LG TBNC186TSA1 Owner’s Manual

OWNER’S MANUAL

ENGLISH

AIR CONDITIONER

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

YPE: Ceiling Concealed DuctT

P/NO : MFL65000501

www.lg.com

Ceiling Duct Type Air Conditioner Owner's Manual

TABLE OF CONTENTS

Safety Precautions.........................3

Operating Instructions...................8

Care and Maintenance .................19

Before you call for service ..........21

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 youagreat 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.

• T he air condi tioner i s not intended for us e by

young children or invalids without supervision.

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

• Whe n th e power cord is to be replaced ,
replacemen t work sha
authorized personnel only using only genuine
replacement parts.

• I nstal lat i on work mu s t be performed in
accordan c e with the National Elect ric Code b y
qualified and authorized personnel only.

ll be performe d by

2 Ceiling Duct Type Air Conditioner

Safety Precautions

Safety Precautions

To prevent the injury of 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.

This symbol indicates the possibility of death or serious injury.

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

The meanings of the symbols used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

Installation

ENGLISH

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

•

There is risk of fire or electric
shock.

Install the panel and the
cover of control box securely.

•

There is risk of fire or electric
shock.

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 intstall a dedicated
circuit and breaker.

•

Improper wiring or installation
may cause fire or electric shock.

Always ground the product.

•

There is risk of fire or electric
shock"

Use the correctly rated
breaker or fuse.

•

There is risk of fire or electric
shock.

Owner's Manual 3

Safety Precautions

Do not modify or extend the
power cable.

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

•

There is risk of fire or electric
shock.

•

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

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

•

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

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.

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.

Do not install the product on a defective
installation stand.

•

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

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.

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.

4 Ceiling Duct Type Air Conditioner

Do not place anything on
the power cable.

•

There is risk of fire or electric
shock.

Do not plug or unplug the
power supply plug during
operation.

•

There is risk of fire or electric
shock.

Safety Precautions

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

•

There is risk of fire or electrical

shock.

Do not store or use
flammable gas or
combustibles near the
prodcut.

•

There is risk of fire or failure of

product.

Gasolin

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.

Do not placeaheater or
other appliances near the
power cable.

•

There is risk of fire and electric
shock.

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

•

Oxygen deficiency could occur.

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

•

There is risk of property
damage, failure of product, or
electric shock.

Do not allow water to run
into electric parts.

•

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

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.

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.

ENGLISH

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

•

There is risk of fire or eletric

shock.

Be cautious that water
could not enter the product.

•

There is risk of fire, electric

shock, or product damage.

Ventilate the product from
time to time when operating
it together withastove, etc.

•

There is risk of fire or electric
shock.

Owner's Manual 5

Safety Precautions

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

•

There is risk of electric shock.

Installation

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

•

Low refrigerant levels may

cause failure of product.

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.

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

•

A bad connection may cause

water leakage.

Take care to ensure that nobody
couldsteponorfallontothe
outdoor unit.

•

This could result in personal injury

and product damage.

Keep level even when
installing the product.

•

To avoid vibration or water

leakage.

e

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.

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

•

Avoid personal injury.

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.

6 Ceiling Duct Type Air Conditioner

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.

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.

Safety Precautions

Do not block the inlet or outlet
of air flow.

•

It may cause product failure.

Do not step on or put anyting on
the product. (outdoor units)

•

There is risk of personal injury
and failure of product.

Do not drink the water drained
from the product.

•

It is not sanitary and could
cause serious health issues.

Useasoft 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.

Thinner

Wax

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.

Useafirm stool or ladder when
cleaning or maintaining the
product.

•

Be careful and avoid personal
injury.

Do not touch the metal parts of the
product when removing the air
filter. They are very sharp!

•

There is risk of personal injury.

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

•

There are sharp and moving parts
that could cause 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

ENGLISH

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

•

They may burn or explode.

If the liquid from the batteries gets onto your skin or
clothes, wash it well with clean water. Do not use the
remote if the batteries have leaked.

•

The chemicals in batteries could cause burns or
other health hazards.

Owner's Manual 7

8 Ceiling Duct Type Air Conditioner

Operating Instructions

Operating Instructions

Remote Controller

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.

