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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?
wiring key on pages 18–19.
Note:
application might be different
from the wiring shown above.
15
See alternate
G O/B
C
K
L
Y
R RC
AUX/E
The wiring for your
69-2803ES—05
HEAT PUMP
MCR33877
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