LG Multi V User 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).
Type: Art Cool Series
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

2Indoor Unit
Art Cool Type Indoor Unit Owner’s Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Write the model and serial numbers here:
Model #
Serial #
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
■Staple your receipt to this page in the event you need
to prove date of purchase or to issue warranty.
READ THIS MANUAL
Inside you will find many helpful hints on how to use
and maintain your air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call
for service at all.
PRECAUTION
•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 invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only
using only genuine replacement parts.
• Installation work must be performed in accordance with
the National Electric Code by qualified and authorized
personnel only.
Safety Precautions.................3
Prior to Operation ..................8
Operating Instructions...........9
Maintenance and Service ....12
Before you Call for
Service................................15

ENGLISH
Safety Precautions
Owner’s Manual 3
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
■Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■Installation
Do not use a defective or
underrated circuit breaker.
Use this appliance on a
dedicated circuit.
• There is risk of fire or electric
shock.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• Do not disassemble or repair
the product. There is risk of fire
or electric shock.
Always ground the product.
• There is risk of fire or electric
shock.
Install the panel and the
cover of control box
securely.
• There is risk of fire or electric
shock.
Always install a dedicated
circuit and breaker.
• Improper wiring or installation
may cause fire or electric shock
Use the correctly rated
breaker or fuse.
• There is risk of fire or electric
shock.

Safety Precautions
4Indoor Unit
■Operation
Do not modify or extend the
power cable.
• There is risk of fire or electric
shock.
Do not install, remove, or
re-install the unit by
yourself (customer).
• There is risk of fire, electric
shock, explosion, or injury.
Be cautious when
unpacking and installing
the product.
• Sharp edges could cause injury.
Be especially careful of the
case edges and the fins on the
condenser and evaporator.
For installation, always contact the
dealer or an Authorized Service Center.
• There is risk of fire, electric
shock, explosion, or injury.
Do not install the product on
a defective installation stand.
• It may cause injury, accident, or
damage to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air
conditioner could fall with it,
causing property damage,
product failure, and personal
injury.
Do not plug or unplug the
power supply plug during
operation.
• There is risk of fire or electric
shock.
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electrical
shock.
Do not place a heater or
other appliances near the
power cable.
• There is risk of fire and electric
shock.
Do not let the air conditioner run for a
long time when the humidity is very high
and a door or a window is left open .
• Moisture may condense and
wet or damage furniture.
Take care to ensure that power
cable could not be pulled out
or damaged during operation.
• There is risk of fire or electric
shock.
Do not place anything on
the power cable.
• There is risk of fire or electric
shock.

ENGLISH
Safety Precautions
Owner’s Manual 5
Do not allow water to run
into electric parts.
• It may cause There is risk of
fire, failure of the product, or
electric shock.
Do not store or use flammable
gas or combustibles near the
product.
• There is risk of fire or failure of
product.
Do not use the product in a
tightly closed space for a
long time.
• Oxygen deficiency could occur.
When flammable gas leaks,
turn off the gas and open a
window for ventilation
before turn the product on.
• Do not use the telephone or
turn switches on or off.
There is risk of explosion or fire
If strange sounds, or small or
smoke comes from product. Turn
the breaker off or disconnect the
power supply cable.
• There is risk of electric shock or
fire.
Stop operation and close the window
in storm or hurricane. If possible,
remove the product from the window
before the hurricane arrives.
• There is risk of property
damage, failure of product, or
electric shock.
Do not open the inlet grill of the
product during operation.
(Do not touch the electrostatic
filter, if the unit is so equipped.)
• There is risk of physical injury,
electric shock, or product
failure.
When the product is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of fire or electric
shock.
Be cautious that water
could not enter the product.
• There is risk of fire, electric
shock, or product damage.
Gasolin
Ventilate the product from time to time
when operating it together with a stove, etc.
• There is risk of fire or electric shock.
Turn the main power off when cleaning or
maintaining the product.
• There is risk of electric shock.

