Trane CCAF, CGWF User Manual

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Scroll Liquid Chillers

Model CGWF and CCAF 20 to 60 Tons (60 Hz) 17 to 50 Tons (50 Hz)

Water-Cooled and Condenserless

Built For the Industrial and Commercial Markets

January 2004

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More Than Just Another “Improved”

Chiller

Advanced Design

Better Reliability

Superior Efficiency

New CH530 Controls

Better Availability

Easier To Install and Operate

Microprocessor

Operator

Interface

Control

Panel

Condenser

Leaving

Water

Piping

Condenser

Entering

Water

Piping

Introduction

The Trane 20-60 Ton Scroll Liquid Chiller

Design

The Trane scroll compressor is the most advanced scroll compressor in the industry.

Reliability

64 percent fewer compressor parts, compared to reciprocating compressors, mean long and reliable life.

Efficiency

CGWF scroll chillers meet and exceed ASHRAE Standard 90.1 full and part load efficiencies. Part load efficiencies are simply unmatched by reciprocating chillers.

Control

CH530 controls enable scrolling access to inputs and operating information via the LCD touch-screen display. Jobspecific communication options allow greater reporting flexibility. The CH530 is compatable with LonMark communications.

Availability

Fast ship cycles on both stock and built- to-order specials.

Installation

Small unit size, factory wiring, easy lifting provisions, and start-up control logic mean quick and easy setup. Chillers fit through standard singlewidth door.

Operation

Smart safety features and over 60 diagnostic displays mean easy and virtually trouble-free operation.

Rugged

Trane Scroll

Compressor

Evaporator

Leaving

Water Piping

© 2004 American Standard Inc. All rights reserved.

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Contents

Introduction

2

Features and Benefits

 

4

World Class Efficiency and Reliability

 

Options

 

Controls

 

8

Application Considerations

 

12

Model Number

 

13

General Data

 

14

Selection Procedure

 

15

Performance Data

 

16

Full Load Performance

 

Part Load Performance

 

Adjustment Factors

 

Pressure Drops

 

Electrical Data and Connections

 

27

Typical Wiring Diagram

 

Field Layout

 

Dimensional Data

 

32

Weights

 

37

Mechanical Specifications

 

38

 

 

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3

Features and

Benefits

Trane Value Means Fast Availability,

Easy Installation and Quality Service

Packed Stock For Fast Delivery

When your project is a fast-track job, Trane can help. A wide range of chillers are stocked and can be shipped soon after receipt of your order.

Build To Order

Need a special chiller fast? Think Trane scroll chillers. New manufacturing technology and inventory control means the fastest delivery schedule in the industry. Wide array of standard options provides the right chiller for the job fast.

Installation

Only one power connection hook-up — for fast and inexpensive installation.

Integrated Comfortsystem means only single pair connections are required for control interfaces and therefore, lower total installation costs.

Factory refrigerant and oil charged units help speed installation.

All units easily fit through a standard single width door.

CH530 provides a wealth of information.

Factory testing of all Trane equipment ensures the system works, allowing smoother start-up & reducing follow-up costs.

The standard ARI rating condition (54/44°F and 85°F/3.0 gpm per ton) and IPLV are ARI certified. All other ratings, including the following, are outside the scope of the certification program and are excluded:

Glycol.

50 Hz.

Condenserless models CCAF.

Easy Serviceability

Trane 20 through 60 ton scroll chillers are designed with service personnel in mind. All major components are replaceable without complete unit disassembly. Plus, CH530 provides diagnostic capability to aid service personnel in analyzing problems. Therefore, if a problem does occur, the chiller can be up and running in a shorter period of time.

Single-Source Responsibility

A wide range of products designed for complete compatibility are available with the scroll chillers. Your entire building comfort system can be completed using components from Trane.

The Added Value of Applications Expertise

You get a quality chiller, properly selected and applied in a properly designed system. That means a comfort system that works, the first time!

Water Chiller Systems Business Unit

4

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ASHRAE Standard 90.1 All Trane chillers meet and exceed the new efficiency levels mandated by ASHRAE Standard 90.1. This new standard requires higher efficiencies than past technologies can deliver. It mandates higher efficiency levels for scroll water chillers in comparison to reciprocating chillers. In fact, energy efficiency is so paramount the US Federal Government has adopted standard 90.1. Federal Executive Order mandates energy consuming devices procured must be in the top 25% of their class. In the case of chillers, ASHRAE 90.1 is the product standard for measurement.

Risk. Not only has ASHRAE 90.1 been adopted by the US Federal Government, it’s expected to be adopted domestically, if not globally, in the future. Make sure that your chillers as well as your entire HVAC system complies, or you may be caught retrofitting your project with new equipment and paying extra design dollars if the code changes during construction.

Trane’s CGWF was designed with the end user’s requirements in mind. Efficiency and reliability were primary design concerns with this latest generation machine.

Operating Torque

Chart illustrates low torque variation of the Trane scroll compressor vs reciprocating compressor.

Features and World Class Efficiency

Benefits & Reliability

Leading in Efficiency and Reliability with State-Of-The-Art Scroll Compressor Technology

Efficiency

The energy efficiency of the scroll chiller results in energy costs lower than any other comparable chiller. Full load efficiencies are improved beyond reciprocating chillers, but part load efficiencies are simply unmatched by any other manufacturer.

Superior efficiencies are obtained by combining many of the traditional scroll chiller energy efficient features with the Trane scroll compressor technology. HERE’S HOW:

Scroll compressor’s positive displacement design

Dual refrigerant circuits (40-60 ton units)

Multiple compressors

Optimum system design

Reduced friction

No valves

Advanced heat transfer surfaces

Scroll Chiller Energy Usage Savings

Reliability

The Trane scroll chiller with many new improvements, now brings an exciting new compressor to the commercial market — the Trane scroll compressor. Trane has designed the scroll compressor to be a leader in reliability. HERE’S HOW:

Simple design with 64 percent fewer parts than equal capacity reciprocating compressor.

Scroll compliance allows liquid and dirt to pass through without damaging compressor (liquid slugging resistant).

Advanced microelectronics protect both compressor and motor from typical electrical fault conditions.

Scroll compressors have less than a third the torque variations of a reciprocating compressor.

Years of laboratory testing have optimized compressor and chiller systems reliability.

Water-cooled scroll chillers are factory tested.

Typical Reciprocating

10-20% Annual Energy Savings

Chiller

 

Scroll Chiller

Kilowatt Hours

Chiller Load (%)

Graph illustrates Trane scroll chiller’s superior annual energy costs vs typical reciprocating chillers.

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5

Features and World Class Efficiency

Benefits & Reliability

Trane Scroll Compressor

— Maximum Efficiency with Enhanced Reliability

General

The scroll compressor has two scrolls. The top scroll is fixed and the bottom scroll orbits. Each scroll has walls in a spiral shape that intermesh.

Inlet-First Orbit

As the bottom scroll orbits, two refrigerant gas pockets are formed and enclosed.

Compression-Second Orbit

The refrigerant gas is compressed as the volume is reduced closer to the center of the scroll.

Discharge-Third Orbit

The gas is compressed further and discharged through a small port in the center of the fixed scroll.

Scroll Principal Components

This is a cutaway view of a hermetic, scroll compressor, showing the relative positions of the principal components. Shown is a Trane 10-ton, 3600 rpm, 60 Hz [3000 rpm, 50 Hz] scroll compressor as an example.

The principle of operation of this example compressor is as follows: The suction gas is drawn into the compressor at A. The gas then passes through the gap between the rotor and stator, B, cooling the motor, before it enters the compressor housing, C. Here, the velocity of the gas is reduced, causing a separation of the entrained oil from the gas stream. The gas then enters the intake chamber, D, that encircles the scrolls.

Finally, the suction gas is drawn into the scroll assembly where it is compressed and discharged into the dome of the compressor. The dome of this example compressor acts as a hot gas muffler which dampens the pulsations before the gas enters the discharge line, E.

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Features and

Benefits Options

Options

Hot Gas Bypass: Hot gas bypass option allows unit operation below the minimum step of unit unloading. The regulator valve, along with all associated refrigerant piping and electrical wiring, are factory installed and tested on one refrigeration circuit. Unit does not start in hot gas bypass mode. If the unit operates in bypass mode for 30 minutes without a call for cooling, it will pump down and shut off. Unit starts immediately upon a further call for cooling.

Chilled Water Reset: Front panel settable control, microprocessor based control strategy, and field-installed sensor for ambient temperature based reset are included in this option. Return water reset sensor is standard, but panel controller and control strategy must be ordered as an option.

Tracer Summit Communication Interface: Permits bi-directional communication to the Trane Integrated Comfort system.

LonTalk LCI-C Communication Interface:

Provides the LonMark chiller profile inputs/outputs for use with a generic building automation system.

Remote Input Options

Remote chilled water setpoint input (4-20mA/2-10Vdc), compressor inhibit which locks out the second compressor on each circuit reducing the kW draw or both.

Control Output Options

Programmable relays provided to indicate: Compressor running, maximum capacity, chiller limit mode, warning (informational diagnostic), alarm latching (shutdown diagnostic), alarm nonlatching (shutdown diagnostic), alarm latching or nonlatching.

Ice Making Controls: In ice-making mode, the unit will operate fully loaded in response to jobsite supplied contact closure. Ice making will terminate when the return fluid temperature falls below an adjustable setpoint (minimum 20°F [-6.7°C]). When not in ice making mode, unit will provide modulating capacity control based on leaving chilled fluid temperature (20-55°F) [-6.7°C to 12.8°C].

Unit Mounted Disconnect Switch: Nonfused molded case disconnect switch factory installed in control panel for disconnecting main three-phase power.

Isolators: Neoprene-in-shear isolators for field installation under unit frame.

Sound Attenuation: Factory-installed acoustical attenuation for applications where extremely low sound level is required.

Water Regulating Valves: Field-installed valves provide means for control of head pressure.

Outdoor Temperature Sensor: Fieldinstalled outdoor temperature sensor with an adjustable setpoint provides means for low ambient lockout.

Condenser Water Temperature Sensor:

Factory installed temperature sensor provided for microprocessor display.

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7

Controls

Human Interfaces

The Trane water-cooled 20-60 ton scroll CGWF chiller offers an easy-to-use operator interface panel, the DynaView.

