LG | AVNQ54GLLA0.ANWBASA | LG AVNQ24GJLA0.ANWBSPH Owner’s Manual

ENGLISH
OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
Type: Ceiling Suspended Air Conditioner
MFL67789203
P/NO : MFL67789203
www.lg.com
Room Air Conditioner Ownerʼs Manual
TABLE OF CONTENTS
A. Safety Precautions ..............................3
B. Product Introduction...........................6
Name and function of part .....................6
Operation indication lamps....................6
C. Operating Instructions........................7
How to insert the Batteries ....................7
Wireless Remote Controller
Maintenance..........................................7
Operating Method..................................7
Wireless Remote Controller...................8
Operation Mode.....................................9
Soft dry Operation Mode .....................10
Auto Operation (Cooling type).............10
Jet Cool Operation ..............................11
Forced operation .................................11
Sleep Mode .........................................12
Setting the Current Time .....................12
Timer Setting .......................................12
Vertical / Horizontal Airflow Direction
Control.................................................13
Air Circulation Mode ............................13
Auto Restart Function..........................13
D. Maintenance and Service .................14
Indoor Unit...........................................14
Operation Tips!....................................15
When the air conditioner is not going ..15
Troubleshooting...................................16
Call the service immediately in the
following situations ..............................16
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.
2 Convertible & Ceiling suspended Air Conditioner
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by
the following indications.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage.
WARNING
Do not use a defective or underrated
circuit breaker. Use this appliance on a
dedicated circuit.
• 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.
Do not modify or extend the power cable.
• 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 install a dedicated circuit and
breaker.
• Improper wiring or installation may cause 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.
For installation, always contact the dealer
or an Authorized Service Center.
Do not install the product on a defective
installation stand.
• There is risk of fire, electric shock, explosion,
or injury.
• It may cause injury, accident, or damage to
the product.
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.
Take care to ensure that power cable
could not be pulled out or damaged
during operation.
Always ground the product.
• There is risk of fire or electric shock.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
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.
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 place anything on the power
cable.
• Moisture may condense and wet or damage
furniture.
• There is risk of fire or electric shock.
• There is risk of fire or electric shock.
Do not plug or unplug the power supply
plug during operation.
Do not touch(operate) the product with
wet hands.
Do not place a heater or other appliances
near the power cable.
• There is risk of fire or electric shock.
• There is risk of fire or electrical shock.
Do not allow water to run into electric
parts.
Do not store or use flammable gas or
combustibles near the product.
• It may cause There is risk of fire, failure of
the product, or electric shock.
• There is risk of fire or failure of product.
• There is risk of fire and electric shock.
Do not use the product in a tightly closed
space for a long time.
• Oxygen deficiency could occur.
Owner's Manual 3
ENGLISH
Safety Precautions
Safety Precautions
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.
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.
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.
When the product is soaked (flooded or
submerged), contact an Authorized
Service Center.
• There is risk of fire or electric shock.
Ventilate the product from time to time when operating it
together with a stove, etc.
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.
Be cautious that water could not enter
the product.
• There is risk of fire, electric shock, or product
damage.
Turn the main power off when cleaning or maintaining the
product.
• There is risk of fire or electric shock.
• There is risk of electric shock.
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.
CAUTION
Always check for gas (refrigerant)
leakage after installation or repair of
product.
Install the drain hose to ensure that water
is drained away properly.
• Low refrigerant levels may cause failure of
product.
• A bad connection may cause 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.
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.
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.
Use two or more people to lift and
transport the product.
• Avoid personal 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.
• There is risk of damage or loss of property.
Do not touch the metal parts of the
product when removing the air filter.
They are very sharp!
• There is risk of personal injury.
4 Convertible & Ceiling suspended Air Conditioner
Keep level even when installing the
product.
• To avoid vibration or water leakage.
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.
Do not block the inlet or outlet of air flow.
• It may cause product failure.
Do not step on or put anyting on the
product. (outdoor units)
• There is risk of personal injury and failure of
product.
Safety Precautions
• 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.
