Related Manuals for Trane CGWF
Summary of Contents for Trane CGWF
- Page 1 Installation Operation Maintenance Scroll Liquid Chillers Models CGWF/CCAF 20-60 Tons January 2004 CGWF-SVX01A-EN © 2003 American Standard Inc. All rights reserved.
- Page 2 CFCs such as HCFCs and HFCs. Responsible Refrigerant Practices! Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified. The Federal Clean...
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Page 3: Table Of Contents
Foundation......................17 Ventilation......................17 Drainage ......................17 Rigging ....................... 17 Lifting Procedure for 20-50 Ton CGWF 20-60 and Ton CCAF Units....18 Lifting Procedure for 60 Ton Units ..............20 Alternate Moving Methods................. 21 Access Restrictions .................... 21 Recommended Clearances ................22 Unit Isolation ...................... - Page 4 DynaView Interface .................... 58 Key Functions ..................... 58 Radio Buttons ..................... 58 Spin Value Buttons ..................... 58 Action Buttons ....................59 File Folder Tabs ....................59 Display Screens ....................59 Basic Screen Format ..................59 Keypad/Display Lockout Feature ................ 60 CGWF-SVX01A-EN...
- Page 5 Mechanical Cleaning ..................84 Chemical Cleaning ....................84 Cleaning the Evaporator (Chiller) ................ 84 Water Treatment ....................85 Wiring Schematics ................... 89 Schematics Page 1&2 ..................90 Component Location ................... 94 Field Wiring Diagram ................... 95 Field Layout Diagram................... 96 CGWF-SVX01A-EN...
- Page 6 Table of Contents CGWF-SVX01A-EN...
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Page 7: General Information
A typical unit nameplate is shown in Figure 1. Figure 1 Unit Nameplate Nameplates Unit Nameplates The CGWF/CCAF unit nameplate is mounted on the control panel door. The Unit nameplate provides the following information: • Unit model number. •... -
Page 8: Condenser Nameplate
Request an immediate joint inspection of the damage by the carrier and the con- signee. • Notify a Trane sales representative and arrange for repair. Do not repair the unit until damage is inspected by the carrier’s representative. Loose Parts Inventory Check all items against shipping list. - Page 9 Standard cooling 40-60F[4.4-15.6C] LOWA Ice making 26-39F[-3.3-3.9C] LOWB Low temp 10-25F[-12.2-(-3.9)C] Standard cooling/Ice making 20-60F[-6.7-15.6C] PCON Power line connection type Terminal block DISC Non-fused disconnect switch EPRO Short circuit rating NONE No short circuit rating With short circuit rating CGWF-SVX01A-EN...
- Page 10 Filter-driers NONE No ship-with accessories NIS0 Neoprene isolators WRVA 1.5" 2-way water reg valve x 1 (CGWF only) WRVB 2" 2-way water reg valve x 1 (CGWF only) WRVC 2.5" 2-way water reg valve x 1 (CGWF only) WRVD 1.5" 2-way water reg valve x 2 (CGWF only) WRVE 2"...
- Page 11 Valve Water Condenser Outlet Water Inlet Figure 2 Component Location DWG Discharge Compressor Line Nameplate Suction Line Evaporator Evaporator Water Inlet Water Outlet Sight Discharge Filter Glass Service Valve Dryer Liquid Line Solenoid Vale Figure 3 Component Location DWG CGWF-SVX01A-EN...
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Page 12: Installation Overview
General Information Installation Overview For convenience, Table 2 summarizes responsibilities that are typically associated with the CGWF/CCAF chiller installation process. CGWF/CCAF Table 2 Installation Responsibility Chart for Units Requirement Trane-supplied, Trane-supplied, Field-supplied, Trane-installed Field-installed Field-installed Rigging Safety chains Clevis connectors - Lifting beam... - Page 13 • Supply and install condenser water control valve(s) per Trane RLC-EB-4. • Supply and install flow switches or equivalent devices in both the chilled water and condenser water piping.
- Page 14 General Information Table 3 General Data CGWF CGWF Unit Tonnage General Refrigerant Type R-22 R-22 R-22 R-22 R-22 R-22 Refrigerant Charge lb (kg) 50 (23) 50 (23) 90 (41) 50/50 (23/23) 50/50 (23/23) 75/75 (34/34) Oil Type Oil 31 Oil 31...
