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adam khan Basic Refrigerant Circuit Course May 25, 2022, 1:48 am
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Checking the Charge Without Gauges (Our Process)
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20° ΔT (Delta T), A Lazy Rule of Thumb
What should the delta T (ΔT) be? What do you mean!? 20 degrees, of course! We are referring to the air temperature drop across an air handling unit or evaporator coil in cooling mode. Actually, depending on who you ask, the answer will range between 18-22 degrees Fahrenheit. Heck, I’ve heard some insist that […]Read more