Google Nest Community

DKM · 10-18-2023

Compatibility chart says system is compatible. Electric Heat pump with emergency heat. But during setup I get a message that Nest is not compatibility. I put the E wire to W without jumper and O to o/b in nest. Others as marked.Existing wiring on TH4...

DKM · 11-05-2023

See my reply above. This Nest thermostat doesn’t have a * terminal.

DKM · 11-03-2023

Do you mean the orange wire that’s connected to E ?? White jumper wire connects E to Aux.

DKM · 11-03-2023

Thanks. White wire in the background is not connected to any terminal. Visible white wire in foreground is a jumper from E to AUX.

DKM · 10-26-2023

just reviewed the wiring on my phone, Nest Thermostat has Y-C-W-G-R-O/B. No aux.

DKM · 10-26-2023

thanks, traveling and will try again in 2 weeks. Dean

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