LG LV-B18 C Series User manual

P/No.: 3828A30086H
Room Air Conditioner
(Convertible Type)
OWNER'S MANUAL
Before using your air conditioner please read
this manual carefully and keep it for future
reference.
Prior to installation, this air-conditioning
unit must be submitted for approval by the
utility service which provides electricity
(EN 60555-3 Norm).
e-mail http://www.lge.com

2
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
WARNING
WARNING
WARNING
WARNING
CAUTION
CAUTION
WARNING
WARNING
Safety precautions
Safety Precautions
Warning ................................2
Caution .................................3
Operating Instructions
Remote Control Features .....4
Preparation before operation
..6
Operation Mode Selection ......7
Additional features..............11
Care and Maintenance
Care and Maintenance .......15
Operation Tips ....................16
Troubleshooting tips
Before You
Call For Service ...............17
To prevent injury to the user or other people and property damage, the
following instructions must be followed.
■Incorrect operation due to ignoring of instruction will cause harm or
damage, the seriousness is classified by the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to
properties only.
Do not operate or stop the
unit by inserting. Turn off the
circuit break.
• It will cause electrical shock or
fire due to heat generation.
Do not damage or use an
unspecified power cord.
• It will cause electrical shock or
fire.
•
If the supply cord is damaged, it
must be replaced by a special cord
or assembly available from the
manufacturer or its service agent.
Do not modify power cord
length or share the outlet with
other appliances.
• It will cause electrical shock or
fire due to heat generation.
Do not operate with wet hand.
• It will cause electrical shock.
Do not insert anything into
the air inlet/air outlet.
• Since the fan rotates at high
speed, this may cause an
injury or damage the unit.
Do not expose the skin
directly to cool air for long
periods of time.
• This could damage your
health.
When an abnormality (smell of burning, etc)
occurs, stop the air conditioner, and or turn
off the circuit breaker.
• If the unit continues to operate in an abnormal
condition, it may cause fire, damage, etc. In this
case, consult your dealer.
Repair or relocation should not be done by the
customer.
• If this is done incorrectly, it may cause a fire,
electric shock, injury by dropping of the unit,
water leakage, etc. Consult your dealer.
■Do not install, remove and re-install the unit by yourself.
Improper installation will cause water leakage, electrical shock, or
fire. Please consult authorized dealer or specialist for the installation
work.
Installation precautions

3
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
CAUTION
CAUTION
When the air filter is to be
removed, do not touch the
metal parts of the indoor unit.
•It may cause an injury.
•Should be disconnected from
supply
Do not clean the air
conditioner with water.
•Water may enter the unit and
degrade the insulation. It may
cause an electric shock.
Ventilate well when used
together with a stove, etc.
•An oxygen shortage may
occur.
•Contact the authorized Service technician for repair or maintenance of this unit.
•Contact the installer for installation of this unit.
•The air conditioner is not intended for use by young children or infirm persons without
supervision.
•Young children should be supervised to ensure that they do not play with the air conditioner.
CAUTION
When the unit is to be
cleaned, switch off, and turn
off the circuit breaker.
•Since the fan rotates at high
speed during operation, it
may cause an injury.
Do not put a pet or house
plant where it will be
exposed to direct air flow.
•This could injure the pet or
plant.
Do not leave on installation
stand which is damaged.
•The unit may drop or fall
down and cause an injury.
Do not apply an insecticide
or flammable spray.
•It may cause a fire or
deformation of the cabinet.
Do not put a stove, etc.
where is exposed to direct
air flow.
• It may affect combustion.
Do not step on the
indoor/outdoor unit and do
not put anything on it.
•It may cause an injury
through dropping or falling
down.
Do not insert hands through
vanes when the air conditioner
is operationg
•It will cause an injury by the
rotating blower.
When the unit is not going to
be used for a long time, turn
off the circuit breaker.
•If not, dirt may collect and
cause a fire.
Do not step onto an unstable
bench when cleaning and/or
maintaining the unit.
•It may cause an injury, etc.
by falling down.
Do not use for special
purposes.
•Do not use this air conditioner
to preserve precision devices,
food, animal, plants, and art
objects.
It may cause deterioration of
quality, etc.
Do not operate for a long time in
high humidity, e.g. leaving a
door or window open.
•Inthecoolingmode,ifitis
operatedinaroomwithhigh
humidity (80%RH or more) for
a long time, water condensed
in the air conditioner may drop
and may wet and spoil
furniture, etc.

