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Only R and C wires? Will Nest work?

nmonnin
Community Member

I only have R and C wires attached to my old thermostat. There are other wires, but they are not attached to anything. Will Nest work??

 

Thanks,

9 REPLIES 9

EdwardT
Community Specialist
Community Specialist

Hi nmonnin,

 

Thanks for reaching out. It's possible that your current thermostat is using a proprietary system. Could you share how your current thermostat is wired? Also, please let us know the make and model of your current thermostat so we could investigate further.

 

Thanks,

Edward

EdwardT
Community Specialist
Community Specialist

Hi nmonnin,

 

Thanks for the response. That's an unusual wiring. If possible, please check the control board of your HVAC system so we could see where the other end of your wires are connected to.

 

Thanks,

Edward

nmonnin
Community Member

Thanks.  I’ll do that here in a bit

EdwardT
Community Specialist
Community Specialist

Hi nmonnin,

 

Just checking back in. Were you able to check the control board of your HVAC system? Let me know if you have questions and we'd be glad to assist you.

 

Thanks,

Edward

nmonnin
Community Member

https://drive.google.com/file/d/1DuY4LKPFUjnpuI3gI3YcHRG1nH4Bhi8E/view?usp=sharing

 

Hey Edward,

Thanks for the reminder.  That link I shared contains a photo of the control board.

 

Many thanks for taking a look at this,

nik

EdwardT
Community Specialist
Community Specialist

Hi nmonnin,

 

Thanks for the update. It looks like your system is using a proprietary system. I would suggest reaching out to our Nest Pro services regarding this. You could click on this link to learn more about our Nest Pro services.

 

Thanks,

Edward

MelbaDT
Community Specialist
Community Specialist

Hey there, 

 

Checking back in should you have further questions here. Let us know by replying to this thread. 

 

Best, 

Melba

Ryan_G
Community Specialist
Community Specialist

Hey there,

 

Thanks for being here in the Google Nest Community. 

 

I'd like to bump in here and make sure that you’ve seen our response.

Please let us know if you have any other questions or concerns as I will be locking this thread in 24 hours.

 

Have a great day.

 

Best regards,

Ryan