Lennox LICH4012021T431E-1, Service Manual

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Controller
Electrical Control System
160
3.2 Wired Remote Controller
3.2.1 KJR-12B
Name and functions of buttons on the wire controller
1. Mode button: When press this button, the operation mode change as the following sequence:
Remark: For the cooling only model, the heating mode is skipped.
2. Timer on button: Press this button, timer on function is active. Then every press, the time increase 0.5h,
after 10h, 1h increasement after each press. If cancel this Function, just set it to "0.0"
3. Timer off button: Press this button, timer off function is active. Then every press, the time increase 0.5h,
after 10h, 1h increasement after each press. If cancel this function, just set it to "0.0" .
4. Follow me button: When under cool, heat and auto mode, press this button, follow me function is active.
Press again, this function is ineffective.
5. Electrical heater button: If press this button in heat mode, electrical heater function become ineffective.
6. Reset button (hidden): Use a 1mm stick to press in the little hole , then the current setting is canceled .
The wire controllers enter into original state.
7. ON/OFF button: When in off state, press this button, the indicator is on, the wire controller enter into on
state, and send setting information to indoor PCB. When in on state, press this button, the indicator is
off, and send instruction. If timer on or timer off has been set, it cancel this setting then send instruction
to stop the machine.
AUTO COOL DRY HEAT FAN