4
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
1
3
4
Heat pump model
Cooling model
2
Cooling Operation
Auto Operation
Soft Dry Operation
Heating Operation
(Heat Pump Model)
Cooling Operation
Soft Dry Operation
Auto Operation
(Cooling Model)
Flip-up door(closed)
About the remote control on the system
The remote control transmits the signals to the system.
Features of the Remote Control- Door Close
START/STOP BUTTON
Operation starts when this
button is pressed and stops
when the button is pressed
again.
OPERATION MODE
SELECTION BUTTON
Used to select the operation
mode.
ROOM TEMPERATURE
SETTING BUTTONS
Used to select the room
temperature.
INDOOR FAN SPEED
SELECTOR
Used to select fan speed in
four steps-low, medium, high,
or CHAOS.
1
2
3
4
Operation Mode

ON OFF
SET CANCEL
5
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
Signal transmitter
Flip-up door(opened)
1
2
7
8
9
10
11
4
5
6
3
Features of the Remote Control- Door Open
OPERATION DISPLAY
Displays the operation conditions.
START/STOP BUTTON
Operation starts when this button is
pressed and stops when the button is
pressed again.
OPERATION MODE SELECTION
BUTTON
Used to select the operation mode.
ON/OFF TIMER BUTTONS
Used to set the time of starting and
stopping operation.
TIME SETTING BUTTONS
Used to adjust the time.
TIMER SET/CANCEL BUTTONS
Used to set the timer when the desired
time is obtained and to cancel the Timer
operation.
AIR FLOW DIRECTION START/STOP
BUTTON
Used to stop or start louver movement
and set the desired up/down airflow
direction.
SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
AIR CIRCULATION BUTTON
Used to circulate the room air without
cooling or heating (turns indoor fan
on/off).
ROOM TEMPERATURE CHECKING
BUTTON
Used to check the room temperature.
RESET BUTTON
Used prior to resetting time or after
replacing batteries.
1
2
3
4
5
6
7
8
9
10
11

6
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
R
Preparation before operation
Storage and Tips For Using the Remote Control
•Theremotecontrolmaybestoredmountedona
wall.
•To operate the room air conditioner, aim the
remote control at the signal receptor.
•The remote control will operate the air conditioner
atadistanceofupto7m.
How to Insert the Batteries
Remove the battery cover by pulling it according to the
arrow direction.
Insert new batteries making sure that the (+) and (-) of
battery are installed correctly.
Reattach the cover by sliding it back into position.
NOTES:
• Use 2 AAA(1.5volt) batteries. Do not use rechargeable
batteries.
• Remove the batteries from the remote control if the system is
not going to be used for a long time.

7
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
To raise the temperature
To lower the temperature
Cooling Auto Soft Dry Heating
(Heat pump model only)
How to use the Operation Mode Selection button
Press the Start/Stop button.
The unit will respond with a beep.
To select Cooling Operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shiftedinthedirectionofthearrow.
Set the temperature lower than the room temperature. The
temperature can be set within a range of 18°C~30°Cin1°C
increments.
You can select the fan speed in four steps-low, medium, high, or
CHAOS. Each time the button is pressed, the fan speed mode is
shifted.
Cooling Operation
1
2
3
4

8
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Cooling Auto Soft Dry Heating
(Heat pump model only)
To raise the temperature
To lower the temperature
Press the Start/Stop button.
The unit will respond with a beep.
To select Auto Operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
The temperature and fan speed are automatically set by the
electronic controls based on the actual room temperature. If
you want to change the set temperature, close the door on
the remote control and press the Room Temperature Setting
buttons. The cooler or warmer you feel, the more times (up to
two times) you should press the button. The set temperature
will then be changed automatically.
During Auto Operation:
❏You cannot switch the indoor fan speed. It has already been set by the Fuzzy rule.
❏If the system is not operating as desired, manually switch to another mode. The system will not
automatically switch from the cooling mode to the heating mode, or from heating to cooling, it must be
done by manually resetting.
❏During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and
down automatically. If you want to stop auto-swing, press the chaos swing button again.
Auto Operation
1
2
3