Use a firm stool or ladder when cleaning or maintaining the
product.
• Be careful and avoid personal injury.
Do not recharge or disassemble the batteries. Do not dispose of
batteries in a fire.
• They may burn or explode.
If you eat the liquid from the batteries, brush your teeth and see
doctor. Do not use the remote if the batteries have leaked.
Do not drink the water drained from the
product.
• It is not sanitary and could cause serious
health issues.
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
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.
The Power cord connected to the unit should be selected
according to the following specifications .
• The chemicals in batteries could cause burns or other health hazard.
Owner's Manual 5
ENGLISH
Always insert the filter securely. Clean
the filter every two weeks or more often if
necessary.
Product Introduction
Product Introduction
Name and function of parts
4 6 7
2
5
1
4
3
8
1: Indoor unit
2: Outdoor unit
3: Remote controller
4: Inlet air
5: Discharge air
6: Refrigerant piping, connection
electric wire
7: Drain pipe
8: Ground wire
wire to ground outdoor unit to
prevent electrical shocks.
Operation Indication Lamps
On/Off
: Lights up during the system operation.
Filter Sign
: Lights up after 2400 hours from the time of first operating unit.
Timer
: Lights up during Timer operation.
Defrost Mode
: Lights up during Defrost Mode or Hot Start operation.(Heat pump type)
Outdoor unit
operation
: Lights up during outdoor unit operation.
(Cooling type)
Sleep Mode
: Lights up during Sleep Mode Auto operation.(Option)
6 Convertible & Ceiling suspended Air Conditioner
Operating Instructions
ENGLISH
Operating Instructions
How to insert the Batteries
1. Remove the battery cover by pulling it according to the arrow
direction.
2. Insert new batteries making sure that the (+) and (-) of battery are
installed correctly.
3. Reattach the cover by sliding it back into position.
NOTE
1. Always use/replace both batteries of same type.
2. If the system is not to be used for a long time, remove the
batteries to save their working life.
3. If the display screen of remote controller starts, fading replace
both of the batteries.
Wireless Remote Controller Maintenance
1. Choose a suitable place where its safe & easy to reach.
2. Fix the holder to wall etc with the supplied screws firmly.
3. Slide the remote controller inside the holder.
NOTE
1. Remote controller should never be exposed
to direct sunlight.
2. Signal transmitter & receiver should always be
clean for proper communication.
Use a soft cloth to clean them.
3. In case some other appliances also get operated with remote control,
change their position or consult your serviceman.
Operating Method
1. The signal receiver is inside the unit.
2. Aim the remote controller towards the unit to operate it.
There should not be any blockage in between.
Owner's Manual 7
Operating Instructions
Wireless Remote Controller
The controls will look like the following.
Signal transmitter
5
1
6
3
4
10
2
7
11
8
13
CANCEL
ON
OFF
SET
AUTO CLEAN
9
12
15
14
Flip-up door
(opened)
Operation Mode
Cooling Operation
Auto Operation
1. ON/OFF BUTTON
Used to turn off/on the unit.
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 SELECTOR BUTTON
Used to select fan speed in four steps
low, medium, high and CHAOS.
5. JET COOL BUTTON
Used to start or stop the speed cooling.
(It operates fan in super high speed in cooling mode)
6. CHAOS SWING BUTTON
Used to stop or start louver movement and set the
desired up/down airflow direction.
7. ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping
operation.
8. TIME SETTING BUTTONS
Used to adjust the time.
9. TIMER SET/CANCEL BUTTON
Used to set and to cancel the timer operation.
10. SLEEP MODE AUTO BUTTON
Used to set sleep mode auto operation.
11. AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or
heating.
12. ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
13. PLASMA BUTTON(OPTIONAL)
Used to start or stop the plasma-purification
function.
14. RESET BUTTON
Used prior to resetting time.
15. 2nd F BUTTON
Used prior to using modes printed in blue at the
bottom of buttons.
