LG AMNH24GTPA0, AMNH12GTRA0, AMNH18GTQA0 User Manual

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating your set and retain it for future reference.

P/NO : MFL42619108

www.lg.com

TYPE : 4-WAY CEILING CASSETTE

ENGLISH

ITALIANO

ESPAÑOL FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

PORTUGUÊS

DUTCH

2 Ceiling Cassette-Type Air Conditioner

Ceiling Cassette- Type Air Conditioner Ownerʼs 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

Name and function of parts ...........6

What to do before operation..........6

Operation Indication Lamps ..........6

Wired Remote Controller...............7

Wireless Remote Controller (Optional)

...8

C. Operating instructions.................9

Cooling Mode - Standard Operation....9

Cooling Mode - Power Cooling............9

Heating Mode ......................................9

Dehumidification Mode ......................10

Auto Changeover Mode.....................10

Auto Operation Mode ........................11

Fan Mode ..........................................11

Ariflow Setting....................................11

Temperature setting/ room temperature

check .................................................12

Sub function : Plasma

Purification(Optional) .........................12

Function setting : Child Lock .............13

Function Setting :

Mode Change Temp..........................13

Function setting :

Elevation Grill(Optional).....................14

Function setting : Filter Sign Clear ....14

Function setting : Vane Angle Control15

Setting Current Time .........................16

Programming :

Setting Simple Reservation ...............17

Programming : Weekly Reservation ..17 Programming :

Setting Sleep Reservation .................18

Programming :

Setting ON Reservation.....................19

Programming :

Setting OFF Reservation ...................20

Programming : Holiday Reservation..21

Ventilation Kit Control(Optional) ........22

D. Maintenance and Service ..........23

Indoor Unit...................................23

Purifying filter(Optional)...............24

Operation Tips!............................25

When the air conditioner is not going

.... 25

Troubleshooting Tips! Save

time and money!..........................26

Call the service immediately in

the following situations ................26

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.

WARNING

CAUTION

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.

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

Operation Indication Lamps

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.

1: Unit with remote controller 2: Unit without remote controller (when

used as simultaneous operation)

Name and function of parts

What to do before operation

Pair system or simultaneous operation system

Multi system

On/Off

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 model only)

Forced

•

: Lights up during the system operation.

: To operate the unit when the remote control can't be used for any reason.

Owner's Manual 7

ENGLISH

Product Introduction

Wired Remote Controller

❈ Display temperature can be different from actual room temperature if the remote controller is installed at the

place where sun-rays are falling directly or the place nearby heat source.

❈ The actual product can be different from above contents depending upon model type. ❈ When using simultaneous operation system, whenever press remote controller button, system will approximately

operate after 1~2 minutes.

OPERATION INDICATION SCREEN

SET TEMPERATURE Button WIRELESS REMOTE

CONTROLLER RECEIVER

• Some products don't receive the wireless signals.

VENTILATION Button OPERATION MODE SELECTION

Button SUBFUNCTION Button FUNCTION SETTING Button EXIT Button ON/ OFF Button ROOM TEMPERATURE Button FAN SPEED Button AIR FLOW Button RESERVATION/ TIME SETTING

Button SETTING/ CANCEL Button UP, DOWN, LEFT, RIGHT Button RESET Button

11 12

5 6

16 10

7 8

2 3

4 5

6 7 8

9 10 11 12

14 15 16

NOTE

CAUTION:

of handling the Remote Controller

• Aim at the signal receiver on the wired remote controller so as to operate.

• The remote control signal can be received at a distance of up to about 7m.

• Be sure that there are no obstructions between the remote controller and the signal receptor.

• Do not drop or throw the remote controller.

• Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or any other heat source.

• Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)

❈

The wireless remote controller do not operate the vane angle control.(4Way Type)

❈

For more details refer to the Wireless Remote Control Accessory manual.

❈

The actual product can be different from above contents depending upon model type.

