Search found 3 matches
- Thu Mar 07, 2013 11:38 am
- Forum: Help and Advice
- Topic: NCM300 upgrade
- Replies: 3
- Views: 13541
Re: NCM300 upgrade
Excellent! Thank you!
- Wed Mar 06, 2013 11:09 am
- Forum: Help and Advice
- Topic: NCM300 upgrade
- Replies: 3
- Views: 13541
Re: NCM300 upgrade
Here's the furnace shot
- Wed Mar 06, 2013 11:08 am
- Forum: Help and Advice
- Topic: NCM300 upgrade
- Replies: 3
- Views: 13541
NCM300 upgrade
Just like this thread http://www.ewccontrols.com/forum/viewtopic.php?f=4&t=404 I am installing Nest thermostats and need to upgrade to the NCM300 from the ST-3. I have a question on the wiring. My zone 1 thermostat has both a blue and brown wire hooked up to separate B and O connections. (zone 2 & 3 ...