LG LTUC182QLE0 Owner's Manual
ENGLISH
LG Ceiling Cassette-Type
Air Conditioner
OWNER'S MANUAL
LG
Visit us at http://www.lgservice.com
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
ESPAÑOL PORTUGUÊS
Dear Owner
Thank you for installing LG Air Conditioner.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.
MODELS: LTNH182QLE0 / LTUH182QLE0
LTNH242PLE0 / LTUH242PLE0
LTNH302PLE0 / LTUH302PLE0
LTNH362NLE0 / LTUH362NLE0
LTNH482MLE0 / LTUH482MLE0
LTNH602MLE0 / LTUH602MLE0
LTNC182QLE0 / LTUC182QLE0
LTNC242PLE0 / LTUC242PLE0
LTNC302PLE0 / LTUC302PLE0
LTNC362NLE0 / LTUC362NLE0
LTNC482MLE0 / LTUC482MLE0
LTNC602MLE0 / LTUC602MLE0
2 Ceiling Cassette-Type Air Conditioner
Ceiling Cassette- Type Air Conditioner Owner’s 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
■
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.
A. Safety Precautions .......................3
B. Product Introduction....................6
1. Name and function of parts .......6
2. What to do before operation......6
3. Operation Indication Lamps ......7
B. Operating Instructions.................8
1. How to insert the Batteries ........8
2. Wireless Remote Controller
Maintenance..............................8
3. Operating Method......................8
4. Wireless Remote Controller ......9
C. How to use the Mode Selection
Button..........................................10
1. Cooling Operation ...................10
2. Auto Operation .......................11
3. Auto changeover operation
(Heat pump model only) ..........12
4. Healthy Dehumidification
Operation................................13
5. Heating Operation
(Heat pump model only) ..........14
6. Jet Cool Operation ..................15
7. NANO PLASMA Purification
Operation (Optional)................16
8. 2nd F Operation ......................17
9. Additional features...................18
10. Setting the Central-Control
Address .................................21
D. Maintenance and Service ..........22
1. Indoor Unit...............................22
2. Purifying filter(Optional)...........23
3. Operation Tips!........................24
4. Troubleshooting Tips! Save
time and money!.....................25
5. Call the service immediately
in the following situations ........25
Safety Precautions
Owner's Manual 3
ENGLISH
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by
the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
Always ground the product.
• There is a risk of electric shock.
Do not use a defective or underrated
circuit breaker. Use the correctly rated
breaker and fuse.
• There is risk of fire or electric shock .
Do not use a multi consent. Always use
this appliance on a dedicated cicuit and
breaker.
• Otherwise it can cause electric shock or fire.
For electrical work, contact the dealer, seller,
a qualified electrician, or an Authorized
Service Center. Do not disassemble or repair
the product by yourself.
• There is risk of fire or electric shock.
Always ground the product as per the
wiring diagram. Do not connect the
ground wire to gas or water pipes
lightening rod or telephone ground wire.
• 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 due to
dust , water etc.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
Do not modify or extend the power cable.
If the power cable or cord has scrathes or
skin peeled off or deteriorated then it
must be replaced.
• There is risk of fire or electric shock.
For installation, removal or reinstall ,
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. Be sure that the
installation area does not deteriorate with
age.
• It may cause product to fall.
Never install the outdoor unit on a
moving base or a place from where it
can fall down.
• The falling outdoor unit can cause damage or
injury or even death of a person.
When the product is soaked (flooded or
submerged) in water , contact an
Authorized Service Center for repair
before using it again.
• There is risk of fire or eletric shock.
Be sure to check the refrigerant to the
used. Please read the label on the product.
• Incorrect refrigerant used can prevent the
normal operation of the unit.
Don't use a power cord, a plug or a loose
socket which is damaged.
• Otherwise it may cause a fire or electrical
shock.
Do not touch , operate, or repair the
product with wet hands. Hold the plug by
hand when taking out
• There is risk of electric shock or fire.
Do not place a heater or other heating
appliances near the power cable.
• There is risk of fire and electric shock.
Do not allow water to run into electric
parts. Install the unit away from water
sources.
• There is risk of fire, failure of the product, or
electric shock.
Do not store or use or even allow
flammable gas or combustibles near the
product.
• There is risk of fire.
WARNING
CAUTION
Safety Precautions
4 Ceiling Cassette-Type Air Conditioner
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.
Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or svc and
then tear away and thraw away the plastic
packaging bags.
• Children may play with them and cause
injury.
Make sure to check that the power cable
plug is not dirty, loose or broken and
then only insert the plug completely.
• Dirty, loose or broken power plug can
cause electric shock or fire.
Do not use the product in a tightly closed
space for a long time. Perform ventilation
regularly.
• Oxygen deficiency could occur and hence
harm your health.
Do not open the front grille 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, smell or smoke comes
from product.Immediately turn the breaker
off or disconnect the power supply cable.
• There is risk of electric shock or fire.
Ventilate the product room from time to
time when operating it together with a
stove, or heating element etc.
• Oxygen deficiency can occur and hence harm
your health.
Turn the main power off and unplug the
unit when cleaning or repairing the
product.
