LG LW1516ER, LW1816ER, LW2516ER, LW1521ERSM, LW1821ERSM Owner's Manual

OWNER’S MANUAL

AIR CONDITIONER

Read this owner’s manual thoroughly before operating the appliance and keep it handy for reference at all times.

TYPE : WINDOW

EN ENGLISH

LW1516ER LW1521ERSM

LW1816ER LW1821ERSM

LW2516ER LW2521ERSM

*MFL70960606*			www.lg.com
MFL70960606	Copyright © 2017 - 2020 LG Electronics Inc. All Rights Reserved.
Rev.05_100520

2 TABLE OF CONTENTS

TABLE OF CONTENTS

	3	SAFETY INSTRUCTIONS		19	SMART FUNCTIONS
	3	IMPORTANT SAFETY INSTRUCTIONS	19		LG ThinQ Application
	8	PRODUCT OVERVIEW		22	MAINTENANCE
	8	Exterior Parts	22		Air Filter
	8	Interior Parts
	9	INSTALLATION		23	TROUBLESHOOTING
			23		Before Calling for Service
	9	Electrical Data
			23		Normal Sounds You May Hear
	10	Parts Included
	11 How to Install the Unit		27		WARRANTY
	11	Window Requirements

11Storm Window Requirements

12Preparation of Cabinet

13Cabinet Installation

14Unit Installation

16 OPERATION

16Control Panel and Remote Control

17Wireless Remote Control

18Ventilation

18 Air Direction

18 Additional Features

SAFETY INSTRUCTIONS 3 EN

SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USE

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.

This is the safety alert symbol.

This symbol alerts you to potential hazards that can kill or injure you and others.

All safety messages will follow the safety alert symbol and either the word WARNING or CAUTION.

These words mean:

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 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

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.

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

4 SAFETY INSTRUCTIONS

●●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.

●●If the cord/plug is damaged, have it replaced by an authorized service person using authorized replacement parts.

●●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.

SAFETY INSTRUCTIONS 5 EN

●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 an 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.

●The interior of the product must only be cleaned by an authorized service center or a dealer.

●Do not use solvent-based detergent on the product. Doing so can cause corrosion or damage,

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

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. However, if you wish to use an adapter, a TEMPORARY CONNECTION may be made. Use UL-listed adapter, available from most local hardware stores.

The large slot in the adapter must be aligned with the large slot in the receptacle to assure a proper polarity connection.

●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

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.

6 SAFETY INSTRUCTIONS

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.

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 drink water drained from the appliance.

are used simultaneously.

Do not expose people, animals, or plants to the cold or hot wind from the air conditioner for extended periods of time.

●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.

f with clean water. consult a doctor.

●Do not recharge or disassemble the batteries.

MAINTENANCE

●Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water. Use a smooth cloth.

SAFETY INSTRUCTIONS 7 EN

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 ignition sources (for

CAUTION

associated with older units. Please follow all precautions and advisories.

-Use caution while handling and prevent damage to unit. Do not put any holes into product for any reason. This can cause damage to product and prevent unit from cooling.

-Maintenance and cleaning of unit should be performed by trained personnel. Failure to properly clean unit can result in damage to the refrigeration system and or the electrical system.

-Make certain that all the air circulation/ventilation openings are free from obstruction.

-

warranties.

-

water heaters or furnaces. Also keep away from electric heaters. Damaged units should be repaired before storage.

SAVE THESE INSTRUCTIONS

8 PRODUCT OVERVIEW

PRODUCT OVERVIEW

Exterior Parts			Interior Parts
	7			3
		1
		4	2
		5	1
8
6	3	2
1	Control Panel		1	Evaporator
2	Remote Control		2	Air Guide
3	Air Filter		3	Brace
4			4	Compressor
5			5	Condenser
6	Front Grille		6	Base Pan
7	Air Outlet		7	Power Cord
8	Cabinet

4

5

6

7

INSTALLATION 9 EN

INSTALLATION

Electrical Data

Power cord may include a current interrupter device. TEST and RESET buttons are provided on the plug case. The device should be tested on

a periodic basis by first pressing the TEST button and then the RESET button. If the TEST button

does not trip or if the RESET button will not stay engaged, discontinue use of the air conditioner and contact a qualified service technician.

for 120 V

RESET

TEST

	Model	Use Wall Receptacle			Power Supply
					Use 15 A, time
	LW1516ER	Standard 120 V, 3-wire			delay fuse or
					15 A, circuit
	LW1521ERSM
		grounding receptacle			breaker.
		rated 15 A / 120 VAC /
		60 Hz

for 240 V

RESET

TEST

	Model	Use Wall Receptacle					Power Supply
							Use 15 A, time
	LW1816ER	Standard 240 V, 3-wire					delay fuse or
							15 A, circuit
	LW1821ERSM
		grounding receptacle					breaker.
		rated 15 A / 240 VAC /
		60 Hz

RESET

TEST

	Model	Use Wall Receptacle					Power Supply
							Use 20 A, time
	LW2516ER	Standard 240 V, 3-wire					delay fuse or
							20 A, circuit
	LW2521ERSM
		grounding receptacle					breaker.
		rated 20 A / 240 VAC /
		60 Hz

WARNING

●This appliance should be installed in accordance with the National Electrical Code.

●Use of extension cords could cause serious injury or death.

-Do not use an extension cord with this window air conditioner.

-Do not use surge protectors or multi-outlet adapters with this window air conditioner.

●Never push the TEST button during operation. Doing so can damage the plug.

-Do not remove, modify, or immerse this plug. If this device trips, the cause should be corrected before further use.

CAUTION

●The conductors inside this cord are surrounded by shields, which monitor leakage current. These shields are not grounded. Periodically examine the cord for any damage. Do not use this product in the event the shields become exposed. Avoid shock hazard. This unit cannot be user-serviced. Do not open the tamperresistant sealed portion. All warranties and performance will be voided. This unit is not intended to be used as an ON/OFF switch.

10 INSTALLATION

Parts Included (Appearance May Vary)

Foam-PE (2) (Adhesive backed)

Foam strip (Non-adhesive)

Heatproof foam (2)

(Adhesive backed)

Right curtain panel

Left curtain	Support
panel
	bracket (2)

Type 'A' Screws	Type 'B' Screws	Type 'C' Screws
(12)	(7)	(5)
Carriage Bolts	Lock Nuts
(2)	(4)

Lower panel guide (2)

Window locking bracket

Sill bracket (2)

Type 'D' Screws

(2)

Tools Needed

	Phillips-head	Flat-blade screwdriver	Adjustable wrench	Level
	screwdriver

Tape measure	Scissors or	Pencil	Gloves
	Cutting Knife