LG LT123HNR Owner's manual

Brand: LG

Model: LT123HNR

Type: Owner's manual

This manual is also suitable for

ROOMAIR CONDITIONER

website http://www.lgapplian _

OWNER'S MANUAL

Please read the operating instructions and safety precautions carefully

and thoroughly before installing and operating your room air conditioner.

DEVENTANA

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 sir conditioner.

• When the power cord is to be replaced, replacement

work shaft be performed by authorized personnel only

using only genuine replacement parts.

, Instaflation work must be performed in accordance

with the National Electric Code by qualified and

authorized personnel only.

2 Room Air Conditioner

SafetyPrecautions

To prevent injury to the user or other people and property damage, the following instructions

must be followed.

m 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 symbolindicatesthe possibilityof injury or damageto propertiesonly.

mMeanings of symbols used inthis manual are as shown below.

(_ Be sure not to do,

O Be sure to follow the instruction,

WARNING>

[] installation

• Otherwise, it may cause a

fire or electrical shock.

• Otherwise, it may cause a

fire or electrical shock.

• itwill cause electric shock or

fire due to heat generation.

It may cause failure and

electric shock.

, Sharp edges may cause

injury. _._._

, It may cause explosion or

fire.

Owner's Manual 3

Safety Precautions

[] Operation

• There is danger of fire or

electricshock.

• It will cause electric shock or

fire due to heat generation.

• Otherwise, it may cause a

fire or electrical shock.

• It may causefire and electric

shock.

• It will cause failure of machine

or electric shock.

,,The appearance ofthe air

conditioner may deteriorate,

change color,or develop

surface flaws.

• Otherwise it may cause fire

andelectric shock accident.

• An oxygen shortage may

OCCUr,

, Otherwise, it may electrical

shock and failure.

• Since the fan rotates at high

speed during operation, it may

cause injury__

• Preventaccidental startup and

the possibility of injury.

4 Room Air Conditioner

• It will cause electric shock or

fire due to heat generation.

* Itwill cause electric shock or

fire.

Safety Precautions

• It will cause electric shock.

It may cause electricshock

anddamage.

• Otherwise, it may cause

explosion, and a fire.

[] installation

._S _ .........

C, CAUTION

• Otherwise, it may cause dispute with the

neighbors.

• They are sharp and may

cause injury.

, Otherwise, it may cause vibration or water

leakage.

Owner's Manual 5

SafetyPrecautions

m Operation

• It may cause injury. oIt may cause product failure. The appearance of the air

conditioner may deteriorate,

change color, or develop

surface flaws.

o It may cause an injury

through dropping of the unit

or falling down.

It may cause injury.

oOperation without filters will

cause failure.

=Otherwise, it may do harm

to your health.

• The chemicals in batteries could cause burns or

other health hazards.

• It contains containments and

will make you sick.

®Otherwise, it may cause

personal injury.

• The chemicals in batteries could cause burns or

other health hazards.

6 Room Air Conditioner

PriortoOperation

1. Contact an installation specialist for installation.

2. Plug in the power plug properly.

3. Use a dedicated 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.

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.

Owner's Manual 7

Introduction

This symbol alerts you to the risk of electric shock,

This symbol alerts you to hazards that could cause harm to

the air conditioner,

This symbol indicates special notes.

_WARNING

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

THE SLEEVE ANDTHE REAR GRILLE

(optionally supplied with your unit)

SLEEVE ASSEMBLY

(Including Aluminum Rear grille)

REAR GRILLE

(Aluminum Rear grille)

THE UNiT

VERTICAL AIR DEFLECTOR

AIR FILTER

INLET GRILLE --

(Air Intake)

HORIZONTAL AIR DEFLECTOR

(Vertical Louver)

VENT CONTROL

AIR DISCHARGE

CABINET

FRONT GRILLE

8 Room Air Conditioner

ElectricalSafety

115V- 230V~

Power cord may include a current

interrupter device. A test and reset button is

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.

The shape may be different accordin( to its model.

