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NORMAL CUTTING OUT PRESSURE OF REFRIGERATION COMPRESSOR FOR HIGH DISCHARGE PRESURE IS NORMALLY 18 BAR. BUT WHEN THE HIGH CUT OUT HAPPENS COMPRESSOR DO NOT START ON ITS OWN. IT HAS TO BE RESET MANUALLY TO START IT AGAIN. REASONS FOR HIGH PRESSURE IN THE SYSTEM IS DUE TO THE FOLLOWING REASON :-

1. OVERCHARGE OF REFRIGERANT.
2. INSUFFICIENT COOLING WATER TO CONDENSER
3. TEMPERATURE OF COOLING WATER HIGH.
4. NON-CONDENSABLE GASES IN CONDENSER.
5. CONDENSER FOULED.
6. WATER VALVE IS NOT FUNCTIONING PROPERLY.
7. LOAD HIGH ON THE SYSTEM.
8. LIQUID ENTERING TO THE SYSTEM.