–5–
Use only the necessary minimum quantity of oil.
Reason :
1. The refrigerator oil used for the equipment is highly hygroscopic and may introduce water inside.
Notes :
•
Introducing a great quantity of mineral oil into the refrigerant circuit may also cause a compressor failure.
•
Do not use oils other than ester oil, ether oil or alkylbenzene.
[2] Piping Machining
Use a small amount of ester oil, ether oil, or alkylbenzene to coat flange connections.