LG Electronics Air Conditioner LA185HV User Manual

LG  
System  
Indoor Unit (2 Series)  
OWNER'S MANUAL  
Type: Ceiling Cassette - 4Way  
OPERATING TEMPERATURE(°C)  
COOLING MODE  
OUTDOOR  
INDOOR  
MAX.  
32°C  
MIN.  
21°C  
HEATING MODE  
MAX.  
43°C  
MIN.  
21°C  
INDOOR  
OUTDOOR  
MAX.  
27°C  
MIN.  
20°C  
MAX.  
24°C  
MIN.  
°C  
1
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.  
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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.  
This symbol indicates the possibility of death or serious injury.  
WARNING  
This symbol indicates the possibility of injury or damage to properties only.  
CAUTION  
Meanings of symbols used in this manual are as shown below.  
Be sure not to do.  
Be sure to follow the instruction.  
WARNING  
Installation  
Do not use a defective or  
underrated circuit breaker.  
Use this appliance on a  
dedicated circuit.  
For electrical work, contact  
the dealer, seller, a qualified  
electrician, or an Authorized  
Service Center.  
Always ground the product.  
• There is risk of fire or electric  
shock.  
• Do not disassemble or repair  
the product. There is risk of fire  
or electric shock.  
• There is risk of fire or electric  
shock.  
Install the panel and the  
cover of control box  
securely.  
Always install a dedicated  
circuit and breaker.  
Use the correctly rated  
breaker or fuse.  
• There is risk of fire or electric  
shock.  
• Improper wiring or installation  
may cause fire or electric shock  
• There is risk of fire or electric  
shock.  
Owner’s Manual 3  
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Safety Precautions  
Do not modify or extend the  
power cable.  
Do not install, remove, or  
re-install the unit by  
yourself (customer).  
Be cautious when  
unpacking and installing  
the product.  
• There is risk of fire or electric  
shock.  
• There is risk of fire, electric  
shock, explosion, or injury.  
• Sharp edges could cause injury.  
Be especially careful of the  
case edges and the fins on the  
condenser and evaporator.  
For installation, always contact the  
dealer or an Authorized Service Center.  
Do not install the product on  
a defective installation stand.  
Be sure the installation area  
does not deteriorate with age.  
• There is risk of fire, electric  
shock, explosion, or injury.  
• It may cause injury, accident, or • If the base collapses, the air  
damage to the product.  
conditioner could fall with it,  
causing property damage,  
product failure, and personal  
injury.  
Operation  
Do not let the air conditioner run for a  
long time when the humidity is very high  
Take care to ensure that power  
cable could not be pulled out  
or damaged during operation.  
Do not place anything on  
the power cable.  
and a door or a window is left open  
.
• 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.  
• There is risk of fire and electric  
shock.  
4
Indoor Unit  
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Safety Precautions  
Do not allow water to run  
into electric parts.  
Do not store or use flammable  
gas or combustibles near the  
product.  
Do not use the product in a  
tightly closed space for a  
long time.  
• It may cause There is risk of  
fire, failure of the product, or  
electric shock.  
• There is risk of fire or failure of  
product.  
• Oxygen deficiency could occur.  
Gasolin  
When flammable gas leaks,  
turn off the gas and open a  
window for ventilation  
If strange sounds, or small or  
smoke comes from product. Turn  
the breaker off or disconnect the  
power supply cable.  
Stop operation and close the window  
in storm or hurricane. If possible,  
remove the product from the window  
before the hurricane arrives.  
before turn the product on.  
• Do not use the telephone or  
turn switches on or off.  
There is risk of explosion or fire  
• There is risk of electric shock or • There is risk of property  
fire.  
damage, failure of product, or  
electric shock.  
Do not open the inlet grill of the  
product during operation.  
(Do not touch the electrostatic  
filter, if the unit is so equipped.)  
When the product is soaked  
(flooded or submerged),  
contact an Authorized  
Service Center.  
Be cautious that water  
could not enter the product.  
• There is risk of physical injury,  
electric shock, or product  
failure.  
• There is risk of fire or electric  
shock.  
• There is risk of fire, electric  
shock, or product damage.  
