Search found 2 matches
- Wed Jul 18, 2012 6:24 am
- Forum: Help and Advice
- Topic: Open when it should be closed - closed when it should be ope
- Replies: 3
- Views: 12895
Re: Open when it should be closed - closed when it should be
Thank you for getting back to me. I do not have a Volt meter. Control Panel With no calls to the system being made: The Z1 light is lit. The Z2 light is lit. See photo Dampers Z1 damper - closed, red light Z2 damper - open, green light I have attached a photo of the control panel. Z1 and Z2 lights ...
- Sun Jul 15, 2012 1:00 pm
- Forum: Help and Advice
- Topic: Open when it should be closed - closed when it should be ope
- Replies: 3
- Views: 12895
Open when it should be closed - closed when it should be ope
The set-up: 2 zones (one for each floor) Central air and heat MA-ND4 for the zone in question, second floor EWC BM2000 control panel The house is new to us The issue: When the air-conditioning is turned 'on' on the second floor, the MA-ND4 closes (red light). When the air-conditioning is turned ...