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R-410A AC Unit Checked with Superheat: 4 Scenarios, Low Charge through Overcharged!

In this HVAC Video, I Show SEVERELY UNDERCHARGED, UNDERCHARGED, CORRECTLY CHARGED, and OVERCHARGED Scenarios on a Running R-410A Refrigerant Air Conditioner with a Piston Metering Device While Checking the Charge with Total Superheat. I Adjusted the Refrigerant Charge Level 4 times and Checked the Charge 4 times.

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