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Yes you probably did. First question: Why did you replace thermostat? (This will give us a better clue as to what is actually wrong since thermostat is rarely the problem.) You'll have to give us more info. What brand and model thermostat, furnace and ac do you have. How many conductors (wires) are at thermostat location? And what color are they? Also make sure that the thermostat is set to either gas electric or heat pump. Model numbers will tell us. Another possibility is that there's a short in your wiring.
Generally, you would go from the thermostat to the air handler, and then, from the air handler to the outdoor unit. I don't know if you have a heat pump or not, so I will give you a simple diagram and you can contact me if you need more.
Thermostat : Y G R W and sometimes C Air handler: Y G R W and C Outdoor unit: two wires connecting to the contactor ( not heat pump)
Thermostat; Y--------------Y(air handler cooling)------------------one side of contactor, outdoor unit G-------------G (air handler, fan) R--------------R (air handler ,hot) W-------------W (air handler, heat) C--------------C (air handler, common)------------other side of contactor, outdoor unit
This is a typical wiring diagram. Just contact me if you have something different. Hope this helps. Stay cool. mark
You need a "Y" terminal. "Y" is pretty standard on every heat pump. It is the wire that will energize the compressor contactor at the outdoor unit, allowing the compressor and condensor fan to run.
Sounds like it isn't wired correctly. Check wiring diagram that came with thermostat. Also check to be sure thermostat is for both heating and cooling.
The outside fan may run if the unit is in defrost mode this is normal for most heat pumps it is there way of trying to keep the outside unit from staying iced over so the next time the unit runs it will have air flow through the coil and the ice will not be there to prevent air flow.
I can give you a start, For heat only, R terminal on furnace to Red wire to R or RH terminal on thermostat. W terminal to White wire to W terminal on thermostat. G terminal to Green wire to G terminal on thermostat. This will get you heat but not air conditioning.
we are trying to install a goodman heat pump with a rheem air handler, the orange wire is hook up and the unit is still staying in the heat mood. does anyone have a wiring diagram for the air handler, their is some white wires in the air handler one with a purple strip and one with a black strip we need help
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