| Questions |
Cause |
Remedy |
| Where is the unit located? What is air temperature entering condenser? |
Cold ambient air temperature or cold water. |
None. Efficiency increased. |
| Have you checked refrigerant charge? |
Refrigerant shortage. |
Repair leak and recharge. |
| Is compressor suction or discharge valve partially closed? |
Compressor suction or discharge valve partially closed. |
Open valve. |
| Is compressor suction or discharge valve leaking? |
Compressor suction or discharge valve inefficient. |
Clean or replace leaky valve plates. |
| Is condenser pressure regulator operating properly? |
Faulty condenser pressure regulator. |
Repair or replace. |
| Do you have low suction pressure? |
See section XI on low suction pressure. |
Correct. |
