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drdukes22
Community Member
since ‎11-30-2023
‎12-06-2023

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My problem is a Yellow wire that attaches to an "X" terminal on the old thermostat. I have the following wiring diagram:Red - RIIWhite - WBlue - GYellow - XGrn - C RC, and Y unused.Any thoughts on how to wire the thermostat correctly?