#charging without gauges

Tech Tips:

The “Approach” Method of Charging and Condenser Efficiency
By:Bryan Orr We have discussed many methods for checking a refrigerant charge without connecting gauges over the last few years. Recently, I've been thinking about the “approach” method of charging that many Lennox systems require. What is the Approach Method? The “approach” simply refers to the temperature difference between the liquid line leaving the condenser […]
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