DynaView is an LCD touchscreen display that is navigated by file tabs. This is an advanced interface that allows the user to access any important information concerning setpoints, active temperatures, modes, electrical data, pressures, and diagnostics.

Safety Controls

A centralized main processor offers a higher level of machine protection. Since the safety controls are smarter, they limit compressor operation to avoid compressor or evaporator failures, thereby minimizing nuisance shutdown. TracerChiller Controls (CH530) directly senses the control variables that govern the operation of the chiller: evaporator pressure and condenser pressure. When any one of these variables approaches a limit condition where damage may occur to the unit or shutdown on a safety, Tracer Chiller Controls takes corrective action to avoid shutdown and keep the chiller operating. This happens through compressor shedding. Tracer Chiller Controls optimizes total chiller power consumption during normal operating conditions. During abnormal operating conditions, the microprocessor will continue to optimize chiller performance by taking the corrective action necessary to avoid shutdown. This keeps cooling capacity available until the problem can be solved. Whenever possible, the chiller is allowed to perform its function; making chilled water. Overall, the safety controls help keep the building or process running and out of trouble.

Figure C1. DynaView operator interface

Standalone Controls

Interface to standalone units is very simple; only a remote auto/stop for scheduling is required for unit operation. Signals from the chilled water pump contactor auxiliary or a flow switch are wired to the chilled waterflow interlock. Signals from a time clock or some other remote device are wired to the external auto/stop input.

Standard Features

External Auto/Stop — A jobsite provided contact closure will turn the unit on and off.

Chilled Water Flow Interlock — A jobsite provided contact closure from a chilled water pump contactor and/or a flow switch is required and will allow unit operation if a load exists and flow is proven. This feature will allow the unit to run in conjunction with the pump system.

Emergency Stop — A jobsite supplied contact opening wired to this input will turn the unit off and require a manual reset of the unit microcomputer. This closure is typically triggered by a jobsite supplied system such as a fire alarm.

Chilled Water Pump Control — Unit controls provide an output to control the chilled water pump(s). One contact closure to the chiller is all that is required to initiate the chilled water system.

Chilled Water Temperature Reset

Reset can be based on return water temperature or outdoor air temperature (optional).

Condenser Water Pump Control — Unit controls provide an output to control the condenser water pump(s). One contact closure to the chiller is all that is required to initiate the chilled water system.

Condenser Water Flow Protection — A jobsite supplied contact closure from a flow switch or pressure switch is required and will shut down the unit if flow is lost.

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Controls

Easy Interface to A Generic Building Management System

Controlling the scroll CGWF chiller with building management systems is state- of-the-art, yet simple with either the LonTalk Communications Interface for Chillers (LCI-C) or Generic Building Management System Hardwire Points.

Simple Interface with Other Control Systems

CH530 controls afford simple interface with other control systems, such as time clocks, building automation systems, and ice storage systems. This means you have the flexibility to meet job requirements while not having to learn a complicated control system. This setup has the same standard features as a stand-alone water chiller, with the possibility of having additional optional features.

What are LonTalk, Echelon, and LonMark?

LonTalk is a communications protocol developed by the Echelon Corporation. The LonMark association develops control profiles using the LonTalk communication protocol. LonTalk is a unit level communications protocol, unlike BACNet used at the system level.

LonTalk Communications Interface for Chillers (LCI-C)

LonTalk Communications Interface for Chillers (LCI-C) provides a generic automation system with the LonMark chiller profile inputs/outputs. The inputs/ outputs include both mandatory and optional network variables. Note: LonMark network variable names are in parentheses when different from chiller naming convention.

Chiller Inputs:

Chiller Enable/Disable

Chilled Liquid Setpoint (Cool Setpoint)

Compressor Inhibit

Chiller Mode (Ice Making)

Chiller Enable/Disable

Allows for chiller to be started or stopped depending on if certain operating conditions are met.

Chilled Water Setpoint

Allows for the external setting independent of the front panel setpoint to adjust the leaving water temperature setpoint.

Compressor Inhibit

Locks out the second compressor on each circuit, reducing the kW draw.

Ice Making

Provides interface with ice making control systems. Please refer to page 11 for more information.

Chiller Outputs:

On/Off

Active Setpoint

Average Percent RLA

Compressor Inhibit

Compressor Starts

Compressor Run Times

Leaving Chilled Water Temperature

Entering Chilled Water Temperature

Evaporator Refrigerant Temperature

Evaporator Refrigerant Pressure

Evaporator Water Pump Request & Flow Status

Leaving Condenser Water Temperature

Entering Condenser Water Temperature

Condenser Refrigerant Temperature

Condenser Refrigerant Pressure

Condenser Water Pump Request & Flow Status

Outdoor Air Temperature (CCAF)

Alarm Descriptor

Chiller Status

Active Setpoint

Indicates the current value of the leaving water temperature setpoint

Average Percent RLA

Provides the current capacity level via % RLA

Compressor Starts and Run Times

Provides the number of starts and run time for each compressor

Alarm Descriptor

Provides alarm messages based on predetermined criteria

Chiller Status

Indicates the running modes and states of the chiller, i.e. Running in alarm mode, chiller enabled, chiller being locally controlled, etc…

Generic Building Management System Hardwire Points

GBAS may be achieved via hardware input/output as well. The input/outputs are as follows:

Chiller Hardwire Inputs Include:

Chiller Enable/Disable

Circuit Enable/Disable

External Chilled Water Setpoint

Compressor Inhibit

Ice Making Enable

Programmable Relays and Alarms

The unit provides seven output options, of which four can be chosen.

a) Compressor running indication b)Maximum capacity

c) Chiller limit mode

d)Warning informational diagnostic indication

e)Alarm latching shutdown diagnostic indication

f)Alarm nonlatching shutdown

diagnostic indication g)Alarm latching or nonlatching

shutdown diagnostic indication

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9

Controls

Tracer Summit controls — Interface With The Trane Integrated Comfort System (ICS)

Trane Chiller Plant Control

The Tracer Summit Chiller Plant Building Management System with Chiller Plant Control provides building automation and energy management functions through stand-alone control. The Chiller Plant Control is capable of monitoring and controlling your entire chiller plant system.

Application software available:

Time-of-day scheduling

Demand limiting

Chiller sequencing

Process control language

Boolean processing

Zone control

Reports and logs

Custom messages

Run time and maintenance

Trend log

PID control loops

And of course, the Trane Chiller Plant Control can be used on a stand-alone basis or tied into a complete building automation system.

When the scroll CGWF chiller is used in conjunction with a Trane TracerSummit system, the unit can be monitored and controlled from a remote location. The chiller can be controlled to fit into the overall building automation strategy by using time of day scheduling, timed override, demand limiting, and chiller sequencing. A building owner can completely monitor the chiller from the Tracer system, since all of the monitoring information indicated on the unit controller’s microcomputer can be read off the Tracer system display. In addition, all the powerful diagnostic information can be read back at the Tracer system. Best of all, this powerful capability comes over a single twisted pair of wires! The scroll liquid chillers can interface with many different external control systems, from simple stand-alone units to ice making systems.

A single twisted pair of wires tied directly between the CGWF chiller and a TracerSummit system provides control, monitoring and diagnostic capabilities. Control functions include auto/stop, adjustment of leaving water temperature setpoint, compressor operation lockout for kW demand limiting and control of ice making mode. The Tracer system reads monitoring information such as entering and leaving evaporator water temperatures and outdoor air temperature. Over 60 individual diagnostic codes can be read by the Tracer system. In addition, the Tracer system can provide sequencing control for up to 25 units on the same chilled water loop. Pump sequencing control can be provided from the Tracer system. Tracer ICS is not available in conjunction the external setpoint capability.

Required Options

Tracer Interface

External Trane Devices Required

Tracer Summit, Tracer 100 System or Tracer Chiller Plant Control

Additional Features That May Be Used

Ice Making Control

10

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Controls

Trane Chiller Plant Automation

Trane’s depth of experience in chillers and controls makes us a well-qualified choice for automation of chiller plants using scroll liquid chillers. The chiller plant control capabilities of the Trane Tracer Summit® building automation system are unequaled in the industry. Our chiller plant automation software is fully pre-engineered and tested. It is a standard software application, not custom programming which can prove to be difficult to support, maintain, and modify.

Energy Efficiency

Trane chiller plant automation intelligently sequences starting of chillers to optimize the overall chiller plant energy efficiency. Individual chillers are designated to operate as base, peak, or swing based on capacity and efficiency. Sophisticated software automatically determines which chiller to run in response to current conditions. The software also automatically rotates individual chiller operation to equalize runtime and wear between chillers.

Trane chiller plant automation enables unique energy-saving strategies. An example is controlling pumps, and chillers from the perspective of overall system energy consumption. The software intelligently evaluates and selects the lowest energy consumption alternative.

Keeping Operators Informed

A crucial part of efficiently running a chiller plant is assuring that the operations staff is instantly aware of what is happening in the plant. Graphics showing schematics of chillers, piping, pumps, and towers clearly depict the chiller plant system, enabling building operators to easily monitor overall conditions. Status screens display both current conditions and upcoming automated control actions to add or subtract chiller capacity. CGWF and other chillers can be monitored and controlled from a remote location.

Tracer Summit features standard report templates listing key operating data for troubleshooting and verifying performance. Reports for each type of Trane chiller and three and six-chiller systems are also standard. Detailed reports showing chiller runtimes aid in planning for preventative maintenance.

Swift Emergency Response

We understand the importance of maintaining chilled water production while protecting your chillers from costly damage. If no water flow is detected to a chiller’s piping, the start sequence is aborted to protect the chiller. The next chiller in the sequence is immediately started to maintain cooling.

In the event of a problem, the operator receives an alarm notification and diagnostic message to aid in quick and accurate troubleshooting. A snapshot report showing system status just prior to an emergency shutdown helps operators determine the cause. If emergency conditions justify an immediate manual shutdown, the operator can override the automatic control.

Easy Documentation for Regulatory Compliance

Comprehensive documentation of refrigerant management practices is now a fact of life. Trane chiller plant automation generates the reports mandated in ASHRAE Guideline 3.

Integrated ComfortCapabilities

When integrated with a Tracer Summit building management system performing building control, Trane chiller plant automation coordinates with Tracer Summit applications to optimize the total building operation. With this system option, the full breadth of Trane’s HVAC and controls experience are applied to offer solutions to many facility issues. If your project calls for an interface to other systems, Tracer Summit can share data via BACnet, the ASHRAE open systems protocol.

