LG Air Conditioner Owner's Manual

Table of Contents

• Safety Instructions
• Important Safety Instructions
• Product Overview
• Installation
• Operation
• Smart Functions
• Maintenance
• Troubleshooting

Safety Instructions

Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages.

WARNING: You may be killed or seriously injured if you do not follow instructions.

CAUTION: You may be injured or cause damage to the product if you do not follow instructions.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what may happen if the instructions are not followed.

The following symbols are displayed on units:

• This symbol indicates that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposure to an external ignition source, there is a risk of fire.
• This symbol indicates that the Operation Manual should be read carefully.
• This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual.
• This symbol indicates that information is available such as the Operating Manual or Installation Manual.

Important Safety Instructions

WARNING

To reduce the risk of explosion, fire, death, electric shock, scalding or injury to persons when using this product, follow basic precautions, including the following:

Installation

• Before use, the appliance must be properly installed as described in this manual.
• 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.
• Keep any required ventilation openings clear of obstruction.
• Compliance with national gas regulations shall be observed.
• 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.
• Connect to a properly rated, protected, and sized power circuit to avoid electrical overload.
• Always plug into a grounded outlet.
• Do not under any circumstances, cut or remove the third (ground) prong from the power cord.
• When installing or moving the appliance, be careful not to pinch, crush, or damage the power cord.
• Plug in the power plug properly.
• Do not modify or extend the power cord.
• Do not start/stop operation by plugging/unplugging the power cord.
• Do not turn on the circuit breaker or power under condition that front grille, cabinet, control box are removed or opened. Otherwise, it may cause fire, electric shock, explosion or death.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified person in order to avoid a hazard.
• Use a dedicated circuit.
• Do not disassemble or modify the product.
• Adhere to all industry recommended safety procedures including the use of long-sleeved gloves and safety glasses.
• Use care when unpacking and installing. The edges of the product may be sharp.
• Disconnect the power cord or circuit breaker before installing or servicing the appliance.
• Keep packaging materials out of the reach of children. These materials can pose a suffocation risk to children.
• Store and install the product where it will not be exposed to temperatures below freezing or exposed to outdoor weather conditions.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

Operation

• Use this appliance only for its intended purpose.
• Never attempt to operate this appliance if it is damaged, malfunctioning, partially disassembled, or has missing or broken parts, including a damaged cord or plug.
• Repair or immediately replace all power cords that have become frayed or otherwise damaged. Do not use a cord that shows cracks or abrasion damage along its length or at either end.
• Do not run cord under carpets or mats where it could be stepped on and damaged.
• Keep the cord out from under heavy objects like tables or chairs.
• Do not place the power cord near a heat source.
• Do not use an adaptor or plug the product into a shared outlet.
• Do not tamper with controls.
• If you detect a strange sound, a chemical or burning smell, or smoke coming from the appliance, unplug it immediately, and contact an LG Electronics Customer Information Center.
• Never unplug the appliance by pulling on the power cord. Always grip the plug firmly and pull straight out from the outlet.
• Do not grasp the power cord or touch the appliance controls with wet hands.
• If water enters the product, turn off the power at the main circuit, then unplug the product and call for service.
• If the product has been submerged, contact the LG Electronics Customer Information Center for instructions before resuming use.
• Unplug the product when unused for long periods.
• Unplug the product before cleaning.
• In the event of a gas leak (propane gas, etc.) do not operate this or any other appliance. Open a window or door to ventilate the area immediately.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
• The interior of the product must only be cleaned by a LG Electronics Customer Information Center or a dealer.
• Do not use solvent-based detergent on the product. Doing so can cause corrosion or damage, product failure, electrical shock, or fire.

