DOWNLOAD LG AS-H126U / LS-C126U / LS-H126U Service Manual ↓ Size: 8.66 MB | Pages: 127 in PDF or view online for FREE

Operation procedures when the remote
control can't be used.
The operation will be started if the power
button is pressed.
If you want to stop operation, re-press
the button.

In case the power comes on again after a power failure, Auto Restarting Operation is the function to
operate procedures automatically to the previous operating conditions.
So there is no need of activating this function by pressing any key or button.
In the initial mode, the fan operates at a low speed and the compressor starts 2.5~3 minutes later.
As the compressor starts, the fan speed also resumes its previous setting mode.

≥

≤

Operating mode

Cooling

Cooling

Healthy Dehumidification

Heating

Indoor FAN Speed

High

High

High

High

Setting Temperature

22°C

22°C

23°C

24°C

Fan speed and cooling capacity.
The cooling capacity indicated in the specification is the
value when the fan speed is set to high, and the capacity will
be lower at low or medium fan speed.
High fan speed is recommended when you wish to cool the
room quickly.

During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of
room temperature and resets in 18 minutes.
During test operation, if remote controller signal is received, the unit operates as remote controller sets.
If you want to use this operation, open the front panel upward and Press the power button let it be
pressed for about 3 seconds.
If you want to stop the operation, re-press the button.

Front panel

Panel hook

Air filters

Air filters

Gasoline

Powder

❏

Never use any of the followings:

• Water hotter than 40°C

Could cause deformation and/or discoloration.

• Volatile substances

Could damage the surfaces of the air conditioner.

1. Lift the front access panel and pull the filter tab

slightly forward to remove the filter.

2. Clean the filter with a vacuum cleaner or warm,

soapy water.
• If dirt is conspicuous, wash with a solution of

detergent in lukewarm water.

• If hot water (40°C or more) is used, it may be

deformed.

3. After washing with water, dry well in the shade.

4. Re-install the air filter. 

1. After removing the air filters, pull slightly forward to

remove the PLASMA filter.

2. Dip the PLASMA filter into the water mixed with

neutral detergent, for 20~30 minutes.

3. Dry the PLASMA filter in the shade for a day

(Especially, the humidity must be removed
perfectly on this parts).

4. Note the cuts of electric discharge lines.

5. Re-install the PLASMA filter to the original position.

Open the upside of Front Panel

1

Relocate dried air filters at the shade and then

close the panel.

5

Put up the Front panel.
The hook of panel comes off.

2

Come down the panel and then remove 
air filters.

3

Do cleaning by soft brush and a vacuum
cleaner. If it has hard pollution, wash by
water.

4

Don’t touch this PLASMA Filter within 10
seconds after opening the inlet grille, it may
cause an electric shock.

Front panel

Panel

hook

Plasma

filters

(Side)

(Rear)

Air intake
vents

Air outlet
vents

(Side)

(Rear)

Drain Hose

Air intake vents

Air outlet vents

Piping

(Side)

(Rear)

Piping

Drain Hose

Air intake
vents

Air outlet
vents

Piping

Drain Hose

The heat exchanger coils and panel vents of the
outdoor unit should be checked regularly. If clogged
with dirt or soot, the heat exchanger and panel 
vents may be professionally steam cleaned.

• Recomended use period : About 3 months

Open the upside of Front

panel.

Put up the front panel.
The hook of panel comes off.

Remove air filters and then
pull out plasma filter

3

2

1

Put in plasma filters in the

neutral detergent for 1~2

hours and then raise them.

Relocate dried plasma filters
at the shade and then put in
air filters.

5

4

Warning ................................2

Caution .................................3

Preparation before operation ..4

Remote Control Features .....6

Operation Mode Selection ......7

Additional features ..............14

Care and Maintenance .......18

Operation Tips ....................20

Before You 
Call For Service ...............21

To prevent injury and property damage, follow these instructions.

Incorrect operation due to ignoring instructions will cause harm or
damage, the seriousness of which is indicated by the following
symbols.

This symbol shows the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to
property.

■ 

The following items are classified by these symblos.

• Otherwise, it will cause electric shock

or fire due to heat generation or
electric shock.

• It will cause electric shock or fire due

to heat generation.

• It will cause electric shock or fire.
• In the supply cord is damaged, it mut

be replaced by the manufacturer or
its service agent or a similarly
quallfied person in order to avoid a
hazard. (Y Attachment)

• It will cause electric shock or fire due

to heat generation.

• It may cause electric shock.

• This could damage your health.

• No grounding may cause electric

shock.

• It may cause failure of machine or

electric shock.

• No installation may cause fire and

electric shock accident.

• It may cause fire and electric

shock accident.

• It may cause fire and electric

shock.

• It may cause electric shock.

• It may cause fire.

• It may cause fire and electric shock.

• It may cause an explosion or fire.