LG LB-C306GTA2 Installation Manual
LG
LG Ceiling Duct-Type
Air Conditioner
INSTALLATION MANUAL
MODELS: LB-C186HSA2
LB-C246HSA2
LB-C306GTA2
LB-C366GTA2/3
LB-C428GTA2
LB-C488RTA0
LB-C608RTA0
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.
Ceiling Duct Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation
Required Parts Required Tools
Requirements
Safety Precautions.............. |
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Introduction ......................... |
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Installation of Indoor, |
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Outdoor Unit ........................ |
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Connecting Pipes to the |
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Indoor Unit ......................... |
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Connecting Pipes to the |
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Outdoor Unit ...................... |
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Checking the Drainage ..... |
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Connecting Cables |
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between Indoor Unit and |
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Outdoor Unit ...................... |
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• 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 .....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 ......................... |
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Group Control.................... |
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Two Thermistor system .... |
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E.S.P.(External Static |
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Pressure) Setting .............. |
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How to Set E.S.P? ............. |
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External Static Pressure & |
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air Flow............................... |
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Auto Function Setting....... |
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Checking the |
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Power Cord ........................ |
28 |
2 Ceiling Duct Type Air Conditioner
Safety Precautions
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 |
This symbol indicates the possibility of death or serious injury. |
CAUTION |
This symbol indicates the possibility of injury or damage. |
■ 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 |
Always ground the product. |
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dealer, seller, a qualified electrician, |
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or an Authorized Service Center. |
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• Do not disassemble or repair the product. |
• There is risk of fire or electric shock. |
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There is risk of fire or electric shock. |
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Install the panel and the cover of |
Always install a dedicated circuit |
Use the correctly rated breaker or |
control box securely. |
and breaker. |
fuse. |
• There is risk of fire or electric shock. |
• Improper wiring or installation may cause fire |
• There is risk of fire or electric shock. |
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or electric shock |
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<![endif]>ENGLISH
Installation Manual 3
Safety Precautions
Do not modify or extend the power cable.
• There is risk of fire or electric shock.
For installation, always contact the dealer or an Authorized Service Center.
• There is risk of fire, electric shock, explosion, or injury.
Be sure the installation area does not deteriorate with age.
• If the base collapses, the air conditioner could fall with it, causing
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.
Do not install the product on a defective installation stand.
• It may cause injury, accident, or damage to the product.
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.
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Gasolin
4 Ceiling Duct Type Air Conditioner
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Safety Precautions |
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CAUTION |
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■ Installation |
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Always check for gas (refrigerant) leakage after |
Install the drain hose to ensure that water is drained |
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installation or repair of product. |
away properly. |
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• Low refrigerant levels may cause failure of product. |
• A bad connection may cause water leakage. |
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Keep level even when installing the product. |
Do not install the product where the noise or hot air from |
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the outdoor unit could damage the neighborhoods. |
• To avoid vibration or water leakage. |
• It may cause a problem for your neighbors. |
<![endif]>ENGLISH
90°
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.
Installation Manual 5
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
Air outlet vents |
Air filters |
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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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Air outlet vents |
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Vents |
Connection Tube |
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(Rear) |
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(Side) |
Drain Hose |
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Air intake |
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vents |
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Control cover
Connecting wire
Piping
Drain hose
6 Ceiling Duct Type Air Conditioner
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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Control box |
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Front
Front view
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H |
More |
Sunroof |
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30cm |
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Fence |
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or |
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More than |
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 |
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More than |
obstacles |
More than 90cm |
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or |
90cm |
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More than 90cm |
<![endif]>ENGLISH
Installation Manual 7
Installation of Indoor, Outdoor Unit
Piping length and the elevation
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Pipe Size |
Length A(m) |
Elevation B(m) |
*Additional |
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(Diameter: Ø) |
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Capacity |
refrigerant |
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Gas |
Liquid |
Standard |
Max. |
Standard |
Max. |
(g/m) |
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18K BTU/h |
5/8" |
1/4" |
7.5 |
30 |
5 |
15 |
30 |
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24K BTU/h |
5/8" |
1/4" |
7.5 |
30 |
5 |
15 |
35 |
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30K BTU/h |
5/8" |
1/4" |
7.5 |
30 |
5 |
15 |
30 |
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36K BTU/h |
5/8" |
1/4" |
7.5 |
30 |
5 |
15 |
40 |
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LB-C366GTA3 |
5/8" |
1/4" |
7.5 |
30 |
5 |
15 |
50 |
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42K BTU/h |
3/4" |
3/8" |
7.5 |
30 |
5 |
15 |
50 |
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48K BTU/h |
3/4" |
3/8" |
7.5 |
30 |
5 |
15 |
60 |
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60K BTU/h |
3/4" |
1/2" |
7.5 |
30 |
5 |
15 |
90 |
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Outdoor unit |
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Outdoor unit |
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Indoor unit |
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A |
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Oil trap |
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Outdoor unit |
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B |
Indoor |
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Indoor unit |
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If piping length is more than 5m |
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CAUTION:
•If 48k Model is installed at a distance of 15m, 450g of refrigerant should be added (15-7.5) x 60g = 450g
•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.
8 Ceiling Duct Type Air Conditioner
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Installation of Indoor, Outdoor Unit |
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Indoor unit installation |
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Installation of Unit |
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A |
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<![if ! IE]> <![endif]>C E |
<![if ! IE]> <![endif]>ENGLISH |
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POSITION OF SUSPENSION BOLT |
B |
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Install the unit above the ceiling correctly. |
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CASE 1 |
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• |
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canvas between the unit and duct |
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<![if ! IE]> <![endif]>D |
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unnecessary vibration. |
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(G) |
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<![if ! IE]> <![endif]>F |
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Accessory at air return hole. |
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(Unit:mm) |
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Dimension |
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Capacity |
A |
B |
C |
D |
E |
F |
(G) |
H |
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<![if ! IE]> <![endif]>3 mm |
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18K BTU/h |
948 |
880 |
355 |
45.5 |
450 |
30 |
87 |
750 |
163 |
<![if ! IE]> <![endif]>I |
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24K BTU/h |
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30K BTU/h |
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H |
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<![if ! IE]> <![endif]>1- |
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36K BTU/h |
1248 1180 |
355 |
45.5 |
450 |
30 |
87 |
830 |
186 |
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42K BTU/h |
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Drainage hole |
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48K BTU/h |
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1292 1230 |
477 |
56 |
590 |
30 |
120 |
1006 294 |
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60K BTU/h |
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leaning to a drainage hole side |
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easy water drainage. |
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CASE 2 |
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M10 Nut |
X 4 |
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POSITION OF CONSOLE BOLT |
M10 SP. washer X 4 |
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M10 washer |
X 4 |
supply) |
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the unit will be leveled and that |
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the weight of the unit. |
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the unit can withstand its |
M10 washer |
X 4 |
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M10 SP. washer X 4 |
(Local |
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service can be easily |
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M10 Nut |
X 4 |
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Installation Manual 9
Installation of Indoor, Outdoor Unit
•Select and mark the position for fixing bolts.
•Drill the hole for set anchor on the face of ceiling.
•Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling.
•Mount the suspension bolts to the set anchor firmly.
•Secure the installation plates onto the suspension bolts (adjust level roughly) using nuts, washers and spring washers.
CAUTION:
Tighten the nut and bolt to prevent unit falling.
Old building |
New building |
1 |
Set anchor |
2 |
Plate washer |
3 |
Spring washer |
4 |
Nut |
5 Suspension |
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bolts |
10 Ceiling Duct Type Air Conditioner
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