LG LG2ZMSS05, LG3ZMSS125 User Manual
OWNER'S MANUAL
AIR
ENGLISH FRANÇAIS ESPAÑOL
CONDITIONER
Read this owner's manual thoroughly before operating the appliance and
keep it handy for reference at all times.
TYPE : Single / Multi Ceiling Cassette 4-Way
MFL69889206
Rev.04_072618
www.lghvac.com
www.lg.com
Copyright © 2017 - 2018 LG Electronics Inc. All rights reserved.
2 TABLE OF CONTENTS
3 SAFETY INSTRUCTIONS
3 READ ALL INSTRUCTIONS BEFORE USE
8 PRIOR TO OPERATION
OPERATION
9
9 Parts and Functions
10 Wireless Remote Controller
12
Standard Cooling
12
Power Cooling
12
Heating Mode
12
Dehumidification Mode
13
Fan Mode
13 Temperature setting
13 Switching between Celsius/Fahrenheit
13
Setting the Current Time
13
Individual vane angle control (Optional)
14 Sleep Timer Setting
14
On Timer Setting
14
Off Timer Setting
14
To cancel the Timer Setting
15
Forced Operation
16
Plasma Purification (Optional)
16
Plasma Purification Only (Optional)
16 Up / Down Airflow direction Control (Optional)
16 Left / Right Airflow direction Control (Optional)
AN ARBITRATION PROVISION
By using this product, you agree that all
disputes between you and LG arising
out of or relating in any way to this
product (including but not limited to
warranty disputes) shall be resolved
exclusively through binding arbitration
on an individual basis. The terms of the
arbitration agreement (including details
on the procedure for resolving disputes)
is available at www.lg.com/us/arbitration
(USA) or www.lg.com/ca_en/arbitration
(Canada) and/or your owner’s manual or
warranty.
17 MAINTENANCE
17 Filter Cleaning
18
Purifying filter (Optional)
19 When air conditioner is not going to be used for a long time
19
When using the air conditioner after a long period of non-use.
19
Operation Tips
20 TROUBLESHOOTING
21 WARRANTY (USA)
23 WARRANTY (CANADA)
SAFETY INSTRUCTIONS
3
SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always
read and follow all safety messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or injure you and others.
All safety messages will follow the safety alert symbol and either the word WARNING, or
CAUTION.
WARNING
Failure to follow these instructions could result in death or serious injury.
CAUTION
Failure to follow these instructions could result in minor or moderate injury or damage to the
product.
All safety messages will tell you what the potential hazard is, inform you as to how to reduce the
chance of injury, and tell you what may happen if the instructions are not followed.
ENGLISH
IMPORTANT SAFETY 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:
• Installation or repairs done by unauthorized persons can pose hazards to you and others.
• Installation MUST conform to the local building codes or, in the absence of local codes, the National
Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical Code Part1
CSA C.22. 1.
• 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.
• When the power cord is to be replaced, the replacement work shall be performed by authorized personnel
using only genuine replacement parts.
• 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 the use of the appliance by a person responsible for their safety. Children should
be supervised to ensure that they do not play with the appliance.
4
SAFETY INSTRUCTIONS
Important Safety Instructions
WARNING
Installation
Contact an Authorized Service Center to have
the air conditioner installed.
• Incomplete installation performed by yourself
may result in a water leakage, electric shock,
and fire.
Check the foundation for damaged on a
continuous basis, especially if it has been in
use for a long time.
• It may cause injury or damage to the unit or
other property.
Contact an Authorized Service Center for
repairs, maintenance and to reinstall the
airconditioner.
• Incomplete installation performed by yourself
may result in a water leakage, electric shock,
and fire.
Be sure to only use accessories made by LG
which are specifically designed for use with
the equipment and have them installed by a
professional.
• Improper installation or attachment of
equipment or accessories could result in
electric shock, a short circuit, leaks, fire or
other damage to the equipment.
In the case of refrigerant leakage, consult an
Authorized Service Center. When installing the
air conditioner in a small room, it is necessary
to take proper measures so that even when
it leaks, the amount of any leaked refrigerant
does not exceed the limiting concentration
even when it leaks. If the refrigerant leakage
exceeds the limiting concentration level, an
oxygen deficiency-related accident may occur.
• There isa risk of asphyxiation which could
lead to serious injury or death
Do not install the unit in an area where there
are flammable materials.
• Thereis a risk of explosion that could result
in serious injury or death.
.
Use a vacuum pump or insert (nitrogen) gas
when performing a leakage test or air purge.
Do not allow air etc. to enter the refrigerant
circuit (piping). Never use refrigerants that are
not specified on the specification. label and in
the manuals.
• There is a risk of death, injury, fire or
explosion.
Power
Do not attempt to do electrical work or
grounding work unless you are licensed to do
so. Consult with an Authorized Service Center
for electrical work and grounding work.
• There is a risk.
Do not modify or extend the power cable.
• There is risk of fire or electric shock.
Be sure to establish an earth.
• There is risk of fire or electric shock.
