Joined: Sat Apr 14, 2012 8:10 pm
So replacing my Lennox thermostat: I have a heat pump Orange wire going into zone controller, but no orange wire going from zone controller to thermostat. there is no where to add the orange wire to zone controller.
Wire Colors: and how the old thermo was wired to zone controller
on the zone controller Zone 1 there is
how can i add the CT-30 Thermo and have it switch the valve from A/C to Heat and vice versa with no orange wire hooked up to Thermo..