LG MFL42619116 User manual

OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
P/NO : MFL42619116
TYPE : FLOOR STANDING
http://www.lghvac.com
www.lg.com
ITALIANO ESPAÑOL DEUTSCH
ENGLISH FRANÇAIS ESPAÑOL

2Floor Standing-Type Air Conditioner
Air Conditioner Ownerʼs Manual
TABLE OF CONTENTS
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
n Staple your receipt to this page in the event you need it
to prove date of purchase or for warranty issues.
READ THIS MANUAL
Inside you will find many helpful hints on how to use and
maintain your air conditioner properly. 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.
PRECAUTION
•Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall 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.
Safety Precautions.................3
Prior to Operation ..................8
Introduction ............................8
Operating Instructions...........9
Owner's Instruction..............13
Temperature Setting/Room
Temperature checking.........18
Airflow Setting......................19
Sub function .........................20
Timer .....................................21
Care and Maintenance .........22
Before you call for service...24

Safety Precautions
Owner's Manual 3
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
nMeanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
Be sure not to do.
Be sure to follow the instruction.
WARNING
nInstallation
Do not use a defective or
underrated circuit breaker.
Use this appliance on a
dedicated circuit.
• There is risk of fire or electric
shock.
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 ground the product.
• There is risk of fire or electric
shock.
Install the panel and the
cover of control box
securely.
• 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
Use the correctly rated
breaker or fuse.
• There is risk of fire or electric
shock.

Safety Precautions
4Floor Standing-Type Air Conditioner
nOperation
Do not modify or extend the
power cable.
• There is risk of fire or electric
shock.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire, electric
shock, explosion, or injury.
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.
For installation, always contact the
dealer or an Authorized Service Center.
• There is risk of fire, electric
shock, explosion, or injury.
Do not install the product on a
defective installation stand.
• It may cause injury, accident, or
damage to the product.
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.
Do not plug or unplug the
power supply plug during
operation.
• There is risk of fire or electric
shock.
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electrical
shock.
Do not place a heater or
other appliances near the
power cable.
• There is risk of fire and electric
shock.
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.
Take care to ensure that power
cable could not be pulled out or
damaged during operation.
• There is risk of fire or electric
shock.
Do not place anything on the
power cable.
• There is risk of fire or electric
shock.

Safety Precautions
Owner's Manual 5
Do not allow water to run
into electric parts.
• It may cause There is risk of fire,
failure of the product, or electric
shock.
Do not store or use flammable
gas or combustibles near the
product.
• There is risk of fire or failure of
product.
Do not use the product in a
tightly closed space for a
long time.
• Oxygen deficiency could occur.
When flammable gas leaks,
turn off the gas and open a
window for ventilation
before turn the product on.
• Do not use the telephone or turn
switches on or off.
There is risk of explosion or fire
If strange sounds, or small or
smoke comes from product. Turn
the breaker off or disconnect the
power supply cable.
• There is risk of electric shock or
fire.
Stop operation and close the window
in storm or hurricane. If possible,
remove the product from the window
before the hurricane arrives.
• There is risk of property damage,
failure of product, or electric shock.
Do not open the inlet grill of the
product during operation.
(Do not touch the electrostatic
filter, if the unit is so equipped.)
• There is risk of physical injury,
electric shock, or product failure.
When the product is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of fire or electric
shock.
Be cautious that water could
not enter the product.
• There is risk of fire, electric shock,
or product damage.
Gasolin
Ventilate the product from time to time when
operating it together with a stove, etc.
• There is risk of fire or electric shock.
Turn the main power off when cleaning or
maintaining the product.
• There is risk of electric shock.

Safety Precautions
6Floor Standing-Type Air Conditioner
nInstallation
CAUTION
nOperation
Always check for gas
(refrigerant) leakage after
installation or repair of product.
• Low refrigerant levels may cause
failure of product.
Install the drain hose to
ensure that water is drained
away properly.
• A bad connection may cause
water leakage.
Keep level even when
installing the product.
• To avoid vibration or water
leakage.
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.
Use two or more people to
lift and transport the
product.
• Avoid personal injury.
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.
90˚
When the product is not be used for a long
time, disconnect the power supply plug or
turn off the breaker.
• There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody could step
on or fall onto the outdoor unit.
• This could result in personal injury and product
damage.
Do not expose the skin directly to cool air for
long periods of time.
(Don't sit in the draft.)
• This could harm to your health.
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.
• There is risk of
damage or
loss of property.

