EWC Controls Forum

I have essential gas for heating and central a/c for cooling. I am thinking the B and O are for heat pump?

However, from EWC control panel where it says SYSTEM, there is no B and O wires there

I have essential gas for heating and central a/c for cooling. I am thinking the B and O are for heat pump?

However, from EWC control panel where it says SYSTEM, there is no B and O wires there

Make sure your devise is compatible with it too. I did a full equipment change out, not even thinking about the Stating. Spent a few extra hours trying to figure out why the hell it wouldn't work)

I have an integrated automation system in my home tied to the thermostat, security system and lighting controls. The HVAC professional was unfamiliar with the thermostat (an HAI RC80 single stage communicating) which didn’t surprise me since this is a very small niche market. He assured me that I c ...