HTNC368DLC0 - Hi-Fi System LG - Free user manual and instructions

USER MANUAL HTNC368DLC0 LG

• 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.

TABLE OF CONTENTS

Safety Precautions....3

Prior to Operation 8

Introduction 9

Electrical Safety 10

Operating Instructions......11

Maintenance and Service ....30

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.

Simple line drawing of people enjoying a meal at a table with sun and palm trees in the background (no text or symbols)

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.

■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

WARNING

This symbol indicates the possibility of death or serious injury.

CAUTION

This symbol indicates the possibility of injury or damage.

■ 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.

• 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.

Cartoon illustration of a smiling air conditioner unit with a warning symbol (no text or labels)

Install the panel and the cover of control box securely.

• There is risk of fire or electric shock.

Illustration of a person reading a document with a fan inside an air conditioner unit, no text or symbols present

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.

Illustration of a hand holding a key emerging from a small screen, with an exclamation mark above (no text or symbols on the main image)

Do not modify or extend the power cable.

• There is risk of fire or electric shock.

For installation, always contact the dealer or an Authorized Service Center.

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

Illustration of a person using a phone to call into a computer monitor with an exclamation mark (no text or symbols present)

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 plug or un plug th power supply plug during operation.

• 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.

Do not install the product on a defective installation stand.

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

Cartoon illustration of a distressed air conditioner unit with arms and legs, no text or symbols present

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.

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

• There is risk of fire or electrical shock.

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.

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.

Illustration of a box with a fan inside, emitting exhaust smoke and a prohibition symbol below (no text or labels)

Do not place anything on the power cable.

• There is risk of fire or electric 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.

Cartoon illustration of a person inside an air conditioner with cooling effect and no visible text or symbols

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

Illustration of a cartoon character on a stove with a 'no' symbol below (no text or labels)

If strange sounds, or small 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.

Illustration of a fire incident with smoke and lightning, no text or symbols present

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.

Illustration of a person reacting to a device with a prohibition symbol (no text or labels)

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

• There is risk of fire or electric shock.

Illustration of a person using a computer with an exclamation mark symbol (no text or labels present)

Be cautious that water could not enter the product.

• There is risk of fire, electric shock, or product damage.

Illustration of hands holding a device with a warning symbol (no text or labels present)

Ventilate the product from time to time when operating it together with a stove, etc.

• There is risk of fire or electric shock.

Illustration of a cooking setup with a stove, a pot, and a person on a tray (no text or symbols)

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

• There is risk of electric shock.

Illustration of a woman reacting to a screen showing a 'BUY' button, with a magnifying glass above her (no text or symbols on the main image)

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.

CAUTION

Installation

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

- Low refrigerant levels may cause failure of product.

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.

Illustration of a person using a device to stop a large screen with a 'no' symbol above (no text or labels)

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

• A bad connection may cause water leakage.

Use two or more people to lift and transport the product.

- Avoid personal injury.

Illustration of a worker pushing an air conditioner unit with a prohibition symbol (no text or labels)

Keep level even when installing the product.

• To avoid vibration or water leakage.

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.

Illustration of a window with a roof-mounted fixture and a prohibition sign, overlooking a tropical landscape (no text or symbols)

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.

Illustration of a person reaching toward a window with an exclamation mark, next to a person peeking out (no text or symbols)

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.

Illustration of a person reacting to a solar panel installation with a magnified inset showing a small object (no text or symbols present)

Donotsteponorput anything on the product. (outdoor units)

• There is risk of personal injury and failure of product.

Illustration of a cartoon air conditioner unit with a fan and a prohibition symbol (no text or labels)

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.

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.

Illustration showing a person using a device with a prohibition symbol below (no text or labels)

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.

Illustration of a smoking machine with no smoking symbol and smoke, no text or labels present.

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.

