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69-2718EF—03 18
Installing your thermostat
Alternate wiring (heat pump system only)
Use this if your wire labels don’t match the terminal labels.
Note: You must have
a C wire or equivalent.
See page 13.
See key to
1
–
7
on page 19.
MCR33886
EAUX
XW FH
B
W1
W2
X2
L
OG
F
C
R
VRM
VY1
B
X
RY
RC
HEA
T PUMP
AUX/E
G O/B
YRRCK
L
C
1
2
3
4
7
6
5
4