Thread: Heater
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Old 06-04-2014, 09:44 AM   #4
Carl n Susan
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Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,359
M.O.C. #4831
Yup, having the A/C fan running with the heater is a "feature". As rohrmann wrote, you have to set the fan on Auto in A/C mode to avoid having it run in heater mode. Why? Nobody knows the reason but it is documented in the manual for the thermostat.
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