Safety Precautions
Owner's Manual 7
ENGLISH
Do not block the inlet or
outlet of air flow.
• It may cause product failure.
Use a soft cloth to clean. Do
not use harsh detergents,
solvents, etc.
• There is risk of fire, electric shock,
or damage to the plastic parts of
the product.
Do not touch the metal parts of
the product when removing the
air filter. They are very sharp!
• There is risk of personal injury.
Wax
Thinner
Do not step on or put
anyting on the product.
(outdoor units)
• There is risk of personal injury
and failure of product.
Always insert the filter securely.
Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency
of the air conditioner and could
cause product malfunction or
damage.
Do not insert hands or other
objects through the air inlet or
outlet while the product is operated.
• There are sharp and moving parts
that could cause personal injury.
Do not drink the water
drained from the product.
• It is not sanitary and could cause
serious health issues.
Use a firm stool or ladder
when cleaning or
maintaining the product.
• Be careful and avoid personal
injury.
Replace the all batteries in the
remote control with new ones of
the same type. Do not mix old
and new batteries or different
types of batteries.
• There is 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.
If you eat the liquid from the
batteries, brush your teeth and
see doctor. Do not use the remote
if the batteries have leaked.
• The chemicals in batteries could
cause burns or other health hazards.

Prior to Operation
8Floor Standing-Type Air Conditioner
Prior to Operation
1. Contact an installation specialist for installation.
2. Plug in the power plug properly.
3. Use a dedicated circuit.
4. Do not use an extension cord.
5. Do not start/stop operation by plugging/unplugging the power cord.
6. If the cord/plug is damaged, replace it with only an authorized replacement part.
1. Being exposed to direct airflow for a long time may be hazardous to your health. Do not expose
occupants, pets, or plants to direct airflow for a long time.
2. Due to the possibility of oxygen deficiency, ventilate the room when using the appliance together with
stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purpose (e.g. preserving precision devices,
food, pets, plants, or art objects). Such use may damage your properties.
1. Do not touch the metal parts of the unit when removing the filter. Injury can occur.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to electric shock.
3. When cleaning the unit, first make sure that 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 unitʼs power is triggered while
cleaning inner parts of the unit.
For repair and maintenance, contact your authorized service dealer.
Preparing for Operation
Usage
Cleaning and Maintenance
Service
Introduction
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE
Symbols used in this Manual

Owner's Manual 9
ENGLISH
Operating Instructions
Operating Instructions
Features and Specifications
Air Outlet Vent
Remote Signal
Receptor
Air Intake Vent
Air Intake Vent
(Rear)
Air Outlet Vent
1. Design for cooling
2. Super energy efficiency
3. Micom control
4. Whisper quiet operation
5. Wireless remote control
6. 3 cooling speeds
7. Removable air filter
8. Anti-Bacteria filter
9. 3 minutes delay circuit

10 Floor Standing-Type Air Conditioner
5126 12
411
7 9
108 3
Operating Instructions
Indoor Unit Controls and Indicators
1. START/STOP BUTTON
Operation starts when this button is pressed
and stops when the button is pressed again.
2. OPERATION MODE SELECTION
BUTTON
Used to select the operation Mode.
3. ROOM TEMPERATURE SETTING
BUTTONS
Used to select the room temperature.
4. INDOOR FAN SPEED SELECTION
Used to select fan speed in three steps-low,
High, Super High.
5. FAN OPERATION LAMP
6. COOLING OPERATION LAMP
7. SOFT DRY OPERATION LAMP
8. OUTDOOR UNIT OPERATION LAMP
9. HEATING OPERATION LAMP
10. OFF TIMER OPERATION LAMP
11. TURBO-Z OPERATION LAMP
12. AUTO CHANGEOVER LAMP

