LG MT11AH User manual

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

CEILING CASSETTE - 1WAY (ART TYPE) Original instruction

OWNER’S MANUAL

AIR CONDITIONER

MFL67870319

Rev.00_031319

FRANÇAIS

ENGLISH

Table of contents

3 SAFETY PRECAUTIONS

6 PRIOR TO OPERATION

6 Preparing for Operation

6 Usage

6 Cleaning and Maintenance

6 Service

7 OPERATING INSTRUCTIONS

7 Name and function of wired remote controller

8 Name and Function of Wireless Remote Controller

9 Standard Operation - Standard Cooling

10 Standard Operation - Power Cooling

10 Standard Operation - Heating Mode

11 Standard Operation - Dehumidification Mode

12 Standard Operation - Fan Mode

13 Standard Operation - Auto Operation Mode

14 Standard Operation - Airflow Setting

15 Standard Operation - Temperature Setting/Room Temperature Check

16 Sub function - Plasma Purification

17 Function setting - Child Lock

18 Function Setting - Change Temp

19 Function setting - Filter Sign Clear

20 Function setting - Vane Angle Control

21 Function setting - Changing Current Time

23 Programming - Simple Reservation

24 Programming - Weekly Reservation

26 Programming - Sleep Reservation

27 Programming - ON Reservation

29 Programming - OFF Reservation

31 Programming - Holiday Reservation

32 Forced Operation

32 Auto Restart Function

33 MAINTENANCE AND SERVICE

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

34 Operation Tips

35 Before you call for service...

TABLE OF CONTENTS

Safety Precautions

ENGLISH

Owner’s Manual 3

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.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

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

Be sure not to do.

Be sure to follow the instruction.

Safety Precautions

WARNING CAUTION

WARNING

Installation

• Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.

- There is risk of fire or electric shock.

• For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center.

- Do not disassemble or repair the product. There is risk of fire or electric shock.

• Always ground the product.

- 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.

• Always install a dedicated circuit and breaker.

- Improper wiring or installation may cause fire or electric shock

• Use the correctly rated breaker or fuse.

- There is risk of fire or electric shock.

• Do not modify or extend the power cable.

- There is risk of fire or electric shock.

• Do not install, remove, or re-install the unit by yourself (customer).

- There is risk of fire, electric shock, explosion, or injury.

• Be cautious when unpacking and installing the product.

- 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.

- There is risk of fire, electric shock, explosion, or injury.

• Do not install the product on a defective installation stand.

- It may cause injury, accident, or damage to the product.

• Be sure the installation area does not deteriorate with age.

- If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

• 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.

Safety Precautions

Operation

• 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 during operation.

- There is risk of fire or electric shock.

• Do not touch(operate) the product with wet hands.

- There is risk of fire or electrical shock.

• Do not place a heater or other appliances near the power cable.

- There is risk of fire and electric shock.

• Do not allow water to run into electric parts.

- It may cause There is risk of fire, failure of the product, or electric shock.

• Do not store or use flammable gas or combustibles near the product.

- There is risk of fire or failure of product.

• Do not use the product in a tightly closed space for a long time.

- Oxygen deficiency could occur.

• 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

• If strange sounds, or smell or smoke comes from product. Turn the breaker off or disconnect the power supply cable.

- There is risk of electric shock or fire.

• Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives.

- There is risk of property 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.)

- There is risk of physical injury, electric shock, or product failure.

• When the product is soaked (flooded or submerged), contact an Authorized Service Center.

- There is risk of fire or electric shock.

• Be cautious that water could not enter the product.

- 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.

- There is risk of fire or electric shock.

• Turn the main power off when cleaning or maintaining the product.

- There is risk of electric shock.

• When the product is not 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 could step on or fall onto the outdoor unit.

- This could result in personal injury and product damage.

Installation

• Always check for gas (refrigerant) leakage after installation or repair of product.

- Low refrigerant levels may cause failure of product.

• Install the drain hose to ensure that water is drained away properly.

- A bad connection may cause water leakage.

• Keep level even when installing the product.

- To avoid vibration or water leakage.

• Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.

- It may cause a problem for your neighbors.

CAUTION

• Use two or more people to 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. 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.)

- This could harm to your health.

• 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, 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. They are very sharp!

- 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. Clean the filter every two weeks or more often if necessary.

- A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.(Grill

Type)

• Do not insert hands or other objects through the air inlet or outlet while the product is operated.

- There are sharp and moving parts that could cause personal injury.

• 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 or maintaining the product.

- Be careful and avoid personal injury.

• 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 explosion

• Do not recharge or disassemble the batteries. Do not dispose of 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.

