GEAppliances AZ75E09DAC Technical Service Manual

GEAppliances AZ75E09DAC Technical Service Manual Manual pdf 19 page image

– 17 –Heat Mode OperationNote:• Minimum compressor/fans off time is 3 minutes +/- 10 seconds.• Heat pump will not operate if outdoor thermistor sees 25 °F or less.• Heat pump and resistance heater(s) do not operate at the same time.• Indoor and outdoor fans operate at the same time, with the following exception: Should theindoor coil temperature reach 131 °F, the outdoor fan will stop until the indoor coil temperaturelowers to 126 °F.Heat pump modelcurrently heating withan outdoor temperatureabove 25 ˚F.Indoor fan, outdoorfan, compressorenergized.Thermostatsatisfied.Indoor fan, outdoorfan, compressoroff.Thermostat notsatisfied.Indoor fan, outdoorfan on.Compressor on. 3 SECOND DELAYNonheat pump modelcurrently heatingorheat pump modelcurrently heating withan outdoor temperaturebelow 25 ˚F.Heat pump modelcurrently off with anoutdoor temperatureabove 25 ˚F.Set thermostat toheat mode. Adjustthermostat tosetting aboveroom temperature.Indoor fan, outdoorfan, resistanceheaters energized.Indoor fan, outdoorfan, resistanceheaters energized.Thermostatsatisfied.Indoor fan, outdoorfan, resistanceheaters off.Thermostatsatisfied.Indoor fan, outdoorfan, resistanceheaters off.Thermostat notsatisfied.Indoor fan, outdoorfan, resistanceheaters energized.Thermostatsatisfied.Nonheat pump modelcurrently offorheat pump modelcurrently off with anoutdoor temperaturebelow 25 ˚F.Set thermostat toheat mode. Adjustthermostat tosetting aboveroom temperature.