Soft dry Operation
NOTE
To use the functions printed in blue at the bottom of the buttons press 2nd F button first and then the required function
button. Pressing the 2nd F button activates the blue printed function of the respective button. To cancel the function
press the 2nd F button again else it will automatically cancel if remains idle after 10 seconds.
h The actual product can be different from above contents depending upon model type.
8 Convertible & Ceiling suspended Air Conditioner
Operating Instructions
ENGLISH
Operation Mode
1
3
1
Press the ON/OFF BUTTON to turn
the unit on.
The unit will respond with a beep.
2
Open the door of the remote controller and press the
operation mode button. Each time the button is pressed, the
operation mode is shifted in the direction of the arrow.
4
2
ON
Cooling
3
Auto
For cooling or heating operation set the desired indoor
temperature by pressing the ROOM TEMPERATURE
SETTING BUTTONS.
Soft Dry
To raise the temperature
To lower the temperature
4
Set the fan speed with the remote controller. You can select the fan speed in four steps-low,
medium, high and CHAOS by pressing the INDOOR FAN SPEED SELECTOR BUTTON.
Each time the button is pressed, the fan speed mode is shifted.
CHAOS Air
Fan speed is on low.
Fan speed is on medium.
Fan speed is on high.
Natural wind by the CHAOS logic
o For fresher feeling, press the INDOOR FAN SPEED SELECTOR BUTTON selector and set to CHAOS mode.
In this mode, the wind blows like a natural breeze by automatically changing fan speed according to the CHAOS logic.
NOTE
Auto changeover function is not available for multi system.
Owner's Manual 9
Operating Instructions
Soft dry Operation Mode
Soft dry
Operation
During Soft dry Operation
o If you select the soft dry mode on the OPERATION MODE SELECTION BUTTON,
the product starts to run the soft dry function. It automatically sets the room
temperature and airflow volume to the best condition for dehumidification, based on
the sensed current room temperature.
In this case, however, the setting temperature is not displayed on the remote controller
and you are not able to control the room temperature either.
o During the soft dry function, the airflow volume is automatically set according to the
optimization algorithm responding to the current room temperature status, so that the
room condition is kept healthy and comfortable even in the very humid season.
To run the soft dry mode follow steps 1, and 2 and 4
(See operation mode)
Auto Operation (Cooling type)
In this operation mode the actual setting temperature and the fan speed are
automatically set by the electronic control logic based on the current room
temperature. If you feel hot or cold press the temperature setting buttons
respectively for more cooling or heating effect.
Auto
NOTE : You cannot set the actual setting temperature and the indoor fan
speed in this operation mode. But you can use the Chaos swing
in this operation.
If the system is not operating as desired, switch manually to another mode.
To run the auto operation follow steps 1, and 2. (See operation mode)
10 Convertible & Ceiling suspended Air Conditioner
Operating Instructions
Jet cool function can be used to cool the room quickly in hot summer. When this
function is turned on, the air conditioner runs in cooling operation mode with super
high fan speed and 18°C setting temperature for fast and effective cooling. However
for some models Jet cool function continuous till the operation mode is changed.
You can activate this operation by pressing the JET COOL BUTTON.
To change from jet cool mode to high fan speed cooling mode, press the JET COOL BUTTON or
INIDOOR FAN SPEED SELECTOR BUTTON or the ROOM TERPERATURE SETTING BUTTON again.
NOTE
• Jet cool function cannot be activated during heating or auto changeover operations.
Forced operation
Operation procedures when the remote control can't be used. The operation will be started if the ON/OFF button
is pressed. If you want to stop operation, re-press the button.
Test operation
During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room
temperature and resets in 18 minutes.
During test operation, if remote controller signal is received, the unit operates as remote controller sets.
If you want to use this operation, Press and hold the ON/OFF button for 3~5 seconds.
If you want to stop the operation, re-press the button.
Owner's Manual 11
ENGLISH
Jet Cool Operation
Operating Instructions
Sleep Mode
1. Press the Sleep Mode Auto button to set the time you want the unit to turn off automatically.
2. The Timer is programmed in one-hour increments by pressing the Sleep Mode Auto button 1 to 7 times.
The sleep mode is available for 1 to 7 times.
