ENGLISH
OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED
www.lg.com
P/NO : MFL67734512
2
TIPS FOR SAVING ENERGY
ENGLISH
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
• Do not cool excessively indoors. This may be harmful for your health and may consume more
electricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block
the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
SAFETY PRECAUTIONS
3
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak
performance of your product
! WARNING
It can result in serious injury or death when the directions are ignored
! CAUTION
It can result in minor injury or product damage when the directions are ignored
! WARNING
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Installation MUST conform with local building codes.
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments.
• Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
Installation
• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Failure to do so may result in electric shock or product failure.
• Contact an authorized service center when you install or relocate the air conditioner. Failure to
do so may result in serious injury or product failure.
• Always use a power plug and socket with a ground terminal.Failure to do so may result in
electric shock or product failure
• Install the panel and the cover of the control box safely. Failure to do so may result in explosion or fire.
• Install a dedicated electric outlet and circuit breaker before you use the air conditioner. Failure
to do so may result in electric shock or product failure.
• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Failure to do so may result in electric shock or product failure.
• Do not modify or extend the power cable. If the power cable or cord has scratches or skin
peeled off or deteriorated then it must be replaced. It may result in fire or electric shock.
• Be cautious when you unpack or install the air conditioner. Failure to do so may result in serious injury or product failure.
• Contact an authorized service center when you install or relocate the air conditioner. Failure to
do so may result in serious injury or product failure.
• Do not install the air conditioner on an unstable surface or where there may be a danger of it
falling. It may result in death, serious injury, or product failure.
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IMPORTANT SAFETY INSTRUCTIONS
4
SAFETY PRECAUTIONS
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Operation
• Do not let the air conditioner run for a long time when the humidity is very high or when a door or
window has been left open. Failure to do so may result in product failure.
• Make sure that the power cord is not pulled or damaged while the air conditioner is operating. Failure to do so may result in fire, electric shock, or product failure.
• Do not place any objects on the power cord. It may result in electric shock or product failure.
• Do not turn on or off the air conditioner by plugging in or unplugging the power plug. It may result in
fire or electric shock.
• Do not touch, operate or repair the air conditioner with wet hands. It may result in electric shock or
product failure.
• Do not place a heater or other heating appliances near the power cable. It may result in fire, electric
shock, or product failure.
• Do not allow water to run into the air conditioner. It may result in explosion or fire.
• Do not leave flammable substances such as gasoline, benzene and thinner near the air conditioner.
It may result in explosion or fire.
• Do not use the air conditioner for an extended period of time in a small place without ventilation.
Ventilate the place regularly. Failure to do so may result in explosion or fire.
• When there is a gas leak, ventilate sufficiently before using the air conditioner again. Failure to do so
may result in explosion or fire.
• Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner. Failure to
do so may result in explosion or fire.
• Stop operating and close the window in storm or hurricane. If possible remove the product from the
window before hurricane arrives
• Do not touch the electrostatic filter after opening the front grille. Failure to do so may result in electric shock or product failure.
• Contact an authorized service center when the air conditioner is submerged into water due to flooding. Failure to do so may result in explosion or fire.
• Be cautious water could not enter the product
• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a heater
are used simultaneously. Failure to do so may result in fire, serious injury, or product failure.
• Turn the main power off and unplug the power plug when you clean or repair the air conditioner.
Failure to do so may result in death, serious injury, or product failure.
• Unplug the power plug when the air conditioner is not used for an extended period of time. Failure
to do so may result in product failure.
• Do not place any objects on the air conditioner. It may result in product failure.
• For inner cleaning, contact an Authorized Service Center or a dealer.
Do not use harsh detergent that causes corrosion or damage on the unit.
Harsh detergent may also cause failure of product, fire, or electronic shock.
SAFETY PRECAUTIONS
5
• Make sure to check if there is a refrigerant leak after you install or repair the air conditioner. Failure
to do so may result in product failure.
• Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result
in product failure.
• Keep level even when installing the product.
• Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not inconvenience the neighbors. Failure to do so may result in conflict between neighbors.
