LG ABUQ24GGLA0, ABUQ18GHLA0 INSTALLATION MANUAL
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INSTALLATION MANUAL
AIR CONDITIONER
• 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.
P/NO : MFL67448509
Single A Air Conditioner Installation Manual
CONTENTS
Safety Precautions ..............................................................................................3
Installation of Outdoor Unit................................................................................6
Wiring Connection...............................................................................................9
Connecting Pipes ..............................................................................................12
Leakage test and Evacuation ...........................................................................15
Test running .......................................................................................................17
Function..............................................................................................................19
Self-diagnosis Function....................................................................................20
Installation Guide at the Seaside .....................................................................21
2 Air Conditioner
To prevent the injury of the user or other people and property damage, the following instructions
must be followed.
n Be sure to read before installing the air conditioner.
n Be sure to observe the cautions specified here as they include important items related to safety.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
n The meanings of the 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.
n Installation
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
Always perform grounding.
• Otherwise, it may cause electrical shock.
Donʼt use a power cord, a
plug or a loose socket which
is damaged.
• Otherwise, it may cause a fire
or electrical shock.
For installation of the product,
always contact the service center or a professional installation
agency.
•
Otherwise, it may cause a fire, electrical shock, explosion or injury.
Securely attach the electrical
part cover to the indoor unit
and the service panel to the
outdoor unit.
•
If the electrical part cover of the indoor
unit and the service panel of the outdoor unit are not attached securely, it
could result in a fire or electric shock
due to dust, water, etc.
Always install an air leakage
breaker and a dedicated
switching board.
• No installation may cause a fire
and electrical shock.
Do not keep or use flammable
gases or combustibles near
the air conditioner.
• Otherwise, it may cause a fire
or the failure of product.
Ensure that an installation frame of the outdoor unit is not damaged due to use for a long
time.
• It may cause injury or an accident.
Do not disassemble or repair the product randomly.
• It will cause a fire or electrical shock.
Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and do not use Flammable gases. Otherwise, it may cause fire or explosion.
• There is the risk of death, injury, fire or explosion.
Installation Manual 3
Safety Precautions
4 Air Conditioner
Safety Precautions
Do not install the product at a place that there
is concern of falling down.
• Otherwise, it may result in personal injury.
Use caution when unpacking and installing.
• Sharp edges may cause injury.
Take the power plug out if
necessary, holding the head
of the plug and do not touch
it with wet hands.
• Otherwise, it may cause a fire
or electrical shock.
Do not use the power cord
near the heating tools.
• Otherwise, it may cause a fire
and electrical shock.
Do not open the suction
inlet of the indoor/outdoor
unit during operation.
• Otherwise, it may electrical
shock and failure.
Do not allow water to run
into electrical parts.
• Otherwise, it may cause the
failure of machine or electrical
shock.
Hold the plug by the head
when taking it out.
• It may cause electric shock
and damage.
Never touch the metal parts
of the unit when removing
the filter.
• They are sharp and may
cause injury.
Do not share the outlet with
other appliances.
• It will cause an electric shock
or a fire due to heat generation.
Do not use the damaged
power cord.
• Otherwise, it may cause a fire
or electrical shock.
Do not modify or extend the
power cord randomly.
• Otherwise, it may cause a fire
or electrical shock.
Take care so that the power
cord may not be pulled during operation.
• Otherwise, it may cause a fire
or electrical shock.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
• Otherwise, it may cause electrical shock or a fire.
Keep the flames away.
• Otherwise, it may cause a fire.
Do not step on the indoor/outdoor unit and
do not put anything on it.
• It may cause an injury through dropping of the
unit or falling down.
Do not place a heavy object on the power
cord.
• Otherwise, it may cause a fire or electrical
shock.
When the product is submerged into water,
always contact the service center.
• Otherwise, it may cause a fire or electrical
shock.
Take care so that children may not step on
the outdoor unit.
• Otherwise, children may be seriously injured
due to falling down.
n Operation
Installation Manual 5
Safety Precautions
n Installation
Install the drain hose to ensure that drain
can be securely done.
• Otherwise, it may cause water leakage.
