LG LB-H482ESG0 User manual

LG
Ceiling Duct-Type Air Conditioner
INSTALLATION MANUAL
LG
MODELS: LB-H482ESG0
LB-C482ESG0
LB-H602ESG0
LB-C602ESG0
LB-H48BESG0
LB-C48BESG0
LB-H60BESG0
LB-C60BESG0
IMPORTANT
• Please read this installation manual completely before
installing the product.
• When the power cord is damaged, replacement work shall
be performed by authorized personnel only.
• 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.

2Ceiling Duct Type Air Conditioner
Ceiling Duct Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Safety Precautions..............3
Introduction .........................7
Installation of Indoor,
Outdoor Unit ........................8
Connecting Pipes to the
Indoor Unit .........................18
Connecting Pipes to the
Outdoor Unit ......................20
Checking the Drainage .....20
Connecting Cables
between Indoor Unit and
Outdoor Unit ......................21
Air Purging of the
Connecting Pipes and the
Indoor Unit .........................24
Group Control....................25
Two Thermistor system ....25
Installation
Requirements Required Parts Required Tools
• Four Type “A” screws
• Connecting cable
• Level
• Screw driver
• Electric drill
• Hole core drill (ø70mm)
• Pipes: Gas side .....1/2", 5/8", 3/4"
Liquid side .............1/4", 3/8", 1/2"
• Insulated drain hose
• Insulation materials
• Flaring Tools set
• Additional Drain hose
(Inner Dia...............25mm)
• Screw driver
• Hexagonal Wrench (4mm/5mm)
• Gas-leak Detector

Safety Precautions
Installation Manual 3
ENGLISH
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
■Be sure to read before installing the air conditioner.
■Be sure to observe the cautions specified here as they include important items related to safety.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
■Meanings 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.
■Installation
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
Do not damage or use an unspecified power
cable.
• It will cause electric shock or fire.
Do not disassemble or repair the product.
• Contact your dealer and service center.
Always earth the product.
• It will cause fire or electric shock.
Do not handle the flamable gas or explosive
materials near the product.
• Otherwise, it may cause fire or failure of
product.
Do not install the product where flamable
gas could leak.
• Otherwise, it may cause esplosion or fire.
Do not install the product on the defected
installation stand.
• Otherwise, It may cause injury or accident.
Be cautious when unpack and install the
product.
• Sharp edges could cause injury.
For installation, always contact the dealer or
service center.
• Otherwise, it may cause fire, electric shock,
explosion or injury.
Do not install the product on an defected
installation stand.
• Otherwise, It may cause injury or accident.
For electric work, contact the dealer or
service center.
• Otherwise, It will cause fire or electric shock.

4Ceiling Duct Type Air Conditioner
Safety Precautions
Do not modify power cable length.
• It will cause fire or electric shock.
Always intstall a circuit breaker and
exclusive switching board.
• No installation may cause fire and electric
shock.
Use a rated breaker and fuse.
• Otherwise, it may cause fire and electric shock.
Do not use a defected circuit breaker and
exclusive switching board.
• Otherwise, it may cause fire and electric shock.
■Operation
Do not touch(operate) product with wet
hands.
• Otherwise, it may cause fire or electric shock.
If strange sound, smell or smoke comes
from product. Turn the breaker off or
disconnect the power supply cable.
• Otherwise, it may cause electric shock or fire.
Do not place the heater, etc. near the power
cable.
• Otherwise, it may cause fire and electric shock.
Do not put water into electric part.
• Otherwise, it may cause fire or failure of
product, and electric shock.
Ventilate the room frequently using with a
stove, etc.
• Otherwise, an ozygen shortage may occur.
When the product is not be used for a long
time, disconnect the power supply plug or
turn off the breaker.
• Otherwise, it may cause failure of product or
fire.
Do not place heavy object on the power
cable.
• Otherwise, it may cause fire or electric shock.
When the product is soaked, contact the
service center.
• Otherwise, it may cause fire or eletric shock.
Install the panel and the cover of control box
securely.
• Otherwise, it may cause fire and electric shock."
Do not turn the breaker on/off or
connect/disconnect the power supply plug
during operation.
• Otherwise, it may cause fire or electric shock.
Do not open the inlet grill of the product
during operation.
• Otherwise, it may cause electric shock or
failure.
Do no touch the metal parts of the product
when removing the air filter.
• Otherwise, it may cause personal injury.
Do not let children step on
the product.
• Otherwise, children may be
seriously injured.
Do not step or put anyting
on the product.
• Otherwise, it may cause
personal injury and failure of
product.
Be cautious that water could
not enter the product.
• Otherwise, it may cause fire or
electric shock.

