LG VX122H4 NJMO User manual

VM182H9 NKM3
VM182H9 USM3
NKM3
USM3
01_020224

TABLE OF CONTENTS
This manual may contain images or
content that may be different from the
model you purchased.
This manual is subject to revision by the
manufacturer.
SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE...........................................................3
WARNING INSTRUCTIONS ................................................................................3
CAUTION INSTRUCTIONS .................................................................................8
OPERATION
Before Use ........................................................................................................10
Product Overviews...........................................................................................11
Preparation before Operation........................................................................12
Wireless Remote Control Overview ...............................................................14
Using Wireless Remote Control .....................................................................16
Special Functions Overview ............................................................................27
Using Special Functions ..................................................................................28
SMART FUNCTIONS
LG ThinQ Application.......................................................................................31
Diagnosis Using LG ThinQ ..............................................................................32
MAINTENANCE
Cleaning ............................................................................................................34
TROUBLESHOOTING
Before Calling for Service................................................................................39
APPENDIX
Information.......................................................................................................43

3
SAFETY INSTRUCTIONS
ENGLISH
SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
The following safety guidelines are intended to prevent unforeseen
risks or damage from unsafe or incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as
described below.
Safety Messages
WARNING INSTRUCTIONS
WARNING
• To reduce the risk of explosion, fire, death, electric shock, injury or
scalding to persons when using this product, follow basic
precautions, including the following:
Technical Safety
• This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person
This symbol is displayed to indicate matters and operations
that can cause risk.
Read the part with this symbol carefully and follow the
instructions in order to avoid risk.
WARNING
This indicates that the failure to follow the instructions can
cause serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can
cause the minor injury or damage to the product.

4
SAFETY INSTRUCTIONS
responsible for their safety. Children should be supervised to ensure
that they do not play with the appliance.
• Installation or repairs made by unauthorized persons can pose
hazards to you and others.
• The information contained in the manual is intended for use by a
qualified service technician who is familiar with the safety procedures
and equipped with the proper tools and test instruments.
• Failure to read and follow all instructions in this manual can result in
equipment malfunction, property damage, personal injury and/or
death.
• The refrigerant and insulation blowing gas used in the appliance
require special disposal procedures. Consult a service agent or a
similarly qualified person before disposing of them.
• When the power cord is to be replaced, the replacement work shall
be performed by authorized personnel using only genuine
replacement parts.
• If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent or similarly qualified person in order
to avoid a hazard.
• The appliance shall be installed in accordance with national wiring
regulations.
• Means for disconnection must be incorporated in the fixed wiring in
accordance with the wiring rules.
• This appliance must be properly grounded to minimize risk of electric
shock.
• Do not cut or remove the grounding prong from the power plug.
• Attaching the earth wire to the power outlet cover screw does not
ground the appliance unless the cover screw is metal, uninsulated,
and the power outlet is grounded through house wiring.
• If you have any doubt whether the air conditioner is properly
grounded, have the power outlet and circuit checked by a qualified
electrician.
• Before accessing the terminals, all power circuits must be
disconnected.

5
SAFETY INSTRUCTIONS
ENGLISH
• Fixed installations will incorporate disconnect means in accordance
with installation rules.
• This appliances is accessible to the general public.
• The appliance must be installed in accordance with national
regulations for electrical installations.
Installation
• Contact an authorized service centre when installing or relocating the
air conditioner.
• Do not install the air conditioner on an unstable surface or in a place
where there is danger of it falling.
• Do not install the unit in potentially explosive atmospheres.
• Do not install the air conditioner in a place where flammable liquids
or gases such as gasoline, propane, paint thinner, etc., are stored.
• Install the panel and the cover of the control box safely.
• Install a dedicated electric outlet and circuit breaker before using the
air conditioner.
• Use standard circuit breaker and fuse that conform to the rating of
the air conditioner.
• Make sure that the pipe and the power cable connecting the indoor
and outdoor units are not pulled too tight when installing the air
conditioner.
• The indoor/outdoor wiring connections must be secured tightly, and
the cable should be routed properly so that there is no force pulling
the cable from the connection terminals. Improper or loose
connections can generate heat or cause a fire.
• Do not connect the ground wire to a gas pipe, a lightning rod, or a
telephone ground wire.
• Use non-flammable gas (nitrogen) to check for leaks and to purge air;
using compressed air or flammable gas may cause fire or explosion.

