Search found 2 matches
- Wed Dec 22, 2010 12:31 pm
- Forum: Help and Advice
- Topic: 1 damper keeps opening an closing during heating cycle
- Replies: 3
- Views: 11187
Re: 1 damper keeps opening an closing during heating cycle
nope. the motor on the damper only has 3 wires 1,2, and 4.
- Tue Dec 21, 2010 12:50 pm
- Forum: Help and Advice
- Topic: 1 damper keeps opening an closing during heating cycle
- Replies: 3
- Views: 11187
1 damper keeps opening an closing during heating cycle
I have an ST-2D system with 2 zones. one zone and damper is working fine and one damper will open and close many times during a heating cycle. The furnace stays on to continue to hat the zone when the damper closes and a few seconds later the damper opens again. Occasionally the damper will work ...