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11 69-2715EF—07
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 8.
Alternate wiring key
(Conventional System)
1
• If you have both an R and Rc wire, unplug the jumper loop by pulling on the wire
loop.
• If your old thermostat had both R and RH wires, connect the R wire to the Rc
terminal, the RH wire to the R terminal, and unplug the jumper loop.
MCR36751
C
R
W
Y
G
1
1
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
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 8.
MCR36752
C
R
O
Y
G
2
C
K
Rc
R
W-
O/B
Y
G
W2-
Aux/E
Y2
L
3
4
5
AUX
XX2
Y2
1
B
6
X
B
Rc
R
V
VR
1
L
F
WW1
W2
33-00593ES_A.indb 1133-00593ES_A.indb 11 9/20/2021 7:09:52 PM9/20/2021 7:09:52 PM
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