9
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
Cooling Auto Soft Dry Heating
(Heat pump model only)
To raise the temperature
To lower the temperature
Press the Start/Stop button.
The unit will respond with a beep.
To select Soft Dry operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shiftedinthedirectionofthearrow.
Soft Dry Operation
1
2
Set the temperature lower than the room temperature. The
temperature can be set within a range of 18°C~30°Cin1°C
increments.
3

10
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Cooling Auto Soft Dry Heating
(Heat pump model only)
To raise the temperature
To lower the temperature
Press the Start/Stop button.
The unit will respond with a beep.
To select Heating operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shiftedinthedirectionofthearrow.
Set the temperature higher than the room temperature.
The temperature can be set within a range of 16°C~30°Cin
1°C increments.
You can select the fan speed in four steps–low, medium, high,
or CHAOS. Each time the button is pressed, the fan speed
mode is shifted.
Heating Operation(Heat pump model only)
1
2
3
4

11
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
Delay OFF Timer Delay ON Timer Delay OFFand ON Timer Delay ONand OFF Timer
Additional features
Sleep Mode
Press the Sleep Mode Auto button to set the
time you want the unit to turn off automatically.
The Timer is programmed in one-hour
increments by pressing the Sleep Mode Auto
button 1 to 7 times.
The sleep mode is available for 1 to 7 times. To
alter the time period in steps of 1 hour, press
the Sleep Mode Button while aiming at air
conditioner.
Make sure the Sleep Mode Auto LED lights up.
To cancel the Sleep Mode, press the sleep
Mode Auto button several times until the star
( ) disappears from the operation display.
Note: The Sleep Mode will be operated at
low fan speed (cooling) or medium fan
speed (heat pump only) for quiet sleeping.
IN COOLING MODE: The temperature will
automatically rise by 1°C over the next 30
minutes and by 2°C in 1 hour for comfortable
sleeping.
Setting the Time
Timecanbesetonlywhenyouhavepressed
the Reset button. If you have just replaced the
batteries, the Reset button should be pressed
to reset the time.
Press the Start/Stop button.
Press the Time Setting buttons until the
desired time is set.
Press the Timer SET button.
Note: Check the indicator
for A.M. and P.M.
Make sure the time is set correctly on the
remote control display.
Press the ON/OFF Timer
buttons to turn Timer on or off.
Press the Time Setting
buttons until the desired
time is set.
Press the selected on/off setting by
pressing the Timer SET button while
aiming the remote control at the signal
receptor.
To cancel the setting the timer.
Press the Timer Cancel button while
aiming remote control at the signal
receptor.
(The timer lamp on the air conditioner and
the display will go out.)
Delay Start/Pre-Set Stop
NOTE: Select one of the following four types of operation.
1
1
2
2
3
with the unit running
1
2
3
4
ON OFF
SET
SET
CANCEL

12
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Fan speed is on low. Fan speed is on medium. Fan speed is on high.CHAOS Air
R
R
Air Circulation Mode
Circulates the room air without cooling or heating.
Press the Start/Stop button. the unit will respond with a beep.
Press the Air Circulation button. Now each time that you press the Indoor Fan Speed Selector, the
fan speed is shifted from low to CHAOS and back to low again.
Note:
❏The fan speed of the indoor unit will automatically cycle depending on the room temperature.
❏CHAOS Air economizes power consumption and prevents overcooling. The fan speed is
automatically changed from medium to low or vice versa, depending on the ambient temperature.
1
1
2
2
The up/down airflow (Vertical Airflow) can be
adjusted by using the remote control.
Press the Start/Stop button to start the unit.
Press Chaos Swing button and the louvers will
swing up and down. Press the Chaos Swing
button again to set the vertical louver at the
desired airflow direction.
Note:
❏Always use the remote control to adjust the
up/down airflow direction. Manually moving the
vertical airflow direction louver by hand could
damage the air conditioner.
❏When the unit is shut off, the up/down airflow
direction louver will close the air outlet vent of
the system.
To adjust left/right(Horizontal Airflow) direction
Caution : Ensure unit is turned off before
adjusting the horizontal airflow direction
control.
Carefully open vertical louver to allow
access to the horizontal airflow
direction.
Adjust the left/right airflow direction by hand.
Vertical Airflow Direction Control

