10
If your existing
thermostat is marked...
label the wire
with this sticker:
rH / r / Vr / 4
rH
rH
24 Volt
rC / VC
rC
rC
24 Volt Cool
Y / C* / M
Y
Y
air conditioning
compressor
W / H
W
W
heating
G / F
G
G
fan
* See pg 27 for complete wiring diagram.