Use Wall Receptacle Power Supply

Standard t25V, 3-wire grounding

receptaclerated15A,125VAC Use 15 AMP.time

delay fuse or 15 AMP.

circuit breaker.

Standard 250V, 3-wire grounding

receptacle rated t 5A, 250V AC

Use 20 AMP. time

delay fuse or 20 AMP.

circuit breaker.

Standard 250V, 3-wire grounding

receptacle rated 2OA, 250V AC

DO NOT USE AN EXTENSION CORD on 230,

208, and 230/208 Volt units.

All wiring should be made in accordance with local

electrical codes and regulations.

Aluminum house wiring may pose special

problems. Consult a qualified electrician.

,&WARNING

Never push the test button during

operation

Otherwise this plug can damaged.

This device contains chemical, including

lead, known to the State of California to

cause cancer, and birth defectsor other

reproductive harm.

Wash hands after handhg.

Do not remove, modifyor immersethis plug.

Ifthis devicetrips, the cause it to be

corrected beforefurther use.

,& CAUTION

The conductors inside this cord are

surrounded by shields, which monitor

leakage current.

These shields are not grounded.

Periodicallyexamine the cord for any

damage. Donot use this product in the

eventthe shields become exposed.

Avoid shock hazard,this unit can not

be user serviced opening the tamper

resistant.Sealed portion of the unit

voids all warranties and performance

claims. This unit not intended for use

asan on-off switch.

Owner's Manual 9

ElectricalSafety

IMPORTANT

(PLEASE READ CAREFULLY)

FORTHE USER'S PERSONAL SAFETY,THiS

APPLIANCE MUST BE PROPERLY GROUNDED

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.

A. 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 ULqisted 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.

CAUTION

: 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.

B. 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.

USE OF EXTENSION CORDS

Because of potential safety hazards, we strongly

discourage the use of an extension cord. However, if

you wish to use an extension cord, use a CSA

certified/UL-listed 3-wire (grounding) extension cord,

rated at 20A, 250V.

10 Room Air Conditioner

Installation

Remove packing sheet from the back of the sleeve, and

packing corner and blue tape from the air conditioner.

iNSTALLATiON REQUIREMENTS

If you use an existing wall sleeve, you should

measure its dimensions.

Install the new air conditioner according to these

installation instructions to achieve the best

performance. All waft sleeves used to mount the

new air conditioner must be in good structural

condition and have a rear grifle to securely attach

the new air conditioner. (FIG. 1)

With the LGE sleeve(optionally supplied with your

unit), you can maintain the best performance of the

new air conditioner. (FIG. 2)

3mm)

Air Conditioner 18"(458 rnm) FiG. 1

_ 25_7/8.

(656 ram)

Expanded

aluminum metal c

LGE Wall Sleeve

(425mm)

FIG. 2

ELECTRICAL SERVICE

Check your available electrical service. The power

supply available must be the same as that shown

on the unit nameplate (found on left side of

cabinet).

All models are equipped with a 3-prong service

plug to provide proper service and safe positive

grounding. Do not change plug in any way. Do not

use an adapter pDg. if your present wall outlet does

not match your plug, call a qualified electrician to

make the necessary corrections. SAVE CARTON

for storage and this OWNER'S MANUAL for future

reference. The carton is the best way to store unit

during winter or when not in use.

iNSTALLATiON HARDWARE

2 Size options

ITEM I NAME OF PARTS Q'TY

_ PLASTIC GRILLE 1

_._ } HORIZONTAL INSULATION STRIPS 2

(_ SUPPORT BLOCK 2

_ } BAFFLE 1

....._ ..............TR!M FRAM .......................................2...........

(7_ SHIM 2

_ PLASTIC NUTS AND WASHER SCREWS 4

_k CAUTION

Toavoid risk ofpersonalinjury,propertydamage,or product

damage dueto the weightof this deviceand sharpedges

that maybe exposed:

• Air conditionerscoveredin this manual posean excessive

weight hazard.Twoor more peopleare neededto move

and installthe unit.

Topreventinjuryor strain, use proper liftingandcarrying

techniqueswhen movingunit.

