59 
13.9 Quiet Operation 
(For Cooling Operation or cooling region of Soft Dry Operation) 
•  To provide quiet cooling operation condition. 
•  Once the Quiet Operation is set at the remote control, the Quiet LED brightness will be dimmed. The sound level 
will reduce around 2dB(A) for Lo fan speed or 3dB(A) for Hi/Me fan speed against the present operation sound 
level. 
•  Dew formation become severe at Quite Lo Cool, therefore Quiet Lo cool operated only for 1 hour 30 minutes (1 
hour QLo, 30 minutes QLo + 80rpm) (for C12MK) and Quiet Lo cool operated only 1 hour 30 minutes (1 hour 
QLo, 30 minutes QLo + 50 rpm) (for C18MK, C24MK and C28MK). 
•  Manual Airflow Direction: 
o  RPM control during Lo cool 
 
(For C12MK) 
 
 
(For C18MK, C24MK and C28MK) 
 
 
o  RPM control during Hi & Me cool 
 
 
 
•  Auto Fan Speed 
 
 
•  Quiet operation stops when: 
o  Quiet button is pressed again. 
o  Stopped by OFF/ON operation button. 
o  Timer OFF activates. 
o  Operation mode button is changed.