Grounding Instructions

• The power cord of this appliance is equipped with a three-prong (grounding) plug. Use this with a standard three-slot (grounding) wall power outlet to minimize the hazard of electric shock. The customer should have the wall receptacle and circuit checked by a qualified electrician to make sure the receptacle is properly grounded. DO NOT CUT OR REMOVE THE THIRD (GROUND) PRONG FROM THE POWER PLUG.
• Situations when the appliance will be disconnected occasionally: Because of potential safety hazards, we strongly discourage the use of an adapter plug.
• 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. The customer should have the circuit checked by a qualified electrician to make sure the receptacle is properly grounded.
• Disconnect the power cord from the adapter, using one hand on each. Otherwise, the adapter ground terminal might break. Do not use the appliance with a broken adapter plug.
• Situations when the appliance will be disconnected often: Do not use an adapter plug in these situations. Unplugging the power cord frequently can lead to an eventual breakage of the ground terminal. The wall power outlet should be replaced by a three-slot (grounding) outlet instead.

CAUTION

To reduce the risk of minor or moderate injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following:

Installation

• Take care when installing the product that exhaust or condensation does not damage nearby property.
• Follow installation instructions exactly to avoid excessive vibration or water leakage.
• Do not install the appliance in an area where it is directly exposed to sea air (salt spray). Saline conditions are a cause of corrosion. (Particularly, corrosion of the condenser and evaporator can damage the appliance or impair its performance.)
• Set up windbreak in front of the outdoor unit if installing it in coastal areas. Avoid direct exposure to salt winds. Install a firm and stiff concrete-wind shield that can withstand salt winds.

Operation

• This appliance is not intended for use as a precision refrigeration system. Do not use it for special purposes such as maintaining pets, food, precision machinery, or art objects.
• When installing or moving the appliance, be careful not to pinch, crush, or damage the power cord.
• Make sure the air inlet and outlet are free from obstructions.
• Use a soft cloth to clean the appliance. Do not use waxes, thinners, or harsh detergents.
• Do not step on or place heavy objects on top of the appliance.
• Do not operate the appliance without the filter securely installed.
• Do not drink water drained from the appliance.
• Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a heater are used simultaneously.
• Being exposed to direct airflow for an extended period of time could be hazardous to your health.
• Remove the batteries if the remote control is not to be used for an extended period of time.
• Never mix different types of batteries, or old and new batteries for the remote control.
• Stop using the remote control if there is a fluid leak in the battery. If your clothes or skin are exposed to the leaking battery fluid, wash off with clean water.
• If the leaking battery fluid has been swallowed, rinse the inside of the mouth thoroughly and consult a doctor.
• Do not recharge or disassemble the batteries.

Maintenance

• Clean the filter every two weeks.
• Never touch the metal parts of the air conditioner when removing the air filter.
• Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water. Use a smooth cloth.

Refrigerant (For R32 Only)

WARNING

• Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
• The appliance shall be stored in a room without continuously operating open flames (for example an operating gas appliance) and ignition sources (for example an operating electric heater).
• Do not pierce or burn. Be aware that flammable refrigerants may not contain an odor.
• The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.
• The appliance shall be stored so as to prevent mechanical damage from occurring.

Technical Safety

• Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification.
• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants.

Disposal of your old appliance (as per e-waste Rules)

Don't

1. When this crossed out wheeled bin symbol is depicted on the product and its operator's manual, it means the product is covered by the e-waste Management and Handling Rules, 2011 and are meant to be recycled, dismantled, refurbished or disposed off.

Do

1. The product is required to be handed over only to the authorized recycle for disposal.
2. Keep the product in isolated area, after it becomes non-functional/un-repairable so as to prevent its accidental breakage.
3. The product should not be opened by the user himself/herself, but only by authorized service personnel.
4. The product is not meant for re-sale to any unauthorized agencies/scrap dealer/kabariwalah.
5. The product is not meant for mixing into household waste stream.
6. Do not keep any replaced spare part(s) from the product in exposed area.

Any disposal through unauthorized agencies/person will attract action under Environment (Protection) Act 1986.

Hazards of improper handling or accidental breakage

• If batteries are disposed incorrectly, it can greatly harm the environment. The chemical by-products are hazardous. The metals and chemicals found in batteries can mix into soil which may be hazardous to humans, plants and animals. If thrown in fire, they can cause blast and release toxic gases which may be harmful for health.
• The refrigerant (R32) used can be combustible at low pressure. The potential health effects of over exposure is dizziness, headache and heart irregularities.

This product is complied with the requirement of Hazardous Substances as specified under Rule 13 (1) & (2) of the E-Waste (Management & Handling) Rules, 2011.

