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69-2809EF—03 16
Installing your thermostat
Alternate wiring (Conventional System)
Use this if your wire labels
don’t match the terminal labels.
Note: You must have a C wire
or equivalent. See page 11.
See key to
1
–
2
on page 17.
MCR34541
C
R
W
Y
G
2
1
2
C
K
Rc
R
W-
O/B
Y
G
W2-
Aux/E
Y2
L
W1
W2
Y2
RH
4
V
Rc
R
C1
X
B
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