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View Full Version : Wiring a thermostat from scratch


keithjonessr
Feb 17, 2008, 02:22 PM
I am installing a new thermostat and I disconnected the old one without marking the wires. I have a carrier unit and the wires are light blue, yellow, red,white, green and orange. I have a ritetemp thermostat. Please give me suggestions on getting it installed correctly.

T-Top
Feb 17, 2008, 06:41 PM
Blue- c common, red- r 24v, green-g blower,yellow-y compressor cooling and heating,orange-o reversing valve cooling mode,white-w aux heat or second stage heat.