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HVAC/R Evacuation Quiz September 10, 2023, 3:15 am
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Understanding “P” Traps in Refrigerant Lines
This article was written by Don Gillis with Chemours. Thanks, Don! There are 3 main reasons we use “P” or “U” traps: Assisting in oil return to the compressor Preventing oil accumulation in the evaporator Preventing liquid refrigerant or oil from entering the compressor while operating or during the off cycle Assisting in oil return […]Read more
Electronic Leak Detection DOES WORK
I hear many techs complain about the finicky and ineffective nature of electronic leak detection—so much so that some claim that it is a waste of time altogether. We recently located a leak inside the fins of a ductless evaporator coil—pinpointed to an exact spot—using an electronic leak detector. For demonstration purposes, we took that […]Read more