Ventilate the product from time to time  
when operating it together with a stove, etc.  
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.  
Owner’s Manual 5  
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Safety Precautions  
When the product is not be used for a long  
time, disconnect the power supply plug or  
turn off the breaker.  
Take care to ensure that nobody could step  
on or fall onto the outdoor unit.  
There is risk of product damage or failure, or  
This could result in personal injury and product  
unintended operation.  
damage.  
CAUTION  
Installation  
Always check for gas  
(refrigerant) leakage after  
installation or repair of product.  
Install the drain hose to ensure  
that water is drained away  
properly.  
Keep level even when  
installing the product.  
• Low refrigerant levels may  
cause failure of product.  
• A bad connection may cause  
water leakage.  
• To avoid vibration or water  
leakage.  
90˚  
Do not install the product where the  
noise or hot air from the outdoor unit  
could damage the neighborhoods.  
Use two or more people to lift  
and transport the product.  
Do not install the product  
where it will be exposed to  
sea wind (salt spray) directly.  
• It may cause a problem for your • Avoid personal injury.  
neighbors.  
It may cause corrosion on the product.  
Corrosion, particularly on the condenser  
and evaporator fins, could cause product  
malfunction or inefficient operation  
.
Operation  
Do not expose the skin directly to cool air  
for long periods of time.  
(Don't sit in the draft.)  
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.  
This could harm  
to your health.  
There is risk of  
damage or  
loss of property.  
6
Indoor Unit  
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Safety Precautions  
Do not block the inlet or  
outlet of air flow.  
Use a soft cloth to clean. Do  
not use harsh detergents,  
solvents, etc.  
Do not touch the metal parts of  
the product when removing the  
air filter. They are very sharp!  
It may cause product failure.  
There is risk of fire, electric  
shock, or damage to the plastic  
parts of the product.  
There is risk of personal injury.  
Do not step on or put  
anyting on the product.  
(outdoor units)  
Always insert the filter  
securely. 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 product  
is operated.  
There is risk of personal injury  
A dirty filter reduces the efficiency There are sharp and moving  
and failure of product.  
of the air conditioner and could  
cause product malfunction or  
damage.  
parts that could cause personal  
injury.  
Do not drink the water  
drained from the product.  
Use a firm stool or ladder  
when cleaning or  
maintaining the product.  
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.  
It is not sanitary and could  
Be careful and avoid personal  
There is risk of fire or explosion  
cause serious health issues.  
injury.  
Do not recharge or disassemble the  
batteries. Do not dispose of batteries in a  
fire.  
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.  
They may burn or explode.  
The chemicals in batteries could cause burns or  
other health hazards.  
Owner’s Manual 7  
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Prior to operation  
Prior to Operation  
Preparing for operation  
1. Contact an installation specialist for installation.  
2. Use a dedicated circuit.  
Usage  
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.  
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.  
2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or  
other heating devices.  
3. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision  
devices, food, pets, plants, and art objects). Such usage could damage the items.  
Cleaning and maintenance  
1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling  
sharp metal edges.  
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,  
leading to possible electric shock.  
3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates  
at a very high speed during operation. There is a possibility of injury if the units power is  
accidentally triggered on while cleaning inner parts of the unit.  
Service  
For repair and maintenance, contact your authorized service dealer.  
8
Indoor Unit  
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Operating Instructions  
Operating Instructions  
Name and function of wired remote controller(Optional)  
1
2
3
9
4
10  
11  
5
6
12  
13  
14  
15  
7
8
Remote Controller Model:  
PQRCUSA0  
1. Operation indication screen  
2. Set temperature button  
10. Room temperature button  
11. Fan speed button  
3. Wireless remote controller Receiver  
Some kind of product could not receive  
wireless signal.  
12. Air flow button  
13. Reservation/ Time setting button  
14. Setting/ Cancel button  
15. Up, Down, Left, Right  
4. Ventilation button  
5. Operation mode selection button  
6. Sub-function button  
7. Function setting button  
8. Exit button  
9. On/ Off button  
Owner’s Manual 9  
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Operating Instructions  
Name and function of wired remote controller(Optional)  
1. Plasma button (optional)  
Used to start or stop the plasma-purification  
function.  
