koppel KV24 ODU-ARF21C Service Manual page 132

Controller
AUTO LOW MED
HIGH
9. ON/OFF: For turning on or turning off the air conditioner
10. TIME ON: For time ON setting. Once pressing this button, the time will increase by 0.5 hour. When the
set time exceeds 10 hours, pressing the button will increase the time by 1 hour. Adjusting the figure to 0.00
will cancel time ON setting.
11.SLEEP: Press this button to go into the Energy-Saving operation mode. Press it again to cancel. This
function is only can be used on COOL, HEAT and AUTO mode and maintain the most comfortable
temperature for you.
12. TIME OFF: For time OFF setting. Once pressing this button, the time will increase by 0.5 hour. When the
set time exceeds 10 hours, pressing the button will increase the time by 1 hour.
Adjust the figure to 0.00 will cancel time ON setting.
13. LOCK (inner located): Push this button to lock in all the current settings, and the remote controller will
not accept any operation except that of the LOCK. Use the LOCK mode when you want to prevent settings
from being changed accidentally. Press the LOCK button again to cancel the LOCK function. A lock symbol
will appear on the remote controller display when the lock function is activated.
14. TURBO: Push this button to activate/cancel the Turbo function which enables the unit to reach the
preset temperature in the shortest time. On cooling mode, the unit will blow strong cooling air with super high
fan speed. On heating mode (applicable to the unit adopts PTC only), the PTC will bring fast heating
operation.
130 Electrical Control System