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Nest Gen 4 smart ventilation help

Roger_C
Community Member

Friday

Just installed a nest gen4 from a first gen nest. I’m trying to wire the fresh air damper motor from a aprilaire unit. 
Question is the damper has 2 wire currently one wire on the C “common” and the other wire on vent output, so do I just remove the vent wire and put on AO+ and leave the other wire on the common?

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1 REPLY 1

Derickf
Community Specialist
Community Specialist

Tuesday - last edited Tuesday

Hi @Roger_C,

 

Thank you for posting in the community. I understand you've upgraded from a Nest 1st Generation to a Nest Thermostat (4th Gen) and need assistance confirming the wiring for your AprilAire fresh air damper motor. I'm happy to assist.

To gather the necessary information, please answer the following questions:

  • What is the exact model number of your AprilAire unit?
  • Do you have a picture of the previous thermostat wiring?

I'll be waiting for your reply.

 

Best regards.

Derick.

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