Trane Tracer CH530 User Manual

Tracer CH530™ Control System for Chillers RTWD/RTUD 060-250

User Guide

RLC-SVU05A-E4

General information

RLC-SVU05A-E4

Foreword

These instructions are given as a guide to good practice in the installation, start-up, operation, and maintenance by the user, of Trane CH530 chiller control system on chillers. They do not contain full service procedures necessary for the continued successful operation of this equipment. The services of a qualified technician should be employed through the medium of a maintenance contract with a reputable service company. Read this manual thoroughly before unit start-up.

Warnings and cautions

Warnings and Cautions appear at appropriate sections throughout this manual. Your personal safety and the proper operation of this machine require that you follow them carefully. The constructor assumes no liability for installations or servicing performed by unqualified personnel.

WARNING! : Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION! : Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices or for equipment or property-damage-only accidents.

Safety recommendations

To avoid death, injury, equipment or property damage, the following recommendations should be observed during maintenance and service visits:

1. Disconnect the main power supply before any servicing on the unit.

2. Service work should be carried out only by qualified and experienced personnel.

Reception

On arrival, inspect the unit before signing the delivery note.

Reception in France only:

In case of visible damage: The consignee (or the site representative) must specify any damage on the delivery note, legibly sign and date the delivery note, and the truck driver must countersign it. The consignee (or the site representative) must notify Trane Epinal Operations - Claims team and send a copy of the delivery note. The customer (or the site representative) should send a registered letter to the last carrier within 3 days of delivery.

Reception in all countries except France:

In case of concealed damage: The consignee (or the site representative) must send a registered letter to the last carrier within 7 days of delivery, claiming for the described damage. A copy of this letter must be sent to Trane Epinal Operations - Claims team.

Note: for deliveries in France, even concealed damage must be looked for at delivery

and immediately

treated as visible damage.

General information

3RLC-SVU05A-E4

Warranty

Warranty is based on the general terms and conditions of the manufacturer. The warranty is void if the equipment is repaired or modified without the written approval of the manufacturer, if the operating limits are exceeded or if the control system or the electrical wiring is modified. Damage due to misuse, lack of maintenance or failure to comply with the manufacturer's instructions or recommendations is not covered by the warranty obligation. If the user does not conform to the rules of this manual, it may entail cancellation of warranty and liabilities by the manufacturer.

Maintenance contract

It is strongly recommended that you sign a maintenance contract with your local Service Agency. This contract provides regular maintenance of your installation by a specialist in our equipment. Regular maintenance ensures that any malfunction is detected and corrected in good time and minimizes the possibility that serious damage will occur. Finally, regular maintenance ensures the maximum operating life of your equipment. We would remind you that failure to respect these installation and maintenance instructions may result in immediate cancellation of the warranty.

Training

To assist you in obtaining the best use of it and maintaining it in perfect operating condition over a long period of time, the manufacturer has at your disposal a refrigeration and air conditioning service school. The principal aim of this is to give operators and technicians a better knowledge of the equipment they are using, or that is under their charge. Emphasis is particularly given to the importance of periodic checks on the unit operating parameters as well as on preventive maintenance, which reduces the cost of owning the unit by avoiding serious and costly breakdown.

Contents

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General Information 2

Overview 5

DynaView Interface 6

Display Screens 8

Diagnostics 28

TechView Interface 54

Software Download 55

Overview

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The Trane CH530 control system that runs the chiller consists of several elements:

• The main processor collects data, status, and diagnostic information and communicates commands to the

LLID (for Low

Level Intelligent Device)

bus. The main processor has an integral display (DynaView).

•

LLID bus

. The main processor communicates to each input and output device (e.g. temperature and pressure sensors, low voltage binary inputs, analog input/output) all connected to a four-wire bus, rather than the conventional control architecture of signal wires for each device.

• The

communication interface

to a building automation system (BAS).

•A

service tool

to provide all service/maintenance capabilities. Main processor and service tool (TechView) software is downloadable from

www.Trane.com

. The process is discussed later in this section under TechView Interface. DynaView provides bus management. It has the task of restarting the link, or filling in for what it sees as "missing" devices when normal communications has been degraded. Use of TechView may be required.

The CH530 uses the IPC3 protocol based on RS485 signal technology and communicating at 19.2 Kbaud to allow 3 rounds of data per second on a 64-device network. Most diagnostics are handled by the DynaView. If a temperature or pressure is reported out of range by a LLID, the DynaView processes this information and calls out the diagnostic. The individual LLIDs are not responsible for any diagnostic functions.

Note: It is imperative that the CH530 Service Tool (TechView) be used to facilitate the replacement of any LLID or reconfigure any chiller component.

Controls Interface

DynaView (picture on cover)

Each chiller is equipped with the DynaView interface. DynaView has the capability to display additional information to the advanced operator including the ability to adjust settings. Multiple screens are available and text is presented in multiple languages as factoryordered or can be easily downloaded online.

TechView

TechView can be connected to the DynaView module and provides further data, adjustment capabilities, diagnostics information, downloadable software, and downloadable languages.

DynaView Interface

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Power Up

On power-up, Dynaview will progress through 3 screens.

The first screen (Figure 1) will display for 3-10 seconds. This screen will give the status of the Application software, the Boot Software P/N, selftest results and the application part number. The contrast is adjustable from this screen. The message "Selftest passed" may be replaced with "Err2: RAM Error" or "Err3: CRC Failure"

Figure 1

Figure 2

Note that the Application and Boot software numbers will vary according to the unit type.

If no application is found, the screen (Figure 2) will display instead of Figure 1.

DynaView Interface

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The second screen (Figure 3) will display for 15-25 seconds. If a valid configuration is present, "Tracer CH530" will also be displayed. If the MP configuration is found to be invalid, "MP: Invalid Configuration" is displayed indefinitely. Contact your local Trane service technician.

Figure 3

Figure 4

The third screen is the first screen of the application.

DynaView Interface

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The display on DynaView is a 1/4 VGA display with a resistive touch screen and an LED backlight. The display area is approximately 4 inches wide by 3 inches high (102mm x 60mm).

CAUTION! Equipment Damage! Putting

excessive pressure on the touch screen could cause damage. It takes less than 7 kg of force to break the screen.

In this touch screen application, key functions are determined completely by software and change depending upon the subject matter currently being displayed. The basic touch screen functions are outlined below.

Radio Buttons

Radio buttons show 1 menu choice among 2 or more alternatives, all visible. The possible selections are each associated with a button. The selected button is darkened, presented in reverse video to indicate it is the selected choice. The full range of possible choices as well as the current choice is always in view.

Spin Value Buttons

Spin values are used to allow a variable setpoint to be changed, such as leaving water setpoint. The value increases or decreases by touching the (+) or (-) arrows.

Action Buttons

Action buttons appear temporarily and provide the user with a choice such as Enter or Cancel.

File Folder Tabs

File folder tabs are used to select a screen of data. The tabs are in 1 row across the top of the display. The user selects a screen of information by touching the appropriate tab.

Display Screens

The main body of the screen is used for description text, data, setpoints, or keys (touch sensitive areas). The Chiller Mode is displayed here. A double arrow pointing to the right indicates more information is available about the specific item on that same line. Pressing it will bring you to a sub-screen that will present the information or allow changes to settings.

Figure 5 - Basic Screen Format

9

DynaView Interface

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The bottom of the screen (7) is present in all screens and contains the following functions. The contrast (8,9) may require readjustment at ambient temperatures significantly different from those present at last adjustment. The other functions are critical to machine operation. The AUTO and STOP keys are used to enable or disable the chiller. The key selected is in black (reverse video). The chiller will stop when the STOP key is touched and after completing the Run Unload mode.

Touching the AUTO key will enable the chiller if no diagnostic is present. (A separate action must be taken to clear active diagnostics.) The AUTO and STOP keys take precedence over the Enter and Cancel keys. (While a setting is being changed, AUTO and STOP keys are recognized even if Enter or Cancel has not been pressed.) The ALARMS button appears only when an alarm is present, and blinks (by alternating between normal and reverse video) to draw attention to a diagnostic condition. Pressing the ALARMS button takes you to the corresponding tab for additional information.

Note: screens may differ according to unit type or configuration. They should be considered as examples.

Keypad/Display Lockout Feature

Note: The DynaView display and

Touch Screen Lock screen is shown above. This screen is used if the Display and touch screen and lock feature is enabled. Thirty minutes after the last keystroke, this screen is displayed and the Display and Touch Screen is locked out until the sequence "159 <ENTER>" is pressed. Until the proper password

is entered, there will be no access to the DynaView screens including all reports, setpoints, and Auto/Stop/Alarms/Interlocks. The password "159" can not be changed from either DynaView or TechView.

For setting changes, use the password "314 <ENTER>".

System/Circuit Selection Buttons

On some report and setting screens, radio buttons on the top of the screen shall be presented to allow the user to select subscreens based on system-level data and per-circuit data.

For single-circuit units with system/circuit selection buttons, the buttons shall be labeled (in English) “System” and “Ckt”. For two-circuit units with system/circuit selection buttons, the buttons shall be labeled “System”, “Ckt1”, and “Ckt2”.

Figure 6 - Keypad

1

DynaView Interface

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Main Screens

The Main screen is a “dashboard” of the chiller. High level status information is presented so that a user can quickly understand the mode of operation of the chiller.

The Chiller Operating Mode will present a top level indication of the chiller mode (i.e. Auto, Running, Inhibit, Run Inhibit, etc.) The “additional info” icon will present a subscreen that lists in further detail the subsystem modes.

Figure 7 - Main screen

Main

Reports

Settings

Auto

Stop

Chiller Mode: Circuit 1 Mode: Circuit 2 Mode: Evap Ent / Lvg Water Temp: Cond Ent / Lvg Water Temp: Active Chilled Water Setpoint:

Running

Running - Limit

Auto

12 / 7 C

30 / 35 C

7 C

The Main screen shall be the default screen. After an idle time of 30 minutes the CH530 shall display the Main screen with the first data fields. The remaining items (listed in the following table) will be viewed by selecting the up/down arrow icons.

DynaView Interface

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Table 1 - Main Screen Data Fields Table

Description Units Resolution Dependencies

1. Chiller Mode (>> submodes) enumeration

2. Circuit 1 Mode (>> submodes) enumeration

3. Circuit 2 Mode (>> submodes) enumeration

4. Evap Ent/Lvg Water Temp F / C 0.1

5. Cond Ent/Lvg Water Temp F / C 0.1

6. F / C 0.1

7. F / C 0.1 Hot Water Option installed only

8. Average Line Current %RLA 1

9.

% RLA 1

10. Active Ice Termination Setpoint

11. (>>front panel setpoint) F / C 0.1 If Ice Building Option is installed

12. Outdoor Air Temperature F / C 0.1 Only if OA sensor is installed

13. Software Type enumeration RTWD / RTUD

14. Software Version X.XX

Figure 8 - Active Chilled Water Subscreen

:

Active Water Setpoint Arbitration Subscreen

The active water setpoint is that setpoint to which the unit is currently controlling. It is the result of arbitration between the front panel, BAS, and external setpoints. The active chilled water water setpoint may also be subjected to a form of chilled water reset.

Touching the double arrow to the left of the Active Chilled Water Setpoint or to the left of the Active Hot Water Setpoint will take the user to the respective active water setpoint arbitration sub-screen.

Chiller Mode

The machine-operating mode indicates the operational status of the chiller. A subscreen with additional mode summary information will be provided by selection of an additional information icon (>>). The operating mode line will remain stationary while the remaining status items scroll with the up/down

arrow keys.

Active Chilled Water Setpoint and Active Hot Water Setpoint

The active chilled water setpoint is the setpoint that is used in cool mode. The active hot water setpoint is the setpoint that is used in heat mode. Both setpoints result from the logical hierarchy of setpoint arbitration by the main processor. The water setpoint will be displayed to 0.1 degrees Fahrenheit or Celsius.

Active Chilled Water Setpoint (>>source) (>> front panel setpoint) from arbitration setpoint screen

Active Current Limit Setpoint (>> source) (>> front panel setpoint) - from arbitration setpoint screen

Active Hot Water Setpoint (>>source) (>> front panel setpoint) - from arbitration setpoint screen

Water Cooled only (i.e. RTWD or

RTUD with ACFC=None)

DynaView Interface

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Other Active Setpoints

The Active Current Limit Setpoint will behave the same way as the Active Chilled Water Setpoint, with the exception that Active Current Limit Setpoint does not have an external source.

DynaView Interface

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Chiller Operating Mode

The machine-operating mode indicates the operational status of the chiller. A subscreen with additional mode summary information will be provided by selection of an additional information icon (>>). The operating mode line will remain stationary while the remaining status items scroll with the up/down arrow keys.

Table 2 - Main screen menu, Chiller Operating Modes - Top Level

Chiller Level Mode

Top Level Mode Description Stopped

The chiller is not running either circuit, and cannot run without intervention.

Stopped Sub Modes Description

Local Stop Chiller is stopped by the DynaView Stop button command- cannot be remotely overridden.

Immediate Stop

Chiller is stopped by the DynaView Immediate Stop (by pressing the Stop then Immediate Stop buttons in succession) - previous shutdown was manually commanded to shutdown immediately.

No Circuits Available The entire chiller is stopped by circuit diagnostics or lockouts that may automatically clear.

Diagnostic Shutdown - Manual Reset The chiller is stopped by a diagnostic that requires manual intervention to reset.

Cond Pmp Strt Dly (Head Pres Ctrl) min:sec

Only possible when Condenser Head Pressure Control option is enabled and the condenser pump is being manually commanded to run - this wait may be necessary due to the Head Pressure control device's stroke time.

Chiller Level Mode

Top Level Mode Description

Run Inhibit

The chiller is currently being inhibited from starting (and running), but may be allowed to start if the inhibiting or diagnostic condition is cleared.

