Tagged Questions
2
votes
0answers
93 views
Are w1 and w2 both energized during a second stage heat call from the thermostat?
Short version: does two-stage thermostat always close W1 circuit when it closes W2 circuit, or they might be closed independently?
Long version:
I have two-stage furnace, currently connected to older ...
-2
votes
1answer
61 views
why does my thermopump furnace keep throwing the circuit breaker [closed]
Lately the thermo pump breaking shot down and the furnace work on the auxilary . This is very expensive in electricity. But what can cause the breaker to keep throwing the circuit?
-3
votes
1answer
345 views
why won't my furnace turn off once it reaches the desired temperature
I have a moncrief furnace and replaced the thermostat but the furnace will not cut off once it reaches the desired temperature. What could be wrong?
3
votes
3answers
2k views
How to wire multiple thermostats
I would like to have two thermostats controlling a single furnace. However I'm not 100% sure how I would need to wire everything to achieve the correct effect.
Assuming a thermostat simply acts like ...
3
votes
2answers
886 views
Should my thermostat's blue wire be going to W2?
I've recently moved into my first house and am looking to replace the existing basic thermostat in the home. Here is a picture of how I found it wired:
Researching the wires, I've read that ...
1
vote
2answers
349 views
Is there a filter-reminder thermostat that uses run-time instead of total time?
My HVAC filter is in my crawlspace and is a hassle to change. I don't want to change it more than needed. "Change it every month" is bogus advice because in some months (like May) we don't have to run ...
2
votes
1answer
203 views
Will I see any performance gains if I reconfigure my thermostat to control the second stage of my 2 stage furnace?
Our furnace is a two stage one that was installed last year (a Bryant 80t). When it was installed, it was installed with a thermostat for a one stage furnace. This appears to be because this model ...
3
votes
2answers
807 views
Can I piggyback a thermostat with a C Wire hookup on a furnace?
I'm trying to install a new thermostat that needs a C wire hookup. There are currently 4 wires running from the thermostat to the furnace, none of them are a c wire. When I look at my furnace itself ...
2
votes
2answers
2k views
How can I tell what kind of heating system I have?
Seems like a simple question, but I've had a very hard time finding a definitive answer to this.
I went to the hardware store to buy a replacement for a faulty thermostat and when I arrived and ...
3
votes
2answers
3k views
Why does the gas furnace blow cold air at the start of the heating cycle?
What does this problem sound like?
There is a 25 year old gas furnace in the house we rent.
(The guy that owns the place claims there is NO problem at all. He said the igniter is brand new and ...
