Question about Heating & Cooling
My old mercury thermostat has W2-white, O-orange, X-blue, R-red, Y-yellow, and G-green wires. My new thermostat has E, AUX, Y, G, O, L, R, B, and C. I think W2 is AUX, Y-Y, G-G, O-O, R-R, but I don't know where my X-blue wire goes. Can anyone help me?
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Posted on Jan 02, 2017
The Vision Pro is a great t-stat and I have installed many of them with great results. I am wondering though if it is set up correctly. Did you go in and make sure that it is set for heat pump and for 2 stage heating? Look on the instructions how to get into the advance installer options. Go through that meanu and make sure that everything ig set correctly for your type of heating system and that it is set for 2 stage heating. From what you have here and I can tell the wiring should be okay that is why I think that it is in the t-stat programming.
Posted on Nov 16, 2009
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