Safety Precautions
6Indoor Unit
■Installation
CAUTION
■Operation
Always check for gas
(refrigerant) leakage after
installation or repair of product.
• Low refrigerant levels may
cause failure of product.
Install the drain hose to ensure
that water is drained away
properly.
• A bad connection may cause
water leakage.
Keep level even when
installing the product.
• To avoid vibration or water
leakage.
Do not install the product where the
noise or hot air from the outdoor unit
could damage the neighborhoods.
• It may cause a problem for your
neighbors.
Use two or more people to lift
and transport the product.
• Avoid personal injury.
Do not install the product
where it will be exposed to
sea wind (salt spray) directly.
• It may cause corrosion on the product.
Corrosion, particularly on the condenser
and evaporator fins, could cause product
malfunction or inefficient operation .
90˚
When the product is not be used for a long
time, disconnect the power supply plug or
turn off the breaker.
•There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody could step
on or fall onto the outdoor unit.
•This could result in personal injury and product
damage.
Do not expose the skin directly to cool air
for long periods of time.
(Don't sit in the draft.)
•This could harm
to your health.
Do not use the product for special purposes, such as
preserving foods, works of art, etc. It is a consumer
air conditioner, not a precision refrigeration system.
•There is risk of
damage or
loss of property.

Safety Precautions
Owner’s Manual 7
ENGLISH
Do not block the inlet or
outlet of air flow.
•It may cause product failure.
Use a soft cloth to clean. Do
not use harsh detergents,
solvents, etc.
•There is risk of fire, electric
shock, or damage to the plastic
parts of the product.
Do not touch the metal parts of
the product when removing the
air filter. They are very sharp!
•There is risk of personal injury.
Wax
Thinner
Do not step on or put
anyting on the product.
(outdoor units)
•There is risk of personal injury
and failure of product.
Always insert the filter
securely. Clean the filter
every two weeks or more
often if necessary.
• A dirty filter reduces the efficiency
of the air conditioner and could
cause product malfunction or
damage.
Do not insert hands or other
objects through the air inlet
or outlet while the product
is operated.
•There are sharp and moving
parts that could cause personal
injury.
Do not drink the water
drained from the product.
•It is not sanitary and could
cause serious health issues.
Use a firm stool or ladder
when cleaning or
maintaining the product.
•Be careful and avoid personal
injury.
Replace the all batteries in the
remote control with new ones
of the same type. Do not mix
old and new batteries or
different types of batteries.
•There is risk of fire or explosion
Do not recharge or disassemble the
batteries. Do not dispose of batteries in a
fire.
•They may burn or explode.
If the liquid from the batteries gets onto your skin
or clothes, wash it well with clean water. Do not
use the remote if the batteries have leaked.
•The chemicals in batteries could cause burns or
other health hazards.

Prior to operation
8Indoor Unit
Prior to Operation
1. Contact an installation specialist for installation.
2. Use a dedicated circuit.
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.
2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or
other heating devices.
3. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision
devices, food, pets, plants, and art objects). Such usage could damage the items.
1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling
sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates
at a very high speed during operation. There is a possibility of injury if the unit’s power is
accidentally triggered on while cleaning inner parts of the unit.
For repair and maintenance, contact your authorized service dealer.
Preparing for operation
Usage
Cleaning and maintenance
Service

ENGLISH
Operating Instructions
Owner’s Manual 9
Operation indicating
lamps
Operating Instructions
Preparation before operation
Operating Instructions
How to Insert the Batteries
1. Remove the battery cover by pulling it according to the arrow
direction.
2. Insert new batteries making sure that the (+) and (-) of battery
are installed correctly.
3. Reattach the cover by sliding it back into position.
Use 2 AAA(1.5volt) batteries.
Do not use rechargeable batteries.
NOTICE
Storage and Tips For Using the Remote Controller
•The remote controller may be stored by mounting
it on a wall. •To operate the room air conditioner, aim the remote controller at the signal receptor.
Signal receptor
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)
Operation indicating lamps
On/Off : Lights up during the system operation.
Sleep Mode : Lights up during Sleep Mode Auto operation.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or *Hot
Start operation (Heat pump model only)
: Lights up during outdoor unit operation.
(Cooling model only)
NEO Plasma : The function illustrates its dynamic mode by using a multiple lighting system.
Outdoor Unit
Operation
*Hot Start operation: Stops the indoor fan in Heating Operation to prevent cold air from blowing out from unit.