Prior to Operation

Preparing for operation

1. Contact an installation specialist for installation.
2. Plug in the power plug properly.
3. Useadedicated circuit.
4. Do not use an extension cord.
5. Do not start/stop operation by plugging/unplugging the power cord.
6. If the cord/plug is damaged, replace it with only an authorized replacement part.

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

Service

For repair and maintenance, contact your authorized service dealer.

Introduction

Symbols used in this Manual

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that could cause harm to the air conditioner.

NOTICE

This symbol indicates special notes.

Features

WARNING: This appliance should be installed in accordance with national wiring regulations. This guide acts as a guide to help to explain product features.

Electrical Safety

WARNING: This appliance must be properly grounded.

To minimize the risk of electric shock, you must alway plug into a grounded outlet.

Preferred method

Ensure proper ground exists before use

WARNING: Do not cut or remove the grounding prong from the power wire.

WARNING: Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring.

WARNING: If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and circuit checked by a qualified electrician.

Operating Instructions

Indoor Unit, Outdoor Unit

Indoor Unit

Signal Receptor

Receives the signals from the remote control.

(Signal receiving sound: two short beeps or one long beep.)

Operation Indication Lamps

① On/Off : Lights up during the system operation.

Filter Sign : Lights up after 2400 hours from the time of first operating unit. (Refer to page 26.)

Timer : Lights up during Timer operation.

Outdoor Unit : Lights up during outdoor unit operation. Operation

Forced : Operation procedures when the remote control Operation can't be used.

Outdoor Unit

Name and Function of Remote Controller

1. Operation display

Displays the operation conditions.

2. On/Off Button

Operation starts when this button is pressed, and stops when the button is pressed again.

3. Set Temperature Button

Used to set the temperature when the desired temperature is obtained.

4. FAN Operation Button

Used to circulate room air without cooling or heating.

5. Fan Speed & Jet Cool Button

Used to set the desired fan speed and select Jet cool mode.

6. Operation Mode Selection Button

Used to select the operation mode.

• Cooling Operation Mode
• Soft Dry Operation Mode
• Auto Operation Mode

7. Auto Swing Button

Used to swing up and down.

8. Room Temperature Checking Button

Used to check the room temperature.

9. Plasma Air Clean Button (optional)

10. Timer Cancel Button

Used to cancel the timer.

11. Timer Set Button

Used to set the timer when the desired time is obtained.

12. Week Button

Used to set a day of the week.

13. Program Button

Used to set the weekly timer.

14. Holiday Button

Used to set a holiday of the week.

15. Time Set Button

Used to set the time of the day and change the time in the weekly timer Function.

16. Set and Clear Button

Used to set and clear the weekly timer.

17. Swirl Button

Used to select swirl mode.

18. Reset Button

Used to set the current time and clear the setting time.

* 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.

Wireless Remote Controller

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.

The controls will look like the following.

Controls

1. START/STOP BUTTON

Operation starts when this button is pressed and stops when the button is pressed again.

2. OPERATION MODE SELECTION BUTTON

Used to select the operation mode.

3. ROOM TEMPERATURE SETTING BUTTONS

Used to select the room temperature.

4. INDOOR FAN SPEED SELECTOR

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

5. JET COOL

Used to start or stop the speed cooling.(speed cooling operates super high fan speed in cooling mode.)

6. CHAOS SWING BUTTON

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

7. ON/OFF TIMER BUTTONS

Used to set the time of starting and stopping operation.

8. TIME SETTING BUTTONS

Used to adjust the time.

9. TIMER SET/CANCEL BUTTON

Used to set the timer when the desired time is obtained and to cancel the Timer operation.

10. SLEEP MODE AUTO BUTTON

Used to set Sleep Mode Auto operation.

11. AIR CIRCULATION BUTTON

Used to circulate the room air without cooling or heating.

12. ROOM TEMPERATURE CHECKING BUTTON

Used to check the room temperature.

13. NEO PLASMA(OPTIONAL)

Used to start or stop the plasma-purification function.

14. HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (OPTIONAL)

Used to set the desired horizontal airflow direction.

