HVAC Pressure Testing a Refrigerant Line with Nitrogen!
4:36
YouTubeAC Service Tech LLC
HVAC Pressure Testing a Refrigerant Line with Nitrogen!
In this HVAC Video, I go over how to Pressure Test Refrigeration Lines for an Air Conditioner. I show where to Find the Max Design Pressure, how long to hold the test, how to check the joints, and how to do an initial test before doing the higher nitrogen pressure test. Always follow manufacturers' instructions if they prescribe higher ...
162.7K viewsJul 8, 2017
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