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Old 12-24-2011, 04:23 PM   #1
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Help with installing Trane TZEMT400AB32MAA Thermostat


Happy Holidays everyone!

I'm trying to install a new thermostat and am totally confused on the wiring from old to new. Can anyone offer any advise? Do I need to run a wire from RC to RH and stick the red wire coming out of the wall into either?

OLD:


NEW:


Not sure what to do with the Red wire.


Thanks in advance!!

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Last edited by alohadustin; 12-24-2011 at 04:31 PM.
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Old 12-24-2011, 05:23 PM   #2
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Help with installing Trane TZEMT400AB32MAA Thermostat


It goes in either the RC or RH, and RH and RC need to be jumpered together.

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Old 12-24-2011, 05:44 PM   #3
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Help with installing Trane TZEMT400AB32MAA Thermostat


http://www.trane.com/residential/dow...structions.pdf

Your manual shows heat pump wiring. No jumper between Y and W is required with this model (you probably already knew this).


Last edited by Houston204; 12-24-2011 at 05:54 PM.
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