Run Inhibit Sub Modes Description

No Circuits Available The entire chiller is stopped by circuit diagnostics or lockouts that may automatically clear.

Ice Building Is Complete

The chiller is inhibited from running as the Ice Building process has been normally terminated on the evaporator entering temperature. The chiller will not start unless the ice building command (hardwired input or Building Automation System command) is removed or cycled.

Ice to Normal Transition

The chiller is inhibited from running for a brief period of time if it is commanded from active ice building mode into normal cooling mode via the ice building hardwired input or Tracer. This allows time for the external system load to "switchover" from an ice bank to the chilled water loop, and provides for a controlled pull down of the loop's warmer temperature. This mode is not seen if the ice making is automatically terminated on return brine temperature per the mode below.

Start(ing is)* Inhibited by BAS (Building Automation System)*

Chiller is stopped by Tracer or other BAS system.

Start(ing is)* Inhibited by External Source The chiller is inhibited from starting or running by the "external stop" hardwired input.

Diagnostic Shutdown - Auto Reset The entire chiller is stopped by a diagnostic that may automatically clear.

Waiting for BAS Communications (to Establish Operating Status)*

The chiller is inhibited because of lack of communication with the BAS. This is only valid 15 minutes after power up.

Start(ing is)* Inhibited by Low Ambient Temp(erature)*

The chiller is inhibited based on the outdoor air temperature.

Start(ing is)* Inhibited by Local Schedule The chiller is inhibited from starting based on the local time of day scheduling (option)

DynaView Interface

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Chiller Level Mode

Top Level Mode Description

Auto

The chiller is not currently running but can be expected to start at any moment given that the proper conditions and interlocks are satisfied.

Auto Sub Modes Description

Waiting For Evap(orator)* Water Flow

The unit will wait up to 20 minutes in this mode for water flow to be established per the flow switch hardwired input.

Waiting For A Need To Cool

The chiller will wait indefinitely in this mode, for a leaving water temperature higher than the Chilled Water Setpoint plus some control dead-band.

Waiting For A Need To Heat

The chiller will wait indefinitely in this mode, for a leaving water temperature lower than the Hot Water Setpoint plus some control dead-band.

Power Up Delay Inhibit: min:sec On Power up, the chiller will wait for the Power Up Delay Timer to expire.

Chiller Level Mode

Top Level Mode Description

Waiting to Start

The chiller is not currently running and there is a call for cooling but the lead circuit start is delayed by certain interlocks or proofs. Further information is provided by the sub-mode:

Waiting to Start

Sub Modes

Description

Waiting For Condenser Water Flow

The chiller will wait up to 4 minutes in this mode for condenser water flow to be established per the flow switch hardwired input.

Cond Water Pump PreRun Time min:sec

The chiller will wait up to 30 minutes (user adjustable) in this mode for to allow the condenser water loop to equalize in temperature

Cond Pmp Strt Dly (Head Pres Ctrl) min:sec

Only possible when Condenser Head Pressure Control option is enabled, this wait may be necessary due to the Head Pressure control device's stroke time.

Cprsr Strt Delay (Head Pres Ctrl) min:sec

Only possible when Condenser Head Pressure Control option is enabled, this wait may be necessary due to the Head Pressure control device's stroke time

Chiller Level Mode

Top Level Mode Description

Running

At least one circuit on the chiller is currently running.

Running Sub Modes Description

Maximum Capacity The chiller is operating at its maximum capacity. Capacity Control Softloading The control is limiting the chiller loading due to capacity based softloading setpoints.

Current Control Softloading

The chiller is running, and loading of individual compressors may be limited by a gradual filter of the chiller's softloading current limit setpoint. The starting current limit and the settling time of this filter is user adjustable as part of the current control softload feature. The mode will be displayed as long as the Current Control Softloading limit is ramping or "settling".

Chiller Level Mode

Top Level Mode Description

Running - Limit

At least one circuit on the chiller is currently running, but the operation of any of the circuits on the chiller is being actively limited by a chiller level limit. Other sub modes that apply to the Chiller Running top level modes may also be displayed here. Refer to the list of circuit limit modes for circuit limits that will cause display of this Chiller Level Running Limit mode.

Running - Limit

Sub Modes

Description

Design Note: Hot Start Limit is applied and annunciated at a circuit level, even though it is based on the chiller's leaving water temperature.

DynaView Interface

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Chiller Level Mode

Top Level Mode Description

Shutting Down

The chiller is still running but shutdown is imminent. The chiller is going through a compressor rununload or extended operational pumpdown of the lag circuit/compressor (or all circuits simultaneously).

Shutting Down Sub Modes Description

Operational Pumpdown

The lag circuit (or all circuits) is in the process shutting down by performing an operational pumpdown just prior to stopping the circuit's compressor. The EXV is commanded closed. Pumpdown will terminate when both the liquid level and the evap pressure are low (below specific criteria) or after a specific time has expired.

Evaporator Water Pump Off Delay: MIN:SEC

The Evaporator water pump is continuing to run past the shutdown of the compressors, executing the pump off delay timer.

Cond Water Pump Off Delay: MIN:SEC

The Condenser water pump is continuing to run past the shutdown of the compressors, executing the pump off delay timer.

Chiller Level Mode

Top Level Mode Description

Misc.

These sub modes may be displayed in most of the top level chiller modes

Misc. Sub Modes Description

Manual Evap(orator)* Water Pump Override The Evaporator water pump relay is on due to a manual command.

Diagnostic Evap Water Pump Override The Evaporator water pump relay is on due to a diagnostic.

Diagnostic Cond Water Pump Override The Condenser water pump relay is on due to a diagnostic.

Local Schedule Active

The local time of day scheduler (option) is operational and could automatically change modes or

setpoints as scheduled Manual Condenser Water Pump Override The condenser water pump relay is on due to a manual command. Manual Compressor Control Signal Chiller capacity control is being controlled by DynaView or TechView.

Night Noise Setback

The Night Noise Setback feature has been activated. If the unit is running, fans will be running at low

speed. Hot Water Control

These modes are mutually exclusive and they indicate that the chiller is controlling to the active hot

water setpoint, the active chilled water setpoint, or the active ice termination setpoint respectively.

Chilled Water Control Ice Building

DynaView Interface

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Table 2 - Circuit Level Operating Modes

Circuit Level Mode Top Level Mode Description Stopped

The circuit is not running, and cannot run without intervention.

Stopped Sub Modes Description

Diagnostic Shutdown - Manual Reset The circuit has been shutdown on a latching diagnostic.

Front Panel Circuit Lockout

The circuit is manually locked out by the circuit lockout setting - the nonvolatile lockout setting is accessible through either the DynaView or TechView.

External Circuit Lockout The respective circuit is locked out by the external circuit lockout binary input.

Circuit Level Mode Top Level Mode Description

Run Inhibit

The given circuit is currently being inhibited from starting (and running), but may be allowed to start if the inhibiting or diagnostic condition is cleared.

Run Inhibit Sub Modes

Description

Diagnostic Shutdown - Auto Reset The circuit has been shutdown on a diagnostic that may clear automatically. Low Oil Flow Cool Down Time mn:sc The cool-down period is necessary to allow the compressor rotors to cool after starts.

Restart Inhibit min:sec

The compressor (and therefore, its circuit) is currently unable to start due to its restart inhibit timer. A given compressor is not allowed to start until 5 minutes (adj) has expired since its last start, once a number of "free starts" have been used up.

Circuit Level Mode Top Level Mode Description

Auto

The circuit is not currently running but can be expected to start at any moment given that the proper conditions are satisfied.

Auto Sub Modes Description

Calibrating EXV

This submode is displayed when the EXV is performing a calibration. A calibration is only performed when the chiller is not running and never more frequently than once every 24 hours

Circuit Level Mode Top Level Mode Description

Waiting to Start

The chiller is going through the necessary steps to allow the lead circuit to start.

Waiting to Start

Sub Modes

Description

Start Inhibited Waiting For Oil

The compressor (and thus its circuit) will wait up to 2 minutes in this mode for oil level to appear in the oil tank.

Waiting For EXV Preposition

The Chiller will wait for the time it takes the EXV to get to its commanded pre-position prior to starting the compressor. This is typically a relatively short delay and no countdown timer is necessary (less than 15 seconds)

DynaView Interface

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Circuit Level Mode

Top Level Mode Description

Running

The compressor on the given circuit is currently running.

Running

Sub Modes

Description

Establishing Min(imum)* Cap(acity)* - Low Diff(errential)* Pressure

The circuit is experiencing low system differential pressure and its compressor is being force loaded, irregardless Chilled Water Temperature Control, to develop pressure sooner.

Establishing Min Cap - High Disch Temp

The circuit is running with high discharge temperatures and its compressor is being forced loaded to its step load point, without regard to the leaving water temperature control, to prevent tripping on high compressor discharge temperature.

The following modes annunciations have not been implemented as a display but are actually operational in the EXV liquid level control algorithm. The modes included here as possible future annunciated modes

EXV Controlling Differential Pressure

Liquid level control of the Electronic Expansion Valve has temporarily been suspended. The EXV is being modulated to control for a minimum differential pressure. This control implies low liquid levels and higher approach temperatures, but only as is necessary to provide minimum oil flow for the compressor until the condenser water loop can warm up to approx 50F. (Future mode display - display of mode not implemented in Phase 1 or 2 although present in algorithms.)

EXV Controlling for Low Evaporator Pressure

Liquid level control of the Electronic Expansion Valve has temporarily been suspended. The EXV is being modulated to control for a minimum evaporator pressure that is based of the pressure of the Low Refrigerant Temperature Cutout. This control will tend to increase the liquid level above the setpoint or to open the valve more quickly than liquid level control can, in order to avoid an LRTC trip. It is most often invoked transiently to help open the EXV in the event of rapidly falling liquid level and rapidly declining evaporator pressures. (Future Mode display, - display of mode not implemented in Phase 1 or 2 although present in algorithms.)

Circuit Level Mode

Top Level Mode Description

Running - Limit

The circuit, and compressor are currently running, but the operation of the chiller/compressor is being actively limited by the controls. Further information is provided by the sub-mode.* See the section below regarding criteria for annunciation of limit modes

Running - Limit

Sub Modes

Description

Current Limit

The compressor is running and its capacity is being limited by high currents. The current limit setting is 120% RLA (to avoid overcurrent trips) or lower as set by the compressor's "share" of the active current limit (demand limit) setting for the entire chiller.*

High Condenser Pressure Limit

The circuit is experiencing condenser pressures at or near the condenser limit setting. Compressors on the circuit will be unloaded to prevent exceeding the limits.*

Low Evaporator Rfgt Temperature Limit

The circuit is experiencing saturated evaporator temperatures at or near the Low Refrigerant Temperature Cutout setting. Compressors on the circuit will be unloaded to prevent tripping. *

Hot Start Limit

This mode will occur if the leaving evaporator water temperature exceeds 75F (for SW version 6.30 and earlier) or 90 F (for software 7.01 and later) at the point at which the step load for the respective circuit would be desired. This is often the case in a high water temperature pulldown. While in this mode, no compressor on the circuit will be allowed to load past its minimum load capacity step, but it will not inhibit other compressors from staging on. This mode is necessary to prevent nuisance trips due to Compressor Overcurrent or High Pressure Cutout. Reasonable pulldown rates can still be expected despite this limit, since the compressor's capacity even at partial load is much greater at high suction temperatures.

DynaView Interface

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* Mode text strings in parenthesis for TechView display only - available space for DynaView text strings is limited.

Circuit Level Mode Top Level Mode Description

Shutting Down

The circuit is preparing to de-energize the compressor.

Preparing Shutdown

Sub Modes

Description

Operational Pumpdown

The circuit is in the process shutting down by performing an operational pumpdown just prior to stopping the last running compressor. The EXV is commanded closed. Pumpdown will terminate when both the liquid level and the evap pressure are low (below specific criteria) or after a specific time has expired.

Compressor Unloading: MIN:SEC

The compressor is in its run unload time. The number of seconds remaining in run unload is shown in the submode. The run unload time must expire before the compressor will shut down.

Circuit Level Mode Top Level Mode Description

Misc.

These sub modes may be displayed in most of the top level circuit modes

Misc. Sub Modes Description

Service Pumpdown The circuit is currently performing a service pumpdown.

Restart Time Inhibit: MIN:SEC If there is accumulated Restart Inhibit Time, it must expire before a compressor is allowed to start.

DynaView Interface

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Reports Screen

The Reports tab will allow a user to select from a list of possible reports headings (i.e. Custom, ASHRAE Guideline 3, Refrigerant, etc.).

Each report will generate a list of status items as defined in the following tables.

