17
69-2718EF—03
Installing your thermostat
Do not use
K terminal. For future use.
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.
Remove metal jumper connecting
R and RC only if you must connect both
R and RC.
Alternate wiring key (conventional system)
2
3
1