Trane CVHE, CVHF, CVHG, CVRB, CVRC User guide

Information
Manual

Clear Language Display

Water-Cooled, Hermetic CenTraVac®
Clear Language Display for UCP2 and
FastPak™ Control Panels

Models
CVHE, CVHF, CVHG, CVRB, CVRC
50 and 60 Hz

Cooling-Only and Heat Recovery, Direct-Drive CenTraVacs
with UCP2 Control panels

X39470756-02

CVHE-CLD-1A

February 2000

Contents

General .................................................................. 1

Literature Change History ................................... 1

About This Manual .............................................. 1

LCD Display ........................................................ 1

Keypad ................................................................ 1

LED Alarm ........................................................... 1

Local Clear Language ......................................... 1

Control System ..................................................... 2

Unit Control Panel ............................................... 2

Custom Report ...................................................... 3

Custom Report Group ......................................... 3

ASHRAE Guideline 3 Report ................................ 4

Chiller Report ...................................................... 10

Chiller Operating Mode ..................................... 10

Chiller Operating Mode ..................................... 12

Active Chilled Water Setpoint/Evap Leaving

Water Temp ..................................................... 12

Active Chilled Water Setpoint/Chilled Water Set-

point Source ..................................................... 12

Active Ice Termination Setpoint/Ice Termination

Setpoint Source ............................................... 12

Active Hot Wtr Setpoint/Hot Wtr

Setpoint Source ............................................... 12

Evaporator Entering and Leaving

Water Temperatures ........................................ 13

Cond Entering and Leaving Water Temps ........ 13

Active Current Limit Setpoint ............................. 13

Active Current Limit Setpoint/Current Limit

Setpoint Source ............................................... 13

Evaporator Water Flow/ Condenser Water Flow 13

Chiller Tons ....................................................... 13

Outdoor Temperature ........................................ 13

Aux. Bundle or Heat Recovery Temps .............. 13

Chilled Water Setpoint Source .......................... 13

Current Limit Setpoint Source ........................... 14

Hot Water Setpoint Source ................................ 14

Ice Termination Setpoint Source ....................... 14

Refrigerant Report ............................................. 15

Report Heading ................................................ 15

Evaporator and Condenser Refrigerant

Pressure .......................................................... 15

Saturated Evap Temperature/Evap Refrigerant

Pressure .......................................................... 15

Saturated Cond Temperature/Cond

Refrigerant Press ............................................ 15

Saturated Evap Temp. and Discharge Temp. .. 15

Purge Operating Mode/Purge Status ............... 15

Purge Alarm Message ...................................... 15

Purge Suction Temp/Purge Liquid Temp. ........ 16

Purge Pumpout Rate/Purge Max Pumpout Rate 16
Purge Total Pumpout Time/ Purge Total Run

Time ................................................................ 16

Purge Adaptive Cycle Time w/Chlr On/Time to

Purge Remaining ............................................ 16

Purge Adaptive Cycle Time w/Chlr Off/Time to

Purge Remaining ............................................ 16

Purge Service Log ............................................ 16

Pumpout Avg, Last 30 Days ............................. 16

Refrigerant Monitor ........................................... 17

Approach Temperature ..................................... 17

Compressor Report ........................................... 18

Report Heading ................................................ 18

Differential Oil Pressure, Oil Temperature ........ 18

Discharge Oil Pressure, Oil Tank Pressure ...... 18

AF Compressor Speed Command ................... 18

AF Boundary Pressure Coefficient/AF Press.

Coefficient ....................................................... 18

AF Re-Optimization Timer Time Remaining ..... 18

Inlet Guide Vane Position ................................. 18

Compressor Phase Currents % RLA ................ 19

Compressor Line Currents Amps ..................... 19

Compressor Line Voltages ............................... 19

Compressor Power Factor and Watts .............. 19

Compressor Winding Temperatures ................. 19

Compressor Starts and Running Time ............. 19

Bearing Temperatures #1 and #2 ..................... 19

Solid State Starter Heat Sink Temp. ................. 19

HGBP Time ...................................................... 19

Operator Settings ............................................... 20

Settings Group Keys ......................................... 20

Operator Settings Group Heading .................... 20

Set Contrast - Applies to

CCCLD Display Only. ...................................... 20

Information Manual ii

Purge Operating Mode ..................................... 20

Time Of Day Setting ......................................... 21

Front Panel Chilled Water Setpoint .................. 21

Front Panel Hot Water Setpoint ........................ 22

Front Panel Current Limit Setpoint ................... 22

Print Report ....................................................... 22

Control Type ..................................................... 22

Free Cooling ..................................................... 22

Chilled Water Reset Type ................................. 22

Reset Ratio ....................................................... 23

Start Reset Setpoint .......................................... 23

Maximum Reset Setpoint .................................. 23

Ice Building Enable ........................................... 23

Front Panel Ice Termination Setpoint ............... 23

Ice Making To Normal Cooling Transition Timer 23

Chilled Water Setpoint Source .......................... 24

Current Limit Setpoint Source ........................... 24

Hot Water Setpoint Source ............................... 24

Ice Termination Setpoint Source ...................... 24

Outdoor Air Temperature Source ..................... 24

Setpoint Source Override ................................. 24

Service Settings (Non Password Protected Ser-

vice Settings Group) .......................................... 25

Service Setting Group Heading ........................ 25

Menu Settings Password .................................. 25

Keypad/Display Lockout ................................... 26

Language Setting .............................................. 27

Display Units ..................................................... 27

Decimal Places Displayed Setpoint .................. 27

Display Menu Headings Enable ........................ 27

Clear Custom Menu .......................................... 27

Differential to Start Setpoint .............................. 27

Differential to Stop Setpoint .............................. 27

Evap/Cond Pump Off Delay Time ..................... 28

Printer Setups ................................................... 28

Clear Restart Inhibit Timer ................................ 29

Field Start-up ...................................................... 30

Field Startup ..................................................... 30

Field Start-up Group Heading ........................... 30

Keypad/Display Lock Feature Enable ............... 30

Menu Settings Password Enable ...................... 30

ICS Address ...................................................... 31

Power Up Start Delay Time .............................. 31

Design Delta Temperature Setpoint ................. 31

Leaving Water Temperature Cutout Setpoint ... 31
Low Refrigerant Temperature Cutout Setpoint . 31

Condenser Limit Setpoint ................................. 31

Maximum Restart Inhibit (RI) Timer Setting ...... 31

Purge Control/Type ........................................... 32

Purge Service Log Reset .................................. 32

Purge Maximum Pumpout Rate ........................ 32

Purge Service Excessive Pumpout

Override Timer ................................................ 32

Purge Low Chiller Sat. Cond. Liquid Temp. Protec-

tion Enable ...................................................... 32

Purge Low Chiller Sat. Cond. Temp Setpoint ... 32

Surge Protection Enable ................................... 32

Under/Over Voltage Protection Enable ............. 32

Phase Reversal Protection Enable ................... 33

Phase Unbalance Limit Enable ......................... 33

Momentary Power Loss (MPL)

Protection Enable ............................................ 33

Enhanced Oil Temp. Protection ........................ 33

Oil Temp Setpoint ............................................. 33

Low Oil Temp Cutout ........................................ 34

Low Oil Temp Start Inhibit Differential .............. 34

High Discharge Temp Cutout ............................ 34

External Base Loading Enable .......................... 34

Soft Load Control Enable .................................. 34

Soft Load Starting Current Limit ........................ 34

Soft Load Current Limit Rate Of Change .......... 34

Soft Load Lvng Wtr Temp Rate of Change ....... 34

Hot Gas Bypass Enable .................................... 34

HGBP Timer Enable ......................................... 35

Maximum HGBP Time ...................................... 35

HGBP Mode, Vane Target ................................ 35

LWT Control Integral Gain (Ki) Setpt ................ 35

LWT Control Derivative Gain (Kd) Setpt ........... 35

IGV Maximum Travel Setpt ............................... 35

Guide Vane Closed Travel Stop ....................... 35

AF Adjustable Speed Control Algorithm Enable 36

AF Leaving Water Standard Deviation .............. 36

AF Pressure Coefficient Constant ..................... 36

AF Re-Optimization Factor ............................... 36

AF Re-Optimization Timer ................................ 36

AF Boundary Pressure Coefficient Y Intercept . 36
AF Boundary Pressure Coefficient Y

Intercept Max ................................................... 37

AF Pressure Error Deadband ........................... 37

AF Proportional Speed Gain ............................. 37

Minimum Capacity Timer Enable ...................... 37

Time Permitted at Minimum Capacity ............... 37

Evaporator Flow Coefficient .............................. 37

Evaporator Flow Equation Exponent ................ 37

Evaporator Fluid Coefficient .............................. 38

Condenser Flow Coefficient .............................. 38

Condenser Flow Equation Exponent ................ 38

Local Atmospheric Pressure ............................. 38

Refrigerant Pressure Analog Output Option ..... 38

Min Delta Pressure Calibration ......................... 38

Max Delta Pressure Calibration ........................ 38

IGV Stroke Time ............................................... 39

Low Differential Oil Pressure Cutout ................. 39

Check Oil Filter Diagnostic ................................ 39

Check Oil Filter Setpoint ................................... 39

Evap Leaving Water Temp Offset ..................... 39

Saturated Evap Rfgt Temp Offset ..................... 39

iii

Water Pressure Calibration ............................... 39

Refrigerant Monitor Settings Group ................. 49

Machine Configuration ....................................... 40

Service Settings - Machine Configuration ......... 40

Machine Configuration Group Heading ............. 40

Unit Frequency .................................................. 40

Unit Type ........................................................... 40

Nominal Unit Tons ............................................ 40

Refrigerant Type ................................................ 40

Refrigerant Monitor Type ................................... 40

Starter Type ....................................................... 41

Startup Contactor Test - Y-D Starters Only ....... 41

Rated Load Amps .............................................. 41

Motor Heating Constant .................................... 41

Current Overload Setting #1 .............................. 41

Current Overload Setting #2 .............................. 41

Procedure For Selecting Current Overload Settings

for UCP2 .......................................................... 41

Maximum Acceleration Timer #1 ....................... 44

Maximum Acceleration Timer #2 ....................... 44

Hot Water Control Option .................................. 44

Heatsink Start Inhibit Temperature Setpoint

(FastPak) ......................................................... 44

External Chilled Water Setpoint Option ............. 45

External Current Limit Setpoint Option .............. 45

External Hot Water Setpoint Option .................. 45

Acceleration Time Out Action ............................ 45

Motor Over Temperature Protection .................. 45

Motor Winding RTD Type .................................. 45

High Pressure Cutout Setting ............................ 45

Line Voltage Sensing Option ............................. 45

Unit Line Voltage ............................................... 45

Auxiliary Condenser Option ............................... 46

Heat Recovery Option ....................................... 46

Hot Gas Bypass Option ..................................... 46

Free Cooling Option .......................................... 46

Condenser Pressure Sensor Option ................. 46

Bearing Temperature Sensors Option ............... 46

Discharge Temperature Sensor Option ............ 46

Ice Building Option ............................................ 46

Differential Water Press Sensing Option ........... 46

External Analog Input Type Selection,

4-20 ma/2-10 VDC ........................................... 47

Tracer Option .................................................... 47

TCI Option ......................................................... 47

Printer Option .................................................... 47

Duplex Control Module (DCM) Option ............... 47

IGV Output Type ............................................... 47

Oil Pressure Protection .................................... 47

Programmable Analog Output ........................... 47

Programmable Relay Outputs ........................... 48

Current Transducer Setpoint ............................. 48

Current Transducer at 100% RLA ..................... 48

Compressor Power Source ............................... 48

Refrigerant Monitor Settings Group Heading ... 49

Alarm Level 1 .................................................... 49

Alarm Level 2 .................................................... 49

Alarm Level 3 .................................................... 49

Refrigerant Audible Alarm ................................ 49

Trouble Audible Alarm ...................................... 49

Alarm 1 Latching Status ................................... 49

Alarm 2 Latching Status ................................... 49

Alarm 3 Latching Status ................................... 50

Channel Scanner .............................................. 50

Scanner Channel 1 ........................................... 50

Scanner Channel 2 ........................................... 50

Scanner Channel 3 ........................................... 50

Scanner Channel 4 ........................................... 50

Scanner Dwell Threshold ................................. 50

Auxiliary Input ................................................... 50

Auxiliary Input Alarm ......................................... 50

Analog Output Range ....................................... 50

Refrigerant Monitor Calibration ........................ 51

Refrigerant Monitor Settings Group Heading ... 51

Refrigerant Monitor Mode ................................. 51

Refrigerant Zero Calibration ............................. 51

Refrigerant Span Calibration ............................ 52

Service Tests Group .......................................... 54

Service Tools Group Password Request .......... 54

Service Tools Group Heading .......................... 55

Chilled Water Pump .......................................... 55

Chilled Water Flow Switch Status ..................... 55

Evaporator Differential Water Pressure ............ 55

Evaporator Entering/Leaving Water Pressure .. 55

Condenser Water Pump ................................... 55

Condenser Water Flow Switch Status .............. 55

Condenser Differential Water Pressure ............ 55

Condenser Entering/Leaving Water Pressure .. 55

Starter Dry Run ................................................. 56

Oil Pump Status ................................................ 56

Vane Control Status/Vane Position Commands 56

Vane Position ................................................... 56

HGBP Valve Control Status/Manual Open and

Close Commands ............................................ 56

HGBP Valve Manual Opening/Closing

Duty Cycle ....................................................... 57

Vane Control Status/Manual Load and Unload

Commands ...................................................... 57

Manual Loading/Unloading Duty Cycle ............ 57

AF Manual Speed Control - CVHE/F/G Only .... 57

AF Compressor Speed Command - CVHE/F/G

Only ................................................................. 57

AF Compressor Speed Command - CVHE/F/G

Only ................................................................. 58

Information Manual iv

AF Boundary Pressure Coefficient/AF Pressure Co-

efficient - CVHE/F/G Only ............................... 58

AF Re-Optimization Timer Time Remaining- CVHE/

F/G Only .......................................................... 58

Module Software Revision Levels ..................... 58

Diagnostics Menu .............................................. 59

Diagnostics Group Heading .............................. 59

Menu Settings Password .................................. 59

Diagnostics and Annunciation .......................... 60

Clearing Diagnostics ......................................... 60

New Diagnostic Display .................................... 61

Diagnostics ....................................................... 62

FastPak™ “Settings Group” Menu Record ..... 81

Operator Settings Group: .................................. 81

FastPak™ “Settings Group” Menu Record ..... 82

Service Settings Group: Basic Setups .............. 82

FastPak™ “Settings Group” Menu Record ..... 83

Field Startup Group: ......................................... 83

FastPak™ “Settings Group” Menu Record ..... 85

Machine Configuration Group: .......................... 85

FastPak™ “Settings Group” Menu Record ..... 86

Machine Configuration Group: .......................... 86

FastPak™ “Settings Group” Menu Record ..... 87

Refrigerant Monitor Settings Group: ................. 87

FastPak™ “Settings Group” Menu Record ..... 88

Service Tests Group: ........................................ 88

v

General

General

Literature Change History

CVHE-CLD-1 (February 1995)

Application of the Clear Language Display to the
UCP2 Centravac

CVHE-CLD-1A (February 2000)

Updated information and incorporated FastPak™
items.

About This Manual

This manual describes the application of the Clear
Language Display (CLD) to the UCP2 Centravac. It
describes its use as a machine-mounted human
interface.

A description of the UCP2 reports and message
displays are provided along with additional “Help
Notes” to clarify the display messages. In addition, a
Diagnostics section is also included.

LCD Display

The display on the Clear Language Display is a 2­line by 40-character liquid crystal display (LCD).
Upper and lower case alphabetic characters can be
displayed, along with numeric and special
characters.

LED Alarm

In addition to the alpha-numeric LCD display, there's
a single discrete LED on the human interface. The
red LED flashes on-off whenever a latching
diagnostic is present and a manual reset is required
to restore full unit operation. The LED is also used to
indicate that a function or control has been set to
manual from within the Service Test Menu. If a
control has been set to manual, the LED is on and
non-flashing. A diagnostic supersedes a manual
operation. As a result, the unit could have a manual
mode set and be in a latching diagnostic. In this case
the LED would flash on-off. The LED is off otherwise.

Figure 1
Keypad Matrix

CUSTOM

REPORT

OPERATOR

SETTINGS

Previous + Enter Auto

CHILLER
REPORT

SERVICE

SETTINGS

REFRIGERANT

REPORT REPORT

SERVICE

TESTS

COMPRESSOR

DIAGNOSTICS

LCD Backlight

The LCD display has an LED backlight so it can be
read in low light conditions.

Next

-

Cancel Stop

Keypad

A sealed dirt-proof keypad is used on the unit mount
Clear Language Display. Metal dome switch
actuators respond when any key is pressed. See
Figure 1 .

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

Information Manual 1

Local Clear Language

The Local CLD “Clear Language Display” resides at
the Chiller providing display of chiller data and
access to operator/service controls, setpoints, and
chiller set-up information. All information is stored in
non-volatile memory in the Chiller module. The Local
CLD and the Chiller module work together to display
and store information requiring non-volatility.

Control System

Control System

Unit Control Panel

Safety and operating controls are housed in the
UCP2 unit control panel, the starter panel, and the
purge control panel.

The UCP2 control is a modular design partitioned by
major function or group of functions. All modules (see
Figure 2 ) communicate with each other through the
Interprocessor Communication Circuit (IPC).

Figure 2
UCP2 Control Panel

I/O Module

Major components within each control group are
shown in the figure.

Unit-mounted temperature sensors, pressure
transducers, and functional switches provide analog
and binary inputs to the various modules.

The microcomputer-based modules are illustrated in
the figure. All wiring to the modules are to pluggable
terminal blocks.

Stepper Mod

Options Mod

Chiller Mod

Circuit Mod

2 CVHE-CLD-1A

Custom Report

Custom Report Group

Reports are added to the custom report group by
pressing the <+> key when the desired report is
being displayed from its normal report location.
Reports are removed from the custom report group
by pressing the <-> key when the desired custom
report is being displayed. The Custom report group
can contain a maximum of 20 reports. When adding
a report to the Custom Report, if the <+> key is
pressed when the Custom Report already contains
20 reports, a message, “Custom Report Is Full,
Report Not Added,” indicating that the Custom
Report is full, will be displayed for 2 seconds. If an
attempt is made to add a report to the Custom Report
that is already in the Custom Report, a message,
“Report Already In Custom Menu”, will be displayed
for 2 seconds.

Custom Report

The Custom Report sequence is as follows:

Report Heading

User Defined Custom Report

Press (Next)(Previous) To Continue

If no entries are selected for the Custom Report, see
Empty List Display.

Empty Display List

If no entries are selected for the Custom Report, the
second entry is:

No Items Are Selected For Custom Report:

See Operators Manual To Select Entries

The report then wraps around to the report heading
when <Next> is pressed.

If there are items selected for the Custom Report,
then the empty list display is not used. Instead, the
report heading and the selected items are displayed
sequentially as <Next> or <Previous> are pressed.

Information Manual 3

ASHRAE Guideline 3 Report

ASHRAE Guideline 3 Report

Press (Enter) For ASHRAE Guideline 3 Rpt

Press (Next)(Previous) To Continue

If <Enter> is pressed the ASHRAE Guideline 3
Report Menu is entered, shown at the end of the
Standard Report below. Otherwise, If <Next> is
pressed the Standard Report is entered. The
ASHRAE Guideline 3 Report Entry screen may be
added to Custom Report by pressing the <+> key.
Adding it to the Custom Report allows the user to
access the ASHRAE Guideline 3 Report from the
Custom Menu.

The following are the Standard Report screens, e.g.
not part of the ASHRAE Guideline 3 Report.

ASHRAE Guideline 3 Reports

ASHRAE Guideline 3 Report

Press (Next)(Previous) To Continue

Time Of Day/Refrigerant Type

Current Time/Date HH:MM xm Mon,XX XXXX

Refrigerant Type: [type]

Possible values for refrigerant type are: R11, R123,
R12, R134a, R22, R113, R114, R500, or R502.

Chiller Operating Mode

The chiller operating modes display comes up first in
the standard report:

[Operating mode line 1]

[Operating mode line 2]

Line 1 (and 2 if needed) indicates a current condition
of the unit as shown in the following table (Table 1) .
In some cases, an associated timer or system
parameter will be displayed that assures the
transition to an expected mode is in progress,
particularly during the unit start-up sequence.

4 CVHE-CLD-1A

Table 1
Operating Modes

ASHRAE Guideline 3 Report

Unit Operation

Stop

Auto

Operating Mode Display*

(First Line/Second Line)

Resetting

Local Stop: Cannot Be Overridden By

Any External Or Remote Device

Remote Display Stop: Chiller May Be

Set To Auto By Any Ext Or Rmt Device

Remote Run Inhibit

From External Source

Unit Operation

Run

Remote Run Inhibit

From Tracer

Heat Sink Temp Start Inhibit Unit Is Running in Surge Condition

Diagnostic Shutdown Stop Unit Is Running; Capacity Limited By

Diagnostic Shutdown Auto Unit Is Running; Capacity Limited By

Waiting For Evaporator Water Flow

Auto

Auto

Waiting For A Need To Cool

Waiting For Tracer Communications

To Establish Operating Status

Starting Is Inhibited By Staggered Start

Time Remaining: MIN:SEC

Starting Is Inhibited By Restart

Inhibit Timer: Time Remaining MIN:SEC

Auto

Operating Mode Display*

(First Line/Second Line)

Unit Is Running

Capacity Limited By Phase Unbalance

Unit Is Running

Capacity Limited By High Cond Press

Unit Is Running

Capacity Limited By Low Evap Temp

Unit is Running

Capacity Limited By Vane Open Travel

Stop

Unit Is Running

Minimum Capacity Due To Vane Closed

Travel Stop

Pulldown Rate Based Soft Loading

Current Based Soft Loading

Auto

Waiting For Condenser Water Flow

Establishing Evap Water Flow

Establishing Oil Pressure

Establishing Evap Water Flow

Prelubrication Time: MIN:SEC

Evap Water Is Flowing

Prelubrication Time: MIN:SEC

Evap Water Is Flowing

Performing IGV BPI Search & Calibration

Establishing Cond Water Flow

Establishing Oil Pressure

Establishing Cond Water Flow

Prelubrication Time: MIN:SEC

Cond Water Is Flowing

Prelubrication Time: MIN:SEC

Initialize

Start

Run

Information Manual 5

Cond Water Is Flowing

Establishing Oil Pressure

Cond Water Is Flowing

Performing IGV BPI Search and

Calibration

Cond Water Is Flowing

PreStart Unload Time Remaining:

MIN:SEC

Starting Compressor Unit is Running; Base Loaded

Unit Is Running Unit is Running; Base Loaded

Unit Is Running

Capacity Limited By High Current

Run

Establishing Evap Water Flow

Performing IGV BPI Search & Calibration

Unit is Running; Base Loaded

Unit is Running; Base Loaded

Capacity Limited By High Current

Unit is Running; Base Loaded

Capacity Limited By Phase Unbalance

Unit Is Running; Base Loaded

Capacity Limited By High Cond Press

Unit Is Running; Base Loaded

Capacity Limited By Low Evap Temp

At Vane Open Travel Stop

At Vane Closed Travel Stop

Unit is Running; Base Loaded

In Surge Condition

ASHRAE Guideline 3 Report

Operating Mode Display*

Unit Operation

Run

Run-Unload

Run-Ice Build

* Displays are not in any sequence. Some displays will never appear, depending on options and situation

Active Chilled Water Setpoint/Chilled Water
Setpoint Source

Active Chilled Water Setpoint: xxx.x f/c

[settings source] CWS: xxx.x f/c

(First Line/Second Line)

Unit Is Running; Base Loaded

Current Based Soft Loading

Unit Is Running In Minimum Capacity Unit Is Building Ice

Unit Is Running In Minimum Capacity

Time Remaining: MIN:SEC

Unit Is Preparing To Shutdown Ice Building Is Complete

Unit Is Building Ice

Capacity Limited By Vane Open Travel

Stop

Unit Is Building Ice

Unit Is Building Ice

Capacity Limited By High Current

Unit Is Building Ice

Capacity Limited By Phase Unbalance

Unit Operation

Run-Ice Build

Post-Lube

Stop

Active Current Limit Setpt/Current Limit Setpt
Source

Active Current Limit Setpoint: xxx %

[settings source] CLS: xxx %

Operating Mode Display*

(First Line/Second Line)

Capacity Limited By High Cond Press

Capacity Limited By Low Evap Temp

Surge Has Been Detected

Unit Is Running; Transitioning Ice Building

To Normal MIN:SEC

Time Remaining: MIN:SEC

Unit Is Building Ice

Unit Is Building Ice

Post Lubrication

Panic Stop

Starter Dry Run

Settings source will be one of the following: Front
Panel, Tracer, or External Source.

Settings source will be one of the following: Front
Panel, Tracer, External Source, or Ice Building.

Refrigerant Monitor

The following item will be displayed if the Analog Rfgt
Monitor is installed.