Figure 9 - Reports screen

Table 3- Reports Screen

Report Menu Description

1. Evaporator

2. Condenser

3. Compressor

4. ASHRAE Chiller Log

5. Historic Diagnostics

Report name: System Evaporator

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Evap Entering Water Temperature + XXX.X Temperature

2. Evap Leaving Water Temperature + XXX.X Temperature

3. Evap Water Flow Switch Status (Flow, No Flow) Enum

Report name: Circuit Evaporator

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Evap Entering Water Temperature + XXX.X Temperature

2. Evap Leaving Water Temperature + XXX.X Temperature

3. Evap Sat Rfgt Temp + XXX.X Temperature

4. Suction Pressure XXX.X Pressure

5. Evap Approach Temp + XXX.X Temperature

6. Evap Water Flow Switch Status (Flow, No Flow) Enum

7. Expansion Valve Position XXX.X Percent

8. Expansion Valve Position Steps XXXX Steps

9. Evaporator Liquid Level XX.X Height

Main Reports Settings

Auto Stop Alarms

Evaporator Condenser Compressor ASHRAE Chiller Log Historic Diagnostics

DynaView Interface

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Report name: System Condenser

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Cond Entering Water Temp + XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

2. Cond Leaving Water Temp + XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

3. Cond Water Flow Switch Status (Flow, No Flow) Enum Water Cooled only (i.e. RTWD or RTUD with ACFC=None))

4. Outdoor Air Temperature + XXX.X Temperature Only if OA sensor is installed

5. Cond Head Pressure Ctrl Command XXX % Only if Cond Head pressure control option is installed

Report name: Circuit Condenser

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Cond Entering Water Temp + XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

2. Cond Leaving Water Temp + XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

3. Condenser Air Flow XXX % Air Cooled (i.e RTUD with ACFC=INT)

4. Cond Inverter Speed XXX %

5. Outdoor Air Temperature + XXX.X Temperature Only if OA sensor is installed

6. Cond Water Flow Switch Status (Flow, No Flow) Enum Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

7. Cond Sat Rfgt Temp + XXX.X Temperature

8. Cond Rfgt Pressure XXX.X Pressure

9. Differential Pressure XXX.X Pressure

10. Cond Approach Temp + XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

Report name: System Compressor

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Average Line Current XXX %RLA

2. Unit Volts XXX Volts

3. Unit Running Time XXXX:XX hr:min

4. Power Demand kW Only if pwr meter option installed

5. Power Demand Time Period min Only if pwr meter option installed

6. Energy Consump-Resettable kWh Only if pwr meter option installed

7. Time of Last Reset time-date Only if pwr meter option installed

8. Energy Consump-NonReset Kwh Only if pwr meter option installed

Air Cooled with Low Ambient Var Spd fan (i.e RTUD with ACFC<>None and with LAFC = VARA or VARP)

DynaView Interface

21RLC-SVU05A-E4

Report name: Circuit Compressor

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Oil Pressure XXX.X Pressure

2. Compressor Rfgt Dschg Temp + XXX.X Temperature

3. Cond Sat Rfgt Temp + XXX.X Temperature

4. Average Line Current XXX %RLA

5. % RLA L1 L2 L3 XXX.X %RLA

6. Amps L1 L2 L3 XXX.X Amps

7. Phase Voltages XXX Vac Only if pwr meter option installed

8. Power Consumption XXX kW Only if pwr meter option installed

9. Load Power Factor X.XXX Only if pwr meter option installed

10. Compressor Starts: XXXX Integer

11. Compressor Running Time: XXXX:XX hr:min

Report name: System ASHRAE Chiller Log

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Current Time/Date XX:XX mmm dd, yyyy Time / Date

2. Chiller Mode Enum

3. Active Chilled Water Setpoint XXX.X Temperature

4. Active Hot Water Setpoint XXX.X Temperature Hot Water Option installed only

5. Evap Entering Water Temperature XXX.X Temperature

6. Evap Leaving Water Temperature XXX.X Temperature

7. Average Leaving Water Temp XXX.X Temperature

8. Evap Water Flow Switch Status Enum

9. Outdoor Air Temperature XXX.X Temperature Only if OA sensor is installed

Report name: Circuit ASHRAE Chiller Log

<| Back System Ckt1 Ckt2 <scroll up/down buttons>

Description Resolution Units Dependencies

1. Circuit Mode Enum

2. Evap Sat Rfgt Temp XXX.X Temperature

3. Suction Pressure XXX.X Pressure

4. Evap Approach Temp XXX.X Temperature

5. Cond Sat Rfgt Temp XXX.X Temperature

6. Cond Rfgt Pressure XXX.X Pressure

7. Cond Approach Temp XXX.X Temperature Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

8. Compressor Starts XXXX Integer

9. Compressor Running Time XX:XX Hours:Minute

Items 1 - 9 will be unique for each circuit, ckt1, and ckt2.

DynaView Interface

RLC-SVU05A-E422

Settings Screen

The Settings screen provides a user the ability to adjust settings justified to support daily tasks. The layout provides a list of sub-menus, organized by typical subsystem. This organization allows each subscreen to be shorter in length which should improve the users navigation.

Figure 10 - Settings screen

Settings Menu

Description

1. Chiller

2. Feature Settings

3. Manual Control Settings

4. Display Settings

Main Reports Settings

Auto Stop Alarms

Unit Feature Settings Control Settings Manual Control Settings Display Settings

DynaView Interface

23RLC-SVU05A-E4

Chiller Description Units

1. Front Panel Cool/Heat Command (Cool, Heat), Cool Enum

2. Front Panel Chilled Water Setpt Temperature

3. Front Panel Hot Water Setpt Temperature

4. Front Panel Current Limit Setpt 1 %RLA

5. Front Panel Ice Build Cmd On/Auto Enum

6. Front Panel Ice Termination Setpoint XXX.X Temperature

7. Setpoint Source Enum

8. Leaving Water Temp Cutout XX.X Temperature

9. Low Refrigerant Temp Cutout XX.X Temperature

10. Staging Sequence (Bal Starts/Hrs, Fixed), Bal Starts/Hrs Enum

11. Condenser Pump Prestart Time XX , 0 minutes

Feature Settings

Note: Purple Box Designates Phase 2 Air Cooled RTUD items.

Description Units

1. Cooling Low Ambient Lockout (Enable, Disable), Enable Enum 1a. Cooling Low Ambient Lockout (Enable, Disable), Enable Enum 1b. Cooling Low Amb Lockout Setpt XXX.X Temperature

2. Noise Setback Command (Auto, On, Schedule), Auto Enum

3. Ice Building (Enable, Disable), Disable Enum

4. Ext Chilled/Hot Water Setpt (Enable, Disable), Disable Enum

5. Ext Current Limit Setpoint (Enable, Disable), Disable Enum

6 Chilled Water Reset

6a. Chilled Water Reset Enum

6b. Return Reset Ratio XXX Percent 6c. Return Start Reset XXX.X Temperature 6d. Return Maximum Reset XXX.X Temperature 6e. Outdoor Reset Ratio XXX Percent 6f. Outdoor Start Reset XXX.X Temperature 6g. Outdoor Maximum Reset XXX.X Temperature

7. LCI-C Diag Language Enum

8. LCI-C Diag Encoding (Text, Code) Text Enum

Items 1 and 6 are top level. If user presses this line another screen opens to allow user to change relevant setpoints. Items 7 and 8 are present if comm5 LCI-C option is installed.

Resolution or (Enumerations), Default

(BAS/Ext/FP, Ext/ Front Panel, Front Panel), BAS/Ext/FP

(2) + XXX.X

(Const Return, Outdoor, Return, Disable), Disable

(English, Selection 2, Selection 3) English (0)

DynaView Interface

RLC-SVU05A-E424

System Manual Control Settings

<| Back System Ckt1 Ckt2

Description Resolution or (Enumerations), Default Units Monitor Value Dependency

1. Evap Water Pump (Auto, On), Auto (6) Enum

1) Water Flow status

1.a.Evap Water Pump <Auto / On Buttons> 2) Override Time Remaining

2. Cond Water Pump (Auto, On), Auto (6) Enum

1) Water Flow status

Water Cooled only (i.e. RTWD or RTUD with ACFC=None)

2.a. Cond Water Pump <Auto / On Buttons> 2) Override Time Remaining

3. Head Pressure Control (Auto, Manual), Auto (7) Enum

1) Override status Auto/Manual

Only if Cond Head pressure control option is installed

3.a. Head Pressure Control <Auto / Manual Buttons> (7)

4. Staging/Stepping Control (Auto, Manual), Auto (7) Enum

Only if Cond Head pressure control option is installed

4.a. Staging/Stepping Control <Auto / Manual Buttons> (7)

5. Capacity Modulation Control (Auto, Manual), Auto (7) Enum

Only if Cond Head pressure control option is installed

5a. Capacity Modulation Control <Auto / Manual Buttons> (7)

6. Clear Energy Consumption

1) Resettable Energy consumption totalization (kWh)

Enum

1) Resettable Energy consumption totalization (kWh)

Only if Energy Meter option is installed

6.a. Clear Energy Consumption <Clear Button>

Circuit Manual Control Settings

Description Resolution or (Enumerations), Default Units Monitor Value

1. Compressor Pumpdown (Continue, Not Available)

Enum

1) Override status: NotAvailable / Continue / Starting / Pumpdown

1.a. Compressor Pumpdown <Pumpdown / Abort Buttons> (8) 2) Suction Pressure

2. Front Panel Ckt Lockout (Not Locked Out, Locked Out), Not Locked Out

Enum

2.a. Front Panel Ckt Lockout <Not Locked Out / Locked Out Buttons>

3. Expansion Valve Control (Auto, Manual)

Enum

3.a. Expansion Valve Control <Auto / Manual Buttons> (7)

1.1.1 Display Settings Description Units

1. Date Format Enum

2. Date (4)

3. Time Format (12-hour, 24-hour), 12-hour Enum

4. Time of Day (4)

5. Keypad/Display Lockout (Enable, Disable), Disable (3) Enum

6. Display Units (SI, English), SI Enum

7. Pressure Units (Absolute, Gauge), Gauge Enum

8. Language (5) Enum

(1) Language choices are dependent on what the Service Tool has setup in the Main Processor. Get Radio Button

names from Main Processor setups. Language selections will include English and qty 2 alternate as loaded by TechView.

(2) Temperatures will be adjustable to 0.1 deg F or C. The Main Processor will provide the minimum and

maximum allowable value.

(3) Enables a DynaView Lockout screen. All other screens timeout in 30 minutes to this screen. The DynaView

Lockout Screen will have 0-9 keypad to permit the user to re-enter the other DynaView screens with a fixed password. See below for further details.

(4) The Date and Time setup screen formats deviate slightly from the standard screens defined above. See the

alternate screen layouts below.

(5) Language shall always be the last setting listed on the Control Settings menu (which will also always be the

last item listed on the Settings menu list). This will allow a user to easily find language selection if looking at

an unrecognizable language. (6) The pump on mode terminates after 60 minutes. (7) These items cannot be set to "Manual" from the DynaView - The manual buttons on the Manual Control

submode screen are hidden unless the particular item has been set to manual from the Service Tool - The

auto button shall be operational to change the mode back to auto. The subscreen shall also display a note:

"Manual not available from Front Panel - See Service Tool for Manual Mode" (8) Buttons are displayed on this Manual Control submode screens depending on the pumpdown status:, when in

"pumpdown", the abort button is shown, when "not available", no buttons shown, when "continue",

pumpdown button is shown.

DynaView Interface

25RLC-SVU05A-E4

Resolution or (Enumerations), Default

("mmm dd, yyy", "dd-mmm-yyyy"), "mmm dd, yyy"

(English, Selection 2, Selection 3), English (1)

DynaView Interface

RLC-SVU05A-E426

Auto, Stop/Immediate Stop

The AUTO and STOP keys are radio buttons within the persistent key display area. The selected key will be black.

The chiller will stop when the STOP key is touched, entering the Run Unload mode. An informational screen will be displayed for 5 seconds indicating that a second depression of an "Immediate Stop" key during this time period will result in an immediate/panic stop. Pressing the "Immediate Stop" key while the panic stop screen is displayed, will cause the unit to stop immediately, skipping operational pumpdown.

Touching the Auto key will arm the chiller for active cooling if no diagnostic is present. A separate action must be taken to clear active diagnostics.

The AUTO and STOP keys take precedence over the ENTER and CANCEL keys. While a setting is being changed, AUTO and STOP keys are recognized even if ENTER or CANCEL has not been pressed.

When an active diagnostic is present, an ALARMS key will be added to the persistent display area. This key is used to alert the operator that a diagnostic exists, or to provide navigation to a diagnostic display screen.

Figure 11

Auto Stop Alarms

DynaView Interface

27RLC-SVU05A-E4

Diagnostics Screen

The diagnostic screen is accessible by depressing the Alarms enunciator. A verbal description will be provided. A scrollable list of the last (up to 10) active diagnostics will be presented.

Performing a Reset All Active Diagnostics will reset all active diagnostics regardless of type, machine or refrigerant circuit. Compressor diagnostics, which hold off only one compressor, will be treated as circuit diagnostics, consistent with the circuit to which they belong.

The scrollable list will be sorted by time of occurrence. If a diagnostic of severity = warning is present, the "Alarms" key will be present but not flashing. If a diagnostic of severity = shutdown (normal or immediate) is present, the "Alarm" key will display that is flashing. If no diagnostics exist, the "Alarm" key will not be present.

The "Operating Mode At Last Diagnostic" text above the most recent diagnostic will display a subscreen listing the operating mode and submodes at the time of the last diagnostic.

Figure 12 - Diagnostics screen

Rfgt Setpoint Diagnostic

Auto Stop Alarms

Reset Diags

Operating Mode At Last Diagnostic: [01] 10:56 PM Nov 26, 2001 Low Chilled Water Temp: Unit Off [02] 10:55 PM Nov 26, 2001 Low Evaporator Temp: Unit Off

Diagnostics

RLC-SVU05A-E428

The following diagnostic table contains all the diagnostics possible. Not all data is available unless tech view is connected.

Code: Three digit hexadecimal code used on all past products to uniquely identify diagnostics.

Diagnostic Name: Name of Diagnostic and its source. Note that this is the exact text used in the User Interface and/or Service Tool displays.

Severity: Defines the severity of the above effect. Immediate means immediate shutdown of the effected portion, Normal means normal or friendly shutdown of the effected portion, Special Mode means a special mode of operation (limp along) is invoked, but without shutdown, and Info means an Informational Note or Warning is generated.

Persistence: Defines whether or not the diagnostic and its effects are to be manually reset (Latched), or can be either manually or automatically reset (Nonlatched).

Criteria: Quantitatively defines the criteria used in generating the diagnostic and, if nonlatching, the criteria for auto reset. If more explanation is necessary a hot link to the Functional Specification is used.

Reset Level: Defines the lowest level of manual diagnostic reset command which can clear the diagnostic. The manual diagnostic reset levels in order of priority are: Local and Remote. A diagnostic that has a reset level of Local, can only be reset by a local diagnostic reset command, but not by the lower priority remote Reset command whereas a diagnostic listed as Remote reset can be reset by either.

