Do you have a way of matching the color of the wires to the thermostat? I have 5 wires coming out of the wall, Green, Red, Blue, White, and Yellow.
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Do you have a way of matching the color of the wires to the thermostat? I have 5 wires coming out of the wall, Green, Red, Blue, White, and Yellow.
Red= transformer
Yellow= contactor A/C
Green= fan
white=heat
blue= reversing valve energized in heating.
Orange=reversing valve energized in cooling
Note you should have marked them when removed from the old thermostat.
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