Nest Thermostat Wire Diagram. 5.4 open the hvac equipment cover. The nest thermostat can be easily connected to a 4 wire hvac system, which typically includes a red wire for power, a white wire for heat, a yellow wire for cooling, and a green wire for fan control.
This wire is used to connect the cooling system. By following the wiring diagram and correctly connecting each wire to the corresponding terminal on the nest thermostat, you can enjoy all the benefits of.