❈

The wireless remote controller does not operate When using simultaneous operation system.

8 Ceiling Cassette-Type Air Conditioner

Product Introduction

Wireless Remote Controller (Accessory)

This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it.

PQWRHDF0

NOTE

Owner's Manual 9

ENGLISH

Operating Instructions

Cooling Mode - Standard Operation

Press button to turn on the indoor.

Press button to select Cooling operation mode.

Adjust the desired temperature by pressing buttons.

Press button to check the Room temperature. When setting the desired temperature higher than room temperature, only ventilation wind is blow out instead of cooling wind.

Operating instructions

❖ Setting Temp Range : 18˚C~30˚C.

Cooling Mode - Power Cooling

Press button to turn on the indoor.

Press button to select Cooling operation mode.

Press button continuously until "Po" displayed.

Press button to turn on the indoor.

Press button to select Heating mode.

Adjust the desired temperature by pressing buttons.

When setting the desired temperature lower than room temperature, there is only ventilation wind.

It makes the room cool using pleasant and fresh air quickly

Heating Mode

❖ Setting Temp Range : 16˚C~30˚C.

What is power cooling?

• Desired temperature: 18°C

• Fan Speed: special high cool (Power air) ❈ It quickly lowers the room temperature by operating.

10 Ceiling Cassette-Type Air Conditioner

Operating Instructions

Dehumidification Mode

In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier and cooling mode to remove humidity effectively.

Auto Changeover Mode

❖ Setting Temp Range : 18˚C~30˚C.

Auto Operation Mode

During operating Auto Operation mode:

• We can use the FAN SPEED button

• We can change manually to other operation mode.

❊ Auto Changeover mode and Auto Operation mode may not operate depending on product type.

Press button to turn on the indoor.

Press button to select Dehumidification mode

The temperature setting can not be adjusted during operation this mode.

Press the button to select airflow rate SLO → LO → MED → HI

→ (NONE) → (The lists depends on products function) ❖ NONE : Power level of Fan Speed

Press button to turn on the indoor.

Press button to select Auto Changeover Mode.

The setting temperature as the right side picture can be set in both

cooling/ heating model.

Press button to turn on the indoor.

Press button to select Auto Operation Mode.

In case of operating under only cooling mode, set '0' as standard

level, we can adjust the temperature from step -2 to step 2.

Owner's Manual 11

ENGLISH

Operating Instructions

Fan Mode

Press button to turn on the indoor.

Press button to select Fan mode

Press the button to select airflow rate SLO → LO → MED → HI → (NONE) →

(The lists depends on products function)

❊ When operating in wind mode, the outdoor compressor doesn't work. ❊ FAN operation doesn't bring out cold air but air from regular fan comes out.

Airflow Setting

Please refer to the manual of product.

We can simply adjust the desired airflow rate

❈ Some functions may not be operated and displayed depending on the product type.

Symbol Description

Swril : vane paired opend cross

Up·Down : Vane move from up to down automatically and continuously

Left·Right : Vane move from left to right automatically and continuously

Press buttons to set the desired airflow direction.

• → (NONE) → → →

• Display of these lists depends on products function. ❖ NONE : Released swirl

12 Ceiling Cassette-Type Air Conditioner

Operating Instructions

Temperature setting/ room temperature check

Sub function : Plasma Purification(Optional)

When turn the machine off, Plasma function is off (And also off when restart indoor) In case of such model that has no Plasma sub function, it doesn't appear when pressing button.

We can simply adjust the desired temperature.

• Press the buttons to adjust the desired temperature.

: Increase 1˚C per one time pressing : Decrease 1˚C per one time pressing

Room temp: Indicate the current room temperature. Set temp: Indicate the temperature that user want to set. Depend on what kind of controller, the desired temperature can be adjusted at

0.5˚C.

Cooling operation: The cooling mode doesn't work if desired temperature is higher than room temperature Please lower the desired temperature.