• When transporting the equipment, there should be at least 2 or more people, or a forklift. It may result in serious injury.
• Do not install the air conditioner where it will be exposed to sea wind (salt spray) directly. It may result in product failure.
Operation
• Do not expose people, animals or plants to the cold or hot wind from the air conditioner. It may result in serious injury.
• 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. It may result in death, fire or electric
shock.
• Do not block the inlet or outlet of air flow. It may result in explosion or product failure.
• Do not use strong cleaning agents or solvents when you clean the air conditioner, or spray water.
Use a smooth cloth. It may result in serious injury or product failure.
• Never touch the metal parts of the air conditioner when you remove the air filter. It may result in serious injury or product failure.
• Do not place any objects on the air conditioner. It may result in product failure.
• Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if
necessary.
• Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating. It may result in electric shock.
• Do not drink the water drained from the air conditioner. It may result in serious health complications.
• Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height. Failure
to do so may result in serious injury or product failure.
• Do not mix the batteries for the remote control with other types of batteries or mix new batteries
with used batteries. Failure to do so may result in product failure.
• Do not recharge or disassemble the batteries. Failure to do so may result in explosion, fire or serious
injury.
• Stop using the remote control if there is a battery fluid leak. If your cloth or skin is exposed to the
battery fluid from a leak, wash it off with clean water. Failure to do so may result in serious injury.
• If you swallow the battery fluid from a leak, wash out the inside of your mouth thoroughly and then
consult a doctor. Failure to do so may result in serious health complications.
• Appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given spervision or instruction
• Children being supervised not to play with appliance
• When the power cord is to be replaced, replacement work shall be performed by authorized personnel only using only genuine replacement parts
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! CAUTION
Installation
6
TABLE OF CONTENTS
ENGLISH
TABLE OF CONTENTS
2 TIPS FOR SAVING ENERGY
3 IMPORTANT SAFETY
INSTRUCTIONS
7 ELECTRICAL SAFETY
14 ADVANCED FUNCTIONS
14
Changing room temperature quickly
14
Indoor air purification
14
- Auto Clean operation
15
Plasma Purification operation (Optional)
7
Temporary Use of an Adapter
15
Auto operation (Optional)
7
Temporary Use of an Extension Cord
16
Auto Changeover operation (Optional)
7
Symbols used in this Manual
16
Energy saving cooling mode
16
Display screen brightness
17
Using the 1 Touch soft air
8 BEFORE USE
8
Components
17
Setting Comfort Sleep mode
9
Using the remote control
18
10
- Inserting batteries
Operating the air conditioner without the
remote control
10
- Installing the remote control holder
18
Restarting the air conditioner
automatically
11 BASIC FUNCTIONS
11
Cooling your room
11
Heating your room
19 MAINTENANCE
20
Cleaning the Air filter
20
Cleaning 3M filter(Optional)
20
Cleaning the plasma (+HAF) filter
(Optional)
11
Removing humidity
12
Airing your room
12
Adjusting the fan speed
12
Adjusting the air flow direction
21 TROUBLESHOOTING
12
Setting the timer
21
Self-diagnosis function
12
- Setting the current time
21
Before requesting service
13
- Turning on the air conditioner
automatically at a set time
22
Operation ranges
23
Details of LG serial No.
13
- Turning off the air conditioner
automatically at a set time
13
- Canceling the timer setting
13
- Setting simple timer mode
24 SPECIFICATION
ELECTRICAL SAFETY
7
! WARNING
• This appliance must be properly grounded. To minimize the risk of electric shock, you must always
plug into a grounded outlet.
• Do not cut or remove the grounding prong from the power plug.
• Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through
the house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and
circuit checked by a qualified electrician.
Temporary Use of an Adapter
We strongly discourage the use of an adapter due to potential safety hazards. For temporary connections, use only a genuine adapter, available from most local hardware stores. Ensure that the
large slot in the adapter is aligned with the large slot in the receptacle for a proper polarity connection.
