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Is my thermostat wiring compatible?

rgaila
Community Specialist
Community Specialist

Disclaimer: This thread was migrated from our previous version of the Google Nest Community. You can continue to receive updates on your thread issue here or simply ask, browse or more in the new Google Nest Community.

Original Poster: Matthew Vanderbrook 

Just want to understand if my wiring is compatible

5 REPLIES 5

rgaila
Community Specialist
Community Specialist
 
My apologies for the delayed response, and welcome to the community! I totally can understand the confusion behind wiring setups. Let's see how yours will work out. 
 
It looks like your wiring system is compatible as it looks like a conventional setup: you have a secondary heat wire (W2), a fan (G), primary heat wire (W), a common wire (B), cooling (Y), and heating/cooling wire (R). As the Nest Thermostat does rely on additional charging power through your HVAC system, it's important to know that it's provided through the blue B wire if you're setting it up (also called a C-wire). (Here's more info on identifying wires.)
 
However, since we can't be exactly sure about the particulars of any given HVAC system, we always recommend contacting a pro to to advise or help install if you have any issues with setup. 
 
The Nest app can provide a wiring diagram as well to make setup easy. I hope these resources help! Please let us know if you have any other questions for us. 🙂 
 
-From Ai, Community Specialist.

Bioni1978
Community Member

I have two wires black and red Iam compatible 

MelbaDT
Community Specialist
Community Specialist

Hey Bioni1978, 

 

Thanks for reaching out. 

 

Quick question — what system do you have? Also, could you provide a clear photo of your current thermostat wires showing the labels of the terminals? Alternatively, you can also check your system’s compatibility before purchasing a Nest thermostat with our online Compatibility Checker. Take a look at this link for more information: https://bit.ly/3qZ6OQ1

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hey there, 

 

Checking back in — how's it going? Still need our help here?

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hi, 

 

We haven't heard from you in a while so we'll be locking this thread if there is no update within the day. If you have any new issues, updates or just a discussion topic, feel free to start a new thread in the Community.

 

Best, 

Melba