2. Jet cool button  
Speed cooling operates super high fan speed.  
3. Operation mode selection button  
Used to select the operation mode.  
4. Function setting button  
Used to set or clear auto clean or smart clean.  
8
9
5. LCD luminosity button (optional)  
Used to adjust LCD luminosity  
1
2
6. Smart clean button (optional)  
Used to start or stop smart clean.  
10  
7. Clear all button  
Used to clear all timer.  
11  
12  
3
4
8. Room temperature setting button  
Used to select the room temperature.  
13  
14  
5
6
9. ON/OFF button  
Used to turn off/on the unit.  
15  
10. Indoor fan speed selection button  
Used to select fan speed in four steps low,  
medium, high and chaos.  
7
16  
11. Auto swing button  
Used to stop or start louver movement and set the  
desired up/down airflow direction.  
PQWRCDF0 (Heat pump)  
PQWRHDF0 (Cooling only)  
12. Horizontal airflow direction control button  
(optional)  
Used to set the desired horizontal airflow direction.  
Operation Mode  
13. Timer and time setting button  
Used to set the time of starting or stopping and  
sleeping operation.  
Cooling Mode  
14. Room temperature checking button  
Auto Mode or Auto Changeover  
Dehumidification mode  
Heating Mode  
Used to check the room temperature.  
15. ˚C/˚Fswitch button  
Used to switch temperature reading from Celsius to  
Fahrenheit.  
16. Reset button  
Used to reset the remote controller.  
Fan Mode  
Cooling Model( ), Heat Pump Model(  
)
10  
Indoor Unit  
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Operating Instructions  
Forced Operation(TE only)  
Operation procedures when the remote control can't be used.  
Press the tact switch (Forced operation) for 2 seconds.  
If you want to stop operation, press again the tact switch.  
In case the power comes on again after power failure on the Forced  
Operation mode, the operating conditions are automatically set as  
follows:  
During Forced Operation, the initial mode continues.  
Forced operation  
(Tact switch)  
Heat pump Model  
Cooling Model  
Room Temp. set Temp.-2°C Room Temp. < set Temp.-2°C  
Operating mode  
Indoor FAN Speed  
Setting Temperature  
Cooling  
High  
Cooling  
Heating  
set available  
set available  
set available  
set available  
22°C  
Auto Restart Function  
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate  
procedures automatically to the previous operating conditions.  
Tips for Filter sign LED  
1. Filter sign lamp (LED) is ON.  
2. If LED indicating filter sign lamp is ON, clean the filter.  
3. After cleaning the filter, press the Timer button and  
Then filter sign LED is OFF.  
button of wired remote controller at the same time for 3 sec.  
Owner’s Manual 11  
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Maintenance and Service  
Maintenance and Service  
CAUTION: Before performing any maintenance, turn off the main power to  
the system.  
Grille, Case, and Remote Control  
Turn the system off before cleaning. To clean, wipe with  
a soft, dry cloth. Do not use bleach or abrasives.  
Anti-biofilter  
NOTICE  
Supply power must be disconnected before  
cleaning the indoor unit.  
Air  
Intake  
Air Outlet  
TE  
Rem  
MP  
ote  
C
ontro  
ller  
Wired Remote Controller  
Air Filters  
The air filters behind the front grille should be checked and  
cleaned once every 2 weeks or more often if neccessary.  
1. Remove the Air filters.  
Take hold of the tab and pull slightly forward  
to remove the filter.  
CAUTION: When the air filter is  
to be removed, do not touch the  
metal parts of the indoor unit.  
It may cause an injury.  
Rack  
2. Clean dirt from the air filter using a vacuum  
cleaner or washing with water.  
If dirt is conspicuous, wash with a neutral  
detergent in lukewarm water.  
Air Filter  
If hot water (50°C or more) is used, it may be  
deformed.  
Never use any of the followings:  
3. After washing with water, dry well in  
the shade.  
Water hotter than 40°C.  
Could cause deformation and/or  
discoloration.  
Do not expose the air filter to direct  
sunlight or heat from a fire when drying  
it.  