To disconnect the power cord from the adapter, use one hand on each to avoid damaging the
ground terminal. Avoid frequently unplugging the power cord as this can lead to eventual ground
terminal damage.
! WARNING
• Never use the appliance with a broken adapter.
Temporary Use of an Extension Cord
We strongly discourage the use of an extension cord due to potential safety hazards.
! WARNING
• This appliance should be installed in accordance with national wiring regulations.
This guide acts as a guide to help to explain product features.
Symbols used in this Manual
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.
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ELECTRICAL SAFETY
8
BEFORE USE
ENGLISH
BEFORE USE
Components
Indoor unit
Plasma (+HAF) filter (Optional)
Front Panel
3M filter(Optional)
ON/OFF Button
Vertical Louver
Horizontal Vane
!
Air Outlet
Signal Receiver
NOTE
The number of operation lamps and their locations may vary, depending on the model of the
air conditioner.
Operation Indication lamps
Temperature display : lamp indicates the desired temperature
Timer : lamp lights up during Timer setting set.
Outdoor unit operation: lamp lights up during operating the outdoor unit.
Defrosting : lamp lights up during preheating and defrosting
Power : lamp lights up during the unit turned on.
Energy Saving : lamp lights up during Energy saving cooling mode.
#
Plasma Purification: lamp lights up during the plasma purification operation
* The feature can be changed according to type of model.
Outdoor unit
Air Inlet
Connecting
Wires
Piping
Air Outlet
Base Plate
* The feature can be changed according to type of model.
Drain Hose
BEFORE USE
9
You can operate the air conditioner more conveniently with the remote control. You will find the
buttons for the additional functions under the cover of the remote control.
Wireless remote control
Control Display
panel
screen
Display
screen
Description
a
F
Plasma button*: Purifies the air by removing particles that enter the indoor unit.
/
4
Air circulation button*: Used to circulate
the room air without cooling or heating.
* Comfort sleep button* : Set the sleep
mode auto operation
Control
panel
1 Touch soft air button : Easily adjust the
air flow to deflect direct wind away.
_
|
g
f
Temperature adjustment buttons: Adjusts
the room temperature when cooling and
heating.
-
L
On/Off button: Turns the power on/off.
Indoor fan speed button: Adjusts the fan
speed.
Operation mode selection button*: Selects
the operation mode.
A C Cooling operation (A) / Auto operation or
D B E auto changeover (C) / Dehumidifying operation (D) / Heating operation (B) / Air circulation (E)
Jet mode II button : Cools down the indoor
temperature within a short period of time
JET
MODE II
DE IJ
Air flow direction button: Adjusts the air
flow direction vertically or horizontally.
Temperature display button: Displays the
S G room temperature.
G: Operates energy saving cooling
mn z
Timer button: Sets the current time and the
start / end time.
Functions button*: Adjusts the time and
H
G
r
( J sets the special functions.
J: Auto clean
-
Light button : Adjusts the brightness of the
indoor unit display
-
Set/clear button: Sets or cancels functions.
-
Reset button: Initialize the air conditioner
settings.
* Some functions may not be supported, depending on the
model.
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Using the remote control
10 BEFORE USE
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Inserting batteries
Insert batteries before using the remote
control. The battery type used is AAA (1.5 V).
1 Remove the battery cover.
2 Fix the holder by fastening the 2 screws
firmly with a screwdriver.
3 Slide the remote control into the holder.
2 Insert the new batteries and make sure
that the + and - terminals of the batteries
are installed correctly.
Operating method
3 Reattach the battery cover.
!
Point the remote control towards the signal
receiver at the bottom of the air conditioner to
operate it.
NOTE
If the display screen of the remote control
starts to fade, replace the batteries.
Installing the remote control holder
Install the holder where there is no direct sunlight to protect the remote control.
1 Choose a safe and easily-accessible place.
!
NOTE
• The remote control may operate other
electronic devices if pointed towards
them. Make sure to point the remote
control towards the signal receiver of
the air conditioner.
• For proper operation, use a soft cloth to
clean the signal transmitter and receiver.