Refrigerant Monitor: xxx.x PPM

Press (Next)(Previous) To Continue

The following item will be displayed if the IPC Rfgt
Monitor option is installed.

Refrigerant Monitor: xxxx PPM R-YYYY

Press (Next)(Previous) To Continue

Where (Y) can equal 123, 11, 22, 134a, or 12.

Purge Pumpout Rate/Purge Max Pumpout Rate

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Pumpout Rate: xxx.x Min/24Hrs

Purge Max Pumpout Rate: xxx.x Min/24Hrs

6 CVHE-CLD-1A

ASHRAE Guideline 3 Report

Purge Total Pumpout Time/ Purge Total Run
Time

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Total Pumpout Time: xx,xxx.x Min

Purge Total Run Time: xx,xxx.x Hrs

Purge Operating Mode/Purge Status

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Operating Mode: [Mode]

Purge Status: [Status]

Possible values of [Mode] are: Auto, Stop, On, or
Adaptive.

Possible values of [Status] are:

Idle (Condensing Unit is Off)

Running (Condensing Unit is On)

Pumpout (Temperature initiated

Service Pumpout (Pumpout initiated by the

Running - Pumpout Inhibited
By Low Temp.

Pumpout Maximum Rate
Disabled

Pumpout)

service switch)

(Pumpout inhibited by low
liquid temp)

(Max. Pumpout Rate alarm
disabled)

Saturated Evap Temperature/Evap Refrigerant
Pressure Compressor Discharge Temp

Compressor Discharge Temperature shown only if
discharge temperature is installed.

Discharge Oil Pressure, Oil Tank Pressure

This screen is only displayed if the “Oil Pressure
Protection” setpoint is set to “Transducer” or “Xducer
& Switch.”

Discharge Oil Pressure: xxx.x psig

Oil Tank Pressure: xxx.x psig

Differential Oil Pressure, Oil Temperature

This screen is only displayed if the “Oil Pressure
Protection” setpoint is set to “Transducer” or “Xducer
& Switch.”

Differential Oil Pressure: xxx.x [units]

Oil Tank Temperature: xxx.x f/c

' Differential Oil Pressure: xxx.x [units]' is only
displayed if the “Oil Pressure Protection” setpoint is
set to “Transducer” or “Xducer & Switch.” If 'Switch' is
selected as the setpoint, then ' Differential Oil
Pressure Switch: [Status]' is displayed where
Status is open or closed.

For FastPak, Differential Oil Pressure: xxx.x [units],
this screen is only displayed if the “Oil Pressure
Protection Setpoint” is set to “Diff Xducer" If 'Switch'
is selected as the setpoint, then ' Differential Oil
Pressure Switch: [Status]' is displayed where
Status is open or closed.

The Possible value for [units] is “psid” or “kPa”
dependent upon whether English or SI units are
selected.

Bearing Temperatures #1 and #2

The following will be displayed only if the Bearing
Temp Sensors Option is Installed.

Saturated Evap Rfgt Temp: xxx.x f/c

Compressor Discharge Temp: xxx.x f/c

Bearing Temperature 1: xxx.x f/c

Bearing Temperature 2: xxx.x f/c

Compressor Starts and Running Time

The starts and hours counters are displayed as
follows:

Compressor Starts: xxxxx

Compressor Running Time: HRS:MIN:SEC

Information Manual 7

Evaporator Entering and Leaving Water
Temperatures

Evap Entering Water Temp: xxx.x f/c

Evap Leaving Water Temp: xxx.x f/c

ASHRAE Guideline 3 Report

Saturated Evap Temperature/Evap Refrigerant
Pressure

Saturated Evap Rfgt Temp: xxx.x f/c

Evap Rfgt Pressure: xxx.x psig

Evaporator Approach Temp.

Evaporator Approach Temp.: xx.x f/c

Press (Next)(Previous) To Continue

Evaporator Entering/Leaving Water Pressure

The following will be displayed only if the low
pressure (< or = to 150 psig) Differential Water
Pressure Sensor Option is Installed.

Evap Entering Water Pressure:xx.x psid/kPa

Evap Leaving Water Pressure: xx.x psid/kPa

Evaporator Differential Water Pressure

The following will be displayed only if the Differential
Water Pressure Sensor Option is Installed.

Chiller Tons

The following will be displayed only if the Differential
Water Sensing Option is installed.

Approximate Chiller Capacity: xxxx Tons/KW

Press (Next)(Previous) To Continue

The possible values for units are “Tons” or “KW.”

Cond Entering and Leaving Water Temps

Dashes will be displayed for condenser entering or
leaving water temperature if the corresponding input
is open or shorted.

Cond Entering Water Temp: xxx.x f/c

Cond Leaving Water Temp: xxx.x f/c

Saturated Cond Temperature/Cond Refrigerant
Press

Saturated Cond Temp: xxx.x f/c

Cond Rfgt Pressure: xxx.x psig

Evap Differential Wtr Press: xx.x psid/kPa

Press (Next)(Previous) To Continue

Evaporator Water Flow

The following is displayed only if the Differential
Water Sensing Option is installed.

Approx Evaporator Water Flow:xxx.x gpm/lpm

Press (Next)(Previous) To Continue

The possible values for units are “gpm” or “lpm.”

Chilled Water Flow Switch Status

The following will be displayed only if the Differential
Water Sensing Option is not installed. This screen
displays the status of the chilled water flow switch
status at the input to the UCM.

Chilled Water Flow Switch Status:

[y]

Condenser Approach Temp.

Condenser Approach Temp.: xx.x f/c

Press (Next)(Previous) To Continue

Condenser Entering/Leaving Water Pressure

The following will be displayed only if the low
pressure (< or = to 150 psig) Differential Water
Pressure Sensor Option is Installed.

Cond Entering Water Pressure:xx.x psid/kPa

Cond Leaving Water Pressure: xx.x psid/kPa

Condenser Differential Water Pressure

The following will be displayed only if the Differential
Water Pressure Sensor Option is Installed.

Cond Differential Wtr Press: xx.x psid/kPa

Press (Next)(Previous) To Continue

Possible values for [y] are: Flow Switch is Open/No
Flow or Flow Switch is Closed/Flow.

8 CVHE-CLD-1A

Condenser Water Flow

The following will be displayed only if the Differential
Water Sensing Option is installed.

Approx Condenser Water Flow: xxx.x gpm/lpm

Press (Next)(Previous) To Continue

The possible values for units are “gpm” or “lpm.”

Condenser Water Flow Switch Status

The following screen is displayed only if the
Differential Water Pressure Sensor Option is not
Installed. This screen displays the status of the
condenser water flow switch status at the input to the
UCM.

Condenser Water Flow Switch Status:

[y]

ASHRAE Guideline 3 Report

Possible values for [y] are Flow Switch is Open/No
Flow or Flow Switch is Closed/Flow

Aux. Bundle or Heat Recovery Temps

The following will be displayed only if either the Heat
Recovery Option or Aux Condenser Option is
installed.

Aux/Heat Rcvy Ent Wtr Temp: xxx.x f/c

Aux/Heat Rcvy Lvg Wtr Temp: xxx.x f/c

Information Manual 9

Chiller Report

Chiller Report

The Chiller Report sequence is as follows:

Chiller Status, Water Temps & Setpts

Press (Next)(Previous) To Continue

Chiller Operating Mode

Friendly mode line 1

Friendly Mode (First Line/second Line)

Display is Blank

Resetting

Local Stop: Cannot Be Overridden By

Any External Or Remote Device

Remote Display Stop: Chiller May Be

Set To Auto By Any Ext Or Rmt Device

Remote Run Inhibit From Remote Computer

Remote Run Inhibit From External Source

Remote Run Inhibit From Tracer

Run Inhibit From DCM

Heat Sink Temperature Start Inhibit

Diagnostic Shutdown Stop
Diagnostic Shutdown Auto

Waiting For Evaporator Water Flow

Waiting For A Need To Cool

Waiting For A Need To Heat

Waiting For Tracer Communications

To Establish Operating Status

Starting Is Inhibited By Staggered Start

Time Remaining: MIN:SEC

Transitioning To Free Cooling

Waiting For Cond Water Flow
Opening Free Cooling Valves

Cond Water Is Flowing

Closing Free Cooling Valves

Unit Running; Last Mode Free Cooling Limit

Time Remaining To End Of Limit: MIN:SEC

Transitioning To Free Cooling

Waiting For IGV Positioning To Complete

Unit Is Free Cooling

Starting Is Inhibited By Restart

Inhibit Timer: Time Remaining MIN:SEC

Establishing Cond Water Flow

Establishing Oil Pressure

Establishing Cond Water Flow

PreLubrication Time: MIN:SEC

Cond Water Is Flowing

Establishing Oil Pressure

Unit Is Running

Friendly mode line 2

Friendly mode line 1 is indicative of a unit mode.
Friendly mode line 2 is usually a verbal continuation
of line 1 and can be viewed as a continuous
message along with line 1. In some cases Friendly
mode line 2 is the display of an associated timer or
system parameter.

[Friendly mode] will be one of the following:

Auto

Auto

Auto

Starting

10 CVHE-CLD-1A

Unit Is Running

Capacity Limited By High Current

Unit Is Running

Capacity Limited By Phase Unbalance

Unit Is Running

Capacity Limited By High Cond Press

Unit Is Running

Capacity Limited By Low Evap Temp

Unit Is Running; Capacity Limited By

Vane Open Travel Stop

Unit is Running; Minimum Capacity

Due To Vane Closed Travel Stop

Unit Is Running In Surge Condition

Unit Is Running; Capacity Limited By

Pulldown Rate Based Soft Loading

Unit Is Running; Capacity Limited By

Current Based Soft Loading
Unit Is Running; Hot Water Control
Unit Is Running; Hot Water Control

Capacity Limited By High Current

Unit Is Running; Hot Water Control

Capacity Limited By Phase Unbalance

Unit Is Running; Hot Water Control

Capacity Limited By High Cond Press

Unit Is Running; Hot Water Control

Capacity Limited By Low Evap Temp

Unit Is Running; Hot Water Control

At Vane Open Travel Stop

Unit is Running; Hot Water Control

At Vane Closed Travel Stop
Unit Is Running; Hot Water Control

In Surge Condition

Unit Is Running; Hot Water Control

Pulldown Rate Based Soft Loading

Unit Is Running; Hot Water Control

Current Based Soft Loading

Unit is Running; Base Loaded
Unit is Running; Base Loaded

Capacity Limited By High Current

Unit is Running; Base Loaded

Capacity Limited By Phase Unbalance

Unit Is Running; Base Loaded

Capacity Limited By High Cond Press

Unit Is Running; Base Loaded

Capacity Limited By Low Evap Temp

Unit Is Running; Base Loaded

At Vane Open Travel Stop

Unit is Running; Base Loaded

At Vane Closed Travel Stop

Unit Is Running; Base Loaded

In Surge Condition

Unit Is Running; Base Loaded

Pulldown Rate Based Soft Loading

Unit Is Running; Base Loaded

Current Based Soft Loading

Chiller Report

Unit Is Running In Hot Gas Bypass

Unit Is Running In Minimum Capacity

Time Remaining: HR:MIN:SEC

Unit Is Preparing To Shutdown

Information Manual 11

Chiller Report

Chiller Operating Mode

The chiller operating modes display comes up first in
the standard report:

[Operating mode line 1]

[Operating mode line 2]

Line 1 (and 2 if needed) indicates a current condition
of the unit as shown in the preceding table (Table 1) .
In some cases, an associated timer or system
parameter will be displayed that assures the
transition to an expected mode is in progress,
particularly during the unit start-up sequence.

Active Chilled Water Setpoint/Evap
Leaving Water Temp

Active Chilled Water Setpoint:xxx.x f/c

Evap Leaving Water Temp: xxx.x f/c

If the chiller is in the Ice Making or Ice Making
Complete state, the following display is substituted
for the above display:

Active Ice Termination Setpoint/Ice
Termination Setpoint Source

The following will be displayed only if the Ice Building
Option is installed.

Active Ice Termination Setpoint: xxx.x f/c

[settings source] ITS: xxx.x f/c

Settings source will be one of the following: Front
Panel or Tracer.

Active Hot Wtr Setpoint/Hot Wtr Setpoint
Source

The following will be displayed only if the Hot Water
Control Option is Installed.

Active Hot Water Setpoint: xxx.x f/c

[settings source] HWS: xxx.x f/c

Settings source will be one of the following: Front
Panel, Tracer, or External Source.

Active Ice Termination Setpoint: xxx.x f/c

Evap Entering Water Temp: xxx.x f/c

If the chiller is in the hot water control state, the
following display is substituted for the above display:

Active Hot Water Setpoint: xxx.x f/c

Cond Leaving Water Temp: xxx.x f/c

Active Chilled Water Setpoint/Chilled
Water Setpoint Source

Active Chilled Water Setpoint: xxx.x f/c

[settings source]CWS: xxx.x f/c

Settings source will be one of the following: Front
Panel, Tracer, External Source, or Duplex Control.

12 CVHE-CLD-1A

Chiller Report

Evaporator Entering and Leaving Water
Temperatures

Evap Entering Water Temp: xxx.x f/c

Evap Leaving Water Temp: xxx.x f/c

Cond Entering and Leaving Water Temps

Dashes will be displayed for condenser entering or
leaving water temperature if the corresponding input
is open or shorted.

Cond Entering Water Temp: xxx.x f/c

Cond Leaving Water Temp: xxx.x f/c

Active Current Limit Setpoint

Active Current Limit Setpoint: xxx %

Press (Next)(Previous) To Continue

Chiller Tons

The following will be displayed only if the Differential
Water Sensing Option is installed.

Approximate Chiller Capacity: xxxx Tons/KW

Press (Next)(Previous) To Continue

The possible values for units are “Tons” or “KW.”

Outdoor Temperature

If the outdoor air temperature input is open or
shorted and neither Outdoor Air Reset nor Low
Ambient Lockout is enabled, display “------” in place
of “xxx.x F.” Otherwise the temperature received
from the chiller module is displayed.

Outdoor Air Temperature: xxx.x f/c

Press (Next)(Previous) To Continue

Aux. Bundle or Heat Recovery Temps

Active Current Limit Setpoint/Current
Limit Setpoint Source

Active Current Limit Setpoint: xxx %

[settings source] CLS: xxx %

Settings source will be one of the following: Front
Panel, Tracer, External Source, or Ice Building.

Evaporator Water Flow/ Condenser
Water Flow

The following will be displayed only if the Differential
Water Sensing Option is installed.

Approx Evaporator Water Flow:xxx.x gpm/lpm

Approx Condenser Water Flow: xxx.x gpm/lpm

The possible values for units are “gpm” or “lpm.”

The following will be displayed only if either the Heat
Recovery Option or Aux Condenser Option is
installed.

Aux/Heat Rcvy Ent Wtr Temp: xxx.x f/c

Aux/Heat Rcvy Lvg Wtr Temp: xxx.x f/c

Chilled Water Setpoint Source

Chld Wtr Setpt Source: [settings source]

Reset Condition: [reset condition]

Settings source will be one of the following: Front
Panel, Tracer, or External Source.

Reset condition will be one of the following: None,
Outdoor Temp, or Return Wtr Temp.

Information Manual 13

Chiller Report

Current Limit Setpoint Source

Cur Lim Setpt Source:[settings source]

Press (Next)(Previous) To Continue

Settings source will be one of the following: Front
Panel, Tracer, External Source, or Ice Building.

Hot Water Setpoint Source

The following will be displayed only if Hot Water
Control is Installed.

Hot Water Setpt Source: [settings source]

Press (Next)(Previous) To Continue

Settings source will be one of the following: Front
Panel, Tracer, or External Source.

Ice Termination Setpoint Source

The following will be displayed when/if remote
computer is installed.

Ice Termn Setpt Source: [settings source]

Press (Next)(Previous) To Continue

Settings source will be one of the following: Front
Panel or Tracer.

14 CVHE-CLD-1A

Refrigerant Report

Refrigerant Report

Report Heading

Refrigerant Temp & Pressure Report

Press (Next)(Previous) To Continue

Evaporator and Condenser Refrigerant
Pressure

Evap Rfgt Pressure: xxx.x psig

Cond Rfgt Pressure: xxx.x psig

Saturated Evap Temperature/Evap
Refrigerant Pressure

Saturated Evap Temp: xxx.x f/c

Evap Rfgt Pressure: xxx.x psig

Purge Operating Mode/Purge Status

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Operating Mode: [Mode]

Purge Status: [Status]

Possible values of [Mode] are: Auto, Stop, On, or
Adaptive.

Possible values of [Status] are:

Idle (Condensing Unit is Off)

Running (Condensing Unit is On)

Pumpout (Temperature Initiated

Service Pumpout (Pumpout initiated by service

Running - Pumpout inhibited by
low temp.

Pumpout Maximum Rate
Disabled

pumpout)

switch)

(Pumpout inhibited by low
liquid temp)

(Max. pumpout rate alarm
disabled)

Saturated Cond Temperature/Cond
Refrigerant Press

Saturated Cond Temp: xxx.x f/c

Cond Rfgt Pressure: xxx.x psig

Purge Alarm Message

The following screen(s) is not displayed if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Alarm Msg: [Status]

[Help Message]

Saturated Evap Temp. and Discharge
Temp.

The Discharge Temp will be displayed only if the
Discharge Sensor Option is installed.

Saturated Evap Rfgt Temp: xxx.x f/c

Compressor Discharge Temp: xxx.x f/c

Information Manual 15

Possible values for [Status] are: No Diagnostics
Present (the [Help Message] is: Press (Next)
(Previous) To Continue) or Diagnostic Alarm (the
[Help Message] is: Go to Diag. Menu for Description/
Reset).

Refrigerant Report

Purge Suction Temp/Purge Liquid Temp.

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Suction Temp: xxx.x f/c

Purge Liquid Temp: xxx.x f/c

Purge Pumpout Rate/Purge Max
Pumpout Rate

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Pumpout Rate: xxx.x Min/24Hrs

Purge Max Pumpout Rate: xx.x Min/24Hrs

Purge Total Pumpout Time/ Purge Total
Run Time

Purge Adaptive Cycle Time w/Chlr Off/
Time to Purge Remaining

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Adapt Cycle T w/Chlr Off: xxx.x Hrs

Time To Purge Remaining: xxx.x Hrs

If the mode selected is not Adaptive, then the time in
the bottom line is dashed out.

Purge Service Log

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Service Log: Reset Log In Field Start_Up

Purge Pumpout Time: xxxxxxx.x Pumpout Min

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Total Pumpout Time: xx,xxx.x Min

Purge Total Run Time: xx,xxx.x Hrs

Purge Adaptive Cycle Time w/Chlr On/
Time to Purge Remaining

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Adapt Cycle T w/Chlr On: xxx.x Hrs

Time To Purge Remaining: xxx.x Hrs

If the mode selected is not Adaptive, then the time in
the bottom line is dashed out.

Service Log: Reset Log In Field Start_Up

Time Since Last Rst: xxxx Cal Days

Pumpout Avg, Last 30 Days

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

30 Day Purge Pumpout Avg: xxx.x Min

Chiller Average Run Time: xxx.x Hr/Day

30 Day Pumpout Avg,

Chiller Running: xxx.x Min

Last 5 Cycle Pumpout Avg,Interval From
Shtdn To 3 Hrs After Shtdn: xxx.x Min

30 Day Pumpout Avg, Interval From 3Hrs
After Shtdn To Next Start: xxx.x Min

16 CVHE-CLD-1A

Refrigerant Report

Refrigerant Monitor

The following item is displayed if the Analog
Refrigerant Monitor option is installed.

Refrigerant Monitor: xxx.x PPM

Press (Next)(Previous) To Continue

The following items are displayed if the IPC
Refrigerant Monitor option is installed.

The following screen is displayed if the refrigerant
monitor scanner is installed:

Refrigerant Monitor Mode: [Mode]

Scanner Channel X XXXX PPM [Rfgt Type]

The following screen is displayed if the channel
scanner is not installed:

Refrigerant Monitor Mode: [Mode]

The following is displayed if the IPC Refrigerant
Monitor Auxiliary input option is installed.

Rfgt Mon Auxiliary Input: XX.X mA

Press (Next) (Previous) To Continue

Approach Temperature

Evaporator Approach Temp: XXX.X F

Condenser Approach Temp: XXX.X F

XXXX PPM [Rfgt Type]

Possible values of Mode are: Warmup, Ready,
Monitor Check, Trouble.

If the PPM is out of range low or high “-Err” and
“++++” respectively are displayed. If the
concentration has not been determined, or the
refrigerant monitor is in “Monitor Check” mode, “-----”
is displayed.

The following is displayed if the channel scanner
option is installed.

Last Rfgt Conc Chan1 Chan2 Chan3 Chan4

PPM [Rfgt Type] XXXX XXXX XXXX XXXX

If the PPM is out of range low or high “-Err” and
“++++” respectively are displayed. If a channel is
inactive, “-----” is displayed.

Refrigerant Monitor Case Temp: XXX.X F

Refrigerant Monitor Bench Temp: XXX.X F

Information Manual 17

Compressor Report

Compressor Report

The Compressor Report Group sequence is as
follows.

Report Heading

Compressor Hours, Starts & Amps

Press (Next)(Previous) To Continue

Differential Oil Pressure, Oil Temperature

Differential Oil Pressure: xxx.x [units]

Oil Tank Temperature: xxx.x f/c

The possible value for [units] is “psid” or “kPa”
dependent upon whether English or SI units are
selected.

Discharge Oil Pressure, Oil Tank
Pressure

Discharge Oil Pressure: xxx.x psig

Oil Tank Pressure: xxx.x psig

AF Boundary Pressure Coefficient/AF
Press. Coefficient

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator and Adaptive
Speed Control Algorithm is Enabled.

AF Boundary Press Coefficient: x.xxx

AF Pressure Coefficient: x.xxx

Note: This is a Report only for Troubleshooting
purposes.

AF Re-Optimization Timer Time
Remaining

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator and Adaptive
Speed Control Algorithm is Enabled.

AF Re-Optimization Time Remaining:xx:xxHrs

Press (Next) (Previous) to Continue

Note: This is a Report only for Troubleshooting
purposes.

AF Compressor Speed Command

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator and Adaptive
Speed Control Algorithm is Enabled.

AF Compressor Speed Command: xx Hz

AF Compressor Speed Command: xxxx RPM

Range of values is 2520 to 3600 rpm in increments of
1 rpm. Factory default is 3600 rpm.

18 CVHE-CLD-1A

Inlet Guide Vane Position

This screen does not appear if “Inlet Guide Vane
Output” is set to “Pulsed.”

Inlet Guide Vane Position xxx.x % Open

Inlet Guide Vane Position xx.x degrees

Compressor Report

Compressor Phase Currents % RLA

Compressor Phase Currents - % RLA

A xxxx.x % B xxxx.x % C xxxx.x %

Compressor Line Currents Amps

Compressor Phase Currents - Amps

A xxxx amps B xxxx amps C xxxx amps

Compressor Line Voltages

Compressor Line Voltages

AB xxxx v BC xxxx v CA xxxx v

This data is displayed only if the line voltage sensing
option is installed. if not installed, no screen is
displayed.

Compressor Winding Temperatures

Compressor Winding Temperatures

W1 xxx f/c W2 xxx f/c W3 xxx f/c

Compressor Starts and Running Time

The starts and hours counters are displayed as
follows:

Compressor Starts: xxxxx

Compressor Running Time: HRS:MIN:SEC

Bearing Temperatures #1 and #2

The following will be displayed only if the Bearing
Temp Sensors Option is Installed.

Bearing Temperature 1: xxx.x f/c

Bearing Temperature 2: xxx.x f/c

Compressor Power Factor and Watts

The following is displayed only if the Line Voltage
Sensing Option is Installed AND the starter type is
Not “Adaptive Frequency” or AFD AND Compressor
Power Source is Utility AND External KW is Not
Installed.

Compressor Power Factor: xx %

Compressor KiloWatts: xxxx KW

Solid State Starter Heat Sink Temp.

The following will be displayed only if the Solid State
Starter is installed.

Solid State Starter Heat Sink: xxx.x f/c

Press (Next)(Previous) To Continue

HGBP Time

If HGBP is installed in the unit the following screen is
displayed:

HGBP Time: HRS:MIN:SEC

Press (Next)(Previous) To Continue

Information Manual 19

Operator Settings

Operator Settings

Settings Group Keys

The four settings Group Keys for CVHE/CVHF/
CVHG are as follows:

q Operator Settings - non-password protected

menu items that can be changed by the operator

q Service Settings - menu items that should only

be changed by a qualified service technician

q Service Tests - activate outputs of Chiller (e.g. oil

pump)

q Diagnostics - abnormal operating conditions,

informational warnings, automatic reset, and
manual reset types and other information.

Operator Settings Group Heading

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

The Operator Settings Group sequence follows.

The possible values for status are “Locked” or
“Unlocked”. If the password status is locked, the
password message will be “Enter Password to
Unlock”. The user will then depress (-)(+)(-)(+)(-)(+)
followed by the <Enter> key. The password
keystrokes will be echoed to the screen as a visual
aide. The last six keystrokes represent the current
password, and up to twenty keystrokes can be
entered. An incorrect password, or the twenty-first
keystroke will result in the password message
“Invalid Password”.

