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69-2718EF—03 14
Installing your thermostat
Wiring (conventional system)
7A Wire the Wi-Fi thermostat to your conventional system.
a Starting with the C Wire, match the sticky tag on the
wire to the terminal labels.
You must have a C wire. See page 13.
b Loosen screw, insert wire on inside edge
of terminal, then tighten screw.
c Verify wire is firmly secured by gently
pulling on wire.
d Repeat steps a–c for all other wires.
e Push any excess wire back into the wall
opening after all wires are installed.
f Continue to page 20.
Labels don’t match? See alternate
wiring key on pages 16–17.
W2
G W
YRRCK
Y2
C
MCR33878
Y
HEAT PUMP
CONVENTIONAL
AUX/E
G O/B
YRRCK
L
C
C
G
W
R
Remove metal jumper
only if you have both
R and RC wires
Note: The wiring for your
application might be different
from the shown above.