13
R
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
FORCED OPERATION
Operation procedures when the remote control
can't be used.
Press the Forced Operation button.
If you want to stop operation, press again.
When started, the operation conditions are
automatically set as follows:
During Forced Operation, the initial mode
continues.
FORCED OPERATION
AUTO RESTART
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.
In case the air conditioner does not receive any signal from the remote control, it will turn off
automatically after 7 hours.
Heat pump Model
Cooling Model Room Temp. ≥24°C 21°C ≤Room Temp. < 24°C Room Temp. < 21°C
Operating mode Cooling Cooling Soft Dry Heating
Indoor FAN Speed High High Soft Dry Rule High
Setting Temperature 22°C22°C Air Intake Temperature 24°C
When the front grille is opened:
Once the front grille is opened for cleaning of the air filters or other reasons, the unit automatically
stops operation for safety: In some 60 Hz models (for cooling only), all memorized functions such as
operation mode, room temperature setting, operation start & stop by timer setting, etc. shall be
erased.
To restart the unit, close the front grille and press the Start/Stop button on the remote controller. If
necessary, please reset the reservation functions like operation start & stop and room temperature
setting.

14
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Operation Details
NaturalwindbytheCHAOSlogic(Refertopage12)
Soft Dry Operation Mode (Refer to page 9)
When the room temperature is higher than the set temperature, it operates in cooling mode at the
set temperature, the set fan speed (if CHAOS mode, then medium.), and then it will be in
automatically switched to Soft Dry Mode when the room temperature reaches the set temperature.
In Soft Dry Operation, the indoor fan speed is automatically switched to the low.
ROOM TEMP.
SET TEMP. +1 °C
SET TEMP. -0.5
°C
INDOOR
FAN
COMP.
OPERATING START
OPERATE
OPERATE
FOR
10MINS
STOP
FOR 3 MINS
STOP
FOR 7 MINS
OPERATE
FOR
10MINS
SETTING
FAN
SPEED
▲LOW COOL
OPERATION
▲ LOW COOL
OPERATION
COOLING ROOM TEMP.
SOFT DRY
High
Speed
Helpful information
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.
For more fresh feeling than other fan speed,
press the Indoor Fan Speed Selector and set
to CHAOS mode. In this mode, the wind blows
like natural breeze by automatically changing
fan speed according to the CHAOS logic. CHAOS MODE OPERATION
1HOUR
1 /2HOUR
1
0.5°C
0.5°C
Room Temp.

Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
(Side) (Rear)
Piping
Drain
Hose
Air intake
vents
Air outlet
vents
15
Care and maintenance of the air conditioner
CAUTION: Before performing any maintenance, turn off the main power to the system.
Indoor Unit
Grille, Case, and Remote Control
❏Turn the system off before cleaning. To
clean, wipe with a soft, dry cloth. Do not
use bleach or abrasives.
NOTE:
Supply power must be disconnected before
cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be
checked and cleaned once every 2 weeks or more
often if neccessary.
❏ 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.
Lift the front access panel and pull the filter tab
slightly forward to remove the filter.
Clean the filter with a vacuum or warm, soapy
water.
•If dirt is conspicuous, wash with a
solution of detergent in lukewarm water.
•If hot water (50°C or more) is used, it
may be deformed.
After washing with water, dry well in the
shade.
Re-install the air filter.
Vertical louver Horizontal louver
Air filtersAir outlet vent Air inlet vent
B
e
n
z
e
n
e
S
C
O
U
R
I
N
G
C
L
B
A
R
G
E
R
S
I
N
N
E
R
1
2
3
4
Outdoor Unit
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.

