How do Ichange from trane thermostat 3AAT80B1A1 two stage to a honeywell Th321OD wire [Archive]

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sonnychandler

Sep 10, 2008, 02:38 PM

I need a wiring diagram of the trane Thermostat

hvac1000

Sep 10, 2008, 04:06 PM

Read the directions that came with the new thermostat.
Before removing the old thermostat label wires or write down the color and the terminal that wire was on.
Then follow the directions included in the new thermostat. It is all explained there.