PistolPete76
New Member
don't have a manual. it's a 10 year old furnace. It was at my place when i bought it 4 years agon.hmmmm.
Thanks for all your help.
Thanks for all your help.
What would have to be changed for that to work?
It looks to me that it is going to require the 4 wire hookup.
It will not know that the air is not installed and will run the fan trying to coll, then shut off after it reaches the therm cool setting.
Do you have 4 wires available from the Thermostat to the furnace ? What is red doing ?
You will need 4 wires if you want it to work the way I understand that you want it.
I do believe that unit is able.
Did you switch to the Y terminal on both ends and put it on cool as Jim recommended ?
Thanks for the response. Yes, I meant I want to force the fan on, since my basement is much cooler than my upstairs. This would equalize temp through the house and in turn cool the top floor a bit since i don't have ac.
I did find another (red) wire that was hiding in my wall behind the thermostat. I can easily attach it to my thermostat. Unfortunately the other end is not attached to the furnace. I'm not sure where should I attach it to, to make the fan go. Any help would be appreciated.
I only have 3 wires right now. if i manually switch the gass off, the fan will turn on when thermostat is adjusted to heat higher than rm temp. Once on though fan will continue to work even after the temp is adjusted manually to lower heat than rm temp. (strange) Have to shut the breaker off to stop it) This work for aout option. If i set it to "on" possition to run constantly the fan will not turn on when the heat is set to lesser temp thatn air temp in the house.
There is no red wire. black is hooked up to RH white to W and green to G
I'm gonna see if i can add another wire to trick it into ac mode without ac. thanks for all your help. Might take me a while to run that wire. It's been busy summer.
Yes i have a red wire behind, but it was not used. I had to extend too for it to reach the furnace. Now it's (green) just to make it more color complicated lol.
I will try the wire switch. It's not that much work.
with the heat i see what you guys are saying. When I had it running the other day it actually got warmer than cooler. So at the end i may not even use it, but it was cool to learn something new.
Once again thanks a bunch for all your help
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