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sanbsetty · 07-18-2023

Hi, Attached current wiring of my first floor unit. I successfully replaced the upstairs thermostat to nest as it was straight forward.I understand that Rh Rc connection is not required. But, I do not understand the orange wire between B/C and Aux2 H...

sanbsetty · 08-15-2023

Hi JenelynI think I managed to get the thermostat working. Thank you

sanbsetty · 08-10-2023

From the AC tech I was told the black wire could be for humidity control and I have Nest learning thermostat. Does that mean I should change the black wire to W2/aux instead of * ?

sanbsetty · 08-09-2023

I connected the black wire to * and AC is working fine, not sure why you suggested it should go to W2/Aux

sanbsetty · 07-27-2023

Hi Mark, thank you for your reply. I am looking specifically at the black wire to Aux2 and the orange wire from B/C.I spoke to a ac technician and he thinks it could be to control the air vent. As our a/c is a single stage system.

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