Question about Heating & Cooling
Go to your furnace and open its door that covers the controller circuit board. You should see the thermostat wire going into your furnace and connecting to this circuit board. There are symbols where the color wires are connected (e.g. W, Y/Y1, C, R, etc.). Write down the wire colors and the corresponding symbols. Go back to your thermostat and connect each color wire to thermostat wall plate according to your recorded symbols from the furnace.
Posted on Nov 26, 2012
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Red wire on the R terminal
Green wire on the G terminal
White wire on the W terminal
Blue wire on the C if no A/C and on the Y if you do have A/C
Thermostat Wiring and Terminal Designations
Posted on Oct 13, 2010
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Posted on Jan 02, 2017
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