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Help wiring up a Nest.

Ragecalm
Community Member

I have a Nest 3rd Gen learning Tstat. I am currently having issues with wiring. Initially my connections were as follows Y to Y1, G to G Orange to OB, Blue to C, Red to Rh, White(Brown wire spliced in)to W2. That set up came up with no power to Nest. I then traded out certain wires based on a friend's advice but to no avail. The original Tstat is currently installed and working fine. I then searched forums and someone said try disconnecting the blue wire which I did. The blower came on but I got no AC or heat.... I am at a loss and would greatly appreciate any help! The picture with the blue attached to C yielded no power to nest. Without Blue to C I got blowers but no temp change hot or cold. Other picture attached is original Tstat.

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4 REPLIES 4

Patrick_Caezza
Diamond Product Expert
Diamond Product Expert

@Ragecalm 

Give this a try.

Move the white wire from W1 to W2/AUX

Move the red wire from Rh to Rc

Then reset to factory default and set it up again

Also, check in the air handler and verify that the blue wire is connected to the C terminal there. If it isn't, then connect it.


To ensure that I see your reply, please tag me using @Patrick_Caezza

zoeuvre
Community Specialist
Community Specialist

Hi Ragecalm,

 

I wanted to check and see if you managed to see the information that Patrick_Caezza has shared. Please let me know if you have any questions from here. I would be happy to assist and make sure you are good to go.

 

Thanks for your help, @Patrick_Caezza


Best, 
Zoe

Jake
Community Specialist
Community Specialist

Hey Ragecalm,

 

I wanted to check in and see if you are still in need of any help. Please let me know, as I would be happy to assist, and answer any questions you may have.

Best regards,
Jake

Jake
Community Specialist
Community Specialist

Hey there,

 

I wanted to check in, and let you know that I will be locking the thread in 24 hours.

 

Best regards,

Jake