EWC Controls Forum

Eric, as to your questions: What terminals are on each thermostat? (i.e. R, RC, Y, G, etc.) RH and RC are bridged, i am connecting to RC. Y, G, W and C. 5 wires. The colors are the same W- white, Y yellow, R red, C brown, G Green at both thermostats and zones panels Given i ca jump it fine from ...

Any help would be appreciated as I am completely stumped. I am trying to connect two RC1000 HAI thermostats to an EWC NCM300 zone panel. I have connected the Zone 1 thermostat and it works fine. The Zone 2 thermostat also appears fine but when it calls for cool or fan the HCAC system is not ...