Ice Making Systems Controls

An ice making option may be ordered with the 20-60 ton scroll liquid chiller. CH530 will accept a command to initiate ice making. When in the ice making mode, the chiller will be fully loaded and will continue to operate until the ice command is removed or the evaporator entering water temperature reaches the active ice termination setpoint. If terminated on the evaporator entering water temperature, CH530 will not allow the chiller to restart until the ice making command is removed.

Additional Options That May Be Used In

Conjunction

Failure Indication Contacts

Communications Interface (For Tracer

Systems)

Chilled Water Temperature Reset

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11

Application

Considerations

Unit Location

Units should be installed indoors where exposure to rain or water splash is minimal. A level foundation or flooring must be provided which will support at least 150 percent of the operating weight of the unit. The chiller foundation must be rigid to reduce vibration transmission to a minimum. Use of vibration isolators is recommended for applications with sensitive vibration and noise criteria.

Allow service clearance for compressor removal as well as evaporator and condenser tube removal.

Condenser Water Limitations

Water-cooled scroll chillers start and operate satisfactorily over a range of load conditions with uncontrolled entering water temperature.

Reducing the condenser water temperature is an effective method of lowering the power input required. However, by reducing the condenser water temperature beyond certain limits, the effect causes a reduction in the pressure drop across the thermal expansion valve to a point when system instability may occur.

In general, continuous machine operation with entering condenser water temperature below 60°F [15.5°C] is not recommended. When the condenser water temperature is expected to drop below 60°F [15.5°C], it is recommended that some form of condenser water temperature control be used to ensure optimal machine performance.

Water Treatment

Use of untreated or improperly treated water in chillers may result in scaling, erosion, corrosion, algae or slime. It is recommended that the services of a qualified water treatment specialist be engaged to determine what treatment, if any, is advisable. Trane assumes no responsibility for the results of untreated, or improperly treated water.

Water Pumps

Avoid specifying or using 3600 rpm, 60 Hz [3000 rpm, 50 Hz] condenser water and chilled water pumps. Such pumps may operate with objectional noise and vibration. In addition, a low frequency beat may occur due to the slight difference in operating rpm between water pumps and scroll compressor motors. Where noise and vibration-free operation is important, Trane encourages the use of 1750 rpm, 60 Hz [1450 rpm, 50 Hz] pumps.

Remote Condenser

Remote condensers should be located as close as possible to the chiller to ensure minimum pressure drops of discharge refrigerant. If non-Trane condensers are provided, a subcooling circuit must be provided in order to achieve cataloged performances (16°F [-8.9°C] subcooling).

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Model Number

Description

Model Number Description

CGW F

020

4

C

A0

U

A

A

1

C

L

1

D

0

N

N

0

0

N

0

X

0

X

1,2,3

4

5,6,7

8

9

10,11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

Digits 01, 02, 03, – Chiller series

CGWF = Water cooled scroll chiller

CCAF = Scroll compressor chiller (condenserless)

Digits 04, – Development sequence

Digits 05, 06, 07 – Unit nominal tonnage

020 = 20 Nominal tons

025 = 25 Nominal tons

030 = 30 Nominal tons

040 = 40 Nominal tons

050 = 50 Nominal tons

060 = 60 Nominal tons

Digit 08 – Unit voltage

G = 208-230/60/3

D = 380/60/3

N = 400/50/3

4= 460/60/3

5= 575/60/3

Digit 09 – Ship Cycle

C = Made to order

(C) = Packed stock (Contact BU)

Digit 10, 11 – Design sequence

XX = Factory/ABU assigned

Digit 12 – Agency listing

N = No agency listing

U = C/UL listing

Digit 13 – Pressure vessel code

A = ASME code

C = Canadian code

Digit 14 – Shipping package

A= Ship via flat bed truck

B= Ship w/shrink wrap bag and skid

C= Ship w/skid

Digit 15 – Condenser temperature range

0 = None - CCAF units

1 = Standard 60-90°F [15.6-32.2°C] entering water temp

4 = High 90-130°F [32.2-54.4°C] entering water temp

Digit 16 – Condenser tube material

N = None - CCAF units

C = Std copper finned tubes

Digit 17 – Condenser water connections

N = None - CCAF units

L = Left hand cond water connections (default)

R = Right hand cond water connections

Digit 18 – Evaporator temperature range

1 = Standard cooling 40-60°F [4.4-15.6°C] 2 = Ice making 26-39°F [-3.3-3.9°C]

3 = Low temp 10-25°F [-12.2-(-3.9)°C]

4 = Standard cooling/Ice making 20-60°F [-6.7-15.6°C]

Digit 19 – Power line connection type

T = Terminal block

D = Non-fused disconnect switch

Digit 20 – Short circuit rating

0 = No short circuit rating

1 = With short circuit rating

Digit 21 – Control input options

N = No options

R = Remote chilled water setpoint input C = Remote compressor inhibit and/or

icemaking input

B= Remote CWS and compressor inhibit/icemaking input

Digit 22 – Control output options

N = No options

P= Programmable relays for remote alarm, run, etc.

Digit 23 – Auxiliary sensor options

0= None

1= Condenser water temp sensors (CGWF only)

2= Outdoor temp sensor -

CWR or Amb Lockout

3= Both condenser and outdoor temp sensor

Digit 24 – Communication options

0 = None

3 = Tracer Summit interface

5 = LonTalk LCI-C interface

Digit 25 – Hot gas bypass

N = NO HGBP valve/function

H = HGBP function included

Digit 26 – Sound attenuator

0 = No sound attenuator

1 = Sound attenuator - factory installed

Digit 27 – Ship-with accessories - isolators, WRV

X = No ship-with accessories N = Neoprene isolators

A= 1.5" 2-way water reg valve x 1

B= 2" 2-way water reg valve x 1

C= 2.5" 2-way water reg valve x 1

D= 1.5" 2-way water reg valve x 2

E= 2" 2-way water reg valve x 2

F= 2.5" 2-way water reg valve x 2

G= Neo isolators + 1.5" WRV x 1

H= Neo isolators + 2" WRV x 1

J= Neo isolators + 2.5" WRV x 1

K= Neo isolators + 1.5" WRV x 2

L= Neo isolators + 2" WRV x 2

M= Neo isolators + 1.5" WRV x 2

Digit 28 – Ship-with accessories - flow switches

0 = No flow switches

1 = 150 psi NEMA-1 flow switch (FS4-3) x 1

2 = 150 psi NEMA-1 flow switch (FS4-3) x 2

4 = 150 psi NEMA-4 flow switch (FS8-W) x 1

5 = 150 psi NEMA-4 flow switch (FS8-W) x 2

Digit 29 – Design special

X = Unit has no special features

S = Unit has special design feature

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13

General Data

Table GD-1. General data — CGWF water-cooled chiller

 

 

Size

 

20

25

30

40

50

60

 

 

Compressor

 

 

 

 

 

 

 

 

 

 

Quantity (1)

 

2

2

2

2/2

2/2

2/2

 

 

 

Nominal Size (tons) (2)

10/10

10/15

15/15 10-10/10-10

10-15/10-15

15-15/15-15

 

 

 

Steps of Unloading (%)

100,50

100,60

100,50

100,75,50,25

100,80,60,30

100,75,50,25

 

 

 

Evaporator

 

 

 

 

 

 

 

 

 

 

Water Storage

(gallons)

12

11

16

13

21

40

 

 

 

 

(liters)

45

42

61

49

80

151

 

 

 

Min. Flow

(gpm)

24

30

36

48

60

84

 

 

 

 

(L/s)

1.5

1.9

2.3

3.0

3.8

4.7

 

 

 

Max. Flow

(gpm)

72

90

108

144

180

252

 

 

 

 

(L/s)

4.5

5.7

6.8

9.1

11.4

17.3

 

 

 

Condenser

 

 

 

 

 

 

 

 

 

 

Water Storage

(gallons)

5.0

6.1

7.6

11.7

13.9

14.0

 

 

 

 

(liters)

18.9

23.2

28.9

44.2

52.7

53.1

 

 

 

Min. Flow

(gpm)

30

36

50

60

72

90

 

 

 

 

(L/s)

1.9

2.3

3.2

3.8

4.5

5.7

 

 

 

Max. Flow

(gpm)

90

108

146

180

216

325

 

 

 

 

(L/s)

5.7

6.8

9.2

11.4

13.6

20.5

 

 

 

General Unit

 

 

 

 

 

 

 

 

 

 

Refrigerant

 

R-22

R-22

R-22

R-22

R-22

R-22

 

 

 

No. of Independent

 

 

 

 

 

 

 

 

 

Refrigerant Circuits

1

1

1

2

2

2

 

 

 

Refrigerant

(pound)

50

50

90

50/50

50/50

75/75

 

 

 

Charge

(kilogram)

22.7

22.7

40.8

22.7/22.7

22.7/22.7

34/34

 

 

 

Oil Charge

(pints)

16

22

28

16/16

22/22

28/28

 

 

 

 

(liters)

7.6

10.4

13.2

7.6/7.6

10.4/10.4

13.3/13.3

Notes

1.Data containing information on two circuits shown as follows: CKT 1/CKT 2

2.Nominal compressor sizes based on 60 Hz.

Table GD-2. General data — CCAF compressor chiller

Size

 

20

25

30

40

50

60

Compressor

 

 

 

 

 

 

 

 

Quantity (1)

 

2

2

2

2/2

2/2

2/2

 

Nominal Size (tons) (2)

10/10

10/15

15/15 10-10/10-10

10-15/10-15

15-15/15-15

 

Steps of Unloading (%)

100,50

100,60

100,50

100,75,50,25

100,80,60,30

100,75,50,25

 

Evaporator

 

 

 

 

 

 

 

 

Water Storage

(gallons)

12

11

16

13

21

19

 

 

(liters)

45

42

61

49

80

72

 

Min. Flow

(gpm)

24

30

36

48

60

84

 

 

(L/s)

1.5

1.9

2.3

3.0

3.8

4.7

 

Max. Flow

(gpm)

72

90

108

144

180

252

 

 

(L/s)

4.5

5.7

6.8

9.1

11.4

17.3

 

General Unit

 

 

 

 

 

 

 

 

Refrigerant

 

R-22

R-22

R-22

R-22

R-22

R-22

 

No. of Independent

 

 

 

 

 

 

 

Refrigerant Circuits

1

1

1

2

2

2

 

Refrigerant

(pound)

6

8

12

6/6

8/8

12/12

 

Charge

(kilogram)

2.7

3.6

5.4

2.7/2.7

3.6/3.6

5.5/5.5

 

Oil Charge

(pints)

16

22

28

16/16

22/22

28/28

 

 

(liters)

7.6

10.4

13.2

7.6/7.6

10.4/10.4

13.3/13.3

Notes:

1.Data containing information on two circuits shown as follows: CKT 1/CKT 2

2.Nominal compressor sizes based on 60 Hz.

