LG LBN80852QC, LBN81101QC Owner’s Manual

LG

Ceiling Duct-Type Air Conditioner LG

OWNER'S MANUAL

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IMPORTANT

Please read through this manual. It contains valuable information about your air conditioner. This manual may help save time and money by explaining proper product maintenance and preventing improper use.

PRECAUTIONS

Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation. LG is not responsible for any damages caused by misuse of the product.

LG Electronics India Pvt. Ltd.

Regd. Office : A-27, Mohan Cooperative Industrial

Estate, Mathura Road, New Delhi-110044.

www.lg.com

MFL37347405

Ceiling Duct-Type Air Conditioner Owner’s Manual

TABLE OF CONTENTS

1.Safety Precautions

2.Operating Instructions

3.Care and Maintenance

4.Before you call for service

F or 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

R ead 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.

CAUTION

•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.

•Installation work must be performed in accordance with the national wiring standards by authorized personnel only.

2

Safety

Precautions Precautions

To prevent injury and property damage, follow these instructions.

Incorrect operation due to ignoring instructions will cause harm or damage, the seriousness of which is indicated by the following symbols.

WARNING This symbol shows the possibility of death or serious injury.

CAUTION This symbol indicates the possibility of injury or damage to property.

Never Do This

Always Do This

Installation precautions

WARNINGI

nDo not install, remove and reinstall the unit by yourself.

•Improper installation will cause water leakage, electrical shock, or fire. Please consult authorized dealer or specialist for the installation work. Please note fault caused by improper installation is not covered by warranty.

•Unit must be installed in an easily accessible area. Any additional cost required to hire a special equipment to service the unit will be the responsibility of the customer.

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4

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8

Operating	Operating Instructions
Instructions

Name and Function of Remote Controller

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• (optional) (For number of COMP selection)

*

• (optional)

• (optional)

• Optional feature.

9

Information of Slide Switch

	1
	1
	2
3	2
4

3

(optional)

4

(optional)

IDU Fan Speed Provision

Capacity	IDU Fan Speed
36K BTU/h	3	Speed (Hi, Low and Medium)
51K BTU/h	3	Speed (Hi, Low and Medium)
66K BTU/h	3	Speed (Hi, Low and Medium)
90K BTU/h	3	Speed (Hi, Low and Medium)
102K BTU/h	3	Speed (Hi, Low and Medium)
132K BTU/h	3	Speed (Hi, Low and Medium)
198K BTU/h	1	Speed (Hi)
264K BTU/h	1	Speed (Hi)

When changing the product selection switch and group control switch, you must press the reset switch to use the changed selection.

For 198K BTU/H & 264K BTU/H keep room temperature sensing on Remo.

10

Set the Current Time and a day of the Week

1 Press the ' Hour ' button.

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

AUTO SWING		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
			Room Temp	HI	AUTO	Heater	Preheat
Hour				MED	JET	Defrost	Humidify
				LO		Filter	Out door
			Time	ZONE		1 2 3 4
Timer	Operation unit		Program set
On Off	01	03 05 07	09 11 13	15 17	19	21	23
Set no. Time

2 Press the ' Min ' button.

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		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
			Room Temp	HI	AUTO	Heater	Preheat
				MED	JET	Defrost	Humidify
Min				LO		Filter	Out door
			Time	ZONE		1 2 3 4
Timer	Operation unit		Program set
On Off	01	03 05 07	09 11 13	15 17	19	21	23
Set no. Time

Week

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.

Week	AUTO SWING		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
				Room Temp	HI	AUTO	Heater	Preheat
					MED	JET	Defrost	Humidify
					LO		Filter	Out door
				Time	ZONE		1 2 3 4
	Timer	Operation unit		Program set
	On Off	01	03 05 07	09 11 13	15 17	19	21	23
	Set no. Time

4 Press the ' RESET ' button.

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

AUTO SWING		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
RESET			Room Temp	HI	AUTO	Heater	Preheat
				MED	JET	Defrost	Humidify
				LO		Filter	Out door
			Time	ZONE		1 2 3 4
Timer	Operation unit		Program set
On Off	01	03 05 07	09 11 13	15 17	19	21	23
Set no. Time

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Weekly Programming

1 Press the Program button.
The remote controller is displayed like a picture. Then '		Program set		', '	' and '01' is blinked.
Program	AUTO SWING		OPERATION		SET TEMP	FAN SPEED		SUB FUNCTION
					Room Temp	HI	AUTO	Heater	Preheat
						MED	JET	Defrost	Humidify
						LO		Filter	Out door
					Time	ZONE		1 2 3 4
	Timer	Operation unit			Program set
	On Off
	Set no. Time 01		03 05	07	09 11 13	15 17	19	21	23

Week

2 Press the ' ' button.

Week

Press button repeatedly until desired mode appears.

