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rlvarcoe 11-21-2006 03:47 PM

Help need on honeywell 8600
Hi all, hope some one can help. I replaced my old thermostat and am putting in a honeywell t8600. The wires coming out of my furnace are red, white, yellow and a purple grounded to the furnace itself. The furnace is a gun100. on the back of the honey well are o,g,b,y,w,rc/r

this is a gas heat only system with no air. I'm asuming


now about the purple ?



#CARRIERMAN 11-21-2006 03:57 PM

Hi rlvarcoe

If you go to the post thermostat wiring by hippe. Let me know if you need any help past that. In that post mdshunk and I put the nomenclature for the wiring.

Good luck

rlvarcoe 11-21-2006 05:03 PM

Hi tnx Rusty... I hooked up as I stated but left out the purple... seems to run ok thus far. If I am doing it wrong I hope someone points it out to me...


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