Honeywell RTH8580WF manual Alternate wiring key conventional system, Installing your thermostat

Models: RTH8580WF

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Alternate wiring key (conventional system)

Installing your thermostat

Alternate wiring key (conventional system)

1Remove metal jumper connecting R and RC only if you must connect both R and RC.

2If 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.

3Do not use K terminal.

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Honeywell RTH8580WF manual Alternate wiring key conventional system, Installing your thermostat