To alter the time period in steps of 1 hour, press the Sleep Mode Button while aiming at air conditioner.
3. Make sure the Sleep Mode Auto LED lights up.
To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star ( ) disappears from the
operation display.
NOTE
: The Sleep Mode will be operated at low fan speed (cooling) or medium fan speed (heat pump only) for quiet sleeping.
IN COOLING MODE: The temperature will automatically rise by 1°C over the next 30 minutes and by 2°C in 1 hour for
comfortable sleeping.
h The actual function can be different from above contents depending upon model type.
Setting the Current Time
1. Time can be set only when you press the RESET BUTTON. Having replacing the batteries,
you should press the RESET BUTTON to reset the time. Press the Start/Stop button.
2. Press 2nd F button and check if
icon is on.
3. Press the TIME SETTING BUTTONS until the desired time is set.
4. Press the TIME SET/CANCEL BUTTON.
CANCEL
SET
NOTE
Check the indicator for A.M. and P.M.
Timer Setting
1. Make sure to set current time correctly on the display of the remote controller.
ON
OFF
2. Press 2nd F button.
3. Press the ON/OFF TIMER BUTTONS to turn timer on or off.
4. Press the TIME SETTING BUTTONS until the desired time is set.
CANCEL
5. To set the selected time, press the TIMER SETTING BUTTONS aiming the remote controller at the
signal receptor.
To cancel the timer setting
Check if
icon is off.
Press the TIMER CANCEL BUTTON aiming the remote controller at the signal receptor.
(The timer lamp on the air conditioner and the display will go off.)
CANCEL
SET
NOTE
Select one of the following four types of operation.
Delay off timer
Delay on timer
Delay off and on timer
12 Convertible & Ceiling suspended Air Conditioner
Delay on and off timer
SET
Operating Instructions
The up/down airflow (Vertical airflow) can be
adjusted by using the remote controller.
1. Press the START/STOP BUTTON to start the
unit.
2. Press CHAOS SWING BUTTON.
3. The louvers will swing up & down
automatically.
To adjust left/right (Horizontal Airflow) direction
Adjust the left/right airflow direction by hand.
WARNING
: While adjusting vertical airflow direction
louvers, be careful not to touch the evaporator.
4. To stop the louver at a desired angle,
press
again
NOTE
• By pressing the CHAOS SWING BUTTON the horizontal air flow direction is changed automatically based on the chaos
algorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable as if
enjoying natural breeze.
• Always use the remote controller to adjust the up and down air flow direction. Manually moving the vertical air flow
direction louver by hand could damage the mechanism.When the unit is shut off, the up/down airflow direction louver will
close the air outlet vent of the system.
Air Circulation Mode
This operation circulates the air without cooling or heating. It can
be activated by pressing the AIR CIRCULATION BUTTON. Once
the air circulation is activated you can select the air speed by
pressing the INDOOR FAN SPEED SELECTOR BUTTON.
NOTE
CHAOS Air economizes power consumption and prevents overcooling. The fan speed is automatically
changed from high to low or vice versa, depending on the ambient temperature.
Auto Restart Function
In case the power comes on again after a power failure, the unit operates automatically to the previous operating
conditions.
So there is no need of activating this function by pressing any key or button.
In the initial mode, the fan operates at a low speed and the compressor starts about 3 minutes later.
As the compressor starts, the fan speed also resumes its previous setting mode.
WARNING
: In case of absence for a long time while power failure, turn off main power to avoid undesired Auto
restart.
Owner's Manual 13
ENGLISH
Vertical / Horizontal Airflow Direction Control
Maintenance and Service
Maintenance and Service
CAUTION
Before performing any maintenance, turn off the main power to the system.
Indoor Unit
Clean the unit with a soft dry cloth. Do not use bleach or abrasives.
CAUTION
Never use any of these
• Water hotter than 40°C. It may cause deformation and discoloration.