Be sure to install an earth leakage breaker
• 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.
Do not turn on the breaker or power if the front
panel, cabinet, top cover, or control box cover
are removed or opened.
• Doing so could cause fire, electric shock,
explosion or death.
Do not use a defective or underrated circuit
breaker. Use this appliance on a dedicated
circuit.
• There is a risk of fire or electric shock.
Consult with the installation contractor for
cleaning or maintenance. Turn off all electrical
power before doing any cleaning or maintenance.
• There is a risk of water leakage, electric
shock or serious injury.
SAFETY INSTRUCTIONS
5
Take care to ensure that the power cable cannot be pulled out or damaged during operation.
• There is a risk of fire or electric shock.
Do not place anything on the power cable.
• There is a risk of fire or electric shock.
Do not turn off the power immediately after
stopping operation. Always wait for at least five
minutes before turning off the power.
• Otherwise, water leakage may occur.
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 cause
heat generation or fire.
Do not touch (operate) the product with wet
hands.
• There is a risk of electrical shock.
Operation
Be sure to use only those parts which are
listed in the SVC parts list. Never attempt to
modify the equipment.
• The use of inappropriate parts can cause an
electrical shock or fire.
Do not install the air conditioner at any place
where flammable gas may leak out. If the gas
leaks out and stays around the air conditioner,
a fire may break out.
• There is a risk of explosion, fire and serious
injury.
Never use flammable spray such as hair spray,
lacquer or paint near the unit.
• Flammable spray may cause a fire.
If equipment utilizing a burner is used in the
same room as the air conditioner,
there is the danger of oxygen deficiency, which
could lead to asphyxiation. Be sure to ventilate
the room sufficiently to avoid this hazard.
• There is a risk of serious injury or death.
Do not put fingers or other objects into the air
inlet or air outlet. Never remove the fan guard
of the unit.
• The fan rotates at a high speed and will
cause injury.
Never sprinkle or spill water or liquids on unit.
• Doing so could cause fire, failure of the
product, or electric shock.
Never let the indoor unit or the remote
controller get wet.
• Water can cause an electric shock or a fire.
Do not let the air conditioner run while a door
or window is open on a day with high humidity.
This could result in excessive moisture and
water damage.
• Excess moisture may collect and cause
water damage to walls or furniture.
If there are any abnormalities in the operation
of the air conditioner such as strange sounds,
smoke or fire. turn off the power and contact
an Authorized Service Center immediately.
• There is a risk of severe injury or death.
Take care to ensure that nobody can step on
or fall onto the outdoor unit.
• This could result in personal injury and
product damage.
Stop operation and close all window in storm
or hurricane. If possible, remove the product
from the window before the hurricane arrives.
• There is a risk of property damage, product
failure, or electric shock.
If the product becomes soaked (flooded or
submerged), contact Authorized Service
Center.
• There is a risk of fire or electric shock.
Do not use the product in a tightly closed
space for a long time.
• Doing so could result in a state of oxygen
deficiency.
Maintenance
The heat exchanger fins are sharp edges
enough to cut. To avoid injury, wear gloves or
cover the fins while working around them.
Tear apart and throw away plastic packaging
bags so that children will not play with them.
• Children playing with plastic bags are at risk
of death by suffocation.
Safely dispose of the packing materials. Packing materials, such as nails and other metal or
wooden parts.
• These materials could cause puncture
wounds or other injuries.
ENGLISH
6
SAFETY INSTRUCTIONS
CAUTION
Installation
If the refrigerant gas leaks during the
installation, ventilate the area immediately.
• Such leakage it can be harmful for your
health.
Always check for gas (refrigerant) leakage
after installation or repair of product.
• Low refrigerant levels may cause product
failure.
Keep the product level, even when installing it.
• This will help to avoid vibration or water
leakage.
Use two or more people to lift and transport
the product.
• This will help to avoid personal injury.
Installation work must be performed in
accordance with the National Electric Code by
qualified and authorized personnel only.
Do not place objects in direct proximity of
the outside unit. Do not let leaves and other
debris accumulate around the unit. Leaves are
a hotbed for small animals, which can enter
the unit. Once inside the unit, these animals
can lead to the unit malfunctioning, and end
up causing in smoke or fire when they make
contact with electrical parts.
• There is a risk of fire or electric shock.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
• This can cause corrosion on the product.
Corrosion, particularly on the condenser
and evaporator fins, could cause product
malfunction or inefficient operation.
Make sure that the drainpipe is installed
properly to drain water. Arrange the drain hose
to ensure smooth drainage.
• Incomplete drainage may lead to water
damage done to the building, furniture, etc.
If no water is discharged from the drainpipe
while the air conditioner or heat pump is in
the cooling mode, it may be because the
drainpipe has become clogged with dust
or dirt, and could result in water leakage
in the indoor unit. In such a situation, stop
operating the air conditioner or heat pump
and contact an Authorized Service Center.
Do not install the product where the noise or
hot air from the outdoor unit could be harmful
to your immediate surroundings.