BASIC FUNCTIONS
11
ENGLISH
BASIC FUNCTIONS
Cooling your room
Removing humidity
(Cooling operation)
1 Press | to turn on the power.
2 Press f repeatedly to select the cooling
(Dehumidifying operation)
operation.
- A is displayed on the display screen.
This mode removes excess moisture from an
environment with high humidity or in the rainy
season, in order to prevent mold from setting
in. This mode adjusts the room temperature
and the fan speed automatically to maintain
the optimal level of humidity.
1 Press | to turn on the power.
2 Press f repeatedly to select the dehumidifying operation.
- D is displayed on the display screen.
3 Press G or H to set the desired temperature.
- The temperature range is 18°C - 30°C.
Heating your room
(Heating operation)
1 Press | to turn on the power.
2 Press f repeatedly to select the heating
operation.
- B is displayed on the display screen.
3 Press G or H to set the desired temperature.
- The temperature range is 16°C - 30°C.
!
NOTE
Cooling-only models do not support this
function.
!
NOTE
• In this mode you cannot adjust the room
temperature, as it is adjusted automatically. Also, the room temperature is not
displayed on the display screen.
12 BASIC FUNCTIONS
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Airing your room
(Air Circulation operation)
This mode only circulates the indoor air
without changing the room temperature. The
cooling lamp lights up in air circulation mode.
1 Press | to turn on the power.
2 Fan button : Press / turn on the air circulation operation.
Mode button : Press f repeatedly to select air circulation operation.
- E is displayed on the display screen.
Adjusting the air flow direction
1 To adjust the direction of the air flow hori-
zontally, press D repeatedly and select
the desired direction.
- Select I to adjust the direction of the air
flow automatically.
2 To adjust the direction of the air flow vertically, press E repeatedly and select the
desired direction.
- Select J to adjust the direction of the
air flow automatically.
!
3 Press g to adjust the fan speed.
Adjusting the fan speed
NOTE
• Adjusting the air flow direction vertically
may not be supported, depending on
the model.
• Adjusting the air deflector arbitrarily may
cause product failure.
• If you restart the air conditioner, it starts
to operate with the previously set direction of air flow, so the air deflector may
not match the icon displayed on the remote control. When this occurs, press
D or E to adjust the direction of
the air flow again.
1 Press g repeatedly to adjust the fan
speed.
- Select 5 if you want natural air.
The fan speed adjusts automatically.
Remark
Speed
Setting the timer
You can use the timer function to save energy
and to use the air conditioner more efficiently.
High
Setting the current time
Medium
Low
1 Press p and hold it for longer than 3 seconds.
- The AM/PM icon flickers at the bottom of
the display screen.
Natural Wind
2 Press E or F to select the times.
3 Press p to finish.
BASIC FUNCTIONS 13
1 Press m.
- The icon below flickers at the bottom of
the display screen.
Canceling the timer setting
1 Press m.
2 Press m or n to select the timer setting
to cancel.
3 Press p.
- To cancel all timer settings, press p.
2 Press E or F to select the times.
3 Press p to finish.
4 When setting the timer, current time and
ON icon are displayed on the display
screen indicating that the desired time is
set.
Turning off the air conditioner automatically at a set time
1 Press n.
Setting simple timer mode
Use the simple timer mode to turn off the air
conditioner automatically whenever you want
to stop it.
1 Press | to turn on the power.
2 Press
3 Press E or F to select the hour
(up to 7 hours).
4 Press p to finish.
- ( is displayed on the display screen in
simple timer mode.
- The icon below flickers at the bottom of
the display screen.
2 Press E or F to select the times.
3 Press p to finish.
4 When setting the timer, current time and
OFF icon are displayed on the display
screen indicating that the desired time is
set.
!
NOTE
It is not possible to set Simple Timer
mode and Off Timer mode at once.
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Turning on the air conditioner automatically at a set time
14 ADVANCED FUNCTIONS
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ADVANCED FUNCTIONS
The air conditioner offers some additional advanced functions.
