Just run a 18/3 or better(if you want to use a thermostat that isn't battery powered) wire to your current thermostat location, and use any thermostat that has A/C control also. Then just turn the fan switch to "on". Need to have RH/RC jumpered in the stat, and connect stat W to W in furnace and stat G to G in furnace. Along with C to C if you use a stat that is not battery powered.
Trane XR95 - want to wire a manual blower switch
I never knew new furances wouldn't come with a "summer fan"...pretty dumb!
I don't need A/C here but want to circulate the cool air around by running the fan only.
Here is the 2 ways i have found so far on the net
1) Run jumper from R to G in the furnace and run it to a switch, then somehow wire this to the G on your thermostat
2) use 18/5 wire and get a Honeywell Vision Pro 8000 that has a "Circ" option
Now I don't think it can be that hard, just need to know where I can find some info so i can wire it to my thermostat. I talked to my furnace installer who said it doesn't come with a summer fan and that an electrician can wire in a new thermostat if you want...I asked would an electrician know how to wire it and they said "he should..."
Nice!
I don't need A/C here but want to circulate the cool air around by running the fan only.
Here is the 2 ways i have found so far on the net
1) Run jumper from R to G in the furnace and run it to a switch, then somehow wire this to the G on your thermostat
2) use 18/5 wire and get a Honeywell Vision Pro 8000 that has a "Circ" option
Now I don't think it can be that hard, just need to know where I can find some info so i can wire it to my thermostat. I talked to my furnace installer who said it doesn't come with a summer fan and that an electrician can wire in a new thermostat if you want...I asked would an electrician know how to wire it and they said "he should..."
Nice!
1 - 4 of 4 Posts
Thanks for replying, wold you be able to walk a total rookie through this?Just run a 18/3 or better(if you want to use a thermostat that isn't battery powered) wire to your current thermostat location, and use any thermostat that has A/C control also. Then just turn the fan switch to "on". Need to have RH/RC jumpered in the stat, and connect stat W to W in furnace and stat G to G in furnace. Along with C to C if you use a stat that is not battery powered.
Right now I have a thermostat that is battery operated, so are you saying to jumper RH/RC in the stat, then jumper W to W and G to G in the furnace?
what wire connects the stat to the furnace jumpers?
If you could walk me through it, I know it can be frustrating, but I don't want to do it wrong and then fry the board on the furnace...
wire G in furnace to G in stat and jumper RC to RH in stat if not already jumpered. The fan control will now function from the stat.
1 - 4 of 4 Posts
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