- Page 15 24 (1.5) 30 (1.9) 36 (2.3) 48 (3.0) 60 (3.8) 84 (5.3) Maximum Flow gpm (l/s) 72 (4.5) 90 (5.7) 108 (6.8) 144 (9.1) 180 (11.4) 252 (15.9) All weights ±3% Operating weights include refrigerant, oil, and water charges. CGWF-SVX01A-EN...
- Page 16 General Information CGWF-SVX01A-EN...
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Page 17: Installation Mechanical
Table 3 and Table 4. Once in place, the chiller should be level within 1/4” (6.3 mm) over the length and width. The Trane Company is not responsible for equipment problems resulting from an improperly designed or constructed foundation or for improper installation. -
Page 18: Lifting Procedure For 20-50 Ton Cgwf 20-60 And Ton Ccaf Units
Lifting Procedure for 20-50 Ton CGWF 20-60 and Ton CCAF Units. Remove the two sheet lifting angles from the skid. 2. Remove the unit from the shipping skid. If absolutely necessary, the chiller can be pushed or pulled across a smooth surface as long as it is bolted to the shipping skid. - Page 19 Do not Forklift Unit. All units are heavier on the control panel side. Use Table 5 to adjust rigging accordingly. Minimum beam length 4 ft. Figure 4 Typical Rigging Setup For CGWF 20-50 Ton and 20-60 Ton CCAF Units. CGWF-SVX01A-EN...
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Page 20: Lifting Procedure For 60 Ton Units
Figure 5. Lifting beam crossbars must be positioned so lifting cables do not contact the side of the unit. CAUTION Unit Damage! To prevent unit damage, position lifting beam crossbars so that cables do not contact the unit. CGWF-SVX01A-EN... -
Page 21: Alternate Moving Methods
Jacks should be positioned to lift under the lifting angles installed on the unit by the contractor. Access Restrictions All CGWF/ CCAF units will pass through a standard 36-inch doorway. Typical dimensions are shown in Figure 7 - Figure 11. CGWF-SVX01A-EN... -
Page 22: Recommended Clearances
Mount the unit on the isolators and install a 1/2-inch (13 mm) nut on each isolator positioning pin. Maximum isolator deflection should be 1/4-inch. Level the unit carefully. Refer to “Unit Leveling” . Now fully tighten isolator mounting bolts. Neoprene Isolator Data CGWF/CCAF Control Panel End Figure 6... -
Page 23: Unit Leveling
Unit should be level within 1/4-inch (6.35 mm) over the length. Place the level on the unit frame and check front to back level. Adjust to within1/4-inch (6.35 m) of level front-to-back. Use shims to level the unit. CGWF-SVX01A-EN... - Page 24 Installation Mechanical Figure 7 CGWF 20, 25, 30 Ton Unit Dimensions, Recommended Clearances, Mounting Locations, Electrical, Water Connection Size and Locations CGWF-SVX01A-EN...
- Page 25 Installation Mechanical Figure 8 CGWF 40 and 50 Ton Unit Dimensions, Recommended Clearances, Mounting Locations, Electrical, Water Connection Size and Locations CGWF-SVX01A-EN...
- Page 26 Installation Mechanical Figure 9 CGWF 60 Ton Unit Dimensions, Recommended Clearances, Mounting Locations, Electrical, Water Connection Size and Locations CGWF-SVX01A-EN...
- Page 27 1. Dimensional tolerances ± 1/4" (3mm). 2. Tube installation at either end of evaporator. 3. Dimensions in ( ) are millimeters. Figure 10 CCAF 20, 25 and 30 Ton Unit Dimensions, Recommended Clearances, Mounting Locations, Electrical, Water Connection Size and Locations CGWF-SVX01A-EN...
- Page 28 1. Dimensional tolerances ± 1/4" (3mm). 2. Tube installation at either end of evaporator. 3. Dimensions in ( ) are millimeters. Figure 11 CCAF 40, 50 and 60 Ton Unit Dimensions, Recommended Clearances, Mounting Locations, Electrical, Water Connection Size and Locations CGWF-SVX01A-EN...
