50
When quiet operation is stopped, operation is shifted to normal operation with previous setting.
When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed.
When operation mode is changed, quiet operation is shifted to quiet operation of the new mode.
During quiet operation, if ON timer activates, quiet operation maintains.
After off, when on back, quiet operation is not memorized.
• Control content
o Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of
Hi, Me, Lo for 3dB (more than 3dB for some models).
o Fan speed for quiet operation is -1 step from setting fan speed.
11.7 Powerful Mode Operation
• When the powerful mode is selected, the internal setting temperature will shift lower up to 35.6°F (for
Cooling/Soft Dry) than remote control setting temperature for 20 minutes and the fan speed will increase to
achieve the setting temperature quickly.
• Powerful operation stops condition
o When one of the following condition is satisfied, powerful operation stops:
Quiet button is pressed.
Stop by OFF/ON button.
OFF Timer activates.
Powerful button is pressed again.
Powerful operation continue for 20 minutes.
11.8 Timer Control

11.8.1 ON Timer Control

ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is
to provide a comfortable environment when reaching the set ON time.
60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to
determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time.
From the judgment, the decided operation will start operation earlier than the set time as shown below.

11.8.2 OFF Timer Control

OFF timer can be set using remote control, the unit with timer set will stop operate at set time.
11.9 Random Auto Restart Control
• When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within
three to four minutes. There are 10 patterns to be selected randomly after power supply resumes.
• This control is not applicable during OFF/ON Timer setting.
15 min
10 min
5 min
Indoor intake air
tem
p
erature
(
°F
)
86
77
86 95
Outdoor air
tem
p
erature
(
°F
)
Coolin
g
/ Soft Dr
y