Owner's Manual 11
ENGLISH
Features of the Remote Control- Door Closed
Operating Instructions
Cooling Mode
Auto Mode or Auto Changeover
Dehumidificationmode
Heating Mode
Fan Mode
• Cooling Model( ), Heat Pump Model( )
Operation Mode
10
11
12
1
5
6
7
8
9
2
3
4
INDOOR FAN OPERATION BUTTON
Used to circulate the room air without cooling or
heating (turns indoor fan on/off).
JET COOL Button
Speed cooling operates super high fan speed.
OPERATION MODE SELECTION Button
Used to select the operation mode.
CLEAR ALL Button
Used to clear all timer.
ROOM TEMPERATURE SETTING Button
Used to select the room temperature.
ON/OFF Button
Used to turn on/off the unit.
INDOOR FAN SPEED SELECTION Button
Used to select fan speed in four steps low,
medium, high and chaos.
UP/DOWN AIRFLOW Button
Used to stop or start louver movement and set
the desired up/down airflow direction.
LEFT/RIGHT AIRFLOW Button (OPTIONAL)
Used to set the desired left/right(horizontal)
airflow direction.
TIMER AND TIME SETTING Button
Used to set the time of starting or stopping and
sleeping operation.
°C/°F SWITCH Button
Used to switch temperature reading from
Celsius to Fahrenheit.
RESET Button
Used to reset the remote controller.

12 Floor Standing-Type Air Conditioner
Insert Pull
Operating Instructions
Remote Control Preparation
1. How to mount onto a wall
2. To insert the remote control to the holder.
How to insert batteries
1. Remove the cover from the back of the
remote controller.
• Slide the cover according to the arrow
direction.
2. Insert two batteries.
• Be sure that the (+) and (-) directions are
correct.
• Be sure that both batteries are new.
3. Re-attach the cover.
• Slide the cover into back position.
• Do not use rechargeable batteries
such batteries as different from
standard dry cells in shape,
dimensions, and performance.
• Change the batteries with a new
one if the remote control does not
work properly after using for an
extended length of time.
Use the screws to secure the holder to the wall or attach the holder side of indoor unit.

Owner's Manual 13
ENGLISH
Cooling Mode - Standard Operation
Press the ON/OFF button.
The unit will respond with beep sound.
1
Press MODE button to select Cooling
Mode.
2
To lower the temperature
To raise the temperature
Set the desired temperature by pressing TEMP button.
Press ROOM TEMPERATURE CHECKING button to
check the room temperature. When setting the desired
temperature is higher than room temperature, cooling
wind isnʼt blow out.
hSetting Temp. Range : 18~30°C(64~86°F)
3
Cooling Mode - Power Cooling
Press the ON/OFF button.
The unit will respond with beep sound.
1
Press MODE button to select Cooling
Mode.
2
Press the JET COOL button. The unit will
operate in super high fan speed in cooling
mode.
hWall mounted models operate power
cooling mode for 30 minutes.
3
To cancel the Power cooling Mode press the Jet Cool button or the fan button
or the room temperature setting button again and the unit will operate in high
fan speed in cooling mode.
4
or or
Owner's Instruction
Owner's Instruction

Owner's Instruction
14 Floor Standing-Type Air Conditioner
Auto Changeover Mode
Press the ON/OFF button. The unit will respond with beep sound.
1
Press MODE button to select Auto Changeover Mode.
2
Set the desired room temperature.
hSetting Temp. Range in Auto Changeover Mode : 18~30°C
(64~86°F)
3
You can select the fan speed in four stepss-low, medium, high and
chaos. Each time the button is pressed, the fan speed mode is
shifted.
4
This Function is only for Multi-V SYNC H/P model.
To lower the temperature
To raise the temperature
During Auto changeover Mode
The air conditioner changes the operation mode automatically to keep indoor temperature. When room
temperature vary over ±2°C(4°F) with respect to setting temperature, air conditioner keeps the room
temperature within ±2°C(4°F) with respect to setting temperature by auto changeover mode.
Low Super HighHighLow Super HighHigh

Owner's Instruction
Owner's Manual 15
ENGLISH
Low Super HighHigh
Dehumidification Mode
Press the ON/OFF button.
The unit will respond with beep sound.
1
Press MODE button to select Dehumidification Mode.
2
Set the fan speed. You can select the fan speed in four steps - low,
medium, high, or chaos. Each time the button is pressed, the fan
speed mode is shifted.
3
During Dehumidification Mode
• If you select the dehumidification mode on the operation selection button, the indoor unit starts to run the
dehumidification function, automatically setting the room temp. and air volume to the best condition for
dehumidification based on the sensed room temp.
In this case, the setting temp. is not displayed in the Remote Controller and you are not able to control the
room temp. either.
• During the healthy dehumidification function, the air volume is automatically set according to the algorithm
responding to the current room temp. and makes the room condition healthy and comfortable even in the
high humidity season.

