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LG
LG Concealed Duct
Air Conditioner
OWNER'S MANUAL
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.
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.
P/No.:MFL41032501
Concealed Duct Air Conditioner Owner’s Manual
TABLE OF CONTENTS
A. Safety Precautions......................... |
3 |
B. Product Introduction...................... |
6 |
Name and function of parts .............. |
6 |
Deluxe wired remote controller......... |
7 |
C. Owner's Instruction........................ |
8 |
Cooling Mode ................................... |
8 |
Heating Mode ................................... |
9 |
Auto Changeover Mode ................. |
10 |
Dehumidification Mode................... |
11 |
Fan Mode ....................................... |
12 |
Fan Speed Selection ...................... |
13 |
D. Sub Function ................................ |
14 |
Thermistor ...................................... |
14 |
E. Special Function........................... |
15 |
Child Lock....................................... |
15 |
Damper control function ................. |
16 |
Room Temperature Check ............. |
16 |
Simple Reservation ........................ |
17 |
Setting the current time .................. |
18 |
Weekday reservation...................... |
19 |
F. Maintenance and Service............. |
20 |
Indoor Unit...................................... |
20 |
Call the service immediately in the |
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following situations ......................... |
20 |
Operation Tips!............................... |
21 |
When the air conditioner is not |
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going............................................... |
21 |
Troubleshooting Tips! |
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Save time and money!.................... |
22 |
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.
2 Concealed Duct Air Conditioner
Safety Precautions
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.
WARNING |
This symbol indicates the possibility of death or serious injury. |
CAUTION |
This symbol indicates the possibility of injury or damage. |
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WARNING |
Always ground the product.
•There is a risk of electric shock.
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.
Use the correctly rated breaker or fuse.
•There is risk of fire or electric shock.
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.
Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse.
•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.
Do not use a multi consent. Always use this appliance on a dedicated cicuit and breaker.
•Otherwise it can cause electric shock or fire.
Install the panel and the cover of control box securely.
•There is risk of fire or electric shock due to dust , water etc.
Do not modify or extend the power cable. |
For installation, removal or reinstall , |
If the power cable or cord has scrathes or |
always contact the dealer or an |
skin peeled off or deteriorated then it |
Authorized Service Center. |
must be replaced. |
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• There is risk of fire or electric shock. |
• There is risk of fire, electric shock, explosion, |
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or injury. |
Never install the outdoor unit on a |
When the product is soaked (flooded or |
moving base or a place from where it |
submerged) in water , contact an |
can fall down. |
Authorized Service Center for repair |
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before using it again. |
• The falling outdoor unit can cause damage or |
• There is risk of fire or eletric shock. |
injury or even death of a person. |
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Be sure to check the refrigerant to the |
Don't use a power cord, a plug or a loose |
used. Please read the label on the product. |
socket which is damaged. |
•Incorrect refrigerant used can prevent the normal operation of the unit.
Do not place a heater or other heating appliances near the power cable.
•There is risk of fire and electric shock.
•Otherwise it may cause a fire or electrical 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 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 store or use or even allow flammable gas or combustibles near the product.
•There is risk of fire.
Owner's Manual 3
Safety Precautions
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.
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.
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.
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.
When installing the unit, use the installation kit provided with the product.
•Otherwise the unit may fall and cause severe injury.
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.
Ventilate the product room from time to |
Turn the main power off and unplug the |
time when operating it together with a |
unit when cleaning or repairing the |
stove, or heating element etc. |
product. |
• Oxygen deficiency can occur and hence harm |
• There is risk of electric shock. |
your health. |
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Take care to ensure that nobody |
Take care to ensure that power cable |
especially kids could step on or fall onto |
could not be pulled out or damaged |
the outdoor unit. |
during operation. |
• This could result in personal injury and |
• There is risk of fire or electric shock. |
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.
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.
Do not plug or unplug the power supply plug to turn the unit |
When flammable gas |
ON/OFF . |
for ventilation before |
• There is risk of fire or electric shock.
•Do not use the explosion or fire.
Two or more people must lift and transport the product.
•Avoid personal injury.
Keep level even when installing the product.
•To avoid vibration or noise.
