How's it going guys. Got a question for you. When checking subcooling, you read the pressure from the outlet of the compressor, convert that pressure to temperature, and then subtract the temperature of your liquid line leaving the condenser, right? I have a unit that I'm working on, r-22, and my head pressure is currently sitting at about 400 PSIG. the temp of my liquid line about 6 inches away from the condenser is floating around 112 degrees Fahrenheit. So I have about 40 degrees of subcooling apparently.
We are afraid to add any refrigerant right now because our head pressure is so high, but the suction line coming back is lukewarm, about 68 degrees, so maybe the head pressure will go down once the compressor is actually getting some cooler refrigerant back and we're not starving the evaporator? Can anyone help me out here? Thanks!
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