Nest Wiring Diagram No C Wire. As you may know the nest power sharingstealing system isnt great for some heating systems. The 3rd generation nest thermostat can only.
If theres an orange wire in the connector labeled both w and ob then you likely have a heat pump. The nest power connector is an affordable c wire substitute for homes that dont have one. We teach you how to install a c common wire on the nest thermostat nest thermostat.
If there is no wire connected to the c terminal at the hvac board you most likely do not have one.
Wiring 92 corvette wiring diagram. Written by darlene j gonzalez saturday august 14 2021 add comment. The nest app and home app will also let you know if your system is compatible and give you a wiring diagram for installation. Nest line voltage thermostat nest and size.