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Nest 2 wiring

GWS1961
Community Member

‎09-01-2023 11:15 AM

I have a Trane System and I have RDB connections with the same color wires.  Not surethumbnail_IMG-0812.jpg

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GWS1961
Community Member

‎09-01-2023 11:18 AM

d wire is green not sure of connection to the google thermostat.

 

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zoeuvre
Community Specialist
Community Specialist
In response to GWS1961

‎09-04-2023 02:36 PM

Hi GWS1961, 

 

Thanks for posting here in the Community forum and for showing interest in our Nest Thermostats. I see that your current thermostat has the non-standard labels of D,R, and B which means that your system is proprietary. 

 

Proprietary systems aren’t compatible with Google Nest Thermostats. However, some proprietary systems can be rewired by a pro installer to be compatible.

 

Let us know if you have any other questions. We're happy to help. 

 

Best,

Zoe 

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