16
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
CAUTION
CAUTION
1
11 1
2
2
3
3
2
2
Operate the air conditioner on Air circulation
mode (Refer to page 12) for 2 to 3 hours.
•This will dry out the internal parts.
When air conditioner is not going
to be used for a long time.
When the air conditioner is to
be used again.
Turn off the circuit breaker.
Remove the batteries from the remote
control.
Whentheairconditionerisnotgoingtobeusedforalongtime.
Turn off the circuit breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Clean the air filter and re-install it in the
indoor unit.
(Refer to page 15 for cleaning filters.)
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
Do not overcool the room.
This is not good for your
health and wastes electricity.
Make sure that the doors
and windows are shut tight.
Avoid opening doors and
windows as much as possible
to keep the cool air in the
room.
Keep blinds or curtains
closed.
Do not let direct sunshine enter
the room when the air
conditioner is in operation.
Clean the air filter regularly.
Blockages in the air filter
reduce the airflow and lower
cooling and dehumidifying
effects. Clean at least once
every two weeks.
Keep the room temperature
uniform.
Adjust the vertical and
horizontal airflow direction to
ensure a uniform temperature
in the room.
Ventilate the room
occasionally.
Since windows are kept closed,
it is a good idea to open them
and ventilate the room now and
then.
Operation Tips

?
17
Safety Precautions Operating Instructions Care and Maintenance Troubleshooting Tips
Before you call for service...
Check the following points before requesting repairs or service.... If the fault persists, please
contact your dealer or service center.
Troubleshooting Tips! Save time and money!
Case Explanation See page
The air conditioner does not
operate.
The room has a peculiar
odor.
It seems that condensation
is leaking from the air
conditioner.
Air conditioner does not
operate for about 3 minutes
when restarted.
Does not cool or heat
effectively.
The air conditioner
operation is noisy.
Remote control display is
faint, or no display at all.
Crack sound is heard.
•Have you made a mistake in timer operation?
•Has the fuse blown or has the circuit breaker
been tripped?
•Check that this is not a damp smell exuded by
the walls, carpet, furniture, or cloth items in the
room.
•Condensation occurs when the airflow from
the air conditioner cools the warm room air.
•This is the protector of the mechanism.
•Wait about three minutes and operation will
begin.
•Is the air filter dirty? See air filter cleaning
instructions.
•The room may have been very hot when the
room air conditioner was first turned on. Allow
time for it to cool down.
•Has the temperature been set incorrectly?
•Are the indoor unit's air inlet or outlet vents
obstructed?
•For a noise that sounds like water flowing.
-This is the sound of freon flowing inside the
air conditioner unit.
•For a noise that sounds like the compressed
air releasing into atmosphere.
-This is the sound of the dehumidifying water
being processed inside the air conditioning
unit.
•Are the batteries depleted?
•Are the batteries inserted in the opposite (+)
and (-) directions?
•This sound is generated by the
expansion/constriction of the front panel, etc.
due to changes of temperature.
11
-
-
-
-
15
7, 10
-
-
6
-
NOTE
WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.
The indoor side is not water resistant and should not be exposed to excess water.
P/No.: 3828A30062A

18
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
12345678910
Code Detail Code of Model Meaning
1 Year 0~9 The last digit of year
(Digit) ex) 1997 7, 2000 0
2,3 Month 01~12 Month
(Digit) ex) March 03, August 08
4 Nation A~Z Where manufactured
(Alphabet) ex) K Korea, C China
5 Product A~Z ex) A Airconditioner
(Alphabet)
6~10 Serial No. 0~9 Production Quantity
(Digit)
NO PART NAME
1 COMPRESSOR
2 MOTOR
3CROSS FLOW FAN
4 MAIN PCB ASSY
5 DISPLAY PCB ASSY
6 REMOCON
7 FRONT GRILLE
8 TRANSFORMER
Details of LG serial No.
Main Service Part List
H. G. IBRAHIM SHAKER COMPANY, LTD.
SERVICE CENTER
*JEDDAH P. O. BOX 50, JEDDAH 21411 KINGDOM OF SAUDI ARABIA
TEL NO. : 6422952 / 6425527
*RIYADH P. O. BOX 15, RIYADH 11411 KINGDOM OF SAUDI ARABIA
TEL NO. : 4020570
*AL-KHOBAR P. O. BOX 78, AL-KHOBAR 31952 KINGDOM OF SAUDI ARABIA
TEL NO. : 8943714
Model Weight
Model
Weight(kg)
Indoor Outdoor
Cooling Model
Heat Pump Model
LV-B18**C* 30 55
LV-B24**C* 30 60
LV-B18**H* 30 60
LV-B24**H* 30 62