hvac - why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5? - Home Improvement Stack Exchange
Heat Pump Thermostat Wiring Chart Diagram Quality 101
Company installed 2-stage heat pump. Stat wiring looks off to me. The stat itself says to not install a wire on W for heat pumps, and yet there it is. Can someone
I'm getting heat when calling for air conditioning
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