EWC Controls Forum

Give us a call please
732-446-3110

You just need to hook up the "C" Common wire to the NCM 300 and the Nest thermostat and you will be good.

If you are looking for a Thermostat for the master zone on your ST-2E / ST-3E zone boards here is a list of Thermostats that have the separate "O" and "B" connections that you are going to need for the master zone. Remember the ST series boards are master/slave (Winter/Summer man...

Can you give me a call when you got some free time to talk about this I have some questions. Thank you

Steven R. Weisneck
HVAC Zoning Technician
Tel: (732) 446-3110 Ext. #461
www.ewccontrols.com
sweisneck@ewccontrols.com
M-F 8:00am - 4:30pm

If you are swapping out the ST-2E for the NCM-300 then you will not need the O or B terminals they are now spare wires.

Make sure your zone dampers are going to the correct Zone. When you get a chance give me a call again. I will be in the office all day today.

732-446-3110 x461

Steven

PRO 1 Thermostats
T601-2 – None Programmable
T725 - Programmable-This one is your best bet
T855 - Programmable
T855i – WiFi Thermostat
T955WH – Wireless Thermostat

Yes Bmplus will be fine

please give us a call
732-446-3110

Yes sir ewc equipment will work for you. I would go with a Bmplus 3000