If the password status is unlocked, the password
message will be “Press (Enter) to Lock”. Pressing
<Enter> locks the settings in ALL the menus. If the
password is entered to unlock the settings, this
unlocks the settings in ALL menus.

Whenever a password is in use the “Press (+)(-) to
change setting” message will be suppressed on
setpoint screens. Any attempt to change the setting
will result in the message “Setting is Locked”. The
password once entered will remain valid until
canceled.

Set Contrast - Applies to
CCCLD Display Only.

Set Contrast: Press (√) to Save

Press (+)(-) to Change Setting

Chilled Water & Current Limit Setpts

Press (Next)(Previous) To Continue

If the Menu Settings Password feature is Enabled in
the Service Setup Group following each setting
group heading the following is displayed:

Settings In This Menu Are [status]

[password message]

Likewise, if the Menu Settings Password is Disabled
in the Service Setup Group, the above screen will not
appear.

20 CVHE-CLD-1A

Purge Operating Mode

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Operating Mode: [Mode]

Press (+)(-) to Change Setting

Possible values of [Mode] are: Stop, On, Auto
(Factory Default) and Adaptive.

Time Of Day Setting

Operator Settings

Current Time/Date HH:MM xm Mon,XX XXXX

(Enter) to Change : (Next) to Continue

The top level "CurrentTime/Date" will be displayed
when this screen is first selected. Pressing the
<Next> or <Previous> key will go to the next or
previous screen as usual.

If the <Enter> key is selected, five separate screens
can be displayed with which the time may be set. The
“Current Time/Date” will be displayed on line one of
each of these screens. Each of these screens will
change one element of the current time/date. The
second line of each screen will indicate which
element of the current time/date is being changed.

If the first time changing screen is being displayed
and the <Previous> key is pressed, the top level
“Current Time/Date” screen will be displayed and the
<Enter> key will have to be selected to re-enter the
time changing screens. If the fifth time changing
screen is being displayed and the <Next> key is
pressed, the next screen will be displayed. If
<Previous> is selected at this point, the top level
“Current Time/Date” screen will be displayed and the
<Enter> key will have to be selected to re-enter the
time changing screens

To change an element of the current time/date,
select <Enter> from the top level “Current Time/Date”
screen to enter the time changing screens. Hit
<Next> or <Previous> to get to the proper screen.
Press the <+> <-> keys to change the element to it's
proper value and press the <Enter> key to store the
new time/date. A message “Updating Chiller Clock,
Please Wait” is displayed for two seconds after the
<Enter> key is pressed.

The five time changing screens are as follows:

Current Time/Date HH:MM xm Mon XX,XXXX

To Change Month, Press(+)(-) & (Enter)

Current Time/Date HH:MM xm Mon XX,XXXX

To Change Day, Press (+)(-) & (Enter)

Current Time/Date HH:MM xm Mon XX,XXXX

To Change Year, Press (+)(-) & (Enter)

Front Panel Chilled Water Setpoint

Front Panel Chilled Wtr Setpt:xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 0 to 65°F (-17.8 to 18.3°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is

44.0°F (6.7°C).

As shown above, the second line of a setting display
normally says:

“Press (+)(-) to Change Setting”

However, the following is displayed as the second
line of the display if an attempt is made to increment
the setpoint above the end of the setpoint range:

“Top of Range, Press (-) to Change”

The following is displayed as the second line of the

Current Time/Date HH:MM xm Mon XX,XXXX

To Change Hour, Press (+)(-) & (Enter)

display if an attempt is made to decrement the
display below the end of the setpoint range:

“Bottom of Range, Press (+) to Change”

The following is displayed as the second line of the
display if a key other than <+>, <->, <Enter>, or

Current Time/Date HH:MM xm Mon XX,XXXX

To Change Minute,Press (+)(-) &(Enter)

<Cancel> is pressed after <+> or <-> is pressed:

“Press (+)(-)(Enter)(Cancel) to Advance”

The exception to the above message is when the
<Stop> key is pressed. <Stop> is always active.

Information Manual 21

Operator Settings

Other messages are displayed on the second line of
the display for special cases as noted below in
association with the affected setpoint display.

When the Front Panel Chilled Water Setpoint is
within 1.7°F of the Leaving Water Temperature
Cutout Setpoint, the second line of this display will
read:

“Limited by Cutout Setpt, (+) to Change”

Front Panel Hot Water Setpoint

The Front Panel Hot Water Setpoint is only displayed
when the Hot water option is Installed.

Front Panel Hot Wtr Setpt: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 85 to 140°F (37.8 to 60.0°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
130°F (54.4°C).

Front Panel Current Limit Setpoint

Control Type

The following will be displayed only if the Hot Water
Control Option is Installed.

Control Type is: [control]

Press (+)(-) to Change Setting

Possible values of [control] are: Chilled Water
(Factory Default), Hot Water, and Ext. Hot/Chilled
Wtr Input.

Free Cooling

The free cooling enable screen is displayed only if
the free cooling option is installed.

Free Cooling: [Status]

Press (+)(-) to Change Setting

Possible values are: Disable (Factory Default) and
Enable.

Chilled Water Reset Type

Front Panel Current Limit Stpt: xxx %

Press (+)(-) to Change Setting

Range of values is 40 to 100% in increments of 1 %.
Factory Default is 100%.

Print Report

This screen is shown only when the Printer Option is
Installed.

Press (Enter) to Print Report

Press (Next)(Previous) To Continue

When <Enter> is pushed, a 2 second message
appears as shown below and then returns to the
above screen.

The Print Command is Being

Sent to the Printer

Chilled Water Reset Type: [type]

Press (+)(-) to Change Setting

The possible values for [type] are: Disable (Factory
Default), Return, Constant Return, and Outdoor Air.

If either Disable or Constant Return are selected, the
remaining chilled water reset displays are skipped by
the CLD. If either Return or Outdoor Air are selected,
the first word of the remaining chilled water reset
displays will be the type of reset.

Help Notes:

1 When CWR is enabled, the UCM will step to CWS

at a rate of 1°F every five minutes.

2 Constant Return is a short version of Return

CWR; it will reset the leaving chilled water
setpoint to provide a constant entering water
temperature. The reset ratio defaults to 100%,
start rest point to design delta T and max reset
setpoint to design.

3 Chilled water is reset based on either return water

temperature or outdoor air temperature.

4 This screen does not appear when the chiller is

22 CVHE-CLD-1A

Operator Settings

under Duplex Control and it is Compressor B.

Reset Ratio

This is the aggressive value. A higher number is a
quicker response.

[type] Reset Ratio: xxx %

Press (+)(-) to Change Setting

The values for Reset Ratio for each of the reset types
are:

Reset

Reset

Type

Return 10 to

Outdoor 80 to -80% 1% 1% 10%

Ratio

Range

120%

Increment

(Eng.
units)

1% 1% 50%

Increment

(SI)

Default

Value

Start Reset Setpoint

This is the Delta T the unit is trying to maintain.

Press (+)(-) to Change Setting

The values for Maximum Reset for each of the reset
types are:

Maximum

Reset

Type

Return 0 to 20°F

Outdoor 0 to 20°F

Reset

Range

(0.1 to

11.1°C)

(0.1 to

11.1°C)

Increment

(Eng.

units)

1°F 1°C 5°F

1°F 1°C 5°F

Increment

(SI)

Default

Value

(2.8°C)

(2.8°C)

Ice Building Enable

The following will be displayed only if the ice building
option is installed.

Ice Building: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

[type] Start Reset Setpoint: xxx.x F

Press (+)(-) to Change Setting

The values for Start Reset for each of the reset types
are:

Start

Reset

Type

Return 4 to 30°F

Outdoor 50 to

Reset

Range

(2.2 to

16.7°C)

130°F (10
to 54.4°C)

Increment

(Eng.
units)

1°F 1°C 10°F

1°F 1°C 90°F

Increment

(SI)

Default

Value

(5.6°C)

(32.2°C)

Maximum Reset Setpoint

Controllable Maximum Reset value. Allows a reset
“Up” of this value. The chilled water is maintained
between the leaving chilled water setpoint and the
new reset value.

[type] Max Reset Setpoint: xxx.x F

Front Panel Ice Termination Setpoint

The following will be displayed only if ice building
option is installed.

Panel Ice Termination Setpoint:xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 20.0 to 32.0°F (-6.7 to 0.0°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is

27.0°F (-2.8°C).

Ice Making To Normal Cooling Transition
Timer

The following will be displayed only if the ice building
option is installed. This allows for a timed idle/stop
period for (X) minutes when coming out of ice before
going into the cooling mode (timed by Chiller).

Ice-To-Normal Cooling Timer: xx min

Press (+)(-) to Change Setting

Information Manual 23

Operator Settings

Range of values is 0 to 10 min. Factory Default is 5
min.

Chilled Water Setpoint Source

If the Tracer Option is installed, the word “Default”
will appear in front of the setpoint source.

[Default] Chilled Water Setpoint Source:

[source]

Possible values of [source] are: Front Panel (Factory
Default) and External Source (This choice shows up
only if the External Chilled Water Setpoint is Installed
at the Machine Configuration menu.).

Note: There is a Tracer installed screen in the
Machine configuration menu. If Tracer does not
choose to write a setpoint then the “default” setpoint
source is used, e.g. Front Panel.

Current Limit Setpoint Source

If the Tracer Option is installed, the word “Default”
will appear in front of the setpoint source.

Possible values of [source] are: Front Panel (Factory
Default) and External Source (This choice shows up
only if the External Hot Water Setpoint is Installed at
the Machine Configuration menu.)

Note: There is a Tracer installed screen in the
Machine configuration menu. If Tracer does not
choose to write a setpoint then the “default” setpoint
source is used, e.g. Front Panel.

Ice Termination Setpoint Source

The following will be displayed only if the Ice Building
Option is installed.

If the Tracer Option is installed, the word “Default”
will appear in front of the setpoint source.

[Default] Ice Termination Setpoint Source:

[source]

Possible values of [source] are: Front Panel (Factory
Default).

Note: There is a Tracer installed screen in the
Machine configuration menu. If Tracer does not
choose to write a setpoint then the “default” setpoint
source is used, e.g. Front Panel.

[Default] Current Limit Setpoint Source:

[source]

Possible values of [source] are: Front Panel (Factory
Default), and External Source. (This choice shows up
only if the External Current Limit Setpoint is Installed
at the Machine Configuration menu.)

Note: There is a Tracer installed screen in the
Machine configuration menu. If Tracer does not
choose to write a setpoint then the “default” setpoint
source is used, e.g. Front Panel.

Hot Water Setpoint Source

If the Tracer Option is installed, the word “Default”
will appear in front of the setpoint source.

[Default] Hot Water Setpoint Source:

[source]

Outdoor Air Temperature Source

If the Tracer is installed the Tracer Outdoor Air
Temp. is both used and displayed. If no Tracer is
installed the chiller module outdoor air temperature
sensor is used. If no sensor is installed, dashes are
displayed on the display of Outdoor Air Temperature.

Setpoint Source Override

Setpoint Source Override:

[source]

Possible values of [source] are: “None” (Factory
Default), “Use Front Panel Setpoints”, “Override
Tracer, and Use Default Setpoints” (Available only if
Tracer Option installed).

24 CVHE-CLD-1A

Service Settings (Non Password Protected Service Settings Group)

Service Settings (Non Password Protected Service Settings Group)

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

The Service settings menu has three distinct
grouping of items within it. The first group is the non­password protected group that consists of all of the
settings, feature enables, setpoints etc., that are
benign; while they are unlikely to be changed often
by a user or operator, changes in them do not
seriously effect the standard protection or reliability
of the chiller.

The other two groupings are protected, each with a
separate password. These two groups are for
changing parameters and settings regarding field
commissioning and fundamental protection and
control of the chiller subsystems (Field Startup) or for
programming of the UCM as to how the specific
chiller was built in the Factory (Machine
Configuration). Once properly set, the items in these
protected menus should never be changed again
without specific knowledge of the effects of the
changes. In rare instances, certain field problems
may be corrected by making changes in these
protected menus but certain aspects of chiller
reliability may be compromised. The main reason
these are accessible at all, is for field commissioning
and to allow for the field programming of service
replacement UCMs.

Two additional password protected menus are
available in the Service Settings group if the IPC
Refrigerant Monitor is installed. The Refrigerant
Monitor Settings Group and the Refrigerant Monitor
Calibration Group are used to configure the IPC
Refrigerant Monitor.

Service Setting Group Heading

Service Settings: Basic Setups

Press (Next)(Previous) To Continue

Menu Settings Password

If the Menu Settings Password is Enabled in the
Service Setup Group, following each setting group
heading the following will be displayed:

Settings In This Menu Are [status]

[password message]

Likewise, if the Menu Settings Password is Disabled
in the Service Setup Group, the above screen will not
appear.

The possible values for status are “Locked” or
“Unlocked”. If the password status is locked, the
password message will be “Enter Password to
Unlock”. The user will then depress (-)(+)(-)(+)(-)(+)
followed by the <Enter> key. The password
keystrokes will be echoed to the screen as a visual
aide. The last six keystrokes represent the current
password, and up to twenty keystrokes can be
entered. An incorrect password, or the twenty-first
keystroke will result in the password message
“Invalid Password”.

If the password status is unlocked, the password
message will be “Press (Enter) to Lock”. Pressing
<Enter> will lock all of the setpoint menus. Likewise,
if the password status is locked and the correct
password is entered, all of the setpoint menus will be
unlocked.

Whenever a password is in use the “Press (+)(-) to
change setting” message will be suppressed on all
setpoint screens. Any attempt to change a setpoint
will result in the message “Setting is Locked” being
displayed for 1 second. The password once entered
will remain valid until canceled.

Information Manual 25

Service Settings (Non Password Protected Service Settings Group)

Service Settings Key

Menu Structure Under

Figure 3

Service Settings Group

The Service Settings Key

(+)(+)(-)(-)(+)(+)

(+)(-)(+)(-)(+)(-)

(-)(-)(+)(+)(-)(-)

(-)(+)(-)(-)(+)(+)

or

(+)(+)(-)(+)(-)(-)

Password Screen

Password Screen

Password Screen

Password Screen

Field Startup
Group

Machine Config. Group

Refrigerant Monitor
Settings Group

Refrigerant Monitor
Calibration Groups

Keypad/Display Lockout

Password will be required to Unlock

This display only appears if the keypad lockout
feature is enabled.

If the <Enter> key is pressed to lock the keypad, the
following message is displayed, and all further input
from the keypad is ignored, including the <Stop> key,

Press (Enter) to Lock Display & Keypad

26 CVHE-CLD-1A

until the password is entered. The password consists

Service Settings (Non Password Protected Service Settings Group)

of pressing the <Previous> and <Enter> keys at the
same time.

******DISPLAY AND KEYPAD ARE LOCKED******

********ENTER PASSWORD TO UNLOCK********

If the keypad is locked and the password is entered,
the display will go to the Chiller Operating Mode
display of the Chiller Report.

Language Setting

Language: xxxxxxxx

Press (+)(-) to Change Setting

Possible Language Selections for the CLD are:
English (Factory Default), Francais, Deutsche,
Espanol, Nippon (also known as Katakana (uses
Japanese Characters), Italian, Nederland, and
CODED. Possible Language Selections for the
CCCLD are: English (Factory Default), Traditional
Chinese, Simplified Chinese, Korean, Thai, and
Japanese.

Display Menu Headings Enable

Display Menu Headings: [d/e]

Press (+)(-) to Change Setting

The Factory Default value is Enabled. If disabled the
Menu Headings in each Menu or Group do not
appear.

Clear Custom Menu

Press (Enter) To

Clear The Custom Menu

When <Enter> is pushed a 2 second message
appears as shown below and then returns to above
screen.

Custom Menu Has Been Cleared

Differential to Start Setpoint

Display Units

Display Units: [Type]

Press (+)(-) to Change Setting

Possible values of [Type] are: English (Factory
Default) and SI.

Decimal Places Displayed Setpoint

Decimal Places Displayed: [Status]

Press (+)(-) to Change Setting

The choices for Status are: XXX.X (Factory Default)
and XXX.

Differential to Start Setpoint: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 1 to 10°F (0.5 to 5.5°C) in
increments of 1 or 0.1°F or C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
5°F (2.8°C).

Differential to Stop Setpoint

Differential to Stop Setpoint: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 1 to 10°F (0.5 to 5.5°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
5°F (2.8°C).

Information Manual 27

Service Settings (Non Password Protected Service Settings Group)

Evap/Cond Pump Off Delay Time

Evap Pump Off Delay: xxx Min

Press (+)(-) to Change Setting

Range of values is 0 to 30 minutes in increments of 1
Minute. Factory Default is 1 Minute.

If the current running mode is hot water control state
the following display is substituted for the above
display:

Cond Pump Off Delay: xxx Min

Press (+)(-) to Change Setting

Printer Setups

This screen is shown only when the Printer Option is
Installed.

The choices for Status are: Enable (Factory Default)
and Disable.

Number of Pre-Diag Reports: xx

Press (+)(-) to Change Setting

Range of values is 1 to 5 in increments of 1. Factory
Default is 5.

Diagnostic Report Interval: xx sec

Press (+)(-) to Change Setting

Range of values is 2 to 120 seconds in increments of
1 second. Factory Default is 5 seconds.

Printer, Baud Rate: [Status]

Press (+)(-) to Change Setting

The choices for Status are: 300, 1200, 2400, 4800,
9600 (Factory Default), and 19,200.

Printer Setups

(Enter) to Change : (Next) to Continue

If <Next> is pressed the following printer setup
screens are skipped. If <Enter> is pressed the
following screens are displayed to permit
modification of the printer setups.

Print on Time Interval: [Status]

Press (+)(-) to Change Setting

The choices for Status are: Enable (Factory Default)
and Disable.

Print Time Interval: xxx Hours

Press (+)(-) to Change Setting

Range of values is 1 to 24 Hours in increments of 1
Hour. Factory Default is 8 Hours.

Print on Diagnostic: [Status]

Press (+)(-) to Change Setting

Printer, Parity: [Status]

Press (+)(-) to Change Setting

The choices for Status are: None (Factory Default),
Odd, and Even.

Printer, Data Bits: [Status]

Press (+)(-) to Change Setting

The choices for Status are: 8 (Factory Default) and 7.

Printer, Stop Bits: [Status]

Press (+)(-) to Change Setting

The choices for Status are: 1 (Factory Default) and 2.

Printer Handshaking: [Status]

Press (+)(-) to Change Setting

The choices for Status are: XON/XOFF (Factory
Default), DTR, RTS, and None.

28 CVHE-CLD-1A

Clear Restart Inhibit Timer

Press (Enter) to

Clear the Restart Inhibit Timer

When <Enter> is pushed, a 2 second message
appears as shown below and then returns to above
screen.

Restart Inhibit Timer Has Been Cleared

Service Settings (Non Password Protected Service Settings Group)

Information Manual 29

Field Start-up

Field Start-up

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

Field Startup

The Field Startup Group password is + + - - + +
<Enter>. The Field Startup Group contains items that
are primarily associated with Field Commissioning of
the chiller as well as the fundamental control and
protection of the chiller subsystems. If the field
startup password is entered, the display goes to the
menu defined below. If a key is not pressed every 10
minutes in this password protected menu, the display
returns to the Chiller Operating Mode display of the
Chiller Report, and the password must be entered
again to return to this menu.

Field Start-up Group Heading

in this condition, both the <Stop> and <Auto> keys
do not function.

Keypad/Display Lock Feature: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

When the keypad lock feature is Disabled, the
keypad lock display does not appear in the non­password protected area of the Service Settings
menu and the Keypad/Display cannot be locked.
When the keypad/display lock feature is Enabled, the
keypad lock display does appear in the Service
Settings menu so the keypad can be locked.

Menu Settings Password Enable

The Menu Settings Password permits the Settings in
each of the menus to be password protected. All
Report Menus and Setting Menus can still be viewed
at any time if this feature is either Enabled or
Disabled; the <Stop> and <Auto> keys also remain
active. If this feature is Enabled, then all Menu
Settings are password protected.

Menu Settings Password Feature: [d/e]

Field Start-up Group Settings

Press (Next)(Previous) To Continue

This header appears when the headers do not
appear in the Service Settings menu.

Keypad/Display Lock Feature Enable

This feature permits the entire Keypad and Display to
be locked out. A message appears on the screen to
describe this condition. No access is permitted to
either the Report screens or the Setting Screens
when this feature is both Enabled here and Locked at
the Service Settings Menu. It is important to note that

30 CVHE-CLD-1A

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

When the feature is Disabled, the Menu Setting
Password display does not appear at the top of each
of the Settings Menus and the Menu Settings cannot
be password protected. When the Menu Setting
Password feature is Enabled, the Menu Settings
Password display appears just below each of the
Settings Menu Headers so the settings can be
changed if the proper password is entered.

Field Start-up

ICS Address

ICS Address: xx

Press (+)(-) to Change Setting

Range of values is 1 to 127 in increments of 1.
Factory Default is 65.

Power Up Start Delay Time

Power Up Start Delay Time: xxx sec

Press (+)(-) to Change Setting

Range of values is 0 to 600 seconds in increments of

1. Factory Default is 0 sec.

Design Delta Temperature Setpoint

Design Delta Temp Setpoint: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 4 to 30°F (2.2 to 16.7°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
10°F (5.5°C).

When this setpoint is adjusted below 35.3°F the
following is displayed on the second line:

“Warning: Adequate Antifreeze Required”.

Low Refrigerant Temperature Cutout
Setpoint

Low Rfgt Temp Cutout Setpt: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is -35 to 36°F (-37.2 to 2.2°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. The Factory
Default is 32.0°F (0.0°C).

Low Evaporator Water Flow Warning Setpoint

The following will be displayed only if the Differential
Water Sensing Option is installed.

Low Evap Flow Warning: xx.x gpm/ton

Press (+)(-) to Change Setting

Range of values is 0.0 to 4.0 gpm/ton (0.0 to 15.1
lpm/ton) in increments of 0.1. Factory Default is 1.2
gpm/ton (4.5 lpm/ton).

Leaving Water Temperature Cutout

Condenser Limit Setpoint

Setpoint

Condenser Limit Setpoint: xx % HPC

Lvg Wtr Temp Cutout Setpoint:xxx.x f/c

Press (+)(-) to Change Setting

Range of values is -10 to 36°F (-23.3 to 2.2°C) in
increments of 1 or 0.1 °F or °C depending on the
Service Setup Screen xxx or xxx.x. The Factory
Default is 36.0°F (2.2°C).

When this setpoint is within 1.7°F of the Front Panel
Chilled Water Setpoint, the Front Panel Chilled
Water Setpoint is increased along with this setpoint
to maintain the differential. A message will be
displayed for 2 seconds to indicate that the FPCW
setpoint has been increased.

Information Manual 31

Press (+)(-) to Change Setting

Range of values is 80 to 120% in increments of 1%.
Factory Default is 93%.

Maximum Restart Inhibit (RI) Timer
Setting

Maximum RI Timer: xxx Minutes

Press (+)(-) to Change Setting

The Range of values is 30 to 60 Minutes in
increments of 1 Minute. Factory Default is 60
Minutes.

Field Start-up

Purge Control/Type

Purge Control/Type: [Type]

Press (+)(-) to Change Setting

Possible values of [Type] are: Micro Purge (Factory
Default) and Stand-Alone Purge.

Purge Service Log Reset

The following screen(s) shall be suppressed if the
selected Purge Control/Type is “Stand-Alone Purge”.

Service Log: Press (Enter) to Reset

Purge Pumpout Time: xxxxxxxx.x Pumpout Min

Service Log: Press (Enter) to Reset

Time Since Last Reset: xxxxx Cal Days

Note: Resetting in either screen above will reset both
fields of data to Zero.

Purge Maximum Pumpout Rate

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Press (+)(-) to Change Setting

Range of values is 1 to 72 Hours in increments of 1
Hour. Factory Default is 0 Hours.

Purge Low Chiller Sat. Cond. Liquid
Temp. Protection Enable

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Low Liquid Temp Inhibit:[d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

Purge Low Chiller Sat. Cond. Temp
Setpoint

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Prg Low Liquid Temp Inhibit Setpt xx.x f/c

Press (+)(-) to Change Setting

Range of values is 32 to 50°F(0.0 to 10.0°C) in
increments of 1 or 0.1°F or°C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
40°F (4.4°C).

Purge Max Pumpout Rate: xx Min/24 Hrs

Press (+)(-) to Change Setting

Range of values is 1 to 100 Minutes/24 Hrs in
increments of 1 Minute/24 Hrs. Factory Default is 20
Minutes/24 Hrs.

Purge Service Excessive Pumpout
Override Timer

The following screen(s) does not appear if the
selected Purge Control/Type is “Stand-Alone Purge.”

Purge Disable Pumpout Alarm for: xx Hrs

32 CVHE-CLD-1A

Surge Protection Enable

Surge Protection: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable and Enable
(Factory Default). Surge protection is based on motor
current fluctuation.