Indoor air purification
Auto Clean operation
Changing room temperature
quickly
(Jet Mode II)
This mode allows you to cool indoor air quickly
in summer or warm it quickly in winter.
1 Press | to turn on the power.
2 Press MODEJET II .
- In Jet Mode II, 30 minutes strong focused air blows out for faster cooling.
In the cooling and dehumidifying operations,
moisture is generated inside the indoor unit.
Use the auto cleaning function to remove
such moisture.
1 Press H.
- J is displayed on the display screen.
- If you turn off the power, the fan operates for 30 minutes and cleans the inside
of the indoor unit.
!
!
NOTE
• In Air Circulation, Auto, or auto
Changeover mode, this function cannot
be used.
• During & after Jet Mode II swing function will be ON by default.
• To OFF swing function Press respective
swing key.
• This function may not be supported, depending on the model.
• This mode does not have auto restart
feature.
NOTE
Some buttons cannot be used while the
auto cleaning function is in operation.
ADVANCED FUNCTIONS 15
The plasma filter developed by LG removes
microscopic contaminants from the intake air
completely to supply clean and fresh air.
1 Press | to turn on the power.
2 Press a.
- F is displayed on the display screen.
!
Auto operation (Optional)
(Artificial intelligence)
Cooling-only models
In this mode, the fan speed and the temperature adjust automatically, based on the room
temperature.
1 Press | to turn on the power.
2 Press f repeatedly to select auto operation.
3 Press G or H to select the desired operation code if the temperature is higher or
lower than the desired temperature.
Code
2
1
0
NOTE
• You can use this function by pressing
a without turning the air conditioner
on.
• Both the plasma lamp and the cooling
lamp light up while plasma purification is
in operation.
• This function may not be supported, depending on the model.
-1
-2
!
Description
Cool
Cool slightly
Maintain
room
temperature
Heat slightly
Heat
NOTE
• In this mode, you cannot adjust the fan
speed, but you can set the air deflector
to rotate automatically.
• This function may not be supported, depending on the model.
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Plasma Purification operation
(Optional)
16 ADVANCED FUNCTIONS
ENGLISH
Auto Changeover operation
(Optional)
This mode changes the operation mode automatically to maintain the set temperature
at ±2°C.
1 Press | to turn on the power.
2 Press f repeatedly to select the auto
changeover operation.
- C is displayed on the display screen.
Energy saving cooling mode
This mode minimizes power consumption during cooling and increases the set temperature
to the optimal level for a more comfortable environment.
The temperature automatically sets at 22°C if
ambient temperature is below 22°C.
The temperature maintains if ambient temperature is above 22°C.
1 Press | to turn the power on.
2 Press f repeatedly to select the cooling
operation.
3 Press
.
- G is displayed on the display screen.
3 Press G or H to set the desired temperature.
- The temperature range is 18°C - 30°C.
4 Press g repeatedly to select the fan
speed.
!
NOTE
!
NOTE
This function may not be supported,
depending on the model.
This function may not be supported,
depending on the model.
Display screen brightness
You can adjust the brightness of the indoor
unit display screen.
1 Press G turn on/off the Display screen.
!
NOTE
This function may not be supported,
depending on the model.
ADVANCED FUNCTIONS 17
Setting Comfort Sleep mode
(Comfort Vane operation)
Comfort Sleep mode operates the air conditioner automatically to make the comfortable
sleep environment.
1 Press | to turn the power on.
2 Press
.
The Comfort Vane option conveniently sets
the vane to a preset position that deflects the
supply air away from blowing directly onto
room occupants. Vane preset positions will
vary depending on the unit’s operating mode
(cooling or heating).
1 Press | to turn on the power.
2 Press
.
is displayed on the screen in cooling,
fan and dehumidifying operation.
is displayed on the screen in heating
operation.
When Comfort sleep mode is set, the air
conditioner operates automatically according to room temperature.
When the room temperature is too high to
sleep, the vane is swing for quick cooling
to help users to fall asleep.
When the room temperature is optimal,
the air conditioner adjusts the temperature
with an indirect airflow angle of vane.
