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Hi, I am changing out my trane 3aat80b1a1 thermostat to lux atx9100e. Wiring changeover seems to be straight forward up to a point. I have questions about the T,X2,F wires that are currently being used by a brown,black,pink wire respectively. These are for the T-outdoor thermistor, X2-outdoor thermostat, F-compressor monitor. Should I hook these up to the new LUX model or not worry about them and tape them off? Maybe get a different thermostat? Thanks in advance....

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If you don't have an outdoor t-stat tape them off

Posted on Feb 07, 2010

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Note: W2 is most often used for heat pumps to control what is called emegency heat or Auxillary heat, and most often will use the white wire.
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