Where to begin? Just received a free Nest thermostat from my power
company (SRP). Removed the Honeywell (4 wire heat pump system) and
logically mapped the wires to the Nest (semi-verified with the confusing
available internet info). Trouble with inte...
Finally a solution. I report it here in case it helps others. My Trane
system had a blue wire connected at the air handler but not at the
thermostat. We dug the blue wire out of the multi-conductor wire and
attached it to the Nest. The system worked ...
Thanks, I'll try though I had problems before. Check the link I embedded
above for a semi-lengthy discussion trying to debug my problem. Cliff
note version: our air-handler has a (previously unused) C wire which
I've connected and moved green back to...
An update: I got rid of several errors and got normal working via the
Android app by paying attention to this thread
which seems to address a system like mine. Net: put the green wi...