14

CG-PRC012-EN

Selection

Procedures

The chiller capacity tables on the following pages cover the most frequently encountered leaving water temperatures. For temperature drops other than 10°F [5.6°C], refer to Table SP-1, Performance Adjustment Factors, shown below.

Additional chiller selections and performance information can be obtained through your local Trane sales office.

To select a Trane water-cooled scroll chiller, the following information is required:

1.Design load in tons of refrigeration

2.Design chilled water temperature drop

3.Design leaving chilled water temperature

4.Entering condenser water temperature

Evaporator flow rate (gpm) can be determined by using the following formula:

gpm =

Tons x 24

 

Chilled Water T (F)

Condenser flow rate (gpm) can be determined by using the following formula:

gpm =

24 x (tons + (0.285 x compressor kW) Condenser Water T (F)

Table SP-1. Performance adjustment factors

Fouling

Water

 

Evap.

 

Cond.

Factor

Delta T

Capacity

GPM

kW

GPM

 

8

0.997

1.231

1.000

0.997

0.00010

10

1.000

1.000

1.000

1.000

 

12

1.007

0.829

1.001

1.006

 

14

1.012

0.714

1.001

1.010

 

16

1.017

0.628

1.002

1.014

Note:

This selection procedure is for water only as the solution.

Scroll Liquid Chiller — (CGWF) — Selection Example:

Given:

System Load = 40 tons

Leaving Chilled Water Temperature (LCWT) = 44°F [6.7°C]

Entering Condenser Water Temperature (EWT) = 85°F [29.4°C]

Leaving Condenser Water Temperature (LWT) = 95°F [35°C]

Chilled Water Temperature Drop

=10°F [5.6°C]

1.From Table PD-1 (Performance Data), a CGWF 40 at the given conditions will produce 39.4 tons with a compressor power input of 30.3 kW and a unit EER of 15.6.

2.To determine the evaporator and condenser water pressure drops, the flow rates (gpm) must be determined. Using the formula above, this unit would require an evaporator flow rate of 95 gpm and a condenser flow rate of 115 gpm. (Compressor kW is found in the same table as the capacity.) The Evaporator Pressure Drop Curve, Chart PD-1, indicates that 95 gpm through a 40 ton evaporator results in a pressure drop of 13.8 feet of water. The Condenser Pressure Drop curve, Chart PD-2, indicates 115 gpm through a 40 ton condenser results in a pressure drop of 14 feet of water.

3.The final unit selection is:

Quantity (1) CGWF 40

Cooling Capacity = 39.4 tons

Entering/Leaving Chilled Water Temperatures = 54/44°F [12.2/6.7°C]

Chilled water flow rate = 95 gpm

Evaporator water pressure drop = 13.8 feet

Cooling water flow = 115 gpm

Condenser water pressure drop = 14 feet

Compressor power input = 30.3 kW

Unit EER = 15.6

Compressor Chiller – (CCAF) – Selection Example:

Select the unit for the following conditions:

A compressor chiller is required to produce 45 tons when matched with an air-cooled condenser. The leaving chilled water temperature is 44°F [6.7°C]. The evaporator temperature differential is 10°F [5.6°C]. The ambient temperature is 95°F [35°C].

1.Select the nominal unit size. The performance data is tabulated by leaving chilled water temperature. For example, the standard unit capacities at 44°F [6.7°C] leaving chilled water temperature are found on page 21. The system that best meets the tonnage requirement is a CCAF 50 matched with a CAUC C50. The unit capacity is 47.1 tons with a kW input of

56.3.The compressor chiller EER is

2.Calculate the required chilled water flow rate.

3. gpm =

Tons x 24

 

Chilled Water T (F)

From this example,

gpm =

47.1 x 24 = 113

 

10

4.Determine the evaporator water pressure drop. The evaporator water pressure drop is located on page 22. Entering the evaporator chart at 113 gpm, the pressure drop for a CCAF 50 evaporator is 7.9 feet.

5.Unit Selection

The above procedure shows the proper selection for this example is a CCAF 50 with a CAUB C50 condenser operating as follows:

Capacity = 47.1

Entering/leaving chilled water temperature = 54/44°F [12.2/6.7°C]

Chilled water flow rate = 113 gpm

Evaporator water pressure drop = 7.9 feet

Compressor power input = 56.3

Unit EER = 10.0

CG-PRC012-EN

15

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-1. 60 Hz CGWF performance data in English units

 

 

Evaporator

 

 

 

 

 

 

Entering Condenser Water Temperature (F)

 

 

 

 

 

 

 

Leaving Water

Unit

 

75

 

 

80

 

 

85

 

 

90

 

 

95

 

 

 

Temperature (F)

Size

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

 

 

 

20

19.2

13.8

16.7

19.0

14.5

15.7

18.6

15.4

14.6

18.1

16.1

13.5

17.7

17.1

12.4

 

 

 

25

23.8

17.2

16.5

23.2

18.1

15.4

22.7

19.1

14.3

22.1

20.1

13.2

21.6

21.2

12.2

 

 

40

30

28.3

20.7

16.4

27.6

21.7

15.3

27.0

22.9

14.1

26.3

24.1

13.1

25.6

25.4

12.1

 

 

 

40

38.0

27.3

16.8

37.2

28.7

15.6

36.5

30.2

14.5

35.5

31.8

13.4

34.6

33.6

12.4

 

 

 

50

47.0

34.1

16.6

46.0

35.8

15.4

44.9

37.7

14.3

43.8

39.7

13.2

42.7

41.0

12.2

 

 

 

60

57.7

42.1

16.4

56.4

44.2

15.3

55.0

46.5

14.2

53.7

49.0

13.1

52.3

51.7

12.1

 

 

 

20

20.0

13.9

17.3

19.8

14.6

16.3

19.3

15.4

15.1

18.9

16.2

14.0

18.4

17.1

12.9

 

 

 

25

24.7

17.3

17.1

24.2

18.2

15.9

23.6

19.2

14.8

23.0

20.2

13.7

22.4

21.3

12.6

 

 

42

30

29.4

20.8

17.0

28.7

21.8

15.8

28.0

23.0

14.7

27.3

24.2

13.6

26.6

25.5

12.5

 

 

 

40

39.5

27.4

17.3

38.7

28.8

16.1

37.8

30.3

15.0

36.9

32.0

13.9

36.0

33.8

12.8

 

 

 

50

48.9

34.2

17.2

47.8

36.0

16.0

46.7

37.9

14.8

45.6

39.9

13.7

44.4

42.1

12.7

 

 

 

60

59.9

42.3

17.0

58.5

44.4

15.8

57.2

46.7

14.7

55.7

49.2

13.6

54.3

51.9

12.6

 

 

 

20

20.8

13.9

17.3

20.5

14.7

16.8

19.9

15.4

15.5

19.6

16.3

14.5

19.1

17.2

12.9

 

 

 

25

25.7

17.4

17.7

25.1

18.3

16.5

24.5

19.1

15.4

23.9

20.3

14.2

23.3

21.4

13.1

 

 

44

30

30.6

20.8

17.6

29.9

21.9

16.4

29.2

22.9

15.3

28.4

24.3

14.0

27.7

25.6

13.0

 

 

 

40

41.1

27.5

17.9

40.2

28.9

16.7

39.4

30.3

15.6

38.4

32.1

14.4

37.4

33.9

13.3

 

 

 

50

50.8

34.4

17.7

49.7

35.1

16.5

48.6

37.8

15.4

47.4

40.1

14.2

46.2

42.3

13.1

 

 

 

60

62.1

42.5

17.6

60.7

44.6

16.3

59.4

46.8

15.2

57.9

49.4

14.1

56.4

52.1

13.0

 

 

 

20

21.5

14.0

18.5

21.3

14.7

17.4

20.9

15.5

16.2

20.4

16.3

15.0

19.9

17.3

13.8

 

 

 

25

26.6

17.4

18.3

26.1

18.3

17.1

25.5

19.3

15.8

24.9

20.3

14.7

24.2

21.5

13.5

 

 

46

30

31.7

20.9

18.2

31.0

22.0

16.9

30.3

23.1

15.7

29.5

24.4

14.5

28.7

25.7

13.4

 

 

 

40

42.6

27.6

18.5

41.7

29.0

17.3

40.8

30.6

16.0

39.9

32.3

14.8

38.9

34.1

13.7

 

 

 

50

52.8

34.5

18.4

51.6

36.3

17.1

50.4

38.2

15.9

49.2

40.2

14.7

48.0

42.4

13.6

 

 

 

60

64.4

42.6

18.1

63.0

44.8

16.9

61.5

47.1

15.7

60.0

49.6

14.5

58.5

52.3

13.4

 

 

 

20

22.4

14.0

19.1

22.1

14.8

18.0

21.6

15.6

16.7

21.1

16.4

15.5

20.6

17.3

14.3

 

 

 

25

27.6

17.5

19.0

27.0

18.4

17.6

26.4

19.4

16.4

25.8

20.4

15.2

25.2

21.6

14.0

 

 

48

30

32.9

21.0

18.8

32.2

22.1

17.5

31.4

23.2

16.2

30.7

24.5

15.0

29.9

25.8

13.9

 

 

 

40

44.2

27.8

19.1

43.3

29.2

17.8

42.4

30.7

16.6

41.4

32.4

15.3

40.4

34.2

14.2

 

 

 

50

54.7

34.6

19.0

53.6

35.4

17.7

52.3

38.3

16.4

51.1

40.4

15.2

49.8

42.6

14.0

 

 

 

60

66.7

42.8

18.7

65.2

45.0

17.4

63.7

47.3

16.2

62.2

49.8

15.0

60.7

52.5

13.9

 

 

 

20

23.2

14.1

19.7

22.9

14.8

18.6

22.4

15.6

17.2

21.9

16.5

16.0

21.4

17.4

14.8

 

 

 

25

28.7

17.6

19.6

28.0

18.5

18.2

27.4

19.4

16.9

26.8

20.5

15.7

26.1

21.6

14.5

 

 

50

30

34.1

21.1

19.5

33.4

22.1

18.1

32.6

23.3

16.8

31.8

24.6

15.6

31.0

25.0

14.4

 

 

 

40

45.9

27.9

19.8

44.9

29.3

18.4

43.9

30.8

17.1

42.9

32.5

15.8

41.9

34.3

14.6

 

 

 

50

56.8

34.8

19.6

55.5

36.5

18.2

54.3

38.5

16.9

53.0

40.5

15.7

51.7

42.8

14.5

 

 

 

60

69.1

43.0

19.3

67.6

45.1

18.0

66.0

47.5

16.7

64.5

50.0

15.5

62.9

52.8

14.3

Notes:

1.Rated in accordance with ARI Standard 550/590-98 with fouling factors of 0.0001 in the evaporator and 0.00025 in the condenser.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kW input is for compressors only.