Name and Function of Remote Controller

AUTO SW ING OPERATION

2ndF

Operation unit

No Func

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no. Time

3

Signal receptor

Operation display



9
10

11
12

13

7
8

Timer

Program

Hour

Cancel

Week Holiday

Set/Clr

Min

Displays the operation conditions.

On/Off Button



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



Set Temperature Button

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



FAN Operation Button

Used to circulate room air without cooling or
heating.

Fan Speed Button



Used to set desired fan speed.

Operation Mode Selection Button



Used to select the operation mode.

•

Auto Operation Mode.

•

Cooling Operation Mode.

•

Soft Dry Operation Mode.
Heating Operation Mode.(except cooling model)

•

Timer Cancel Button



Used to cancel the timer.

SET TEMP

Room Temp

Time

Program set

RESET

FAN SPEED

HI
MED
LO

ZONE

SUB FUNCTION

AUTO

Heater
Defrost

JET

Filter

SLo

1234

Preheat
Humidify
Out door

1

2

5

6

AUTO

4
14

15

Timer Set Button



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

Week Button



Used to set a day of the week.

Program Button



Used to set the weekly timer.

Holiday Button



Used to set a holiday of the week.

Time Set Button



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

Set and Clear Button



Used to set and clear the weekly timer.

Room Temperature Checking Button



Used to check the room temperature.

Reset Button



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

Set the Current Time and a day of the Week

Operating Instructions

Press the ' ' button.

1

Hour

Each time the button is pressed, the number is changed from 00 to 23

You can set the number of the current hour.

OPERA TION

SET TEMP

Room Temp

Time

FAN SPEED

HI
MED
LO

ZONE

AUTO
JET

Hour

Press the ' ' button.

2

Min

AUTO SWING

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no . Time

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

AUTO SWING

Min

Week

Press ' ' button.

OPERA TION

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no . Time

SET TEMP

Room Temp

Time

FAN SPEED

HI
MED
LO

ZONE

AUTO
JET

3

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.

AUTO SWING

Week

OPERA TION

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no . Time

SET TEMP

Room Temp

Time

FAN SPEED

HI
MED
LO

ZONE

AUTO
JET

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1234

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1234

SUB FUNCTION

Preheat

Heater

Humidify

Defrost

Out door

Filter

1234

ENGLISH

Press the ' ' button.

RESET

4

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

AUTO SWING

RESET

OPERATION

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no. Time

SET TEMP

Room Temp

Time

FAN SPEED

HI
MED
LO

ZONE

SUB FUNCTION

AUTO

Heater

JET

Defrost
Filter

1 2 3 4

Preheat
Humidify
Out door

Owner's Manual 9

Operating Instructions

Weekly Programming

Press the Program button.

1

The remote controller is displayed like a picture. Then ' ', ' ' and '01' is blinked.

Program

Program set

AUTO SWING

OPERATION

SET TEMP

Room Temp

Operation unit

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no.

Time

Time

Program set

FAN SPEED

HI
MED
LO

ZONE

SUB FUNCTION

AUTO

Heater
Defrost

JET

Filter

1234

Preheat
Humidify
Out door

Press the ' ' button.

2

Press button repeatedly until desired mode appears.

Week

Week

Week

For example, if you want Thu, press button 4 times.

Week

Select the time you want.

3

Press or button, then blinking letter is shown.

If you press button, then ' ' shape appears.

unit

05

' ' shape means that five o'clock is reserved.

Using below buttons, you can reserve time.

* For example, the air-conditioner is on 6,7,8 and 13~22 o'clock.

MinHour

Set/Clr

Set/Clr

MinHour

AUTO SWING

OPERATION

Operation unit

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no.

Time

SET TEMP

Room Temp

Time

Program set

FAN SPEED

HI
MED
LO

ZONE

AUTO
JET

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1234

Press the Program button again to finish weekly programmining.

4

Program

10 Ceiling Duct Type Air Conditioner

Owner's Manual 11

AUTO SWING

Program set

Time

HI

ZONE

Operation unit

Room Temp

MED
LO

AUTO
JET

Heater
Defrost
Filter

Preheat
Humidify
Out door

Timer

On
Set no.

