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17 69-2715ES—01
Installing your thermostat
Wiring (heat pump system only)
7B Connect wires.
Wire Wi-Fi thermostat to your heat pump.
a Match the labels on the wires to the
terminal labels on the new thermostat.
You must have a C wire. See page 15.
b Loosen screws, insert wires into holes
on inside edge of terminals, then tighten
screws.
c 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.
d Push any excess wire back into the wall
opening.
e
Continue to page 22.
Labels don’t match? See alternate
wiring key on pages 20–21.
MCR33529
RC
R
O/B
Y
G
C
HEAT PUMP
L
E/AUX
K
R
O
G
Y
C
AUX
Insert wire here