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#r32gas #r32charging #r32flamable
Best book for HVAC
Basic Refrigeration and Air Conditioning by P N Ananthanarayanan
Amazon Store link - www.amazon.in/...
This video will explain you about handling, pressure testing, vacuuming, and charging of R 32 refrigerant. This video also gives detail idea of suction, discharge and standing pressure of r 32 refrigerant and tools used for r 32 system repairing.