Heating operation: The heating mode doesn't work if desired temperature is higher than room temperature Please lower the desired temperature.

Whenever press button, the room temperature will be displayed within 5

seconds. After 5 seconds, it turns to display the desired temperature. Because of location of remote controller, the real room temperature and the this displayed value can be different

Repeat pressing button until icon flash.

Operate or cancel Plasma Purification function by pressing

button. ( icon appears/disappears on display part up

to selection )

After setting, press button to exit.

Owner's Manual 13

Operating Instructions

Function setting : Child Lock

This function is to prevent children or other people from using indoor.

• Press button.

• Repeat pressing button until the icon flash.

• When the button flashing, press button to set this function.

• When setting this function, icon will be displayed whenever entering any operation except for Room temperature access. However, it is possible to control normally by wireless remote controller.

To release this setting, keep pressing button until icon flash and then enter button.

ENGLISH

Function Setting : Mode Change Temp

This function is to set converting temp. of Auto Changeover

❈ This function may not operate depending on product type.

Press button.

Repeat pressing button until icon flash.

Press button to change converting temp value : 1~7

Press button to complete and active the setting process.

Press button to exit or system will automatically release

without any input after 25 seconds.

Operating Instructions

14 Ceiling Cassette-Type Air Conditioner

Function setting : Elevation Grill(Optional)

Direction: Up

Direction: Down

Direction: Stop

This function is to move the indoor filter up/ down for cleaning filter. The setting is applied only to product that has this function.

• Press button.

• Repeat pressing button until icon flash.

• Press button to control the grill Up/ Down or stop it

• button: move grill up from stopping or stop grill from moving

• button: move grill down from stopping or stop grill from moving.

After setting, press button to exit or system will automatically release without input after 60 seconds.

Details:

In case of such model that has no this sub function, it doesn't appear when pressing button.

This function is to clear the indicator of indoor filter cleaning.

When filter is covered by dust, it will reduce cooling/ heating efficiency and accumulate more electric power. Therefore, do clean the filter whenever cleaning time is expired.

Function setting : Filter Sign Clear

Press button. Repeat pressing button until the icon flash.

When the flashing, press the button to clear this display.

Operating Instructions

Owner's Manual 15

ENGLISH

This function is to adjust angle at which airflow is blow out.

Function setting : Vane Angle Control

Press button.

Repeat pressing button until icon flash.

Ex) Setting second Vane Angle as 'P3'

Press button to select active vane: 1/2/3/4/All

1-4: control individually each vane All: control all vane with the same duration.

Press button to select Vane number/ Vane angle.

Vane angle : 6 Step(P1~P6) & Sd Sd : Standard angle

Press button to adjust the angle value.

Press button to complete and active the setting process.

(Airflow direction function will be released whenever setting vane angle)

Press button to exit or system will automatically release

without any input after 25 seconds.

Setting Current Time

Operating Instructions

16 Ceiling Cassette-Type Air Conditioner

Keep pressing button for 4 secs to enter Setting current

time mode.

Press key to adjust the current day.

Press key to move to AM/ PM setting mode

(the 'AM/ PM segment will flash).

Setting AM/ PM value by pressing button.

Press button to move to 'Hour' setting mode.

(the 'Hour' segment will flash)

Setting Hour value by pressing button.

Press button to move to 'Minute' setting mode.

(the 'Minute' segment will flash)

Setting Minute value by pressing button.

Press button to finish.

In the process, press button to release and exit from setting

mode. (In case of exit with incomplete information, it will return to the previous setting

Owner's Manual 17

Operating Instructions

Programming : Setting Simple Reservation

In case of there is not any reservation setup on system, it is possible to make a SIMPLE reservation on indoor unit.

❊ If the indoor is ON, we can make the reservation for turning OFF. In reserve, if the indoor is OFF,

we can set the timer for turning ON. The reservation time is from 1 to 7 hours.

ENGLISH

Programming : Weekly Reservation

The weekly reservation is active after setting current time

Press button to enter the Programming mode.

