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sportsfan268
Jun 24, 2009, 06:35 PM
I need to know the wire diagram to a 4 wire AC unit. I replaced the thermostat and it doesn't seem to be working properly. I think I may have it wired wrong.

Joshdta
Jun 24, 2009, 07:35 PM
r= red jumpered to rc/power
w=white/heat
y=yellow, or sometimes blue (if no yellow)/ac
g=green/ fan

veedogg40
Jul 25, 2010, 12:32 AM
No, sorry... the wires coming from the thermostac... to the heater and the 2 wires coming from the a/c condersor?