Safety Precautions

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Owner’s Manual 5

Prior to Operation

1. Contact an installation specialist for installation.

2. Use a dedicated circuit.

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.

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 unit’s power is accidentally triggered on while cleaning inner parts of the unit.

For repair and maintenance, contact your authorized service dealer.

Service

Cleaning and Maintenance

Usage

Preparing for Operation

Prior to Operation

Operating Instructions

ENGLISH

Owner’s Manual 7

Name and function of wired remote controller

Operating Instructions

Operation Display

Windows

Sub function Button

Airflow Button

Function Setting Button

Ventilation Button

Set/Cancel Button

Temperature Control Button

On/Off Button

Operation Mode Selection Button

Wireless Remote Controller Receiver

Fan Speed Button

Reservation Button

Up/Down/Left/Right

Button

Room temperature

Button

ESC Button

Operation Display Windows : Displays the status of operation and settings Ventilation Button : For interlocking operations of air-conditioner and ventilator Function Setting Button : To select the additional operations function Airflow Button : To select the airflows Sub function Button : To select the additional operations function Reservation Button : To program the schedule Up/Down/Left/Right Button : To change the settings in the menu Room temperature Button : To check the indoor temperature ESC Button : To exit from the menu Set/Cancel Button : To save the settings in the menu Temperature Control Button : To change the desired temperature Fan Speed Button : To select the fan speed On/Off Button : To turn on/off with a remote controller Mode Selection Button : To select the operating mode Wireless Remote Controller Receiver

※ Some functions may not be operated and displayed depending on the product type. ※ It will display strange value to the room temperature if wired remote controller is not connected.

Operating Instructions

Name and Function of Wireless Remote Controller

VANE ANGLE Button

Used to set each vane angle.

FUNCTION SETTING Button

Used to set or clear Auto Clean, Smart Clean, Electric heater or Individual vane angle control.

ON/OFF Button

Used to turn on/off the unit.

JET COOL Button

Speed cooling operates super high fan speed.

LEFT/RIGHT AIRFLOW Button (OPTIONAL)

Used to set the desired left/right(horizontal) airflow direction.

UP/DOWN AIRFLOW Button

Used to stop or start louver movement and set the desired up/down airflow direction.

ON TIMER Button

Used to set the time of starting operation.

SLEEP TIMER Button

Used to set the time of sleeping operation.

SET / CLEAR Button

Used to set/clear the timer. Used to set the current time(if it input for 3 seconds)

PLASMA Button (OPTIONAL)

Used to start or stop the plasma-purification function.

ROOM TEMPERATURE SETTING Button

Used to select the room temperature.

OPERATION MODE SELECTION Button

Used to select the operation mode.

INDOOR FAN SPEED SELECTION Button

Used to select fan speed in four steps low, medium, high and chaos.

ROOM TEMPERATURE CHECKING Button

Used to check the room temperature.

OFF TIMER Button

Used to set the time of stopping operation.

TIMER SETTING(Up/Down)/LIGHT Button

Used to set the timer. Used to adjust the brightness.(if it is not time adjust mode)

RESET Button

Used to reset the remote controller.

Operation Mode

Cooling Mode

Auto Mode or Auto Changeover

Dehumidification mode

Heating Mode

Fan Mode

• Cooling Model( ), Heat Pump Model( )

Operating Instructions

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Owner’s Manual 9

Standard Operation - Standard Cooling

h Setting Temp Range : 18 ˚C~30 ˚C (64 ˚F~86 ˚F)

It cools the room by comfortable and clean wind.

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.

It makes the room cool using pleasant and fresh air quickly

It supplies warm wind to the indoor

Standard Operation - Heating Mode

What is Power Cooling?

• Desired temperature: Po (actually 18 °C)

• Wind flow: power wind

• Wind direction: fix to air-cooling position

Partial product has no power air-cooling function.

• Heating drive only operates at the cooling and heating model.

• Heating doesn't operate at cooling exclusive model.

It make room temperature drop fast by running

}

Operating Instructions

Standard Operation - Power Cooling

Press button to trun 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. (To check the indoor temperature, press the room temperature button.)

Adjust the desired temperature

by pressing buttons.

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

ENGLISH

Owner’s Manual 11

Operating Instructions

It removes humidity while air-cooling weakly.

• In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier and

cooling mode to remove humidity effectively.

• The menu item of wind powerfulness might not be partially selected according to the product.

Standard Operation - Dehumidification Mode

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 feeble → weak → medium → strong → automatic. (The initial wind powerfulness of humidity removal drive is 'weak'.)

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