Search found 2 matches

by MarkWeinberg
Mon Apr 19, 2021 10:05 pm
Forum: Help and Advice
Topic: ST-2D to NCM-300 upgrade
Replies: 2
Views: 1122

Re: ST-2D to NCM-300 upgrade

Refreshing this as I haven't had a response in 16 days.
by MarkWeinberg
Sat Apr 03, 2021 10:13 pm
Forum: Help and Advice
Topic: ST-2D to NCM-300 upgrade
Replies: 2
Views: 1122

ST-2D to NCM-300 upgrade

]Hi, I have replaced my EWC-ST-2D panel with an NCM-300 and followed the upgrade wiring instructions. I wired the NCM-300 exactly the same as the ST-2D on the system block (see attachements). I have a gas-fired furnace and external AC unit with 2 zones. The reason for the upgrade is to be able to in...