• Improper placement could cause problems
for your neighbors.
Operation
If refrigerant gas leaks while the unit is being
repaired do not touch the leakaing refrigerant
gas.
• The refrigernat gas can cause frostbite (cold
burn)
Do not mix air or gases other than the
specified refrigerant used in the system.
• Air entering the refrigerant system can
lead to excessively high pressure causing
equipment damage or injury.
Make sure that there are no obstacles close
to the outdoor unit. The presence of obstacles
close to the outdoor unit may reduce the
performance of outdoor unit or increase its
operating sound.
• This could cause product failure.
Do not use the air conditioner for any other
purposes other than comfort cooling or
heating. Do not use the unit for cooling
precision instruments, food, plants, animals or
works of art.
• Doing so could lead to risk of damage or
loss of property.
Replace all the batteries in the remote control
with new ones of the same type. Do not mix
old and new batteries or different types of
batteries.
• Doing so could lead to a risk of fire or
explosion.
Do not recharge or disassemble the batteries.
Do not dispose of batteries in a fire.
• They may burn or explode.
If the liquid from the batteries gets onto your
skin or clothes, wash it well with clean water.
Do not use the remote if the batteries have
leaked.
• The chemicals in batteries could cause
burns or other health hazards.
SAFETY INSTRUCTIONS
7
If you ingest the liquid from the batteries,
brush your teeth and see a doctor. Do not use
the remote if the batteries have leaked.
• The chemicals in batteries could cause
burns or other health hazards.
Do not step on or put anything on the product.
(outdoor units)
• Doing so could lead to a risk of personal
injury and product failure.
The appliance is not intended for use by
young children or infirm persons without
supervision.
Do not allow a child to mount on the unit or
place any object on it. Do not let children play
on and around the unit.
• Falling or tumbling may result in injury. If
a child touches the unit carelessly, it may
result in injury.
Do not drink the water drained from the
product.
• It is not sanitary and could cause serious
health issues.
Maintenance
Contact an Authorized Service Center for
repair or maintenance.
Do not wipe the controller operation panel with
benzine, thinner, chemical dust cloths, etc.
The panel may get discolored or the coating
may peel off. If it is very dirty, soak a cloth in
water-diluted neutral detergent, squeeze it
well and wipe the panel clean. Then wipe it
dry it with another dry cloth.
• There is a risk of damage to the plastic parts
of the product.
Do not insert hands or other objects through
the air inlet or outlet while the product is
operating.
• There are sharp and moving parts that could
cause personal injury.
Use a firm stool or ladder when cleaning or
maintaining the product.
• Be careful and avoid personal injury.
Do not touch the metal parts of the product
when removing the air filter. They are very
sharp!
• There is a risk of personal injury.
Do not drink the water drained from the
product.
• It is not sanitary and could cause serious
health issues.
Do not operate the air conditioner when using
a room fumigation-type insecticide.
• Failure to do so could lead to the chemicals
becoming deposited in the unit, which
could endanger the health of those who are
hypersensitive to chemicals.
ENGLISH
8
PRIOR TO OPERATION
PRIOR TO OPERATION
Preparing for operation
Contact an installation specialist for installation.
1
Use a dedicated circuit.
2
Usage
Being exposed to direct airflow for an extended
1
period of time could be hazardous to your health.
Do not expose occupants, pets, or plants to direct
airflow for extended periods of time.
Due to the possibility of oxygen deficiency,
2
ventilate the room when used together with
stoves or other heating devices.
Do not use this air conditioner for non-specified
3
special purposes (e.g. preserving precision
devices, food, pets, plants, and art objects). Such
usage could damage the items.
While using the remote control, refer the user
4
manual of that particular remote controller.
Cleaning and maintenance
PRECAUTION
• Contact an authorized service technician for repair
or maintenance of this unit.
• Contact an installation specialist for installation of
this unit.
• The air conditioner is not intended for use by young
children or disabled individuals without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord needs to be replaced,
replacement work should be performed by
authorized personnel only using only genuine
replacement parts.
• Installation work must be performed in accordance
with the National Electric Code by qualified and
authorized personnel only.
READ THIS MANUAL
Inside you will find many helpful hints on how to
properly use and maintain your air conditioner. Just
a little preventive care on your part can save you a
great deal of time and money over the life of your air
conditioner.
You’ll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call for
service at all.
Do not touch the metal parts of the unit when
1
removing the filter. Injuries can occur when
handling sharp metal edges.
Do not use water to clean inside the air
2
conditioner. Exposure to water can destroy the
insulation, leading to possible electric shock.
When cleaning the unit, first make sure that
3
the power and breaker are turned off. The fan
rotates at a very high speed during operation.
There is a possibility of injury if the unit’s power
is accidentally triggered on while cleaning inner
parts of the unit.
Service
For repair and maintenance, contact your authorized
service dealer.
FOR YOUR RECORDS
Write the model and serial numbers here.
Model
Serial
You can find them on a label on the side of each unit.
Dealer’s Name
Date Purchased
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