LG LMAN127HVP User Manual

OWNER’S MANUAL

AIR CONDITIONER

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

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TYPE : WALL MOUNTED

P/NO : MFL68019801

ENGLISH

FRANCAIS

ESPAÑOL

2 Multi Air Conditioner

Multi-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

n Staple your receipt to this page in the event you need

it to prove date of purchase or for warranty issues.

READ THIS MANUAL

Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner.

You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of

Troubleshooting Tips first, you may not need to call for service at all.

PRECAUTION

• Contact the authorized service technician for repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• The air conditioner is not intended for use by young children or invalids without supervision.

• Young children should be supervised to ensure that they do not play with the air conditioner.

• When the power cord is to be replaced, replacement work shall be performed by authorized personnel only using only genuine replacement parts.

A. Safety Precautions ..........................................3

B. Product Introduction .......................................6

Indoor Units........................................................6

Outdoor Unit.......................................................6

C. Operating Instructions ....................................7

How to insert the Batteries .................................7

Wireless Remote Controller Maintenance..........7

Operating Method ..............................................7

Wireless Remote Controller ...............................8

Operation Mode .................................................9

Healthy Dehumidification Operation.................10

Auto Operation .................................................10

Air Circulation Operation ..................................10

Jet Cool/Heat Operation...................................11

Energy-Saving Cooling Mode ..........................11

Display Luminosity (Optional) ..........................11

Sleep Mode Operation (Optional) ....................11

Auto Clean(Optional)........................................12

Setting the Current Time ..................................12

Timer Setting....................................................12

To cancel the Timer Setting .............................12

Forced operation ..............................................13

Auto Restart Function ......................................13

E. Maintenance and Service ..............................14

Indoor Unit........................................................14

How to replace picture & photograph...............15

Troubleshooting Tips! Save time and money!..16

Call the service immediately in the following

situations ..........................................................16

Owner's Manual 3

Safety Precautions

ENGLISH

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by

the following indications.

n Meanings of symbols used in this manual are as shown below.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

Be sure not to do.

Be sure to follow the instruction.

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.

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.

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.

4 Multi Air Conditioner

Safety Precautions

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 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 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 cable, 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.

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 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.

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.

Owner's Manual 5

Safety Precautions

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 hazards.

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 Multi Air Conditioner

Product Introduction

h The figure can be changed according to model.

Outdoor Unit

Indoor Units

Product Introduction

Signal receiver

Front Panel

ON/OFF button

Air Discharge

Air intake vents

Air Filter

Air outlet vents

Base plate

Control cover

Connecting wire Connection pipe

Drain hose

Owner's Manual 7

Operating Instructions

ENGLISH

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.(Battery Size = AAA (1.5 volt))

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.

NOTE

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.

NOTE

1. The signal receiver is inside the unit.

Aim the remote controller towards the unit to operate it. There should not be any blockage in between.

Operating Method

Wireless Remote Controller Maintenance

How to insert the Batteries

Operating Instructions

8 Multi Air Conditioner

Operating Instructions

h Some functions may not be supported, depending on the model.

NOTE

Control

panel

Display

screen

Description

Air circulation button*: Used to circulate the room air without cooling or heating.

Sleep mode auto button*: Sets the sleep mode auto operation.

Temperature adjustment buttons:

Adjusts the room temperature when cooling and heating.

On/Off button: Turns the power on/off.

Indoor fan speed button: Adjusts the fan speed.

Operation mode selection button*:

Selects the operation mode. Cooling operation (A) / Auto operation or auto changeover (C) / Dehumidifying operation (D) / Heating operation (B)

Jet cooling/heating button*: Warms up or cools down the indoor temperature within a short period of time.

Air flow direction button: Adjusts the air flow direction.

Temperature display button: Displays the room temperature. Also changes unit from °C to °F if pressed for 5 seconds.

Timer button: Sets the current time and the start / end time.

c b \

Navigation and functions button*:

Adjusts the time and sets the special functions. J: Auto clean / G: Operates energy saving cooling / LIGHT : Adjusts the brightness of the indoor unit display

Set/clear button: Sets or cancels functions.

Reset button: Resets the air conditioner settings.

Cooling Mode

Auto Operation

Dehumidification mode

Heating Mode

Operation Mode

Wireless Remote Controller

Display screen

Control panel

Owner's Manual 9

Operating Instructions

ENGLISH

Press the ON/OFF BUTTON to turn the unit on. The unit will respond with a beep.