4.EER = Energy Efficiency Ratio (Btu/watt-hout). Power inputs include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 10°F.

6.Interpolation between points is permissible. Extrapolation is not permitted.

16

CG-PRC012-EN

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-2. 60 Hz CGWF performance data in Metric units

Evaporator

 

 

 

Entering Condenser Water Temperature (C)

 

 

Leaving Water

Unit

 

25

 

 

30

 

 

35

 

Temperature (C)

Size

kWo

kWi

COP

kWo

kWi

COP

kWo

kWi

COP

 

20

70.4

14.2

5.0

67.7

15.5

4.4

64.7

17.1

3.8

 

25

87.1

17.7

4.9

83.5

19.4

4.3

79.8

21.8

3.7

6

30

104.0

21.2

4.9

99.6

23.2

4.3

95.1

25.6

3.7

 

40

139.5

28.0

5.0

133.9

30.7

4.4

128.1

33.8

3.8

 

50

172.4

35.0

4.9

165.3

38.3

4.3

157.9

42.2

3.7

 

60

211.0

43.2

4.9

202.2

47.3

4.3

193.1

52.0

3.7

 

20

75.7

14.3

5.3

72.7

15.7

4.6

69.6

17.3

4.0

 

25

93.5

17.8

5.3

89.8

19.5

4.6

85.8

21.5

4.0

8

30

111.4

21.4

5.2

106.8

23.4

4.6

102.0

25.7

4.0

 

40

150.3

28.2

5.3

144.5

30.9

4.7

138.3

34.1

4.1

 

50

185.3

35.2

5.3

177.7

38.6

4.6

169.9

42.5

4.0

 

60

226.0

43.5

5.2

216.8

47.6

4.6

207.2

52.4

4.0

 

20

80.8

14.4

5.6

77.7

15.8

21.7

74.4

17.4

4.3

 

25

99.9

17.9

5.6

95.9

19.6

21.5

91.8

21.6

4.8

10

30

119.0

21.5

5.5

114.1

23.6

21.4

109.1

25.9

4.2

 

40

159.9

28.4

5.6

153.8

31.2

21.8

147.3

34.3

4.3

 

50

197.9

35.5

5.6

185.9

35.2

23.3

181.7

42.8

4.2

 

60

240.7

43.8

5.5

231.0

48.0

21.2

221.0

52.8

4.2

Notes:

1.Rated in accordance with ARI Standard 550/590-98 with fouling factors of 0.0176 in the evaporator and 0.044 in the condenser.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kWi input is for compressors only.

4.COP = Coefficient of Performance (kWo/total kW). Total kW include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 5.6°C.

6.Interpolation between points is permissible. Extrapolation is not permitted.

CG-PRC012-EN

17

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-3. 50 Hz CGWF performance data in English units

 

 

Evaporator

 

 

 

 

 

 

Entering Condenser Water Temperature (F)

 

 

 

 

 

 

 

Leaving Wate

Unit

 

75

 

 

80

 

 

85

 

 

90

 

 

95

 

 

 

Temperature (F)

Size

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

 

 

 

20

19.2

13.8

16.7

19.0

14.5

15.7

18.6

15.4

14.6

18.1

16.1

13.5

17.7

17.1

12.4

 

 

 

20

16.8

11.1

18.1

16.4

11.7

16.8

16.0

12.4

15.5

15.6

13.1

14.3

15.3

13.9

13.1

 

 

 

25

20.7

13.9

17.9

20.3

14.6

16.6

19.8

15.5

15.4

19.4

16.3

14.2

18.9

17.3

13.1

 

 

42

30

24.6

16.7

17.7

24.1

17.5

16.5

23.6

18.5

15.3

23.0

19.5

14.1

22.5

20.7

13.0

 

 

 

40

33.2

21.9

18.2

32.5

23.1

16.9

31.8

24.4

15.6

31.0

25.9

14.4

30.2

27.4

13.2

 

 

 

50

41.0

27.4

17.9

40.1

28.9

16.7

39.2

30.5

15.5

38.3

32.2

14.3

37.4

34.1

13.1

 

 

 

60

50.4

33.8

17.9

49.3

35.6

16.7

48.2

37.5

15.4

47.1

39.6

14.3

46.0

41.9

13.2

 

 

 

20

17.4

11.1

18.8

17.1

11.7

17.4

16.7

12.4

16.1

16.3

13.2

14.9

15.9

13.9

13.7

 

 

 

25

21.5

13.9

18.6

21.1

14.7

17.3

20.6

15.5

16.0

20.1

16.4

14.8

19.6

17.3

13.6

 

 

44

30

25.6

16.7

18.4

25.1

17.6

17.1

24.5

18.5

15.9

24.0

19.6

14.7

23.4

20.7

13.5

 

 

 

40

34.5

22.0

18.9

33.8

23.2

17.5

33.0

24.5

16.2

32.2

25.9

14.9

31.4

27.5

13.7

 

 

 

50

42.6

27.5

18.6

41.7

29.0

17.3

40.8

30.6

16.0

39.9

32.3

14.8

38.9

34.2

13.6

 

 

 

60

52.3

33.9

18.5

51.2

35.7

17.2

50.1

37.6

16.0

48.9

39.7

14.8

47.7

42.0

13.7

 

 

 

20

18.1

11.2

19.5

17.7

11.8

18.1

17.3

12.4

16.7

16.9

13.2

15.4

16.5

14.0

14.2

 

 

 

25

22.4

13.9

19.2

21.9

14.7

17.9

21.4

15.5

16.6

20.9

16.4

15.3

20.4

17.4

14.1

 

 

46

30

26.6

16.7

19.1

26.0

17.6

17.7

25.5

18.6

16.5

24.9

19.6

15.2

24.3

20.8

14.0

 

 

 

40

35.8

22.0

19.6

35.1

23.2

18.2

34.3

24.5

16.8

33.5

26.0

15.5

32.7

27.5

14.2

 

 

 

50

44.3

27.6

19.3

43.3

29.0

17.9

42.4

30.6

16.6

41.4

32.4

15.4

40.4

34.3

14.2

 

 

 

60

54.2

34.0

19.1

53.1

35.8

17.8

51.9

37.7

16.5

50.8

39.8

15.3

49.5

42.1

14.1

 

 

 

20

18.8

11.2

20.2

18.4

11.8

18.8

18.0

12.5

17.3

17.6

13.2

16.0

17.2

14.0

14.7

 

 

 

25

23.2

14.0

19.9

22.7

14.7

18.5

22.2

15.5

17.2

21.7

16.4

15.9

21.2

17.4

14.6

 

 

48

30

27.6

16.8

19.7

27.0

17.7

18.4

26.5

18.6

17.0

25.9

19.7

15.8

25.2

20.8

14.5

 

 

 

 

 

40

37.2

22.0

20.3

36.4

23.2

18.8

35.6

24.6

17.4

34.8

26.0

16.1

34.0

27.6

14.8

 

 

 

50

45.9

27.6

20.0

45.0

29.1

18.6

44.0

30.7

17.2

43.0

32.4

15.9

42.0

34.3

14.7

 

 

 

60

56.1

34.1

19.8

55.0

35.9

18.4

53.9

37.8

17.1

52.6

40.0

15.8

51.4

42.2

14.6

 

 

 

20

19.5

11.2

20.9

19.1

11.8

19.4

18.7

12.5

18.0

18.3

13.2

16.6

17.8

14.0

15.3

 

 

 

25

24.1

14.0

20.6

23.6

14.8

19.2

23.1

15.6

17.8

22.6

16.5

16.4

22.0

17.4

15.1

 

 

50

30

28.6

16.8

20.4

28.0

17.7

19.0

27.5

18.7

17.6

26.8

19.7

16.3

26.2

20.9

15.1

 

 

 

40

38.6

22.1

21.0

37.8

23.3

19.5

37.0

24.6

18.0

36.1

26.1

16.6

35.3

27.6

15.3

 

 

 

50

47.6

27.7

20.7

46.7

29.1

19.2

45.7

30.8

17.8

44.6

32.5

16.5

43.6

34.4

15.2

 

 

 

60

58.1

34.2

20.4

57.0

36.0

19.0

55.8

37.9

17.7

54.5

40.1

16.3

53.3

42.3

15.1

Notes:

1.Rated in accordance with ARI Standard 550/590-98 with fouling factors of 0.00010 in the evaporator and 0.00025 in the condenser.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kW input is for compressors only.

4.EER = Energy Efficiency Ratio (Btu/watt-hour). Power inputs include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 10°F.

6.Interpolation between points is permissible. Extrapolation is not permitted.

