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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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ThanksRTH9580 wifi., Yes. I just installed a When I turn it

Customer Question

ThanksRTH9580 wifi., Yes. I just installed a When I turn it on cool the heat turns on. I think I must have a wire mixed upp
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Filters are new. I'm replacing a Honeywell Ultrastat
JA: Do you plan on doing the work yourself?
Customer: I did and it went fine. Just heating when cooling is selected.
JA: Anything else we should know to help you best?
Customer: The yellow wire was connected to to the "Y" and "W' on the Ultrasta
Submitted: 10 months ago.
Category: HVAC
Expert:  BillyHvac replied 10 months ago.

Is this a heat pump or a gas furnace with ac?