Question about Heating & Cooling
My thermastat want stay set on one temperature,making my electrical bill real high what do i do change out the thermastat?
Posted on Jan 27, 2010
Heat pump Thermastats have Terminals RYW/OW2 G C. I run into this a lot with people buying tStats at home depot. To wire three sages of heat you must have correct tstat. one stage cool and three stage heat. You have to have enough wires at the Tstat. I use white first stage brown second and grey or black third. Make a diagram where each wire goes. Remember to trun of air handler power or you will short the transformer or blow low voltage fuse. Yellow cool, green fan, most of the time blue is c unless it is a battery tstat. orange is O. Red R ot power wire. Rusty
Posted on Jun 03, 2009
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Posted on Jan 02, 2017
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