Field Start-up

Under/Over Voltage Protection Enable

This screen does not appear if the Line Voltage
Sensing Option is not installed or Compressor Power
Source is Engine/Generator.

Line voltage above + 10% of nominal. (Must hold = +
10 % of nominal. Must trip = + 15 % of nominal.
Reset differential = min. of 2% and max. of 4%. Time
to trip = minimum of 1 min. 10 sec. and maximum of
5 min. 20 seconds).

Under/Over Voltage Protection: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

Note: Under/Over Voltage Protection is activated
only if Under/Over Voltage Protection is enable and
Line Voltage Sensing Option is Installed.

Phase Reversal Protection Enable

This screen does not appear if the starter type is
“Adaptive Frequency” or “AFDB.”

Phase Reversal Protection: [d/e]

Press (+)(-) to Change Setting

Momentary Power Loss (MPL) Protection
Enable

This screen does not appear if the starter type is
“Adaptive Frequency” or “AFDB.” or Compressor
Power Source is Engine/Generator.

Momentary Power Loss Protection: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable and Enable
(Factory Default).

For MPL, on every power down, the reset inhibit
timer is reset to 30 seconds if the motor temperature
is <165°F and 15 minutes if the motor temperature is
> or = to 165°F.

Enhanced Oil Temp. Protection

This screen does not appear if the starter type is
“Adaptive Frequency” or “AFDB.

When enhanced oil protection is enabled, the oil
heater relay is energized at 140.5ºF (60.3ºC) and de­energized at 145.5ºF (63.1ºC). The low oil
temperature cutout “setpoint” is equal to the
saturated evaporator refrigerant temperature plus
30ºF (16.6ºC) or 100 ºF (37.8ºC) which ever is
larger.”

Possible values of [d/e] are: Disable and Enable
(Factory Default).

A phase reversal is detected on the incoming current.
On a compressor startup, the phase reversal logic
must detect and trip in 0.7 seconds.

Phase Unbalance Limit Enable

Phase Unbalance Limit: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable and Enable
(Factory Default).

The RLA of the motor is derated by resetting the
active current limit. The trip point is a 30% phase
unbalance for 90 seconds.

Information Manual 33

Enhanced Oil Temp Protection: [option]

Press (+)(-) to Change Setting

Possible options are: Disable and Enable (Factory
Default).

Oil Temp Setpoint

This screen does not appear when Enhanced Oil
Temperature Protection is enabled.

Oil Temp SetPoint: xxx.x f/c

Press (+)(-) to Change Setting

The range of values is 100°F to 160°F (37.8 to

71.1°C) in increments of 1 or 0.1°F or °C, depending

Field Start-up

on the Service Setup Screen xxx or xxx.x. Factory
Default is 143°F (61.9°C).

Low Oil Temp Cutout

This screen does not appear when Enhanced Oil
Temperature Protection is enabled.

Low Oil Temp Cutout: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 80 to 140°F (26.7 to 60.0°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
95°F (35.0°C).

Low Oil Temp Start Inhibit Differential

This screen only appears when Enhanced Oil
Temperature Protection is enabled.

External Base Loading Enable

External Base Loading: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

Soft Load Control Enable

Soft Load Control: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

Soft Load Starting Current Limit

Low Oil Temp Start Inhibit Diff: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 20 to 30°F (11.1 to 16.7°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is

27.5°F (15.3°C).

High Discharge Temp Cutout

This screen is displayed only if the Discharge Sensor
Option is installed.

High Discharge Temp Cutout: xxx.x f/c

Press (+)(-) to Change Setting

Range of values is 170 to 220°F (76.6 to 104.4°C) in
increments of 1 or 0.1°F or °C depending on the
Service Setup Screen xxx or xxx.x. Factory Default is
200°F (93.3°C).

Soft Load Starting Current Limit: xx %

Press (+)(-) to Change Setting

Range of values is 40 to 100% in increments of 1%.
Factory Default is 100%.

Soft Load Current Limit Rate Of Change

Soft Load Current Limit Rate:x.x %/min

Press (+)(-) to Change Setting

Range of values is 0.5 to 5%/Min in increments of 1
or 0.1%/Min depending on the Service Setup Screen
xxx or xxx.x. Factory Default is 5%/Min.

Soft Load Lvng Wtr Temp Rate of
Change

Soft Load Lvg Water Rate: x.x f/c/min

Press (+)(-) to Change Setting

Range of values is 0.5 to 5°F/Min (0.3 to 2.8°C/Min)
in increments of 1 or 0.1°F/Min depending on the

34 CVHE-CLD-1A

Field Start-up

Service Setup Screen xxx or xxx.x. Factory Default is
5°F/Min (2.8°C/MIn).

Hot Gas Bypass Enable

This screen does not appear when the hot gas
bypass option is not installed.

Hot Gas Bypass Control: [d/e]

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable (Factory
Default) and Enable.

HGBP Timer Enable

The following will be displayed only if HGBP is
installed.

HGBP Timer: [Status]

Press (+)(-) to Change Setting

Range of values is 0 to 30% in increments of 1%.
Factory Default is 10%. This setting drives the IGVs
to the target when HGBP is entered.

LWT Control Proportional Gain (Kp) Setpt

LWT Proportional Gain: xxx.x %/F

Factory Dflt is 10.0 %/F & 18.0 %/C

The range of valves is 0 to 100%/°F (0 to 180%/°C)
in increments of 0.1.

LWT Control Integral Gain (Ki) Setpt

LWT Integral Gain:x.xxx %/F

Factory Dflt is 0.110 %/F & 0.198 %/C

The range of valves is 0 to 1%/°F (0 to 1.8%/°C) in
increments of 0.001. The Factory Default is 0.110%/

°F (0.198%/°C).

The choices for Status are: Enable (Factory Default)
and Disable (Unlmtd Time).

Maximum HGBP Time

The following will be displayed only if HGBP is
Installed and the HGBP Timer is Enabled.

Maximum HGBP Time: xxx Min

Press (+)(-) to Change Setting

Range of values is 1 to 480 minutes in increments of
1 Minute. Factory Default is 30 Minutes.

HGBP Mode, Vane Target

This screen does not appear when the hot gas
bypass option is not installed.

Hot Gas Bypass Mode IGV Target:xx %

Press (+)(-) to Change Setting

LWT Control Derivative Gain (Kd) Setpt

LWT Derivative Gain: xx.x %/F

Factory Dflt is 00.0 %/F & 00.0 %/C

The range of valves is 0 to 10.0%/F (0 to 18.0%/C) in
increments of 0.1. The Factory Default is 00.0%/F
(00.0%/C).

IGV Maximum Travel Setpt

This screen is displayed only if “Inlet Guide Vane
Output” is “Stepper Motor.”

IGV Maximum Travel: xx,xxx Steps

Press (+)(-) to Change Setting

Range of values is 0 to 60,000 Steps in increments of
100 Steps. Factory Default is 50,000 Steps.

Note: this is also known as the 90 degree vane
setting. You must use the value determined at the
factory. Each unit is unique and must be individually
set. If the factory setting cannot be determined, it

Information Manual 35

Field Start-up

must be field-supplied by following the procedure in
Trane CVHF-CSB-2B.

Guide Vane Closed Travel Stop

This screen is displayed only if “Inlet Guide Vane
Output” is “Stepper Motor.”

Guide Vane Closed Travel Stop: xx.x %

Press (+)(-) to Change Setting

Range of values is 0 to 100% in increments of 1%.
Factory Default is 0%.

AF Adjustable Speed Control Algorithm
Enable

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Adaptive Speed Control Alg: d/e

Press (+)(-) to Change Setting

Possible values of [d/e] are: Disable and Enable
(Factory Default).

AF Leaving Water Standard Deviation

AF Pressure Coefficient Constant

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Pressure Coefficient Constant: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 2000 in increments of 1.
Factory Default is 800.

Note: The above value entered is 1.316 X 10^9 / (#
Stages X (Impeller Dia ^2)) all divided by 1000 for the
purpose of display and IPC data transmission (e.g.
the actual range is 0-2,000,000 in increments of

1000). In the chiller module it is multiplied by 1000
again so it is properly scaled.

AF Re-Optimization Factor

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Re-Optimization Factor: x.xx

Press (+)(-) to Change Setting

Range of values is 0.03 to 1.00 in increments of 0.01.
Factory Default is 0.30.

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Leaving Water Standard Deviation: x.x

Press (+)(-) to Change Setting

Range of values is 0.5 to 4.0 in increments of 0.1.
Factory Default is 1.0.

AF Re-Optimization Timer

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Re-Optimization Timer: xxx Hrs

Press (+)(-) to Change Setting

Range of values is 1 to 255 in increments of 1.
Factory Default is 24.

AF Boundary Pressure Coefficient Y

36 CVHE-CLD-1A

Field Start-up

Intercept

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Boundary PC Y-Intercept: x.xx

Press (+)(-) to Change Setting

Range of values is 0.01 to 2.00 in increments of 0.01.
Factory Default is 0.40. This setpoint is settable from
this screen but also changes as the Adjustable
Frequency Control Algorithm runs. It is similar to a
clock setting where you set it and then it runs from
there.

AF Boundary Pressure Coefficient Y
Intercept Max

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Boundary PC Y-Intercept Maximum: x.xx

Press (+)(-) to Change Setting

Range of values is 0.01 to 2.00 in increments of 0.01.
Factory Default is 2.00.

AF Pressure Error Deadband

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Pressure Error Deadband: x.xxx

Press (+)(-) to Change Setting

Range of values is 0.001 to 1.000 in increments of

0.001. Factory Default is 0.030.

AF Proportional Speed Gain

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Proportional Speed Gain: xxx

Press (+)(-) to Change Setting

Range of values is 1 to 100 in increments of 1.
Factory Default is 50.

Minimum Capacity Timer Enable

Min Capacity Timer: [Status]

Press (+)(-) to Change Setting

The choices for Status are: Enable (Factory Default)
and Disable (Unlmtd Time).

Information Manual 37

Field Start-up

Note: On Non-Adaptive Frequency chillers this Timer
times out when the chiller is at minimum IGV position
and the Leaving Water Temp is below the CWS. On
Adaptive Frequency chillers this Timer times out
when the chiller is at minimum IGV position or
minimum AF speed and LWT < CWS.

Time Permitted at Minimum Capacity

The following will be displayed only if the Minimum
Capacity Timer setpoint is Enabled.

Time Permitted at Min Cap: xxx Min

Press (+)(-) to Change Setting

Range of values is 1 to 480 minutes in increments of
1 Minute. Factory Default is 30 Minutes.

Evaporator Flow Coefficient

The following is displayed only if the Differential
Water Press Sensor Option is Installed.

Evap Flow Coefficient: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 3000 in increments of 5.
Factory Default is 1000.

Evaporator Fluid Coefficient

The following is displayed only if the Differential
Water Press Sensor Option is Installed.

Evap Fluid Coefficient: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 1000 in increments of 1.
Factory Default is 400.

Note: The desired range for the above is 0.0000 to

0.1000. To put in this kind of range into the CLD, the
fact that it does not start at zero represents a special
case. To minimize special cases it is preferred that a
multiplier of 10,000 be used in the computer that
generates the number.

Condenser Flow Coefficient

The following is displayed only if the Differential
Water Press Sensor Option is Installed.

Cond Flow Coefficient: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 2000 in increments of 5.
Factory Default is 500.

Condenser Flow Equation Exponent

Evaporator Flow Equation Exponent

The following is displayed only if the Differential
Water Press Sensor Option is Installed.

Evap Flow Equation Exponent: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 1000 in increments of 1.
Factory Default is 600.

Note: The desired range for the above is 0.5000 to

0.6000. To put in this kind of range into the CLD, the
fact that it does not start at zero represents a special
case. To minimize special cases it is preferred that a
multiplier of 10,000 and a offset of 5000 be used in
the computer that generates the number.

38 CVHE-CLD-1A

The following is displayed only if the Differential
Water Press Sensor Option is Installed.

Cond Flow Equation Exponent: xxxx

Press (+)(-) to Change Setting

Range of values is 0 to 1000 in increments of 1.
Factory Default is 600.

Note: The desired range for the above is 0.5000 to

0.6000. To put in this kind of range into the CLD, the
fact that it does not start at zero represents a special
case. To minimize special cases it is preferred that a
multiplier of 10,000 and a offset of 5000 be used in
the computer that generates the number.

Field Start-up

Local Atmospheric Pressure

Local Atmospheric Pressure: xx.x psia/kpa

Press (+)(-) to Change Setting

The range of settings is 10 to 16 psig in increments
of 1 or 0.1 psig or kPa depending on the Service
Setup Screen xxx or xxx.x. The Factory Default is

14.7 psig.

Refrigerant Pressure Analog Output
Option

Rfgt Pressure Output Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: % Cond (Factory
Default) and Delta.

Min Delta Pressure Calibration

The following is displayed only if the “Refrigerant
Pressure Analog Output Option” is set to “Delta”.

Note: 6.8948 kPa = 1 psi.

IGV Stroke Time

The following is displayed only if the “Inlet Guide
Vane Output” is set to “Pulsed”.

Inlet Guide Vane Stroke Time: XXX Sec

Press (+)(-) to Change Setting

The range of values is 15 to 100 seconds in
increments of 1 second. Default is 45 seconds.

Low Differential Oil Pressure Cutout

This screen is displayed only if the “Oil Pressure
Protection” is “Transducer”.

Low Diff Oil Press Cutout: XX psid/kpa

Press (+)(-) to Change Setting

The range of values is 9 to 35 psid in increments of 1
psid. Default is 12 psid.

Check Oil Filter Diagnostic

This screen is available only if differential oil pressure
transducer(s) are installed.

Min Delta Press Calib (2 VDC):XXXXPSID/kPa

Press (+)(-) to Change Setting

The range of values is 0-400 psid (0-2758 kPa) in
increments of 1 psid/kPa. Factory Default is 0 psid (0
kPa).

Note: 6.8948 kPa = 1 psi.

Max Delta Pressure Calibration

The following is displayed only if the “Refrigerant
Pressure Analog Output Option” is set to “Delta”.

Max Delta PressCalib (10 VDC):XXXXPSID/kPa

Press (+)(-) to Change Setting

The range of values is 1-400 psid (7-2758 kPa) in
increments of 1 psid/kPa. Factory Default is 30 psid
(207 kPa).

Check Oil Filter Diagnostic: [setting]

Press (+)(-) to Change Setting

Possible values of [setting] are: Disable (Factory
Default) and Enable.

Check Oil Filter Setpoint

This screen is displayed only if differential oil
pressure transducer(s) are installed and check oil
filter diagnostic is enabled.

Check Oil Filter Setpt: [setting]

Press (+)(-) to Change Setting

Possible values of [setting] are: 9 to 60 psid in 1 psid
increments. Factory Default is 15 psid.

Information Manual 39

Field Start-up

Evap Leaving Water Temp Offset

Evap Leaving Water Temp Offset:[setting]

Press (+)(-) to Change Setting

Possible values of [setting] are: -2.0°F to 2.0°F in

0.1°F increments (-/+ 1.1°C in 0.1°C increments).
Factory Default is 0.0°F.

Saturated Evap Rfgt Temp Offset

Saturated Evap Rfgt Temp Offset: [setting]

Press (+)(-) to Change Setting

Possible values of [setting] are: -2.0°F to 2.0°F in

0.1°F increments (-/+ 1.1°C in 0.1°C increments).
Factory Default is 0.0°F.

Water Pressure Calibration

The following menus is displayed only if the “Diff Wtr
Press Sensor” setpoint is set to “Installed, <= 150
psig.”

This non-zero value shall return to 0.0 psid (kPa)
when the water pressure calibration is completed.

Water Pressure Calibration: [setting]

Press (+)(-) to Change Setting

Possible values of [setting] are: Auto (Factory
Default) and Manual

If the above menu is set to “Manual,” the following
two menus are displayed.

Measured Evap Diff Wtr Press: X.X PSID/kPa

Press (+)(-) to Change Setting

Possible values is 0 to 25 psid (0 to 172.4 kPa) in 0.1
psid (kPa) increments. Factory Default is 0.0 psid
(kPa).

Measured Cond Diff Wtr Press: X.X PSID/kPa

Press (+)(-) to Change Setting

Possible values is 0 to 25 psid (0 to 172.4 kPa) in 0.1
psid (kPa) increments. Factory Default is 0.0 psid
(kPa).

The value displayed in the preceding two menus
shall normally be 0.0 psid (kPa). When a manual
calibration of the evaporator or condenser water
pressure is desired, the measured differential
pressure shall be entered in the appropriate menu.

40 CVHE-CLD-1A

Machine Configuration

Machine Configuration

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

Service Settings - Machine Configuration

The Machine Configuration password is + - + - + ­<Enter>. If the machine configuration password is
entered, the display goes to the menu defined below.
If a key is not pressed every 10 minutes in this
password protected menu, the display returns to the
Chiller Operating Mode display of the Chiller Report,
and the password must be entered again to return to
this menu.

Machine Configuration Group Heading

Unit Type

Unit Type: [type]

Press (+)(-) to Change Setting

Unit type will default to one of three chiller types. The
default unit type will limit the selections to chillers of
that type.

When the Factory Default is CVHE, possible values
of unit type are: CVHE, CVGF, FastPak water­cooled, FastPak air cooled, CVHG, CVHF, CVHB,
CVGE, and CVGG.

Nominal Unit Tons

Nominal Unit Tons: [tons]

Press (+)(-) to Change Setting

Possible values of [tons] are “100” through “1800" in
10 ton increments. Factory Default is 500 tons.

Machine Configuration Group Settings

Press (Next)(Previous) To Continue

This header appears when the headers do not
appear in the Service Settings menu.

Unit Frequency

Unit Frequency: [Freq]

Press (+)(-) to Change Setting

Possible values of Frequency are: 60 Hz (Factory
Default) and 50 Hz.

Refrigerant Type

Refrigerant Type: [type]

Press (+)(-) to Change Setting

Possible values for type are: R11, R123 (Factory
Default), R12, R134a, Water, R22, and R113.

Refrigerant Monitor Type

Refrigerant Monitor Type: [type]

Press (+)(-) to Change Setting

Possible values for type are: None (Factory Default),
Analog interface, and IPC Interface.

Information Manual 41

Machine Configuration

Starter Type

Starter Type: [type]

Press (+)(-) to Change Setting

Possible values for type are: Undefined, Adaptive
Frequency (AFDA), Y Delta (Factory Default), X Line,
Solid State (C515 Series), Auto Transformer, and
Primary Reactor, AFDB, Solid State (SMCPP)
(Standalone for FastPak only).

Startup Contactor Test - Y-D Starters
Only

This screen shall be displayed only when the starter
type is Y-Delta.

Level 2 ContactorIntegrityTest: [d/e]

Press (+)(-) to Change Setting

Select the Motor Heating Constant using the
following table:

NTON

230-320 190-270 30 Min

360-500 300-420 35 Min

560-800 470-660 40 Min

890-1280 740-1040 45 Min

Motor Heating

Constant60 Hz 50 Hz

Current Overload Setting #1

Current Overload Setting #1: xxxxxxxx

Press (+)(-) to Change Setting

The range of values is Decimal 00 through 31.
Factory Default is 00. Factory set per nameplate.

Possible values of [d/e] are: Disable (Factory
Default) and Enable. This test checks for welded
contactors before every start.

Rated Load Amps

Rated Load Amps: xxxx Amps

Press (+)(-) to Change Setting

The range of values is 0-2500 in 1 amp increments.
Factory Default is 500 Amps.

Motor Heating Constant

Motor Heating Constant Setpt: xxx Min

Press (+)(-) to Change Setting

The range of values XXX is 0 to 100 Minutes in 1
Minute increments. Factory Default is 25 Minutes.

Current Overload Setting #2

Current Overload Setting #2: xxxxxxxx

Press (+)(-) to Change Setting

The range of values is Decimal 224 through 255.
Factory Default is 255. For security purposes the
second setting is the 8-bit one's complement of the
first setting above. The current overload settings
establish the running current protection.

Procedure For Selecting Current
Overload Settings for UCP2

1 Determine the Rated Load Amps (RLA) from the

Unit Nameplate.

2 Refer to Table 2 or Table 3 as follows:

Select Table 2 if any of the following conditions are
met:

q the unit has a unit mounted starter with an RLA

less than 936 Amps.

q The unit has a 24" wide control panel; no unit

mounted starter, and RLA less the 936 Amps.

42 CVHE-CLD-1A

Machine Configuration

q The starter has a single CT/phase wired directly

to the starter module.

Select Table 3 if any of the following conditions are
met:

q The unit has an RLA over 935 Amps.

q The unit has a 38" wide “Starter By Others”

control panel.

q The starter has two CTs/phase wired to the starter

module (greater than 600 volts).

3 Using Table 2 or Table 3 (determined from Step

2), determine the CT Meter Scale Rating based
on the RLA from Step 1.

4 Calculate the CT factor using one of the following

two equations:

If Table 2 was used: CT Factor = (Motor RLA/CT
Meter Scale Rating) x 100

If Table 3 was used: CT Factor = (Motor RLA/CT
Meter Scale Rating) x 139

5 Refer to Table 4 . Determine Current Overload

Settings #1 and #2 based on the CT Factor
calculated in Step 4.

Table 2
CT Factor = (Motor RLA/CT Motor RLA/CT Meter Scale Rating)
X 100

Motor RLA CT Part No. Ext

34-50A

51-67A 10 75A

68-100A 01 100A

101-134A 02 150A

135-184A 03 200A

185-267A 04 275A

268-334A 05 400A

335-467A 06 500A

468-667A 07 700A

668-935A 08 1000A

x13580253

CT Meter Scale

Rating

09 50A

Verify Current Overload Setting #1.

Verify Current Overload Setting #2.

Information Manual 43

Machine Configuration

Table 3
CT Factor = (Motor RLA/CT Meter Scale Rating) X 139

Line CT Part

No. Ext

X13580272 -01 50:5 X1 to X2 3 8.0 – 11.9 16.7

X13580271 -01 100:5 48.0 – 72.0 100

X13580048 150:5 72.0 – 86.3 150

X13580047 -01 1800:5 X1 to X2 864.0 – 1007.9 1800

Line CT

Ratio

-02 75:5 2 18.0 – 23.9 37.5

-01 50:5

-02 75:5 36.0 – 47.9 75

180:5 X1 to X3 86.4 – 95.9 180

200:5 X1 to X4 96.0 – 119.9 200

-02 250:5 X1 to X2 120.0 – 143.9 250

300:5 X1 to X3 144.0 – 167.9 300

350:5 X1 to X4 168.0 – 191.9 350

-03 400:5 X1 to X2 192.0 – 239.9 400

500:5 X1 to X3 240.0 – 287.9 500

600:5 X1 to X4 288.0 – 335.9 600

-04 700:5 X1 to X2 336.0 – 383.9 700

800:5 X1 to X3 384.0 – 479.9 800

1000:5 X1 to X4 480.0 – 575.9 1000

-05 1200:5 X1 to X2 576.0 – 719.9 1200

1500:5 X1 to X3 720.0 – 863.9 1500

2100:5 X1 to X3 1008.0 – 1199.9 2100

2500:5 X1 to X4 1200.0 – 1800 2500

-02 1000:5 X1 to X2 480.0 – 575.9 1000

1200:5 X1 to X3 576.0 – 719.9 1200

1500:5 X2 to X4 720.0 – 863.9 1500

CT Ter.

Conn

No. of Prim.

Turns RLA Ranges

2 12.0 – 17.9 25.0

24.0 – 35.9 50

1

Meter
Scale

44 CVHE-CLD-1A

Table 4
CT Factor, Current Overload Settings #1 and #2

Machine Configuration

Current

CT

Factor

66 00 255 77 11 244 88 22 233

67 01 254 78 12 243 89 23 232

68 02 253 79 14 241 90 24 231

69 03 252 80 15 240 91 25 230

70 04 251 81 16 239 92 25 230

71 06 249 82 17 238 93 26 229

72 06 248 83 18 237 94 27 228

73 07 248 84 19 236 95 28 227

74 08 247 85 20 235 96 28 227

75 09 246 86 21 234 97 29 226

76 10 245 87 22 233 98 30 225

Overload

Setting #1

Current

Overload

Setting #2

CT

Factor

Current

Overload

Setting #1

Maximum Acceleration Timer #1

Current

Overload

Setting #2

CT

Factor

99 30 225

The range of values is 191 to 249 Sec. Factory

Current

Overload

Setting #1

Default is 228 Seconds. For security purposes the
second setting is the 8-bit one's complement of the

Maximum Accel Timer Setpt #1: xx Sec

Press (+)(-) to Change Setting

Timer #1 setting above. Both the Maximum Accel.
Timers and the Overload Settings are not adjustable
from either the Remote CLD or Tracer or any other
Remote/External Device.

The range of values is 6 to 64 seconds. Factory
default is 27 seconds.

Current

Overload

Setting #2

Starter Type

Undefined Contact Factory

Variable Speed 20

Y-Delta 27 (Factory Default)

X-Line 6

Sold State 20

Auto-transformer 16

Primary Reactor 11

Recommended Max. Accel.

