What is th Model number of air handler and what is the problem with wiring. Rus
Blue does to Reversing valve outside. Red is power Brown is Common Purple and BK/W go together to white from outside and thermostat. green goes to G for fan. Rus
From thermostat. R Red to Red at air handler and to red outside. C Brown to Brown in air handler to brown outside... Blue or B on thermostat goes to outside blue. G goes to Bk/G on air handler... W on thermosat goes to Blue/White at air handler..Purple on air handler goes to purple outside. Y or yellow on thermostat goes to Yellow outside unit
Here is a link to the wire diagram for a BHP, however if your air handler is 10 years old are you sure it's a BHP? Also, it will make a difference on how many elements you have so if this one wont work let me know the complete model.
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