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Page 29: Unit Piping
Note: Evaporator pressure drop is an approximation and is to be used as a tool to estimate flow rate and as an aid to waterside system piping design. If an accurate measurement of flow rate is required, an accurate flow meter must be installed in the system. CGWF-SVX01A-EN... - Page 30 Installation Mechanical Chart PD 1 CGWE Evaporator Figure 12 Evaporator Pressure Drop CGWF-SVX01A-EN...
- Page 31 Installation Mechanical Figure 13 Condenser Pressure Drop CGWF-SVX01A-EN...
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Page 32: Evaporator Water Piping
Internal NPTF water inlet and outlet connections are used on all 20 through 50 ton CGWF and 20-60 ton CCAF units. 60 ton CGWF use grooved pipe connectors for water inlet and outlet. Evaporator water inlet and outlet types, sizes and locations are shown in Figure 14. -
Page 33: Evaporator Drain
Use Pipe Strainers! To prevent evaporator or condenser damage, pipe strainers must be installed in the water supplies to protect components from water born debris. The Trane Company is not responsible for equipment-only- damage caused by water born debris. Condenser Water Piping Condenser Water Connections. -
Page 34: Condenser Drains
When the unit is shipped, the condenser drain plugs are located in the control panel along with the evaporator drain plug. The condenser drains can be piped to drain facilities, if desired. If they are not, install the drain plugs in the condenser drain connections on the condenser. CGWF-SVX01A-EN... -
Page 35: Water Regulating Valve
Install the valve on the condenser leaving water line (Figure 15). Dual circulated units (40, 50, and 60-ton) require dual regulating valves installed in parallel in the leaving water line (Figure 15). CGWF-SVX01A-EN... - Page 36 Loosen the flare cap slowly to relieve residual pressure and connect the water regulating valve capillary tubing. Adjust the regulating valve for proper operation during unit start-up Figure 16 Typical Water Regulating Valve Installation CGWF-SVX01A-EN...
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Page 37: Water Pressure Relief Valves
It is recommended that the services of a qualified water treatment specialist be engaged to determine what water treatment, if any, is required. Trane assume no responsibility for equipment failures which result from untreated or improperly treated water, or saline or brackish water. -
Page 38: Pressure Relief Valve Venting
-36.1 Pressure Relief Valve Venting All CGWF units utilize two refrigerant-pressure relief valves for each circuit (one high side and one low side) which must be vented to the outdoor atmosphere. The high side relief valves are located at the left end of each condenser at the top (facing the control panel). - Page 39 Some gases may be flammable and or explosive. Evacuate the area immediately and contact the proper rescue or response authority. Failure to take appropriate precautions or to react properly to a potential hazard could result in death or serious injury. CGWF-SVX01A-EN...
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Page 40: Refrigerant Piping (Ccaf Only)
Install a liquid line service valve in the liquid line to isolate the drier for service. Liquid Line Sizing Trane recommends sizing the liquid line diameter as small as possible while maintaining acceptable pressure drop. This will minimize the required refrigerant charge and increase compressor life. - Page 41 Installation Mechanical Figure 17 Refrigerant piping Configuration of Typical Dual-Circuit CCAF Unit CGWF-SVX01A-EN...
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Page 42: Leak Test
If system pressure equalize before the full charge enters the system, close the charging port and proceed to “Start-up Procedure” . Once the unit is operating, add the remainder of the required charge to the system. CGWF-SVX01A-EN... -
Page 43: Installation Electrical
General Recommendations The wiring procedures described in this portion of the manual must be accomplished to obtain proper operation of the basic CGWF/CCAF unit. Electrical wiring instructions for all optional features and equipment are described In the “Optional Electrical Wiring” sections of this manual. - Page 44 208/230 Volt 250 Amp (1) #12-2/0 50-60 Ton 208/230 Volt 250 Amp (1) #6-350 MCM Control Wire Selection For 30 Volt or Less Circuits Wire Size Maximum Length 14 AWG 5000 ft 16 AWG 2000 ft 18 AWG 1000 ft CGWF-SVX01A-EN...
