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My central heater fan comes on when it's hot outside


Posted by Richard M. on November 2nd, 1999 07:22 PM

I have a central air and heating unit in a seperate room right outside the house, I never use the central air, hasn't worked for years. The problem is when it's hot in the daytime my heating fan comes on and I assume it's the settings for controlling the fan on/off. Right now my inside thermostat is on about 65 degrees, the settings on the unit are as follows, fan/automatic, diff at 25 and fan off at 105. My ? does anyone know if these settings are correct or is this the reason my fan comes on during the day. Thanks in advance Richard M.

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