Tip & How-To about Heating & Cooling
It would help to have refrigerant type.
The pressures will vary according to load, as when it is first started up. The best way is to weigh the amount of refrigerant charged. By charging by feel, can read the compressor current draw, it is safe to not exceed 1/6th of the compressor LRA. Can charge slowly by filling the evaporator to feel cold refrigerant from entrance to exit.
Condensor may fill with the bottom 1/3 cooler than the hot/warm top. Overfilling will overload the compressor, frost appears on the suction line, first portion of the evaporator may not cool off and actually be warmed.
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