LG S4 User manual

LG
Room
Air Conditioner
OWNER'S MANUAL
LG
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
Prior to installation, this air-
conditioning unit must be
submitted for approval by the
utility service which provides
electricity (EN 61000-2,
EN 61000-3 Norm).
website http://www.lgservice.com
MODELS : S4/S5 Chassis
ENGLISH

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Ope ration indicating
lamps

TEMP.
TIME
OFF
hr.
4
2
5
1
6
3
7
About the remote control on the system
Features of the Remote Control
OPERATION DISPLAY
Displays the operation conditions.
AIRFLOW DIRECTION START/STOP
BUTTON
Used to stop or start louver movement and
set the desired up/down airflow direction.
OPERATION MODE SELECTION
BUTTON
Used to select the operation mode.
OFF TIMER BUTTON
Used to set the time of stopping operation.
START/STOP BUTTON
Operation starts when this button is
pressed, and stops when the button is
pressed again.
ROOM TEMPERATURE SETTING
BUTTONS
INDOOR FAN SPEED SELECTION
BUTTON
1
2
3
4
5
6
7
Signal transmitter
Transmits the signals to the room air
conditioner.
Remote Controller
8
JET COOL OPERATION BUTTON
8
Used to start or stop the speed ( speed cooling
operates super high fan speed in cooling mode.)
5

TIME
OFF
hr.
TEMP.
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Cooling Mode
Healthy Dehumidification Operation
(Cooling Model)
1
3
2
4
Features of the Remote Control
(1) OPERATION MODE
(2) OPERATION PROCEDURE
Operation Mode Selection button
1st
2nd
3rd
4th
Start/Stop Button
Operation Mode Selection
Button
Room Temperature
Setting Button
Indoor Fan Speed
Selection Button
6

TIME
OFF
hr.
TEMP.
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7
TIME
OFF
hr.
TIME
OFF
hr.
TEMP.
Cooling Healthy
Dehumidification
TIME
OFF
hr.
TEMP.
TIME
OFF
hr.
TEMP.
Set the fan speed.

TIME
OFF
hr.
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8
TIME
OFF
hr. TIME
OFF
hr.
TEMP.
Cooling Healthy
Dehumidification
Select Healthy Dehumidification Operation.
Press the operation Mode Selection Button.
Each time the button is pressed, the operation mode is
shifted in the arrow direction.
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is
impossible because of already being set to the best speed for Dry Operatrion by Micom
Control.
• The indoor fan may be stopped not so as to be the room overcooling.
TIME
OFF
hr.
TEMP.
Set the fan speed. • Select the fan speed
in two steps
-low, high.
• The display shows
high fan speed.

TIME
OFF
hr.
TEMP.
�
TIME
OFF
hr.
9
Press the Jet Cool button to operate
the speed cooling mode and the unit
will operate at super high fan speed
on cooling mode for 30 minutes.
To cancel the
fan speed button or the room temperature setting button
again and the unit will operate at high fan speed on cooling
mode.
Jet Cool mode, press the Jet Cool button, the
TIME
OFF
hr.
TEMP.
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Press the OFF Time Button.
1. Press the OFF Time Button.
2. Check the OFF Time LED of the room air conditioner.
3. The Timer is programmed by 1 hour each
pressing the OFF Time button from 1 hour to 7 hours.
OFF TIMER CONTROL SETTING
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10
Press the Start/Stop Button.
(Confirm the unit on operation.)
Press the Airflow Direction Control
Button and the vertical louvers swing up
and down automatically.
Press again the Airflow Direction
Control Button to set the vertical louver
at the desired airflow direction.
Caution
• Always use the remote controller to adjust
the airflow direction. Manually moving the
vertical airflow direction louver by hand could
cause operation errors.
• When air conditioner operation is stopped,
the vertical airflow direction louver will close
the air outlet vent of room air conditioner.
Horizontal Airflow Direction Control
• Adjust the horizontal airflow direction by manually
moving the horizontal airflow direction louver by
hand.
Airflow Direction Control
The airflow direction can be adjusted as desired by
using the remote controller. This is effective when you
want to cool yourself directly, such as after taking a
bath.
1
2
3

11
ON/OFF
button
Test operation
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, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound 1
"beep".
If you want to stop the operation, re-press the button.
High
Speed

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Vertical louver Horizontal louver
Air filters
(behind front panel)
Air outlet ventAir inlet vent

13
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.
NOTE:
Dirty or clogged coils will reduce the
operating efficiency of the system and cause higher operating costs.

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P/No.:MFL30291710