15. RESET BUTTON

Used prior to resetting time.

16. 2nd F Button

Used prior to using modes printed in blue at the bottom of buttons.

17. AUTO CLEAN (OPTIONAL)

Used to set Auto Clean mode.

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)

Set the Current Time and a day of the Week

1 Press the ' button. Hour

Each time the button is pressed, the number is changed from 00 to 23. You can set the number of the current hour.

2 Press the ' ' button. Min

Each time the button is pressed, the number is increased from 00 to 59. You can set the number of the current minute.

3 Press ' ' button.

Each time the button is pressed, a day of the week is shifted from sunday to saturday. You can set the day of the week.

4 Press the ' button.

If you want to reset the current time and a day of the week, click the Reset button.

Weekly Program Setting

1 Press the Program button. The remote controller is displayed like below. Then 'Program set', 'Sun' and '01' is blinked.

2 Press the ' button. Select the Monday.

3 Change the timer setting until the desired time is set. After you select a time, push the SET/CLR button once or one more time.

For Example if the air-conditioner is turned on from 6 to 8 and from 13 to 22 and turned off at other time monday, display is as follows. (black bar indicates turn-on, white bar indicates turn-off.) If you follow the above procedure, you can set timer for turning or and off in all of the week.

4 If you don't set the weekly program again after setting the weekly program, it is same the previous setting. If you want to keep the weekly program for only a week follow the next procedure.

1) Press the "CANCEL" button and "SET/CLR" button simultaneously. Then the display will be toggled like before.

2) Detach your finger from buttons at the moment that it is displayed the Ⓑ figure. Then the weekly program is kept for only one week.

Holiday Setting

If Tuesday is a holiday in this week, you may set a holiday.

Press the Program button.

Press the Week button. Select the Tuesday.

Press the Holiday button.

Then the remote controller will be displayed 'Tue'. The outside rectangular means holiday.
* You cannot set the weekly program for a holiday

graph TD
    A["AUTO SWING OPERATION SET TEMP FAN SPEED SUBFUNCTION"] --> B["Program 20 - Time: 01.03.05.07 09:11 15:15 17:18:21 29"]
    B --> C["↓"]
    C --> D["AUTO SWING OPERATION SET TEMP FAN SPEED SUBFUNCTION"]
    D --> E["Program 20 - Time: 01.03.05.07 09:11 15:15 17:18:21 29"]
    E --> F["↓"]
    F --> G["AUTO SWING OPERATION SET TEMP FAN SPEED SUBFUNCTION"]
    G --> H["End"]

Timer Setting (Delay start/Pre-set stop)

This function is used to turn on or turn off after several hours.

Press the Timer button to turn Timer on or off.

Change the timer setting until the desired time is set.

If you want to cancel the timer setting, press the Cancel button.

• When the air conditioner is turned off, the air conditioner is turned on after 8 hours.
• When the air conditioner is turned on, the air conditioner is turned off after 5 hours.

Self-diagnosis Function

'CH' will flash in the remote controller display when a problem occurs. Then please contact your dealer.

Operation Mode

graph TD
    A["Cooling Mode"] --> B["Soft Dry Mode"]
    B --> C["Heating Mode"]
    C --> D["Auto Mode"]

(Heat Pump Model)

graph TD
    A["Cooling Mode"] --> B["Soft Dry Mode"]
    B --> C["Auto Mode"]

(Cooling Model)

Operation Procedure

1st On/Off Button

2nd Operation Mode Selection Button

3rd Room Temperature Setting Button

4th Indoor Fan Speed Selection Button

Cooling Operation Mode

1 Press the On/Off Button.

2 Select Cooling Operation.

Press the Operation Mode Selection Button.

Each time the button is pressed, the operation mode is shifted in the arrow direction.

HEAT PUMP MODEL

Operation Display

Cooling Operation

Soft Dry Operation

Heating Operation

Auto Operation

COOLING MODEL

Operation Display

Cooling Operation Soft Dry Operation
Auto Operation

3 Set the temperature lower than the room temperature.

- The temperature can be set within a range of 18^ 30^ by 1^ .

