Installing your thermostat
Wiring (heat pump system only)
Labels don’t match? See alternate
wiring key on pages 18–19.
7
B 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
c
Loosen screw, insert wire on inside edge
of terminal, then tighten screw.
Verify wire is firmly secured by gently
pulling on wire.
d
e
Repeat steps a–c for all other wires.
Push any excess wire back into the wall
opening after all wires are installed
.
K
L
AUX/E G O/B
C
Y
R RC
HEAT PUMP
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.
Note: The wiring for your
application might be different
from the wiring shown above.
1
5
69-2718EF—03