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Trane xr13 4twr3060b connected to Honeywell th5320u replace with nest

Trane xr13 4twr3060b connected to Honeywell th5320u replace with nest


  #1  
Old 01-09-18, 09:49 AM
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Trane xr13 4twr3060b connected to Honeywell th5320u replace with nest

greetings, Iíve searched posts and have not been able to find a similar configuration to change out a Honeywell thermostat to nest. I contacted nest support and they said they were unsure so Iím hoping the community can provide some assistance..
The unit is a Trane xr 13 4twr3060b / air handler Trane tam4a0c60 - electric

the current configuration on the Honeywell th5320 is:
brown and white wires doubled together in aux/e
green in g
orange in o/b
blue in c
Yellow in y
red in r with a jumper to rc

i connected the nest as:
yellow in y1
green in g
orange in ob
red in rc
white in w2/aux
brown in * and configured as emergency heat
blue did not get connected because the nest would not turn on when blue was in c

The nest settings are:
heat source - stage 1 electric / aux electric
heat type - forced air
heat pump - O

the system is turning heat on but Iím not confident I wired/configured it correctly. The nest support was concerned about the white vs Brown connection as to whether white is aux and brown is emergency heat.

Any my assistance is greatly appreciated,
Todd
 
  #2  
Old 01-09-18, 10:45 AM
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Welcome to the forums.

blue did not get connected because the nest would not turn on when blue was in c
That blue wire would need to be checked at the air handler for connection but if it was on the Honeywell C terminal.... it should be a usable C wire.

Many times with electric backup heat..... the brown and white wire connect to the same location in the air handler. That could also be confirmed at the air handler. I would leave it as you've wired it as far as white and brown.
 
  #3  
Old 01-10-18, 08:46 AM
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Thank you Pete! Iíll leave it as is since itís blowing heat and check the connection at the air handler to confirm the proper connection.
 
 

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