EWC Controls Forum

Thank you. The wiring diagram is very clear. I further clarified with Paul my remaining questions. Thought I would post here to clarity in case anyone else is interested. Zone2/3 thermos do not need G wire connected unless I want independent fan control on those thermos. DIP switches for my forced ...

Hi everyone. Will be going through this process over the next few weeks. Have downloaded both ST-3E and NCM-300 technical bulletins. My current setup is wired exactly like #6 (Typical Fan Center And Oil Burner with Isolation Relay) on page 4 of the ST-3E technical bulletin. I also have 3 zones and ...