Week

Week

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

3 Select the time you want.

Press Hour or Min	button, then blinking letter is shown.
If you press SET/CLR button, then '		' shape appears.
unit
' 05 ' shape means that five o'clock is reserved.
Using below buttons, you can reserve time.
	SET/CLR
Hour	Min

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

AUTO SWING		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
			Room Temp	HI	AUTO	Heater	Preheat
				MED	JET	Defrost	Humidify
				LO		Filter	Out door
			Time	ZONE		1 2 3 4
Timer	Operation unit		Program set
On Off	01	03 05 07	09 11 13	15 17	19	21	23
Set no. Time

4	Press the Program button again to finish weekly programmining.
	Program

12

Holiday Setting

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

Program

1 Press the Program button.

Week

2	Press the Week button.
	Select the Tuesday.
	Holiday
3	Press the Holiday button.
	Then the remote controller will be displayed '	'.
	The outside rectangular means holiday.
4	Press the Program button again to finish holiday setting.

AUTO SWING		OPERATION	SET TEMP	FAN SPEED		SUB FUNCTION
			Room Temp	HI	AUTO	Heater	Preheat
				MED	JET	Defrost	Humidify
				LO		Filter	Out door
			Time	ZONE		1 2 3 4
Timer	Operation unit		Program set
On Off	01	03 05 07	09 11 13	15 17	19	21	23
Set no. Time

Program

Timer Setting (Delay start/Pre-set stop)

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

Timer

Press the Timer button

1

to turn Timer on or off.

2 Change the timer setting until the desired time is set.

Hour Min

Cancel

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

Note :- • ON Timer is available when unit is OFF.

•OFF Timer is available when unit is ON.

•It starts counting time after Timer was set.

•Timer can be set upto 24 hours.

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Operation Mode

Cooling Mode

Soft Dry Mode

Auto Mode

Operation Procedure

1st	On/Off Button	AUTO SWING	OPERATION	SET TEMP	FAN SPEED	SUB FUNCTION
				Room Temp	HI
					MED
					LO	Filter	Out door
				Time		1 2 3 4
		Timer Operation unit		Program set
		On Off
2nd		Set no. Time 01	03 05 07	09 11 13	15 17 19	21	23
	Operation Mode Selection Button	3
							1
3rd	Room Temperature Setting Button						2
							4

4th Indoor Fan Speed Selection Button

14

Cooling Operation Mode

1 Press the On/Off Button.

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

AUTO SWING OPERATION

SET TEMP FAN SPEED

SUB FUNCTION

AUTO SWING OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

AUTO SWING OPERATION

SET TEMP FAN SPEED

SUB FUNCTION

Room Temp

AUTO

Heater

Preheat

Room Temp

HI

AUTO

Heater

Preheat

Room Temp

AUTO

Heater

Preheat

HI

HI

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

LO

Filter

Out door

LO

Filter

Out door

LO

Filter

Out door

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

Timer Operation unit

Program set

Timer

Operation unit

Program set

Timer Operation unit

Program set

On Off

On Off

On Off

Set no. Time 01 03 05 07

09 11 13 15 17 19

21

23

Set no. Time 01 03 05

07

09 11

13

15

17 19

21

23

Set no. Time 01 03 05 07

09 11 13 15 17 19

21

23

Cooling Operation

Soft Dry Operation

Auto Operation

Set the temperature

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

• The temperature can be set

3 lower than the room

Room Temp

HI

AUTO

Heater

Preheat

within a range of 18°C ~ 30°C

MED

JET

Defrost Humidify

LO

Filter

Out door

by 1°C .

temperature.

Time

ZONE

1 2 3 4

Timer

Operation unit

Program set

On Off

01

03

05 07

09 11

13

15

17

19

21

23

Set no. Time

To raise the Temperature.