Timer #1 Setting

Maximum Acceleration Timer #2

The maximum acceleration timers establish the
starting overcurrent protection.

Maximum Accel Timer Setpt #2: xx Sec

Press (+)(-) to Change Setting

Hot Water Control Option

This screen does not appear if compressor power
source is “Engine/Generator.”

Hot Water Control Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Heatsink Start Inhibit Temperature
Setpoint (FastPak)

Heatsink Start Inhibit Temp: xxx.x f/c

Press <+> <-> To Change Setting

The range of values shall be 100.0 to 200.0 °F (37.8
to 93.3 °C) in increments of .1°F/°C. Default shall be
100 °F (93.3 °C).

Information Manual 45

Machine Configuration

External Chilled Water Setpoint Option

External Chilled Wtr Setpoint:[Status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

External Current Limit Setpoint Option

External Current Limit Setpt:[Status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

External Hot Water Setpoint Option

External Hot Water Setpoint: [Status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Acceleration Time Out Action

Motor Winding RTD Type

Motor Winding RTD Type: [type]

Press (+)(-) to Change Setting

Possible values for type are: 75 Ohm at 75°F
(Factory Default) and 100 Ohm at 0°C

High Pressure Cutout Setting

High Pressure Cutout Setting:xxxx Psig/kPa

Press (+)(-) to Change Setting

The range of values shall be -5-500 psig (350-3447
kPa) in increments of 5 psig/kPa. Factory Default is
15 psig (103 kPa) from -5 to 5 psig in increments of

1.

Line Voltage Sensing Option

Line Voltage Sensing Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Unit Line Voltage

Acceleration Time Out Action: [action]

Press (+)(-) to Change Setting

Possible values for “action” include: Shutdown
(Factory Default) and Transition. Transition results in
an IFW diagnostic.

Motor Over Temperature Protection

Motor Temp Protection: [input]

Press <+> < - > to Change Setting

Possible value of [input] are: 3 Winding Sensors,
MTC Switch. Factory default is 3 Winding Sensors

46 CVHE-CLD-1A

This screen will not appear if the Line Voltage
Sensing Option is not installed.

Unit Line Voltage: [volt]

Press (+)(-) to Change Setting

Possible values of [volt] are “180” through “6600” in 5
volt increments. Factory Default is 460 volts.

Machine Configuration

Auxiliary Condenser Option

Auxiliary Condenser Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Heat Recovery Option

Heat Recovery Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Hot Gas Bypass Option

Condenser Pressure Sensor Option

Condenser Press Sensor Option:[status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Bearing Temperature Sensors Option

Bearing Temp Sensors Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Discharge Temperature Sensor Option

Hot Gas Bypass Option : [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Free Cooling Option

Inlet Guide Vane Output

Has been Set to Stepper Motor

Free Cooling Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Discharge Temp Sensor Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Ice Building Option

Ice Building Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Differential Water Press Sensing Option

Diff Wtr Press Sensor Opt: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed, <= 150 psig
(1035 kPa), Installed, > 150 psig (1035 kPa), and Not
Installed (Factory Default).

Information Manual 47

Machine Configuration

This option screen applies to both the Evap and
Cond differential water pressure sensors for both
systems less than or equal to 150 psig (Sensors at
the Chiller Module) and systems greater than 150
psig (Sensors at the Options Module).

External Analog Input Type Selection,
4-20 ma/2-10 VDC

External Setpoint Inputs: [type]

Press (+)(-) to Change Setting

Possible values for status are: 4-20ma (Factory
Default) and 2-10 VDC.

Tracer Option

Tracer Option:

[status]

Press (+)(-) to Change Setting

Duplex Control Module (DCM) Option

DCM Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

IGV Output Type

Inlet Guide Vane Output: [Y]

Press (+)(-) to Change Setting

Possible values for Y are: Stepper Motor (Factory
Default) and Pulsed.

If Inlet Guide Vane Output is set to Pulsed and the
Hot Gas Bypass Option is currently set to Installed,
the Hot Gas Bypass Option will be set to Not
Installed and the following will be displayed for 3 sec
to indicate the change.

Possible values for status are: Installed and Not
Installed (Factory Default).

TCI Option

TCI Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Printer Option

Printer Option: [status]

Press (+)(-) to Change Setting

Possible values for status are: Installed and Not
Installed (Factory Default).

Hot Gas Bypass Option

Has Been Set to Not Installed

Oil Pressure Protection

Oil Pressure Protection:
[status]

Press (+)(-) to Change Setting

Possible values for [status] are: Transducer (Factory
Default), and Diff Switch, Xducer & Switch.

Programmable Analog Output

Program Analog Output: [Output]

Press <+> <-> To Change Setting

Possible values of [Output] are:

Not Used % Cond Pres

% RLA Refrig Diff Pres

48 CVHE-CLD-1A

Machine Configuration

Current Transducer at 100% RLA =

Machine LRA

Factory Default is % RLA.

Programmable Relay Outputs

The following represents three menu items and is
repeated for [N] = 1, 2, or 3.

Program Relay [N]: [Relay]

Press <+> <-> To Change Setting

Possible values of [Relay] are:

Not Used Limit Warning

Comp Running Ice Making

MMR Alarm Head Relief Request

MAR Alarm Tracer Controlled

MMR + MAR Alarm Max Capacity

Factory Default for

Current Transducer at 100% RLA

The following will only be displayed if Current
Transducer is set to “Other”.

Current Xducer at 100% RLA: XX.X VDC

Press <+> <-> To Change Setting

Range of values is -10.0 to -5.0 VDC in increments of

0.1 VDC

Note: Calculate setpoint as follows:

--------------------------------------X10–()

CT Span

Compressor Power Source

Cprsr Power Source: [status]

Press (+)(-) to Change Setting

[N] = 1 is MMR + MAR Alarm.

[N] = 2 is Comp Running.

[N] = 3 is Not Used.

Current Transducer Setpoint

The following will only be displayed if starter type is
set to “Stand Alone - No Starter Module”.

Current Xducer: [Setting]

Press <+> <-> To Change Setting

Possible values for [Setting] are: Cutler Hammer;
Other Factory Default is “Cutler Hammer”

Note: Select “Cutler Hammer” if starter has an A-1
module, otherwise select “Other”.

Possible settings for [status] are: Utility (Factory
Default) and Engine/Generator.

Information Manual 49

Refrigerant Monitor Settings Group

Refrigerant Monitor Settings Group

The Refrigerant Monitor Settings password is - - + + -

- <Enter>. If the refrigerant monitor settings
password is entered, the display goes to the menu
defined below. If a key is not pressed every 10
minutes in this password protected menu, the display
returns to the Chiller Operating Mode display of the
Chiller Report, and the password must be entered
again to return to this menu.

Refrigerant Monitor Settings Group
Heading

Refrigerant Monitor Group Settings

Press (Next)(Previous) To Continue

Alarm Level 1

Alarm Level 1: XXXX PPM [Rfgt Type]

Press (+)(-) to Change Setting

Refrigerant Audible Alarm

Refrigerant Audible Alarm: [Setting]

Press (+)(-) to Change Setting

Possible values are: Disable, Alarm 1, Alarm 2,
Alarm 3.

Trouble Audible Alarm

Trouble Audible Alarm:

[Status]

Press (+)(-) to Change Setting

Possible values of status are: Disable, Enable.

Alarm 1 Latching Status

Range of values are 3 to Alarm Level 2 minus 1 in
increments of 1. The maximum value for R-123 is 30.

Alarm Level 2

Alarm Level 2: XXXX PPM [Rfgt Type]

Press (+)(-) to Change Setting

Range of values are Alarm Level 1 plus 1 to Alarm
Level 3 minus 1 in increments of 1.

Alarm Level 3

Alarm Level 3: XXXX PPM [Rfgt Type]

Press (+)(-) to Change Setting

Range of values are Alarm Level 2 plus 1 to 1000 in
increments of 1.

Alarm 1 Latching Status: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Latching, Non­Latching.

Alarm 2 Latching Status

Alarm 2 Latching Status: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Latching, Non­Latching.

50 CVHE-CLD-1A

Refrigerant Monitor Settings Group

Alarm 3 Latching Status

Alarm 3 Latching Status: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Latching, Non­Latching.

Channel Scanner

This item shall be displayed only when the refrigerant
monitor mode is Warmup.

Channel Scanner: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Installed, Not Installed.

Scanner Channel 1

Scanner Channel 1: [Status]

Press (+)(-) to Change Setting

Scanner Channel 4

Scanner Channel 4: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Active, Inactive.

Scanner Dwell Threshold

Scanner Dwell Threshold: XX %

Press (+)(-) to Change Setting

The range of values for Scanner Dwell Threshold is
30 to 70 in increments of 1.

Auxiliary Input

Auxiliary Input: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Installed, Not Installed.

Possible values of status are: Active, Inactive.

Scanner Channel 2

Scanner Channel 2: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Active, Inactive.

Scanner Channel 3

Scanner Channel 3: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Active, Inactive.

Auxiliary Input Alarm

Auxiliary Input Alarm: [Status]

Press (+)(-) to Change Setting

Possible values of status are: Enable, Disable.

Auxiliary Input Alarm Level: XX.X mA

Press (+)(-) to Change Setting

Range of values is 4.0 to 20.0 in increments of 0.1.

Auxiliary InputAlarm Direction:[Direction]

Press (+)(-) to Change Setting

Possible values of Direction are: Above, Below.

Auxiliary Input Audible Alarm:[Status]

Press (+)(-) to Change Setting

Possible values of Status are: Disable, Enable.

Information Manual 51

Refrigerant Monitor Settings Group

Analog Output Range

Analog Output Range: [Range] PPM

Press (+)(-) to Change Setting

52 CVHE-CLD-1A

Refrigerant Monitor Calibration

Refrigerant Monitor Calibration

The Refrigerant Monitor Calibration password is - + -

- + + <Enter> for the field calibration menu. If a
refrigerant monitor calibration password is entered,
the display goes to the menu items defined below. If
a key is not pressed every 20 minutes in this
password protected menu, the display returns to the
Chiller Operating Mode display of the Chiller Report,
and a refrigerant monitor calibration password must
be entered again to return to this menu.

Refrigerant Monitor Settings Group
Heading

This header is displayed if the field calibration
password was entered.

Rfgt Monitor Field Calibration Group

Press (Next)(Previous) To Continue

This header is displayed if the factory calibration
password was entered.

Refrigerant Zero Calibration

Refrigerant Zero Calibration

(Enter) to Start, (Next) to Continue

If <Next> is pressed the following refrigerant zero
calibration screens are skipped. If <Enter> is pressed
the following screens are displayed to permit
refrigerant zero calibration.

Starting The Calibration Procedure

Please Wait

If the refrigerant monitor is unable to calibrate, the
following item is displayed.

Unable to Calibrate

Otherwise, continue with the following screens.

Rfgt Monitor Factory Calibration Group

Press (Next)(Previous) To Continue

Refrigerant Monitor Mode

Refrigerant Monitor Mode: [Mode]

Scanner Channel X XXXX PPM [Rfgt Type]

This item is displayed if the Channel Scanner is not
installed.

Refrigerant Monitor Mode: [Mode]

XXXX PPM [Rfgt Type]

Connect Refrigerant Zero Gas

(Next) To Continue, (Cancel) To Exit

Open Gas Sample Valve

(Next) To Continue, (Cancel) To Exit

XXXX PPM [Rfgt Type]

(Enter) To Adjust Conc, (Cancel) to Exit

Locking The Reading

Please Wait

Information Manual 53

Refrigerant Monitor Calibration

If the refrigerant monitor is unable to calibrate, the
following item is displayed.

Unable to Calibrate

Otherwise, the following screens continue.

Refrigerant Zero Calibration XXXX

Press (Enter)(Cancel)(+)(-) To Continue

Starting The Calibration Procedure

Please Wait

This item is followed by one of the following two
items.

Successful Calibration

If the refrigerant monitor is unable to calibrate, the
following item is displayed.

Unable to Calibrate

Otherwise, the following screens continue.

Connect Refrigerant Span Gas

(Next) To Continue, (Cancel) To Exit

Open Gas Sample Valve

(Next) To Continue, (Cancel) To Exit

XXXX PPM [Rfgt Type]

(Enter) To Adjust Conc, (Cancel) to Exit

Calibration Failed

(Enter) To Retry, (Cancel) To Exit

If the <Enter> key is pressed, the display will return
to the second menu item above. If the <Cancel> key
is pressed, the display continues to the next display.

Refrigerant Span Calibration

Refrigerant Span Calibration

(Enter) to Start, (Next) to Continue

If <Next> is pressed the following refrigerant span
calibration screens are skipped. If <Enter> is pressed
the following screens are displayed to permit
refrigerant span calibration.

Starting The Calibration Procedure

Please Wait

Locking The Reading

Please Wait

If the refrigerant monitor is unable to calibrate, the
following item is displayed.

Unable to Calibrate

Otherwise, the following screens continue.

Refrigerant Span Calibration XXXX

Press (Enter)(Cancel)(+)(-) To Continue

Starting The Calibration Procedure

Please Wait

54 CVHE-CLD-1A

This item is followed by one of the following two
items.

Successful Calibration

Calibration Failed

(Enter) To Retry, (Cancel) To Exit

If the <Enter> key is pressed, the display returns to
the second menu item above. If the <Cancel> key is
pressed, the display continues to the next display.

Refrigerant Monitor Calibration

Information Manual 55

Service Tests Group

Service Tests Group

Important! FACTORY DEFAULT SETTINGS: Menu
items that are programmable using the keypad may
have a selectable choice that is listed as Factory
Default. This Factory Default setting is the software
default that is initially factory-programmed for a new
module assembly and may NOT be the correct
setting for a specific operating chiller. Always review
all settings when any module is replaced to verify
that the settings agree with the desired settings that
were selected at initial startup or programmed at the
factory.

Service Tools Group Password Request

Pswd Reqd to Access Service ToolsGroup

Please Enter Password

The Service Tools Password is + + - - + + <Enter>.
Successfully entering the password sends you to the
Service Tools Group Heading Screen as defined
below.

Pressing the <Next> and Increment keys
simultaneously while the Service Tools Group

Password Request screen is displayed will send you
to the CLD-Chiller IPC communications screen
shown below. This screen can be used as a
debugging tool when CLD-Chiller IPC
communications are suspect. The first line on the
comm screen indicates which Chiller packets the
CLD is checking. The second line on the comm
screen indicates how many times in a 15 second
interval the particular packet was received by the
CLD. If a packet is received more than 9 times in the
interval, a “+” is displayed. The counters are reset to
0 every 15 seconds. Hitting any key while on this
screen will cause an exit.

Packet#:2 3 4 5 6 7 8 9 10 11 12 14 15

Received:x x x x x x x x x x x x x

If any item in the Service Tools Group is in manual
override, the alarm LED will be on and non-flashing.
The following table contains the Service Tools
setpoints which affect the alarm light.To turn the
alarm light off (from an on and non-flashing state), all
the conditions applicable to the unit type must be
satisfied.

Unit Type: Function / Setpoint: Condition to Turn Off

manual Alarm LED:

ALL “Chilled Water Pump:” Auto

ALL except CVAE “Condenser Water Pump:” Auto

CTV “Oil Pump:” Auto

CTV with IGV Output set to
Stepper Motor.

CTV with HGBP installed: “HGBP Valve Control Is:” Auto

CTV with IGV Output set to
Pulsed.

CTV with AF starter: “AF Manual Speed Control:” Disable

56 CVHE-CLD-1A

“Vane Control:” Auto

“IGV Control Is:” Auto

Service Tests Group

Service Tools Group Heading

Service Tests & Overrides

Press (Next)(Previous) To Continue

This header appears when the headers do not
appear in the Service Settings menu.

Chilled Water Pump

Chilled Water Pump: [Status]

Press (+)(-) to Change Setting

Possible values for Status are: Auto (Factory Default)
and On.

Chilled Water Flow Switch Status

This screen displays the status of the chilled water
flow switch status at the input to the UCM.

Condenser Water Pump

Condenser Water Pump: [Status]

[y]

Possible values for Status are: Auto (Factory Default)
and On.

Possible values for [y] are: Press (+)(-) to Change
Setting.

Condenser Water Flow Switch Status

This screen displays the status of the condenser
water flow switch status at the input to the UCM.

Condenser Water Flow Switch Status:

[y]

Possible values for [y] are: Flow Switch is Open/No
Flow and Flow Switch is Closed/Flow.

Chilled Water Flow Switch Status:

[y]

Possible values for [y] are: Flow Switch is Open/No
Flow and Flow Switch is Closed/Flow.

Evaporator Differential Water Pressure

The following will be displayed only if the Differential
Water Pressure Sensor Option is Installed.

Evap Differential Wtr Press: xx.x psid/kPa

Press (Next)(Previous) To Continue

Evaporator Entering/Leaving Water
Pressure

The following will be displayed only if the low
pressure (< or = to 150 psig) Differential Water
Pressure Sensor Option is Installed.

Condenser Differential Water Pressure

The following will be displayed only if the Differential
Water Pressure Sensor Option is Installed.

Cond Differential Wtr Press: xx.x psid/kPa

Press (Next)(Previous) To Continue

Condenser Entering/Leaving Water
Pressure

The following will be displayed only if the low
pressure (< or = to 150 psig) Differential Water
Pressure Sensor Option is Installed.

Cond Entering Water Pressure:xx.x psid/kPa

Cond Leaving Water Pressure: xx.x psid/kPa

Evap Entering Water Pressure:xx.x psid/kPa

Evap Leaving Water Pressure: xx.x psid/kPa

Information Manual 57

Service Tests Group

Starter Dry Run

Use the following screen when [xx] = “Disabled”.

Starter Dry Run: [xx]

Press +/- to Change

Use the following screen when [xx] Not equal to
“Disabled”.

Starter Dry Run: [xx]

(+)(-) (Enter): Trans Compl Inp: [y]

Possible values of [xx] are: Disabled (Factory
Default), Shorting Relay On, Run Relay On, Start
Relay On, Transition Relay On, and Start and Run
Relays On.

Possible values of [y] are:

Closed This denotes that the Transition Complete
input is seeing a contact closure.

Open This denotes that the Transition Complete
input is seeing a contact open.

If the unit is not in the local Stop mode the following
is displayed.

Starter Dry Run: Disabled

Unit Must Be In Local Stop To Execute

Vane Control Status/Vane Position
Commands

The following screens will be displayed only when
the “Inlet Guide Vane Output” is set to “Stepper
Motor”.

Vane Control Is: [Status]

Press (+)(-) to Change Setting

The possible values of [status] are “Auto” or
“Manual”. Factory Default is “Auto”.

If the vane control status is “Auto” the following is
displayed:

Inlet Guide Vane Position: xxx.x %Open

[Limit mode]

If the vane control status is “Manual” the following is
displayed. When the Vane Control Status is
transitioned from “Auto” to “Manual”, the manual
target is initialized to the current vane position.

Vane Pos xxx.x % Target xxx.x % Open

LWT = xx.x [limit mode]

The possible values of limit mode are: “Current
Limit”, “Condenser Limit”, "Evap Limit”, and “(+) (-)
and <Enter>”.

Vane Position

Oil Pump Status

This screen is displayed only if “Oil Pressure
Protection” is set to “Transducer” or “Xducer &
Switch.”

Oil Pump: [Status]

Differential Oil Pressure: xx.x psid

Possible values for Status are: Auto (Factory Default)
and On.

Differential Oil Pressure is not a setpoint but a status
display.

58 CVHE-CLD-1A

The following screen will be displayed only when the
“Inlet Guide Vane Output” is set to “Stepper Motor”.

Inlet Guide Vane Position: xxxxx steps

Inlet Guide Vane Position:xx.x degrees

HGBP Valve Control Status/Manual Open
and Close Commands

If HGBP is installed in the unit, the following screen is
displayed:

HGBP Valve Control Is: [Status]

LWT = xx.x f/c [Y]

Service Tests Group

The possible values of [status] are “Auto”, “Hold”,
“Open”, or “Close”. Factory Default is “Auto”.

The possible values of Y are: “Current Limit”,
“Condenser Limit”, “Evap Limit”, and (+)-) and
<Enter>”. The latter is displayed when there are no
limits operating.

HGBP Valve Manual Opening/Closing
Duty Cycle

If HGBP is installed in the unit, the following screen is
displayed:

Manual Opening/Closing Duty Cycle: xx%

Press (+)(-) to Change Setting

Range of values is 0 to 50% in increments of 1%.
Factory Default is 30%.

Vane Control Status/Manual Load and
Unload Commands

Range of values is 0 to 50% in increments of 1%.
Factory Default is 30%.

Condenser Fan 3 [Status]

Fan 1 [x] Fan 2 [y] Fan 3 [z].......

Possible values for Status are: Auto (Factory Default)
and On

Fan 1, Fan 2, and Fan 3 are not setpoints but a
status display.

Possible values for x,y,z are Auto/On and On/Off.

Note: status display (2nd line) does not appear while
in free cooling mode.

AF Manual Speed Control - CVHE/F/G
Only

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

The following screen will be displayed only when the
“Inlet Guide Vane Output” is set to “Pulsed”.

IGV Control Is: [Status]

LWT = xx.x f/c [Y]

The possible values of [status] are “Auto”, “Hold”,
“Load”, or “Unload”. Factory Default is “Auto”.

The possible values of Y are: “Current Limit”,
“Condenser Limit”, “Evap Limit”, and “(+)(-) and
<Enter>”. The latter is displayed when there are no
limits operating.

Manual Loading/Unloading Duty Cycle

The following screen will be displayed only when the
“Inlet Guide Vane Output” is set to “Pulsed”.

Manual Loading/Unloading Duty Cycle: xx%

Press (+)(-) to Change Setting

AF Manual Speed Control: [d/e]

Press (+)(-) to Change Setting

The possible values of [d/e] are: Disable (Factory
Default) and Enable.

AF Compressor Speed Command ­CVHE/F/G Only

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB”, or the Compressor
Power Source is Engine/Generator, and AF Manual
Speed Control is Enabled.

AF Compressor Speed Command: xxxx RPM

Press (+)(-) to Change Setting

Range of values is 2520 to 3600 RPM for “Adaptive
Frequency” Starter Type (2280 to 3600 RPM for
“AFDB” Starter Type) in increments of 1 RPM.
Factory Default is 3600 RPM.

Information Manual 59

Service Tests Group

AF Compressor Speed Command ­CVHE/F/G Only

The following is displayed only if the Starter Type is
“Adaptive Frequency” or AFDB” or the Compressor
Power Source is Engine/Generator.

AF Compressor Speed Command: xx.x Hz

AF Compressor Speed Command:xxxx.x RPM

Note This is a Report only for Troubleshooting
purposes.

AF Boundary Pressure Coefficient/AF
Pressure Coefficient - CVHE/F/G Only

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Boundary Press Coefficient: x.xxx

AF Pressure Coefficient: x.xxx

Module Software Revision Levels

Press (Enter) To Display Software

Revision Levels Or (Next) To Continue

If <Enter> is selected the following screen can be
displayed 5 times with 5 different pairs of modules.

[Module 1:] [Revision Level]

[Module 2:] [Revision Level]

Module 1/2 will be one of the following: Chiller,
Circuit, Starter, Options, Stepper 1, Stepper 2, TCI,
Purge, LCLD, RCLD, I/O, Refrigerant Monitor,
Scorpio, DCM.

Revision Level will either be an integer representing
the software version number of the particular module
or occurrence of a diagnostic, the display will
automatically go to this menu and display certain
messages as explained in the next section
“Diagnostics Menu.”

Note This is a Report only for Troubleshooting
purposes.

AF Re-Optimization Timer Time
Remaining- CVHE/F/G Only

The following is displayed only if the Starter Type is
“Adaptive Frequency” or “AFDB” or the Compressor
Power Source is Engine/Generator.

AF Re-Optimization Time Remaining:x.xx Hrs

Press (+)(-) to Change Setting

Note This is a Report only for Troubleshooting
purposes.

60 CVHE-CLD-1A

Diagnostics Menu

Strike Diagnostic Key

Diagnostics Menu

The Diagnostics Group is where all diagnostics, both
historical and active are presented. The group also
contains the facility to clear active diagnostics,
historic diagnostics, and purge diagnostics as
individual groups. To clearly annunciate the

Diagnostic Occurs

(IFW,MAR,MMR)

occurrence of a diagnostic, the display will
automatically go to this menu and display certain
messages as explained below. The following
illustration gives an overview of how the diagnostic
key and screens below it work.

Header Screens

New Diagnostic Screen

Operating Mode Screen for the
last diagnostic

Set of Screens for the 1st Diag.

Set of Screens for the nth Diag.

Diagnostics Group Heading

Active & Historic Diagnostics

Press (Next)(Previous) To Continue

Menu Settings Password

If the Menu Settings Password is Enabled in the
Service Setup Group, following each setting group
heading the following will be displayed:

Settings In This Menu Are [status]

[password message]

Screen(s) to Clear Diagnostics

Likewise, if the Menu Settings Password is Disabled
in the Service Setup Group, the above screen will not
appear.