Safety Precautions
Installation Manual 5
ENGLISH
■Operation
■Installation
Always inspect gas leakage after
installation and repair of product.
• Otherwise, it may cause failure of product.
Install the drain hose to ensure that drain
can be securely done.
• Otherwise, it may cause water leakage.
Keep the level even when install the
product.
• Otherwise, it may cause vibration or water
leakage.
Do not install the product where the noise
or hot wind from the outdoor unit could
give any damage to the neighborhoods.
• Otherwise, it may cause dispute with the
neighborhoods.
Do not carry the product by oneself.
• Otherwise it may harm to your health.
Do not install the product exposed to sea
wind(salt) directly.
• Otherwise, it may cause the rust on product.
Do not expose your skin directly to cool air
for a long time.
• Otherwise, it may harm to your health.
When flammable gas leaks, open the
window for ventilation before turn the
product on.
• Otherwise, it may cause explosion or fire.
Turn the main power off when cleaning the
product.
• Otherwise, it may cause fire and electric shock.
Do not put a pet or houseplant where it is
exposed to direct air flow.
• This could injure the pet or plant.
Do not use the product for special purpose
to preserve animals, vegetables, precision
device, or works of art, etc.
• Otherwise, it may cause loss of property.
Stop operation and close the window in
strom or hurricane.
• Otherwise, it may cause failure of product or
electric shock.
Do not place obstacles aroud the inlet or
outlet of air flow.
• Othewise, it may cause failure of product.
Always insert the filter securely.
Clean the filter every two weeks.
• Otherwise, it may cause failure of the product.
Use a soft cloth to clean, Do not use wax,
tinner or a strong detergent, etc.
• Otherwise, it may change the appearance of
the product.
Do not drink drained water from the
product.
• Otherwise, it may harm to your health.

6Ceiling Duct Type Air Conditioner
Safety Precautions
Do not insert your hand or bars, etc. into
the air inlet/outlet.
• Otherwise, it may cause personal injury.
Do not use the product at the closed space
for a long time.
• Otherwise, it may cause suffocation due to
poor oxygen.
Do not operate the product for a long time
at high humid place, and leave a door or a
window open.
• Otherwise, water may drop and wet or damage
furniture, etc.
Do not step on an unstable bench when
maintaining the product, etc.
• Otherwise, it may cause personal injury.
Replace the 2 batteries with new ones of
same type.
• Otherwise, it may cause fire or explosion.
Do not charge or disassemble the batteries
and throw into a fire.
• Otherwise, it may cause fire or an explosion.
If the liquid from the batteries gets onto
your skin or clothes, wash it well with clean
water.
• Otherwise it may harm to your health.

Installation Parts Provided
Installation Manual 7
ENGLISH
Air filters
(Optional)
Air outlet vents
Air intake vents
Remote Controller
(Side) (Rear)
Air intake vents
Air outlet vents
Piping
Drain hose
Connecting
wire
Control
cover
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE
Introduction
Symbols Used in this Manual
Features

8Ceiling Duct Type Air Conditioner
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
Indoor unit
Install the air conditioner in the location that
satisfies the following conditions.
•The place shall easily bear a load exceeding
four times the indoor unit’s weight.
•The place shall be able to inspect the unit as
the figure.
•The place where the unit shall be leveled.
•The place shall allow easy water
drainage.(Suitable dimension “H”is necessary
to get a slope to drain as figure.)
•The place shall easily connect with the
outdoor unit.
•The place where the unit is not affected by an
electrical noise.
•The place where air circulation in the room will
be good .
•There should not be any heat source or steam
near the unit
Outdoor unit
•If an awning is built over the unit to prevent
direct sunlight or rain exposure, be careful that
heat radiation from the condenser is not
restricted.
•There should not be any animals or plants
which could be affected by hot air discharged.
•Ensure the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
Selection of the best location
H
600600
Top view
(unit: mm)
Front view
Front
Inspection hole
(600X600)
Control box
1000
More than
30cm
More than
30cm
More than
70cm
Sunroof
Fence or
obstacles

Installation of Indoor, Outdoor Unit
Installation Manual 9
ENGLISH
Piping length and the elevation
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
If piping length is more than 5m
60
100
85
Capacity
Gas
3/4"
3/4"
3/4"
Liquid
3/8"
1/2"
1/2"
Elevation B(m)
Length A(m)
*Additional
refrigerant
(g/m)
Pipe Size
(Diameter: Ø)
Standard
7.5
7.5
7.5
Standard
5
5
5
Max.
50
50
50
Max.
30
30
30
48k Btu/h
60k Btu/h(1ø)
60k Btu/h(3ø)
CAUTION:
•If 48k Model is installed at a distance of 50m, 2550g of refrigerant
should be added (50-7.5) x 60g = 2550g
•Capacity is based on standard length and maximun allowance length
is on the basis of reliability.
•Improper refrigerant charge may result in abnormal cycle.
•Oil trap should be installed every 10 meters.

10 Ceiling Duct Type Air Conditioner
Installation of Indoor, Outdoor Unit
Indoor unit installation
Installation of Unit
Install the unit above the ceiling correctly.
•Apply a joint-canvas between the unit and duct
to absorb unnecessary vibration.
•Apply a filter Accessory at air return hole.
•Install the unit leaning to a drainage hole side
as a figure for easy water drainage.
•A place where the unit will be leveled and that
can support the weight of the unit.
•A place where the unit can withstand its
vibration.
•A place where service can be easily
performed.
CASE 1
POSITION OF SUSPENSION BOLT
Drainage hole
A
B
C
1-3 mm D
(G)
H
I
EF
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4 (Local
supply)
X 4
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4 (Local
supply)
X 4
CASE 2
POSITION OF CONSOLE BOLT
(Unit:mm)
48K BTU/h 1292 1230 570.5 54 680 30 120 1006 294
60K BTU/h
Dimension
Capacity
ABCDE F(G)HI