Tagged Questions
2
votes
2answers
792 views
Why is my A/C unit running when the heater runs?
So it finally got cold here in AZ. We switched our thermostat from A/C to Heat. Now for some reason when the electric heater runs, the A/C condenser unit outside kicks on too. This is our first winter ...
3
votes
2answers
658 views
Trying to wire a 220v line-voltage thermostat
I am trying to replace my old 220v line-voltage thermostat with a modern version. The problem is that after wiring the new version in like the old it doesn't work. I have (2) 12-2 wires coming out of ...
1
vote
2answers
591 views
How do I diagnose a thermostat and HVAC that intermittently doesn't respond?
My gas heater for the whole house does not follow the thermostat settings on some mornings. I have set it to 70 degrees at 6 am but now it is still 60 at 8 am. This happens weekly once or so and seems ...
4
votes
2answers
6k views
What should I use to wire a 220v electric baseboard heater and thermostat? 12/2 or 12/3
When I bought my baseboard heaters, thermostats and 220v breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats, heaters, and even breakers have ...