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Nest blowing cold on heat setting

Markchartnett
Community Member

I have a 2 stage packaged ac and gas furnace with dehumidifier. System is blowing cold air when I run heat. I have changed the O/C setting and that didn’t help. When setting up the equipment, my heat option only allows electric which I think is my problem. Anyone have a suggestion?  Thanks. 

5 REPLIES 5

Patrick_Caezza
Platinum Product Expert
Platinum Product Expert

@Markchartnett 

Can you post a picture of the original thermostat wiring and one of how you have wired the Nest?


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Also, the aux heat works when I test it. 

@Markchartnett 

Can you post a picture of the terminal block in the air handler?

 


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Markchartnett
Community Member

@Patrick_Caezza 

see below. I can send additional pictures if you need them. Thank you. 

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IMG_8196.jpeg