CAUTION
Do not install the product where it will be exposed to sea wind (salt spray) directly.
•It may cause corrosion on the product.
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.
4 Concealed Duct Air Conditioner
Safety Precautions
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.
•There is risk of personal injury.
Do not block the inlet or outlet of air flow. |
Use a soft cloth to clean. Do not use |
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harsh detergents, solvents or splashing |
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water etc . |
• It may cause product failure. |
• There is risk of fire, electric shock, or damage |
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to the plastic parts of the product. |
Do not step on or put anyting on the |
Always insert the filter securely after |
product. (outdoor units) |
cleaning. Clean the filter every two weeks |
|
or more often if necessary. |
• There is risk of personal injury and failure of product. |
• 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.
Do not tilt the unit when removing or uninstalling it.
•The condensed water inside can spill .
Be cautious when unpacking and installing the product.
•Sharp edges could cause injury.
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 repair, do not touch the leakaing refrigerant gas.
•The refrigernat gas can cause frostbite (cold burn)
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.
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.
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 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 furniture.
Do not recharge or disassemble the batteries. Do not dispose off batteries in
afire.
•They may burn or explode.
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.
Use a firm stool or ladder when cleaning, maintaining or repairing the product at an height.
• It is not sanitary and could cause serious health issues. |
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• Be careful and avoid personal injury. |
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OPERATING TEMPERATURE(°C) - Non Inverter Model |
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COOLING MODE |
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INDOOR |
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OUTDOOR |
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MAX. |
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MIN. |
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MAX. |
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MIN. |
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32°C |
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18°C |
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46°C |
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21°C |
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HEATING MODE |
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INDOOR |
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OUTDOOR |
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MAX. |
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MIN. |
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MAX. |
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MIN. |
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30°C |
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16°C |
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24°C |
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-5°C |
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OPERATING TEMPERATURE(°C) - Inverter Model |
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COOLING MODE |
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INDOOR |
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OUTDOOR |
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MAX. |
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MIN. |
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MAX. |
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MIN. |
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32°C |
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18°C |
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46°C |
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-10°C |
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HEATING MODE |
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INDOOR |
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OUTDOOR |
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MAX. |
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MIN. |
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MAX. |
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MIN. |
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30°C |
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16°C |
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24°C |
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-10°C |
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Owner's Manual 5
Product Introduction
Product Introduction
Name
and
function
of
parts
1
4
Air intake |
6 7 |
vents |
2
5
Air outlet
vents Wired Remote
Controller
3
8
1:Indoor unit
2:Outdoor unit
3:Wired 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.
*The shape of products can be chaged as the model capacity and type.
6 Concealed Duct Air Conditioner
Product Introduction
Deluxe
wired
remote
controller
1
2
3
4
5
6
7
8
9
10
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AUTO INDOOR |
REMO |
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ZONE 1 |
ZONE 2 |
ZONE 3 |
ZONE 4 |
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AUTO INDOOR |
REMO |
2TH |
ZONE 1 |
ZONE 2 |
ZONE 3 |
ZONE 4 |
11
12
13
14
15
16
17
18
19
20
1. |
Operation display panel |
12. |
On/Off button |
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2. |
Room temperature button |
13. |
Special function button |
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3. |
Fan speed button |
14. |
Dehumidification/ Heater/ |
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4. |
Fan/ Plasma/ Zone1 button |
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Child lock button |
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5. Auto/ Indoor/ Zone2 button |
15. |
Sub function button |
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6. |
Timer mode button |
16. |
Easy reservation button |
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7. |
Date selection button |
17. |
Cancel button |
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8. |
Hour/Minute button |
18. |
Heating/ Two thermistor/ |
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Zone4 button |
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9. |
Mode selection button |
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19. |
Setting button |
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10. On/Off button for reservation |
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20. |
Cooling/ Remo/ Zone3 button |
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11. Temperature control button
Each function will be shown on the display panel for three second or so when the initial power is on.
The analog panel enables you to use the remote controller with a touch of your own finger without pressing any extra button.
However, if you press more than one button at the same time, it may cause malfunction.
The above picture differ from model to model.
Owner's Manual 7
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