Affects Target itemized with an * asterisk: applied to many comm loss and starter module derived diagnostic targets, listed as circuit targeted diagnostics, but should be understood as "cprsr" targeted diagnostics.

Diagnostics

Diagnostic Name and Source

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Starter Did Not Transition Compressor 1A

*Circuit Immediate

Latch

On the first check after transition.

The Starter Module did not receive a transition complete signal in the designated time from its command to transition. The must hold time from the Starter Module transition command is 1 second. The Must trip time from the transition command is 6 seconds. Actual design is 2.5 seconds. This diagnostic is active only for Y-Delta, Auto-Transformer, Primary Reactor, and X-Line Starters.

Local

Starter Did Not Transition Compressor 2A

*Circuit Immediate

Latch

On the first check after transition.

The Starter Module did not receive a transition complete signal in the designated time from its command to transition. The must hold time from the Starter Module transition command is 1 second. The Must trip time from the transition command is 6 seconds. Actual design is 2.5 seconds. This diagnostic is active only for Y-Delta, Auto-Transformer, Primary Reactor, and X-Line Starters.

Local

Phase Reversal Compressor 1A

*Circuit Immediate

Latch

Compressor energized to transition command [All Other Times]

A phase reversal was detected on the incoming current. On a compressor startup the phase reversal logic must detect and trip in a maximum of .3 second from compressor start.

Local

Phase Reversal Compressor 2A

*Circuit Immediate

Latch

Compressor energized to transition command [All Other Times]

A phase reversal was detected on the incoming current. On a compressor startup the phase reversal logic must detect and trip in a maximum of .3 second from compressor start.

Local

Starter 1A Dry Run Test

*Circuit Immediate

Latch

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.

Local

Starter 2A Dry Run Test

*Circuit Immediate

Latch

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.

Local

Phase Loss Compressor 1A

*Circuit Immediate

Latch

Start Sequence and Run modes

a) No current was sensed on one or two of the current transformer inputs while running or starting (See Nonlatching Power Loss Diagnostic for all three phases lost while running). Must hold = 20% RLA. Must trip = 5% RLA. Time to trip shall be longer than guaranteed reset on Starter Module at a minimum, 3 seconds maximum. Actual design trippoint is 10%. The actual design trip time is 2.64 seconds. b) If Phase reversal protection is enabled and current is not sensed on one or more current xformer inputs. Logic will detect and trip in a maximum of 0.3 seconds from compressor start.

Local

Table 4 - Main Processor Diagnostics

29RLC-SVU05A-E4

Diagnostics

RLC-SVU05A-E430

Diagnostic Name and Source

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Phase Loss Compressor 2A

*Circuit Immediate

Latch

Start Sequence and Run modes

a) No current was sensed on one or two of the current transformer inputs while running or starting (See Nonlatching Power Loss Diagnostic for all three phases lost while running). Must hold = 20% RLA. Must trip = 5% RLA. Time to trip shall be longer than guaranteed reset on Starter Module at a minimum, 3 seconds maximum. Actual design trippoint is 10%. The actual design trip time is 2.64 seconds. b) If Phase reversal protection is enabled and current is not sensed on one or more current xformer inputs. Logic will detect and trip in a maximum of 0.3 second from compressor start

Local

Power Loss Compressor 1A

*Circuit Immediate

NonLatch

All compressor running modes [all compressor starting and nonrunning modes]

The compressor had previously established currents while running and then all three phases of current were lost. Design: Less than 10% RLA, trip in 2.64 seconds. This diagnostic will preclude the Phase Loss Diagnostic and the Transition Complete Input Opened Diagnostic from being called out. To prevent this diagnostic from occurring with the intended disconnect of main power, the minimum time to trip must be greater than the guaranteed reset time of the Starter module. Note: This diagnostic prevents nuisance latching diagnostics due to a momentary power loss - It does not protect motor/compressor from uncontrolled power reapplication. See Momentary Power Loss Diagnostic for this protection. This diagnostic is not active during the start mode before the transition complete input is proven. Thus a random power loss during a start would result in either a "Starter Fault Type 3" or a "Starter Did Not Transition" latching diagnostic.

Remote

Power Loss Compressor 2A

*Circuit Immediate

NonLatch

All compressor running modes [all compressor starting and nonrunning modes]

The compressor had previously established currents while running and then all three phases of current were lost. Design: Less than 10% RLA, trip in 2.64 seconds. This diagnostic will preclude the Phase Loss Diagnostic and the Transition Complete Input Opened Diagnostic from being called out. To prevent this diagnostic from occurring with the intended disconnect of main power, the minimum time to trip must be greater than the guaranteed reset time of the Starter module.

Remote

Severe Current Imbalance Compressor 1A

*Circuit Immediate

Latch

All Running Modes A 30% Current Imbalance has been detected on one

phase relative to the average of all 3 phases for 90 continuous seconds.

Local

Severe Current Imbalance Compressor 2A

*Circuit Immediate

Latch

All Running Modes A 30% Current Imbalance has been detected on one

phase relative to the average of all 3 phases for 90 continuous seconds

Local

Starter Fault Type I Compressor 1A

*Circuit Immediate

Latch

Starting - Y Delta Starters Only

This is a specific starter test where 1M(1K1) 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.

Local

Diagnostics

31RLC-SVU05A-E4

Diagnostic Name and Source

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Starter Fault Type I Compressor 2A

*Circuit Immediate

Latch

Starting - Y Delta Starters Only

This is a specific starter test where 1M(1K1) 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.

Local

Starter Fault Type II Compressor 1A

*Circuit Immediate

Latch

Starting All types of starters

a. This is a specific starter test where the Shorting Contactor (1K3) is individually energized and a check is made to ensure that there are no currents detected by the CT's. 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.).

Local

Starter Fault Type II Compressor 2A

*Circuit Immediate

Latch

Starting - All types of starters

a. This is a specific starter test where the Shorting Contactor (1K3) is individually energized and a check is made to ensure that there are no currents detected by the CT's. 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.).

Local

Starter Fault Type III

- Compressor 1A

*Circuit Immediate

Latch

Starting [Adaptive Frequency Starter Type]

As part of the normal start sequence to apply power to the compressor, the Shorting Contactor (1K3) and then the Main Contactor (1K1) 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. The test above applies to all forms of starters except Adaptive Frequency Drives.

Local

Starter Fault Type III

- Compressor 2A

*Circuit Immediate

Latch

Starting [Adaptive Frequency Starter Type]

As part of the normal start sequence to apply power to the compressor, the Shorting Contactor (1K3) and then the Main Contactor (1K1) 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. The test above applies to all forms of starters except Adaptive Frequency Drives.

Local

Compressor Did Not Accelerate: Transition Compressor 1A

*Circuit Info

Latch

Start Mode The compressor did not come up to speed (fall to

<85%RLA) in the allotted time defined by the Maximum Acceleration Timer and a transition was forced (motor put across the line) at that time. This applies to all starter types.

Remote

Compressor Did Not Accelerate: Transition Compressor 2A

*Circuit Info

Latch

Start Mode The compressor did not come up to speed (fall to

<85%RLA) in the allotted time defined by the Maximum Acceleration Timer and a transition was forced (motor put across the line) at that time. This applies to all starter types.

Remote

Transition Complete Input Shorted Compressor 1A

*Circuit Immediate Latch Pre-Start

The Transition Complete input was found to be shorted before the compressor was started. This is active for all electromechanical starters.

Local

Transition Complete Input Shorted Compressor 2A

*Circuit Immediate Latch Pre-Start

The Transition Complete input was found to be shorted before the compressor was started. This is active for all electromechanical starters.

Local

Diagnostics

RLC-SVU05A-E432

Diagnostic Name and Source

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Transition Complete Input Opened Compressor 1A

*Circuit Immediate

Latch

All running modes The Transition Complete input was found to be opened

with the compressor motor running after a successful completion of transition. This is active only for Y-Delta, Auto-Transformer, Primary Reactor, and X-Line Starters. To prevent this diagnostic from occurring as the result of a power loss to the contactors, the minimum time to trip must be greater than the trip time for the power loss diagnostic.

Local

Transition Complete Input Opened Compressor 2A

*Circuit Immediate

Latch

All running modes The Transition Complete input was found to be opened

with the compressor motor running after a successful completion of transition. This is active only for Y-Delta, Auto-Transformer, Primary Reactor, and X-Line Starters. To prevent this diagnostic from occurring as the result of a power loss to the contactors, the minimum time to trip must be greater than the trip time for the power loss diagnostic.

Local

Motor Current Overload Compressor 1A

Circuit Immediate

Latch

Cprsr Energized Compressor current exceeded overload time vs. trip

characteristic. Must trip = 140% RLA, Must hold=125%, nominal trip 132.5% in 30 seconds

Local

Motor Current Overload Compressor 2A

Circuit Immediate

Latch

Cprsr Energized Compressor current exceeded overload time vs. trip

characteristic. Must trip = 140% RLA, Must hold=125%, nominal trip 132.5% in 30 seconds

Local

Starter Contactor Interrupt Failure Compressor 1A

Chiller Special

Action

Latch

Starter Contactor not Energized [Starter Contactor Energized]

Detected compressor currents greater than 10% RLA on any or all phases when the compressor was commanded off. Detection time shall be 5 second minimum and 10 seconds maximum. On detection and until the controller is manually reset: generate diagnostic, energize the appropriate alarm relay, continue to energize the Evap Pump Output, continue to command the affected compressor off, fully unload the effected compressor and command a normal stop to all other compressors. For as long as current continues, perform liquid level, oil return, and fan control on the circuit effected.

Local

Starter Contactor Interrupt Failure Compressor 2A

Chiller Special

Action

Latch

Starter Contactor not Energized [Starter Contactor Energized]

Detected compressor currents greater than 10% RLA on any or all phases when the compressor was commanded off. Detection time shall be 5 second minimum and 10 seconds maximum. On detection and until the controller is manually reset: generate diagnostic, energize the appropriate alarm relay, continue to energize the Evap Pump Output, continue to command the affected compressor off, fully unload the effected compressor and command a normal stop to all other compressors. For as long as current continues, perform liquid level, oir return, and fan control on the circuit effected.

Local

Over Voltage

Chiller Normal

NonLatch

Pre-Start and Any Ckt(s) Energzd

Nom. trip: 60 seconds at greater than 112.5%, + 2.5%, Auto Reset at 110% or less for 10 cont secs.

Remote

Under Voltage

Chiller Normal NonLatch

Pre-Start and Any Ckt(s) Energzd

Nom. trip: 60 seconds at less than 87.5%, + 2.8% at 200V 1.8% at 575V, Auto Reset at 90% or greater for 10 cont secs.

Remote

Main Processor Diagnostics

33RLC-SVU05A-E4

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

MP: Reset Has Occurred

None Info

NonLatch

All The main processor has successfully come out of a

reset and built its application. A reset may have been due to a power up, installing new software or configuration. This diagnostic is immediately and automatically cleared and thus can only be seen in the Historic Diagnostic List in TechView

Remote

Unexpected Starter Shutdown

Circuit Normal

NonLatch

All Cprsr Running modes, Starting, Running and Preparing to Shutdown

The Starter module status reported back that it is stopped when the MP thinks it should be running and no Starter diagnostic exist. This diagnostic will be logged in the active buffer and then automatically cleared. This diagnostic could be caused by intermittent communication problems from the Starter to the MP, or due to misbinding.

NA

High Motor Winding Temperature Compressor 1A

Circuit Immediate

Latch

All The respective compressor's motor winding thermostat

is detected to be open

Local

High Motor Winding Temperature Compressor 2A

Circuit Immediate

Latch

All The respective compressor's motor winding thermostat

is detected to be open

Local

Low Evaporator Refrigerant Temperature Circuit 1

Circuit Immediate

Latch

All Ckt Running Modes

The inferred Saturated Evap Refrigerant Temperature (calculated from suction pressure transducer dropped below the Low Refrigerant Temperature Cutout Setpoint for 1125°F-sec (25°F-sec max rate) while the circuit was running. The minimum LRTC setpoint is -5°F (18.7 Psia) the point at which oil separates from the refrigerant. During the time that the trip integral is non zero, the unload solenoid(s) of the running compressors on the circuit, shall be energized continuously and the load solenoid shall be off. Normal load/unload operation will be resumed if the trip integral decays to zero by temps above the cutout setpoint. The integral is held nonvolatily though power down, is continuously calculated, and can decay during the circuit's off cycle as conditions warrant.

Remote

Low Evaporator Refrigerant Temperature Circuit 2

Circuit Immediate

Latch

All Ckt Running Modes

The inferred Saturated Evap Refrigerant Temperature (calculated from suction pressure transducer dropped below the Low Refrigerant Temperature Cutout Setpoint for 1125°F-sec (25°F-sec max rate) while the circuit was running. The minimum LRTC setpoint is -5°F (18.7 Psia) the point at which oil separates from the refrigerant. During the time that the trip integral is non zero, the unload solenoid(s) of the running compressors on the circuit, shall be energized continuously and the load solenoid shall be off. Normal load/unload operation will be resumed if the trip integral decays to zero by temps above the cutout setpoint. The integral is held nonvolatily though power down, is continuously calculated, and can decay during the circuit's off cycle as conditions warrant.

Remote

Main Processor Diagnostics

RLC-SVU05A-E434

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Low Oil Flow Compressor 1A

Circuit Immediate

Latch

Cprsr Energized and Delta P above 15 Psid

The intermediate oil pressure transducer for this compressor was out of the acceptable pressure range for 15 seconds, while the Delta Pressure was greater than 15 Psid (172.4 kPa).: Acceptable range is 0.50 > (PC-PI) / (PC-PE) for the first 2.5 minutes of operation,

and 0.28 > (PC-PI) / (PC-PE) thereafter.

