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 ...
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: 22295
- 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: 22295
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 ...
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 ...