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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!!!


Reconnecting nest to heating controls

My wife in her drive to save on fuel costs has unplugged our nest thermostat and this morning is complaining there is no hot water, surprise surprise, now I have retrieved the nest thermostat from the cupboard she hid it in I now cannot reconnect the...

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
  • 0 kudos

Google Nest Thermostat E Equipment setup

Hi, I'm wondering if anyone can help me. I've been all over the web and Google support and can't seem to find a clear answer. I just moved into a home that has a Google Thermostat E and had reset it to factory setting in case it's still connected to ...

NewMover23 by Community Member
  • 15 replies
  • 0 kudos

No cooling option

Installed the thermostat but no cooling option? Have blue to c, white to w, yellow to g and red to r 

Jo42 by Community Member
  • 7 replies
  • 0 kudos

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
  • 0 kudos

Nest E not connecting to app

Can’t connect Nest E to Nest IOS app. When I use the Nest app and scan the QR code, it then opens the google home app this then wants me to enter my Nest credentials which is a downright fail, as my Nest credentials are using google authentication. S...

MacDude by Community Member
  • 7 replies
  • 0 kudos

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