!
NOTE
• This feature is not available in Auto or
Auto changeover operation.
• Pressing f , D or
during comfort
vane operation will turn off the comfort
vane feature.
• When this feature is off, the horizontal
vane operates automatically depending
on the set mode.
!
NOTE
• The vane stops swing and sets indirect
airflow angle, after 30 minutes from
start even though the room temperature
doesn’t decrease to optimal temperature to sleep.
• It is possible that a comfortable sleep
environment is different according to the
people.
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Using the 1 Touch soft air
18 ADVANCED FUNCTIONS
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Operating the air conditioner
without the remote control
Restarting the air conditioner
automatically
You can use the On/Off button of the indoor
unit to operate the air conditioner when the
remote control is unavailable. However, the
fan speed is set to high.
1 Open the front cover.
- Lift up both sides of the cover slightly.
When the air conditioner is turned on again
after a power failure, this function restores the
previous settings. This function is a factory default setting.
Disabling auto restart
1 Open the front cover.
- Lift up both sides of the cover slightly.
* The feature can be changed according to
type of model.
2 Press the On/Off button.
* The feature can be changed according to
type of model.
2 Press the On/Off button and hold it for 6
seconds.
- The unit will beep twice and the lamp will
blink twice 4 times.
ON/OFF
button
* The feature can be changed according to
type of model.
- For cooling and heating models, the operation mode changes, depending on the
room temperature.
Room temp.
Set temp.
Operation
mode
Below 21°C
24°C
Heating
operation
Above 21°C
And
Below 24°C
23°C
Dehumidifying operation
Above 24°C
22°C
ON/OFF
button
* The feature can be changed according to
type of model.
- To re-enable the function, press the On/
Off button and hold it for 6 seconds. The
unit will beep twice and the lamp will
blink 4 times.
!
Cooling
operation
- For cooling-only models, the temperature
is set to 22°C.
NOTE
If you press and hold the On/Off button
for 3 – 5 seconds instead of 6 seconds,
the unit will switch to the test operation.
In the test operation, the unit blows out
strong air for cooling for 18 minutes and
then returns to the factory default settings.
MAINTENANCE 19
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MAINTENANCE
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.
Plasma (+HAF) filter
(Optional)
Air filter
3M filter(Optional)
* The feature can be changed according to type of model.
Item
Cleaning interval
Cleaning method
Air filter
2 weeks
See “Cleaning air filter.”
3M filter(Optional)
1 months
See “ Cleaning 3M filter(Optional).”
Plasma (+HAF) filter*
3 months
See “ Cleaning the plasma (+HAF) filter.”
Indoor unit surface
Regularly
Use a soft, dry cloth. Do not use bleach or
abrasives.
Outdoor unit
Regularly
Use steam to clean the heat exchanger coils
and the panel vents (consult with technician).
! CAUTION
• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock.
• Never use water that is hotter than 40°C when you clean the filters. It may cause deformation or discoloration.
• Never use volatile substances when you clean the filters. They may damage the surface of
the product.
• Do not washed the 3M filter with water, because the filter can be damaged.
!
NOTE
• The location and shape of the filters may differ, depending on the model.
• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected
in the coils may decrease the operational efficiency or increase energy costs.
20 MAINTENANCE
ENGLISH
Cleaning the air filter
Clean the air filter once every 2 weeks or
more if necessary.
1 Turn off the power and unplug the power
cord.
2 Open the front cover.
- Lift up both sides of the cover slightly.
4 Use a vacuum cleaner to remove dirt, Do
not wash the 3M Filter with water, because the filter can be damaged.
!
NOTE
• The location and shape of the filters may
differ, depending on the model.
• We suggest changing the 3M Filter
every 6 Months.
Cleaning the plasma (+HAF)
filter (Optional)
* The feature can be changed according to
type of model.
3 Hold the knob of the air filter, lift it up
slightly and remove it from the unit.
1 Turn off the power and unplug the power
cord.
2 Open the front cover and remove the air
filter (see “Cleaning air filter”).