The possible values for status are “Locked” or
“Unlocked”. If the password status is locked, the
password message will be “Enter Password to
Unlock”. The user will then depress “-+-+-+” followed
by the <Enter> key. The password keystrokes will be
echoed to the screen as a visual aide. The last six
keystrokes represent the current password, and up
to twenty keystrokes can be entered. An incorrect
password, or the twenty-first keystroke will result in
the password message “Invalid Password”.

If the password status is unlocked, the password
message will be “Press (Enter) to Lock”. Any attempt
to change the setting will result in the message
“Setting is Locked”. The password, once entered, will
remain valid until canceled.

Information Manual 61

Diagnostics Menu

Diagnostics and Annunciation

If there are no diagnostics present, only the following
screen will be displayed under the Diagnostics Group
heading screen.

No Diagnostics Present

Press (Next) (Previous) To Continue

If there are any diagnostics present, the following 3
screens are displayed sequentially when the <Next>
key is pressed. The first screen is:

Diagnostic Report Follows

Press (Next) For More

The second screen is:

Press (Enter) To Display Operating Mode

At Time Of LastDiagnostic or(Next)For More

The third screen is the chiller operating mode display
that was present at the time that the most recent
diagnostic occurred.

If there are one or more diagnostics present, the
following displays will be inserted into the display
sequence. Diagnostics will be listed in order of
occurrence from newest to oldest. Diagnostics will be
displayed on 2 screens. The two screens will vary
slightly depending on whether the diagnostic is active
or historic.

The first active diagnostic screen will be:

MAR diagnostics)

The second active diagnostic display screen will
contain the diagnostic sequence number, a time and
date stamp, and a help message suggesting possible
service procedures. The second active diagnostic
display screen will be:

[sn] occurred at HH:MM xm Mon xx, 199x

[help message]

The time will be displayed as xx:xx am/pm.

The date will be displayed as month - date- year.

The month will use a standard 3-letter abbreviation.
The year will not be abbreviated.

Depressing the next key will advance the display to
the next diagnostic in the sequence.

The first historic diagnostic screen will be:

[sequence number] [Diagnostic]

Historic Only, Press (Next) For More

The definitions of diagnostic and sequence number
are the same as for the active diagnostic messages.
If <Next> is pressed the second historic diagnostic
screen is displayed. The second historic diagnostic
screen will be:

[sn] occurred at HH:MM xm Mon xx, 199x

Historic Only, Reset At End Of Diag Menu

Up to 20 diagnostics will be displayed.

[sequence number] [diagnostic]

(Next) [diagnostic type]

The sequence number will run from 1 through n (n <=

20) and number the diagnostics sequentially where
the most recent diagnostic is sequence number [01].

The possible replacements for “diagnostic type” are:

Clearing Diagnostics

At the end of the diagnostic menu, there will be 4
screens that allow the user to Clear/Reset the
different diagnostic groups.

If any active diagnostics are present, the following
screen will be displayed:

Warning Only - Reset Not Reqd (Applies to all
IFW diagnostics.)

Unit Shutdown - Reset Reqd (Applies to all MMR
diagnostics)

Press (Enter) To Clr Active Diagnostics

And Shutdown / Reset System

Unit Shutdown - Automatic Reset (Applies to all

62 CVHE-CLD-1A

Diagnostics Menu

If the <Enter> key is pressed, the following message
is displayed for 2 seconds:

Active Diagnostics Have Been Cleared

System Is Resetting

The display will be reset to the operating mode
screen of the chiller report after this message clears.

If any historic diagnostics are present, the following
screen will be displayed:

Press (Enter) To

Clear Historic Diagnostics

If the <Enter> key is pressed, the following message
is displayed for 4 seconds:

Historic Diagnostics Have Been Cleared

Diagnostic Report Is Being Reset

The display will be reset to the top of the Diagnostic
Menu after this message clears.

If any purge diagnostics are present, the following
screen will be displayed:

Note: Pressing <+> will silence the audible alarm.
The IPC refrigerant monitor will cause all the
refrigerant monitor alarms (diagnostics) to become
non-latching for approximately 7.5 seconds. This
allows any latching alarms to clear if the trip condition
has been removed. This clearing function differs from
the balance of UCP2 in that the balance of UCP2
diagnostics are cleared on reset and reestablished if
the trip condition is still present.

If the <+> key is pressed, the following message is
displayed for 4 seconds:

Silencing Rfgt Mon Audible Alarm

Clearing Nonactive Rfgt Alarms

New Diagnostic Display

When a new diagnostic is sensed by the system, the
display will reset to the diagnostic menu. A “one­time” screen will be displayed to inform the user that
a new diagnostic has been detected. This screen will
vary depending on the type of diagnostic detected.
The two major categories of diagnostics are those
which are informational only, and those which have
resulted in machine shutdown.

If the diagnostic is an MMR/MAR, the screen will be:

Press (Enter) To

Clear Purge Diagnostics

If the <Enter> key is pressed, the following message

*** A MACHINE SHUTDOWN HAS OCCURRED ***

Press (Next) For More

Otherwise, the screen will be:

is displayed for 4 seconds:

A New Warning Has Been Detected

Purge Diagnostics Have Been Cleared

Press (Next) For More

Diagnostic Report Is Being Reset

This screen will be inserted into the diagnostic menu

The display will be reset to the top of the Diagnostic
Menu after this message clears.

directly after the “Diagnostic Report Follows” screen.
Pressing <Next> will therefore take the user to the
“Press (Next) to display operating mode at time of

If any IPC refrigerant monitor diagnostics are
present, the following screen will be displayed:

last diagnostic” screen. If <Next>or <Previous> is
pressed, this screen will no longer be in the display
sequence.

Press (+) To

Silence Rfgt Mon Audible Alarm

Information Manual 63

Diagnostics Menu

Diagnostics

In the table following, a “Latching” diagnostic is a
condition which will cause the machine or a portion of

Diagnostic Types And Action

MMR = Machine Shutdown - Manual Reset

MAR = Machine Shutdown - Auto Reset

the machine as noted to shut down and will require a
manual reset to restore operation. A diagnostic that
is non-latching is reset automatically when the

IFW = Information Warning - May affect machine
operation; lowest level of diagnostic

condition causing the diagnostic goes away. A non­latching diagnostic will shut down the machine or a
part of the machine if so indicated. If a diagnostic is
information only, no machine action is taken.

Unless otherwise stated, all active diagnostics will be
lost on loss of power.

Remotely Resettable Diagnostics:

Except for the following, all diagnostics can be reset
remotely from either the Remote Clear Language
Display, the Tracer, or the External Diagnostic Reset
input at the Options Module. The following
diagnostics shall only be resettable ONLY at the
Local Clear Language Display, e.g. with the operator
standing at the unit.

Table 5

Can Be

DIAGNOSTIC DESCRIPTION

Starter Contactor Interrupt Failure MMR No

Low Evap Rfgt Pressure MMR No

Phase Loss MMR No

Phase Reversal MMR No

High Bearing #1 Temp MMR No High Motor Temp Position #3 MMR No

High Bearing #2 Temp MMR No Severe Phase Unbalance MMR No

Current Overload MMR No Starter Fault Type I MMR No

Cprsr did not Accelerate: Shutdown MMR No

Starter did not Transition MMR No Starter Fault Type II MMR No

High Pressure Cutout Tripped MMR No Starter Fault Type III MMR No

Low Evap Rfgt Temp. MMR No Cprsr did not Accelerate Fully MMR No

Emergency Stop Input MMR No High Cprsr Discharge Temp. MMR No

Starter Dry Run Test MMR No Phase Seq Monitor: Phase Reversal MMR No

Solid State Starter Fault Rly Open MMR No Transition Complete Input Shorted MMR No

Adapt Freq Drive Fault Relay Open MMR No At Speed Input Shorted MMR No

High Motor Temp Position #1 MMR No Transition Complete Input Opened MMR No

High Motor Temp Position #2 MMR No At Speed Input Opened MMR No

Diag
Type

Remotely

Reset DIAGNOSTIC DESCRIPTION

Diag

Type

Can Be

Remotely

Reset

64 CVHE-CLD-1A

Table 6
Diagnostic Table

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Adapt Freq Drive Fault Relay
Open

Diag
Type

MMR Starter All Start

Module

that

Called

Diag.

Diag.

Active

Modes

and Run

CAUSE Help Message

The Adaptive Frequency Drive fault relay is
open.

Mode

At Speed Input Shorted MMR Starter Pre-Start a. Using either a Solid State Starter or an

Adaptive Frequency Drive, the Up to Speed/At
Speed input was found to be shorted before the
compressor was started.
b. Applies only to Solid State Starters and
Adaptive Frequency Drives.

At Speed Input Opened MMR Starter All

Running
Modes

a. The At Speed input was found to be opened
with the compressor motor running after
successfully obtaining at speed condition.
b. Applies only to Solid State Starters.

Aux/Ht Rcvry Ent Water Temp
Sensor

Aux/Ht Rcvry Lvg Water Temp
Sensor

IFW Options All Open or shorted and Heat Recovery is installed

(at the CLD).

IFW Options All Open or shorted and Heat Recovery is installed

(at the CLD).

Bearing Temp Sensor #1 MMR Stepper All Open or Short, only if this option is enabled at

the Human Interface.

Bearing Temp Sensor #2 MMR Stepper All Open or Short, only if this option is enabled at

the Human Interface.

Check Clock IFW Chiller All On loss of power the clock does not keep time, if

there is an extended power loss (greater than 15
seconds) this diag. is also generated to alert the
operator to check the clock.

Check Oil Filter IFW Chiller All

Running
Modes

a. The differential oil pressure fell below the
Check Oil Filter Setpoint for 1000 psid-seconds
and the Check Oil Filter Diagnostic setpoint is
enabled.
b. This diagnostic shall not be active for 15
minutes after the compressor is started.
c. This IFW diagnostic will automatically reset
when the differential oil pressure rise above the
Check Oil Filter Setpoint for 1000 psid-seconds
or the compressor is not running.

See Adaptive
Frequency Drive
Service Bulletin,
check for an
open wire.

Check End of
Limt/At Speed
Input

Check End of
Limt/At Speed
Input

Check Sensor,
Wiring, and
Connections

Check Sensor,
Wiring, and
Connections

Check Sensor,
Wiring And
Connections

Check Sensor,
Wiring And
Connections

Check Main
Power Supply,
Reset Clock

Information Manual 65

Diagnostics Menu

Diag

Type

DIAGNOSTIC DESCRIPTION

Chilled Water Flow Lost MAR Chiller Chilled

Module

that

Called

Diag.

Diag.

Active

Modes

Water
Control:
(All Stop
modes)
All modes
except

CAUSE Help Message

a. The chilled water flow switch input was open
for more than 6-10 contiguous seconds.
b. 6-10 seconds of contiguous flow shall clear
this diagnostic.
c. Even though the pump times out in the STOP
modes, this diagnostic shall not be called out in

the STOP modes.
STOP
(00) and
EXTERN
AL STOP
(100)

Hot
Water
Control:
Start and
All Run
Modes.

Chiller: Loss of Comm with
Purge

Chiller: Loss of Comm with
Starter

Chiller: Loss of Comm with
Options

IFW Chiller All The chiller module lost communications with the

Purge module for 15 contiguous seconds.

MMR Chiller All The chiller module lost communications with the

Starter module for 15 contiguous seconds.

IFW Chiller All The chiller module lost communications with the

Options module for 15 contiguous seconds. This

IFW diagnostic is generated if Free Cooling is

Not Installed, otherwise this is an MMR diag.

under code 2F6

Chiller: Loss of Comm with
Circuit

Chiller: Loss of Comm with I/O
Mod

MMR Chiller All The chiller module lost communications with the

Circuit module for 15 contiguous seconds.

IFW Chiller All The chiller module lost communications with the

I/O module for 15 contiguous seconds; And

HGBP is installed (at the CLD).

Chiller: Loss of Comm with I/O
Mod

MMR Chiller All The chiller module lost communications with the

I/O module for 15 contiguous seconds; And

Pulsed IGV is installed (at the CLD).

Chiller: Loss of Comm with DCM IFW Chiller All The DCM was setup as “installed” at the CLD

and the chiller module lost communications with

the DCM module for 15 contiguous seconds

Chiller: Loss of Comm with
Stepper #1

Chiller: Loss of Comm with
Local CLD

MMR Chiller All The chiller module lost communications with the

Stepper #1 module for 15 contiguous seconds.

IFW-AR Chiller All The chiller module lost communications with the

LCLD module for 15 contiguous seconds.

Note: As implemented this is a
latching IFW diagnostic. That is,
once generated it cannot be re­generated until a manual reset
is done.

Chiller: Loss of Comm with
Options

MMR Chiller All The chiller module lost communications with the

Options module for 15 contiguous seconds. This

MMR diagnostic is generated if Free Cooling is

Installed, otherwise this is an IFW diag. under

code 2AE

Check Pump,
Valves, Flow
Switch

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

66 CVHE-CLD-1A

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Chiller: Loss of Comm with
Rfgt Monitor

Diag
Type

IFW-AR Chiller All The Chiller module lost communications with the

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

Refrigerant Monitor for 15 contiguous seconds.

Chiller: Loss of Comm with TCI IFW Chiller All The Tracer was setup as “installed” at the CLD

and the chiller module lost communications with
the TCI (comm 3 or comm 4) module for 15
contiguous seconds

Chiller Mod Off-Brd 5V Range IFW Chiller All An improper Off Board 5v voltage was detected

at the Chiller Module. A 5vdc is used for off­board devices such as the pressure transducers.
The micro checks to see that the A/D value falls
within an acceptable range.

Chiller Mod Ref Voltage
Calibration

IFW Chiller All An improper reference voltage was detected at

the Chiller Module. A 2.5 vdc reference is used
to calibrate the non-ratiometric analog I/O such
as 2-10vdc and 4-20ma inputs as well as PWM
Analog outputs. The micro checks to see that the
A/D value falls within an acceptable range.

This diagnostic has not been implemented

Chlr Sat Cond Temp Sensor
(Purge)
(As Sensed by the Purge
module in Retrofit applications)

Circuit: Loss of Comm with
Starter

Circuit: Loss of Comm with
Chiller

IFW Purge All Open or Shorted Sensor

a. Applies to Retrofit applications of the Purge
Only. Does not apply to UCP2 applications.
b. IFW to the chiller, MMR to the Purge.

MMR Circuit All The circuit module lost communications with the

Starter module for 15 contiguous seconds.

MMR Circuit All The circuit module lost communications with the

Chiller module for 15 contiguous seconds.
On loss of communications, the circuit module
shall run the oil pump for the post lube time and
then turn the oil pump off. On loss of
communications, the circuit module shall
continue to control the oil heater.

Circuit Module 24 Vdc Ref
Missing

IFW Circuit All 24vdc reference missing and the Rfgt monitor is

installed.

Circuit Mod Off-Brd 5V Range MMR Circuit All An improper Off Board 5v voltage was detected

at the Circuit Module. A 5vdc is used for off­board devices such as the pressure transducers.
The micro checks to see that the A/D value falls
within an acceptable range.

Circuit Mod Ref Voltage
Calibration

IFW Circuit All An improper reference voltage was detected at

the Circuit Module. A 2.5 vdc reference is used
to calibrate the non-ratiometric analog I/O such
as 2-10vdc and 4-20ma inputs as well as PWM
Analog outputs. The micro checks to see that the
A/D value falls within an acceptable range.

Cond Diff Water Press
Transducer

IFW Options All Input Shorted or Open and the Diff. water

pressure sensing option, > 150 psig, is “installed”
at the CLD.

Cond Entering Wtr Temp

IFW Chiller All Open or Short Check Sensor,

Sensor

Cond Leaving Wtr Temp Sensor See

Descripti
on

Chiller All Open or Short.

a. IFW on Chilled Water Control
b. MMR on Heat Pump (Hot Water) Control.

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check Chiller
Module Voltages

Check Chiller
Module Voltages

Purge Inop: See
Purge O & M
Manual

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check Rfgt
Monitor Wiring/
24 Vdc Supply.

Check Circuit
Module Voltages

See
Troubleshooting
Service Bulletin

Check Sensor,
Wiring, and
Connections

Wiring And
Connections

Check Sensor,
Wiring And
Connections

Information Manual 67

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Condenser Rfgt Pressure
Sensor

Diag

Type

MMR Circuit All Open or Short.

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

Must Hold on open AND short input is 2.0 Psia.

Design: Both opens and shorts result in the

Check Sensor,
Wiring And

Connections
pressure going to the low end of the scale.
Therefore a Must Hold on the high pressure end
is not required.

Condenser Rfgt Temp Sensor MMR Stepper All Open or Short Check Sensor,

Wiring And

Connections

Condenser Water Flow Lost MAR Chiller Chilled

Water
Control:
Start and
All Run
Modes.
Hot

a. The chilled water flow switch input was open
for more than 6-10 contiguous seconds.
b. 6-10 seconds of contiguous flow shall clear
this diagnostic.
c. Even though the pump times out in the STOP
modes, this diagnostic shall not be called out in
the STOP modes.

Check Pumps,

Valves, Flow

Switch

Water
Control:
(All Stop
modes)

Condenser Water Flow Overdue MAR Chiller Estab.

Cond
Water

Condenser water flow was not proven within

4.25 minutes of the condenser pump relay being
energized.

Check Pump,

Valves, Flow

Switch

Flow

Condenser Water Pressure
Sensor

Cprsr did not Accelerate:
Shutdown

IFW Chiller All Open or Short and the Cond Water Pressure

Sensor is setup as installed at the Clear
Language Display.

MMR Starter Start

Mode

a. The compressor did not come up to speed in
the allotted time defined by the Maximum
Acceleration Timer.

Check Sensor,

Wiring, and

Connections

Check Main

Power Supply &

Wiring
b. The Human Interface setups defined
“Shutdown” as the action when the Maximum
Acceleration Timer was exceeded.

Cprsr did not Accelerate Fully MMR Starter Starting a. Using either a Solid State Starter or an

Adaptive Frequency. Drive the UCM did not
receive an Up to Speed or At Speed Signal

Check End of

Limt/At Speed

Input
within the Maximum Acceleration Timer Setting.
b. Applies only to Solid State Starters and
Adaptive Frequency. Drives.

Cprsr Did Not Accelerate:
Transition
(The Motor is put across the
line.)

IFW Starter Start

Mode

a. The compressor did not come up to speed in
the allotted time defined by the Maximum
Acceleration Timer.
b. The Human Interface setups defined

See

Troubleshooting

Service Bulletin

“Transition” as the action when the Maximum
Acceleration Timer was exceeded.

Current Overload MMR Starter All

Running

Motor current exceeded overload time vs. trip
characteristic.

Modes

Current Overload Setpts Error IFW Starter All a. The redundant overload settings did not agree

for 30 contiguous seconds. (Continue to use the

Check Main

Power Supply &

Wiring

Review

Overload Set Up
previous value for the 30 second timeout.) When
this diagnostic occurs the affected Starter
Module shall use the minimum (00000 binary, 00
decimal) overload setting as a default until either
the UCM is reset or, if the redundant settings
agree again, the starter module can go back to
using the actual setting.

68 CVHE-CLD-1A

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

CWS/Leaving Wtr Temp. Cutout
Setpt Overlap

also overlap of CWS and Low
Refrigerant Temp Cutout.

Diag
Type

None None All No diagnostic, limit value to last legal value and

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

tell the operator about it on the second line of the
display.
NOTE: The above is not a diagnostic because
you don't want the display vectoring you to a
different display state when you are trying to set
either the chilled water setpoint or the leaving
water temp. cutout setpoint as it will in the case
of a diagnostic.

DCM: Loss of Comm with Chiller AIFW Chiller All The DCM module lost communications with the

chiller A Chiller module for 15 contiguous
seconds

DCM: Loss of Comm with Chiller BIFW Chiller All The DCM module lost communications with the

chiller B Chiller module for 15 contiguous
seconds

DCM: Loss of Comm with
Starter A

IFW Chiller All The DCM module lost communications with the

chiller A Starter module for 15 contiguous
seconds

DCM: Loss of Comm with
Starter B

IFW Chiller All The DCM module lost communications with the

chiller B Starter module for 15 contiguous
seconds

DCM: Loss of Comm with TCI A IFW Chiller All The DCM module lost communications with the

chiller A TCI module for 15 contiguous seconds

DCM: Loss of Comm with
Stepper A

IFW Chiller All The DCM module lost communications with the

chiller A Stepper module for 15 contiguous
seconds

Differential Oil Pressure
Overdue

MMR Circuit Pre-Lube A differential oil pressure 0f 9 psid was not

established within 3 minutes of starting the Oil
Pump in the Pre-Lube Mode.
Design: Some hysteresis was introduced into
this diagnostic. 9 psid is the criteria to establish
pre-lube oil flow and 8 psid is used to define a
loss of oil flow on pre-lube.

Differential Oil Pressure Switch
(CVGD and CVAD units only)

MMR Circuit Pre-Lube Just prior to starting the oil pump the Differential

Oil Pressure Switch is checked to be sure it's
contacts are open (not stuck or jumpered), if not
set this diagnostic.

Discharge Temp Sensor MMR Stepper All Open or Short, only if HGBP and the Discharge

Temp. Sensor is called out as “Installed” at the
Human Interface.

Emergency Stop Input MMR Chiller All a. EMERGENCY STOP input is open. An

external interlock has tripped. Time to trip from
input opening to unit stop shall be 0.1 to 1.0
seconds.

Evap Diff Water Press
Transducer

IFW Options All Input Shorted or Open and the Diff. water

pressure sensing option, > 150 psig, is “installed”
at the CLD.

Evap Entering Wtr Temp Sensor IFW Chiller All Open or Short

a. Normal operation, no effects on control.
b. Chilled Water Reset, Will just run at either
normal CWS or will run at maximum reset
permitted.

Evap Leaving Water Temp

MMR Chiller All Open or Short Check Sensor,

Sensor

N/A

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

See
Troubleshooting
Service Bulletin

Check Oil
Pressure
Switch/Wiring.

Check Sensor
Wiring And
Connections

Check
Emergency Stop
Input Device

Check Sensor,
Wiring, and
Connections

Check Sensor,
Wiring And
Connections

Wiring And
Connections

Information Manual 69

Diagnostics Menu

Diag

Type

DIAGNOSTIC DESCRIPTION

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

Evap Rfgt Temp Sensor MMR Stepper All Open or Short Check Sensor,

Wiring And

Connections

Evap Water Pressure Sensor IFW Chiller All Open or Short and the Evap Water Pressure

Sensor is setup as installed at the Clear
Language Display.

Evaporator Water Flow Overdue MAR Chiller Estab.

Evap.
Water

Evaporator water flow was not proven within

4.25 minutes of the Evaporator pump relay being
energized.

Check Sensor,

Wiring, and

Connections

Check Pump,

Valves, Flow

Switch

Flow on
going
from
STOP to
AUTO.

Extended Compressor Surge MMR Starter All

Running
Modes

An extended Surge condition was detected and
the Surge protection feature was Enabled at the
Clear Lang. Display. An extended Surge

Check

Condenser

Water Temp.
condition is defined being in a “continuous”

10% minutes.

Check Main

Power Supply &

Wiring

Extended Power Loss

Note: This diagnostic and the
functions tied to it are handled
by the Check Clock diagnostic.

surge condition for 15 +

IFW Starter All The unit lost power for an extended period of

time. On CTV units if power is lost for an
extended period of time the oil pump is not run
on Power Up. If a power loss is determined to be
a Momentary Power Loss the Oil Pump is run on
the Power Up to Post Lube the bearings. The
deciding factor determining if a power loss is
Extended or Momentary is TBD.

External Base Load Setpoint IFW-AR Chiller All a. Not “Enabled”: no diagnostics.

b. “Enabled“: Out-Of-Range Low or Hi, set

Check Signal At

Input
diagnostic, Terminate external base loading
function. This IFW diagnostic will automatically
reset if the input returns to the normal range.

External Chilled Water Setpoint IFW-AR Options All a. Not “Enabled”: no diagnostics.

b. “Enabled“: Out-Of-Range Low or Hi, set

Check Signal At

Input
diagnostic, default CWS to next level of priority
(e.g. Front Panel SetPoint). This IFW diagnostic
will automatically reset if the input returns to the
normal range.

External Current Limit Setpoint IFW-AR Options All a. Not “Enabled”: no diagnostics.

b. “Enabled“: Out-Of-Range Low or Hi, set

Check Signal At

Input
diagnostic, default CLS to next level of priority
(e.g. Front Panel SetPoint. This IFW diagnostic
will automatically reset if the input returns to the
normal range.

External Hot Water Setpoint IFW-AR Options All a. Not “Enabled”: no diagnostics.

b. “Enabled“: Out-Of-Range Low or Hi, set

Check Signal At

Input
diagnostic, default HWS to next level of priority
(e.g. Front Panel SetPoint). This IFW diagnostic
will automatically reset if the input returns to the
normal range.

External Vane Position Setpoint MMR Chiller All a. Not “Enabled”: no diagnostics.

b. “Enabled“: Out-Of-Range Low or Hi, set

Check Signal at

Input
diagnostic.

