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Adjusting aux heat threshold
I have an American Standard heat pump with a Honeywell thermostat.
As I understand it, the aux heat should engage when you raise the thermostat 3 or 4 degrees OR if the heat pump falls behind by 3 or 4 degrees. On my system, the aux heat engages at a MUCH touchier threshold (possibly 1/2 degree). If I move my thermostat 1 degree, the aux heat kicks in. If the heat pump falls behind by 1/2 degree, the aux heat kicks in. The heat pump is not being given much of a chance to keep up. For economics, I want to give the heat pump a greater chance at maintaining temperature. Is this a thermostat adjustment that I can make? What controls the 3-4 degree differential between heat pump and aux heat? |
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