• Volatile substances. They may damage the surface of the air conditioner.
P o wd
er
G a s o li n e
Air Filters
The air filters behind the front grille should be checked and cleaned once in every 2 weeks or more often if
neccessary.
1. Lift the front access panel and pull the filter tab slightly forward to remove the filter.
(Pull the filter hook to take the filter out. - ceiling suspended)
2. Clean the filter with a vacuum cleaner or warm, soapy water.
• If dirt is conspicuous, wash with a solution of detergent in lukewarm water.
• If hot water (40°C or more) is used, it may be deformed.
3. After washing with water, dry well in the shade.
4. Re-install the air filter.
Vertical louver
Air outlet vent
Air filters
(Behind inlet grille)
Air inlet vent
(Inlet grille)
Horizontal louver
14 Convertible & Ceiling suspended Air Conditioner
Maintenance and Service
Do not overcool the room.
This is not good for the health and
wastes electricity.
Make sure that the
doors and windows
are shut thight.
Avoid opening doors and
windows as much as
possible to keep the cool
air in the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
Do not let direct sunshine enter
the room when the air conditioner
is in operation.
Clean the air filter
regularly.
Blockages in the air filter
reduce the airflow and
lower cooling and
dehumidifying effects.
Clean at least once every
two weeks.
Adjust the vertical and horizontal
airflow direction to ensure a
uniform temperature in the room.
Ventilate the room
occasionally.
Since windows are kept
closed, it is a good idea
to open them and
ventilate the room now
and ten.
Use high fan speed
for effective and fast
cooling.
The unit gives its rated
cooling capacity when the
fan speed is high.
When the air conditioner is not going ...
When air conditioner is not going to be used for a long time.
1. Operate the air conditioner on Air circulation mode for 2 to 3 hours.
• This will dry out the internal mechanisms.
2. Turn off the circuit breaker, and disconnect the power cable.
CAUTION
Turn off the circuit breaker when the air conditioner is not going to be used for a long time.
Dirt may collect and may cause a fire.
3. Remove the batteries from the Remote Controller.
When the air conditioner is to be used again.
1. Clean the air filter and install it in the indoor unit.
2. Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
Owner's Manual 15
ENGLISH
Operation Tips!
Maintenance and Service
Troubleshooting
Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or service center.
Case
Explanation
The air conditioner does not
operate.
• Check room temperature setting?
The room has a peculiar odor.
• Check that this is not a damp smell exuded by
the walls, carpet, furniture, or cloth items in the
room.
See page
• Check if circuit breaker is on?
It seems that condensation is • Check the drain hose is connected tight or if
leaking from the air conditioner. indoor unit is installed even.
Air conditioner does not
operate for about 3 minutes
after turning on.
• This is the protector of the mechanism.
• Wait about 3 minutes and operation will begin.
• About 3 minutes delay is applied to protect
compressor from frequenty on/off.
Does not cool or heat
effectively.
• Is the air filter dirty? See air filter cleaning
instructions.
14
• Has the temperature been set correctly?
9
• Are the indoor unit's air inlet or outlet vents
obstructed?
The air conditioner operation is • For a noise that sounds like water flowing.
noisy.
-This is the sound of refrigerant flowing inside the
air conditioner unit.
• For a noise that sounds like the compressed air
releasing into atmosphere.
-This is the sound of the dehumidifying water
being processed inside the air conditioning unit.
Remote Controller display is
faint, or no display at all.
• Are the batteries depleted?
• Are the batteries inserted in the opposite (+) and
(-) directions?
Crack sound is heard.
• This sound is generated by the
expansion/constriction of the front panel, etc. due
to changes of temperature.
7
Call the service immediately in the following situations
1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and
turn the breaker off. Never try to repair by yourself or restart the system in such cases.
2. Main power cord is too hot or damaged.
3. Error code is generated by self diagnosis.
4. Water leaks from indoor unit even if the humidity is low.
5. Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unitʼs poor performance.
In case of special situation, the job must be carried out by service person only.
16 Convertible & Ceiling suspended Air Conditioner
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