Refrigeration Diagnosis (Rev. 1/99)
86
•
• • •
Liquid refrigerant entering compressor
•
•
•
Restricted line on the low side
•
•
Restricted line on the high side
•
•
•
Restricted dehydrator
•
•
Reversed fan rotation
•
•
•
Leak in heat exchanger
• •
•
• •
Faulty pilot solenoid
•
•
Loose or broken electrical connections
• • • •
Gauge out of calibration
•
•
Leaky bypass check valve
•
•
Leaky condenser check valve
•
Condenser fan motor not operating
•
•
• • •
Evaporator fan motor not operating
•
Belts are loose
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SYM
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POSSIBLE CAUSES
Summary of Contents for 914 724
Page 4: ......
Page 8: ......
Page 14: ...4...
Page 16: ...6...
Page 32: ...22...
Page 38: ...28...
Page 98: ...88...
Page 107: ...97 Model 10 and 20 Schematic Diagram...
Page 108: ...98 Model 10 Wiring Diagram...
Page 109: ...99 Model 20 Wiring Diagram...
Page 110: ...100 Model 20 Single Phase with Heat Option Schematic Diagram...