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R-410A AC Unit, Checking the Charge with Subcooling, Undercharged through Overcharged!

In this HVAC Training Video, I Show How to Measure the R-410A Refrigerant Charge Level Using the Subcooling Method. I Check the Charge 4 Times on an Air Conditioner that has had Refrigerant Added or Recovered for each Scenario. I show a Severely Undercharged System, Slightly Undercharged, Correctly Charged, and Overcharged System.

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