Hello, I have a Trane XV90 with a Trane XL19i heat pump. The system has
two stage heating and two stage cooling. I wired up my nest learning
thermostat and can only get the two stage cooling to run, and no
heating. I have included pictures of the ori...
Hello,I was wondering if there is any Nest thermostat that is
compatible with a Trane XV90. I am open to any Nest or smart
thermostat.The wires run to my current Trane thermostat are:Y2 - orange,
W2 - black, R - red, W1 - white, Y - yellow, G - gree...
Maybe I don’t have my nomenclature correct. I have an XV90 inside my
house and a big unit outside that says XL19i on it. I assumed it was a
heat pump but sounds like I’m wrong. Does that change the wiring
configuration? Thanks again