Volatile substances.  
Could damage the  
surfaces of the air  
4. Install the air filter.  
I
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conditioner.  
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12  
Indoor Unit  
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Maintenance and Service  
When the air conditioner is not going to be used for a long time.  
When it is not going to be used for  
a long time.  
When the air conditioner is to be used again.  
Operate the air conditioner at the  
following settings for 2 to 3 hours.  
Type of operation: Fan operation mode.  
This will dry out the internal mechanisms.  
Clean the air filter and install it in the  
indoor unit.  
(Refer to page 12 for cleaning it.)  
Turn off the breaker.  
Check that the air inlet and outlet of the  
indoor/outdoor unit are not blocked.  
CAUTION  
Turn off the breaker when the air conditioner  
is not going to be used for a long time.  
Dirt may collect and may cause a fire.  
Check that the ground wire is  
connected correctly. It may be connect  
to the indoor unit side.  
Helpful information  
The air filters and your electiric bill.  
If the air filters become clogged with dust, the  
cooling capacity will drop, and 6% of the electricity  
used to operate the air conditioner will be wasted.  
Operation Tips  
Do not overcool the room.  
Keep blinds or curtains  
closed.  
Keep the room temperature  
uniform.  
This is not good for the health  
and wastes electricity.  
Do not let direct sunshine  
enter the room when the air  
conditioner is in operation.  
Adjust the vertical and  
horizontal airflow direction to  
ensure a uniform temperature  
in the room.  
Make sure that the doors  
and windows are shut tight.  
Clean the air filter regularly.  
Ventilate the room  
occasionally.  
Since windows are kept  
closed, it is a good idea to  
open them and ventilate the  
room now and then.  
Avoid opening doors and  
windows as much as possible  
to keep the cool air in the  
room.  
Blockages in the air filter  
reduce the airflow and lower  
cooling and dehumidifying  
effects. Clean at least once  
every two weeks.  
Owner’s Manual 13  
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Maintenance and Service  
Before you call for service...  
Troubleshooting Tips! Save time and money!  
?
Check the following points before requesting repairs or service.... If the malfunction persist,  
please contact your dealer.  
The air conditioner  
does not operate.  
The room has a  
peculiar odor.  
It seems that  
condensation is  
leaking from the air  
conditioner.  
Air conditioner does  
not operate for about  
3 minutes when  
restart.  
Have you made a  
mistake in timer  
operation?  
Has the fuse blown  
or has the circuit  
breaker been  
Check that this is not  
a damp smell exuded  
by the walls, carpet,  
furniture or cloth  
Condensation occurs  
when the airflow from  
the air conditioner  
cools the warm room  
air.  
This is the protector  
of the mechanism.  
Wait about three  
minutes and  
items in the room.  
operation will begin.  
tripped?  
Does not cool or heat  
effectively.  
The air conditioner  
operation is noisy.  
Crack sound is  
heard.  
Remote control  
display is faint, or no  
display at all.  
Is the air filter dirty?  
See air filter cleaning  
instructions.  
The room may have  
been very hot when  
the room air  
conditioner was first  
turned on. Allow time  
for it to cool down.  
Has the temperature  
been set incorrectly?  
Are the indoor unit's  
air inlet or outlet vents  
obstructed?  
For a noise that  
sounds like water  
flowing.  
-This is the sound of  
freon flowing inside  
the air conditioner  
unit.  
For a noise that  
sounds like the  
compressed air  
releasing into  
This sound is generated  
by the expansion/  
constriction of the front  
panel, etc. due to  
changes of  
Are the batteries  
depleted?  
Are the batteries  
inserted in the  
opposite (+) and (-)  
directions?  
temperature.  
Filter sign lamp  
(LED) is ON.  
atmosphere.  
Cleaning the filter,  
press the Timer button  
-This is the sound of  
the dehumidifying  
water being  
and  
button of wired  
remote controller at  
the same time for 3  
sec.  
processed inside the  
air conditioning unit.  
NOTICE  
WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.  
The indoor side is not water resistant and should not be exposed to  
excess water.  
14  
Indoor Unit  
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