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69-2715ES—01 16
Y2
W2
K
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
R
W
G
C
Y
HEAT PUMP
CONVENTIONAL
L
E/AUX
K
MCR31541
Installing your thermostat
Wiring (conventional system)
7A Connect wires.
Wire the Wi-Fi thermostat to your conventional
system.
a Match the labels on the wires to the
terminal labels. You must have a C wire.
See page 15.
b Loosen screws, insert wires into holes
on inside edge of terminals, then tighten
screws.
c Push any excess wire back into the wall
opening.
d Continue to page 22.
Remove metal jumper
if you have both
R and RC wires
Labels don’t match? See alternate
wiring key on pages 18–19.