18

CG-PRC012-EN

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-4. 50 Hz CGWF performance data in Metric units

Evaporator

 

 

 

Entering Condenser Water Temperature (C)

 

 

Leaving Water

Unit

 

25

 

 

30

 

 

35

 

Temperature (C)

Size

kWo

kWi

COP

kWo

kWi

COP

kWo

kWi

COP

 

20

70.4

14.2

5.0

67.7

15.5

4.4

64.7

17.1

3.8

 

20

59.4

11.4

5.2

57.0

12.6

4.5

54.5

14.0

3.9

 

25

73.4

14.2

5.2

70.5

15.7

4.5

67.5

17.3

3.9

6

30

87.3

17.0

5.1

83.9

18.7

4.5

80.3

20.7

3.9

 

40

117.6

22.4

5.2

112.9

24.8

4.6

108.0

27.5

3.9

 

50

145.3

28.0

5.2

139.7

30.9

4.5

133.7

34.2

3.9

 

60

178.4

34.5

5.2

171.7

38.0

4.5

164.0

41.9

3.9

 

20

63.7

11.4

5.6

61.2

12.6

4.9

58.5

14.0

4.2

 

25

78.6

14.3

5.5

75.6

15.7

4.8

72.3

17.4

4.2

8

30

93.5

17.1

5.5

89.9

18.8

4.8

86.1

20.8

4.1

 

40

126.0

22.5

5.6

121.0

24.8

4.9

115.8

27.8

4.2

 

50

155.6

28.2

5.5

149.5

31.0

4.8

143.2

34.3

4.2

 

60

190.4

34.7

5.5

183.3

38.2

4.8

175.6

42.2

4.2

 

20

68.1

11.4

6.0

65.4

12.6

5.2

62.7

14.0

4.5

 

25

84.0

14.3

5.9

80.8

15.8

5.1

77.4

17.5

4.4

10

30

99.9

17.2

5.8

96.2

18.9

5.1

92.2

20.9

4.4

 

40

134.8

22.6

6.0

129.5

24.9

5.2

124.2

27.7

4.5

 

50

166.4

28.3

5.9

160.1

31.1

5.1

153.4

34.5

4.4

 

60

203.0

34.9

5.8

195.3

38.4

5.1

187.2

42.4

4.4

Notes:

1.Rated in accordance with ARI Standard 550/590-98 with fouling factors of 0.0176 in the evaporator and 0.044 in the condenser.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kWi input is for compressors only.

4.COP = Coefficient of Performance (kWo/total kW). Total kW include compressors and control power.

5.Ratings are based on an evaporator and condenser temperature drop of 5.6°C.

6.Interpolation between points is permissible. Extrapolation is not permitted.

CG-PRC012-EN

19

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-7. 60 Hz CCAF performance data in English units

 

 

Evaporator

 

 

 

 

 

 

Entering Condenser Air Temperature (F)

 

 

 

 

 

 

Leaving Water

Unit

Condenser

 

85

 

 

95

 

 

105

 

 

115

 

 

 

Temperature (F)

Size

Size

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

 

 

 

20

CAUC-C20

19.4

19.5

11.8

18.4

21.6

10.1

17.3

23.9

8.6

16.1

26.6

7.2

 

 

 

20

CAUC-C25

19.7

18.6

12.6

18.7

20.6

10.8

17.6

23.0

9.1

16.5

25.5

7.7

 

 

 

25

CAUC-C25

24.1

24.9

11.5

22.8

27.6

9.9

21.5

30.6

8.4

20.0

34.0

7.0

 

 

 

25

CAUC-C30

24.5

23.4

12.5

23.3

26.0

10.7

22.0

28.9

9.1

20.6

32.1

7.7

 

 

42

30

CAUC-C30

28.8

29.1

11.8

27.3

32.2

10.1

25.7

35.7

8.6

24.1

39.6

7.3

 

 

 

30

CAUC-C40

29.2

27.0

12.9

27.8

29.9

11.1

26.3

33.2

9.5

24.7

36.9

8.0

 

 

 

40

CAUC-C40

38.7

38.8

11.9

36.7

43.0

10.2

34.5

47.8

8.6

32.2

53.2

7.2

 

 

 

40

CAUC-C50

39.1

37.4

12.5

37.1

41.6

10.6

35.0

46.2

9.0

32.7

51.4

7.6

 

 

 

50

CAUC-C50

47.6

50.2

11.3

45.1

55.6

9.7

42.5

61.8

8.2

39.7

68.4

6.9

 

 

 

50

CAUC-C60

48.4

47.0

12.3

46.0

52.2

10.5

43.5

58.2

8.9

40.8

64.6

7.6

 

 

 

60

CAUC-C60

56.9

58.4

11.6

54.0

64.8

10.0

50.9

71.8

8.5

47.6

79.8

7.1

 

 

 

60

CAUC-C80

57.5

53.6

12.8

54.7

59.6

11.0

51.8

66.4

9.3

48.6

73.8

7.9

 

 

 

20

CAUC-C20

20.0

19.7

12.1

19.0

21.8

10.4

17.8

24.2

8.8

16.6

26.8

7.4

 

 

 

20

CAUC-C25

20.4

18.8

12.9

19.3

20.8

11.0

18.2

23.2

9.3

17.1

25.7

7.9

 

 

 

25

CAUC-C25

24.9

25.1

11.8

23.6

27.9

10.1

22.2

30.9

8.6

20.7

34.3

7.2

 

 

 

25

CAUC-C30

25.3

23.7

12.7

24.1

26.3

10.9

22.7

29.2

9.3

21.3

32.4

7.9

 

 

44

30

CAUC-C30

29.7

29.4

12.1

28.2

32.6

10.3

26.6

36.1

8.8

24.9

40.0

7.4

 

 

 

30

CAUC-C40

30.2

27.2

13.2

28.8

30.2

11.4

27.2

33.5

9.7

25.6

37.2

8.2

 

 

 

40

CAUC-C40

39.9

39.2

12.1

37.8

43.4

10.4

35.6

48.2

8.8

33.3

53.6

7.4

 

 

 

40

CAUC-C50

40.3

37.8

12.7

38.3

42.0

10.9

36.1

46.6

9.2

33.8

51.8

7.8

 

 

 

50

CAUC-C50

49.1

50.6

11.6

46.6

56.2

9.9

43.9

62.2

8.4

41.0

69.0

7.1

 

 

 

50

CAUC-C60

50.0

47.4

12.6

47.5

52.6

10.8

44.9

58.6

9.2

42.2

65.2

7.7

 

 

 

 

 

 

60

CAUC-C60

58.7

58.5

12.0

55.7

65.4

10.2

52.6

72.6

8.7

49.2

80.6

7.3

 

 

 

60

CAUC-C80

59.3

54.0

13.1

56.5

60.0

11.3

53.5

66.8

9.6

50.3

74.4

8.1

 

 

 

20

CAUC-C20

20.7

19.9

12.4

19.6

22.0

10.6

18.4

24.4

9.0

17.2

27.1

7.6

 

 

 

20

CAUC-C25

21.0

18.9

13.2

20.0

21.0

11.3

18.8

23.4

9.6

17.6

25.9

8.1

 

 

 

25

CAUC-C25

25.7

25.4

12.1

24.3

28.2

10.3

22.9

31.2

8.8

21.4

34.6

7.4

 

 

 

25

CAUC-C30

26.2

23.9

13.1

24.9

26.5

11.2

23.5

29.5

9.5

22.0

32.6

8.1

 

 

46

30

CAUC-C30

30.7

29.7

12.3

29.1

32.9

10.6

27.5

36.4

9.0

25.7

40.4

7.6

 

 

 

30

CAUC-C40

31.2

27.4

13.6

29.7

30.4

11.7

28.2

33.8

10.0

26.5

37.5

8.4

 

 

 

40

CAUC-C40

41.1

38.6

12.7

39.0

43.8

10.6

36.8

48.8

9.0

34.4

54.0

7.6

 

 

 

40

CAUC-C50

41.6

38.0

13.1

39.5

42.2

11.2

37.3

47.0

9.5

35.0

52.2

8.0

 

 

 

50

CAUC-C50

50.6

51.2

11.8

48.0

56.6

10.1

45.3

62.8

8.6

42.3

69.8

7.2

 

 

 

50

CAUC-C60

51.6

47.8

12.9

49.1

53.2

11.0

46.4

59.0

9.4

43.6

65.6

7.9

 

 

 

60

CAUC-C60

60.5

59.4

12.2

57.5

66.0

10.4

54.3

73.2

8.9

50.9

81.2

7.5

 

 

 

60

CAUC-C80

61.2

54.4

13.4

58.3

60.6

11.5

55.2

67.4

9.8

52.0

75.0

8.3

Notes:

1.Ratings based on sea level altitude and evaporator fouling factor of 0.00010.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kW input is for compressors only.

4.EER = Energy Efficiency Ratio (Btu/watt-hour). Power inputs include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 10°F.

6.Interpolation between points is permissible. Extrapolation is not permitted.

7.Rated in accordance with ARI Standard 550/590-98.

20

CG-PRC012-EN

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-8. 60 Hz CCAF performance data in English units

Evaporator

 

 

 

 

 

 

Entering Condenser Air Temperature (F)

 

 

 

 

 

 

Leaving Water

Unit

Condenser

 

85

 

 

95

 

 

105

 

 

115

 

 

 

Temperature (F)

Size

Size

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

Tons

kW

EER

 

 

 

20

CAUC-C20

21.3

20.1

12.6

20.2

22.2

10.8

19.0

24.6

9.2

17.7

27.3

7.7

 

 

 

20

CAUC-C25

21.7

19.1

13.5

20.6

21.2

11.6

19.4

23.6

9.8

18.2

26.2

8.3

 

 

 

25

CAUC-C25

26.5

25.7

12.3

25.1

28.4

10.5

23.7

31.5

9.0

22.1

34.9

7.6

 

 

 

25

CAUC-C30

27.0

24.1

13.4

25.7

26.7

11.5

24.3

29.6

9.8

22.8

32.9

8.3

 

 

48

30

CAUC-C30

31.6

30.0

12.6

30.1

33.2

10.8

28.4

36.8

9.2

26.6

40.7

7.8

 

 

 

30

CAUC-C40

32.2

27.7

13.9

30.7

30.7

11.9

29.1

34.1

10.2

27.4

37.8

8.7

 

 

 

40

CAUC-C40

42.4

40.0

12.6

40.2

44.4

10.8

37.9

49.2

9.2

35.5

54.6

7.8

 

 

 

40

CAUC-C50

42.8

38.4

13.3

40.7

42.6

11.4

38.5

47.4

9.7

36.1

52.6

8.2

 

 

 

50

CAUC-C50

52.2

51.6

12.1

49.5

57.2

10.3

46.7

63.4

8.8

43.7

70.2

7.4

 

 

 

