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View Full Version : Hooking air conditioner to furnace have white wire and red wire


joyfulcam
Mar 14, 2012, 02:38 PM
I have an old furnace Bryant 395BAW048080 that had the board replaced and the person who replaced it did not hook the airconditioner up. My air conditioner has only 2 wires red and white. I want to know how to hook it up. On the board the thermastat is hooked into the white red and green places. Help it will soon be hot and I can't seem to get hold of the person

mechcon
Apr 12, 2012, 03:40 PM
One of the wires go to C on the board
And the other goes to Y on the board with the Y from the stat.

cookbart
Jul 1, 2012, 03:00 PM
I have exactly the same situation but I have a Carrier Weathermaker 8000 which is made by Bryant and 2 wires from my ac which are red and white

On the Furnace Board I have the following inputs on the board

G
Com 24
W
Y
R

There is no C unless it is the Com 24

1.Where does the White wire attach to on the Board?
2. Where does the Red wire attach to on the Board?

I already have a white wire attached to the Y on the Board

I have 4 wires attached to Thermostat
1. Red to G
2. Thin White to Y
3. Thick White to W
4. Thick Black to RH with a jumper wire between RH and RC

mechcon
Jul 5, 2012, 06:59 PM
The y at the board should have 2 wires on it 1 from the outside unit and the y from the stat. The other wire from the outside unit should go to common in your case it is the com24.