Local

Low Oil Flow Compressor 2A

Circuit Immediate

Latch

Cprsr Energized and Delta P above 15 Psid

The intermediate oil pressure transducer for this compressor was out of the acceptable pressure range for 15 seconds, while the Delta Pressure was greater than 15 Psid (172.4 kPa).: Acceptable range is 0.50 > (PC-PI) / (PC-PE) for the first 2.5 minutes of operation,

and 0.28 > (PC-PI) / (PC-PE) thereafter.

Local

Loss of Oil Compressor 1A (Running)

Circuit Immediate

Latch

Starter Contactor Energized

In running modes , Oil Loss Level Sensor detects lack of oil in the oil sump feeding the compressor (distinguishing a liquid flow from a vapor flow)

Local

Loss of Oil Compressor 2A (Running)

Circuit Immediate

Latch

Starter Contactor Energized

In running modes , Oil Loss Level Sensor detects lack of oil in the oil sump feeding the compressor (distinguishing a liquid flow from a vapor flow)

Local

Loss of Oil Compressor 1A (Stopped)

Circuit Immediate

and Special

Action

Latch

Compressor Pre-start [all other modes]

Oil Loss Level Sensor detects a lack of oil in the oil sump feeding the compressor for 90 seconds just prior to attempted compressor start. Note: Compressor start is delayed while waiting for oil to be detected, and compressor start is not allowed.

Local

Loss of Oil Compressor 2A (Stopped)

Circuit

Immediate

and Special

Action

Latch

Compressor Pre-start [all other modes]

Oil Loss Level Sensor detects a lack of oil in the oil sump feeding the compressor for 90 seconds just prior to attempted compressor start. Note: Compressor start is delayed while waiting for oil to be detected, and compressor start is not allowed.

Local

No Differential Refrigerant Pressure - Circuit 1

Circuit Immediate Latch

Compressor running on Circuit

The system differential pressure was below 7.7 Psid (53 kPa) for 6 seconds after the 11 seconds ignore time relative to cprsr/circuit startup had expired.

Remote

No Differential Refrigerant Pressure - Circuit 2

Circuit Immediate Latch

Compressor running on Circuit

The system differential pressure was below 7.7 Psid (53 kPa) for 6 seconds after the 11 seconds ignore time relative to cprsr/circuit startup had expired.

Remote

Low Differential Refrigerant Pressure - Circuit 1

Circuit Immediate Latch Cprsr Energized

The system differential pressure for the respective circuit was below 25 Psid (240.5 kPa) while its compressor was unstepped or pressure ratio was below

1.75 if stepped - for a varying period of time - refer to specification for trip time as a function of system DP below the requirement

Remote

Low Differential Refrigerant Pressure - Circuit 2

Circuit Immediate Latch Cprsr Energized

The system differential pressure for the respective circuit was below 25 Psid (240.5 kPa) while its compressor was unstepped or pressure ratio was below

1.75 if stepped - for a varying period of time - refer to specification for trip time as a function of system DP below the requirement

Remote

High Differential Refrigerant Pressure - Circuit 1

Circuit Normal

Latch

Cprsr Energized High Vi Cprsr: The differential pressure for the respective

circuit was above 275 Psid (1890 kPa) for 2 consecutive samples or more than 10 seconds.

Low Vi Cprsr: The system differential pressure was

above 188 Psid (1296.4 kPa) - for 2 consecutive samples or more than 10 seconds.

Remote

Main Processor Diagnostics

35RLC-SVU05A-E4

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

High Differential Refrigerant Pressure - Circuit 2

Circuit Normal

Latch

Cprsr Energized High Vi Cprsr: The differential pressure for the

respective circuit was above 275 Psid (1890 kPa) for 2 consecutive samples or more than 10 seconds. Low Vi Cprsr: The system differential pressure was above 188 Psid (1296.4 kPa) - for 2 consecutive samples or more than 10 seconds.

Remote

High Refrigerant Pressure Ratio Circuit 1

Circuit Immediate

Latch

Service Pumpdown Only

The pressure ratio for the respective circuit exceeded

5.61 for 1 contiguous minute while in service pumpdown. This pressure ratio is a fundamental limitation of the compressor. The pressure ratio is defined as Pcond (abs)/Pevap(abs).

Remote

High Refrigerant Pressure Ratio Circuit 2

Circuit Immediate

Latch

Service Pumpdown Only

The pressure ratio for the respective circuit exceeded

5.61 for 1 contiguous minute while in service pumpdown. This pressure ratio is a fundamental limitation of the compressor. The pressure ratio is defined as Pcond (abs)/Pevap(abs).

Remote

High Discharge Temperature Compressor 1A

Circuit Immediate

Latch

All [compressor run unload or compressor not running]

The compressor discharge temperature exceeded 200°F (without oil cooler) or 230ºF (with oil cooler). This diagnostic will be suppressed during Run-Unload or after the compressor has stopped. Note: As part of the Compressor High Temperature Limit Mode (aka Minimum Capacity Limit), the compressor shall be forced loaded as the filtered discharge temperature reaches 190ºF(without oil coolers), or 220ºF (with oil coolers).

Remote

High Discharge Temperature Compressor 2A

Circuit Immediate

Latch

All [compressor run unload or compressor not running]

The compressor discharge temperature exceeded 200°F (without oil cooler) or 230ºF (with oil cooler). This diagnostic will be suppressed during Run-Unload or after the compressor has stopped. Note: As part of the Compressor High Temperature Limit Mode (aka Minimum Capacity Limit), the compressor shall be forced loaded as the filtered discharge temperature reaches 190ºF(without oil coolers), or 220ºF (with oil coolers).

Remote

Low Discharge Superheat Circuit 1

Circuit Normal Latch Any Running Mode

While Running Normally, the Discharge Superheat was less than 12 degrees F +- 1F for more than 6500 degree F seconds.. At circuit startup the Discharge Superheat will be ignored for 5 minutes.

Remote

Low Discharge Superheat Circuit 2

Circuit Normal Latch Any Running Mode

While Running Normally, the Discharge Superheat was less than 12 degrees F +- 1F for more than 6500 degree F seconds.. At circuit startup the Discharge Superheat will be ignored for 5 minutes.

Remote

Discharge Temperature Sensor Compressor 1A

Circuit Immediate Latch All Bad Sensor or LLID Remote

Discharge Temperature Sensor Compressor 2A

Circuit Immediate Latch All Bad Sensor or LLID Remote

Evaporator Liquid Level Sensor Circuit 1

Circuit Normal Latch All Bad Sensor or LLID Remote

Evaporator Liquid Level Sensor Circuit 2

Circuit Normal

Latch

All Bad Sensor or LLID Remote

Main Processor Diagnostics

RLC-SVU05A-E436

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Fan Inverter Fault Circuit 1

Circuit (fan

control)

Special Mode

(or in single

fan deck:

Circuit

Immediate

shutdown

NonLatch (or

in single fan

deck:Latch)

Prestart and Running w/ Low Ambient Variable Spd Fan configured

A fault signal has been detected from the respective condenser's Variable Speed Inverter Drive (fan). Condenser Fan control will revert to constant speed operation without the use of the inverter's fan. If the inverter's fault clears, fan control will switch back to variable speed. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

Fan Inverter Fault Circuit 2

Circuit (fan

control)

Special Mode

(or in single

fan deck:

Circuit

Immediate

shutdown

NonLatch (or

in single fan

deck:Latch)

Prestart and Running w/ Low Ambient Variable Spd Fan configured

A fault signal has been detected from the respective condenser's Variable Speed Inverter Drive (fan). Condenser Fan control will revert to constant speed operation without the use of the inverter's fan. If the inverter's fault clears, fan control will switch back to variable speed. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

BAS Failed to Establish Communication

None Special

Action

NonLatch

At power-up The BAS was setup as "installed" and the BAS did not

communicate with the Lontalk LCIC within 15 minutes after chiller controls power-up. Refer to Section on Setpoint Arbitration to determine how setpoints and operating modes may be effected. Note that this diagnostic is never operational for BacNet Communication interface (BCIC) and only operational with a LonTalk Communication interface (LCIC) if so configured by the BAS or Tracer system.

Remote

BAS Communication Lost

None Special

Action

NonLatch

All The BAS was setup as "installed" at the MP and the

Lontalk LCIC lost communications with the BAS for 15 contiguous minutes after it had been established. Refer to Section on Setpoint Arbitration to determine how setpoints and operating modes may be effected by the comm loss. The chiller follows the value of the Tracer Default Run Command which can be previously written by Tracer and stored nonvolatilely by the MP (either use local or shutdown). Note that this diagnostic is never operational for BacNet Communication interface (BCIC) and only operational with a LonTalk Communication interface (LCIC) if so configured by the BAS or Tracer system.

Remote

Low Evaporator Liquid Level Circuit 1

None Info

NonLatch

Starter Contactor Energized [all Stop modes]

The liquid level sensor is seen to be at or near its low end of range for 80 contiguous minutes while the compressor is running and the EXV has not been in low differential pressure control during that time. Design: approx 20% or less of bit count corresponding to -40 mm or less liquid level for 80 minutes - the minute counter is reset if EXV is in Low DP control for 5 iterations (10 sec) implemented as an integral.

Remote

Low Evaporator Liquid Level Circuit 2

None Info NonLatch

Starter Contactor Energized [all Stop modes]

The liquid level sensor is seen to be at or near its low end of range for 80 contiguous minutes while the compressor is running and the EXV has not been in low differential pressure control during that time. Design: approx 20% or less of bit count corresponding to -40 mm or less liquid level for 80 minutes - the minute counter is reset if EXV is in Low DP control for5 iterations (10 sec) implemented as an integral .

Remote

Main Processor Diagnostics

37RLC-SVU05A-E4

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

High Evaporator Liquid Level - Circuit 1 (early Phase 1 RTWD production only - eliminated in 2nd Phase 1 release in Sept 08)

Circuit Normal

Latch

Starter Contactor Energized [all Stop modes]

The liquid level sensor is seen to be at or near its high end of range for 80 contiguous minutes while the compressor is running. (The diagnostic timer will hold, but not clear when the circuit is off). Design: approx 80% or more of bit count corresponding to +30 mm or more liquid level for 80 minutes).

Remote

High Evaporator Liquid Level - Circuit 2 (early Phase 1 RTWD production only - eliminated in 2nd Phase 1 release in Sept 08)

Circuit Normal

Latch

Starter Contactor Energized [all Stop modes]

The liquid level sensor is seen to be at or near its high end of range for 80 contiguous minutes while the compressor is running. (The diagnostic timer will hold, but not clear when the circuit is off). Design: approx 80% or more of bit count corresponding to +30 mm or more liquid level for 80 minutes).

Remote

External Chilled/Hot Water Setpoint

None Info

Latch

All a. Function Not "Enabled": no diagnostics. b. "Enabled ":

Out-Of-Range Low or Hi or bad LLID, set diagnostic, default CWS to next level of priority (e.g. Front Panel SetPoint). This Info diagnostic will automatically reset if the input returns to the normal range.

Remote

External Current Limit Setpoint

None Info

Latch

All a. Not "Enabled": no diagnostics. b. "Enabled ": Out-Of-

Range Low or Hi or bad LLID, set diagnostic, default CLS to next level of priority (e.g. Front Panel SetPoint. This Info diagnostic will automatically reset if the input returns to the normal range.

Remote

Evaporator Water Flow (Entering Water Temp)

None Info

Latch

Any Ckt(s) Energzd [No Ckt(s) Energzd]

The entering evaporator water temp fell below the leaving evaporator water temp by more than 2°F for 100°F-sec. For falling film evaporators, this diagnostic cannot reliably indicate loss of flow, but can warn of improper flow direction through the evaporator, misbound water temperature sensors, improper sensor installation, partially failed sensors, or other system problems. Note that either entering or leaving water temp sensor could be at fault.

Remote

Evaporator Entering Water Temperature Sensor

Chiller Normal Latch All

Bad Sensor or LLID. Note: Entering Water Temp Sensor is used in EXV pressure control as well as ice making so it must cause a unit shutdown even if ice or CHW reset is not installed.

Remote

Evaporator Leaving Water Temperature Sensor

Chiller Normal Latch All Bad Sensor or LLID Remote

Condenser Entering Water Temperature Sensor

Chiller

Info and

Special

Action

Latch All

RTWD only: Bad Sensor or LLID. If chiller running, and condenser water regulating valve option installed, force valve to 100% flow.

Remote

Condenser Leaving Water Temperature Sensor

Chiller

Info and

Special

Action

Latch All

RTWD only: Bad Sensor or LLID. If Chiller is running in the heat mode of operation - normal chiller shutdown, otherwise, informational warning only. Discontinue Min Capacity Limit forced cprsr loading due to Low DP in subsequent startups.

Remote

Condenser Refrigerant Pressure Transducer Circuit 1

Circuit Immediate Latch All Bad Sensor or LLID Remote

Condenser Refrigerant Pressure Transducer Circuit 2

Circuit Immediate Latch All Bad Sensor or LLID Remote

Suction Refrigerant Pressure Transducer Circuit 1

Circuit Immediate Latch All Bad Sensor or LLID Remote

CG-SVU02C-E438

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Suction Refrigerant Pressure Transducer

- Circuit 2

Circuit Immediate

Latch

All Bad Sensor or LLID Remote

Evaporator Approach Error Circuit 1

Circuit Immediate

Latch

Respective circuit running

The Evaporator approach temperature for the respective circuit (ELWT - Evap Sat Temp Ckt x) is negative by 10ºF or more, for 1 minute continuously while the circuit / compressor is operating. Either the Evap Leaving Water Temp sensor, or Evap Suction Rfgt Pressure Transducer Ckt 1 is in error.

