Trane XR400 thermostat

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Trane XR400 thermostat

Postby calicojake » Sun Nov 10, 2013 12:03 pm

I have a dual-fuel trane heating/cooling system and the thermostat was originally set to initiate the gas furnace when the outside temperature got to 35 deg. F. If I want to set the outdoor temperature for the gas furnace to come on at 40 deg. F., how do I accomplish this task?

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