50

CAUC-C60

53.2

48.2

13.2

50.6

53.6

11.3

47.9

59.6

9.6

45.0

66.2

8.1

 

 

 

60

CAUC-C60

62.4

60.2

12.4

59.3

66.6

10.6

56.0

74.0

9.1

52.5

82.0

7.7

 

 

 

60

CAUC-C80

63.1

54.8

13.8

60.2

61.8

11.8

57.0

67.8

10.1

53.7

75.4

8.5

 

 

 

20

CAUC-C20

21.9

20.3

12.8

20.8

22.5

11.0

19.6

24.9

9.4

18.3

27.6

7.9

 

 

 

20

CAUC-C25

22.3

19.3

13.8

21.2

21.4

11.8

20.1

23.8

10.1

18.8

26.4

8.5

 

 

 

25

CAUC-C25

27.3

25.9

12.6

25.9

28.7

10.8

24.4

31.8

9.2

22.9

35.2

7.8

 

 

 

25

CAUC-C30

27.9

24.3

13.7

26.5

26.9

11.8

25.1

29.9

10.0

23.5

33.1

8.5

 

 

50

30

CAUC-C30

32.6

30.3

12.8

31.0

33.6

11.0

29.3

37.2

9.4

27.5

41.1

8.0

 

 

 

30

CAUC-C40

33.2

27.9

14.2

31.7

30.9

12.2

30.0

34.3

10.4

28.3

38.1

8.9

 

 

 

40

CAUC-C40

43.6

40.4

12.9

41.4

44.8

11.0

39.1

49.6

9.4

36.6

55.0

8.0

 

 

 

40

CAUC-C50

44.1

38.8

13.6

42.0

43.0

11.7

39.7

47.8

9.9

37.2

53.0

8.4

 

 

 

50

CAUC-C50

53.7

52.2

12.3

51.0

57.8

10.5

48.1

64.0

9.0

45.1

71.0

7.6

 

 

 

50

CAUC-C60

54.8

48.6

13.5

52.2

54.0

11.5

49.4

60.0

9.8

46.4

66.6

8.3

 

 

 

 

 

 

60

CAUC-C60

64.3

60.8

12.6

61.1

67.4

10.8

57.8

74.6

9.3

54.2

82.8

7.8

 

 

 

60

CAUC-C80

65.1

55.4

14.0

62.1

61.4

12.1

58.8

68.4

10.3

55.4

76.0

8.7

 

 

 

 

 

Notes:

1.Ratings based on sea level altitude and evaporator fouling factor of 0.00010.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kW input is for compressors only.

4.EER = Energy Efficiency Ratio (Btu/watt-hour). Power inputs include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 10°F.

6.Interpolation between points is permissible. Extrapolation is not permitted.

7.Rated in accordance with ARI Standard 550/590-98.

CG-PRC012-EN

21

Performance

Full Load

Data

Performance

 

 

 

 

Table PD-9. 60 Hz CCAF performance data in Metric units

 

 

Evaporator

 

 

 

 

 

 

Entering Condenser Air Temperature (C)

 

 

 

 

 

 

Leaving Water

Unit

Condenser

 

30

 

 

35

 

 

40

 

 

45

 

 

 

Temperature (C)

Size

Size

kWo

kWi

COP

kWo

kWi

COP

kWo

kWi

COP

kWo

kWi

COP

 

 

 

20

CAUC-C20

69.4

19.8

3.5

66.2

21.7

3.0

62.5

23.8

2.6

58.7

26.2

2.2

 

 

 

20

CAUC-C25

70.7

18.9

3.7

67.3

20.7

3.2

63.8

22.9

2.8

60.3

25.1

2.4

 

 

 

25

CAUC-C25

86.2

25.3

3.4

82.1

27.8

2.9

77.8

30.5

2.5

73.1

33.5

2.2

 

 

 

25

CAUC-C30

87.8

23.8

3.7

84.0

26.2

3.2

79.7

28.8

2.8

75.2

31.7

2.4

 

 

6

30

CAUC-C30

103.0

29.6

3.5

98.2

32.4

3.0

93.1

35.6

2.6

87.9

39.1

2.2

 

 

 

30

CAUC-C40

104.7

27.4

3.8

100.3

30.1

3.3

95.3

33.1

2.9

90.2

36.4

2.5

 

 

 

40

CAUC-C40

138.4

39.5

3.5

131.9

43.3

3.0

124.8

47.6

2.6

117.5

52.4

2.2

 

 

 

40

CAUC-C50

140.0

38.1

3.7

133.6

41.9

3.2

126.8

46.0

2.7

119.5

50.7

2.3

 

 

 

50

CAUC-C50

170.2

51.0

3.3

162.3

56.0

2.9

153.8

61.5

2.5

144.8

67.5

2.1

 

 

 

50

CAUC-C60

173.5

47.8

3.6

165.7

52.5

3.1

157.6

57.9

2.7

149.0

63.7

2.3

 

 

 

60

CAUC-C60

203.5

59.2

3.4

194.1

65.2

3.0

184.2

71.6

2.6

173.6

78.7

2.2

 

 

 

60

CAUC-C80

206.0

54.5

3.8

197.0

59.9

3.3

187.6

66.1

2.8

177.5

72.7

2.4

 

 

 

20

CAUC-C20

73.5

20.2

3.6

70.0

22.1

3.1

66.2

24.3

2.7

62.3

26.7

2.3

 

 

 

20

CAUC-C25

74.8

19.2

3.9

71.5

21.1

3.4

67.7

23.3

2.9

63.9

25.5

2.5

 

 

 

25

CAUC-C25

91.3

25.8

3.5

86.8

28.3

3.1

82.4

31.0

2.6

77.6

34.1

2.3

 

 

 

25

CAUC-C30

93.3

24.3

3.8

89.1

26.6

3.3

84.6

29.3

2.9

79.9

32.1

2.5

 

 

8

30

CAUC-C30

109.1

30.2

3.6

104.0

33.0

3.1

98.9

36.2

2.7

93.2

39.8

2.3

 

 

 

30

CAUC-C40

111.1

27.8

4.0

106.3

30.5

3.5

101.4

33.6

3.0

96.1

36.9

2.6

 

 

 

40

CAUC-C40

146.1

39.5

3.7

139.3

44.0

3.1

132.2

48.5

2.7

124.6

53.2

2.3

 

 

 

40

CAUC-C50

148.0

38.6

3.8

141.3

42.4

3.3

134.3

46.7

2.9

126.9

51.4

2.5

 

 

 

50

CAUC-C50

179.9

52.0

3.4

171.5

56.9

3.0

162.8

62.5

2.6

153.3

68.7

2.2

 

 

 

50

CAUC-C60

183.7

48.5

3.8

175.6

53.4

3.3

167.0

58.7

2.8

158.0

64.6

2.4

 

 

 

 

 

 

60

CAUC-C60

215.1

60.4

3.5

205.4

66.3

3.1

195.1

72.8

2.7

184.3

80.0

2.3

 

 

 

60

CAUC-C80

217.9

55.3

3.9

208.6

61.0

3.4

198.6

67.0

3.0

188.4

73.8

2.5

 

 

 

 

 

 

20

CAUC-C20

77.4

20.6

3.7

73.8

22.6

3.3

70.0

24.7

2.8

65.9

27.1

2.4

 

 

 

20

CAUC-C25

78.9

19.6

4.0

75.4

21.5

3.5

71.9

23.6

3.0

67.8

25.9

2.6

 

 

 

25

CAUC-C25

96.4

26.2

3.7

92.0

28.8

3.2

87.2

31.6

2.7

82.4

34.6

2.4

 

 

 

25

CAUC-C30

98.7

24.6

4.0

94.2

27.0

3.5

89.7

29.7

3.0

84.7

32.5

2.6

 

 

10

30

CAUC-C30

115.2

30.7

3.7

110.1

33.7

3.3

104.6

36.9

2.8

98.9

40.4

2.4

 

 

 

30

CAUC-C40

117.5

28.3

4.1

112.7

31.0

3.6

107.3

34.0

3.1

101.8

37.4

2.7

 

 

 

40

CAUC-C40

154.0

40.9

3.7

147.0

44.9

3.3

139.6

49.2

2.8

131.7

54.1

2.4

 

 

 

40

CAUC-C50

156.0

39.3

3.9

149.3

43.1

3.4

142.0

47.4

3.0

134.0

52.1

2.6

 

 

 

50

CAUC-C50

189.7

52.9

3.6

181.1

57.9

3.1

171.8

63.5

2.7

162.3

69.8

2.3

 

 

 

50

CAUC-C60

193.9

49.3

3.9

185.6

54.1

3.4

176.6

59.6

3.0

167.1

65.4

2.5

 

 

 

60

CAUC-C60

227.2

61.6

3.7

216.9

67.6

3.2

206.4

74.1

2.8

195.0

81.4

2.4

 

 

 

60

CAUC-C80

230.4

56.1

4.1

220.8

61.6

3.6

210.2

67.9

3.1

199.4

74.7

2.7

Notes:

1.Ratings based on sea level altitude and evaporator fouling factor of 0.0176.

2.Consult Trane representative for performance at temperatures outside of the ranges shown.

3.kWi input is for compressors only.

4.COP = Coefficient of Performance (kWo/total kW). Total kW include compressors and control power.

5.Ratings are based on an evaporator temperature drop of 5.6°C.

6.Interpolation between points is permissible. Extrapolation is not permitted.

7.Rated in accordance with ARI Standard 550/590-98.

22

CG-PRC012-EN

Performance

Part Load

Data

Performance

 

 

 

 

Table PD-5. Part-load performance for CGWF 20-60 ton – 60 Hz in English units

Unit Size

 

100%

IPLV

 

Tons

19.9

 

20

kW

15.2

20.3

 

EER

15.5

 

 

Tons

24.5

 

25

kW

19.0

20.5

 

EER

15.4

 

 

Tons

29.2

 

30

kW

22.8

20.3

 

EER

15.3

 

 

Tons

39.4

 

40

kW

30.1

20.7

 

EER

15.6

 

 

Tons

48.6

 

50

kW

37.6

19.6

 

EER

15.4

 

 

Tons

59.4

 

60

kW

46.5

19.8

 

EER

15.2

 

Notes:

1.IPLV values are rated in accordance with ARI Standard 550/590-98.

2.EER and IPLV values include compressor and control kW.

3.kW input is for compressors only.

