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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I replaced my thermostat with a new Honeywell wifi unit.

Customer Question

I replaced my thermostat with a new Honeywell wifi unit. Used a honeywell adapter foor the 5 wire prooblem. I have power to the thermostat & it turns on the fan at the furnace but the AC will not work.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Give me model on thermostat ,ac unit and tell me how you have it wired. A picture of thermostat wiring would be great if you can send one using the paperclip icon on screen