LG LB-C366GTA0 Installation Manual
LG Ceiling Duct-Type
Air Conditioner
INSTALLATION MANUAL
LG
MODELS: LB-C246HSA0
LB-C306GTA0
LB-C366GTA0
LB-C428GTA0
LB-C488ETA0
LB-C608ETA0
IMPORTANT
• Please read this instruction sheet 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.
2 Ceiling 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
E.S.P.(External Static
Pressure) Setting ..............26
How to Set E.S.P? .............27
High-Static Motor
Connection (For 48k/60k
Model)
.................................28
External Static Pressure &
air Flow...............................28
Checking the
Power Cord
........................29
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.
4 Ceiling 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.
6 Ceiling 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
Air Intake
(side, rear)
Connecting Wire
Drain Hose
Power Wire
Connection Tube
Air Outlet
Vents
(Side)
(Rear)
Air intake
vents
Air outlet vents
Piping
Drain hose
Control cover
Connecting wire
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
8 Ceiling 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
90cm
More than 90cm
More than 120cm
More than 90cm
More than
90cm
Fence or
obstacles
✽
Fence or
obstacles
Fence or
obstacles
More than
30cm
Fence or
obstacles
Sunroof
More than
30cm
More than
70cm
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
30
30
35
40
70
70
100
Capacity
Gas
5/8"
5/8"
5/8"
5/8"
3/4"
3/4"
3/4"
Liquid
1/4"
1/4"
1/4"
1/4"
3/8"
3/8"
1/2"
Elevation B(m)
Length A(m)
*Additional
refrigerant
(g/m)
Pipe Size
(Diameter: Ø)
Standard
7.5
7.5
7.5
7.5
7.5
7.5
7.5
Standard
5
5
5
5
5
5
5
Max.
30
30
30
30
30
30
30
Max.
15
15
15
15
15
15
15
18K BTU/h
24K BTU/h
30K BTU/h
36K BTU/h
42K BTU/h
48K BTU/h
60K BTU/h
CAUTION:
• If 24K Model is installed at a distance of 15m, 225g of refrigerant
should be added (15-7.5) x 30g = 225g
• 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.
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