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Installing your thermostat
Wiring
conventional
For
conditioner), see page 8. See "Glossary" on page 37 for further definition.
heat pump
For a
system, see page 11. See "Glossary" on page 37 for further
definition.
Wiring (conventional system)
7A Wire the thermostat to your conventional system.
a Starting with the C Wire, match the sticky tag on
the wire to the terminal labels.
You must have a C wire.
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 12.
Labels don't match?
wiring key on pages 10.
69-2715EF—07
heating/cooling systems (natural gas, oil or electric furnace, air
See alternate
K Y2
K
Note:
application might be
different from the shown
above.
8
Remove metal jumper
only
if you have both R
and RC wires
W2 G
W
C
Y R RC
L
G O/B
C
Y
R RC
AUX/E
The wiring for your
CONVENTIONAL
HEAT PUMP
MCR33878
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