• Carefully inspectDcation whereair conditionerwill be

installed. Besure it will supportthe weightof the unit over

an extended period oftime.

• Handleair conditioner with care.Wearprotectivegloves

wheneverliftingor carryingthe unit.AVOID the sharp

metal fins offront andrear coils.

• Make sureair conditionerdoes notfall during instaflation.

REQUIRED TOOLS:

- Tight Fitting gloves ,, 3/8-inch open end

,, Standard screwdriver wrench or adjustable

wrench

,, Phillips screwdriver

- 1/4-inch hex socket

Pliers and ratchet

• Sharp knife - Tape measure

• Electric drill

- t/4-inch drill bit

Owner's Manual 11

Installation

iNSTALLATiON

_, CAUTION

We strongly recommend the removal of the

old waft sleeve and the installation of a new

LGE Wall Sleeve,

If you decide to keep the existing wall sleeve,

you have to redirect the louvers at the back of

the wall sleeve illustration. The use of pliers is

recommended. If you DO NOT redirect, you run

the risk of poor performance or product failure.

This is not covered under the terms of the LGE

warranty.

• Pick a location which will allow the conditioned air

to blow into the area you want. Good installation

with special attention to the proper position of the

unit will lessen the chance that service will be

needed.

ITEMS |N INSTALLATION HARDWARE

You may not need all parts in the kit. Discard

unused parts

iTEM (inches)

Plastic grille

Horizontal Insulation Strips

Around Insulation Strips

Support Block

Baffle

Shim

Trim Frame

Washer Screw

Nuts(Plastic)

Gdlle Rear

268/4 X 161/2

13/8 X 5/8 X 273/16

13/8 X 13/8 X 273/16

13/8 X 3/4,X 611/2

13/8 X 13/8 X 611/2

13/4 X 13/8 X 45/16

14 X 41/2 X 1/8

13xl X3/4

Qty.

HOW TO iNSTALL

D Identify the existing wall sleeve before

installing the unit from the listed below.

Wall Sleeve Dimensions (inches',

Brand

Width Height Depth

White-Westinghouse

Frigidaire 25-1/2 15-1/4 16, 17-1/2

or 22

Carrier (52F series)

General Electric

/Hotpoint 26 15-5/8 16-7/8

Whirlpool 25-7/8 16-1/2 17-1/8

or 23

Fedders/Emerson 27 16-3/4 16-3/4

or 19-3/4

LGE 25-7/8 15-17/32 t6-23/32

Emerson/Fedders 26-3/4 15-3/4 15

Carrier (51S Series) 25-3/4 16-7/8 18-5/8

Friedrich 27 16-3/4 16-3/4

All wall sleeves used to mount the new Air

Conditioner must be in sound structural condition

and have a rear grille that securely attaches to

sleeve, or rear flange that serves as a stop for the

Air Conditioner,

Remove old air conditioner from existing wall

sleeve.

Clean the interior of an existing sleeve.

(Do not disturb seals.)

D all sleeve must be securely fastened in wall

before installing the air conditioner. Use the

nails or screws through sleeve into wall, if

needed. Repaint sleeve if needed.

D repare the wall sleeve for installation of the

unit. If you plan to use your existing wall

sleeve, and it is not LGE, use procedure B or

C below.

Procedure Brand Depth(inches)

A LG E 16-23/32

White-Westinghouse 16, 17-1/2

Frigidaire Carder

or 22

(52F series)

B General Electric

16-7/8

/Hotpoint

Whirlpool 17-1/8 or 23

Carder (51S series) 18-5/8

16-3/4

Fedders/Emerson

or 19-3/4

Emerson/Fedders 15

Friedrich 16-3/4

Q Install new unit into wall sleeve.

_, CAUTION

When installation is completed, replacement unit

MUST have a rearward slope as shown. To achieve

1/4" slope, remove the backing from the 11-13/16"

shim strips and attach them as shown below in Fig.

3. Place the higher portion of shim to the front of

the rib on base of wall sleeve.

