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Need wiring for honeywell pro 3000 in trane xe1200

Need to wire honeywell pro 3000 thermostat,2 heat/1 cool in a trane xe1200,with original weathertron thermostat

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  • mwknitro May 16, 2009

    it is a pro 3000.2 heat/1 cool

  • mwknitro May 16, 2009

    bought from trane

  • mwknitro May 17, 2009

    0=orange,g=green,y=yellow,x2=black,b=blue,t=brown,r=red,w=white.i have it hooked up and ac is working fine.switched to heat and was heating.i dont want to mes something up.anything else to look for or do?thanks for your time

  • mwknitro May 17, 2009

    i have a light brown/tan color wire that comes from thee small circuit board outside.it is marked t1.do you know what that wire is for or does?

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The pro 300 is a single stage thermostat and can not be wired to control 2 heat stages seperately

Posted on May 16, 2009

  • HANK MCNEIL May 17, 2009

    what wires do you have and what terms are they connected too on the old stat?

  • HANK MCNEIL May 17, 2009

    Can't know for sure w/o seeing how other end is connected , but that sounds right if it was wired right to begin with.

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Thermostat Wiring and Terminal Designations


Here is a list of each common terminal and what their commonly used for. Also listed is what colors are commonly used. NEVER ASSUME these are what you have. Verify all your wires by following each to each piece of equipment. This will help you to be able to match your equipment with the terminal.

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The wires that always cause the most confusion are the B and X wires.
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Trane, GE, York and some other manufactures which includes older Honeywell thermostats often use it for the common side of the transformer.
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