18 Multi Air Conditioner
Operating Instructions
• If you wish to cancel all timer setting, press Set/Clear button.
• If you wish to cancel each timer setting, press the 
TIMER button to turn timer sleep or on or off as you want.
And then press the SET/CLEAR button aiming the remote 
controller at the signal receptor.
(The timer lamp on the air conditioner and the display will go off.)
To cancel the Timer Setting
This is a function to prevent tampering of settings by children or others.
Indoor Temperature Display(Optional)
Child Lock(Optional)
[Ceiling Concealed Duct Type ] 
[Ceiling Concealed Duct Type ] 
PQRCUCA0
FAN
SPEED
MODE
Cooling Heating Auto Dry Fan
Defrost Preheat Out door
Slo
Lo
Med
Hi
Po
Room Temp
Total on
Central Run
1
When the fan speedbutton is pressed on the remote
controller for about 3 seconds, the indoor temperature
will be displayed for about 5 seconds, then goes back
to the previous screen.
• Indoor temperature display may differ according to
slide S/W1 setting on the remote controller.
❈ There would be some difference between actual
temperature you feel and room temperature of remote
controller , because the temperature of the position is
not uniform which the remote controller is located on.
Out door
Room Temp
Total on
Central Run
Defrost Preheat
PQRCUCA0
FAN
SPEED
MODE
1
You can use the child lock function by pressing both
temperature increasing button and fan speed  button
for three seconds. In the initial setting of the child lock
function, "CL" will be displayed on the display panel
and then it will come back to the original mode. Now a
click of another button will not be recognized and the
"CL" is being shown on the display panel for three
seconds due to child lock.
2
If you want to cancel the child lock mode, press the
temperature increasing button and the fan speed
button again for three seconds.