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Step 2
Wire the thermostat
At your new thermostat, for each wire:
1. Loosen the screw, insert wire on inside edge
of thermostat terminal, then tighten screw.
2. Verify wire is firmly secured by gently
pulling on wire.
3. Repeat steps 1 and 2 for all wires.
a. Match the wires labeled R and W to
the R and W terminals.
b. Match the wire labeled Y to the C
terminal.
c. Match the wire labeled G to the K
terminal.
4. Push any excess wire back into the wall
opening after all wires are installed.
Note:
The wiring for your application might be different from the wiring shown here.
Remove metal jumper
only if you have both R
and Rc wires
K Y2
W2 G W
C
K
L
G O/B
C
AUX/E
4
Y R
Rc
CONVENTIONAL
Y
R Rc
HEAT PUMP
MCR35231
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