Replace the Refrigerant Charge Non Condensibles

Recover and Replace the Refrigerant Charge

Turn the system off and equalize system pressures using your refrigerant gauges.  Allow the system to set for 10 to 20 minutes.  If the gauge temperature is more than 5°F greater than the actual temperature of the coldest coil, there are non-condensable or other contaminants in the system.  When replacing a full refrigerant charge, use the Mfg. weigh-in recommendations is preferred. Include additional refrigerant charge for longer refrigerant line lengths.

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ZENHVAC Non Condensables