- Page 45 Installation Electrical Table 10 Electrical Data CGWF Standard Condensing Temperature Units Unit Size Unit Wiring Data Compressor Motor Data Rated Minimum Max Fuse Size Recommended Qty - Size Voltage Circuit Ampac- Duel Element Fuse Size 208/230 2 -10 400/50 208/230...
- Page 46 Installation Electrical Table 11 Electrical Data CCAF and CGWF High Condensing Temperature (90-130 F) Units Unit Size Unit Wiring Data Compressor Motor Data Rated Minimum Max Fuse Recommended Qty - Size Voltage Circuit Size Duel Element Ampacity Fuse Size 208/230...
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Page 47: Scroll Compressor Electrical Phasing
ABC. 6. If the “CBA” indicator glows instead, open the unit main power disconnect and switch two line leads on 1TB1 (1S1). Reclose the main power disconnect and recheck phasing. Reopen the unit disconnect and disconnect the phase indicator. CGWF-SVX01A-EN... -
Page 48: Unit Voltage
Control Power Supply A panel-mounted control power transformer is standard on all units. Modules Connections for Interconnecting Wiring The wiring procedures described in this portion of the manual must be completed panel mounted LLIDs. Refer to Filed Wiring on page 95. CGWF-SVX01A-EN... -
Page 49: Chilled Water Flow Switch
The output is true whenever the chiller has reached maximum capacity continuously for the debounce time. The output is false when the chiller does not have all its available compres- sors running continuously for the debounce time. See the Maximum Capacity specification for more information. CGWF-SVX01A-EN... -
Page 50: External Auto/Stop
CWS'. When the chiller is not running the CWS shall be fully reset immediately (within one minute). The chiller will then start at the Differential to Start value above a fully reset CWS or CWS' for Outdoor, Return, and Constant Return Reset. CGWF-SVX01A-EN... -
Page 51: External Chilled Water Setpoint Option
This option allows the Tracer CH530 controller to exchange information (e.g. operating setpoints and Auto/Standby commands) with a higher-level control device, such as a Tracer Summit or a multiple-machine controller. A shielded, twisted pair connection establishes the bi-directional communications link between the Tracer CH530 and the building automation system. CGWF-SVX01A-EN... -
Page 52: Lontalk Communications Interface For Chillers (Lci-C) Option
LCI-C link limits: 4500 feet, 60 devices • Termination resistors are required – 105 ohms at each end for Level 4 wire – 82 ohms at each end for Trane "purple" wire • LCI-C topology should be daisy chain •... - Page 53 Condenser Refrigerant Temperature Per Circuit Current Per Line Compressor Starts Compressor Run Time Note 1: Alarm Description denotes alarm severity and description of event Severity: no alarm, warning, normal shutdown, immediate shutdown Note 2: Regenerating, Refrigeration Circuit On, Pumping Out CGWF-SVX01A-EN...
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Page 54: Ccaf - Fan Control
When two fans are needed the first relay will be de-energized at the same time the second relay will be energized. Energizing both relays turns on 3 fans. There is a 5 second delay between turning the fans on and starting the first compressor. CGWF-SVX01A-EN... -
Page 55: Operating System
Operating System Components of a typical CGWF unit are identified in Figure 20 and Figure 21. CCAF units are basically the same only with a remote Condenser. 20-30 Ton System Diagram Condenser Condenser Leaving Water Entering Water Temperature Temperature Condenser... - Page 56 Solenoid Valve Sight Glass Circuit 1 Sight Glass Suction Pressure Circuit 1 Circuit 2 Sensor Circuit 2 Evaporator Evaporator Suction Leaving Water Entering Water Pressure Temperature Temperature Sensor Evaporator Evaporator Leaving Entering Water Water Evaporator Figure 21 40-60 Ton CGWF CGWF-SVX01A-EN...
