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My Trane thermostat (TCONT600AF11MAA) is supposed to have 1.5 degrees of heat pump "rest" above the desired setting before turning on the heat pump. The thermometer reading does not change yet the heat pump cycles on and off in mere minutes. Very expense to operate. Thermostat installed 9-2-2009 as part of the Trane heat pump (4WCC3060A100AA0) package. I live in remote part of SE AZ and the Trane dealer is quite small and may not know as much as he thinks he does. Help!

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Friend! All thermostat is calibrated to cut in and cut off at the end of - or + 1 degree end.
Example: If you set 23 degree, it will cut off in 21 degree and cut in @25 degree. So accordingly you set the temp.
Secondly, don't set temp near to your room temp.Minimum difference should be 3 degree. If your room temp 12 degree, set at least 15 degree for heat and if room temp 28, set at least 25 degree for cool.
Hope it's helpful?

Posted on Jan 02, 2011

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Posted on Jan 02, 2017

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