Table PD-6. Part-load performance for CGWF 20-60 ton – 50 Hz in English units

Unit Size

 

100%

IPLV

 

Tons

16.7

 

20

kW

12.4

21.0

 

EER

16.1

 

 

Tons

20.6

 

25

kW

15.5

20.9

 

EER

16.0

 

 

Tons

24.5

 

30

kW

18.5

20.7

 

EER

15.9

 

 

Tons

33.0

 

40

kW

24.5

21.3

 

EER

16.2

 

 

Tons

40.8

 

50

kW

30.6

20.3

 

EER

16.0

 

 

Tons

50.1

 

60

kW

37.6

20.4

 

EER

16.0

 

Notes:

1.IPLV values are rated in accordance with ARI Standard 550/590-98.

2.EER and IPLV values include compressor and control kW.

3.kW input is for compressors only.

CG-PRC012-EN

23

Performance

Adjustment

Data

Factors

 

 

 

 

Figure PAF-1. Ethylene glycol performance adjustment factors

Figure PAF-2. Propylene glycol performance adjustment factors

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CG-PRC012-EN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Performance

Adjustment

Data

Factors

 

 

 

 

Figure PAF-3. Ethylene glycol and propylene glycol solution freezing points

Table PAF-1. Pressure drop correction factor

Leaving

 

 

 

 

 

 

Water

 

 

Percent of Ethylene Glycol

 

 

Temperature

0

10

20

30

40

50

0

NA

NA

NA

NA

1.50

1.60

10

NA

NA

NA

1.38

1.46

1.55

20

NA

NA

1.26

1.34

1.42

1.51

30

NA

1.15

1.22

1.30

1.38

1.47

40

1.00

1.12

1.19

1.26

1.34

1.42

50

1.00

1.09

1.16

1.23

1.31

1.39

60

1.00

1.05

1.09

1.12

1.16

1.21

Table PAF-2. Pressure drop correction factor

Leaving

 

 

 

 

 

 

Water

 

 

Percent of Propylene Glycol

 

 

Temperature

0

10

20

30

40

50

0

NA

NA

NA

NA

1.63

1.90

10

NA

NA

NA

1.42

1.55

1.74

20

NA

NA

1.24

1.34

1.46

1.62

30

NA

1.11

1.19

1.28

1.39

1.53

40

1.00

1.07

1.15

1.23

1.33

1.45

50

1.00

1.04

1.11

1.19

1.28

1.39

60

1.00

1.00

1.03

1.08

1.13

1.20

CG-PRC012-EN

25

Performance

Pressure Drops

Data

Chart PD-1. CGWF evaporator

Chart PD-2. CGWF condenser

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CG-PRC012-EN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical Data

and Connections

Table E-1. Electrical data for CGWF water-cooled chillers

Unit

 

Unit Wiring Data

 

 

Compressor

 

Controls

Rated

Minimum

Maximum

Recommended

 

RLA

LRA

 

Size

Voltage

Circuit Ampacity

Fuse Size

Dual Element Fuse Size

Quantity

Each

Each

kW

 

208-230/60

77

110

100

 

34

251

0.16

 

380/60

38

50

50

2-10

17

142

0.16

20

460/60

32

45

40

 

14

117

0.16

 

575/60

27

40

40

 

12

94

0.16

 

400/50

32

50

50

 

14

110

0.16

 

208-230/60

99

150

125

 

52/34

376/251

0.16

 

380/60

51

70

70

1-10

27/17

215/142

0.16

25

460/60

43

60

60

1-15

23/14

178/117

0.16

 

575/60

35

50

45

 

18/12

143/94

0.16

 

400/50

42

50

45

 

22/14

174/110

0.16

 

208-230/60

117

150

150

 

52

376

0.16

 

380/60

61

80

80

2-15

27

215

0.16

30

460/60

52

70

70

 

23

178

0.16

 

575/60

41

50

50

 

18

143

0.16

 

400/50

50

80

80

 

22

174

0.16

 

208-230/60

145

175

175

 

34

251

0.24

 

380/60

72

80

90

4-10

17

142

0.24

40

460/60

60

70

70

 

14

117

0.24

 

575/60

51

60

70

 

12

94

0.24

 

400/50

60

90

90

 

14

110

0.24

 

208-230/60

185

225

225

 

52/34

376/251

0.24

 

380/60

95

110

110

2-10

27/17

215/142

0.24

50

460/60

80

100

100

2-15

23/14

178/117

0.24

 

575/60

65

80

80

 

18/12

143/94

0.24

 

400/50

78

110

125

 

22/14

174/110

0.24

 

208-230/60

221

250

250

 

52

376

0.24

 

380/60

115

125

150

4-15

27

215

0.24

60

460/60

98

110

110

 

23

178

0.24

 

575/60

77

90

90

 

18

143

0.24

 

400/50

94

125

150

 

22

174

0.24

Table E-2. Electrical data for high temperature condenser CGWF chillers and CCAF compressor chillers

Unit

 

Unit Wiring Data

 

 

Compressor

 

Controls

 

 

Rated

Minimum

Maximum

Recommended

 

RLA

LRA

 

 

 

Size

Voltage

Circuit Ampacity

Fuse Size

Dual Element Fuse Size

Quantity

Each

Each

kW

 

 

 

208-230/60

88

125

110

 

39

251

0.16

 

 

20

380/60

45

60

60

2-10

20

142

0.16

 

 

 

460/60

38

50

50

 

17

117

0.16

 

 

 

575/60

32

45

40

 

14

94

0.16

 

 

 

400/50

38

50

50

 

17

117

0.16

 

 

 

208-230/60

112

150

150

 

58/39

376/251

0.16

 

 

25

380/60

59

80

80

1-10

31/20

215/142

0.16

 

 

 

460/60

50

70

70

1-15

26/17

178/117

0.16

 

 

 

575/60

40

60

60

 

21/14

143/94

0.16

 

 

 

400/50

48

70

70

 

25/17

178/117

0.16

 

 

 

208-230/60

131

175

175

 

58

376

0.16

 

 

30

380/60

70

100

90

2-15

31

215

0.16

 

 

 

460/60

59

80

80

 

26

178

0.16

 

 

 

575/60

47

60

60

 

21

143

0.16

 

 

 

400/50

56

80

80

 

25

178

0.16

 

 

 

208-230/60

166

200

200

 

39

251

0.24

 

 

40

380/60

85

100

100

4-10

20

142

0.24

 

 

 

460/60

72

80

90

 

17

117

0.24

 

 

 

575/60

60

70

70

 

14

94

0.24

 

 

 

400/50

72

80

90

 

17

117

0.24

 

 

 

208-230/60

209

250

250

 

58/39

376/251

0.24

 

 

50

380/60

110

125

150

2-10

31/20

215/142

0.24

 

 

 

460/60

93

110

110

2-15

26/17

178/117

0.24

 

 

 

575/60

75

90

90

 

21/14

143/94

0.24

 

 

 

400/50

90

110

110

 

25/17

178/117

0.24

 

 

 

208-230/60

247

300

300

 

58

376

0.24

 

 

60

380/60

132

150

150

4-15

31

215

0.24

 

 

 

460/60

111

125

125

 

26

178

0.24

 

 

 

575/60

89

110

100

 

21

143

0.24

 

 

 

400/50

106

125

125

 

25

178

0.24

 

 

Notes:

1.Minimum circuit ampacity is 125% of the largest compressor RLA, plus 100% of the remaining compressor(s) RLA, per NEC 440-32 and NEC 440-33.

2.Maximum fuse size is 225% of the largest compressor RLA, plus 100% of the remaining compressor(s) RLA, per NEC 440-33.

3.Recommended dual element fuse size is 175% of the largest compressor RLA, plus 100% of remaining compressor(s) RLA, per NEC 440-33.

4.Use copper conductors only.

5. Voltage Utilization Range: Rated Voltage

Utilization Range

208-230/60

188-253

380/60

342-418

460/60

414-506

575/60

517-633

400/50

360-440

6.Local codes may take precedence.

7.If unit is ordered with the High Condenser Entering Water Temperature Range (90-130), use CCAF electrical information.

CG-PRC012-EN

27

 

 

Electrical Data

Typical Wiring

 

 

and Connections

Diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

CG-PRC012-EN

 

Electrical Data

 

 

Typical Wiring

 

 

 

and Connections

 

 

Diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CG-PRC012-EN

29

Electrical Data

and Connections Field Layout

 

 

 

30

CG-PRC012-EN

Electrical Data

and Connections Field Layout

CG-PRC012-EN

31

 

 

Dimensional

CGWF 20-30 Ton

Data

Size

A

B

C

D

E

F

G

H

20 Ton

2"

8 1/2"

4'-8"

1'-3 3/8"

4 1/8"

8 5/8"

5 5/8"

2' 7 3/8"

 

 

(51)

(216)

(1423)

(391)

(105)

(218)

(143)

(797)

 

25 Ton

2"

8 1/2"

4'-8"

1'-3 3/8"

4 1/8"

8 5/8"

5 5/8"

2' 7 3/8"

 

 

(51)

(216)

(1423)

(391)

(105)

(218)

(143)

(797)

 

30 Ton

2 1/2"

7 3/4"

4'-6 1/2"

1'-5 3/8"

2 1/4"

12"

8"

2' 8 3/16"

 

 

(64)

(197)

(1384)

(441)

(57)

(305)

(203)

(818)

Notes:

1.Dimensions in ( ) are in millimeters.

2.Dimensional tolerance ± 1/4” (6.4).

3.These dimensions for left hand condenser connections.

32

CG-PRC012-EN

Dimensional

CGWF 40-50 Ton

Data

Size

A

B

C

D

E

40 Ton

2 1/2"

1'-3 3/4"

6'-5 1/2"

1'-4 1/4"

4 3/8"

 

(64)

(400)

(1968)

(413)

(111)

50 Ton

3"

1'-3 1/2"

6'-5"

1'-6 1/8"

2 1/2"

 

(76)

(394)

(1956)

(480)

(64)

Notes:

1.Dimensions in ( ) are in millimeters.

2.Dimensional tolerance ± 1/4” (6.4).

3.These dimensions for left hand condenser connections.

CG-PRC012-EN

33

Dimensional

 

Data

CGWF 60 Ton

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CG-PRC012-EN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dimensional

 

Data

CCAF 20-30 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