3 Remove the plasma (+HAF) filter in 10 seconds.
HAF filter
Plasma filter
* The feature can be changed according to
type of model.
4 Clean the filter with a vacuum cleaner or
with warm water.
- If dirt is difficult to remove, wash the filter
in lukewarm water with detergent.
5 Dry the filter in the shade.
Cleaning 3M filter(Optional)
* The feature can be changed according to
type of model.
4 Use a vacuum cleaner to remove any dirt.
- If dirt is difficult to remove, wash the filter
with lukewarm water.
5 Dry the filter in the shade.
1 Turn off the power and unplug the power
cord.
2 Open the front cover and remove the air
filter (see “Cleaning air filter”).
3 Pull out the 3M Filter.
* We suggest changing the HAF filter
every 2years.
!
NOTE
• The location of the filters may differ, depending on the model.
• The plasma filter may not be included in
some models.
• If you need more filters, please contact
the LG service center.
(Refer to the Warranty card.)
* The feature can be changed according to
type of model.
TROUBLESHOOTING 21
ENGLISH
TROUBLESHOOTING
Self-diagnosis function
This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit
will blink in 2 second intervals. If this occurs, contact your local dealer or service center.
Before requesting service
Please check the following before you contact the service center. If the problem persists, contact
your local service center.
Problem
Possible causes
Corrective action
-
Turn off the air conditioner, unplug the
power cord and contact the service center.
The air conditioner is
unplugged.
Check whether the power cord is plugged
into the outlet.
There is a burning smell and
a strange sound coming
from the unit.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cord is damaged
or generating excessive
heat.
A switch, a circuit breaker
(safety, ground) or a fuse is
not operated properly.
A fuse is blown or the
Replace the fuse or check if the circuit
power supply is
breaker has tripped.
blocked.
The air conditioner does not A power failure has
work.
occurred.
The voltage is too
high or too low.
Turn off the air conditioner when a power
failure occurs. When the power is restored,
wait 3 minutes, and then turn on the air
conditioner.
Check if the circuit breaker has tripped.
The air conditioner
turned off automati- Press the power button again.
cally at a preset time.
22 TROUBLESHOOTING
ENGLISH
Problem
Possible causes
Corrective action
Air is not circulating
properly.
Make sure that there are no curtains,
blinds or furniture blocking the front of the
air conditioner.
The air filter is dirty.
Clean the air filter once every 2 weeks.
See “Cleaning Air Filter” for more information.
The room temperature is too high.
In summer, it may take some time to cool
indoor air. In this case, select the jet cool
operation to cool indoor air quickly.
The air conditioner does not Cold air is escaping
from the room.
generate cool air.
Make sure that no cold air is escaping
through ventilation points in the room.
The desired temperaSet the desired temperature to a level
ture is higher than the
lower than the current temperature.
set temperature.
There is a heating
source nearby.
Avoid using a heat generator such as an
electric oven or a gas burner while the air
conditioner is in operation.
Air circulation operation is selected.
In the air circulation operation, air blows
from the air conditioner without cooling or
heating the indoor air. Switch the operation mode to the cooling operation.
It is not possible to adjust
the fan speed.
In some operation modes, such as the jet
The auto operation,
or dehumidifying operation modes, you
jet operation or dehucannot adjust the fan speed. Select an opmidifying operation is
eration mode in which you can adjust the
selected.
fan speed.
It is not possible to adjust
the temperature.
In some operation modes, such as the air
The air circulation op- circulation or jet operation mode, you caneration or jet operanot adjust the temperature. Select an option is selected.
eration mode in which you can adjust the
temperature.
Operation ranges
For Heat & Cool model, heating operation range follows the below table.
Heating
operation range
Outdoor temperature
1 ~ 24 °C
* When the outdoor temperature drops below 0 °C, heating capacity may drop slightly depending
on the operation condition.
TROUBLESHOOTING 23
ENGLISH
Details of LG serial No.
