Then you should not have a power issue. Confirm your network is running
and devices can connect to it. Now use the Nest device, and select the
gear icon, select Network, select the network name and enter password.
See https://support.google.com/googl...
The consequence is you don’t have the ability to set the Nest to fan
only mode ( run the fan without heating or cooling). I’m ok with this
because I don’t use fan only mode. Also, the heating and cooling modes
will control the fan as needed. The alte...
I also have a 4 wire system. What I did was to use the G wire (typically
for fan control) and put it on C at the Nest and furnace control board.
Now I have full power and everything works. Note with this solution I
can no longer control the fan direc...