To locate a nearest collection centre or call for pick-up (limited area only) for disposal of this appliance, please contact Toll Free No. 1800-315-9999/1800-180-9999 for details. All collection centre and pick up facilities are done by third parties with LG Electronics India Pvt. Ltd. merely as a facilitator.

For more detailed information, please visit: http://www.lge.com/in

Product Overview

Exterior Parts

1. Control Panel

2. Remote Control

3. Air Filter

4. Vertical Air Deflector (Horizontal Louver)

5. Horizontal Air Deflector (Vertical Louver)

6. Air Inlet

7. Front Grille

8. Cabinet

9. Air Outlet

Interior Parts

1. Evaporator

2. Air Guide

3. Control Box

4. Condenser

5. Compressor

6. Base Pan

7. Power Cord

Installation

Circuit Breaker Installation

Read thoroughly and follow all directions provided. A circuit breaker must be installed between the power source and the unit if the plug is not used.

NOTE: Use 15 A circuit breaker.

Installation Overview

Tools Needed: Phillips-head screwdriver, Flat-blade screwdriver, Pencil, Level, Tape measure, Cutting knife, Scissors.

How to Install the Unit

1. Measure the space for installation to assure a good fit. The air conditioner must be installed firmly into place to prevent vibration and noise.
2. Avoid exposure to direct sunlight.
3. Remove all obstacles from the rear of the unit. There must be at least 50 cm (20 in.) of cleared space around the rear of the unit. Obstacles restricting the airflow may reduce the cooling efficiency of the unit.
4. The unit should be installed with a slight tilt towards the outside to allow condensed water to drain. (About 10~15 mm or 1/4 bubble with Level)

CAUTION: The unit is heavy. To prevent injury, use proper lifting techniques when pulling unit forward from cabinet. Obtain assistance from another person if possible.

Drainage (Optional)

The base-pan may overflow due to high humidity. To drain the excess water, remove the drain cap from the base pan of the unit and secure the drain Pan.

1. Remove the rubber cap from the hole under the base-pan.
2. Install the drain pan over the corner of the cabinet with 2-4 screws.
3. Connect the drain hose to the outlet located on the bottom of the drain pan. (You can purchase the drain hose or tubing locally to satisfy your particular needs. Drain hose is not supplied)

Preparation of the Cabinet

1. Remove 5 screws which fasten the cabinet at both sides and at the back. (Keep the screws for later use.)

Installation of the Cabinet

1. Prepare the hole in the wall so that the bottom of the unit is well supported, the top has minimum clearance and the air inlet louvers have clearance as shown. Holes from the outside through to the cavity should be sealed. The unit should slope down towards the rear by about 10~15 mm to allow water formed during operation to drain.
2. Install the cabinet into the wall and secure. Ensure the foam seals are not damaged. Flash, seal or fill gaps around the inside and outside to provide satisfactory appearance and protection against the weather, insects and rodents.

NOTE: Unit may be supported by a solid frame from below or by a hanger from a solid overhead support.

Space for Outside Air Flow

OPTION A:

OPTION B:

Preferred method of installation into a timber framed wall, partition or window.

Alternatively, brackets as illustrated below may be used.

Installations of the unit into the Cabinet

1. Slide the air conditioner into the case. Reinstall the 2 screws removed earlier on each side of the case.
2. Stuff the foam around the unit to prevent air and insects from getting into the room.
3. Before installing the front grille, pull out the vent control lever located above the unit control knobs, as shown. (for some models)
4. Connect the wire harness from the front grille assembly to the air conditioner.
5. Attach the front grille assembly to the cabinet by inserting the grille tabs into the slots on the front of the cabinet. Push the grille in until it snaps into place.

NOTE: Carefully guide the vent control lever through the grille as you push the grille in.

6. Open the air inlet grille and secure the front grille assembly with 2 screws (L:10 mm).

Operation

Control Panel and Remote Control

NOTE: The feature may be changed according to the type of model.