Open the door of the remote controller and press the operation mode button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.

For cooling or heating operation set the desired indoor temperature by pressing the ROOM TEMPERATURE SETTING BUTTONS. For cooling the temperature can be set within 18°C~30°C(64°F~86°F) and for heating the temperature range is 16°C~30°C(60°F~86°F).

Set the fan speed with the remote controller. You can select the fan speed by pressing the INDOOR FAN SPEED SELECTOR BUTTON. Each time the button is pressed, the fan speed mode is shifted.

Operation Mode

Natural wind

For fresher feeling, press the INDOOR FAN SPEED SELECTION BUTTON and set to Natural wind mode. In this mode, the wind blows like a natural breeze by automatically changing fan speed.

Cooling

Natural Wind Step1(Low) Step2(Medium) Step3(High)

Auto Operation

Dehumidifying

Operation

Heating

To raise the temperature

To lower the temperature

10 Multi Air Conditioner

Operating Instructions

During Healthy Dehumidification Operation

o If you select the dehumidification mode on the OPERATION MODE SELECTION BUTTON, the product starts to run

the dehumidification function. It automatically sets the room temperature and airflow volume to the best condition for

dehumidification, based on the sensed current room temperature. In this case, however, the setting temperature is not displayed on the remote controller and you are not able to control the room temperature either. o During the healthy dehumidification function, the airflow volume is automatically set according to the optimization

algorithm responding to the current room temperature status, so that the room condition is kept healthy and

comfortable even in the very humid season.

In this operation mode, the system is automatically operated by the electronic controls.

- You can set the desired temperature between 18°C(64°F) and 30°C(86°F) for Auto Operation mode.

This function properly operates when you use the remote controller matching each model.

NOTE

Auto Operation

Healthy Dehumidification Operation

This operation circulates the air without cooling or heating. It can be activated by pressing the Fan BUTTON. Once the air circulation is activated you can select the air speed by pressing the INDOOR FAN SPEED SELECTOR BUTTON.

Air Circulation Operation

Owner's Manual 11

Operating Instructions

ENGLISH

Jet cool function can be used to cool the room quickly in hot summer. When this

function is turned on, the air conditioner runs in cooling operation mode with super high fan speed and 18°C(64°F) setting temperature for 30 minutes for fast and effective cooling. Similarly, jet heat function (available only in some models) warms up the room quickly by operating at super high fan speed and 30°C(86°F) setting temperature for 30 minutes.

You can activate this operation by pressing the JET COOL BUTTON. To change from jet cool mode to high fan speed cooling mode, press the JET COOL BUTTON or INIDOOR FAN SPEED SELECTOR BUTTON or the ROOM TERPERATURE SETTING BUTTON again.

• Jet Cool/Heat operation cannot be activated during Air Circulation operation and auto operation.

NOTE

Energy-saving cooling mode can save energy in cooling operation, because it can operate efficiently by setting body-adaptation time according to the change of time and temperature and adjusting desired temperature automatically.

1. Press the ON/OFF BUTTON to start the unit.

2. Open the cover of the remote controller.

Select cooling operation.

3. Press the ENERGY-SAVING COOLING MODE BUTTON.

4. To cancel the energy-saving cooling mode, press the ENERGY-SAVING

COOLING MODE BUTTON again and unit will operate in previous mode(Cooling mode).

The Display Luminosity can be adjusted by using the remote control. Press the LCD/LED LUMINOSITY button. Display will be dark. Press the button again to set bright display.

Press the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop automatically. The timer is programmed in one-hour increments by pressing the SLEEP MODE AUTO BUTTON 1 to 7 times. The sleep mode is available for 1 to 7 hours.

• The sleep mode will operate indoor fan at super low speed in cooling mode and at low speed in heating mode for pleasant sleep.

NOTE

Sleep Mode Operation (Optional)

Display Luminosity (Optional)

Energy-Saving Cooling Mode

Jet Cool/Heat Operation

12 Multi Air Conditioner

Operating Instructions

o During auto clean function, moistures left in indoor units after cooling operation or healthy dehumidification

operation can be removed.

This function operate when the unit is turned off.

• Press the Auto Clean button.

• is displayed on the display screen.

