21
Technical Information
Service Manual
6. Function and Control
6.1 Function Buttons of Air Conditioner
Buttons Name and Function
Introduction for icons on display screen of air conditioner
1
6
2
3
4
5
MODE
FAN
FUNC.
ON/OFF
1
ON/OFF button
2
MODE button
3
FAN button
4
FUNCTION button
5
6
/
button
Timer 
display
Operation
Cooling display
Dry display
Fan display
Ambient temperature 
or set temperature 
display or others
E-Heater display
Defrosting display
Heating display
Fan speed display
display
NOTE:
This series unit adopts touch buttons. You only need to touch the 
buttons slightly. 
1. ON/OFF button
● Press this  button to turn on or turn off the unit. (Note: Under 
X-FAN mode, press this button to turn on the unit directly.)
2. MODE button
● Every time press this button, the mode will switchover in cycle 
among.
COOLING
DRY
HEATING
FAN
(Note: Cooling only unit won’t accept heating operation signal. 
For cooling only unit, pressing MODE button under FAN mode 
will skip heating mode and enter cooling mode.)
3. FAN button
Press this button and then fan speed can be selected and 
displayed in the sequence as below: 
(low) 
(medium) (high) 
(turbo)
(Note:Only low fan speed is available for dry mode.  Fan speed 
can't be adjusted under dry mode. Turbo cannot be set in FAN 
mode.)
4. FUNCTION button
Under on status, press Function button to switch between timer 
and auxiliary heating function setting (auxiliary heating can be