To increase the Temperature.

To decrease the Temperature.

4 Set the fan speed.

Operation Display

- Select the fan speed in six steps-high, auto, power jet, super low, low, medium.

• The display shows high fan speed.

• Each time the button is pressed, the fan speed mode is shifted.

※ During Cooling operation, pressing the fan speed button can be changed Jet Cool operation mode.(Refer to p26.)

Soft Dry Operation Mode

This mode dehumidifies without overcooling.

1 Press the On/Off Button.

2 Select Soft Dry Operation.

Press the operation Mode Selection Button.

Each time the button is pressed, the operation mode is shifted in the arrow direction.

HEAT PUMP MODEL

graph LR
    A["Operation Display"] --> B["Cooling Operation"]
    B --> C["Soft Dry Operation"]
    C --> D["Heating Operation Auto Operation"]

COOLING MODEL

graph LR
    A["Hand Click"] --> B["Operation Display"]
    B --> C["Cooling Operation"]
    C --> D["Soft Dry Operation Auto Operation"]
    D --> E["Operation Display"]

3 During Dry Operation.

- The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by Micom Control.

Heating Operation Mode (Heat pump model only)

1 Press the On/Off Button.
2 Select Heating Operation.Press the Operation Mode Selection Button.Each time the button is pressed, the operation mode is shifted in the arrow direction. Cooling Operation Soft Dry Operation Heating Operation Auto Operation
3 Set the temperature higher than the room temperature. ·The temperature can be set within a range of 16°C~30°C by 1°C.To increase the Temperature.To decrease the Temperature.
4 Set the fan speed. ·Select the fan speed in five steps-high, auto, super low, low, medium.·The display shows high fan speed·Each time the button is pressed, the fan speed mode is shifted.
5 This air-conditioner is set to the hot start control in order not to discharge the cold air during the heating operation. This time, the remote controller indicates 'Preheat'.
6 If the outdoor temperature is too low during the heating operation, this air-conditioner is set to the defrosting operation and the remote controller indicates 'Defrost'.

Auto Operation Mode (Cooling model)

1 Press the On/Off Button.

2 To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.

COOLING MODEL

graph LR
    A["Operation Display"] --> B["Step 1: AUTO SWING OPERATION (SET TEMP) FAN SPEED SUBFUNCTION"]
    B --> C["Step 2: AUTO SWING OPERATION (SET TEMP) FAN SPEED SUBFUNCTION"]
    C --> D["Step 3: AUTO SWING OPERATION SET TEMP FAN SPEED SUBFUNCTION"]
    D --> E["Output: AUTO SWING OPERATION SET TEMP FAN SPEED SUBFUNCTION"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#cff,stroke:#333

Cooling Operation Soft Dry Operation Auto Operation

3 The temperature and fan speed are automatically set by the electronic controls based on the actual room temperature. If you want to change the set temperature, close the door on the remote control and press the Room Temperature Setting buttons. The cooler or warmer you feel, the more times (up to two times) you should press the button. The set temperature will then be changed. The temperature can be set within a range of -2\~2 by 1 level.

(This indication will be shifted to the initial Auto Mode Display state after 5 seconds.)

To increase the Temperature.
To decrease the Temperature.

During Auto Operation:

☐ You cannot switch the indoor fan speed. It has already been set by the Fuzzy rule.
☐ If the system is not operating as desired, manually switch to another mode. The system will not automatically switch from the cooling mode to the heating mode, or from heating to cooling, it must be done by manually resetting.
☐ During Auto Operation, pressing the auto swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the auto swing button again.

Auto Operation Mode (Heat pump model)

1 Press the On/Off Button.

2 To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.

HEAT PUMP MODEL

graph LR
    A["Operation Display"] --> B["Cooling Operation"]
    B --> C["Soft Dry Operation Heating Operation Auto Operation"]
    C --> D["Operation Display"]

3 The setting temperature can be changed, when the set temperature button is pressed.

- The temperature can be set within a range of 18°C\~30°C with increment/decrement of 1°C.

