LG Multi V User manual

www.lg.com
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
Convertible
Original instruction
[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared
Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,
Changwon-si, Gyeongsangnam-do, KOREA
INSTALLATION MANUAL
AIR
CONDITIONER
P/NO : MFL68800307
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ

2Indoor Unit
Convertible type Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation
Requirements Required Parts Required Tools
oFour type "A" screws & plastic
anchors
oConnecting cable
o Installation guide map
oPipes: Gas side..............3/8", 1/2"
Liquid side ...................1/4"
oInsulation materials
oAdditional drain pipe
(Outer diameter ..............15.5mm)
oTwo type "B" screws
oLevel gauge
oScrew driver
oElectric drill
oHole core drill
(Ø 25 mm, Ø 45 mm, Ø 65 mm)
oHorizontal meter
oFlaring tool set
oSpecified torque wrenches
1.8 kg·m, 4.2 kg·m, 5.5 kg·m, 6.6
kg·m
(different depending on model No.)
oSpanner ........................Half union
oA glass of water
oScrew driver
oHexagonal wrench(4 mm)
oLeak detector
oVacuum pump
oGauge manifold
oOwner's manual
oThermometer
oRemote control holder
Safety Precautions ..........................3
Introduction ....................................10
Symbols used in this Manual .......10
Features .......................................10
Installation ......................................11
Installation Parts...........................11
Installation Tools...........................11
Wired remote controller installation .
.....................................................12
Installation Map............................13
Select the best Location .............14
Preparing Work for Installation.....14
Mounting the installation plate
(Wall Mounting) ...........................15
Mounting the anchor Nut &
Bolt(Ceiling Mounting)..................15
Checking the Drainage ................17
Panel Front Assembly ..................17
Flaring Work.................................18
Drill a Hole in the Wall .................19
Connecting the Piping..................19
Precautions when laying power
wiring............................................21
Wiring Connection........................21
Dip Switch Setting........................23
Group Control Setting ..................24
Model Designation ......................29
Airborne Noise Emission..............29
Limiting concentration ..................29

Installation Manual 3
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
nBe sure to read before installing the air conditioner.
nBe sure to observe the cautions specified here as they include important items related to safety.
nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
nMeanings of symbols used in this manual are as shown below.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
nInstallation
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
ENGLISH
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.

4Indoor Unit
Safety Precautions
Do not turn on the breaker or
power under condition that front
panel, cabinet, top cover,
controlbox cover are removed or
opened.
• Otherwise, it may cause fire, electric
shock, explosion or death.
Use a vacuum pump or Inert
(nitrogen) gas when doing leakage
test or air purge. Do not compress
air or Oxygen and Do not use
Flammable gases. Otherwise, it
may cause fire or explosion.
• There is the risk of death, injury, fire
or explosion.
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 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.

Safety Precautions
Installation Manual 5
ENGLISH
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.
nOperation
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 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.

6Indoor Unit
Safety Precautions
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.
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 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.

Safety Precautions
Installation Manual 7
ENGLISH
nInstallation
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.

8Indoor Unit
Safety Precautions
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.
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 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.
nOperation

Safety Precautions
Installation Manual 9
ENGLISH
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.
If you eat the liquid
from the
batteries, brush your
teeth and see doctor.
Do not use the remote
if the batteries have
leaked.
• The chemicals in
batteries could cause
burns or other health
hazards.

10 Indoor Unit
Introduction
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE
Features
Air filters
(behind front panel)
Air outlet vent
Vertical louver Horizontal louver
Air inlet vent
Symbols used in this Manual
Introduction