• There is risk of electric shock.
When the product is not to 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
especially kids could step on or fall onto
the outdoor unit.
• This could result in personal injury and
product damage.
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.
Do not plug or unplug the power supply plug to turn the unit
ON/OFF .
• There is risk of fire or electric shock.
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.
CAUTION
Two or more people must 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.
Install the drain hose to ensure that the
condensed water is drained away properly.
• A bad connection may cause water leakage.
Keep level even when installing the
product.
• To avoid vibration or noise.
Do not install the product where the noise
or hot air from the outdoor unit could
damage or disturb the neighborhoods.
• It may cause a problem for your neighbors
and hence dispute.
Always check for gas (refrigerant)
leakage after installation or repair of
product.
• Low refrigerant levels may cause failure of
product.
In outdoor unit the step-up capacitor
supplies high voltage electricity to the
electrical components. Be sure to
discharge the capacitor completely
before conducting the repair work.
• An charged capacitor can cause electrical
shock.
When installing the unit, use the
installation kit provided with the product.
• Otherwise the unit may fall and cause severe
injury.
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, excessive heat generation or
fire.
Safety Precautions
Owner's Manual 5
ENGLISH
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 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 or splashing
water 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.
• There is risk of personal injury.
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 after
cleaning. Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency.
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.
Be cautious when unpacking and
installing the product.
• Sharp edges could cause injury.
If the refrigerant gas leaks during the
repair, do not touch the leakaing
refrigerant gas.
• The refrigernat gas can cause frostbite (cold
burn)
Do not tilt the unit when removing or
uninstalling it.
• The condensed water inside can spill .
Do not mix air or gas other than the
specified refrigerant used in the system .
• If air enters the refrigerant system, an
excessively high pressure results, causing
equipment damage or injury.
If the refrigerant gas leaks during the
installation, ventilate the area immediately.
• Otherwise it can be harmfull for your health.
Dismantling the unit, treatment of the
refrigerant oil and eventual parts should
be done in accordance with local and
national standards.
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 product failure.
Do not recharge or disassemble the
batteries. Do not dispose off 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 hazard.
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.
Do not expose your skin or kids or
plants to the cool or hot air draft.
• This could harm to your health.
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,
maintaining or repairing the product at
an height.
• Be careful and avoid personal injury.
6 Ceiling Cassette-Type Air Conditioner
Product Introduction
Product Introduction
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.
If your installation has a customized
control system, ask your LG dealer for
the operation that corresponds to your
system.
A: Pair system or simultaneous
operation system
B: Multi system
1: Unit with remote controller
2: Unit without remote controller (when
used as simultaneous operation)
* Wire remote controler : accessory
3
6
7
2
8
1
5
44
A
B
12
1
1
4
Name and function of parts
What to do before operation
Owner's Manual 7
ENGLISH
Product Introduction
Operation Indication Lamps
Forced operation : Operation procedures when remote control can t be used.
Defrost Mode : Lights up during defrost mode or hot start operation.
(heat pump model only)
Timer : Lights up during timer operation.
Signal Receptor : Receives the signal from remote control (signal receiving sound:
two short beeps and one long beep)
Filter sign : Lights up after 2400 hours from the time of first operation.
On/Off : Lights up during system operation.
Operating Instructions
8 Ceiling Cassette-Type Air Conditioner
Operating Instructions
How to insert the Batteries
Wireless Remote Controller Maintenance
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.
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.
4. Use 2 AAA(1.5 volt) batteries.
NOTICE
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.
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.
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.
NOTICE
Operating Method
Operating Instructions
Owner's Manual 9
ENGLISH
Wireless Remote Controller
1. Start/Stop Button
Operation starts when this button is pressed.
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
Used to select fan speed in four steps low,
medium, high and Chaos.
5. Jet Cool
Speed cooling/heating operates super high fan
speed.
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 Button
Used to adjust the time.
9. Timer Set/Cancel Button
Used to set the timer when the desired time is
obtained 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 Button
Used to set the desired horizontal airflow
direction.
13. Plasma
Used to start or stop the plasma-purification
function.
14. Horizontal Airflow Direction Control Button
Used to set the desired horizontal airflow
direction.
15. Reset Button
Initialize remote controller.
16. 2nd F Button
Used prior to using modes printed in blue at the
bottom of buttons.
17. Auto Clean
Used to set Auto Clean mode.
• To use the functions printed in blue at the bottom of the buttons press 2
nd
F button first and then the required function
button. Pressing the 2ndF button activates the blue printed function of the respective button. To cancel the function
press the 2ndF button again else it will automatically cancel if remains idle after 10 seconds.
• The wireless remote controller do not operate "14.Horzontal Airflow Direction Control Button" and "17.Auto Clean"
Modes for 4Way ceiling cassette type.
NOTE
Signal transmitter
5
6
4
2
7
11
8
13
14
15
1
3
CANCEL
OFF
SET
AUTO CLEAN
ON
10
9
17
12
16
Flip-up door
(opened)
Operation Mode
Cooling Operation
Auto Operation or Auto Changeover
Healthy Dehumidification Operation
Heating Operation
•
Cooling Model( ), Heat Pump Model( )
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