To increase the Temperature.

To decrease the Temperature.

During Auto Operation:

☐ You can switch the indoor fan speed.
☐ The system will automatically switch from the cooling mode to the heating mode, or from heating to cooling, when you select Auto Operation mode.

FAN Operation Mode

1 Press the On/Off Button.

2 Press FAN Operation Button.

3 Each time Fan Speed button is pressed, the fan speed mode is shifted in the arrow direction.

- Fan speed is Auto.

- Fan speed is high.

- Fan speed is medium.

- Fan speed is low.

- Fan speed is Super low.

graph TD
    A["Hand icon"] --> B["Switch Button"]
    B --> C["Auto Swing Operation"]
    C --> D["SET TEMP"]
    D --> E["FAN SPEED"]
    E --> F["SUB FUNCTION"]
    F --> G["Hand icon"]
    G --> H["Switch Button"]
    H --> I["Auto Swing Operation"]
    I --> J["SET TEMP"]
    J --> K["FAN SPEED"]
    K --> L["SUB FUNCTION"]
    L --> M["Hand icon"]
    M --> N["Switch Button"]
    N --> O["Auto Swing Operation"]
    O --> P["SET TEMP"]
    P --> Q["FAN SPEED"]
    Q --> R["SUB FUNCTION"]
    R --> S["Hand icon"]
    S --> T["Switch Button"]
    T --> U["Auto Swing Operation"]
    U --> V["SET TEMP"]
    V --> W["FAN SPEED"]
    W --> X["SUB FUNCTION"]
    X --> Y["Hand icon"]

Comfort Operation with Swirl

• It is the function for comfort cooling/heating operation.
• The diagonal two louvers are opened the more larger than the other louvers. After one minute, it is opposite.

Vane Control

You can change the open angle to the install situation.

1 Press the On/Off Button.

Hand pressing a button with a numbered circle (no text or symbols)

2 Press the right arrow and auto swing button simultaneously for three seconds. Then the display will be toggled like before. Detach your finger from buttons at the moment that it is displayed "P0" in the operation display.

3 Press the Auto Swing button again. Then it will be changed the open angle of two horizontal louvers. (from P0 to P5)

4 Press the right arrow button and Auto Swing button to finish the setting.

5 Press the left arrow button and Auto Swing button for three seconds in order to set the other two louvers. Next procedure is the same before.

6 Although the air conditioner is turned ON/OFF, the previous setting position is not changed. If you want to set the default position, you have to set the "P0". Because the default is the "P0".

Jet Cool Operation Mode

graph TD
    A["1 Press the On/Off button.<br>The unit will respond with a beep.<br>Select Cooling Operation."] --> B["2 Press the Fan speed button."]
    B --> C["3 To cancel the jet cool mode, press the fan speed button again, the set temperature button, operation button, or fan operation button."]

NOTICE

☐ During the Jet Cool function at any moment, the A/C starts to blow the cool air at extremely high speed setting the room temp. automatically to 18^ C. It is especially used to cool the room temp. in the shortest time in a hot summer.
☐ In order to return to the normal cooling mode from the Jet Cool mode, you just press either the operation mode selection button, fan speed button or temperature setting button or fan operation button.

Auto Swing Mode

1 Press the On/Off button. (Confirm the unit on operation.)

2 Press the Auto button then the horizontal louvers swing up and down automatically.

3 Press again the Auto Swing button cancel the Auto Swing mode.

Child Lock Function

This is the function that any children cannot used to the air-conditioner.

Operation procedure

1. To set the Child-Lock Function

Press the Timer button and Minute Set button for three seconds. Then the operation mode shift to child lock mode and it is displayed 'CL' in the operation display. When you press any button in this time, the remote controller is not converted to any selected mode and the 'CL' is displayed in the remote controller for about three seconds. But the Room Temperature function is operated in spite of child lock mode.

