15 69-2805ES—03
Installing your thermostat
Wiring (heat pump system only)
7B Wire Wi-Fi thermostat to your heat pump.
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.
Note: If old thermostat has separate wires on AUX and E,
place both wires into the E/AUX terminal. If old thermostat
has wire on AUX with a jumper to E, place wire on E/AUX
terminal. No jumper is required.
Labels don’t match? See alternate
wiring key on pages 18–19.
MCR33529
RC
R
O/B
Y
G
C
HEAT PUMP
L
E/AUX
K
R
O
G
Y
C
AUX
Note: The wiring for your
application might be different
than the wiring from above.
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