Search found 2 matches
- Mon Apr 19, 2021 10:05 pm
- Forum: Help and Advice
- Topic: ST-2D to NCM-300 upgrade
- Replies: 2
- Views: 5785
Re: ST-2D to NCM-300 upgrade
Refreshing this as I haven't had a response in 16 days.
- Sat Apr 03, 2021 10:13 pm
- Forum: Help and Advice
- Topic: ST-2D to NCM-300 upgrade
- Replies: 2
- Views: 5785
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 ...