I have check wiring at condenser unit out side, compresor and fan will come on and work if you push the button in the center of the relay and hold it but it will go off as soon as you release it.

I am working with refrigeration systems for some research. I am looking at the compressor map and have been told that a correction factor of .75 is fair to assume for conditions outside of the map's designated superheat and intake temp. Does anyone know where I can obtain any articles to support...

I have a new air compressor for my hot rod fabrication. The specifications are as follows, 5.5hp 80gal 24amp 240v. My question is, it calls for a 30 amp breaker and time delay fuse, Type "T". I am running 6/2 wire to supply the unit, it is about 90 ft from the main panel so we ran 6/2 for minimal...

88 gmc van 6.2 diesel I changed my system to 134 Rebuilt compressor New accumulator At idle compressor works good and cold Soon as I rev up compressor squeals Anybody have any suggestion