Hi all,
This past weekend i went to fire up my central AC system and got nothing. I have a forced air system, oil fired with an outside condenser. Checked unit itself and it runs fine when the contactor is pressed in. Confirmed no 24V at the unit. I have a 300 L panel 3 zone and started checking ...
Search found 2 matches
- Mon Apr 20, 2026 4:05 pm
- Forum: Help and Advice
- Topic: 300L panel no 24V at yellow system wire
- Replies: 0
- Views: 109
- Thu Nov 06, 2025 1:05 pm
- Forum: Help and Advice
- Topic: Whistling 16x8 ND Motorized Damper
- Replies: 0
- Views: 15467
Whistling 16x8 ND Motorized Damper
Having some issues with newly installed EWC 16x8 ND motorized dampers. I have a 3 zone hot air oil fired furnace. When one of the zone dampers closes is makes a high pitch whistling noise. When its open its fine. This only occurs for one of the 3 dampers. Not sure if there is anything I can do to ...