Owner's Instruction
16 Floor Standing-Type Air Conditioner
Set the desired temperature by pressing TEMP button.
Press ROOM TEMPERATURE CHECKING button to check the room
temperature.
When setting the desired temperature is lower than room
temperature, heating wind isnʼt blow out.
3
Set the fan speed again. You can select the fan speed in four
steps–low, medium, high, or chaos. Each time the button is pressed,
the fan speed mode is shifted.
4
Press the ON/OFF button.
The unit will respond with beep sound.
1
Press MODE button to select Heating Mode.
2
Heating Mode
This Function is only for H/P model.
To lower the temperature
To raise the temperature
hSetting Temp. Range in
Heating Mode : 16~30°C
(60°F~86°F)
Low Super HighHigh

Owner's Instruction
Owner's Manual 17
ENGLISH
Fan Mode
Set the fan speed again. You can select the fan speed in four
steps–low, medium, high, or chaos. Each time the button is pressed,
the fan speed mode is shifted.
3
Press the ON/OFF button.
The unit will respond with beep sound.
1
Press FAN button to select Fan Mode.
2
During Fan Mode
• The outdoor compressor doesn't work.
Have a function to circulate the indoor as it sends out the air that doesn't have much temperature difference
with indoor.
Low Super HighHigh

Temperature Setting/Room Temperature checking
18 Floor Standing-Type Air Conditioner
We can simply adjust the desired temperature
• Press the buttons to adjust the desired temperature
: Increase 1˚C or 2˚F per one time pressing
: Decrease 1˚C or 2˚F per one time pressing
Set temp: Indicate the temperature that user want to set
<Cooling Mode>
The cooling mode doesn't work if desired temperature is higher than
room temperature Please lower the desired temperature
<Heating Mode>
The heating mode doesn't work if desired temperature is lower than room
temperature Please increase the desired temperature
Temperature Setting/Room Temperature checking

Airflow Setting
Owner's Manual 19
ENGLISH
The up/down airflow (Vertical Airflow) can be adjusted by using the remote controller.
1. Press the ON/OFF button to start the unit.
2. Press UP/DOWN AIRFLOW button and the louvers will swing up and down.
Press the UP/DOWN AIRFLOW button again to set the vertical louver at the desired airflow direction.
• If you press the UP/DOWN AIRFLOW button, the horizontal airflow direction is changed automatically based
on the Auto Swing algorithm to distribute the air in the room evenly and at the same time to make the human
body feel more comfortable, as if enjoying a natural breeze.
• Always use the remote controller to adjust the up/down airflow direction. Manually moving the vertical airflow
direction louver by hand, could damage the air conditioner.
• When the unit is shut off, the up/down airflow direction louver will close the air outlet vent of the system.
The left/right(horizontal) airflow can be adjusted by using the remote control.
1. Press the ON/OFF button to start the unit.
2. Press the LEFT/RIGHT AIRFLOW button and the louvers will swing left and right. Press the
Horizontal Airflow Direction Control Button again to set the horizontal louver at the desired
airflow direction.
hUp/Down and Left/Right Airflow function isnʼt shown on display of remote controller.
NOTICE
Up/Down Airflow Direction Control (Optional)
Left/Right Airflow Direction Control (Optional)
Airflow Setting

Press the fan speed button and High temperature setting buttons simultaneously for 3 seconds.
The unit will respond with beep.
1
2
3
Sub function
20 Floor Standing-Type Air Conditioner
After 3 second,
it will shift
After 3 seconds,
it will shift
After pressing
the buttons
it will shift
immediately
After 3 seconds,
it will shift
Child Lock Operation Procedure
During Child Lock Operation
Whenever you press any Button, it will immediately display
“ ”, which means Button is Locked.
∑All the Button on the indoor unit will not work.
∏But the Button on the remote controller will work.
For releasing child lock Operation
Press the fan speed button and High temperature setting buttons simultaneously for 3 seconds.
The unit will respond with beep, Child Lock Operation will removed.
Auto restart
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate
procedures automatically to the previous operating conditions.
Sub function
Celsius/Fahrenheit Switching
Press the °C/°F SWITCH button to change from Celsius to Fahrenheit or from Fahrenheit to Celsius.
Whenever press TEMPERATURE SETTING button in Fahrenheit mode,
the temperature will increase/drop 2°F.