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1 

Remove the control board cover from the unit by loosening the screw. 

2 

Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4x 
1.5mm

2

 flexible cords, type designation 245 IEC 57 or heavier cord. 

 
 
 
 
 
 
 

3 

Secure the cable onto the control board with the holder (clamper). 

4 

Attach the control board cover back to the original position with the screw. 

5 

For wiring stripping and connection requirement, refer to instruction 10.2.4 of indoor unit. 

 

1 

Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation 
Diagram. Please warp the insulated piping end to prevent water from going inside the piping. 

2 

If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by 
using POLY-E-FOAM with thickness 6mm or above. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

26 

 
 

 
 
 
 
 
 
 
 
 

 
1.  AUTO OPERATION MODE 

Once the Auto OFF/ON button is slightly pressed, the unit will immediately operate in Auto operation. This 
operation can be used to operate air conditioner with limited function if remote control is misplaced or 
malfunction. 
 

2.  TEST RUN OPERATION( FOR PUMP DOWN/ SERVICING PURPOSE) 

Press the button continuously for approximate 5 second and then release. A “beep” sound will be heard to identify 
the starting of TEST RUN OPERATION. 
 

3. HEATING 

OPERATION 

A)  Within 5 minutes after TEST RUN operation starting, press the button again for more than 5 seconds until 2 

“beep” sounds are heard, the unit will operate in heating mode. 

B)  Pressed the button continuously for approximate 8 second and then released. 2 “beep” sounds will be heard 

to identify the starting of HEATING operation.  

 

4. DIFFERENT CONTROLLING SETTING. 

Press the button continuously for approximate 11 until 3 “beep” sounds are heard and together with the signal 
from remote controller, the unit can be changed to different controlling setting. 
For transmission code selection method, please refer to “Select Remote Control Transmission Code” 
 

5. INDIVIDUAL COUNTER-ACTION 

When the switch is continuously pressed between 16 to 21 seconds, either H14 error detection selection mode or 
remote controller’s signal receiving sound can be cancelled or turned on. 

 

—  There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor PCB. 

The indoor unit will only operate when received signal with same transmission code from remote control. This 
could prevent signal interference when there are 2 or more indoor units installed near by together. 

 
—  To Change the code of remote controller, following table I to join or cut jumper wire on the remote controller and 

setting with "Forced operation button". Four codes (A, B, C, D) can be selected. Taking code "B" for example, the 
process below should be follow. 

       1. Press the "Auto OFF/ON” button on the indoor unit for approximate 11 seconds until 3 "Beep’s signal receiving 

sounds are heard. 

2. Within 5 minutes, gently press the "ERROR RESET" button on the remote control towards the indoor unit. One 

"Beep" sound is heard. 

3. Within 60 seconds, press any button on the remote control, the frequency of which was set as "B". Setting is 

completed after a "Beep" sound is heard. The corresponding signal sent by remote control "B" will be received 
by this indoor unit. 

 

Table 1 

Remote control 

J2 

J3 

A(STANDARD) SHORT  OPEN 
B OPEN 

OPEN 

C SHORT 

SHORT 

D OPEN 

SHORT 

Auto OFF/ON 
Button Pressed 

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A

UTO, HEAT, COOL, DRY can be selected by pressing “MODE” button. Initial display of LCD is as follow 

 

 
*Keeping the button depressed continuously, the operation mode will change in the following order in turn  
 AUTO—HEAT—COOL—DRY--AUTO 

Temperature adjusting range is between 16 ℃~30 ℃ 
 

There are 5 speed levels can be selected. The display on the remote controller changes as follows by pressing the AIR SWING 
button.

 

 

 

 
To adjust vertical airflow directions by pressing AIR SWING button (5 options) 
 

 

Press this button to switch among QUIET operation, POWERFUL operation and normal operation. 
Start Quiet operation: Press this button until “QUIET” displaying on remote control display to identify Quiet mode 
operating. 
Start POWERFUL operation: Press this button until POWERUL displays on remote control display to identify Quiet 
mode operating. 
Switch Quiet /Powerful operation to normal operation: Press this button until “QUIET” and ”POWERFUL” on 
remote control display disappear, which identifies the unit returns to normal operation. 
Note: QUIET and POWERFUL operation can not be active simultaneously. 

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There are 4 types of timer setting by pressing Timer setting button: ON-TIMER, OFF-TIMER, ON-OFF TIMER, OFF-ON TIMER. 
 

 

 

1) SELECT 

button 

—  When the air conditioner is ON, OFF-TIMER or OFF-ON TIMER can be selected by pressing SELECT 

button. 

 

 

 

—  When the air conditioner is turned off, ON-TIMER or ON-OFF-TIMER can be selected. 
 

 

 

 

2)  Button A and B 

          

Pressing button A can change the time for ON-TIMER and OFF-TIMER, off time for OFF-ON Timer, on time for 

ON-OFF TIMER; Pressing button B can change the on time for OFF-ON Timer and off time for ON-OFF Timer setting. 

 

3) SET/CANCEL 

button. 

          

Pressing the button to set or cancel the set timer during the timer setting or activate the previous timer setting. After the 

timer setting is determined, “ON” or “OFF” will stop flashing. If the timer setting is cancelled, “ON” or “OFF” will disappear 
on the remote control display.

 

 

NOTE: 

— 

OFF Timer and OFF- ON Timer can only be set during the operation; 

— 

Timer setting can operate only once. 

— 

If the OFF/ON button on the remote control or the AUTO Switch on the indoor unit is pressed, the timer setting 

will be cancelled. 

— 

If Auto Restart Control occurs, timer setting will be cancelled. 

—  During the operation, if the ON Timer or ON-OFF Timer is set, the operation will be stopped. 

11.3.8  About Cursor Key Which Points To “OFF” On Remote Control 

When the ON/OFF button on the remote control is pressed, the cursor key which points to “OFF” will appear or disappear to 
indicate the ON/OFF status of the air conditioner. 
 

 

 

For some reason (Ex. The signal of the remote control does not reach the signal receiver of the indoor unit.), the display of the 
remote control will not correspond with the actual ON/OFF status of the indoor unit: 

 

1. 

The air conditioner is running but the cursor key which points to “OFF” appears. The air conditioner can be stopped with 
any button (Except for “ON/OFF”, “TIMER SET”, “TIMER ON”) pressed. 

2. 

The air conditioner is on standby, but the cursor key which points to “OFF” disappears. The air conditioner can be started 
with any button (Except for “ON/OFF”, “TIMER SET”, “TIMER OFF”) pressed.