LG AUUQ54LH1 installation guide
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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 : MFL67448516
Single A Air Conditioner Installation Manual
CONTENTS
Safety Precautions ..............................................................................................3
Model Line up ......................................................................................................6
Installation of Outdoor Unit................................................................................6
Wiring Connection...............................................................................................8
Connecting Pipes ..............................................................................................11
Leakage test and Evacuation ...........................................................................16
Test running .......................................................................................................18
Function..............................................................................................................20
Self-diagnosis Function....................................................................................21
Installation Guide at the Seaside .....................................................................22
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.
Don’t use a Power cable, 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.
Be sure to install an earth
leakage breaker.
• Failure to install an earth leakage breaker may result in
electric shocks or fire.
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.
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 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 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 cable.
• 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.
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 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.
Do not use the product for special purposes,
such as preserving foods, works of art, etc.
It is a consumer air conditioner, not a precision refrigeration system
• Otherwise, it may damage your properties.
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
300 mm
Model Line up
Installation of Outdoor Unit
Specification of derivative model on the above table is same as base model.
(This Manual is written by base model name)
Model Line up
2. Piping length and the elevation
6 Air Conditioner
Unit : mm
FREE JOINT SINGLE OUTDOOR
Model Capacity
Pipe Size Length A(m) Elevation B(m)
Additional
Refrigerant
(g/m)
Gas Liquid Standard Max. Standard Max.
AUUQ30LH1 30 kBtu/h
Ø 15.88(5/8)
Ø 9.52(3/8) 7.5 50 5 30 20
AUUQ36LH1 36 kBtu/h
Ø 15.88(5/8)
Ø 9.52(3/8) 7.5 50 5 30 20
AUUQ42LH1 42 kBtu/h
Ø 15.88(5/8)
Ø 9.52(3/8) 7.5 50 5 30 20
AUUQ48LH1 48 kBtu/h
Ø 15.88(5/8)
Ø 9.52(3/8) 7.5 50 5 30 20
AUUQ54LH1 54 kBtu/h
Ø 19.05(3/4)
Ø 9.52(3/8) 7.5 50 5 30 40
Base Model Derivative Model
AUUQ30LH1
ATUQ30LMLE3 / ABUQ30LGLA0
AVUQ30LKLA0 / APUQ30LRA1
AUUQ36LH1
ATUQ36LMLE3 / ABUQ36LGLA0
AVUQ36LKLA0 / APUQ36LRA1
AUUQ42LH1
ATUQ42LMLE3 / ABUQ42LRLA0
AVUQ42LLLA0 / APUQ42LTA1
AUUQ48LH1
ATUQ48LMLE3 / ABUQ48LRLA0
AVUQ48LLLA0 / APUQ48LTA1
AUUQ54LH1 ATUQ54LMLE3 / ABUQ54LRLA0
More than
300 mm
Fence or
obstacles
Sunroof
More than 700 mm
More than
More than
300 mm
300 mm
More than 600 mm
Installation Manual 7
Installation of Outdoor Unit
Night Silent Operation setting
1. Open the Side panel or Top Cover of outdoor unit.
2. Set the SW01N.
3. Close the Side panel or Top Cover.
SW01N
If installed tube is shorter than 7.5 m, additional charging is not necessary.
Additional Refrigerant = (A -7.5) x Additional refrigerant (g)
CAUTION:
• Capacity is based on standard length and maximum allowance length is on the
basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
Indoor unit
Outdoor unit
A
B
Outdoor unit
Indoor unit
A
B
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