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Nest Thermostats
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Forum Posts

How to install wiring for nest learning thermostat?

Hi, my house has a Bryant FX4DNF049 AC unit with 8 wires. I’m hoping to see if anyone knows where each wire goes. Page 16 of the link below has some complicated wiring instructions I don’t understand. Thank you in advance!!!


Killing our capacitor

Since installing the Google Nest thermostat, we have had nothing but PROBLEMS! This is the 2nd year in a row that our capacitor has gone out on us. Our hvac guys have reason to believe it is the thermostat. Has anyone else had this problem????

Nest compatibility Mitsubishi electric HVAC

Hi, I have a Mitsubishi electric HVAC PEY-P30 system and would like to replace the Mitsubishi thermostat with a Nest thermostat. I checked the wiring but there is no such wiring as the ones on the Google compatibility checker. The original Mitsubishi...

Dubaa by Community Member
  • 6 replies
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Resolved! email to return my defective nest thermostat

My nest thermostat cannot get power from my heating(cooling system. I got an email requesting I call a number that is not in service. (Smooth move)How do I complete the return that is offered? I cannot reply to the thread that says to reply to it for...

pmarion by Community Member
  • 4 replies
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Thermostat Wiring

The Air conditioning wires do not detect in RS and RH ports. Due to this, the thermostat isn't working. Any suggestion on what can be done to resolve this

Nest sometimes not coming on or overshooting temp by 0.5c.

Hi all, nest pro 3 learning thermostat and when I adjust the temperature it's like there is a couple of different temps within each 0.5c. Also, sometimes when I set it to 19c and the thermostat is showing 18.5c it still hasn't come on to heat. Likewi...

Is my system compatible for Nest? Extra wires.

 Hi! Just got my Nest GA01334-US and I’m trying to understand if my home is GA01334-US compatible as the wires coming from my wall have different names than what is shown on my new new name plate. My old thermostat is a Honeywell.  Pictures for refer...

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Sgtjef by Community Member
  • 12 replies
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