Have a cyclone 4115. When I turn on the furnace at the thermostat in the bed room the roof unit has started to come on at the same time. The last time I used it this did not happen. Any help would be appreciated
Hello pavingguy and welcome to this great forum.
You will need to scroll the menu on the thermostat till you get to the fan mode then be sure to turn the fan to "Auto".
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