(the segment flashing)

Press button to adjust reservation time.

Press button to finish setting.

Adjusting the reservation time after finish reservation setting

will release the previous one.

Press button to enter the reservation setting mode.

Repeat pressing button to enter the weekly reservation

setting mode. ( segment flashing)

Set the ON/ OFF reservation for day in week

- Press to adjust timing and Left/ Right to shift to next setting mode.

- A day is considered as non-reservation if there is not any time reservation within.

Press button to finish setting.

18 Ceiling Cassette-Type Air Conditioner

Operating Instructions

Programming : Setting Sleep Reservation

This function is able to turn off Air conditioner when sleeping or after some hours.

Please set a suitable time for sleep reservation. (turning cooling for long time may be harmful to health)

CAUTION

Press button to enter the Programming mode.

Repeat pressing button to enter the SLEEP reservation setting mode.

( segment flashing)

Press button to adjust reservation time.

The SLEEP reservation time is from 1 to 7 hours.

Press button to finish setting.

Whenever reservation is done, icon will flash. When this setting is released, icon will disappear.

Adjust the reservation time after finish reservation setting will

release the previous one.

Owner's Manual 19

ENGLISH

Operating Instructions

Programming : Setting ON Reservation

This function is able to turn air conditioner ON after a setting time.

Press button.

Repeat pressing button to enter the ON reservation

setting mode. ( segment flashing)

Press button to adjust AM/ PM setting.

Press button to Hour setting mode. When the Hour

icon flash, please setting time. The setting range is within 1~12.

Press button to shift to Minute setting mode. When

the Minute icon flash, please setting minute the setting range is within 00~59.

Press button to finish setting.

20 Ceiling Cassette-Type Air Conditioner

Operating Instructions

Programming : Setting OFF Reservation

This function is able to turn air conditioner OFF after a setting time.

Press button.

Repeat pressing button to enter the OFF reservation

setting mode. ( segment flashing)

Press button to adjust AM/ PM setting.

Press button to shift to Hour setting mode. When the

Hour icon flash, please setting time. The setting range is within 1~12.

Press button to shift to Minute setting mode. When

the Minute icon flash, please setting minute the setting range is within 00~59.

Press button to finish setting.

Owner's Manual 21

Operating Instructions

Programming : Holiday Reservation

This function is to automatically stop the machine working on some days.

ENGLISH

Press button to enter the reservation setting mode.

Repeat pressing button to enter the holiday

reservation setting mode. ( segment flashing)

Press button to move to holiday position.

Press button to set or release a selected day as

holiday or not. (❊ the holiday is indicated with a underline)

If there is any holiday from Monday to Sunday,

segment on LCD will be displayed.

Press the button to exit or if there is not any input,

system will release any setting after 10 seconds.

It is possible to set the air conditioner OFF in every "holiday"

( ex. 9:00, 10:00, 13:00 )

22 Ceiling Cassette-Type Air Conditioner

Operating Instructions

Ventilation Kit Control(Optional)

If there is a linkage between ventilator and air conditioner, it is able to control this ventilator.

Press Ventilation button to turn ON/ OFF

the ventilator.

In case of operating the ventilator, the

‘Ventilation’ icon will be displayed.

Operating ventilation Stop ventilation

When turn off ventilator, the ‘Ventilation’

icon disappears.

Please refer the Ventilation instruction in

function setting menu in order to connect a ventilator to air conditioner.

In case of not-connected ventilator, this ventilation function can not be operated.

Owner's Manual 23

ENGLISH

Maintenance and Service

Indoor Unit

Grille, Case and Remote Control

❐ Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.

Supply power must be disconnected before cleaning the indoor unit.

Air Filters

The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary.

■ Never use any of the followings:

• Water hotter than 40°C.

Could cause deformation and/or discoloration.

• Volatile substances.

Could damage the surfaces of the air conditioner.

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.

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.