6
SAFETY INSTRUCTIONS
Operation
• Do not modify or extend the power cable. Scratches or peeling
insulation on the power cables may result in fire or electric shock, and
should be replaced.
• Make sure that the power cable is neither dirty, loose, nor broken.
• Do not place any objects on the power cable.
• Do not place a heater or other heating appliances near the power
cable.
• Take care to ensure that the power cable could not be pulled out or
damaged during operation.
• Never touch, operate, or repair the air conditioner with wet hands.
• Do not insert hands or other objects through the air inlet or outlet
while the air conditioner is operating.
• Make sure that children do not climb on or hit the outdoor unit.
• Be sure to use only those parts listed in the service parts list. Never
attempt to modify the equipment.
• Do not touch the refrigerant pipe, water pipe or any internal parts
while the unit is operating or immediately after operation.
• Do not leave flammable substances such as gasoline, benzene, or
thinner near the air conditioner.
• Do not use the air conditioner for an extended period of time in a
small place without proper ventilation.
• Be sure to ventilate sufficiently when the air conditioner and a
heating appliance such as a heater are used simultaneously.
• Do not block the inlet or outlet of airflow.
• Cut off the power supply if there is any noise, smell, or smoke coming
from the air conditioner.
• Contact an authorized service centre when the air conditioner is
submerged by flood waters.
• In the event of a gas leak (such as Freon, propane gas, LP gas, etc.)
ventilate sufficiently before using the air conditioner again.
• Cut off the power supply immediately in the event of a blackout or a
thunderstorm.

7
SAFETY INSTRUCTIONS
ENGLISH
Remote Control
• Remove the batteries if the remote control is not to be used for an
extended period of time.
• Never mix different types of batteries, or old and new batteries for
the remote control.
• Do not recharge or disassemble the batteries.
• Stop using the remote control if there is a fluid leak in the battery. If
your clothes or skin is exposed to the leaking battery fluid, wash off
with clean water.
• If the leaking battery fluid has been swallowed, rinse the inside of the
mouth thoroughly and consult a doctor.
• Dispose of the batteries in a place where there is no danger of fire.
Maintenance
• Before cleaning or performing maintenance, disconnect the power
supply and wait until the fan stops.
• Do not clean the appliance by spraying water directly onto the
product.
Refrigerant
• Use only the refrigerant specified on the air conditioner label.
• Do not input air or gas into the system except the specified
refrigerant.
• Do not touch the leaking refrigerant during installation or repair.
• Be sure to check for refrigerant leaks after installing or repairing the
air conditioner.
• The appliance shall be stored so as to prevent mechanical damage
from occurring.

8
SAFETY INSTRUCTIONS
CAUTION INSTRUCTIONS
CAUTION
• To reduce the risk of minor injury to persons, malfunction, or damage
to the product or property when using this product, follow basic
precautions, including the following:
Installation
• Transport the air conditioner with two or more people or use a
forklift.
• Install the outdoor unit such that it is protected from direct sunlight.
Do not place the indoor unit in a place where it is directly exposed to
sunlight via the windows.
• Do not install the air conditioner in an area where it is directly
exposed to sea wind (salt spray).
• Install the drain hose properly for the smooth drainage of water
condensation.
• Install the air conditioner in a place where the noise from the outdoor
unit or the exhaust fumes will not inconvenience the neighbours.
Failure to do so may result in conflict with the neighbours.
• Safely dispose of packing materials such as screws, nails, plastic bags
or batteries using proper packaging after installation or repair.
• Exercise caution when unpacking or installing the air conditioner.
Operation
• Make sure that the filter is installed before operating the air
conditioner.
• Do not drink the water drained from the air conditioner.
• Do not place any object on the air conditioner.
• Do not let the air conditioner run for a long time when humidity is
very high or when a door or a window has been left open.
• Do not expose people, animals, or plants to the cold or hot wind from
the air conditioner for extended periods of time.

9
SAFETY INSTRUCTIONS
ENGLISH
• Do not use the product for special purposes, such as preserving
foods, works of art, etc. the air conditioner is designed for consumer
purposes, and is not a precision refrigeration system. There is risk of
damage or loss of property.
Maintenance
• Use a sturdy stool or ladder when cleaning, maintaining, or repairing
the air conditioner at a height.
• Never use strong cleaning agents or solvents or spray water when
cleaning the air conditioner. Use a soft cloth.
• Never touch the metal parts of the air conditioner when removing the
air filter.
• To clean the interior, contact an authorized service centre or dealer.
Using harsh detergents may cause corrosion or damage to the unit.

10
OPERATION
OPERATION
Before Use
Notes for Operation
• Adjust the direction of the airflow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, within a short period of time.
• Turn off the appliance and periodically open windows for ventilation. The indoor air quality may
deteriorate if the appliance is used for long durations.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the airflow
or reduce the appliance performance.
Suggestions for Energy Saving
• Do not over-cool the space. This may be harmful for your health and may consume more electricity.
• Block sunlight with blinds or curtains while you are operating the appliance.
• Keep doors or windows closed tightly while you are operating the appliance.