2. To cancel the Child-Lock Function

Press the Timer button and Minute Set button for three seconds. Then the child-lock mode is cancelled and the preselected mode is displayed in the remote controller.

PLASMA Purification Operation (Optional)

graph TD
    A["1 Press the On/Off button. The unit will respond with a beep."] --> B["2 Open the door on the remote control. Press the PLASMA air purifying operation ON/OFF button. Operation will start when the button is pressed and stop when the button is pressed again."]
    B --> C["3 Set the fan speed again with door of the remote control closed. You can select the fan speed in five steps-super low, low, medium, high or Auto. Each time the button is pressed, the fan speed mode is shifted. * Air purifying operation (PLASMA) with cooling or any other operations."]

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 ▶ button of wired remote controller at the same time for 3 sec. Then filter sign LED is OFF.

Forced Operation

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.

Diagram of a solar panel installation with a control knob and cursor icon (no text or symbols)

Forced operation (Tact switch)

	Cooling Model	Heat pump Model
		Room Temp. ≥ set Temp.-2°C	Room Temp. < set Temp.-2°C
Operating mode Cooling	Cooling Heating
Indoor FAN Speed	High	set available	set available
Setting Temperature	22°C	set available	set available

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.

Helpful information

Fan speed and cooling capacity.

The cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed.

High fan speed is recommended when you wish to cool the room quickly.

Maintenance and Service

CAUTION Before performing any maintenance, turn off the main power to the system.

Indoor Unit

Grille, Case and Remote Controller

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

NOTICE

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 necessary.

■ 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.

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

③ 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.

4 Install the air filter.

Outdoor Unit

The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned.

NOTICE

Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs.

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

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.

2. Type of operation: Fan operation mode.(Refer to page 21.)

3. This will dry out the internal mechanisms.

4. Turn off the breaker.

CAUTION Turn off the circuit breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may cause a fire.

Helpful information

The air filters and your electric 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 28 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.

Operation Tips

Do not overcool the room.

This is not good for your 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.

Troubleshooting Tips! Save time and money!

Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or service center.

Case Explanation See page
The air conditioner does not operate.	Have you made a mistake in timer operation?	16
	Has the fuse blown or has the circuit breaker been tripped?	-
The room has a peculiar odor.	Check that this is not a damp smell exuded by the walls, carpet, furniture, or cloth items in the room.	-
It seems that condensation is leaking from the air conditioner.	Condensation occurs when the airflow from the air conditioner cools the warm room air.	-
Air conditioner does not operate for about 3 minutes when restarted.	This is the protector of the mechanism.Wait about three minutes and operation will begin.	-
Does not cool or heat effectively.	Is the air filter dirty? See air filter cleaning instructions.	30
	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?	18
	Are the indoor unit's air inlet or outlet vents obstructed?	-
The air conditioner operation is noisy.	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.	-
Remote control display is faint, or no display at all.	Are the batteries depleted?Are the batteries inserted in the opposite (+) and (-) directions?	-
Crack sound is heard.	This sound is generated by the expansion/constriction of the front panel, etc. due to changes of temperature.	-
Filter sign lamp (LED) is ON.	Cleaning the filter, press the Timer button andbutton of wired remote controller at the same time for 3 sec.	-

Details of LG serial No.

Main Service Part List

NO	PART NAME
1	COMPRESSOR
2	MOTOR
3	MAIN PCB ASSY
4	REMOTE CONTROLLER
5	TRANSFORMER

Model Weight

Model	Weight(kg)
	Indoor(Front panel)	Outdoor
HT-C186HLA1	28.20(4.5)	51.00
HT-C246HLA1	28.20(4.5)	60.00
HT-C306HLA0	28.20(4.5)	66.00
HT-C368DLA0	36.00(4.5)	81.00
HT-C488DLA0	36.00(4.5)	88.00