Honeywell RTH8580ZW - Alternate Conventional Wiring

7 33-00131ES—01
Installing your thermostat
MCR35009
Y2
W2
K
Y2
W2
2
RC
R
W
Y
G
C
Rc
R
W
Y
G
C
3
4
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 5.
1
2
3
4
Remove metal jumper connecting R and RC only if you must connect both
R and RC.
If your old thermostat had both R and RH wires, remove metal jumper.
Connect the R wire to the RC terminal, and the RH wire to the R terminal.
Do not use K terminal. For future use.
Alternate wiring key (conventional system)
2
3
1