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Wiring Help for W/E and W2 wires with jumper

garrett16
Community Member

‎02-20-2024 10:35 AM

I know to ignore the jumper wire but this system has me a little confused with what to do with the wire that is currently on W/E and W2. I have a heat pump system one of these is for the emergency heating element but I am unsure what I should do with the brown wire going into W2IMG_0193.jpeg

 

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Sparkdizzy
Community Member

‎03-01-2024 07:18 PM

I have the exact same setup as Garrett16, and the same question.  Trying to convert to Nest Learning Thermostat.  Any help on this topic could kill 2 birds with 1 stone!  Thanks so much.

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RenzJ
Community Specialist
Community Specialist

‎03-06-2024 10:41 AM

Hi everyone,

 

Thanks for posting here in the Google Nest Community forum. I'd be happy to shed some light on your situation here. Our Nest Thermostat has an E terminal for emergency heating. We’ll be able to give you guys a wiring diagram for your setup if you could also send us a photo of your HVAC control board wiring. 

 

If the other end of the wire is connected to the E terminal on your HVAC, you can connect it to the E terminal of the Nest Thermostat and set it up as emergency heating during the setup stage. 

 

Keep us posted.

 

Best,

Renz

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