UNIT WallSleeve

SHIM PLACEMENT UNIT INSTALLATION

FIG. 3

12 Room Air Conditioner

Installation

PROCEDURE A

D f you are using the new sleeve (optionally

supplied with your unit),skip to step 3.

Otherwise, install the plastic grille from the kit.

Cut the plastic grille to 25-1/2" wide and 15-

1/4" high. Place the plastic grille to the inside

of the wall sleeve at the rear flange.

li Install the new unit into the wall sleeve.

]To assemble trim, snap the tab of each piece

into the slot of the other piece as shown below.

Slide trim over the front of the air conditioner

until trim is flush with sleeve as shown below.

FIG. 4

] Fasten the 4 washer screws to secure the

grille to the wall sleeve. If you need plastic nuts

to mount plastic grille to the inside of the wall

sleeve, there are plastic nuts in the installation

kit. The nuts are installed from the inside of the

sleeve and are pressed into the square holes

of the rear flanges.

-- FIG. 5

Remove the backing from the Horizontal

Insulation strip 13/8x 3/8x 273/16 and attach that

to the inside bottom of the sleeve as shown

below. Remove the backing from the Around

Insulation strip 13_8x 3/4x 611/2 and attach that

to the inside front of the sleeve as shown

below.

FIG. 6

Trim (2 ea)

Wall

FIG. 7

,A CAUTION

•Air conditioners covered in this manual pose

an excessive weight hazard. Two or more

people are needed to move and install the

unit.

To prevent injury or strain, use proper lifting

and carrying techniques when moving unit.

•When handling the air conditioner, be careful

to avoid cuts from sharp metal fins on front

and rear coils.

• Make sure air conditioner does not fall during

removal.

Owner's Manual 13

Installation

PROCEDURE B

D edirect the louvers at the back of the wall

sleeve to 60° angle as shown in the FIG 8. The

use of pliers is recommended.

7 5/46"

(Top View)

FIG.8

_]_ emove the backing from the Horizontal

Insulation strip 13/8 X 5/8X 273/16 and attach that

to the inside bottom of the sleeve as shown

below. Remove the backing from the Around

Insulation strip 13/8 x 3/4x 611/2 and attach that

to the inside front of the sleeve as shown

below.

If the wall sleeve already has a rear grille, skip

to step 4. If the wall sleeve does not have a

rear grille or Iouvered panel, install the plastic

grille from the kit. Cut the plastic grille to 25-

1/2" wide and 15=1/4" high. Place the plastic

grille to the inside of the wall sleeve at the rear

flange.

Place the plastic grille

FIG. 9

FIG. 11

lf the depth of your existing wall sleeve is less

than or equal to 18", skip to step 6. Otherwise,

cut the baffles and the support blocks

according to length "A" in the table below.

Depth"D" of the existing Length "A"

wall sleeve (inches) (inches)

I8 <D_<18-% 314

18-% <D_<19-_/4 1=3/4

19-3/4<D_<22 4

A/i

_ Support

Block

_-- Baffle

FIG. 12

Fasten the 4 washer screws to secure the

grille to the wall sleeve. If you need plastic nuts

to mount plastic grille to the inside of the wall

sleeve, there are plastic nuts in the installation

kit. The nuts are installed from the inside of the

sleeve and are pressed into the square holes

of the rear flanges.

Fasten the screws

14 Room Air Conditioner

Installation

PROCEDURE B

] Remove the backing from the support blocks

and attach them to the inside of the wall sleeve

as shown FIG 13. Slide the baffle into slots of

the support blocks.

!ii!iiii:_:_........ (7_,,0,,)

ii,_i_iiiiii!i$iiii;:iiiiiilDi

_ Support

!iiiiiiii!ii%iiii_iii]iii!i!i!:!iiiiiiii':'_' Block

FIG. 13

,& CAUTION

• Air conditioners covered in this manual pose

an excessive weight hazard. Two or more

people are needed to move and install the

unit.

To prevent injury or strain, use proper lifting

and carrying techniques when moving unit.

• When handling the air conditioner, be careful

to avoid cuts from sharp metal fins on front

and rear coils.