1. Power: Press to turn the air conditioner ON or OFF.
2. Sleep Mode: This mode keeps operating noise to a minimum and turns the air conditioner off after a set time. The timer can be set from 1 to 7 hours. In the Cool, Energy Saver, Dry Mode, the setting temperature increases by 1 °C after 30 minutes and additional 1 °C after another 30 minutes for a more comfortable sleep. The setting temperature increases up to 2 °C from the preset temperature.
3. Delay ON/OFF Timer: Delay ON - When the air conditioner is off, set it to automatically turn on from 1 to 24 hours later, at its previous mode and fan settings. Delay OFF - When the air conditioner is on, set it to automatically turn off from 1 to 24 hours later. NOTE: Each press of the Timer button advances the timer by 1 hour. After the last press the display returns to the temperature setting.
4. Operation Mode: Press the Mode button to cycle between 4 types of air conditioner operation: Energy Saver / Cool / Fan / Dry.
   • Energy Saver: In this mode the compressor and fan turn off when the set temperature is achieved. Approximately every 3 minutes the fan turns on to allow the unit sensor to accurately determine if more cooling is needed.
   • Cool: This mode is ideal on hot days to cool and dehumidify the room quickly. Use the Temp ∧ ∨ buttons to set the desired room temperature and use the Fan Speed button to set the desired fan circulation speed.
   • Fan: In this mode the fan circulates air but the compressor does not run. Use the Fan Speed button to set fan speed to High, Medium or Low. In this mode, you cannot adjust the set temperature.
   • Dry: This mode is ideal for rainy and damp days to dehumidify the room rather than cooling it significantly. Humidity is removed from the room by the combination of compressor operation and the fan speed fixed at Low. The compressor and fan turn off once the set temperature is reached. Fan speed cannot be adjusted in Dry mode.
5. Clean Filter: The Clean Filter LED lights up to notify you that the filter needs to be cleaned. After cleaning the filter, press Temp ∧ and V together on the control panel to turn off the Clean Filter light. NOTE: The filter reset must be done using the control panel, not the remote control. This feature is a reminder to clean the air filter for more efficient operation. The LED light turns on after 250 hours of operation.
6. Fan Speed: Press to set the fan speed to Low (F1), Medium (F2), or High (F3).
7. Temperature Control: The thermostat monitors room temperature to maintain the desired temperature. The thermostat can be set between 16 °C-30 °C (60 °F-86 °F). Press ∧ or ∨ arrows to increase or decrease temperature setting.
8. Energy Saver: In this mode the compressor and fan turn off when the set temperature is achieved. Approximately every 3 minutes the fan turns on to allow the unit sensor to accurately determine if more cooling is needed. NOTE: This function is available with Cooling Mode.
9. Clear: Cancel Sleep and Timer settings. Also set the Diagnosis if held for 5 seconds. NOTE:
   • Auto Restart: If the air conditioner turns off due to a power outage, it will restart automatically once the power is restored, with the same settings as were set before the unit turned off.
   • Energy Saver: The unit defaults to the Energy Saver mode each time the unit is switched on except in Fan mode or when power is restored after an electrical power outage.
   • The remote control will not function properly if the AC infrared sensor is exposed to direct light or if there are obstacles between the remote controller and the air conditioner.
   • Default temperature will be minimum 24 °C (in cooling cycle), when operated with remote control except power failure/power switched off.

Using the Light Off Function

You can set the brightness of the control panel.

• Press Mode button on the remote control for 3 seconds, or
• Press Mode and Sleep button together on the control panel.

NOTE: Turn on/off the control panel.

Using the Auto Clean Function

In the Cooling and Dry Mode, Moisture is generated inside the indoor unit. This function removes such moisture.

• Press Energy Saver button on the remote control for 3 seconds.
• The [auto-clean-symbol] is displayed on the remote control.

NOTE: If you turn off the unit, the fan continues to run for 10 minutes and cleans the inside of the indoor unit.

Wireless Remote Control

Inserting Batteries

If the display screen of the remote control begins to fade, replace the batteries. Insert AAA (1.5 V) batteries before using the remote control.

1. Remove the cover on the back of the remote control.
2. Insert the new batteries and make sure that the + and - terminals of the batteries are installed correctly.