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Page 57: Controls Interface
Controls Interface CH530 Communications Overview The Trane CH530 control system that runs the chiller consists of several elements: • The main processor collects data, status, and diagnostic information and commu- nicates commands to the starter module and the LLID (for Low Level Intelligent Device) bus. -
Page 58: Dynaview Interface
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 increment (+) or decrement (-) arrows. CGWF-SVX01A-EN... -
Page 59: Action Buttons
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. CGWF-SVX01A-EN... -
Page 60: Keypad/Display Lockout Feature
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. CGWF-SVX01A-EN... -
Page 61: Main Screens
Active Chilled Water Setpoint (>>source) Temperature Average Line Current % RLA Active Demand Limit Setpoint Active Current Limit Setpoint (>>source) % RLA Active Ice Termination Setpoint (>>source) Temperature Outdoor Air Temperature Temperature Software Type Text CGW/CCA Software Version X.XX CGWF-SVX01A-EN... - Page 62 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. CGWF-SVX01A-EN...
- Page 63 The circuit is being inhibited from starting due to high condenser pressure. 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 No Circuit Sub-Modes Top Level Mode Description CGWF-SVX01A-EN...
- Page 64 A specific compressor is running where X is A or B. Restart Time Inhibit Cprsr X: MIN:SEC If there is accumulated Restart Inhibit Time, it must expire before the compressor is allowed to start. X is denoted as compressor A or B. CGWF-SVX01A-EN...
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Page 65: Reports Screen
XXXX Compressor Running Time: hr:min XXXX:XX ASHRAE Chiller Log Current Time/Date Date / Time XX:XX mmm dd, yyyy Operating Mode Text Active Chilled Water Setpoint Temperature XXX.X Evap Entering Water Temp Temperature XXX.X Evap Leaving Water Temp Temperature XXX.X CGWF-SVX01A-EN... - Page 66 XXX.X Cond Sat Rfgt Temp Temperature XXX.X Discharge Pressure Pressure Cond Approach Temp Temperature XXX.X Compressor A Starts Integer XXXX Compressor A Running Time Hours:Minute XX:XX Compressor B Starts Integer XXXX Compressor B Running Time Hours:Minute XX:XX Historic Diagnostics CGWF-SVX01A-EN...
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Page 67: Settings Screen
Outdoor Start Reset Temperature XXX.X Outdoor Maximum Reset Temperature XXX.X Ext Chilled Water Setpoint Text (Enable, Disable), Disable Ice Building Text (Enable, Disable), Disable Hot Gas Bypass Text (Enable, Disable), Disable Operational Pumpdown Text (Enable, Disable), Disable ICS Address Text CGWF-SVX01A-EN... - Page 68 "mmm dd, yyy Date Text Time Format Text (12-hour, 24-hour), 12-hour Time of Day Text Keypad/Display Lockout Text (Enable, Disable), Disable (3) Display Units Text (SI, English), English Text Pressure Units (Absolute, Gauge), Gauge Language Text (English, Spanish), English CGWF-SVX01A-EN...
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Page 69: Diagnostics Screen
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. -
Page 70: Software Download
Service overrides Software Download Instructions for First Time TechView Users This information can also be found at http://www.trane.com/commercial/software/ tracerch530/. Create a folder called “CH530” on your C:\ drive. You will select and use this folder in subsequent steps so that downloaded files are easy to locate. - Page 71 11. Connect your PC to the CH530 main processor using a standard 9-pin male/9-pin female RS-232 cable. 12. Run the TechView software by selecting the TechView icon placed on your desk- top during the installation process. The “Help...About” menu can be viewed to confirm proper installation of latest versions. CGWF-SVX01A-EN...
- Page 72 Controls Interface CGWF-SVX01A-EN...
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Page 73: Diagnostics
Condenser water flow was not proven within 20 minutes of the Remote Overdue condenser water pump relay being energized. The condenser water pump shall not be commanded on by this diagnostic. Diagnostic is reset with return of condenser water flow (although only possible with external control of pump) CGWF-SVX01A-EN... - Page 74 Service Pumpdown or Operational Pumpdown. Low Suction Refrigerant Immediate NonLatch The pressure status, described in the Low Suction Refrigerant Local Pressure Pressure Protection specification, was opened. This diagnostic will clear when the status goes closed. CGWF-SVX01A-EN...
- Page 75 Anytime the condition is present energize the liquid line solenoid valves, continue to energize the Evaporator Pump and Condenser Pump if CGWF or if CCAF energize the Condenser Fans according to the fan staging algorithm. Starter Module Memory Error...