• Make sure air conditioner does not fall during

removal.

U Install the new unit into the wall sleeve.

]To assemble trim, snap the tab of each piece

into the slot of the other piece as shown below.

Slide trim over the front of the air conditioner

until trim is flush with sleeve as shown below.

Trim (2 ea)

Wall

FIG. 14

Owner's Manual 15

Installation

PROCEDURE C

D edirect the louvers at the back of the wall

sleeve to 60° angle as shown in the FIG 15.

The use of pliers is recommended.

7 13/1C

60_ ................... I__ 60°

RearLouvers

(Top V ew)

FIG. 15

D f the wall sleeve already has a rear grille, skip

to step 4. If the wall sleeve does not have a

rear grille or Iouvered panel, install the plastic

grille from the kit. Cut the plastic grille to 26-

1/2" wide and 15-1/2" high. Place the plastic

grille to the inside of the wall sleeve at the rear

flange.

Place the plastic grille FIG. 16

Fasten the 4 washer screws to secure the

grille to the wall sleeve. If you need plastic nuts

to mount plastic grille to the inside of the wall

sleeve, there are plastic nuts in the installation

kit. The nuts are installed from the inside of the

sleeve and are pressed into the square holes

of the rear flanges.

Fasten the screws FIG. 17

D emove the backing from the Horizontal

Insulation strip 13/8 x 13/8 x 273/16 and attach

that to the inside bottom of the sleeve as

shown below. Remove the backing from the

Around Insulation strip 13/8 x 13/8 x 611/2 and

attach that to the inside front of the sleeve as

shown below.

FIG. 18

_lf the of sleeve is less than

depth your existing

or equal to 18", skip to step 7. Otherwise, cut

the baffles and the support blocks according to

Length "A" in the table below.

Depth"D" of the existing Length "A" ,_

- Support

wall sleeve (inches) (inches) _-/_ Block

18 <D_<18-5/8 3/4

18-% <D_<19-3/4 1 =3/4 T_I - Baffle

19-3/4<D_<22 4 _ FIG. 19

Q emove the backing from the support blocks

and attach them to the inside of the wall sleeve

as shown FIG 20. Slide the baffle into slots of

the support blocks

Support

Block

FiG. 20

16 Room Air Conditioner

Installation

PROCEDURE C

Remove the backing from the 13" shim strips

and attach them as shown below in Fig. 22.

The higher portion of shim is to be placed in

front of the rib on the base of wall sleeve.

1" high__ I-

II 3/4" High

FIG. 21

161

Install the new unit into the wall sleeve

FIG. 22

D o assemble trim, snap the tab of each piece

into the slot of the other piece as shown below.

Slide trim over the front of the air conditioner

until trim is flush with sleeve as shown below.

Trim (2 ea)

Wall

FIG. 23

A CAUTION

• Air conditioners covered in this manual pose

an excessive weight hazard. Two or more

people are needed to move and install the

unit.

To prevent injury or strain, use proper lifting

and carrying techniques when moving unit.

• When handling the air conditioner, be careful

to avoid cuts from sharp metal fins on front

and rear coils.

• Make sure air conditioner does not fall during

removal.

Owner's Manual 17

OperatingInstructions

The controls will look like one of the foflowing.

-FAN SPEED

• Everytime you push this button,it advancesthe setting as follows: {High[F2] _ Low[F1]_ High[F2]}

(-TIMER

- SHUT-OFF TIME

• You will usually use shut-offtime whileyou sleep.

• If unit is running, use Timer to set number of hours until shut-off.

• Foryour sleeping comfort, once Time isset, the Temperature

setting will raise 2°F after 30 min., and once again after another

30 rain.

• Push Timer button to advance setting from 1Hour * 2Hours _...

• 12Hours maximum.

- START TIME

• If unit is off, use Timer to set number ofhours before unit starts.

• Push Timer button to advance setting from 1Hour * 2Hours _...

12Hours maximum.

MODE

REMOTECONTROLSIGNAL

RECEIVER

TEMPERATURE SETTING

• Use this button to automatically control the

temperature of the room.