■

If hot water (50°C or more) is used, it may be deformed.

After washing with water, dry well in the shade.

■

Do not expose the air filter to direct sunlight or heat from a fire when drying it.

Install the air filter.

NOTE

24 Ceiling Cassette-Type Air Conditioner

Purifying filter(Optional)

Cleaning

The PLASMA filter behind the air filters should be checked and cleaned once every 3 months or more often if necessary.

After removing the air filters, pull slightly forward to remove the PLASMA filter.

Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes.

Dry the PLASMA filter in the shade for a day (Especially, the humidity must be removed perfectly on this parts).

Note the cuts of electric discharge lines.

Re-install the PLASMA filter to the original position.

Replacement

• Recomended use period : About 2 years

Open front panel and remove air filter.

Remove air purifying filter.

Insert new air purifying filter.

Reinsert air filter and close front panel.

CAUTION:Donʼt touch this PLASMA Filter within 10 seconds after opening the inlet grille, it may cause an electric shock.

Maintenance and Service

Owner's Manual 25

ENGLISH

Maintenance and Service

Operation Tips!

When the air conditioner is not going....

Do not overcool the room.

This is not good for the health and wastes electricity.

Keep blinds or curtains closed.

Do not let direct sunshine enter the room when the air conditioner is in operation.

Keep the room temperature uniform.

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.

Avoid opening doors and windows as much as possible to keep the cool air in the room.

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.

Ventilate the room occasionally.

Since windows are kept closed, it is a good idea to open them and ventilate the room now and then.

When air conditioner is not going to be used for a long time.

1 Operate the air conditioner at the following settings for 2 to 3 hours.

• Type of operation: Fan operation mode.(Refer to page 14.)

• This will dry out the internal mechanisms.

2 Turn off the breaker.

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.

3. Remove the batteries from the Remote Controller.

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.

When the air conditioner is to be used again.

1. Clean the air filter and install it in the indoor unit. (Refer to page 22 for cleaning it.)

2. Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.

3. Check that the ground wire is connected correctly. It may be connect to the indoor unit side.

26 Ceiling Cassette-Type Air Conditioner

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.

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.

Does not cool or heat effectively.

The air conditioner operation is noisy.

Crack sound is heard.

Filter sign lamp (LED) is ON.

Remote control display is faint, or no display at all.

The error code is occurred after lightning struck

• Have you made a mistake in timer operation?

• Has the fuse blown or has the circuit breaker been tripped?

• Check that this is not a damp smell exuded by the walls, carpet, furniture or cloth items in the room.

• 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 operation will begin.

• 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 setting 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 atmosphere.

-This is the sound of the dehumidifying water being processed inside the air

conditioning unit.

• This sound is generated by the expansion/contraction of the inlet grille, etc. due to changes of temperature.

• Cleaning the filter, press the Timer button and ◀ button of wired remote controller at the same time for 3 sec.

• Has the circuit breaker been tripped?

• Are the batteries inserted in the opposite (+) and (-) directions?

• This product has been applied to the over current protection circuit. Error can occur, but it is normal behavior. After few minutes, It will operate normally.

Case Explanation

Maintenance and Service

MANUALE DEL’UTENTE

CLIMATIZZATORE

Leggere con attenzione questo manuale prima di usare l’unità e conservare per uso futuro.

www.lg.com

TIPO: CASSETTA A SOFFITTO 4 VIE

ITALIANO

2 Condizionatore d'aria tipo a cassetta per montaggio a soffitto

Manuale dell'utente per condizionatore d'aria tipo a cassetta per montaggio a soffitto

INDICE

PER I PROPRI ARCHIVI

Annotare qui modello e numero di serie:

Modello # N. di serie #

Si potrà trovare la targhetta indicativa sul lato di ciascuna unità

Nome del rivenditore Data Acquisto

■

Pinzare la propria ricevuta su questa pagina nel caso sia necessario dimostrare la data di acquisto o ai fini della garanzia

LEGGERE QUESTO MANUALE

All'interno del manuale si troveranno molti consigli utili su come usare il condizionatore d'aria ed eseguire una manutenzione corretta. Con solo una minima manutenzione regolare e preventiva da parte dell'utente sarà possibile risparmiare tempo e denaro nell'arco della vita di esercizio del condizionatore.