70 CVHE-CLD-1A

Diagnostics Menu

Diag
Type

DIAGNOSTIC DESCRIPTION

Free Cooling Valves MMR Options When

Module

that

Called

Diag.

Diag.

Active

Modes

exiting
Free
cooling

CAUSE Help Message

a. The Free Cooling Valves were commanded to
close and did not close in the three minutes
allowed for closure. And FC is installed (at the
CLD) and commanded off.
b. The Free Cooling Valves were commanded to
open and did not open in the three minutes
allowed for closure. And FC is installed (at the
CLD) and commanded On.

Heat Sink Temp Sensor IFW Starter All Open or Short and Solid State Starter installed.

Note: The Solid State Starter is expected to be
protected from overheating via a thermal cutout.
Since this sensor is not used to protect the
starter, the failure of the sensor is treated as an
IFW.

HGBP Valve Closure Overdue IFW a. The HGBP Valve was commanded to close

and did not close in the three minutes allowed for
closure

High Bearing #1 Temp MMR Stepper All

starting
and
running
modes

a. The bearing temperature at sensor #1
exceeded 180 + or - 5 °F (82.2 °C) for 0.5 - 2
seconds (Note: BT, WT, and DT may be
“instantaneous trip” but consistent with the
analog input filtering function.), and
b. This function is enabled at the CLD.

High Bearing #2 Temp MMR Stepper All

starting
and
running
modes

a. The bearing temperature at sensor #2
exceeded 180 + or - 5 °F (82.2 °C) for 0.5 - 2
seconds (Note: BT, WT, and DT may be
“instantaneous trip” but consistent with the
analog input filtering function.), and
b. This function is enabled at the Human
Interface.

High Cprsr Discharge Temp. MAR Stepper All a. The discharge temp. exceeded the trip value;

200°F + or - 5°F for CVHE/F, CVG and CVA.
The Discharge Temp Cutout is adjustable at the
Human Interface. See also section
P4_CPRSR.Doc of this Functional Specification.
b. Time to trip from trip value exceeded shall be

0.5 to 2.0 seconds. (Note: BT, WT, and DT may
be “instantaneous trip” but consistent with the
analog input filtering function.)
d. The diag. shall reset automatically 50 °F
below the trip point.

High Motor Temp Position #1 MMR Circuit Any Start

and Run
Mode

The Motor winding temp. at sensor #1 exceeded
265 °F + or - 15°F for 0.5 - 2 seconds. (Note: BT,
WT, and DT may be “instantaneous trip” but
consistent with the analog input filtering
function.)

High Motor Temp Position #2 MMR Circuit Any Start

and Run
Mode

The Motor Winding Temp. at sensor #2
exceeded 265 °F + or - 15 °F for 0.5 - 2 seconds.
(Note: BT, WT, and DT may be “instantaneous
trip” but consistent with the analog input filtering
function.)

High Motor Temp Position #3 MMR Circuit Any Start

and Run
Mode

The Motor Winding Temp. at sensor #3
exceeded 265° F + or - 15° F for 0.5 - 2 seconds.
(Note: BT, WT, and DT may be “instantaneous
trip” but consistent with the analog input filtering
function.)

Check Clsd End­Switches,
Valves, Wiring

Check Sensor
Wiring And
Connections

Check Clsd End­Switches,
Valves, Wiring

Check Oil
System

Check Oil
System

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

Information Manual 71

Diagnostics Menu

Diag

Type

DIAGNOSTIC DESCRIPTION

High Oil Temp MMR Circuit All

Module

that

Called

Diag.

Diag.

Active

Modes

starting
and
running
Modes

CAUSE Help Message

UCP2 shall provide a fixed High Oil Temperature
Cutout of 180 °F (82.2°C). If the oil temperature
violates the cutout by 120 degree F seconds
(66.6 degree C seconds) an MMR diagnostic
shall be generated.

High Pressure Cutout Tripped MMR Circuit All A high pressure cutout was detected. See the

trip points for the various products under the
HPC switch description of this specification.

High Restart Inhibit Timer
Warning

IFW Starter All The Restart Inhibit timer has reached a

maximum threshold for the host chiller. For CTV
chillers this is 45 minutes. This indicates
excessive chiller cycling, steps should be taken
to correct this.

High Vacuum Lockout MMR Circuit Pre-Start The Oil Tank Pressure transducer shall be used

to sense for very low pressures in all Non­running cprsr modes.

IGV BPI Not Found During
Search

IFW Stepper All The Inlet Guide Vane Actuator Binary Position

Indicator was not found over the entire stroke of
the IGV during the BPI search.

IGV BPI Found Low During
Search

IFW Stepper All The Inlet Guide Vane Actuator Binary Position

Indicator was found too low in the stroke of the
IGV during the BPI search.

IGV BPI Shorted IFW Stepper Pre-Start At what is believed to be a closed position, the

IGV BPI was found to be shorted.

IGV Electrical Drive Circuit
Open

MMR Stepper On

Demand
and

Run the IGV Actuator electrical drive circuit test
both on demand from the human interface and
just before the chiller starts.

Pre-Start

Incorrect Chiller Software
Installed

MMR Chiller All The incorrect Eprom was loaded into this

module. This diagnostic is detected when a
factory test computer sets the unit type to
something other than what the Eprom software
was intended for.

Incorrect Stepper Software
Installed

MMR Stepper All The incorrect Eprom was loaded into this

module. This diagnostic is detected when a
factory test computer sets the unit type to
something other than what the Eprom software
was intended for.

Inlet Guide Vane Closure
Overdue

IFW I/O All Non-

running
modes,

a. The inlet guide vanes were commanded to
close and did not close in the three minutes
allowed for closure.

Starting,
Pre-Stop
(IGV
manual
modes)

I/O Mod: Loss of Comm with
Chiller

IFW I/O All The I/O module lost communications with the

Chiller module for 15 contiguous seconds.

Invalid Starter Selection MMR Starter All Modes The Cld has been setup for an AFD starter type,

however the starter module is not AFD
compatible.
(Note: This feature is not supported by
hardware.) (Special Note not for Publishing; See
Starter Module Design Specification for
requirements to enable AFD operation.)

Check Oil

System

Check

Condenser

Water Temp.

Check for

Excessive

Chiller Cycling

See

Troubleshooting

Service Bulletin

See

Troubleshooting

Service Bulletin

Check Stepper

Module, Wiring,

& Motor

Check Sensor,

Wiring, and

Connections

See

Troubleshooting

Service Bulletin

(No message is

required.)

(No message is

required.)

Check Clsd End-

Switches,

Vanes, Wiring

Check IPC

Wiring/

Connections

Call Local Trane

Service Agency

72 CVHE-CLD-1A

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Low Chilled Water Temp: Unit
Off

Diag
Type

IFW-AR Chiller Unit in

Module

that

Called

Diag.

Diag.

Active

Modes

Auto and

No Ckt's
(Unit in Auto but not Starting or
Running)

Energize

d (Any

Ckt(s)

Energize

d)

Low Chilled Water Temp: Unit
On

MAR Chiller Any

Ckt(s)

Energize
(Unit Starting or Running)

d

(No Ckt's

Energize

d)

Low Differential Oil Pressure MMR Circuit All

starting

and

running

Modes

Low Evap Rfgt Temp. MMR Stepper Starter

Contactor

Energize

d or in

Free

Cooling

Low Evap.Water Flow
(To be implemented in CTV
Phase C release and ABS
Phase B release.)

IFW-AR Chiller Chiller

Auto and

All

Running

Modes

Low Oil Temp MAR Circuit All Non-

running

Modes.

CAUSE Help Message

a. The chilled water temp. fell below the cutout
setpoint while the compressor (or Solution
Pump) was not running for 30 degree F
Seconds. Automatic Reset of the IFW dig shall
occur 2 degrees F (1.1 °C) above the cutout
setpoint.

a. The chilled water temp. fell below the cutout
setpoint while the compressor (or Solution
Pump) was running for 30 degree F Seconds.
Automatic Reset of the MAR diag shall occur 2
degrees F (1.1 °C) above the cutout setpoint.

Pre-Lube Mode on CVHE/F Chillers:

a. See Diagnostic 1FF.

Start & Run Mode on CVHE/F Chillers:

a. If during these modes the Differential oil
pressure drops below 9 PSID for more than 90
Psid Seconds, an MMR diagnostic shall be
generated. The 90 Psid Seconds integral shall
be reset to zero when the differential pressure
rises above 9 psid.

Pre-Lube Mode on CVGD/CVAD Chillers:

a. See Diagnostic 1FF.

Start & Run Mode on CVGD/CVAD Chillers:

a. While Starting and Running, if the differential
oil pressure switch opens for more than 3-5
seconds, generate an MMR diagnostic.

a. The Saturated Evap Rfgt Temp dropped
below
the Low Rfgt Temp. Cutout Setpoint when the
circuit was running for 30 °F seconds.

a. The evap. water flow measurement option
was installed and the flow dropped to a setpoint
set at the CLD. This IFW shall be Auto Reset
and reset 0.1 gpm/ton above the adjustable trip
point or when the Evaporator pump is turned off.
b. There shall be a 2 minute delay in permitting
this diagnostic to be called out from the time the
evap pump has been turned on AND flow has
been established/confirmed via the flow switch
input.
c. This is not necessarily active in a Manual On
of the Evaporator pump. That is, if the chiller is in
the Stop mode and the Evap. Relay is manually
turned on, this diagnostic shall not be active.
(Manual On is not taken into account.)

The oil temperature dropped below it's
adjustable Low Oil Temp. Cutout.
(“Instantaneous trip” but consistent with the
analog input filtering function.) See Section
P4_CPRSR for further description of this
diagnostic. Automatic Reset of the MAR diag
shall occur 5 degrees F (2.8 °C) above the
cutout setpoint.

Check Flow,
Sensor, & Wiring

Check Flow,
Sensor, & Wiring

Check Oil
System

Check
Operation, Call
Service

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

Information Manual 73

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Max Acceleration Setpts
Error

Diag

Type

IFW Starter All a. The redundant Maximum Acceleration

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

settings did not agree for 30 contiguous
seconds. (Continue to use the previous value for
the 30 second timeout.) When this diagnostic
occurs the affected Starter Module shall use 6
seconds as a default until either the UCM is
reset or, if the redundant settings agree again,
the starter module can go back to using the
actual setting.

Max Pumpout Rate Exceeded-

IFW Purge All a. IFW to the chiller, MAR to the Purge. Purge Inop: See

Svc (Prg)

Max Pumpout Rate Exceeded

IFW Purge All a. IFW to the chiller, MAR to the Purge. Purge Inop: See

(Prg)

Memory Error Type I: NOVRAM MMR Chiller On UCM

Power Up
or
following
a Type II
Memory
error
diag.

a. On UCM either power up or following a Type II
Memory Error a NOVRAM memory error was
detected. The UCM is operating on all
Engineering Factory defaults for all setup
parameters. Check all setup parameters and
continue to run chiller. Replace the Chiller
Module as soon as a replacement is available.
Note: It is expected that this diagnostic will be
detected on the very first power up of the Chiller
Module at the Manufacturer since the NOVRAM
will not contain valid data on first power up.

Memory Error Type IV IFW Chiller All A page timeout error was detected while trying to

write data into EEPROM. There will likely be a
recall of Engineering Factory defaults on the
next reset or power transition. Replace the
Chiller Module as soon as a replacement is
available.

Memory Error Type II: Shadow
RAM

IFW Chiller All a. A Shadow RAM memory error was detected.

The UCM is operating on all last valid values
(pulled from NOVRAM) for all setup parameters.
No setup parameter changes were pending to be
loaded into NOVRAM, a complete recovery of all
setup parameters was made and there is no
need to check unit setup parameters.
Compressor starts and hour were lost for not
more than the last 24 hours. This is expected to
be an isolated event and repair or replacement is
not required. If this diagnostic does occur
repeatedly, then replace the Chiller module.

Memory Error Type III IFW Chiller All a. A Shadow Ram memory error was detected.

The UCM is operating on all last valid values
(pulled from NOVRAM) for all setup parameters.
Setup parameter changes less than 24 hours old
pending to be loaded into NOVRAM were lost.
Check all setup parameters made in the last 24
hours. Compressor starts and hours were lost for
not more than the last 24 hours. This is expected
to be an isolated event and repair or
replacement is not required. If this diagnostic
does occur repeatedly, then replace the Chiller
module.

Review Max
Acceleration Set
Up

Purge O & M
Manual

Purge O & M
Manual

Call Service to
Check all
Settings

Call Service to
Check all
Settings

No Settings
Were Lost

Settings
Changed in The
Last 24 Hours
Lost

74 CVHE-CLD-1A

Diagnostics Menu

Diag
Type

DIAGNOSTIC DESCRIPTION

Momentary Power Loss MAR Starter All

Module

that

Called

Diag.

Diag.

Active

Modes

Running

Modes

CAUSE Help Message

Determine
Cause Of Power

Interruption
(Start
Mode,
e.g.
Before
Transition

Motor Temp Sensor #1 MMR Circuit All Open or Short Check Sensor,

Wiring And

Connections

Motor Temp Sensor #2 MMR Circuit All Open or Short Check Sensor,

Wiring And

Connections

Motor Temp Sensor #3 MMR Circuit All Open or Short Check Sensor,

Wiring And

Connections

MPL Detect Circuit Inoperative MMR Starter All A failure was detected in the Momentary Power

Loss detect circuit. If there are no zero cross
interrupts on Vab for 637.5 msec (Prior to

See

Troubleshooting

Service Bulletin

Centravac Upgrade 4: approx. 3 half line cycles),
the timer interrupt will trip and generate a
diagnostic that indicates that our ability to detect
MPL is gone. If Vab was truly gone the module
would be powered down so if we can detect that
Vab is gone then there must be a hardware
failure on the board.

Oil Pressure Sensor Calibration MMR Circuit All Non-

running
Modes

The recalibration of the Differential Oil Pressure
sensors resulted in an error correction of greater
than 3 PSID.

See

Troubleshooting

Service Bulletin
and not
for 5
minutes
after
running.

Oil Pump Discharge Pressure
Sensor

MMR Circuit All Open or shorted input.

Must Hold on open AND short input is 2.0 Psia.
Design: Both opens and shorts result in the

Check Sensor,

Wiring, and

Connections

pressure going to the low end of the scale.
Therefore a Must Hold on the high pressure end
is not required.

Oil Sump Pressure Sensor MMR Circuit All Open or shorted input.

Must Hold on open AND short input is 2.0 Psia.
Design: Both opens and shorts result in the

Check Sensor,

Wiring, and

Connections

pressure going to the low end of the scale.
Therefore a Must Hold on the high pressure end
is not required.

Oil Temp Sensor MMR Circuit All Open or Short Check Sensor,

Wiring And

Connections

Options: Loss of Comm with
Starter

IFW Options All The options module lost communications with

the Starter module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

Options: Loss of Comm with
Chiller

IFW Options All The options module lost communications with

the Chiller module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

Information Manual 75

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Options Module 24 Vdc Ref
Missing

Options Module 24 Vdc Ref
Missing

Diag

Type

IFW Options All 24Vdc reference missing and the differential

MMR Options All 24Vdc reference missing and the differential

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

water pressure transducers are installed.

water pressure transducers are installed and
Adaptive Frequency Drive installed.

Options Mod Off-Brd 5V Range IFW Options All An improper Off Board 5v voltage was detected

at the Options Module. A 5vdc is used for off­board devices such as the External CWS and
CLS, and pressure transducers. The micro
checks to see that the A/D value falls within an
acceptable range.

Options Mod Ref Voltage
Calibration

IFW Options All An improper reference voltage was detected at

the Options Module. A 2.5 vdc reference is
used to calibrate the non-ratiometric analog I/O
such as 2-10vdc and 4-20ma inputs as well as
PWM Analog outputs. The micro checks to see
that the A/D value falls within an acceptable
range.

Outdoor Air Temp Sensor

IFW Chiller All Open or Short

a. Use end of range value (whatever value the
See Also 3d3 diag.
(Either Outdoor Air Reset or
Low Ambient Lockout Selected)

Outdoor Air Temp Sensor

None None All Open or Short

open or short gives).

b. Clear diag. when the resistance returns to

normal range.

a. Display end of range value. (dashes “-----”)
See Also 3d3 diag.
(Both Outdoor Air Rst and Low
Ambient Lockout not selected.)

Outdoor Air Temp Sensor

MMR Chiller All Open or Short Check Sensor,

See also A1 and A2 diag.

Over Voltage MAR Starter Pre-Start

and Any
Ckt(s)
Energzd

a. Line voltage above + 10% of nominal. (Must

hold = + 10% of nominal. Must trip = + 15% of

nominal. Reset differential = min. of 2% and

max. of 4%. Time to trip = minimum of 1 min. 10

sec. and maximum of 5 min. 20 seconds)

Phase Loss MMR Starter Contactor

Energizd
or all
Start, and
Run
modes.

a. No current was sensed on one or more of the

current xformer inputs. (Must hold = 20% RLA.

Must trip = 5% RLA.) Time to trip shall be 1

second minimum, 3 seconds maximum. Actual

design trip point is 10%.

b. Phase rotation protection is enabled and

either the Phase A current signal or the Phase C

current is less than approximately 5% of the CT

rating. Time to trip is 0.7 seconds for CTV/ABS.

Phase Reversal MMR Starter Contactor

energized
to
transition

a. A phase reversal was detected on the

incoming current. On a compressor startup the

phase reversal logic must detect and trip in 0.7

seconds.

command

Phase Reversal Protection Lost MMR Starter Starter

Contactor
energized
to
transition
command

a. The phase reversal protection on the

compressor has become inoperative. The phase

rotation protection system failed to detect 2 in a

row of one of the four phase circuit states; Phase

reversal, Phase rotation OK, Phase A lost,

Phase B lost.

Check Press
Xducer Wiring/
24 Vdc Supply.

Check Press
Xducer Wiring/
24 Vdc Supply.

Check Options
Module Voltages

See
Troubleshooting
Service Bulletin

Check Sensor,
Wiring And
Connections

N/A

Wiring And
Connections

Check Main
Power Supply &
Wiring

Check Main
Power Supply &
Wiring

Check Main
Power Supply &
Wiring

Check Starter
Module.

76 CVHE-CLD-1A

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Purge Cprsr Suction Temp
Sensor

Diag
Type

IFW Purge All Open or Shorted Sensor

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

a. IFW to the chiller, MMR to the Purge.

Purge Liquid Level Too High IFW Purge All a. The Level Switch at the purge opened for 6 to

10 Seconds.
Note: This was implemented as tripping in 2 A/D
samples, which are 0.4 seconds apart. Prior to 2/
2/95 only 1 A/D sample could trigger this
diagnostic.
b. IFW to the chiller, MMR to the Purge.

Purge: Loss of Comm with
Chiller

IFW Purge All The purge module lost communications with the

chiller module for 15 contiguous seconds.
a. IFW to the chiller, MAR to the Purge.

Purge: Loss of Comm with
Starter

IFW Purge All The purge module lost communications with the

starter module for 15 contiguous seconds.
a. IFW to the chiller, MAR to the Purge.

Purge: Loss of Comm with
Stepper

IFW Purge All The purge module lost communications with the

stepper module for 15 contiguous seconds.
a. IFW to the chiller, MAR to the Purge.

Purge: Loss of Comm with
Options

IFW Purge All The purge module lost communications with the

chiller module for 15 contiguous seconds.
a. IFW to the chiller, IFW to the Purge.

Purge: Loss of Comm w/
Retrofit CLD

IFW Purge All The purge module lost communications with the

retrofit Human Interface module for 15
contiguous seconds.

Purge: Loss of Comm with
Stepper #1

IFW Purge All The purge module lost communications with the

chiller module for 15 contiguous seconds.
a. IFW to the chiller, MAR to the Purge.

Purge: Loss of Comm with
Stepper #2

IFW Purge All The purge module lost communications with the

chiller module for 15 contiguous seconds.
a. IFW to the chiller, MAR to the Purge.

Purge Memory Error Type I:
NOVRAM

This diag. should be seen in
both UCP2 and retrofit
applications only.

MMR Purge On Purge

Power Up
or
following
a Type II
Memory
error
diag.

a. On either Purge Module power up or following
a Type II Memory Error, a NOVRAM memory
error was detected. The Purge Module is
operating on all Engineering Factory defaults for
all setup parameters. Check all setup
parameters and continue to run purge. Replace
the Purge Module as soon as a replacement is
available.
Note: It is expected that this diagnostic will be
detected on the very first power up of the Purge
Module at the Manufacturer since the NOVRAM
will not contain valid data on first power up.

Purge Memory Error Type II:
Shadow RAM

IFW Purge All a. A Shadow RAM memory error was detected.

The Purge Module is operating on all last valid

values (pulled from NOVRAM) for all setup
This diag. should be seen in
retrofit applications only.

parameters. No setup parameter changes were

pending to be loaded into NOVRAM, a complete

recovery of all setup parameters was made and

there is no need to check unit setup parameters.

Purge pumpout times Compressor starts and

hour were lost for not more than the last 24

hours. This is expected to be an isolated event

and repair or replacement is not required. If this

diagnostic does occur repeatedly, then replace

the Purge module.

Purge Inop: See
Purge O & M
Manual

Purge Inop: See
Purge O & M
Manual

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Check IPC
Wiring/
Connections

Purge Inop: See
Purge O & M
Manual

No Setting Were
Lost

Information Manual 77

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Purge Memory Error Type III

Diag

Type

IFW Purge All a. A Shadow Ram memory error was detected.

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

The Purge Module is operating on all last valid
This diag. should be seen in
retrofit applications only.

values (pulled from NOVRAM) for all setup

parameters. Setup parameter changes less than

24 hours old pending to be loaded into NOVRAM

were lost. Check all setup parameters made in

the last 24 hours. Purge pumpout times

Compressor starts and hours were lost for not

more than the last 24 hours. This is expected to

be an isolated event and repair or replacement is

not required. If this diagnostic does occur

repeatedly, then replace the Purge module.

Purge Memory Error Type IV IFW Purge All A page timeout error was detected while trying to

write data into EEP Factory. There will likely be a

recall of Engineering Factory defaults or a

corruption of pumpout data on the next power

transition. Replace the Purge Module as soon as

a replacement is available.

Purge Memory Error III

IFW Purge All a. A Shadow Ram memory error was detected.

Compressor starts and hours were lost for not
This diag will be seen in UCP2
applications of the Purge
Module. This diag will not be
seen in retrofit applications of
the Purge Module. See also
diag 385-387.

more than the last 24 hours. This is expected to

be an isolated event and repair or replacement is

not required. If this diagnostic does occur

repeatedly, then replace the Purge module. This

is an IFW diagnostic to both the Purge and

Chiller.

Purge Misconfigured as Retrofit IFW Purge All The Purge module is configured as a Retrofit

application instead of an UCP2 application.

Chiller module remaps Purge Retrofit Only

diagnostics to this diagnostic. Check Purge input

J1 pins 5,6. Open = UCP2 application, Short =

Retrofit application

Purge Misconfigured as UCP2 IFW Purge All The Purge module is configured as an UCP2

application instead of a Retrofit application.

Check Purge input J1 pins 5,6. Open = UCP2

application, Short = Retrofit application

Refrigerant Monitor Sensor IFW-AR Circuit All Open or Shorted input and the Rfgt Monitor is

setup as installed at the Clear Language

Display.

Rfgt Monitor Memory Lost IFW Rfgt Mon All Refrigerant Monitor lost battery backed-up RAM.

a. IFW to the chiller, MMR/MAR to the

Refrigerant Monitor.

Rfgt Monitor IR Source IFW Rfgt Mon All Refrigerant Monitor infrared optical source

failure.

a. IFW to the chiller, MAR to the Refrigerant

Monitor.

Rfgt Monitor Chopper IFW Rfgt Mon All Refrigerant Monitor optical bench photo-

interrupter failure.

a. IFW to the chiller, MAR to the Refrigerant

Monitor.

Rfgt Monitor Temp Sensor IFW Rfgt Mon All Refrigerant Monitor bench temperature sensor

failure.

a. IFW to the chiller, MAR to the Refrigerant

Monitor.

Settings
Changed in The
Last 24 Hours
Lost

See Purge O &
M Manual

No Settings Lost

See Purge O &
M Manual

See Purge O &
M Manual

Check Sensor,
Wiring, and
Connections

See Refrigerant
Monitor IOM
Manual

Check IR
Source Wiring
And
Connections

Check Chopper
Wiring And
Connections

Check Sensor,
Wiring,
Connections

78 CVHE-CLD-1A

Diagnostics Menu

Diag
Type

DIAGNOSTIC DESCRIPTION

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

Rfgt Monitor Bench Flow Loss IFW Rfgt Mon All Air flow loss to the Refrigerant Monitor optical

bench.
a. IFW to the chiller, MMR/MAR to the
Refrigerant Monitor.

Rfgt Monitor Scanner Flow Loss IFW Rfgt Mon All Air flow loss to the Refrigerant Monitor scanner.

a. IFW to the chiller, MMR/MAR to the
Refrigerant Monitor.

