Honeywell Home Smart RTH6580WF1008 User Manual page 12

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