15
69-2718ES—01
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.
MCR33877
G O
Y
R
HEAT PUMP
AUX/E
G
O/B
Y R RC
K L
C
Aux
Note:
The wiring for your
application might be different
from the wiring shown above.
69-2718ES_A.indd 15
8/13/2012 3:00:19 PM