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lux tx500

Posted by mark on December 17th, 2002 03:18 PM
In reply to Lux TX500 Thermostat by meggon on December 16th, 2002 05:52 PM [Go to top of thread]

Do you have a hot water system? If you have
forced air, the red and white wires are for heat.
If you also have A/C, then the yellow(or possibly
blue) wire controls A/C. If you don't have A/C,
then the remaining wire (possibly green) is for
the fan auto/on switch on the thermostat.

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