- Page 76 Continual loss of communication between the MP and the Functional Remote ID has occurred for a 35-40 second period. Comm Loss: Op Status Warning Latch Continual loss of communication between the MP and the Functional Remote Programmable Relays ID has occurred for a 35-40 second period. CGWF-SVX01A-EN...
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Page 77: Unit Start-Up
It is recommended that the services of a qualified water treatment specialist be engaged to determine what water treatment, if any, is required. The Trane Company assume no responsibility for equipment failures which result from untreated or improperly treated water, or saline or brackish water. - Page 78 Unit Piping Flush all unit water piping before making final connections to unit. Connect water piping to the evaporator and condenser (CGWF only). Install pressure gauges and shutoff valves on the water inlet and outlet to the evap. and cond.
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Page 79: Unit Power Up
Once the unit has been operating for about 10 minutes and the system has stabilized, check operating conditions and complete the checkout procedures that follow. • Recheck evaporator water and condenser (CGWF) water flows and pressure drops. These readings should be stable at proper levels. •... -
Page 80: System Superheat
Normal subcooling for each circuit is 10 to 15 F at full load. If subcooling for either cir- cuit is not in this range check superheat for the circuit and adjust, if required. If super- heat is normal but subcooling is not, contact a qualified service technician. CGWF-SVX01A-EN... -
Page 81: Unit Shutdown
2. Test condenser and high side piping for refrigerant leakage. 3. Open electrical disconnect switches for evaporator water pump. Lock the discon- nect in open position. 4. Open the unit main electrical disconnect and unit-mounted disconnect 1S1 (if used) and lock in open position. CGWF-SVX01A-EN... -
Page 82: System Restart After Extended Shutdown
With water pump(s) running, adjust chilled water flow and check water pressure drop through the evaporator. 8. Check the flow switch on the evaporator outlet piping for proper operation. 9. Stop the water pump(s). 10. Proceed to "Start-Up Procedure". CGWF-SVX01A-EN... -
Page 83: Unit Maintenance
If chiller is not piped to drain facilities, make sure drain is clear to carry away sys- tem water. • Drain water from condenser (CGWF) and evaporator and associated piping sys- tems. Inspect all piping components for leakage, damage, etc. Clean out any in- line water strainers. -
Page 84: Maintenance Procedures
Be certain that electrical power to the unit is disconnected before performing these procedures. Cleaning the Condenser (CGWF Units Only) Water available for condensing frequently contains minerals or other contaminants that collect on the inside of the condenser tubes as carbonate scale. -
Page 85: Water Treatment
It is recommended that the ser- vices of a qualified water treatment specialist be engaged to determine what treatment, if any, is required. The Trane Company assumes no responsibility for equipment failure that results from the use of untreated or improperly treated water. - Page 86 Cond Approach Temp Compressor System Chiller Running Time Circuit 1 Compressor 1A Starts Compressor 1B Starts Compressor 1A Run Time Compressor 1B Run Time Circuit 2 Compressor 2A Starts Compressor 2B Starts Compressor 2A Run Time Compressor 2B Run Time CGWF-SVX01A-EN...
- Page 87 Compressor A Pumpdown Compressor B Pumpdown Front Panel Lockout Ckt1 Circuit 2 Compressor A Pumpdown Compressor B Pumpdown Front Panel Lockout Ckt2 Display Settings Date Format Date Time Format Time of Day Keypad/Display Lockout Display Units Pressure Units Language CGWF-SVX01A-EN...
- Page 88 Unit Maintenance CGWF-SVX01A-EN...
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Page 89: Wiring Schematics
Wiring Schematics Typical field connection diagrams, electrical schematics and connections diagrams for the CGWF/CCAF units are shown in this section. NOTE: The drawings in this section are provided for reference only. These diagrams may not reflect the actual wiring of your unit. For specific electrical connection and schematic information, always refer to the wiring diagrams that were shipped with the unit. -
Page 90: Schematics
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Page 94: Component Location
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Page 95: Field Wiring Diagram
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Page 96: Field Layout Diagram
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- Page 100 Stocking Location Inland www.trane.com Trane has a policy of continuous product data and product improvement and reserves For more information contact your local district the right to change design and specifications without notice. Only qualified techni- office or e-mail us at comfort@trane.com cians should perform the installation and servicing of equipment referred to in this bul- letin.