Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
Have a honeywell2520 7 day progammable thermostat it only has 5 term. i have 6 wires coming out of the wall 1 green,1 red,two black and two white can't figure it out what wires go where
Do you have an a/c. you need to go to the furnace and find ware the t-stat connection is the connections will be R= power, w = Heat, G = fan, Y = cool, C or X = common, you will connect the same wires that connect to the furnace to the connections R G Y W C on your tstat. for the 2 black and 2 red i would turn off the power to the furnace twist one black and one red together then take a continuity test between the reds and blacks that will tell you witch ic witch.
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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