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69-2809ES—03 18
Installing your thermostat
Alternate wiring (Heat Pump 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
–
7
on page 19.
MCR34542
C
R
O
Y
G
3
1
C
K
Rc
R
W-
O/B
Y
G
W2-
Aux/E
Y2
L
4
5
6
AUX
X X2
Y2
2
B
7
X
B
Rc
R
V
VR
2
L
F
W W1
W2