Remote

Evaporator Approach Error Circuit 2

Circuit Immediate

Latch

Respective circuit running

The Evaporator approach temperature for the respective circuit (ELWT - Evap Sat Temp Ckt x) is negative by 10ºF or more, for 1 minute continuously while the circuit / compressor is operating. Either the Evap Leaving Water Temp sensor, or Evap Suction Rfgt Pressure Transducer Ckt 2 is in error

Remote

Oil Pressure Transducer Compressor 1A

Circuit Immediate

Latch

All Bad Sensor or LLID Remote

Oil Pressure Transducer Compressor 2A

Circuit Immediate

Latch

All Bad Sensor or LLID Remote

Oil Pressure System Fault Circuit 1

Circuit Immediate Latch

Starter Contactor Energized [all Stop modes]

The Intermediate Oil Pressure Transducer for this cprsr is reading a pressure either above its respective circuit's Condenser Pressure by 15 Psia or more, or below its respective Suction Pressure 10 Psia or more for 30 seconds continuously.

Local

Oil Pressure System Fault Circuit 2

Circuit Immediate Latch

Starter Contactor Energized [all Stop modes]

The Intermediate Oil Pressure Transducer for this cprsr is reading a pressure either above its respective circuit's Condenser Pressure by 15 Psia or more, or below its respective Suction Pressure 10 Psia or more for 30 seconds continuously.

Local

Low Evaporator Refrigerant Pressure - Circuit 1

Circuit Immediate Latch

Cprsr Prestart and Cprsr Energized

a. The Evap Refrig Pressure dropped below 10 Psia just prior to compressor start (after EXV preposition). b. For RTUD A/C during early startup period: The Evap Refrig Pressure fell below the Condenser Pressure ÷ 8, limited to between 2 and 10 psia. c. For RTWD (or RTUD, ACFC=none) during early startup period: The Evap Refrig Pressure fell below 10 Psia. d. For all chiller types, after early Startup Period expires: The Evap Refrig Pressure fell below 16 Psia. (Note: the Startup Period for RTWD is 3 min ; for RTUD it is between 1 and 5 min for as an inverse function of the Cond Temp measured at time of circuit startup).

Local

39CG-SVU02C-E4

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Low Evaporator Refrigerant Pressure

- Circuit 2

Circuit Immediate

Latch

Cprsr Prestart and Cprsr Energized

a. The Evap Refrig Pressure dropped below 10 Psia just prior to compressor start (after EXV preposition). b. For RTUD A/C during early startup period: The Evap Refrig Pressure fell below the Condenser Pressure ÷ 8, limited to between 2 and 10 psia. c. For RTWD (or RTUD, ACFC=none) during early startup period: The Evap Refrig Pressure fell below 10 Psia. d. For all chiller types, after early Startup Period expires: The Evap Refrig Pressure fell below 16 Psia. (Note: the Startup Period for RTWD is 3 min; for RTUD it is between 1 and 5 min for as an inverse function of the Cond Temp measured at time of circuit startup).

Local

Very Low Evaporator Refrigerant Pressure

- Circuit 1

Chiller Immediate

Latch

All [compressor or circuit in manual lockout]

The respective circuit's evaporator pressure dropped below 80% of the current Low Evap Refrig Press Cutout setting (see above) or 8 psia, whichever is less, regardless of the running state of the circuit's compressor. If a given compressor or circuit is locked out, the suction pressure transducer(s) associated with it, will be excluded from causing this diagnostic.

Local

Very Low Evaporator Refrigerant Pressure

- Circuit 2

Chiller Immediate

Latch

All [compressor or circuit in manual lockout]

The respective circuit's evaporator pressure dropped below 80% of the current Low Evap Refrig Press Cutout setting (see above) or 8 psia, whichever is less, regardless of the running state of the circuit's compressor. If a given compressor or circuit is locked out, the suction pressure transducer(s) associated with it, will be excluded from causing this diagnostic.

Local

Low Evaporator Leaving Water Temp: Unit Off

Evap (and

circ) Pump

Special

Action

NonLatch

Unit in Stop Mode, or in Auto Mode and No Ckt(s) Energzd [Any Ckt Energzd]

The leaving Evaporator water temp. fell below the leaving water temp cutout setting for 30 degree F seconds while the Chiller is in the Stop mode, or in Auto mode with no compressors running. Energize small Evap Circulating Pump (RTUD A/C) and Evap Water pump Relay (but only if "Evap Water Pump Diagnostic Override" setting is enabled) until diagnostic auto resets, then de-energize the circ pump and return to normal evap pump control. Automatic reset occurs when the temp rises 2°F (1.1°C) above the cutout setting for 30 minutes. This diagnostic even while active, does not prevent operation of either circuit

Remote

CG-SVU02C-E440

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Low Evaporator Temp - Ckt 1: Unit Off

Evap (and

circ) Pump

Special

Action

NonLatch

Unit in Stop Mode, or in Auto Mode and No Ckt's Energzd [Any Ckt Energzd]

The respective evap sat temp fell below the water temp cutout setting while the evap liquid level was greater than -36 mm for 150º-sec degree F seconds while Chiller is in the Stop mode, or in Auto mode with no compressors running. Energize small Evap Circulating Pump (RTUD A/C) and Evap Water pump Relay (but only if "Evap Water Pump Diagnostic Override" setting is enabled) until diagnostic auto resets, then de-energize the circ pump and return to normal evap pump control. Automatic reset occurs when the derived evap sat temp rises 2°F (1.1°C) above the cutout setting for 1 minute or the liquid level is below -36.0 mm for 20 minutes, or any compressor restarts. OA temp is substituted for evap sat temp in case of invalidity. This diagnostic even while active, does not prevent operation of either circuit.

Remote

Low Evaporator Temp - Ckt 2: Unit Off

Evap (and

circ) Pump

Special

Action

NonLatch

Unit in Stop Mode, or in Auto Mode and No Ckt's Energzd [Any Ckt Energzd]

The respective evap sat temp fell below the water temp cutout setting while the evap liquid level was greater than -36 mm for 150º-sec degree F seconds while Chiller is in the Stop mode, or in Auto mode with no compressors running. Energize small Evap Circulating Pump (RTUD A/C) and Evap Water pump Relay (but only if "Evap Water Pump Diagnostic Override" setting is enabled) until diagnostic auto resets, then de-energize the circ pump and return to normal evap pump control. Automatic reset occurs when the derived evap sat temp rises 2°F (1.1°C) above the cutout setting for 1 minute or the liquid level is below -36.0 mm for 20 minutes, or any compressor restarts. OA temp is substituted for evap sat temp in case of invalidity. This diagnostic even while active, does not prevent operation of either circuit.

Remote

Low Evaporator Water Temp: Unit On

Chiller Immediate

and Special

Action

NonLatch

Any Ckt[s] Energzd [No Ckt(s) Energzd]

The evaporator water temp. fell below the cutout setpoint for 30 degree F Seconds while the compressor was running. Automatic reset occurs when the temperature rises 2° F (1.1°C) above the cutout setting for 2 minutes. This diagnostic shall not de-energize the Evaporator Water Pump Output.

Remote

Evaporator Water Flow Overdue

Chiller Normal

NonLatch

Estab. Evap. Water Flow on going from STOP to AUTO or Evap Pump Override.

Evaporator water flow was not proven within 20 minutes of the Evaporator water pump relay being energized in normal "Stop" to "Auto" transition. If the pump is overridden to "On" for certain diagnostics, the delay on diagnostic callout shall be only 255 seconds. The pump command status will not be effected by this diagnostic in either case.

Remote

Evaporator Water Flow Lost

Chiller Immediate

NonLatch

[All Stop modes] a. The Evaporator water flow switch input was open

for more than 6 contiguous seconds (or 15 seconds for thermal dispersion type flow switch). b. This diagnostic does not de-energize the evap pump output c. 6 seconds of contiguous flow shall clear this diagnostic.

Remote

41CG-SVU02C-E4

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

High Evaporator Refrigerant Pressure

Chiller Immediate

NonLatch

All The evaporator refrigerant pressure of either circuit has

risen above 190 psig. The evaporator water pump relay will be de-energized to stop the pump regardless of why the pump is running. The diagnostic will auto reset and the pump will return to normal control when all of the evaporator pressures fall below 185 psig. The primary purpose is to stop the evaporator water pump and its associated pump heat from causing refrigerant side pressures, close to the evaporator relief valve setting, when the chiller is not running, such as could occur with Evap Water Flow Overdue or Evaporator Water Flow Loss Diagnostics.

Remote

High Evaporator Water Temperature

Chiller Info and

Special

Action

NonLatch

Only effective if either

1)Evap Wtr Flow Overdue,

2)Evap Wtr Flow Loss, or 3)Low Evap Rfgt Temp,-Unit Off, diagnostic is active.

The leaving water temperature exceeded the high evap water temp limit (TV service menu settable -default 105F) for 15 continuous seconds. The evaporator water pump relay will be de-energized to stop the pump but only if it is running due one of the diagnostics listed on the left . The diagnostic will auto reset and the pump will return to normal control when the temperature falls 5°F below the trip setting. The primary purpose is to stop the evaporator water pump and its associated pump heat from causing excessive waterside temperatures and waterside pressures when the chiller is not running but the evap pump is on due to either Evap Water Flow Overdue, Evaporator Water Flow Loss , or Low Evap Temp - Unit Off Diagnostics. This diagnostic will not auto clear solely due to the clearing of the enabling diagnostic.

Remote

Condenser Water Flow Overdue

Chiller Normal

NonLatch

Estab Cond Water Flow

Condenser water flow was not proven within 20 minutes of the condenser pump relay being energized. The Cond Pump shall be commanded off. Diagnostic is reset with return of flow (although only possible with external control of pump).

Remote

Condenser Water Flow Lost

Chiller Immediate

NonLatch

Start and All Run Modes

The condenser water flow proof input was open for more than 6 contiguous seconds (or 15 seconds for thermal dispersion type flow switch) after flow had been proven. This diagnostic is automatically cleared once the compressor is stopped by a fixed time out of 7 sec. In Cooling Mode: The Cond Pump shall be commanded off but the Evap pump command will not be effected. once the diagnostic auto clears, if diff to start is met, the cond pump can be restarted. In Heating Mode: The Cond Pump shall remain on, and the Evap pump shall shut off - once diagnostic auto clears, if diff to start is met, the chiller may restart normally and the evap pump can be restarted.

Remote

CG-SVU02C-E442

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes

[Inactive Modes]

Criteria Reset Level

High Pressure Cutout Compressor 1A

Circuit Immediate

Latch

All A high pressure cutout was detected on Compressor

1A; trip at 270 ± 5 PSIG. Note: Other diagnostics that may occur as an expected consequence of the HPC trip will be suppressed from annunciation. These include Phase Loss, Power Loss, and Transition Complete Input Open. For Air Cooled Condenser, check for dirty coils or any fouling or restrictions as well as proper operation and rotational direction of all fans..

Local

High Pressure Cutout Compressor 2A

Circuit Immediate

Latch

All A high pressure cutout was detected on Compressor

1A; trip at 270 ± 5 PSIG. Note: Other diagnostics that may occur as an expected consequence of the HPC trip will be suppressed from annunciation. These include Phase Loss, Power Loss, and Transition Complete Input Open. For Air Cooled Condenser, check for dirty coils or any fouling or restrictions as well as proper operation and rotational direction of all fans..

Local

Excessive Condenser Pressure

- Circuit 1

Circuit Immediate

Latch

All The condenser pressure transducer of this circuit has

detected a pressure in excess of the safe high side pressure as limited by the particular compressor type or the evaporator distributor present on this particular chiller. For Air Cooled Condenser, check for dirty coils or any fouling or restrictions as well as proper operation and rotational direction of all fans.

Remote

Excessive Condenser Pressure

- Circuit 2

Circuit Immediate

Latch

All The condenser pressure transducer of this circuit has

detected a pressure in excess of the safe high side pressure as limited by the particular compressor type or the evaporator distributor present on this particular chiller. For Air Cooled Condenser, check for dirty coils or any fouling or restrictions as well as proper operation and rotational direction of all fans.

Remote

Emergency Stop

Chiller Immediate Latch 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.

Local

Outdoor Air Temperature Sensor

Chiller

RTUD with

ACFC#NONE-

Normal

Shutdown;

OATS=INST-

Special Action

Latch

Latch All

Bad Sensor or LLID. If the outdoor temperature is used for CHW reset, there shall be no CHW reset. Apply slew rates per Chilled Water Reset spec. RTUD: if this diagnostic occurs, operational pumpdown will be performed regardless of the last valid temperature. For RTWD, if installed for low ambient lockout, there shall be no LA lockout .

Remote

Starter Panel High Temperature Limit

- Compressor 1A

Circuit

Immediate

and Special

Action

NonLatch All

Starter Panel High Limit Thermostat (170°F) trip was detected. Compressor 1A is shutdown and inoperative until the thermostat resets. Note: Other diagnostics that may occur as an expected consequence of the Panel High Temp Limit trip will be suppressed from annunciation. These include Momentary Power Loss, Phase Loss, Power Loss, and Transition Complete Input for Compressor 1A.

Local

Starter Module Memory Error Type 1Starter 1A

None Info

Latch

All Checksum on RAM copy of the Starter LLID

configuration failed. Configuration recalled from EEPROM.

Local

43CG-SVU02C-E4

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Starter Module Memory Error Type 1 - Starter 2A

None Info

Latch

All Checksum on RAM copy of the Starter LLID

configuration failed. Configuration recalled from EEPROM.

Local

Starter Module Memory Error Type 2 - Starter 1A

Circuit Immediate Latch All

Checksum on EEPROM copy of the Starter LLID configuration failed. Factory default values used.

Local

Starter Module Memory Error Type 2 - Starter 2A

Circuit Immediate Latch All

Checksum on EEPROM copy of the Starter LLID configuration failed. Factory default values used.

