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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.
Alternate wiring key (conventional system)
1
Do not use K terminal. For future use.
If your old thermostat had both R and RH wires, remove metal jumper.
2
Connect the R wire to the RC terminal, and the RH wire to the R terminal.
Remove metal jumper connecting R and RC only if you must connect both
3
R and RC.
69-2715EF—07
Y2
W2
G
W
F
W1
H
1
Y2
W2 G
W
K
10
2
C
Y
R
RC
X
Y1
RH
R
B
M
4
V
C1
C
Y
R RC
CONVENTIONAL
3
MCR33885
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