Gas heat, we try to use white in the thermostat wires to bring the gas
heat in green wire, fan, red is 24 volt hot, blue is common ,yellow cool
, This is how I wire my thermostat is simply pull the cover off see what
wires they got going to which des...
What you have is a tech that used uncommon wiring colors due to what was
in the wall, looks like a heat pump, w1/w2 are your auxiliary and
possibly emergency on w2 or second stage auxiliary, that brand of t-stat
is known for advertising it does aux h...
Depends on which nest you have, although I’ve never wired this brand
without a common wire on the t-stat I’ve read where it’s the basic model
that needs the c-wire. If your nest has a rc terminal then u can
eliminate the common and your good