Off

1234

OPERATION

FAN SPEED

SUB FUNCTION

SET TEMP

01 03 05 07 09 11 13 15 17 19 21 23

Time

Operating Instructions

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

Press the Program button.

1

Press the Week button.
Select the Tuesday.

2

Press the Holiday button.

Then the remote controller will be displayed ' '.
The outside rectangular means holiday.

Press the Program button again to finish holiday setting.

3

4

Program

Program

Press the Timer button

to turn Timer on or off.

This function is used to turn on or turn off the product in several hours.

1

Timer

Change the timer setting until the desired time is set.

2

MinHour

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

3

Cancel

Week

Holiday

Holiday Setting

Timer Setting(Delay start/Pre-set stop)

ENGLISH

12 Ceiling Duct Type Air Conditioner

Cooling Mode

Soft Dry Mode

Auto Mode

(Cooling Model)

Operating Instructions

1st

2nd

3rd

On/Off Button

Operation Mode Selection Button

Room Temperature Setting Button

4th

Indoor Fan Speed Selection Button

Operation Mode

Operation Procedure

3

AUTO SW ING OPERATION

Timer

On

Off

Set no. Time

Cancel

Timer

Program

Week Holiday

Hour

SET TEMP

Room Temp

Time

2ndF

Operation unit

Program set

No Func

01 03 05 07 09 11 13 15 17 19 21 23

Set/Clr

Min

RESET

FAN SPEED

HI
MED
LO

ZONE

SUB FUNCTION
Heater

AUTO
JET

Defrost
Filter

SLo

1234

Preheat
Humidify
Out door

AUTO

1

2
4

Cooling Operation Mode

Operating Instructions

Press the On/Off Button.

1

Select Cooling Operation.

2

Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.

COOLING MODEL

Operation Display

AUTOSWING

OPERATION

SET TEMP

RoomTemp

Time

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Setno. Time

FANSPEED

HI
MED
LO

ZONE

AUTO
JET

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

123 4

AUTOSWING

OPERATION

SET TEMP

RoomTemp

Time

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Setno. Time

FANSPEED

HI
MED
LO

ZONE

AUTO
JET

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1 2 3 4

Cooling Operation Soft Dry Operation

FAN SPEED

Set the temperature

3

lower than the room
temperature.

OPERATION

SET TEMP

Room Temp

Time

AUTO SWING

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Set no. Time

HI
MED
LO

ZONE

SUB FUNCTION

Heater

AUTO

Defrost

JET

Filter

123 4

•

The temperature can be set

Preheat

within a range of 18°C ~ 30° C

Humidify
Out door

by 1° C .

To raise the Temperature.

To lower the Temperature.

Set the fan speed.

4

Operation Display

AUTOSWING

Timer

On
Setno. Time

SET TEMP

OPERATION

Operation unit Program set

Off

01 03 05 07 09 11 13 15 17 19 21 23

RoomTemp

Time

FANSPEED

HI
MED
LO

ZONE

SUB FUNCTION

AUTO

Heater

JET

Defrost
Filter

123 4

Preheat
Humidify
Out door

AUTOSWING

Timer

On
Setno. Time

SET TEMP

OPERATION

RoomTemp

Time

Operation unit Program set

Off

01 03 05 07 09 11 13 15 17 19 21 23

FANSPEED

HI
MED
LO

ZONE

AUTO
JET

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1 2 3 4

AUTOSWING

OPERATION

SET TEMP

RoomTemp

Time

Operation unit Program set

Timer

On

Off

01 03 05 07 09 11 13 15 17 19 21 23

Setno. Time

Auto Operation

AUTOSWING

Timer

On
Setno. Time

SET TEMP

OPERATION

RoomTemp

Time

Operation unit Program set

Off

01 03 05 07 09 11 13 15 17 19 21 23

FANSPEED

HI
MED
LO

ZONE

FANSPEED

HI
MED
LO

ZONE

SUB FUNCTION

AUTO

Heater
Defrost

JET

Filter

AUTO
JET

Preheat
Humidify
Out door

1 2 3 4

SUB FUNCTION

Heater

Preheat

Defrost

Humidify

Filter

Out door

1 2 3 4

ENGLISH

•

Select the fan speed in three steps- high, low, medium.

•

The display shows high fan speed.

•

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

Owner's Manual 13