hi, I just got my second wireless thermostat for my downstairs which has radiant heat and central ac. The old thermostat was just one of those white round dial thermostat. Hooked up the wires exactly like the one upstairs. The only difference is the one downstairs has a blue wire which I hooked up to the slot to the left of the red wire with the jumper.
For some reason when the thermostat turns on, it is turning on the fan upstairs which it shouldnt. The upstairs has a blower with forced how air using the furnace. The downstairs uses the furnance at a lower temp 70-90 then runs the heat throgh the radiant heat pipes. Any help would be greatly appreciated.