I have made multiple failed attempts to get meaningful guidance from
NEST, Google, DuoZone tech support, our local heating contractor (that
had installed the DuroZone system), and the NEST professionals with
OnTech for use of NEST thermostats in our ...
Probably should also be sure the power is on the to cooling system. We
have an outsider shutoff for the compressor that could keep the system
from running, yet might show that cooling is on at the thermostat.
A number of things come to my mind with this situation:Not sure where
you're located and what the outside temperatures are, but a few weeks
ago when it was in the 30s here in WI, we couldn't get the AC started
probably because the Nest knows what the...
If you have a heat pump, I think the labels for the wires should be
those on the lower row of your original thermostat which is labeled
"heat pump" (L to R: L, Aux/E, G, O/B, Y, R, Rc). This would make the
orange wire the "O/B" lead (instead of W). F...
Have just conquered a two zone HVAC forced air system with two Nest
Learning Thermostats. The challenges I faced were (1) the lack of power
(the C wire) and (2) the switching between heating and cooling. I've
posted elsewhere in this community a deta...
Though I'm not sure about the specifics of your application, I have read
a number of posts in several forums regarding the lack of the C wire.
Many of these posts have suggested powering the thermostat with a
doorbell like transformer to essentially ...