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause dispute with the neighbors.
Always inspect gas leakage after the installation and repair of product.
• Otherwise, it may cause the failure of product.
Keep level parallel in installing the product.
• Otherwise, it may cause vibration or water
leakage.
Avoid excessive cooling and perform ventilation sometimes.
• Otherwise, it may do harm to your health.
Use a soft cloth to clean. Do not use wax,
thinner, or a strong detergent.
• The appearance of the air conditioner may
deteriorate, change color, or develop surface
flaws.
Do not use an appliance for special purposes
such as preserving animals vegetables, precision machine, or art articles.
• Otherwise, it may damage your properties.
Do not place obstacles around the flow inlet
or outlet.
• Otherwise, it may cause the failure of appliance or an accident.
n Operation
1. Installation Places
• If an awning is built over the unit to prevent direct
sunlight or rain exposure, make sure that heat
radiation from the condenser is not restricted.
• Ensure that the spaces indicated by arrows
around front, back and side of the unit.
• Do not place animals and plants in the path of
the warm air.
• Take the air conditioner weight into account and
select a place where noise and vibration are minimum.
• Select a place so that the warm air and noise
from the air conditioner do not disturb neighbors.
More than
300mm
Installation of Outdoor Unit
Installation of Outdoor Unit
2. Piping length and the elevation
6 Air Conditioner
Unit : mm
FREE JOINT SINGLE OUTDOOR
Ceiling Cassette
Model Capacity
Pipe Size Length A(m) Elevation B(m)
Additional
Refrigerant
(g/m)
Gas Liquid Standard Max. Standard Max.
AUUQ18GH1 5kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
AUUQ21GH1 6kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
AUUQ24GH1 7kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AUUQ36GH1 10kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AUUQ42GH1 12.5kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AUUQ48GH1 13.4kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AUUQ54GH1 15.8kW Ø19.05(3/4) Ø9.52(3/8) 7.5 50 5 30 40
Model Capacity
Pipe Size Length A(m) Elevation B(m)
Additional
Refrigerant
(g/m)
Gas Liquid Standard Max. Standard Max.
ATUQ18GPLE3 5kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
ATUQ21GPLE3 6kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
ATUQ24GNLE3 7kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ATUQ36GMLE3 10kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ATUQ42GMLE3 12.5kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ATUQ48GMLE3 13.4kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ATUQ54GMLE3 15.8kW Ø19.05(3/4) Ø9.52(3/8) 7.5 50 5 30 40
More than
300mm
Fence or
obstacles
Sunroof
More than 700mm
More than
More than
300mm
300mm
More than 600mm
Installation Manual 7
Installation of Outdoor Unit
Ceiling Suspended Air conditioner
Ceiling Concealed Duct
Ceiling Concealed Duct – Low static
Model Capacity
Pipe Size Length A(m) Elevation B(m)
Additional
Refrigerant
(g/m)
Gas Liquid Standard Max. Standard Max.
AVUQ18GJLA0 5kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
AVUQ21GJLA0 6kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
AVUQ24GJLA0 7kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AVUQ36GKLA0 10kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AVUQ42GLLA0 12.5kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AVUQ48GLLA0 13.4kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
AVUQ54GLLA0 15.8kW Ø19.05(3/4) Ø9.52(3/8) 7.5 50 5 30 40
Model Capacity
Pipe Size Length A(m) Elevation B(m) Additional
Gas Liquid Standard Max. Standard Max. (g/m)
ABUQ18GHLA0
ABUQ18GL2A0
5kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
ABUQ21GHLA0
ABUQ21GL2A0
6kW Ø12.7(1/2) Ø6.35(1/4) 7.5 30 5 15 20
ABUQ24GGLA0
ABUQ24GL3A0
7kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ABUQ36GGLA0 10kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ABUQ42GRLA0 12.5kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ABUQ48GRLA0 13.4kW Ø15.88(5/8) Ø9.52(3/8) 7.5 50 5 30 40
ABUQ54GRLA0 15.8kW Ø19.05(3/4) Ø9.52(3/8) 7.5 50 5 30 40
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