Related Manuals for Trane CGAT Series
Summary of Contents for Trane CGAT Series
- Page 1 Installation Operation Maintenance Air-Cooled Chiller 5-18 Tons CGAT Model 50 Hz Models; CGAT 065 D, CGAT 135 D CGAT 085 D, CGAT 175 D CGAT 105 D, CGAT 215 D January 2009 CGAT-IOM01-EN...
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Page 2: Model Nomenclature
Model Nomenclature 10 11 12 13 14 DIGIT 1,2,3 - MODEL IDENTIFIER CGA = COLD GENERATOR, AIR-COOLED DIGIT 4 - DEVELOPMENT SEQUENCE = DEVELOPMENT SEQUENCE DIGIT 5,6,7 - NOMINAL CAPACITY 065 - 65 MBH 085 - 85 MBH 105 - 105 MBH 135 - 135 MBH 175 - 175 MBH 215 - 215 MBH... -
Page 3: Table Of Contents
Contents Model Nomenclature General Information General Data Installation Electrical Typical Wiring Diagram Trouble Shooting Dimensional Data CGAT-IOM01-EN... -
Page 4: General Information
Before preparing the unit for lifting, General General Information estimate the approximate centre All Trane Products are identified by All model CGAT air-cooled chillers are of gravity for lifting safety. Due to the a model number that Precisely designed for outdoor installation with placement of internal components, identifies the unit. -
Page 5: General Data
General Data CGAT065D CGAT085D CGAT105D CGAT135D CGAT175D CGAT215D Unit Performance Cooling Capacity (1) 65.2 86.3 104.4 133.1 175.4 214.9 Main Power supply V/Ph/Hz 380-415/3/50 380-415/3/50 380-415/3/50 380-415/3/50 380-415/3/50 380-415/3/50 Min.Brch.Cir.Ampacity 18.1 27.3 29.8 32.7 49.4 53.9 No.of Independent circuits Compressor Type Hermetic Scroll Speeds number... -
Page 6: Installation
Installation Installation Foundation Air Vents Verily completion of installation by Elevate the unit. Ensure the floor or Vents must be installed at high points reviewing the following procedures. foundation of the unit is level, solid in the piping system to facilitate air and of sufficient strength to support purging during the filling process. - Page 7 Installation Chiller Flow Switch Used to prevent or stop compressor operation if the evaporator water flow drops off dramatically. Figure 1 - Typical Water Piping Air Vent Pressure Gauge Unions Vibration Eliminators Thermometers Shutoff Valves Water Strainer Reeturn Line (Inlet) (See Note 1) Flow Switch Gate Valves...
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Page 8: Electrical
Trane Sales Offices. The installer must chilled water pump motor. Provide provide fused disconnect switches. proper equipment grounds. - Page 11 Control Panel Compressor on/off LED Display for water display status temperature and errors Water Freeze Leaving Water Temp Sensor#2 display status status display Pump on/off Water Freezed display status Sensor#1display status Up/Down button use to select which sensor temperature or Power on/off button settings to be shown on LED display...
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Page 12: Trouble Shooting
Pre-Start Procedure Once the unit is installed, follow the Measure each leg of supply voltage steps below to ensure the installation (3-phase) at all ling voltage disconnect procedure is complete. When all are switches. Readings must fall within accomplished, the unit is ready for the voltage utilization range shown on operation. - Page 13 Operation CAUTION : If suction and discharge Start-up Procedure pressures are low, but subcooling is 1. Energize the evaporator water normal, no refrigerant shortage exists. pump. Adding refrigerant will result in 2. Energize the CGAT unit. overcharging. 3. Checking operating conditions Once the unit has been operating 7.
- Page 14 Operation Electrical Control System The controls used on CGAT065-215 chillers are classified either as safety or operational controls. Refer to the following control description for control setting Control Electrical Contacts Contact Description designation open close High Press. Cutout HPCO1,HPC02 398+-19 psig 310+-21 psig Low Press.
- Page 15 Trouble Shouting Symptom Recommended action A. Compressor neither starts nor hums. Probable Cause 1. No power a. Check for disconnect switch open. b. Check for blown fuse 2. No call for cooling a. Check for defective thermostat or b. Broken or improper control wiring 3.
- Page 16 Trouble Shouting Symptom Recommended action F. Noisy compressor 1. Damaged internal parts Replace compressor 2. Liquid floodback (abnormally cold suction Check and adjust superheat line and low superheat) 3. Liquid refrigerant in compressor at start-up a. Check crankcase heater b. Check for refrigerant overcharge. G.
- Page 19 Note CGAT-IOM01-EN...
- Page 20 35 À¡Ÿ à 8 ∂.ªŸ É ‡ ®â “ ¡‘ ß æ√“¬ µ. ”‚√ß„µâ Õ.æ√–ª√–·¥ß ®. ¡ÿ ∑ √ª√“°“√ 10130 Samrong Tai, Samutprakarn 10130 Since The Trane Company has a policy of continuous product and product data improvement, http://www.trane.com it reserves the right to change design and specifications without notice.