1. Press POWER on the operation panel to turn on the portable air conditioning unit.
2. Alternately, press ON/OFF on the remote control to turn on the portable air conditioning unit.
3. Press MODE repeatedly to select Cool Mode.
4. Press TIMER OFF repeatedly to select the desired time to elapse before the unit turns off (E.g., 2.5h).
The unit will beep after 2 seconds.
5. The OFF timer is now activated. The Timer Off icon will display on the remote control.
6. When the timer has elapsed, the unit will switch off.
7. The Timer Off icon on the remote control will disappear.