Local

Pumpdown Terminated Circuit 1

Circuit Info NonLatch

Service or Operational Pumpdown

Operational or Service Pumpdown cycle for this circuit was terminated abnormally due to excessive time (op pd only) or due to a specific set of diagnostic criteria but w/o associated latching diagnostics . (RTWD max Operation Pumpdown = 2 min)

Local

Pumpdown Terminated Circuit 2

Circuit Info NonLatch

Service or Operational Pumpdown

Operational or Service Pumpdown cycle for this circuit was terminated abnormally due to excessive time (op pd only) or due to a specific set of diagnostic criteria but w/o associated latching diagnostics . (RTWD max Operation Pumpdown = 2 min)

Local

Pumpdown Terminated by Time - Circuit 1

Circuit Info NonLatch Service Pumpdown

Service Pumpdown cycle for this circuit was terminated abnormally due to excessive time (RTWD max Service Pumpdown = 4 min).

Local

Pumpdown Terminated by Time - Circuit 2

Circuit Info NonLatch Service Pumpdown

Service Pumpdown cycle for this circuit was terminated abnormally due to excessive time (RTWD max Service Pumpdown = 4 min).

Local

MP: Invalid Configuration

None Immediate Latch All

MP has an invalid configuration based on the current software installed.

Remote

MP Application Memory CRC Error

Chiller Immediate Latch All Modes Memory error criteria TBD Remote

MP: Non-Volatile Memory Reformat

None Info Latch All

MP has determined there was an error in a sector of the Non-Volatile memory and it was reformatted. Check settings.

Remote

Check Clock

Chiller Info Latch All

The real time clock had detected loss of its oscillator at some time in the past. Check / replace battery? This diagnostic can be effectively cleared only by writing a new value to the chiller's time clock using the TechView or DynaView's "set chiller time" functions.

Remote

MP: Could not Store Starts and Hours

None Info Latch All

MP has determined there was an error with the previous power down store. Starts and Hours may have been lost for the last 24 hours.

Remote

MP: Non-Volatile Block Test Error

None Info Latch All

MP has determined there was an error with a block in the Non-Volatile memory. Check settings.

Remote

Starter Failed to Arm/Start Cprsr 1A

Circuit Normal

Latch

All Starter failed to arm or start within the allotted time

(15 seconds).

Local

Starter Failed to Arm/Start Cprsr 2A

Circuit Normal

Latch

All Starter failed to arm or start within the allotted time

(15 seconds).

Local

Oil Analysis Recommended Ckt #1

Circuit Info

Latch

"Service Messages" enabled

Diagnostic occurs when accumulated circuit operating hours since last initialized exceeds 2000 hours. Diagnostic can be manually cleared but will reoccur every month (720 hours on real time clock) as long as accumulator is not re-initialized.

Remote

CG-SVU02C-E444

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Oil Analysis Recommended Ckt #2

Circuit Info

Latch

"Service Messages" enabled

Diagnostic occurs when accumulated circuit operating hours since last initialized exceeds 2000 hours. Diagnostic can be manually cleared but will reoccur every month (720 hours on real time clock) as long as accumulator is not re-initialized.

Remote

Oil Filter Change Recommended Cprsr 1A

Circuit Info

Latch

"Service Messages" enabled

(After RTUD release in Fall of 09:) Diagnostic occurs only when "service messages" are enabled and when Oil Filter Life remaining falls below 5 %. Diagnostic can be manually cleared but will reoccur every month real time (720 hours on real time clock) as long as the oil filter life remaining does not rise above 20% (through normal calculations or reinitializing) (Prior to RTUD Release in Fall of 09): Diagnostic occurs only when "service messages" are enabled and when average oil pressure drop exceeds 18%. Diagnostic can be manually cleared but will reoccur every month (720 hours on real time clock) as long as average pressure drop does not fall below 16%.

Remote

Oil Filter Change Recommended Cprsr 2A

Circuit Info

Latch

"Service Messages" enabled

(After RTUD release in Fall of 09:) Diagnostic occurs only when "service messages" are enabled and when Oil Filter Life remaining falls below 5 %. Diagnostic can be manually cleared but will reoccur every month real time (720 hours on real time clock) as long as the oil filter life remaining does not rise above 20% (through normal calculations or reinitializing) (Prior to RTUD Release in Fall of 09): Diagnostic occurs only when "service messages" are enabled and when average oil pressure drop exceeds 18%. Diagnostic can be manually cleared but will reoccur every month (720 hours on real time clock) as long as average pressure drop does not fall below 16%.

Remote

LCI-C Software Mismatch: Use BAS Tool

Chiller Info

NonLatch

All The neuron software in the LCI-C module does not

match the chiller type. Download the proper software into the LCI-C neuron. To do this, use the Rover service tool, or a LonTalk® tool capable of downloading software to a Neuron 3150®.

Remote

Software Error 1001: Call Trane Service

All functions

Immediate Latch

All

A high level software watchdog has detected a condition in which there was a continuous 1 minute period of compressor operation, with neither Evaporator water flow nor a" contactor interrupt failure" diagnostic active. The presence of this software error message suggests an internal software problem has been detected. The events that led up to this failure, if known, should be recorded and transmitted to Trane Controls Engineering.

Local

45CG-SVU02C-E4

Main Processor Diagnostics

Diagnostic Name

Affects

Ta r g e t

Severity Persistence

Active Modes [Inactive Modes]

Criteria Reset Level

Software Error 1002: Call Trane Service

All

functions

Immediate

Latch

All

Reported if state chart misalignment in stopped or inactive state occurred while a compressor was seen to be operating and this condition lasted for at least 1 minute (cmprsr operation due to Service Pumpdown or with Contactor Interrupt Failure diagnostic is excluded). The presence of this software error message suggests an internal software problem has been detected. The events that led up to this failure, if known, should be recorded and transmitted to Trane Controls Engineering.

Local

Software Error 1003: Call Trane Service

All

functions

Immediate

Latch

All

Reported if state chart misalignment occurred inferred from either the Capacity Control, Circuit, or Compressor State Machines remaining in the Stopping state for more than 3 minutes. The presence of this software error message suggests an internal software problem has been detected. The events that led up to this failure, if known, should be recorded and transmitted to Trane Controls Engineering.

Local

Diagnostics

RLC-SVU05A-E446

Diagnostic Name Affects

Ta r g e t

Severity Persistence Active Modes

[Inactive

Modes]

Criteria Reset

Level

Comm Loss: Male Port Unload Compressor 1A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Male Port Load Compressor 1A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Male Port Unload Compressor 2A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Male Port Load Compressor 2A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Female Step Load Compressor 1A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Female Step Load Compressor 2A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Motor Winding Thermostat Compressor 1A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Motor Winding Thermostat Compressor 2A

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: External Auto/Stop

Chiller Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Emergency Stop

Chiller Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: External Circuit Lockout, Circuit #1

Circuit

Special

Action

Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. MP will nonvolatily hold the lockout state (enabled or disabled) that was in effect at the time of comm loss.

Remote

Comm Loss: External Circuit Lockout, Circuit #2

Circuit

Special

Action

Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. MP will nonvolatily hold the lockout state (enabled or disabled) that was in effect at the time of comm loss

Remote

Comm Loss: External Ice Building Command

Ice

Making

Mode

Special

Action

Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Chiller shall revert to normal (non-ice building) mode regardless of last state.

Remote

Table 5 - Communication Diagnostics

Notes:

1. The following communication loss diagnostics will not occur unless that input or output is required to be present by the particular configuration and installed options for the chiller.

2. Communication diagnostics (with the exception of "Excessive Loss of Comm" are named by the Functional Name of the input or output that is no longer being heard from by the Main Processor.

Many LLIDs, such as the Quad Relay LLID, have more than one functional output associated with it. A comm loss with such a multiple function board will generate multiple diagnostics. Refer to the Chiller's wiring diagrams to relate the occurrence of multiple communication diagnostics back to the physical llid boards that they have been assigned to (bound).

Diagnostics

47RLC-SVU05A-E4

Diagnostic Name Affects

Ta r g e t

Severity Persistence Active

Modes

[Inactive

Modes]

Criteria Reset

Level

Comm Loss: Heat/Cool Switch

Heat

Mode

Special Action Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period. The external input shall revert to normal (cooling) request regardless of last state. Chiller mode shall follow "OR" arbitration for heating/cooling mode, i.e. If any of the remaining inputs (front panel of BAS) are requesting heat mode, then the chiller shall be in heat mode.

Remote

Comm Loss: Outdoor Air Temperature

Chiller RTUD with

ACFC#NONE-

Normal

Shutdown;

OATS=INST-

Special Action

Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period. If the outdoor temperature is used for CHW reset, there shall be no CHW reset. Apply slew rates per Chilled Water Reset spec. For RTUD if this diagnostic occurs, operational pumpdown will be performed regardless of the last valid temperature. For RTWD, if installed for low ambient lockout, there shall be no lockout

Remote

Comm Loss: Evaporator Leaving Water Temperature

Chiller Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Evaporator Entering Water Temperature

Chiller Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period. Note: Entering Water Temp Sensor is used in EXV pressure control as well as ice making & CHW reset, so it must cause a unit shutdown even if Ice or CHW reset is not installed.

Remote

Comm Loss: Condenser Leaving Water Temperature

Chiller Info and Special

Action

Latch All RTWD Only: Continual loss of communication between the

MP and the Functional ID has occurred for a 30 second period. If Chiller is running in the heat mode of operation normal shutdown, otherwise, informational only. Discontinue Min Capacity Limit forced cprsr loading due to Low DP in subsequent startups.

Remote

Comm Loss: Condenser Entering Water Temperature

Chiller Info and Special

Action

Latch All RTWD Only: Continual loss of communication between the

MP and the Functional ID has occurred for a 30 second period. If chiller running, and condenser water regulating valve option installed, force valve to 100% flow.

Remote

Comm Loss: Discharge Temperature Circuit 1, Cprsr 1A

Circuit Normal Latch All Continual loss of communication between the MP and the

Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Discharge Temperature, Circuit 2 , Cprsr 2A

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Diagnostics

RLC-SVU05A-E448

Diagnostic Name Affects

Ta r g e t

Severity Persistence Active

Modes

[Inactive

Modes]

Criteria Reset

Level

Comm Loss: External Chilled/Hot Water Setpoint

External

Chilled Water

setpoint

Special Action Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period. Chiller shall discontinue use of the External Chilled Water Setpoint source and revert to the next higher priority for setpoint arbitration

Remote

Comm Loss: External Current Limit Setpoint

External

Current

Limit

setpoint

Special Action Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period. Chiller shall discontinue use of the External Current limit setpoint and revert to the next higher priority for Current Limit setpoint arbitration

Remote

Comm Loss: High Pressure Cutout Switch, Cprsr 1A

Circuit Immediate Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: High Pressure Cutout Switch, Cprsr 2A

Circuit Immediate Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Evaporator Water Flow Switch

Chiller Immediate Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Condenser Water Flow Switch

Chiller Immediate Latch All RTWD only: Continual loss of communication between

the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Suction Rfgt Pressure, Circuit #1

Circuit Immediate Latch All

[Ckt/Cprsr

lock out]

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Note: This diagnostic is replaced by diagnostic 5FB below with Rev 15.0

Remote

Comm Loss: Suction Rfgt Pressure, Circuit #2

Circuit Immediate Latch

All

[Ckt/Cprsr

lock out]

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Note: This diagnostic is replaced by diagnostic 5FD below with Rev 15.0

Remote

Comm Loss: Cond Rfgt Pressure, Circuit #1

Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Cond Rfgt Pressure, Circuit #2

Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Pressure, Cprsr 1A

Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Pressure, Cprsr 2A

Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Return Gas Pump Fill Circuit #1

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Diagnostics

49RLC-SVU05A-E4

Diagnostic Name Affects

Ta r g e t

Severity Persistence Active

Modes

[Inactive

Modes]

Criteria Reset

Level

Comm Loss: Oil Return Gas Pump Fill Circuit #2

Circuit Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Return Gas Pump Drain Circuit #1

Circuit Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Return Gas Pump Drain Circuit #2

Circuit Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Loss Level Sensor Input Circuit #1

Circuit Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Oil Loss Level Sensor Input Circuit #2

Circuit Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Evaporator Water Pump Relay

Chiller Normal Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Condenser Water Pump Relay

Chiller Normal Latch All

RTWD only: Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Ice-Making Status

Chiller Special Action Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Chiller shall revert to normal (non-ice building) mode regardless of last state.

Remote

Comm Loss: Evaporator Rfgt Liquid Level, Circuit #1

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Evaporator Rfgt Liquid Level, Circuit #2

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Starter 1A Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Local

Comm Loss: Starter 2A Circuit Immediate Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Local

Comm Loss: Electronic Expansion Valve, Circuit #1

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Electronic Expansion Valve, Circuit #2

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Starter 1A Comm Loss: MP

Circuit Immediate Latch All

Starter has had a loss of communication with the MP for a 15 second period.

Local

CG-SVU02C-E450

Diagnostics

Diagnostic Name Affects

Ta r g e t

Severity Persistence Active

Modes

[Inactive

Modes]

Criteria Reset

Level

Starter 2A Comm Loss: MP

Circuit Immediate Latch All Starter has had a loss of communication with the MP

for a 15 second period.

Local

Comm Loss: Local BAS Interface

Chiller Info NonLatch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period. Use last valid BAS setpoints. Diagnostic is cleared when successful communication is established with the LonTalk LLID (LCIC) or BacNet LLID (BCIC).

