how can I check a ac condenser unit that has been pumped down and removed? without hooking it up to a coil. look at everything crack the King valve to see if it has high pressure hook up 220 volts push contactor for one second to see if compressor and fan comes on. what other checks and test can I do? compressor might run but don't know if it is pumping. if a heat pump hook up 24 volt transformer to test control board and test selenoid for reversing valve?is there any way to check the reversing valve to tell if it is sliding? any other checks test you know of? :det:
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