Goodman heat pump reversing valve clicking when in cooling mode. Voltage on OB wire drops corresponds with clicking. Put old thermostat back in and get a solid 25.5V under load between OB & C. Nest 3 3months past the 2 year warranty. Nest said the best they can do is send me a free base plate.
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Goodman heat pump reversing valve clicking when in cooling mo…
Mar 29, 2020
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How a Heat Pump Reversing Valve Works
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A reversing valve uses a sliding mechanism to divert the refrigerant flow using different parts. #HVAC #Cooling #Heating #Refrigeration | HVAC School
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The electromagnet cannot open and close the valve by itself. To drive the valve, it drags a small pilot valve inside a reversing valve and uses the pressure created by the compressor to slide the valve. #HVAC #Refrigeration #Cooling #Heating | HVAC School
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A heat pump is essentially a refrigeration system with a reversing valve. #hvaclife #hvactechnician #hvac | Tony Mormino
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I dig it... Watch the whole animation here on the Danfoss Heat Pump YouTube channel https://youtu.be/8sCzOgNeN_E Danfoss Cooling | HVAC Know It All
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