Google Nest Community

Pjwalters1592 · 05-10-2023

What are the terminal (Y, C, W, G, R, *OB) functions? I could not determine the wire colors on my old thermostat, but I have traced the wires back to the system control board and know their functions. I just need to know where I should connect them t...

Pjwalters1592 · 05-06-2023

I’m not sure if my system is compatible with the Nest. Please don’t refer me to the Nest website. It led me nowhere.

Pjwalters1592 · 05-17-2023

Hey, thanks for checking in. I found that the Y terminal in the nest itself is bad. I sent it back under warranty. Thanks again!

Pjwalters1592 · 05-12-2023

I found that the Y terminal in the Nest is bad. I’m sending it back under warranty. Thanks for your help.

Pjwalters1592 · 05-11-2023

These are the connections in the heating a cooling system. The 4 wires from the thermostat are Red, Green, Orange (Y?), and White. Here are the connections at the Nest. I have heat but no AC

Pjwalters1592 · 05-10-2023

I can’t get to the Nest until tomorrow, but I’ll let you know. I think you solved my problem. Thanks!

Pjwalters1592 · 05-09-2023

Got it! Thanks for your help

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