Trane CGAT Series Installation Operation & Maintenance Download Page 1

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CGAT-IOM01-EN

January 2009

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

Summary of Contents for CGAT Series

Page 1: ...CGAT IOM01 EN January 2009 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...

Page 2: ...OPMENT SEQUENCE T 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 DIGIT 8 ELECTRICAL CHARACTERISTICS D 380 415V 3pH 50Hz DIGIT 9...

Page 3: ...CGAT IOM01 EN 3 Contents Model Nomenclature 2 General Information 4 General Data 5 Installation 6 Electrical 8 Typical Wiring Diagram 9 Trouble Shooting 10 Dimensional Data 12...

Page 4: ...ng cautions and procedures given in Figure 1 when lifting the unit Always test lift the unit to determine actual centre of gravity Before preparing the unit for lifting estimate the approximate centre...

Page 5: ...1 1 2 1 1 2 1 1 2 1 1 2 Outdoor Coil Type Uncoated Corrugate Tube size inch 3 8 3 8 3 8 3 8 3 8 3 8 Tube type Smooth Smooth Smooth Smooth Smooth Smooth Face Area Ft2 15 10 20 00 25 00 30 20 40 00 42...

Page 6: ...er Piping General Piping Recommendations Thoroughly flush all water supply piping before making the final piping connections to the unit CAUTION If using an acidic commercial flushing solution constru...

Page 7: ...pical Water Piping Figure 2 Evaporator pressure drops Air Vent Pressure Gauge Unions Vibration Eliminators Thermometers Water Strainer Reeturn Line Inlet See Note 1 Gate Valves See Note 2 Balancing Va...

Page 8: ...les Offices The installer must provide fused disconnect switches Type and locations of disconnects must comply with all applicable codes CAUTION To avoid component failure use copper conductor wire on...

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Page 11: ...emp status display Water Freezed Sensor 1display status Compressor on off display status Water Freeze Sensor 2 display status Pump on off display status Power on off button Program selection button Up...

Page 12: ...ctions for leaks and make any necessary repairs 6 Adjust the water flow rate through the chilled water circuit and check the water pressure drop through the evaporator Refer to water pressure drop dat...

Page 13: ...conditions 6 If operating pressure superheat and subcooling readings indicate refrigerant shortage find and repair leaks and gas charge refrigerant into each circuit Refrigerant shortage is indicated...

Page 14: ...signed to protect the evaporator from freeze damage in the event of water temperature thermostat malfunction or if the is a restricted water flow condition The LTC s remote sensing bulbs monitors Leav...

Page 15: ...ay relay 2 No call for cooling a Check for defective thermostat b Check for improper control wiring 3 Locked out by reset relay a see Symptom A 4 Compressor contactor will not close a see Symptom A D...

Page 16: ...ace compressor H Suction pressure too low 1 Short of refrigerant Find and repair leak recharge system 2 Thermostat set too low Readjust thermostat 3 Low water flow Check strainers and adjust balancing...

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Page 19: ...CGAT IOM01 EN 19 Note...

Page 20: ...cifications without notice Literature Order Number CGAT IOM01 EN0303 New Stocking Location Bangkok Thailand Trane Thailand 7th Floor Ploenchit Center Building 2 Sukhumvit Road Klongtoey Bangkok 10110...