Nella sezione relativa ai consigli per la risoluzione dei problemi si potranno trovare molte risposte ai problemi più comuni. Consultando preventivamente la tabella di

Suggerimenti per la risoluzione dei problemi , è possibile che non sia necessario chiamare l'assistenza.

PRECAUZIONE

• Per la manutenzione e riparazione di questa unità rivolgersi sempre ad un tecnico specializzato.

• Per l'installazione del condizionatore d'aria, rivolgersi ad un installatore.

• Il condizionatore d'aria non è stato progettato per l'uso da parte di bambini o persone invalide senza supervisione.

• I bambini devono essere tenuti sotto controllo per evitare che giochino con il condizionatore d'aria.

• Quando è necessario sostituire il cavo di alimentazione, l'intervento di sostituzione deve essere effettuato da personale autorizzato usando solo ricambi originali.

• L'installazione deve essere eseguita in conformità agli standard nazionali che regolano gli impianti elettrici e solo da personale autorizzato.

A. Precauzioni di sicurezza..............3

B. Introduzione del prodotto............6

Nome e funzione dei componenti..6

Cosa fare prima dell'uso................6

Indicatori luminosi di funzionamento

..6 Nome e funzione del telecomando..7 Telecomando senza fili (Opzionale) ..8

C. Istruzioni operative ......................9

Modalità raffreddamento -Operazione Standard

..9 Modalità Cooling - Raffreddamento..9

Modalità riscaldamento .................9

Dehumidification Mode................10

Modalità di Commutazione Automatica

..10

Auto Operation Mode ..................11

Modalità ventola ..........................11

Impostazione Portata d'aria.........11

Impostazione Temperatura/ Controllo Temperatura Ambiente

..12 Funzione Secondaria: Plasma(Opzionale)

....12

Impostazione Funzione: Blocco Bambini

..13 Impostazione funzione: modalità

cambio temp................................13

Impostazione funzione : Griglia di

elevazione(Opzionale).................14

Impostazione Funzione:

cancellazione avviso filtro............14

Impostazione Funzione:

Controllo angolatura alette ..........15

Impostazione ora corrente...........16

Programmazione : Impostare

programmazione Semplice..........17

Programmazione: programmazione

Settimanale .................................17

Programmazione : Impostare

programmazione Sleep ...............18

Programmazione : Impostare

programmazione ON ...................19

Programmazione: Regolare su

OFF la programmazione ............20

Programmazione :

Programmazione Vacanze ..........21

Impostazione della ventilazione

(Opzionale)

.22

D. Assistenza e manutenzione ......23

Unità interna................................23

Filtro di purificazione

(Opzionale)

..24

Suggerimenti di utilizzo! ..............25

Quando il condizionatore non funziona ...

25 Consigli per la risoluzione dei problemi. Risparmiate tempo e denaro!

...............26

Chiamare immediatamente l'assistenza quando si verificano

le seguenti condizioni ..................26

Precauzioni di sicurezza

Manuale dell'utente 3

ITALIANO

Precauzioni di sicurezza

È necessario seguire le seguenti istruzioni per prevenire lesioni alle persone o danni alla proprietà.

■ L'uso scorretto dovuto ad ignoranza delle istruzioni può provocare lesioni o danni. La gravità viene classificata sulla base delle indicazioni seguenti.

PERICOLO

ATTENZIONE

Questo simbolo indica la possibilità di morte o infortuni gravi.

Questo simbolo indica la possibilità di infortuni o danni alle proprietà.

PERICOLO

Mettere sempre il prodotto a terra.