1
2
3
4
5
6
7
8
9
10
11
12
Code
Detail
Code of Model
Meaning
1
Year
0~9
(Digit)
The last digit of year
ex) 1997 → 7, 2000 → 0
2,3
Month
01~12
(Digit)
Month
ex) March → 03, August → 08
4
Nation
A~Z
(Alphabet)
Where manufactured
ex) K → Korea, S → Saudi Arabia
5
Product
A~Z
(Alphabet)
ex) A → Airconditioner
6,7
Security Code
A~Z
(Alphabet)
ex) TS, GH
8~12
Serial No.
0~9
(Digit)
Production Quantity
Main Service Part List
NO
PART NAME
1
2
3
4
5
6
7
8
COMPRESSOR
MOTOR
CROSS FLOW FAN
MAIN PCB ASSY
DISPLAY PCB ASSY
REMOCON
FRONT GRILLE
TRANSFORMER
H. G. IBRAHIM SHAKER COMPANY, LTD.
SERVICE CENTER
* JEDDAH
→
P. O. BOX 200, JEDDAH 21411 KINGDOM OF SAUDI ARABIA
TEL NO. : 920006054
* RIYADH
→
P. O. BOX 15, RIYADH 11411 KINGDOM OF SAUDI ARABIA
TEL NO. : 920006054
* AL-KHOBAR
→
P. O. BOX 78, AL-KHOBAR 31952 KINGDOM OF SAUDI ARABIA
TEL NO. : 920006054
Toll Free No. 8002445454
24 SPECIFICATION
ENGLISH
SPECIFICATION
Indoor
A1828P NC0
A182SC NC0
A1828Q NC0
A182SH NC0
A2428P NC0
A242SC NC0
A2428Q NC0
A242SH NC0
Outdoor
A1828P UC0
A182SC UC0
A1828Q UC0
A182SH UC0
A2428P UC0
A242SC UC0
A2428Q UC0
A242SH UC0
Model
Brand
LG Electrionics Inc LG Electrionics Inc LG Electrionics Inc LG Electrionics Inc
Country of origin
Korea
Korea
Korea
Korea
WALL MOUNTED WALL MOUNTED WALL MOUNTED WALL MOUNTED
Type
Voltage (V)
230V ~
230V ~
230V ~
230V ~
Phase
1 Phase
1 Phase
1 Phase
1 Phase
60Hz
60Hz
60Hz
60Hz
R410A (kg)
0.81
1.40
0.95
1.90
Capacity (kW)
5.13
5.00
6.21
6.17
Input (kW)
1.52
1.48
1.84
1.83
Current (A)
6.9
6.6
8.1
8.1
Hz
Refrigerant
Cooling(T1)
EER (Btu/Watt.hr)
Cooling(T3)
Heating(H1)
11.52
11.53
11.52
11.5
Capacity (kW)
4.4
4.32
5.27
5.34
Input (kW)
1.81
1.78
2.17
2.2
Current (A)
8.2
7.9
9.6
9.8
EER (Btu/Watt.hr)
8.29
8.28
8.29
8.28
Capacity (kW)
-
4.76
-
5.9
Input (kW)
-
1.50
-
1.84
Current (A)
-
6.6
-
8.2
COP (W/W)
-
3.17
-
3.21
1030*320*245
mm
1030*320*245
mm
1030*320*245
mm
1030*320*245
mm
40.5*12.6*9.6
inch
40.5*12.6*9.6
inch
40.5*12.6*9.6
inch
40.5*12.6*9.6
inch
870*655*320
mm
870*808*320
mm
870*808*320
mm
950*832*330
mm
Indoor (W*H*D)
Dimensions
Outdoor (W*H*D)
Net Weight
Indoor
Outdoor
Annual energy consumption (kWh)
34.25*25.79*12.6 "34.25*31.8*12.6 34.25*31.8*12.6 37.4*32.8*13.0
inch
inch
inch
inch
13 kg
13 kg
13.5 kg
13.5 kg
44.1 kg
51.5 kg
47.5 kg
59.5 kg
4104
3996
4986
4941
* Note : These values come after 20 hours aging(run in) at test condition.
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