To lower the Temperature.

4 Set the fan speed.

Operation Display

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

Room Temp

HI

AUTO

Heater

Preheat

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

LO

Filter

Out door

LO

Filter

Out door

LO

Filter

Out door

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

Timer

Operation unit

Program set

Timer

Operation unit

Program set

Timer

Operation unit

Program set

On Off

01

03 05 07

09 11 13

15 17

19

21

23

On Off

01

03 05 07

09 11 13

15 17

19

21

23

On Off

01

03 05 07

09 11 13

15 17

19

21

23

Set no. Time

Set no. Time

Set no. Time

•Select the fan speed in three stepshigh, low, medium.

•The display shows high fan speed.

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

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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.

COOLING MODEL

Operation Display

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

Room Temp

HI

AUTO

Heater

Preheat

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

LO

Filter

Out door

LO

Filter

Out door

LO

Filter

Out door

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

Timer

Operation unit

Program set

Timer

Operation unit

Program set

Timer

Operation unit

Program set

On Off

01

03 05 07

09 11 13

15 17

19

21

23

On Off

01

03 05 07

09 11 13

15 17

19

21

23

On Off

01

03 05 07

09 11 13

15 17

19

21

23

Set no. Time

Set no. Time

Set no. Time

Cooling Operation Soft Dry Operation Auto Operation

3 During Soft Dry Operation.

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

16

Auto Operation Mode

1 Press the On/Off Button.

To select Auto Operation , press the Operation Mode Selection button.

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

COOLING MODEL

Operation Display

AUTO SWING OPERATION

SET TEMP FAN SPEED

SUB FUNCTION

AUTO SWING OPERATION

SET TEMP FAN SPEED

SUB FUNCTION

AUTO SWING

OPERATION

SET TEMP FAN SPEED

SUB FUNCTION

Room Temp

AUTO

Heater

Preheat

Room Temp

AUTO

Heater

Preheat

Room Temp

AUTO

Heater

Preheat

HI

HI

HI

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

MED

JET

Defrost

Humidify

LO

Filter

Out door

LO

Filter

Out door

LO

Filter

Out door

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

TimeZONE

1 2 3 4

Timer Operation unit

Program set

Timer Operation unit

Program set

Timer Operation unit

Program set

On Off

On Off

On Off

Set no. Time 01 03 05 07

09 11 13 15 17 19

21

23

Set no. Time 01 03 05 07

09 11 13 15 17 19

21

23

Set no. Time 01

03 05 07

09 11 13 15 17 19

21

23

Cooling Operation

Soft Dry Operation

Auto Operation

During Auto Operation:

qYou can switch the indoor fan speed.

qThe system will automatically switch from the cooling mode to the heating mode as the room temperature and set temperature.(Heat pump model only)

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FAN Operation

1 Press the On/Off Button.

2 Press FAN Operation Button.

Each time Indoor Fan Speed button is pressed, the fan speed mode is shifted in the

3 arrow direction.

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

LO

Filter

Out door

TimeZONE

1 2 3 4

Timer

Operation unit

Program set

On Off

01

03

05

07

09

11

13

15

17

19

21

23

Set no. Time

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

LO

Filter

Out door

TimeZONE

1 2 3 4

Timer

Operation unit

Program set

On Off

01

03

05

07

09

11

13

15

17

19

21

23

Set no. Time

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Room Temp

HI

AUTO

Heater

Preheat

MED

JET

Defrost

Humidify

LO

Filter

Out door

TimeZONE

1 2 3 4

Timer

Operation unit

Program set

On Off

01

03

05

07

09

11

13

15

17

19

21

23

Set no. Time

• Fan speed is high.

• Fan speed is low.

• Fan speed is medium.

*You can't set the temperature in Fan Operation mode. To exit this mode, press 'Operation Mode' button.

*Only high fan speed is available for 198K BTU/H & 264K BTU/H. Any other speed selection leads to malfunctioning of the unit.

18

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.

OPE RA TI ON	SE T T EM P	SU B F UN CT ION
Timer Oper ation unit	Prog ram s et	Su n Mon Tu e Wed Thu Fr i Sa t

On O ff

Se t no. Time 010305070911131517192123

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