My 0ld thermostat has wires connected to R G Y W W2.I am trying to
replace my old one with Nest Thermostat. My Nest has 6 sockets R, G, Y,
W, C, OB. It does not have W2. Should I connect W2 into Nest OB? Or my
nest is not compatible with my old therm...
Hi Ken, Thank you always for your reply. I am sorry that I confused you.
In fact, heating works fine. As I just replied to Ebedia comment, I get
No power and M20 code. My question to her was what is the significance
of C-wire. What if I just go witho...
Hi Ebedia,Yes that is what I have. And I already have No Power and M20
code. My question is what if I don't want to have C wire connected. Not
having C-wire connected affect wi-fi connection? because my nest
thermostat does not connect to Wi-Fi. Also...
Hi Ken, I just installed Nest Thermastat, I connected W2 into OB*. Looks
all good but when I turn on the heat, I can hear that my furnace runs,
which is good. However, the room temp never reaches to the point I set.
I actually don't get heat air. It ...
Hi Ken,Thank you a lot for your quick reply and help. I did the check
and the checker says working with three types including nest thermostat.
And it was cheapest and that is why I went for it. But looks like I
need to upgrade it to nest learning th...