LG
System
Indoor Unit
INSTALLATION MANUAL
MODELS: VJ Series
Type: Ceiling Suspended Convertable
IMPORTANT
•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.
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Ceiling Suspended Convertable Type Indoor Unit Installation Manual
TABLE OF CONTENTS
Installation Requirements
Introduction ............................. |
3 |
Safety Precautions ................. |
4 |
Installation |
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Selection of the best location 7 |
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Preparing Work for Installation |
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7 |
Indoor unit Installation............ |
9 |
Preparation of Piping........... |
10 |
Checking the Drainage........ |
12 |
Wiring Connection............... |
12 |
Side Cover Assembly.......... |
14 |
Installation of Remote |
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Control.................................. |
15 |
Optional Operation .............. |
16 |
Required Parts |
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Required Tools |
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Installation guide map
Four type "A" screws & plastic anchors
Connecting cable
Pipes: Gas side
Liquid side
(Refer to Product Data)
Insulation materials
Additional drain pipe
Level gauge
Screw driver
Electric drill
Hole core drill
Horizontal meter
Flaring tool set
Specified torque wrenches (different depending on model No.)
Spanner .......Half union
Hexagonal wrench
Gas-leak detector
Vacuum pump
Gauge manifold
Owner's manual
Thermometer
2 
Indoor Unit
Installation Parts
Introduction
Symbols
used
in
this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the air conditioner.
NOTICE This symbol indicates special notes.
Features
Air Discharge
Signal Receptor
Right Side Cover 
Air Filter
Left Side Cover
Inlet Grill
Drain hose
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Installation Manual 3
Safety Precautions
Safety Precautions
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.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
■ 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.
Install the panel and the cover of control box securely.
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 install a dedicated circuit and breaker.
• There is risk of fire or electric shock. |
• Improper wiring or installation may |
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cause fire or electric shock. |
Always ground the product.
• There is risk of fire or electric shock.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
4 
Indoor Unit
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Safety Precautions |
Do not modify or extend the |
Do not let the air conditioner |
Be cautious when unpacking |
power cable. |
run for a long time when the |
and installing the product. |
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humidity is very high and a door |
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or a window is left open. |
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• There is risk of fire or electric shock. |
• Moisture may condense and wet or |
• Sharp edges could cause injury. Be |
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damage furniture. |
especially careful of the case edges |
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and the fins on the condenser and |
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evaporator. |
For installation, always contact |
Do not install the product on a |
Be sure the installation area |
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the dealer or an Authorized |
defective installation stand. |
does not deteriorate with age. |
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Service Center. |
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• There is risk of fire, electric shock, |
• It may cause injury, accident, or |
• If the base collapses, the air condi- |
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explosion, or injury. |
damage to the product. |
tioner could fall with it, causing prop- |
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erty damage, product failure, and |
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personal injury. |
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Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Gasolin
Installation Manual 5
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