The temperature can be set within a range of

60°F to 86°Fby increments of I°F.

• The setting appears in the display.

POWER

• Toturn the air conditioner ON, pushthis button.

To turn the air conditioner OFF, push the button

again.

• This button takes priority over any other button.

- Push this button to shift mode of operation from COOL _ENERGY SAVER * FAN * HEAT

- COOL:

• Fan runs continually for normal cooling operation.

- ENERGY SAVER:

•The fan stops when the compressor stops cooling. Approximately every 3 minutes the fan will turn onand the unit will

check the room air temperature to determine ifcooling is needed.

- FAN:

• Fan-only operation.

- HEAT:

• Fan runs continually for normal heating operation.

_d after an electrical power failure, the unit will begin to run at its last setting. J

18 Room Air Conditioner

Operating Instructions

The remote control and control panel will leek like one of the following pictures.

POWER

• To turn the air conditioner ON, push this button.

To turn the air conditioner OFF, push the button again.

• This button takes priority over any other button.

TEMPERATURE SETTING

• Use this button to automatically control the temperature of the room.

The temperature can be set within a range of 60"F to 86°F by

increments of I°F.

• The setting appears in the display.

FAN SPEED

• Every time you push this button it advances the setting as follows:

{High[ F2] _Low[ F1 ] _High[ F2]}

TIMER

- SHUT-OFF TIME

• You will usually use shut-off time while you sleep.

• If unit is running, use Timer to set number of hours until shut-off.

• For your sleeping comfort, once Time is set, the Temperature setting will

raise 2°F after 30 rain, and once again after another 30 rain.

• Push Timer button to advance setting from 1Hour * 2Hours * ... *

12Hours maximum.

- START TIME

• If unit is off, use Timer to set of hours before unit starts.

• Push Timer button to advance setting from 1Hour * 2Hours * ... *

12Hours maximum.

Fan Speed

MODE

- Push this button to shift mode of operation from COOL _ENERGY SAVER _FAN * Heat.

- COOL:

• Fan runs continually for normal cooling operation.

- ENERGY SAVER:

• The fan stops when the compressor stops cooling. Approximately every 3 minutes the fan will turn on

and the unit will check the room air temperature to determine if cooling is needed.

- FAN:

• Fan-only operation.

- HEAT:

• Fan runs continually for normal heating operation.

,& CAUTION

When the air conditioner has been performed its

cooling or heating operation and is turned off or

set to the fan position, wait at least 3 minutes

before resetting to the cooling operation again.

A slight heat odor may come from the unit

when first switching to HEAT after the

cooling season is over. This odor, caused

by fine dust particles on the heater, will

disappear quickly. This is harmless.

Owner's Manual 19

OperatingInstructions

1. Remove the cover from the back of the remote

controller.

2. Insert two batteries.

• Be sure that the (+) and (-) directions are

correct.

• Be sure that both batteries are new.

3. Re-attach the cover.

Push the lever to the "CLOSE" position to cool, heat or

recirculate room air only.

Pullthe leverto the "OPEN" positionto exhaust smokeor

stale air from the room.

This feature is best used in conjunction with the FANONLY

position.

Do not use rechargeable batteries.

Such batteries differ from standard

dry cells in shape, dimensions, and

performance.

• Remove the batteries from the

remote controller if the air

conditioner is not going to be used

for an extended length of time.

PULL OPEN / PUSH CLOSE

The direction of air can be controlled by adjusting the horizontal

andvertical louvers.

• HORIZONTAL AIR-DIRECTION CONTROL

The horizontal air direction is adjusted bymoving the vertical

louver.

The leverfor the vertical louver is located in the right andleft side

of the air discharge.

,'VERTICAL AIR-DIRECTION CONTROL

The vertical air direction is adjusted bymoving the horizontal

louver.

_MM

20 Room Air Conditioner

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LG LT123HNR Owner's manual

Brand: LG

Model: LT123HNR

Type: Owner's manual

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español: LG LT123HNR El manual del propietario

LG LT123HNR Owner's manual

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