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Nest compatibility

colortrilogy
Community Member

‎08-21-2024 08:17 AM

Hello. I have dual fuel system. About 15 years old. Conventional furnace and a heat pump/air-conditioning. The compabilty flow chart sent me here for further guidance. Any help is appreciated.  Photo of wiring linked below.

 

https://photos.app.goo.gl/gGHSb1fYmgtpYBgb6

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jenniffert
Community Specialist
Community Specialist

‎08-24-2024 10:33 AM

Hi colortrilogy,

 

Thank you for posting in the community! I'm happy to help with your concerns about compatibility with your HVAC system.

 

I appreciate all the information you've provided, including the picture. Based on the information, your Nest thermostat will not need a jumper. Also, the S1 and S2 labels aren't necessary to connect to the Nest thermostat. These labels can be used for an indicator or to get sensor information, which the thermostat already has built-in. For reference, you can check out this article: Identify a thermostat wire.

 

To help me assist you better, could you please share the make and model of your HVAC system and let me know if you have two separate systems?

 

Let me know if you have more questions.

 

Best regards,

Jenniffer

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