NOTE:

• New batteries are supplied with the air conditioner for use in the remote control.
• Do not use a rechargeable battery. Make sure that the battery is new.
• In order to prevent discharge, remove the battery from the remote control if the air conditioner is not going to be used for an extended period of time.
• Keep the remote control away from extremely hot or humid places.
• To maintain optimal operation of the remote control, the remote sensor should not be exposed to direct sunlight.

Ventilation

Push the ventilation lever in to the closed position to maintain the best cooling performance. Pull the ventilation lever out to open the vent and draw fresh air into the room.

Adjusting Vertical Airflow Direction

Touch the horizontal louvers to adjust the airflow up or down.

Air Direction

Airflow can be adjusted by changing the direction of the air conditioner's louvers.

Adjusting Horizontal Airflow Direction

The horizontal airflow is adjusted by moving the levers of the vertical louvers to the left or right.

Slinger Fan

This air conditioner is equipped with a slinger fan. The fan's outer ring picks up the condensed water from the base pan if the water level gets high enough. The water is then picked up by the fan and expelled through the condenser, making the air conditioner more efficient.

Smart Functions

Smart Diagnosis™

This feature is only available on models with the [LG-logo] or [LG-logo] logo. Use this feature to help you diagnose and solve problems with your appliance.

NOTE:

• For reasons not attributable to LGE's negligence, the service may not operate due to external factors such as, but not limited to, Wi-Fi unavailability, Wi-Fi disconnection, local app store policy, or app unavailability.
• The feature may be subject to change without prior notice and may have a different form depending on where you are located.

Using Audible Diagnosis to Diagnose Issues

Follow the instructions below to use the audible diagnosis method.

• Launch the LG ThinQ application and select the Smart Diagnosis™ feature in the menu. Follow the instructions for audible diagnosis provided in the LG ThinQ application.

1. Plug the power plug in the outlet properly.
2. Place the mouthpiece of your smartphone close to the [LG-logo] or [LG-logo].
3. Press and hold the DIAGNOSIS [5 s] button for 5 seconds or longer while holding the smartphone mouthpiece to the logo until the data transfer is complete.
4. Keep the smartphone in place until the data transfer has finished. Time remaining for data transfer is displayed.
5. After the data transfer is complete, the diagnosis will be displayed in the application.

NOTE:

• For best results, do not move the phone while the tones are being transmitted.
• Be sure to keep ambient noise to a minimum or the phone may not correctly receive the buzzer beeps from the indoor unit.

Maintenance

Air Filter

Check the air filter at least twice a month to see if cleaning is necessary. Trapped particles in the filter can build up and block the airflow, reducing cooling capacity and causing an accumulation of frost on the evaporator.

Cleaning the Air Filter

1. Remove the air filter from the front grille by pulling the filter forward and then up slightly.
2. Wash the filter using lukewarm water below 40 °C (104 °F).
3. Gently shake the excess water from the filter.
4. Dry the filter in the shade.
5. Insert the filter into the Front grille.

Cleaning the Air Conditioner

• Wipe the front grille and inlet grille with a cloth dampened in a mild detergent solution.
• Wash the cabinet with mild soap or detergent and lukewarm water, then polish using liquid appliance wax.

NOTE:

• To ensure continued peak efficiency, the condenser coils (outside of unit) should be checked periodically and cleaned if clogged with soot or dirt from outside air.
• For repair and maintenance, contact a LG Electronics Customer Service Hotline. Have your model number and serial number available.

Troubleshooting

Before Calling for Service

The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at an early stage. If the appliance does not function properly or does not function at all, check the following before you call for service.

Normal Sounds You May Hear

1. High Pitched Chatter: Today's high efficiency compressors may have a high pitched chatter during the cooling cycle.
2. Sound of Rushing Air: At the front of the unit, you may hear the sound of rushing air being moved by the fan.
3. Gurgle/Hiss: Gurgling or hissing noise may be heard due to refrigerant passing through evaporator during normal operation.
4. Vibration: Unit may vibrate and make noise because of poor wall or window construction or incorrect installation.
5. Pinging or Swishing: Droplets of water hitting condenser during normal operation may cause pinging or swishing sounds.

Troubleshooting Table

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