• C'è il rischio di folgorazione.

Non usare un interruttore automatico difettoso o di potenza nominale insufficiente. Usare un fusibile e interruttore automatico della potenza nominale corretta.

• C'è il rischio di scossa elettrica o incendio.

Non usare una presa multipla. Usare questa apparecchiatura sempre su un circuito elettrico dedicato dotato di interruttore automatico.

• In caso contrario c'è pericolo di incendio o folgorazione.

Per tutti gli interventi elettrici, rivolgersi al rivenditore, venditore elettricista qualificato o centro di assistenza autorizzato. Non smontare o riparare il prodotto da soli.

• C'è il rischio di scossa elettrica o incendio.

Mettere sempre il prodotto a terra come indicato dagli schemi elettrici. Non connettere il filo di terra alle tubazioni dell'acqua o del gas, palina parafulmini o filo di terra del telefono.

• C'è il rischio di scossa elettrica o incendio.

Montare saldamento il pannello e coperchio della scatola di controllo.

• C'è il rischio di incendio o scossa elettrica a causa di acqua, polvere ecc.

Usare fusibili o interruttore automatico della potenza nominale corretta.

• C'è il rischio di scossa elettrica o incendio.

Non modificare o prolungare il cavo. Se il cavo di alimentazione è graffiato o sbucciato o deteriorato, deve essere sostituito.

• C'è il rischio di scossa elettrica o incendio.

Per l'installazione, rimozione o nuova installazione, rivolgersi sempre al proprio rivenditore o centro di assistenza autorizzato.

• C'è il rischio di scossa elettrica o incendio, esplosione o lesioni.

Non montare il prodotto su un supporto difettoso. Verificare che la zona di installazione non si deteriori con l'età.

• Può provocare una caduta del prodotto.

Non installare l'unità esterna su una base mobile o in una posizione dalla quale potrebbe cadere.

• Una caduta dell'unità esterna può provocare danni o lesioni o anche la morte di una persona.

Quando il prodotto è completamente bagnato (alluvionato o sommerso dall'acqua), rivolgersi al centro di assistenza per la riparazione prima di usarlo nuovamente.

• C'è il rischio di scossa elettrica o incendio.

Controllare bene il refrigerante da usare. Leggere con attenzione la targhetta riportata sul prodotto

• L'uso di un refrigerante sbagliato può impedire il normale funzionamento dell'unità.

Non usare un cavo di alimentazione, una spina o presa allentata danneggiati.

• In caso contrario c'è rischio di incendio o folgorazione.

Non toccare, usare o riparare il prodotto con mani bagnate. Tenere la presa con la mano prima di estrarla

• C'è il rischio di prendere la scossa o provocare un incendio.

Non posizionare un riscaldatore o altre apparecchiature nelle vicinanza del cavo di alimentazione.

• C'è il rischio di scossa elettrica o incendio.

Non lasciare che acqua entri in contatto con componenti elettrici. Installare l'unità lontano da fonti d'acqua.

• C'è il rischio di scossa elettrica, incendio o malfunzionamento del prodotto.

Non conservare o usare o permettere gas o combustibile nelle vicinanze del prodotto.

• C'è il rischio di incendio.

Precauzioni di sicurezza

4 Condizionatore d'aria tipo a cassetta per montaggio a soffitto

ATTENZIONE

I collegamenti del cablaggio interno/esterno devono essere ben saldi e il cavo deve essere disposto in modo corretto in modo che non vi sia trazione sul cavo dai terminali.

• Allacciamenti errati o allentati possono provocare calore o incendio.

Smaltire in modo corretto tutti i materiali d'imballaggio. Come ad esempio viti, chiodi, batterie, elementi rotti ecc.una volta terminata l'installazione o manutenzione e poi strappare e gettare i sacchi di plastica d'imballaggio.

• Bambini potrebbero utilizzarli come materiale da gioco e farsi male.

