DOWNLOAD LG LV-B1861HL Service Manual ↓ Size: 2.17 MB | Pages: 61 in PDF or view online for FREE

–12–

CONVERTIBLE(HEAT PUMP)

(OUTDOOR)

CONVERTIBLE(COOLING ONLY)

(OUTDOOR)

COMP.

BL

RD

GN/YL

GN/YL

GN/YL

BK

BK

L3  L2 L1 

CAPACITOR

REVERSING

VALVE

THERMISTOR

CAPACITOR

FAN

MOTOR

R

C

S

TO INDOOR UNIT

3

4

5

6

7

TERMINAL

BLOCK

HIGH PRESSURE S/W(FOR HEATING)

BK

BK

BK

BK

WH

BR

BL

BK

BK

YL

BR(OR)

YL

CONVERTIBLE(HEAT PUMP)

(OUTDOOR)

COMP.

BL

RD

GN/YL

GN/YL

GN/YL

BK

BK

L3  L2 L1 

CAPACITOR

REVERSING

COIL

THERMISTOR

CAPACITOR

FAN

MOTOR

R

C

S

TO INDOOR UNIT

3

4

5

6

7

TERMINAL

BLOCK

HIGH PRESSURE S/W(FOR HEATING)

BK

BK

BK

BK

WH

BR

BL

BK

BK

YL

BR(OR)

YL

TO INDOOR UNIT

COMP.

CAPACITOR

FAN

MOTOR

R

S

C

H

F

C

3

4

TERMINAL

BLOCK

BL

RD

BR

BR

BL

BK

T/B

BR(OR)

GN/YL

YL

T/B

• 3min… The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.

(Protection  of compressor)

• 5sec… Vertical air flow direction control louvers open in 5 seconds to prevent noise between louvers and wind.

• 30sec… The 4-way valve is ceased for 30sec. to prevent the refrigerant-gas abnormal noise when the Heating 

operation is OFF or switched to the other operation mode while compress is off.

While compressor is running, it takes 3~5 seconds to switch.

• This function is to swing the louver up and down automatically and to set it at the desired position. 

• The procedure is as the following. 

1st   ; Press the ON/OFF Button to operate the product.

2nd  ; Press the Airflow Direction Control Button to swing the louver up and down automatically. 

3nd  ; Repress the Airflow Direction Control Button to set the louver as the desired position. 

MODE 0

1

2

3

4

5

6

7

135

°

Cooling

MODE

MODE

MODE

MODE

MODE

MODE

MODE

9

MODE

(CLOSE)

OPEN

135

°

12

°

Cooling

Heating

Heating

Heating

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

MODE 8

MODE 9

CLOSE

OPEN

135

°

12

°

Cooling

Heating

Heating

Heating

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

MODE 6

MODE 7

MODE 8

MODE 9

CLOSE

–13–

¡

• Airflow direction control figure when installed on

the floor.

• Airflow direction control figure when installed

under the ceiling.

ƒU

When selecting the Cooling(    ) Mode Operation, the unit will operate according to the setting by the remote
controller and the operation diagram is as following

• When selecting the Cooling(     ) or the Heating( 

) combined with the Sleep Mode Auto Operation(

), the

operation diagram is as following.

¡Æ

• The setting temperature will be raised by 1°C 30minutes  later and by 2°C 1 hour later.
• The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

¡Æ

ƒU

The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

Intake Air temp.                   

COMP. ON
(SET TEMP.+0.5°C) 

COMP. OFF
(SET TEMP. -0.5°C)

More than

More than

3 minutes

3 minutes

INDOOR FAN

Low

Low

Low

Low

Low

COMPRESSOR

ON

OFF

ON 

OFF

ON

30 minutes

30 minutes

1°C

1°C

–14–

Setting Temp. +3°C
(Compressor OFF) 

Setting Temp.
(Compressor ON)

Indoor Fan

Med.

Med.

Med.

Med.

Med.

Med.

Compressor

ON

OFF

ON

OFF

ON

OFF

Intake Air temp.

COMP. ON
(SET TEMP.+0.5°C) 

COMP. OFF
(SET TEMP. -0.5°C)

More than

More than

3 minutes

3 minutes

Selecting

Selecting

Selecting

fan speed

fan speed

fan speed

COMPRESSOR

ON

OFF

ON 

OFF

ON

INDOOR FAN                                              

Low                                                   Low 

ƒU

The operation procedure is as following. (Cooling & Heating Model)

ƒN

If initial mode is decided, that mode is continued without the room temperature changing.

ƒN

For cooling operation mode over 24°C setting temperature and fan speed are same as cooling only model.

ƒU

–15–

Press Start/Stop Button

Select Auto Operation Mode

Check the Room temperature

Operation mode

Indoor fan speed

are automatically decided by Fuzzy rule.

Setting temperature

Intake-air

temperature

Operation Mode

Heating

Soft Dry 

Cooling

Operation Condition 

Intake-air Temperature

Setting temperature

Fan speed 

Air Direction Control

Over 26°C

25°C

Over 24°C~below 26°C

Intake air -1°C

Over 22°C~below 24°C

Intake air -0.5°C

Over 20°C~below 22°C intake air temperture

below 20°C

20°C

Over 20°C~below 30°C

Fuzzy control

below  20°C

20°C

over 30°C

30°C

below   21°C

below   

24°C

~

Over   24°C

Over   

21°C

When Auto Operation

initial start

When pressing room  temp-

erature setting button 

during Auto Operation

Controlled

by Fuzzy logic

In this mode, when
pressing the verti-
cal air diretion con-
trol.
Button, louvers
moves to 1/f
rhythm (refer to
page 17)

Intake-Air temp 

Setting Temp. +0.5°C
(Compressor OFF) 

Setting Temp.-0.5°C
(Compressor ON)

Indoor Fan

Compressor

ON

ON

OFF

OFF

Fuzzy Speed