LG LRNN246BHA0, LRNV186BHA0, LRNV246BHA0, LRNN186BHA0 INSTALLATION MANUAL
System
Heat Pump Indoor Unit
INSTALLATION MANUAL
LG
MODELS: LRNN, LRNV-BE/BG/BH Series
Type: Ceiling Concealed Duct - High Static
website http://www.lgservice.com
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.
Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual
TABLE OF CONTENTS
Installation Requirements
Installation Parts Provided....3
Safety Precautions.................4
Installation
Selection the best location ....7
Ceiling opening dimension
and hanging bolt location ......8
Wiring Connection .................9
Required Parts Required Tools
❏ 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
Check the Drainage.............10
Installation of Remote
Control..................................13
Drain Pipe Work...................14
Installation of Drain Pump ...16
Optional Operation ..............18
❏ Twotype"B"screws
❏ A glass of water
❏ Screw driver
❏ Hexagonal wrench
❏ Gas-leak detector
❏ Vacuum pump
❏ Gauge manifold
❏ Owner's manual
❏ Thermometer
2 Indoor Unit
Air filters
Remote Controller
Air intake vents
Air outlet vents
Installation
Name
Quantity
Shape
for gas pipe
for liquid pipe
Clamp metal
1 EA
Insulation for
fitting
1 set 1 set
Drain hose
1 EA
(Other)
Clamp
6 EA
Screws for
duct flanges
• Owner's manual
• Installation manual
• Washers(8 pcs.)
Installation Parts Provided
Installation Manual 3
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.
•Thereisriskoffireorelectricshock.
Install the panel and the cover
of control box securely.
•Thereisriskoffireorelectricshock.
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.
• Improper wiring or installation may
cause fire or electric shock
Always ground the product.
•Thereisriskoffireorelectricshock.
Use the correctly rated breaker
or fuse.
•Thereisriskoffireorelectricshock.
4 Indoor Unit
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.
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 install the product on a
defective installation stand.
• It may cause injury, accident, or
damage to the product.
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.
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.
■ Operation
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
Safety Precautions
■ Installation
Always check for gas (refrigerant) leakage after installation or
repair of product.
• Low refrigerant levels may cause
failure of product.
Do not install the product where
the noise or hot air from the outdoor unit could damage the
neighborhoods.
• It may cause a problem for your
neighbors.
Install the drain hose to ensure
that water is drained away properly.
• A bad connection may cause water
leakage.
Use two or more people to lift
and transport the product.
• Avoid personal injury.
Keep level even when installing
the product.
• To avoid vibration or water leakage.
90˚
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.
6 Indoor Unit
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