If the Auto Clean function is reserved, whenever the unit is turned off, the indoor fan is still running for about 30 minutes internally without cooling or dehumidification operation. Also the louver is closed. This dries up any remains of moisture & cleans the unit internally.

1. Press the Set/Clear button for 3seconds.

- The AM/PM icon flickers at the bottom of the display screen.

2. Press Time Setting buttons until the desired time is set.

o q

3. Press the Set/Clear button.

1. Press ON or OFF button.

m n

2. Press Time Setting buttons until the desired time is set.

o q

3. Press the Set/Clear button.

Check the indicator for A.M. and P.M.

To cancel the Timer Setting

NOTE

• If you wish to cancel all timer setting, press the SET/CLEAR button.

• In order to cancel the timer settings individually, press the Timer button to select Reserved 'On' or

Reserved 'Off'. And then press the Set/Clear button aiming the remote controller at the signal receiver. (the timer lamp on the display will go off)

Timer Setting

Setting the Current Time

Auto Clean(Optional)

Owner's Manual 13

Operating Instructions

ENGLISH

Forced operation is used when the remote controller can't be used. The operation will be started if the ON/OFF button is pressed. If you want to stop the operation, re-press the button.

Test operation

During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room temperature and resets in 18 minutes.

During test operation, if remote controller signal is received, the unit operates as remote controller

sets.

If you want to use this operation, Press and hold the ON/OFF button for 3-5 seconds, then the buzzer sound 1

'beep'. If you want to stop the operation, re-press the button.

This feature is enabled by factory default setting, but you can disable it by pressing the ON/OFF button for 6 seconds. The unit will beep twice and the lamp will blink 8 times. To enable it, press the button again for 6 seconds. The unit will beep twice and the blue lamp will blink 4 times.

NOTE

This function is useful in the situation of power failure. When power regains after a failure this feature restore the previous operating condition and the air conditioner will run in the same settings.

Auto Restart Function

Heat pump Model

Room Temp. ≥ 24°C(75.2°F)

21°C(69.8°F) ≤ Room Temp. < 24°C(75.2°F)

Room Temp. < 21°C(69.8°F)

Operating mode

Cooling

Healthy Dehumidification

Heating

Indoor FAN Speed

High High High

Setting Temperature

22°C(71.6°F) 23°C(73.4°F) 24°C(75.2°F)

Forced operation

ON/OFF

button

14 Multi Air Conditioner

Maintenance and Service

Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker.

Clean the unit with a soft dry cloth. Do not use bleach or abrasives.

Never use any of these

• Water hotter than 40°C(104°F). It may cause deformation and discoloration.

• Volatile substances. They may damage the surface of the air conditioner.

Indoor Unit

Maintenance and Service

Air Filters

The air filters behind the front panel / grill should be checked and cleaned once in every 2 weeks or more often if necessary. To remove the filters see the self explanatory diagrams for each model type. Clean the filters with a vacuum cleaner or warm soapy water. If dirt is not easily removed, wash with a solution of detergent in luke warm water. Dry well in shade after washing and reinstall the filters back in place.

Removal of Filters

Pull out the upper section of front panel and lift it up. Take out a filter with front panel held. Dry it completely in the shade after cleaning. Then set a filter orderly. Put the hook of front panel onto the hanger, in order to close the front panel.

Front panel

Front panel hook

Hook-hanger

Air filter

Owner's Manual 15

Maintenance and Service

ENGLISH

How to replace picture & photograph

Turn off power and then open the upper part of front panel.

Take out picture.

Pull out the both links of lower part of front panel, as described in the below picture.

Turn upside-down of the picture and turn over mat, then take off a protective tape attached at the mat.

Push and close the top part of the front panel and then pull the bottom part of the panel forward until it is secured.

Place the picture/photograph between the exited picture and mat. (Recommended size of a photo/picture: 450mm x 450mm)

Protective tape

Mat

Cover mat and press down with hand(s) until contacting closely.

In case a mat is not used, recommended size of a photo/picture:

522mm (20-11/20 inch) X 522mm(20-11/20 X 20-11/20)

When powering on after replacing filter and picture, the front panel doesn't intervene.

Slide the photo graph/drawing requested under both hanger parts as following, and fix them. Press the front panel lightly to close.

Mat

450mm

Push both links of lower part of panel inside and fix it. Then turn on.

522mm

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