Heat Pump

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Goodman wiring

Low side> High side (~10#) + When running, # both sides quickly going up: Release freon in low side a bit, then run sys again
Low side=>high side+ High side=> low side: one of compressor valves (~12Ω) is bad
Chart: LG Window unit
Reserving Valve: Liquid line=200F at any mode, anywhere  

Defrost Problem:

Ambient Sensor = check sensor with Temp Resistance Chart , check voltage at sensor pins onboard =[5_6 DC volts]

Coil Sensor = similar to Ambient sensor

CC =Contactor, PS1 = Pressor Switch 1, PS2 = Pressor Switch 2 , DF = Defrost Thermostat sensor  Defrost Control board

Heat pump Defrost Rewiring