Part 4 Trouble Shooting
2. Check temperature and pressure of refrigeration cycle.
Suction pressure | Temperature |
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(Compared with | (Compared with | Cause of Trouble | Description | |
the normal value) | the normal value) |
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| High | Defective compressor | Current is low. | |
Higher |
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Normal | Excessive amount of | High pressure does not quickly | ||
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| refrigerant | rise at the beginning of operation. | |
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| Insufficient amount of | Current is low. | |
Lower | Higher | refrigerant(Leakage) |
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| Clogging |
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NOTICE
1.The suction pressure is usually 8.5~9.5 kg/cm2.g at normal condition.
2.The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty.
40Room Air Conditioner
