LG LB-C366GTA0 Installation Manual
LG
LG Ceiling Duct-Type
Air Conditioner
INSTALLATION MANUAL
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.
Ceiling Duct Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation
Required Parts Required Tools
Requirements
Safety Precautions.............. |
3 |
Introduction ......................... |
7 |
Installation of Indoor, |
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Outdoor Unit ........................ |
8 |
Connecting Pipes to the |
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Indoor Unit ......................... |
18 |
Connecting Pipes to the |
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Outdoor Unit ...................... |
20 |
Checking the Drainage ..... |
20 |
Connecting Cables |
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between Indoor Unit and |
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Outdoor Unit ...................... |
21 |
• Four Type “A” screws |
• Level |
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• Connecting cable |
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• Screw driver |
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• Electric drill |
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• Hole core drill (ø70mm) |
• Pipes: Gas side .....1/2", 5/8", 3/4" |
• Flaring Tools set |
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Liquid side .............1/4", 3/8", 1/2" |
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• Insulated drain hose |
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• Insulation materials |
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• Additional Drain hose |
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(Inner Dia............... |
25mm) |
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• Screw driver
Air Purging of the |
• Hexagonal Wrench (4mm/5mm) |
Connecting Pipes and the |
• Gas-leak Detector |
Indoor Unit ......................... |
24 |
Group Control.................... |
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Two Thermistor system .... |
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E.S.P.(External Static |
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Pressure) Setting .............. |
26 |
How to Set E.S.P? ............. |
27 |
High-Static Motor |
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Connection (For 48k/60k |
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Model)................................. |
28 |
External Static Pressure & |
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air Flow............................... |
28 |
Checking the |
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Power Cord ........................ |
29 |
2 Ceiling Duct Type Air Conditioner
Safety Precautions
Safety Precautions
damage, the following instructions must be
.
they include important items related to safety.
cause harm or damage. The seriousness is classified
possibility of death or serious injury.
possibility of injury or damage.
shown below.
sure not to do.
to follow the instruction.
Do not damage or use an unspecified power Do not disassemble or repair the product. cable.
•It will cause electric shock or fire.
Always earth the product.
•It will cause fire or electric shock.
Do not install the product where flamable gas could leak.
•Otherwise, it may cause esplosion or fire.
Be cautious when unpack and install the product.
•Sharp edges could cause injury.
Do not install the product on an defected installation stand.
•Otherwise, It may cause injury or accident.
•Contact your dealer and service center.
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 on the defected installation stand.
•Otherwise, It may cause injury or accident.
For installation, always contact the dealer or service center.
•Otherwise, it may cause fire, electric shock, explosion or injury.
For electric work, contact the dealer or service center.
•Otherwise, It will cause fire or electric shock.
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Installation Manual 3
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.
Do not use a defected circuit breaker and exclusive switching board.
• Otherwise, it may cause fire and electric shock. • 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.
Do not place heavy object on the power cable.
•Otherwise, it may cause fire or electric shock.
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.
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.
Do not turn the breaker on/off or connect/disconnect the power supply plug during operation.
• Otherwise, it may cause fire and electric shock." • 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
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.
4 Ceiling Duct Type Air Conditioner
Safety Precautions
■ Installation
Always inspect gas leakage after installation and repair of product.
•Otherwise, it may cause failure of product.
Keep the level even when install the product.
•Otherwise, it may cause vibration or water leakage.
Do not carry the product by oneself.
•Otherwise it may harm to your health.
Install the drain hose to ensure that drain can be securely done.
•Otherwise, it may cause 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 install the product exposed to sea wind(salt) directly.
•Otherwise, it may cause the rust on product.
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Do not expose your skin directly to cool air |
When flammable gas leaks, open the |
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for a long time. |
window for ventilation before turn the |
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product on. |
• Otherwise, it may harm to your health. |
• Otherwise, it may cause explosion or fire. |
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Turn the main power off when cleaning the |
Do not put a pet or houseplant where it is |
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product. |
exposed to direct air flow. |
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• Otherwise, it may cause fire and electric shock. • This could injure the pet or plant. |
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Do not use the product for special purpose |
Stop operation and close the window in |
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to preserve animals, vegetables, precision |
strom or hurricane. |
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device, or works of art, etc. |
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•Otherwise, it may cause loss of property.
Do not place obstacles aroud the inlet or outlet of air flow.
•Othewise, it may cause failure of 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.
•Otherwise, it may cause failure of product or electric shock.
Always insert the filter securely. Clean the filter every two weeks.
•Otherwise, it may cause failure of the product.
Do not drink drained water from the product.
•Otherwise, it may harm to your health.
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Installation Manual 5
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
Replace the 2 batteries with new ones of same type.
•Otherwise, it may cause fire or 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.
Do not step on an unstable bench when maintaining the product, etc.
•Otherwise, it may cause personal injury.
Do not charge or disassemble the batteries and throw into a fire.
•Otherwise, it may cause fire or an explosion.
6 Ceiling Duct Type Air Conditioner
Installation Parts Provided
Introduction
Symbols
Used
in
this
Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the air conditioner.
NOTICE This symbol indicates special notes.
Features
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Air outlet vents |
Air filters |
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(Optional) |
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Air intake vents |
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Remote Controller 
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Air Intake |
Connecting Wire |
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(side, rear) |
Power Wire |
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Air Outlet |
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Vents |
Connection Tube |
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Air outlet vents |
(Side) |
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(Rear) |
Drain Hose |
Air intake vents
Control cover
Connecting wire
Piping
Drain hose
Installation Manual 7
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
Selection
of
the
best
location
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.
Top view |
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Inspection hole |
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(unit: mm) |
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Control box |
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600 |
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<![if ! IE]> <![endif]>1000 |
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600 |
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Front
Front view
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H |
More |
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Sunroof |
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30cm |
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Fence |
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or |
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obstacles |
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30cm |
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More than |
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70cm |
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Fence or |
than 120cm |
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obstacles |
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More than |
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90cm |
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Fence |
or |
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More than |
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90cm |
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obstacles |
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More than 90cm |
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More than 90cm
8 Ceiling Duct Type Air Conditioner
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Installation of Indoor, Outdoor Unit |
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Piping length and the elevation |
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Pipe Size |
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Length A(m) |
Elevation B(m) |
*Additional |
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(Diameter: Ø) |
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Capacity |
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refrigerant |
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Gas |
Liquid |
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Standard |
Max. |
Standard |
Max. |
(g/m) |
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18K BTU/h |
5/8" |
1/4" |
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7.5 |
30 |
5 |
15 |
30 |
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24K BTU/h |
5/8" |
1/4" |
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7.5 |
30 |
5 |
15 |
30 |
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30K BTU/h |
5/8" |
1/4" |
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7.5 |
30 |
5 |
15 |
35 |
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36K BTU/h |
5/8" |
1/4" |
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7.5 |
30 |
5 |
15 |
40 |
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42K BTU/h |
3/4" |
3/8" |
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7.5 |
30 |
5 |
15 |
70 |
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48K BTU/h |
3/4" |
3/8" |
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7.5 |
30 |
5 |
15 |
70 |
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60K BTU/h |
3/4" |
1/2" |
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7.5 |
30 |
5 |
15 |
100 |
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Outdoor unit
Outdoor unit
Indoor unit
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A |
Oil trap |
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Outdoor unit |
B |
Indoor |
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B |
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Indoor unit |
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If piping length is more than 5m |
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.
Installation Manual 9
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