Assicurarsi che il cavo di alimentazione non sia sporco, allentato o rotto e poi inserire solo completamente la spina

• Una spina rotta, sporca o allentata può provocare un incendio o rischio di folgorazione.

Non usare il prodotto in ambienti ermeticamente chiusi per periodi prolungati di tempo. Ventilare regolarmente.

• SI potrebbe verificare una carenza di

ossigeno dannosa per la salute.

Non aprire la griglia anteriore quando l'apparecchio è in funzione. (Non toccare il filtro elettrostatico, nel caso l'unità ne fosse provvista.

• C'è il rischio di lesioni fisiche, scossa elettrica o guasto del prodotto.

Se si sentono rumori strani, oppure dall'apparecchio si sprigionano odore o fumo, spegnere immediatamente l'interruttore centralizzato oppure staccare il cavo di alimentazione.

• C'è il rischio di prendere la scossa o incendio.

Ventilare regolarmente la stanza in cui si trova l'apparecchiatura quando questa viene usata insieme a una stufa o elemento riscaldante ecc.

• Si potrebbe verificare una carenza di ossigeno dannosa per la salute.

Spegnere l'apparecchio e staccare il cavo di alimentazione per pulire quando si esegue la pulizia o manutenzione dell'apparecchio.

• C'è il rischio di scossa elettrica.

Quando non si intende utilizzare il prodotto per un periodo prolungato, staccare l'alimentazione o spegnere l'interruttore automatico.

• C'è il rischio di danni al prodotto o guasto o utilizzo non intenzionale.

Assicurarsi che nessuno, specialmente bambini, possa inciampare o cadere sull'unità esterna.

• Questo potrebbe avere come risultato lesioni personali o danni al prodotto.

Assicurarsi che il cavo elettrico non possa essere estratto o danneggiato durante l'operazione.

• C'è il rischio di scossa elettrica o incendio.

Non posizionare ALCUN OGGETTO sul cavo di alimentazione.

• C'è il rischio di scossa elettrica o incendio.

Non inserire o staccare la spina per accendere e spegnere l'unità.

• C'è il rischio di scossa elettrica o incendio.

Quando si verificano perdite di gas, spegnere il gas ed aprire una finestra per la ventilazione prima di accendere il prodotto.

• Non usare il telefono o accendere o spegnere interruttori. C'è il pericolo di esplosione o incendio.

Nell'unità esterna il condensatore a gradini fornisce elettricità ad alta tensione ai componenti elettrici. Scaricare completamente il condensatore prima di effettuare lavori di riparazione

• Un condensatore carico potrebbe provocare scosse elettriche.

Quando si installa l'unità, usare il kit di installazione fornito in dotazione al prodotto.

• In caso contrario l'unità potrebbe cadere e provocare lesioni.

Usare soltanto i componenti elencati nell'elenco dei componenti di servizio. Non provare a modificare l'attrezzatura.

• L'uso di componenti errati può provocare scossa elettrica, generazione eccessiva di calore o incendio.

Per sollevare e trasportare l'apparecchio devono essere sempre usate due persone.

• Evitare lesioni personali.

Non installare il prodotto dove possa essere esposto direttamente al vento del mare (spruzzi di sale).

• Può provocare corrosione del prodotto.

Montare il tubo flessibile di scarico per garantire il corretto drenaggio dell'acqua di condensa.

• Un collegamento malfatto potrebbe provocare perdite d'acqua.

Mantenere il prodotto in livello durante l'installazione.

• Per evitare vibrazioni o rumore.

Non installare il prodotto in posizioni in cui il rumore o aria calda proveniente dall'unità esterna possano danneggiare o recare disturbo al vicinato.

• Potrebbe creare problemi con i vicini e portare a cause di litigio.

Controllare sempre che non vi siano perdite del gas (refrigerante) successivamente all'installazione o riparazione del prodotto.

• Livelli di refrigerante insufficienti possono provocare guasti al prodotto.

+ 179 hidden pages