Rfgt Monitor Out Of Temp
Range

Rfgt Monitor Refrig Level Too
Low

IFW Rfgt Mon All Out of temperature range for measuring

refrigerant concentration.

IFW Rfgt Mon All The Refrigerant Monitor read less than or equal

to -5 ppm refrigerant concentration.

Rfgt Monitor Fault IFW Rfgt Mon All A undefined diagnostic detected by the

Refrigerant Monitor.
a. IFW to the chiller, MMR to the Refrigerant
Monitor.

Rfgt Monitor Calibration Error
(This diagnostic is currently
ignored by UCP2)

IFW Rfgt Mon All The Refrigerant Monitor calibration failed.

a. IFW to the chiller, IFWMMR to the Refrigerant
Monitor.

Rfgt Monitor Aux Input Error IFW Rfgt Mon All The Refrigerant Monitor auxiliary input is outside

the 4-20 mA range.

Rfgt Monitor External Reset IFW Rfgt Mon All The Refrigerant Monitor external reset switch

(Normally Closed) is stuck in the “reset” state or
the switch/jumper is missing.

Rfgt Monitor Level 3 Rfgt
Refrigerant Alarm

IFW Rfgt Mon All The Refrigerant Monitor has read a refrigerant

concentration greater or equal to the level 3
setpoint.

Rfgt Monitor Auxiliary Alarm IFW Rfgt Mon All The Refrigerant Monitor auxiliary input signal

indicates an alarm condition.

Rfgt Monitor Level 2 Rfgt
Refrigerant Alarm

IFW Rfgt Mon All The Refrigerant Monitor has read a refrigerant

concentration greater or equal to the level 2
setpoint.

Rfgt Monitor Level 1 Rfgt
Refrigerant Alarm

IFW Rfgt Mon All The Refrigerant Monitor has read a refrigerant

concentration greater or equal to the level 1
setpoint.

Safety String Input Opened*** MMR Scorpio All Safety string input opened on the Scorpio

module

Severe Phase Unbalance MMR Starter All

Running
Modes

a. A 30% Phase Unbalance diagnostic has been
detected. Items to check are the Current
Transformer Part Numbers (they should all
match), The Current Transformer resistances,
line voltage phase balance, all power wiring
connections, the contactor pole faces, and the
motor. If all these are OK, replace the Starter
module.

Solid State Starter Fault Rly
Open

MMR Starter All Start

and Run

The SSS fault relay is open. See Solid State

Mode

Soln Pump Winding Thermostat
Open

MMR Circuit All a. The motor winding temperature thermostat

opened; nominally 230°F (110 °C).
b. The motor temp. thermostat or wiring is open.
c. Time to trip from input open to Solution Pump
shutdown shall be 0.5 to 2.0 seconds.

See Refrigerant
Monitor IOM
Manual

See Refrigerant
Monitor IOM
Manual

Check Bench
Heater, Wiring,
Connections

Recalibrate
Refrigerant
Monitor

See Refrigerant
Monitor IOM
Manual.

See Refrigerant
Monitor IOM
Manual

Check Signal At
Input

See Refrigerant
Monitor IOM
Manual.

N/A

N/A

N/A

N/A

N/A

Check Main
Power Supply &
Wiring

Starter Service
Bulletin, check
for an open wire.

Check Machine
Operation

Information Manual 79

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Starter Contactor Interrupt
Failure

Diag

Type

MMR Starter Starter

Module

that

Called

Diag.

Diag.

Active

Modes

Contact
not
Energize
d
(Starter
Contact
Energize
d)

CAUSE Help Message

a. Welded Starter contactor.

b. Detected a welded compressor contactor

when the compressor was commanded off but

the current did not go to zero. Detection time

shall be 5 second minimum and 10 seconds

maximum for all Electromechanical and Solid

State Starters. Detection time for Adaptive

Frequency. Drives shall be 12 seconds minimum

and 20 seconds maximum. On detection,

generate the diagnostic, energize the

appropriate alarm relay, continue to command

the affected compressor off.

Starter did not Transition MMR Starter On the

first
check
after
transition.

a. The UCM did not receive a transition complete

signal in the designated time from the UCM

command to transition. The must hold time from

the UCM transition command is 1 second. The

Must trip time from the transition command is 6

seconds. Actual design is 2.5 seconds.

b. Item a. above is active only for Y-Delta, Auto-

Transformer, and Primary Reactor, and X-Line

Starters.

Starter Dry Run Test MMR Starter Starter

Dry Run
Mode

While in the Starter Dry Run Mode either 50%

Line Voltage was sensed at the Potential

Transformers or 10% RLA Current was sensed

at the Current Transformers.

Starter Fault Type I MMR Starter Starting a. This is a specific starter test where 1M(2k1) is

closed first and a check is made to ensure that

there are no currents detected by the CT's. If

currents are detected when only 1M is closed

first at start, then one of the other contactors is

shorted.

b. This test applies only to factory installed Y-

Delta Closed Transition Starters.

Starter Fault Type II MMR Starter Starting a. This is a specific starter test where the

Shorting Contactor (S)(2K3) is individually

energized and a check is made to ensure that

there are no currents detected by the CTs. If

current is detected when only S is energized at

Start, then 1M is shorted.

b. This test in a. above applies to all forms of

starters (Note: It is understood that many

starters do not connect to the Shorting

Contactor.).

Starter Fault Type III MMR Starter Starting a. As part of the normal start sequence to apply

power to the compressor the Shorting Contactor

(S) and then the Main Contactor (1M) were

energized. 1.6 seconds later there were no

currents detected by the CT's for the last 1.2

Seconds on all three phases.

b. This test in a. above applies to all forms of

starters except Adaptive Frequency. Drives

(Note: It is understood that many starters do not

connect to the Shorting Contactor.).

c. For Adaptive Frequency Drives, TBD

Starter: Loss of Comm with
Circuit

MMR Starter All The starter module lost communications with the

Circuit module for 15 contiguous seconds.

Complete
Starter
Checkout
Required

Complete
Starter
Checkout
Required

Current or
Voltage
Detected

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

See
Troubleshooting
Service Bulletin

Check IPC
Wiring/
Connections

80 CVHE-CLD-1A

Diagnostics Menu

DIAGNOSTIC DESCRIPTION

Starter: Loss of Comm with
Chiller

Diag
Type

MMR Starter All The starter module lost communications with the

Module

that

Called

Diag.

Diag.

Active

Modes

CAUSE Help Message

Chiller module for 15 contiguous seconds.

Check IPC
Wiring/
Connections

Starter Mod Ref Voltage
Calibration

IFW Starter All An improper reference voltage was detected at

the Starter Module. A 2.5 vdc reference is used
to calibrate the non-ratiometric analog I/O such

See
Troubleshooting

Service Bulletin
as 2-10vdc and 4-20ma inputs as well as PWM
Analog outputs. The micro checks to see that the
A/D value falls within an acceptable range.

Stepper #1:Loss of Comm with
Starter

MMR Stepper All The Stepper #1 module lost communications

with the Starter module for 15 contiguous
seconds.

Stepper #1:Loss of Comm with
Chiller

MMR Stepper All The Stepper #1 module lost communications

with the Chiller module for 15 contiguous
seconds.

Surge Shutdown: Ice Building MAR Starter All Ice

Building
Modes

An extended Surge condition was detected while
in Ice Building Mode. This diagnostic shall clear
when the Ice Building command is withdrawn.

TCI: Loss of Comm with Purge IFW TCI All The TCI module lost communications with the

Purge module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

Check IPC

Wiring/

Connections

See

Troubleshooting

Service Bulletin

Check IPC

Wiring/

Connections

TCI: Loss of Comm with Starter IFW TCI All The TCI module lost communications with the

Starter module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

TCI: Loss of Comm with Options IFW TCI All The TCI module lost communications with the

Options module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

TCI: Loss of Comm with Circuit IFW TCI All The TCI module lost communications with the

Circuit module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

TCI: Loss of Comm with Chiller IFW TCI All The TCI module lost communications with the

Chiller module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

TCI: Loss of Comm with
Stepper #1

IFW TCI All The TCI module lost communications with the

Stepper #1 module for 15 contiguous seconds.

Check IPC

Wiring/

Connections

Tracer Communications Lost IFW TCI All The Tracer was setup as “installed” at the CLD

and the TCI lost communications with the Tracer
for 15 contiguous minutes after it had been

Check Tracer to

UCP Wiring/

Connections
established. Continue to run the chiller with the
last valid Tracer Setpoints/Mode.

Tracer failed to Establish Comm IFW TCI At power-upThe Tracer was setup as “installed” at the CLD

and the Tracer did not communicate with the TCI
within 2 minutes after power-up.

Check Tracer

Wiring/

Connections/

Power

Tracer Outdoor Air Temp
Sensor Fail

IFW Chiller All Check Sensor,

Wiring, and

Connections

Tracer Temperature Sensor IFW Options All Input Shorted. Check Sensor,

Wiring, and

Connections

Transition Complete Input
Shorted

MMR Starter Pre-Start a. The Transition Complete input was found to

be shorted before the compressor was started.
b. This is active for all electromechanical

Check transition

complete

contact
starters.

Information Manual 81

Diagnostics Menu

Diag

Type

DIAGNOSTIC DESCRIPTION

Transition Complete Input
Opened

Under Voltage MAR Starter Pre-Start

NOTE: For FastPak, the “module that called the diagnostic” is

Scorpio if Circuit or Stepper is listed

*** FastPak-only Diagnostic

MMR Starter All

Module

that

Called

Diag.

Diag.

Active

Modes

Running
Modes

and Any
Ckt(s)
Energzd

CAUSE Help Message

a. The Transition Complete input was found to
be opened with the compressor motor running
after a successful completion of transition.
b. This is active only for Y-Delta, Auto­Transformer, and Primary Reactor Starters.

a. Line voltage below - 10% of nominal or the
Under/Overvoltage transformer is not connected.
(Must hold = - 10% of nominal. Must trip = - 15%
of nominal. Reset differential = min. of 2% and
max. of 4%. Time to trip = min. of 1 min. and
max. of 5 min.)

Complete
Starter
Checkout
Required

Check Main
Power Supply &
Wiring

82 CVHE-CLD-1A

FastPak™ “Settings Group” Menu Record

Operator Settings Group:

Menu item Choices Default Design/Actual

1 Purge Operating Mode Stop, On, Auto, Adaptive Auto

2 Front Panel Chilled Wtr Setpt 0-65 Deg F, -17.8-18.3

3 Front Panel Current Limit Setpt 40 to 100% 100%

4 Chilled Water Reset Type Return, Constant Return,

5 Reset Ratio 10 to 120% 50%
6 Start Reset Setpoint 4 to 30°F, 2.2 to 16.7°C 10°F, 5.6 °C
7 Max Reset Setpoint 0 to 20°F, 0.0 to 11.1 °C 5°F, 2.8 °C

8 Ice Building

Panel Ice Termination Setpoint (Displayed if
Ice Building Enabled)

9 20 to 32 °F, -6.7 to 0°C 27°F, -2.8°C

10 Ice to Normal Cooling Timer (Displayed only

if Ice Building Option” is installed)

11 Chilled Water Setpoint Source Front Panel, External

12 Current Limit Setpoint Source Front Panel, External

13 Ice Termination Setpoint Source (Displayed

only if “Ice Building Option” is installed)

14 Setpoint Source Override None, Use Front Panel

Deg C

Disable

Disable, Enable Disable

0 to 10 mm. 5 minutes

SourceFuture 1, Future 2

Source, Future 1, Future 2

Front Panel, Future 1,
Future 2, Future 3

Setpoints, Override
Tracer-Use Default
Setpoints (available only if
Tracer Option is installed)

44.0 °F, 6.7 C

Disable

Front Panel

Front Panel

Front Panel

None

Information Manual 81

FastPak™ “Settings Group” Menu Record

Service Settings Group: Basic Setups

Menu Item Choices Default Design/Actual

1 Language English, Francais, Deutch,

Espanol, Nippon, Italiano,
Nederland, Portuguese,
Coded

2 Display Units English, SI XXX.X, XXX English

3 Decimal Places Displayed XXX.X

4 Display Menu Headings Enable, Disable Enable
5 Differential To Start Setpoint 1 to 10°F, 0.5 to 5.5 °C 5 °F, 2.8°C
6 Differential To Stop Setpoint 1 to 10°F, 0.5 to 55°C 5 °F, 2.8°C

7 Evap Pump Off Delay 0 to 30 Minutes 1 Minute

8 Printer Setups

Print Time Interval Enable, Disable Enable

Print on Time Interval 1 to 24 hrs. 8 hrs.

Print on Diagnostic Enable, Disable Enable

Number of Pre-Diag Reports 1 to 5 5

Diagnostic Report Interval 2 to 120 seconds S seconds

Printer, Baud Rate 300, 4800, 1200, 9600,

2400, 19,200

Printer, Parity None, Odd, Even None

Printer, Data Bits 8,7 8

Printer, Stop Bits 1,2

Printer, Handshaking XON/XOFF, DTR, RTS,

None

English

9600

XON/XOFF

82 CVHE-CLD-1A

FastPak™ “Settings Group” Menu Record

Field Startup Group:

Menu item Choices Default Design/Actual

1 Keypad/Display Lock Feature Enable Disable, Enable Disable

2 Menu Settings Password Enable Disable, Enable Disable

3 ICS Address: 1 to 127 65
4 Power Up Start Delay Time 0 to 60° Seconds 0 Seconds
5 Design Delta Temp Setpoint: 4 to 30°F, 2.2 to 16.7° C 100° F, 5.5 °C

6 Lvg Wtr Temp Cutout Setpoint: (When this

setpoint is within 1.7°F of the Front Panel
Chilled Water Setpoint, the Front Panel
Chilled Water Setpoint is increased along
with this setpoint to maintain the differential)

7 Low Rfgt Temp Cutout Setpt: (When this

setpoint is within 6°F of the Front Panel
Chilled Water Setpoint, the Front Panel
Chilled Water Setpoint is increased along
with this setpoint to maintain the differential.)

8 Condenser Limit Setpoint: 80 to 120% 93%

9 Maximum RI Timer Setting 30 to 60 Minutes 60 Minutes

10 Purge Control/Type: Micro Purge, Stand-Alone

11 Purge Max Pumpout Rate: 1 to 100 minutes/24 hrs 20 Minutes /24

12 Purge Service Excessive Pumpout Override

Timer

13 Prg Low Liq Temp Inhibit Enable, Disable Disable

14 Prg Low Liq Temp Inhibit Setpt: (Does not

display unless above feature = Enable”)

15 Surge Protection: Disable, Enable Enable

16 Under/Over Voltage Protection: (Permits

“Enable only if Option Installed)

17 Phase Reversal Protection: Disable, Enable Enable

18 Phase Unbalance Protection: Disable, Enable Enable

19 Momentary Power Loss Protection: Disable, Enable Enable

20 Enhanced Oil Temp Protection Disable, Enable Enable
21 Oil Temp Setpoint: 100 to 160° F, 37.8 to

22 Low Oil Temp Cutout: 80 to 140 °F, 26.7 to 60°C 95 °F, 35°C
23 High Discharge Temp Cutout: 170 to 220°F, 76.6 to

24 Soft Load Control: Disable, Enable Disable

25 Soft Load Starting current Limit: 40 to 100% 100%

26 Soft Load Current Limit Rate: 0.5 to 5.0% /Minute 5.0% /Minute
27 Soft Load Lvg Water Rate: 0.5 to 5.0 °F/Minute

-10 to 360°F,

-23.2 to 2.2° C

-35 to 360°F,

-37.2 to 2.2°C

Purge

1 to 72 Hours 0 Hours

32 to 50 °F, 0.0 to 10 °C 40°F, 4.4°C

Disable, Enable Enable

71.1°C

104.4 °C

0.3 to 2.8 0C/Minute

36° F, 2.2° C

32°F, 0.0°C

Micro Purge

Hours

143.5°F,61.9°C

200°F, 93.3 °C

5.0°F/Minute

2.8°C/Minute

Information Manual 83

28 Hot Gas Bypass Control Disable, Enable Enable

29 HGBP Timer Disable, Enable; Unlimited

Menu Item Choices Default Design/Actual

30 Maximum HGBP Time (Displayed only if

HGBP is installed and HGBP Timer is
enabled)

31 HGBP Vane Position 0 to 30% 10%

32 LWT Proportional Gain Setpoint 0 to 100%/ “F 0 to 180%/

Time

1 to 480 minutes 30 minutes

°C

33 LWT Integral Gain Setpoint 0 to 1%/ °F 0 to 1.8%/°C 0.1 10%/ °F

34 LWT Derivative Gain Setpoint 0 to 10%/ °F

28 IGV MAXIMUM Travel Setpt: 0 to 60,000 Steps 50,000 Steps

29 Guide Vane Closed Travel Stop 0 to 100% 0%

30 AF Adjustable Speed Control Algorithm Disable, Enable Enable

31 AF Leaving Water Standard Deviation 0.5 to 4.0 1.0

32 AF Pressure Coefficient Constant 0 to 2000 800

33 AF Re-Optimization Factor 0.03 to 1.00 0.30

34 AF Re-Optimization Timer 1 to 255 24

35 AF Boundary PC Y-Intercept 0.01 to 2.00 0.40

36 AF Boundary PC Y-Intercept Maximum 0.01 to 2.00 2.00

37 AF Pressure Error Deadband 0.001 to 1.000 0.030

38 AF Proportional Speed Gain 1 to 100 50

39 Minimum Capacity Timer Disable, Enable; Unlimited

40 Time Permitted at Mm Cap 1 to 480 minutes 30 minutes

41 Local Atmospheric Pressure 10 to 16 psig

42 Mm Delta Press Calib (2 VDC) 0 to 400 psid

43 Max Delta Press Calib (10 VDC) 1 to 400 psid 7 to 2758

44 Inlet Guide Vane Stroke Time 15 to 100 seconds 45 seconds

45 Low Diff Oil Pressure Cutout 9 to 35 psid

46 Pre Lube Setpt 20 to 60 seconds 60 seconds

47 Post Lube Setpt 30 to 420 seconds 180 seconds

48 Check Oil Filter Diagnostic Disable, Enable Disable

49 Check Oil Filter Setpt Diag Disabled, 9 to 60

0 to 18%/ °C

Time

68.9tollO.3kPa

0 to 2758 kPa

kPa

62 to 241 kPa

psid, 62 to 414 kPa

Enable

10%/°F
18%/”C

0.198%/ °C

0.00%/°F

0.00%/ °C

Enable

14.7 psig

101.3kPa

0 psid
0 kPa

30 psid
207 kPa

12 psid
64 kPa

15 psid, 103 kPa

84 CVHE-CLD-1A

FastPak™ “Settings Group” Menu Record

Machine Configuration Group:

Menu Item Choices Default Design/Actual

1 Unit Frequency 60 HZ, 50 HZ 60 HZ

2 Unit Type CVHE & CVHG, CVHF, CVHB,

3 Nominal Unit Tons 100 to 1800 Tons 300 Tons

4 Refrigerant Type R114, R500, R502 R123

5 Refrigerant Monitor Type None, PC None

6 Starter Type Undefined, Adaptive Frequency, Y-

7 Level 2 Contactor Integrity Test (Startup

Contactor Test-Y-D only)

8 Rated Load Amps 0 to 2,500 500

9 Motor Heating Constant 0 to 100 Minutes 25 Minutes

10 Current Overload Setting #1

(See Manual for Setup Procedure)

11 Current Overload Setting # 2 (See Manual

for Setup Procedure)

12 Maximum Accel Time Setpt# 1 (See

Manual for Recommend Setpt)

13 (255 Minus Timer Setpt #1 above) 191 to 249 Seconds 226 Seconds
14 Heatsink Start Inhibit Temperature Setpoint 100.0 to 200.0 °F (37.8 to 93.3 °C),

15 External Chilled Wtr Setpoint Installed, Not Installed Not Installed

16 External Current Limit Setpt Installed, Not Installed Not Installed

17 Acceleration Time Out Action Shutdown, Transition Shutdown

18 Motor Temp Protection 3 Winding Sensors, MTC Switch 3 Winding

19 Motor Winding RTD Type 100 Ohm/ 0°C, 75 Ohm/ 75°C 75 Ohm /75°C

20 High Pressure Cutout setting -5 to 500 PSIG 15 PSIG for

21 Line Voltage Sensing Option Installed, Not Installed Not Installed

22 Unit Line Voltage 180 to 6600 460

23 Hot Gas Bypass Option Installed, Not Installed Not Installed

24 Condenser Press. Sensor Option Installed, Not Installed Not installed

25 Bearing Temp Sensors Option Installed, Not Installed Not installed

26 Discharge Temp Sensor Option Installed, Not Installed Not installed

27 Ice Building Option Installed, Not Installed Not installed

28 External Analog Inputs 4-20 mA, 2-10 VDC 4-20 mA

29 Tracer Option Installed, Not Installed Not Installed

30 TCI Option Installed, Not Installed Not Installed

CVGE, CVAE, FastPak Water
Cooled, FastPak Air Cooled

Delta, X-Line, Solid State, Auto,
Transformer, Primary Reactor,
AFDB, SMCDP, Stand Alone No Str
Module

Disable, Enable (Not available on
any FastPak models)

00 to 31 00

224 to 255 255

6 to 64 Seconds 27 Seconds

in increments of 0.1 °F/°C

CVHE

Y-Delta

Disable

100 °F (93.3°C)

Sensors

standard unit 25
PSIG for ASME
unit

Information Manual 85

FastPak™ “Settings Group” Menu Record

Machine Configuration Group:

Menu Item Choices Default Design/Actual

31 Printer Option Installed, Not Installed Not Installed

32 Duplex Control Module

(DCM) Option

33 IGV Output Type Stepper Motor, Pulsed Stepper Motor

34 Oil Pressure Protection Xducer; Diff Switch Xducer

35 Programmable Analog

Output

36 Program Relay [N] where [N]

= 1, 2 or 3

37 Current Transducer Cutler Hammer, Other Cutler Hammer

38 Current Transducer at 100%

RLA (Displayed only if
Current Transducer is set to
“Other’)

39 Outdoor Air Temp Sensor Installed, Not Installed Installed

Installed, Not Installed Not Installed

Not Used;% RLA;% Cond
Press; Refrig Diff Press

Not Used; Comp Running;
MMR Alarm; MAR Alarm;
MMR + MAR Alarm; Limit
Warning; Ice Making; Head
Relief Request; Tracer
Controlled; Max Capacity

-10.0 to -5.0 VDC in 0.1 VDC
Increments

% RLA

1 = MMR + MAR Alarm
2 = Comp Running
3 = Not Used

86 CVHE-CLD-1A

FastPak™ “Settings Group” Menu Record

Refrigerant Monitor Settings Group:

Menu item Choices Design/Actual

1 Alarm Level 1

2 Alarm Level 2

3 Alarm Level 3

4 Refrigerant Audible Alarm Disable, Alarm 1, Alarm 2

5 Trouble Audible Alarm Disable, Enable

6 Alarm 1 Latching Status Latching, Non-Latching

7 Alarm 2 Latching Status Latching, Non-Latching

8 Alarm 3 Latching Status Latching, Non-Latching

9 Channel Scanner (Displayed only when

refrigerant monitor mode is in “Warm-up”.)

10 Scanner Channel 1 Active, Inactive

11 Scanner Channel 2 Active, Inactive

12 Scanner Channel 3 Active, Inactive

13 Scanner Channel 4 Active, Inactive

14 Scanner Dwell Threshold 30 to 70

15 Auxiliary Input Installed, Not Installed

16 Auxiliary Input Alarm Disable, Enable

17 Auxiliary Input Alarm Level 4.0 to 20.0

18 Auxiliary Input Alarm Direction Above, Below

19 Auxiliary Input Audible Alarm Off, On

20 Analog Output Range 0 to 100, 0 to 1000

Alarm 3

Installed, Not Installed

Information Manual 87

FastPak™ “Settings Group” Menu Record

Service Tests Group:

Menu item Choices Default Design/Actual

1 Chilled Water Pump Auto, On Auto

2 Condenser Water Pump Auto, On Auto

5 Starter Dry Run: (Starter Dry Run Contactor

Test - Y - D Only)

6 Oil Pump (Set to Differential Transducer) Auto, On Auto

7 Oil Pump (Set to Differential Switch) Auto, On Auto

Vane Control Status Vane Position
Commands (Displayed when “Inlet Guide
Vane Output” is set to “Stepper Motor”.)

8 Vane Control Status Vane Position

Commands (Displayed when “Inlet Guide
Vane Output” is set to “Pulsed”.)

9 Manual Loading/Unloading Duty Cycle 0 to 50% 30%

10 HGBP Valve Control is Auto, Open, Close Auto

11 HGBP Valve Opening /Closing Duty Cycle

(Displayed when “Inlet Guide Vane Output”
is set to “Pulsed”.)

(Not available on any
FastPak models)

Manual, Auto Auto

Auto, Hold, Load, Unload Auto

0 to 50% 30%

Disabled

88 CVHE-CLD-1A