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B thrush
Jun 6, 2013, 03:59 PM
How do I wire thermostat,air handler and condenser when air handler has only 3 control wires green,brown, and red

Grady White
Jun 6, 2013, 07:13 PM
Without knowing what those wires are for, we could only guess. Is there no diagram on the air handler? If not, & you can provide a make & model, maybe one of us can find a wiring diagram.