40 
12.8 Indication Panel 
 
LED POWER TIMER 
Color Green Orange 
Light ON  Operation ON  Timer Setting ON 
Light OFF  Operation OFF  Timer Setting OFF 
 
Note: 
  If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation 
mode judgment, or ON timer sampling. 
  If Timer LED is blinking, there is an abnormality operation occurs. 
12.9  Quiet Operation (Cooling Mode/Cooling Area of Dry Mode) 
A. Purpose 
To provide quiet cooling operation compare to normal operation. 
 
B. Control condition 
a.  Quiet operation start condition 
o  When “POWERFUL/QUIET” button at remote control is pressed twice. 
 
b.  Quiet operation stop condition 
1  When one of the following conditions is satisfied, quiet operation stops: 
a.  POWERFUL/QUIET button is pressed again. 
b.  Stop by OFF/ON switch. 
c.  Timer “off” activates. 
2  When quiet operation is stopped, operation is shifted to normal operation with previous setting. 
3  When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 
4  When operation mode is changed, quiet operation is shifted to quiet operation of the new mode. 
5  During quiet operation, if timer “on” activates, quiet operation maintains. 
6  After off, when on back, quiet operation is not memorized. 
 
C. Control contents 
1  Fan speed is changed from normal setting to quiet setting of respective fan speed. 
2  Fan speed for quiet operation is reduced from setting fan speed. 
12.10   Quiet Operation (Heating) 
A. Purpose 
To provide quiet heating operation compare to normal operation. 
 
B. Control condition 
a.  Quiet operation start condition 
o  When “POWERFUL/QUIET” button at remote control is pressed. 
 
b.  Quiet operation stop condition 
1  When one of the following conditions is satisfied, quiet operation stops: 
a.  POWERFUL/QUIET button is pressed again. 
b.  Stop by OFF/ON switch. 
c.  Timer “off” activates. 
2  When quiet operation is stopped, operation is shifted to normal operation with previous setting. 
3  When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 
4  When operation mode is changed, quiet operation is shifted to quiet operation of the new mode. 
5  During quiet operation, if timer “on” activates, quiet operation maintains. 
6  After off, when on back, quiet operation is not memorized. 
 
C. Control contents 
a.  Fan Speed manual 
1  Fan speed is changed from normal setting to quiet setting of respective fan speed. 
2  Fan speed for quiet operation is reduced from setting fan speed. 
b.  Fan Speed Auto 
1  Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger.