LG ARNU18GTLA1, LRNU24GTLA0, LRNU18GTLA0 INSTALLATION MANUAL
System
Indoor Unit
INSTALLATION MANUAL
LG
MODELS: TL Series
Type: Ceiling Mounted Cassette - 2Way
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.
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
2 Indoor Unit
Ceiling Mounted Cassette - 2Way Type Indoor Unit Installation Manual
TABLE OF CONTENTS
❏ 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
Installation Parts ....................3
Safety Precautions.................4
Installation
Selection of the best location7
Ceiling dimension and hang-
ing bolt location......................8
Wiring Connection.................9
Installation of Decoration
Panel....................................10
Drain Piping .........................11
Installation of Remote
Control..................................13
Optional Operation..............14
Installation Requirements
Required Parts Required Tools
Installation Manual 3
Installation Parts
ENGLISH
Anti-bacteria filter
Air Outlet
Air Intake
Installation Parts
Name
Quantity
Shape
for gas pipe
for liquid pipe
Clamp metal
2 EA
Insulation for
fitting
1 SET
Drain hose
1 EA
Plastic band
8 EA
Washer for
hanging backet
4 EA
(Other)
• Paper pattern for
installation
• Owner's manual
• Installation manual
4 Indoor Unit
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be f ollowed.
■ 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 to properties only.
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.
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 ground the product.
• There is risk of fire or electric shock.
Install the panel and the cover
of control box securely.
• There is risk of fire or electric shock.
Always install a dedicated circuit and breaker.
• Improper wiring or installation may
cause fire or electric shock.
Use the correctly rated breaker
or fuse.
• There is risk of fire or electric shock.
Installation Manual 5
Safety Precautions
ENGLISH
■ Operation
Do not modify or extend the
power cable.
• There is risk of fire or electric shock.
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.
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.
For installation, always contact
the dealer or an Authorized
Service Center.
• There is risk of fire, electric shock,
explosion, or injury.
Do not install the product on a
defective installation stand.
• It may cause injury, accident, or
damage to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and
personal injury.
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Gasolin
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