Remote

Comm Loss: Op Status Programmable Relays

None Info Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Starter Panel High Temperature Limit , Compressor 1A

None Info Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Local

Comm Loss: Condenser Rfgt Pressure Output

Chiller Info Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Cond Head Press Cntrl Output

Chiller Immediate Latch All Continual loss of communication between the MP and

the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Chiller % RLA Output

Chiller Info Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Fan Inverter Fault, Circuit #1

Circuit

(fan

control)

Special Mode (or in

single fan deck:

Circuit Immediate

shutdown)

Latch (or in

single fan

deck:Latch)

All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Operate the remaining fans as fixed speed fan deck. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

Remote

Comm Loss: Fan Inverter Fault, Circuit #2

Circuit

(fan

control)

Special Mode (or in

single fan deck:

Circuit Immediate

shutdown)

Latch (or in

single fan

deck:Latch)

All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Operate the remaining fans as fixed speed fan deck. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

Remote

Comm Loss: Fan Inverter Speed Command, Circuit #1

Circuit

(fan

control)

Special Mode (or in

single fan deck:

Circuit Immediate

shutdown)

Latch (or in

single fan

deck:Latch)

All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Operate the remaining fans as fixed speed fan deck. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

Remote

Comm Loss: Fan Inverter Speed Command, Circuit #2

Circuit

(fan

control)

Special Mode (or in

single fan deck:

Circuit Immediate

shutdown)

Latch (or in

single fan

deck:Latch)

All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period. Operate the remaining fans as fixed speed fan deck. For single fan deck configurations, this diagnostic causes a latching circuit shutdown

Remote

Comm Loss: Fan Control Relays, Circuit #1

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Fan Control Relays, Circuit #2

Circuit Normal Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Ext Noise Setback Command

None Info Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Noise Setback Relay

None Info Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

Comm Loss: Evaporator Off-cycle Freeze Protection Relay

None Info Latch All

Continual loss of communication between the MP and the Functional ID has occurred for a 30 second period.

Remote

51CG-SVU02C-E4

DynaView Display Message Description

Troubleshooting

Boot Software Part Numbers: LS Flash --> 6200-0318-04 MS Flash --> 6200-0319-04

The "boot code" is the portion of the code that is resident in all MPs regardless of what application code (if any) is loaded. Its main function is to run power up tests and provide a means for downloading application code via the MP's serial connection. The Part numbers for the code are displayed in the lower left hand corner of the DynaView during the early portion of the power up sequence and during special programming and converter modes. See below. For the EasyView, the extension of the boot code part number is displayed for approximately 3 immediately following power up. // This is normal, but you should provide this information when contacting Technical Service about power up problems.

Err2: RAM Pattern 1 Failure There were RAM errors detected in RAM Test Pattern #1.

// Recycle power, if the error persists, replace MP.

Err2: RAM Pattern 2 Failure There were RAM errors detected in RAM Test Pattern #2.

//Recycle power, if the error persists, replace MP.

Err2: RAM Addr Test #1 Failure

There were RAM errors detected in RAM Address Test #1. // Recycle power, if error persists, replace MP.

Err2: RAM Addr Test #2 Failure

There were RAM errors detected in RAM Address Test #2. //Recycle power, if the error persists, replace MP.

No Application Present Please Load Application...

No Main Processor Application is present - There are no RAM Test Errors. // Connect a TechView Service Tool to the MP's serial port, provide chiller model number (configuration information) and download the configuration if prompted by TechView. Then proceed to download the most recent RTAC application or specific version as recommended by Technical Service.

App Present. Running Selftest.… Selftest Passed

An application has been detected in the Main Processor's nonvolatile memory and the boot code is proceeding to run a check on its entirety. 8 seconds later, the boot code had completed and passed the (CRC) test. // Temporary display of this screen is part of the normal power up sequence.

App Present. Running Selftest… Err3: CRC Failure

An application has been detected in Main Processor's nonvolatile memory and the boot code is proceeding to run a check on its entirety. A few seconds later, the boot code had completed but failed the (CRC) test. //Connect a TechView Service Tool to the MP's serial port, provide chiller model number (configuration information) and download the configuration if prompted by TechView. Then proceed to download the most recent RTAC application or specific version as recommended by Technical Service. Note that this error display may also occur durring the programming process, if the MP never had a valid application any time prior to the download. If the problem persists, replace the MP.

A Valid Configuration is Present

A valid configuration is present in the MP's nonvolatile memory. The configuration is a set of variables and settings that define the physical makeup of this particular chiller. These include: number/airflow,/and type of fans, number/and size of compressors, special features, characteristics, and control options. // Temporary display of this screen is part of the normal power up sequence.

Err4: UnHandled Interrupt Restart Timer: [3 sec countdown timer]

An unhandled interrupt has occurred while running the application code. This event will normally cause a safe shutdown of the entire chiller. Once the countdown timer reaches 0, the processor will reset, clear diagnostics, and attempt to restart the application and allow a normal restart of chiller as appropriate. // This condition might occur due to a severe electro-magnetic transient such as can be caused by a near lightening strike. Such events should be rare or isolated and if no damage results to the CH530 control system, the Chiller will experience a shutdown and restart. If this occurs more persistently it may be due to an MP hardware problem. Try replacing the MP. If replacement of the MP proves ineffective, the problem may be a result of extremely high radiated or conducted EMI. Contact Technical Service. If this screen occurs immediately after a software download, attempt to reload both the configuration and the application. Failing this, contact Technical Service.

Table 6 - Main Processor - Boot Messages and Diagnostics

Diagnostics

RLC-SVU05A-E452

Err5: Operating System Error Restart Timer: [30 sec countdown timer]

An Operating System error has occurred while running the application code. This event will normally cause a safe shutdown of the entire chiller. Once the countdown timer reaches 0, the processor will reset, clear diagnostics, and attempt to restart the application and allow a normal restart of chiller as appropriate. // See Err 4 above

Err6:Watch Dog Timer Error Restart Timer: [30 sec countdown timer]

A Watch Dog Timer Error has occurred while running the application code. This event will normally cause a safe shutdown of the entire chiller. Once the countdown timer reaches 0, the processor will reset, clear diagnostics, and attempt to restart the application allowing a normal restart of chiller as appropriate.

Err7: Unknown Error Restart Timer: [30 sec countdown timer]

An unknown Error has occurred while running the application code. This event will normally cause a safe shutdown of the entire chiller. Once the countdown timer reaches 0, the processor will reset, clear diagnostics, and attempt to restart the application allowing a normal restart of chiller as appropriate

Err8: Held in Boot by User Key Press

The boot detected a key press in the center of the DynaView or both the + and - keys pressed on an EasyView while the MP was in the boot code. Upon seeing this message the user can use Techview to connect to the MP to perform a software download or another service tool function.

Converter Mode A command was received from the Service Tool (Tech View) to stop the running application and run in the "converter

mode". In this mode the MP acts as a simple gateway and allows the TechView service computer to talk to all the LLIDS on the IPC3 bus.

Programming Mode A command was received by the MP from the Tech View Service Tool and the MP is in the process of first erasing and

then writing the program code to its internal Flash (nonvolatile) Memory. Note that if the MP never had a prior application already in memory, the error code "Err3"will be displayed instead of this, during the programming download process.

Software Error 1001: Call Trane Service

See item in Main Processor Diagnostics table above

Software Error 1002: Call Trane Service

See item in Main Processor Diagnostics table above

Software Error 1003: Call Trane Service

See item in Main Processor Diagnostics table above

Design Note: In general, all failures/comm loss due to CH530 components should have a latching diagnostic and effect. All customer inputs failures (out of range, etc) are generally nonlatching.

Diagnostics

53RLC-SVU05A-E4

Programmable Relays (Alarms and Status)

CH530 provides a flexible alarm or chiller status indication to a remote location through a hard wired interface to a dry contact closure.

Four relays are available for this function, and they are provided (generally with a Quad Relay Output LLID) as part of the Alarm Relay Output Option.

The events/states that can be assigned to the programmable relays are listed in the following table and through a TechView configuration.

Alarm - Latching

This output is true whenever there is any active latching shutdown diagnostic that targets the Unit, Circuit, or any of the Compressors on a circuit.

Alarm - NonLatching

This output is true whenever there is any active non-latching shutdown diagnostic that targets the Unit, Circuit, or any of the Compressors on a circuit.

Alarm

This output is true whenever there is any active latching or nonlatching shutdown diagnostic that targets the Unit, Circuit, or any of the Compressors on a circuit.

Alarm Ckt 1

This output is true whenever there is any active latching or nonlatching shutdown diagnostic that

targets Circuit 1, or any of the Compressors on Circuit 1.

Alarm Ckt 2

This output is true whenever there is any active latching or nonlatching shutdown diagnostic that targets Circuit 2, or any of the Compressors on Circuit 2.

Unit Limit Mode

This output is true whenever a circuit on the unit has been running in one of the limit modes continuously for the Limit Relay debounce time. A given limit or overlapping of different limits must be in effect continuously for the debounce time prior to the output becoming true. It will become false if no limits are present for the debounce time.

Compressor Running

The output is true whenever any compressor is running.

Circuit 1 Running

The output is true whenever any compressor of Circuit 1 is running.

Circuit 2 Running

The output is true whenever any compressor of Circuit 2 is running.

Maximum Capacity

The output is true whenever the unit has reached maximum capacity continuously for the Max Capacity Relay debounce time. The output is false when the unit is not at maximum capacity continuously for the fitler debounce time.

Head Pressure Relief Request

This relay output is energized anytime the chiller or a single circuit on the chiller is running in one of the following modes; Ice Making Mode, or Condenser Pressure Limit continuously for the duration specified by the Chiller Head Relief Relay Filter Time. The Chiller Head Relief Relay Filter Time is a service setpoint. The relay output is de-energized anytime the chiller exits all above modes continuously for the duration specified by the same Chiller Head Relief Relay Filter Time

None:

This selection is desireable to provide an easy way for a customer to defeat the effect of the relay, if it has already been wired. For instance, if the relay was normally programmed as an "alarm" relay, and was wired to a claxon, it may be desirable to temporarily defeat the feature without changing wiring.

Default Assignments

The four available relays the Alarm Package Option shall be assigned with the following defaults as follows:

Operation of the Relays:

If any of the four programmable annunciation relays are assigned with the given event or state, that relay shall be energized when the event or state is true and deenergized when the event or state is false pursuant to debounce or filter timing that may be applied per the details of a given assignment.

LLID Name

LLID Software Relay Designation

Output Name Default

Operating Status Programmable Relays

Relay 0 Status Relay 4, J2-1,2,3 Unit Limit Mode Relay 1 Status Relay 3, J2-4,5,6 Maximum Capacity Relay 2 Status Relay 2, J2-7,8,9 Compressor Running Relay 3 Status Relay 1, J2-10,11,12 Alarm

Table 7 - Default settings

TechView Interface

RLC-SVU05A-E454

TechView is the PC (laptop) based tool used for servicing Tracer CH530. Technicians that make any chiller control modification or service any diagnostic with Tracer CH530 must use a laptop running the software application "TechView." TechView is a Trane application developed to minimize chiller downtime and aid the technicians' understanding of chiller operation and service requirements.

CAUTION: Performing any Tracer CH530 service functions should be done only by a properly trained service technician. Please contact your local Trane service agency for assistance with any service requirements. TechView software is

available via Trane.com. (http://www.trane.com/commercial/s oftware/tracerch530/) This download site provides a user the TechView installation software and CH530 main processor software that must be loaded onto your PC in order to service a CH530 main processor. The TechView service tool is used to load software into the Tracer CH530 main processor.

Minimum PC requirements to install and operate TechView are:

• Pentium II or higher processor

• 128Mb RAM

• 1024 x 768 resolution of display

• CD-ROM

• 56K modem

• 9-pin RS-232 serial connection

• Operating system - Windows XP Pro or Vista Business

• USB 2.0 or higher

• Internet Explorer 6.0 or higher

Note: TechView was designed for the proceeding listed laptop configuration. Any variation will have unknown results. Therefore, support for TechView is limited to only those operating systems that meet the specific configuration listed here. KestrelView is designed and validated for this specific laptop configuration. Any variation from this configuration may have different results. Therefore, support for KestrelView is limited to only those laptops configured as described above. Trane will not support KestrelView on a laptop configured differently. There is no support for laptops running Intel Celeron, AMD, Cyrix, or processors other than Pentium. Only laptops with a Pentium II class processor or better are supported.

TechView is also used to perform any CH530 service or maintenance function.

Servicing a CH530 main processor includes:

• Updating main processor software

• Monitoring chiller operation

• Viewing and resetting chiller diagnostics

• Low Level Intelligent Device (LLID) replacement and binding

• Main processor replacement and configuration modifications

• Setpoint modifications

• Service overrides

TechView Interface

55RLC-SVU05A-E4

TechView installation has been simplified. All related software, including Main Processor software, is now packaged together with the TechView application resulting in a single installation.

Note: You do not have to uninstall

an earlier version of TechView. The new TechView will update the existing files.

To install TechView on your computer

1. Create a new folder titled CH530 (C:\CH530) on your hard drive. This \CH530 folder is the standard location for the installation file. Storing the installation file in this location helps you remember where it is stored and makes it easier for technical support personnel to assist you.

2. Click the Download link for the latest version on the TechView Software Download page. The File Download – Security Warning dialog box appears.

3. Click Save to copy the installation file to your hard drive. Specify the \CH530 folder you created in Step 1 on the Save dialog box.

4. Double-click the installation (.exe) file. The License Agreement dialog box appears.

5. Click I Agree after reviewing the License Agreement.

The Choose Components dialog box appears. All components are selected by default. (These are the actual MP versions for all units.) Deselect any components you do not want included in the installation.

Note: Deselecting components reduces the size of the installed application.

6. Click Install. The Installation dialog appears with a progress meter indicating the percentage of the installation that has occurred. An installation information file appears when the installation is complete.

7. Click Close to exit the installation routine.

Literature Order Number RLC-SVU05A-E4

Date 1109

New

Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. Only qualified technicians should perform the installation and servicing of equipment referred to in this publication.

www.trane.com

For more information, contact your local sales office or e-mail us at comfort@trane.com

Trane bvba Lenneke Marelaan 6 -1932 Sint-Stevens-Woluwe, Belgium ON 0888.048.262 - RPR BRUSSELS

Trane Tracer CH530 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual