Wiring ac to furnace - How Air Conditioner & Furnace Work Together

These are heavy wires, not thermostat wires.

On 2020-09-11 by Anonymous Thanks, I read through that but the Orange and Blue Wires were not used and there is no C on the therm wiring lug.

I would suggest going to the furnace and see how they have connected the thermostat wires to the control board.

C Wire Adapter

You would need to see where these three wires terminate to be safe.

Do you have a C-Wire? Any help would be greatly appreciated my old thermostat has 11 terminals with 9 wires connected and my new one has 9 terminals.

Do you have a C-Wire? Try to find out if you have a common wire running up to the thermostat or not by using a volt meter with the power on and testing between any two of the wires.

Description: Here is the link to that page: The tech should have traced the wires for you and I would not think that you would need any changes, but it would not hurt to check the wiring.

Views: 902 Date: 15.02.2022 Favorited: 132 favorites
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If the thermostat has been replaced with the new electric furnace make sure it is programmed properly for optimal performance and efficiency.
Contact Support at 1-855-733-5465 to find a pro-installer in your area.
We brought in a single phase, volt service.

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