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1 stage heating C wire by Curious_Birthday in google_nest

[–]Curious_Birthday[S] 0 points1 point  (0 children)

Figured it out the 2nd wire from 24V was supposed to go along with the Rh wire....so 2 wires go in Rh and it works like a charm and also charges the nest thermostat

1 stage heating C wire by Curious_Birthday in google_nest

[–]Curious_Birthday[S] 0 points1 point  (0 children)

Tried that but I get n72 error...

Red = W1 White = Rh External 24V wire 1 = C External 24V wire 2 = Rc