Operating Instructions
10 Indoor Unit
Controls
ON OFF
CANCEL
SET
1
3
5
4
9
10
12
14
16
7
2
8
13
15
11
6
Cooling Operation
Auto Operation
Healthy Dehumidification Operation
Flip-up door
(opened)
Heating Operation
Signal transmitter
• Cooling Model( ), Heat Pump Model( )
17
AUTO CLEAN
Operation Mode
The controls will look like the following.
Remote Control Operations
1. START/STOP BUTTON
Operation starts when this button is pressed
and stops when the button is pressed again.
2. OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
3. ROOM TEMPERATURE SETTING
BUTTONS
Used to select the room temperature.
4. INDOOR FAN SPEED SELECTOR
Used to select fan speed in four steps
low, medium, high and CHAOS.
5. JET COOL/HEATING(OPTIONAL)
Used to start or stop the speed
cooling/heaing.(speed cooling/heating operates
super high fan speed in cooling/heatig mode.)
6. CHAOS SWING BUTTON
Used to stop or start louver movement and
set the desired up/down airflow direction.
7. ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping
operation.
8. TIME SETTING BUTTONS
Used to adjust the time.
9. TIMER SET/CANCEL BUTTON
Used to set the timer when the desired time
is obtained and to cancel the Timer
operation.
10. SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
11. AIR CIRCULATION BUTTON
Used to circulate the room air without
cooling or heating.
12. ROOM TEMPERATURE CHECKING
BUTTON
Used to check the room temperature.
13. NEO PLASMA(OPTIONAL)
Used to start or stop the
plasma-purification function.
14. HORIZONTAL AIRFLOW DIRECTION
CONTROL BUTTON (OPTIONAL)
Used to set the desired vertical airflow
direction.
15. RESET BUTTON
Used prior to resetting time.
16. 2nd F Button
Used prior to using modes printed in blue
at the bottom of buttons.
17. AUTO CLEAN (OPTIONAL)
Used to set Auto Clean mode.

Operating Instructions
Owner’s Manual 11
ENGLISH
Power button
High
Speed
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.
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.
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.
Heat pump Model
Cooling Model Room Temp. ≥24°C21°C ≤Room Temp. < 24°C Room Temp. < 21°C
Operating mode Cooling Cooling Healthy Dehumidification Heating
Indoor FAN Speed High High High High
Setting Temperature 22°C22°C23°C24°C
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.
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.
Auto restart function has set enable as factory default.
But customer can set up by following this instruction.
To be disable function
- Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1)
blinks 4 times.
To be enable function
- Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1)
brights 4 times.
NOTICE

12 Indoor Unit
Maintenance and Service
Maintenance and Service
CAUTION: Before performing any maintenance, turn off the main power to
the system.
Grille, Case, and Remote Controller
❏ Turn the system off before cleaning. To clean,
wipe with a soft, dry cloth. Do not use bleach
or abrasives.
Power supply must be disconnected
before cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be
checked and cleaned once in 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.
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.
NOTICE
Filter
Filter

Owner’s Manual 13
ENGLISH
Maintenance and Service
Air Filter
Air Filter
Front Panel Hook
Hook-Hanger
Air Filter
Plasma Purifier
Filter
Front Panel
Cleaning Filter
•Recomended use period : About 3 months
1. Lift the front panel, hold it up and pull the Air filter.
2. Remove the Plasma Filter.
WARNING: Don't touch the PLASMA Filter
within 10 seconds after opening the inlet
grille, it may cause electric shock.
3. Put the Plasma Filter into the neutral detergent for 1~2
hours and then raise it.
4. Insert the Plasma Filter after perfectly drying it in shade.
Now insert Air Filter and close the front panel completely
by matching the hook.

14 Indoor Unit
Maintenance and Service
CAUTION
CAUTION
When the air conditioner is not going to be used for a long time.
Operation Tips
Operate the air conditioner on Air
circulation mode for 2 to 3 hours.
•This will dry out the internal mechanisms.
When air conditioner is not going to be
used for a long time. When the air conditioner is used again.
Turn off the circuit breaker.
Remove the batteries from the remote
controller.
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 install it in the
indoor unit.
(Refer to page 13 for cleaning filters.)
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
Check that the ground wire is
connected correctly. It may be
connected to the indoor unit side.
Do not overcool the room.
This is not good for the 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
reduces the airflow and lowers
the cooling and dehumidifying
effects. Clean at least once in
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.

Owner’s Manual 15
ENGLISH
Maintenance and Service
Before you call for service...
Check the following points before requesting repairs or service.... If the malfunction persists,
please contact your dealer.
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 controller 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.
•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.
12
9
WATER RESISTANT: The indoor unit is not water resistant and should not be exposed to excess water.
NOTICE
?
Troubleshooting Tips! Save time and money!

Memo
16 Indoor Unit

P/No.: 3828A23001N Printed in Korea
After reading this manual, keep it in a place easily accessible to the user for future reference.