LG LS-J0761CLCM Manuale utente

SERVICE MANUAL

Room Air Conditioner

MODEL :

LS-J0761CL / CM / CN / DL

LS-J0761HL / HM / HN

LS-J0762HL / HM / HN

LS-J0763CL / EL / HL

LS-J0820HL

LS-J0821CL / CM

LS-J0822AL

LS-J0962CL / CM / CN

LS-J0962HL / HM / HN / EL

LS-J0963CL / CM / CN / AL /DL

LS-J0964CL / GL / DL / HL / HM / EL

website http://biz.LGservice.com

e-mail http://www.LGEservice.com/techsup.html

CAUTION

-BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

-ONLY FOR AUTHORIZED SERVICE PERSONNEL.

Contents

Functions................................................................................................................................3

Product Specifications ......................................................................................................... 5

Dimensions............................................................................................................................. 7

Refrigeration Cycle Diagram............................................................................................... 10

Wiring Diagram..................................................................................................................... 11

Operation Details ................................................................................................................. 13

Display Function .................................................................................................................. 20

Self-diagnosis Function....................................................................................................... 20

Installation ............................................................................................................................ 21

Operation .............................................................................................................................. 37

Disassembly of the parts (Indoor Unit).............................................................................. 39

2-way, 3-way Valve................................................................................................................ 45

Cycle Troubleshooting Guide.............................................................................................. 52

Electronic Parts Troubleshooting Guide............................................................................ 53

Electronic Control Device.................................................................................................... 60

Schematic Diagram.............................................................................................................. 62

Exploded View and Replacement Parts List...................................................................... 64

-2-

Functions

• Room temperature sensor. (THERMISTOR)

• Maintains the room temperature in accordance with the Setting Temp.

• Indoor fan is delayed for 5 sec at the starting.

• Restarting is inhibited for approx. 3 minutes.

• High, Med, Low, CHAOS

--- Lights up in operation

--- Lights up in Sleep Mode

--- Lights up in Timer Mode

--- Lights up in Defrost Mode (for Heating Model)

OUTDOOR --- Lights up in compressor operation (for Cooling Model)

• Intermittent operation of fan at low speed.

• The fan is switched to low(Cooling), med(Heating) speed.

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

• The fan is switched to intermittent or irregular operation

•

The fan speed is automatically switched from high to low speed.

• The louver can be set at the desired position or swing

up and down automatically.

Indoor Unit

Operation ON/OFF by Remote controller

Sensing the Room Temperature

Room temperature control

Starting Current Control

Time Delay Safety Control

Indoor Fan Speed Control

Operation indication Lamps (LED)

Soft Dry Operation Mode

• Both the indoor and outdoor fan stops

during defrosting.

• The indoor fan stops until the

evaporator pipe temperature will be

reached at 28°C.

Sleep Mode Auto Control

Natural Air Control by CHAOS Logic

Airflow Direction Control

-3-

Defrost(Deice) control (Heating)

Hot-start Control (Heating)

-4-

Healthy Dehumidification Operation Mode.

( )

Remote Control

Operation ON/OFF

Reset

Operation Mode Selection

Temperature Setting

Timer Selection

Timer Setting

JET COOL

Timer Cancel

Sleep Operation

Airflow Direction Control

(Cooling

model only) (Heating

model only)

TEMPERATURE LOW HIGH

Cooling Operation Mode.( ) Heating Operation Mode.( )

Auto Operation Mode.( )

Fan Operation Mode

Horizontal Airflow Direction Control Button(Option)

Room, Temperature Display

Setting the Time or Timer

PLASMA(Option)/NEGATIVE ION(Option)

ON OFF

SET

PLASMA

CANCEL

Fan Speed Selection

(Low) (Med) (High) (CHAOS)

: (High:39°C Low:11°C)

: OFF, ON, OFF ON

: Cancel Sleep Mode, Timer ON or Timer OFF

:1,2,3,4,5,6,7, OffTimer

: Fan Operates without cooling or heating.

Cooling Down to 18°C

Up to 30°CHeating Down to 16°C

Up to 30°C

-5-

Product Specifications

Model Name

Item Unit

Cooling Capacity Btu/h 7,000 9,000 8,000 9,000

Moisture Removal l/h 1.0 1.2 1.0 1.2

Power Source Ø,V,Hz 1Ø, 220-240V, 50Hz 1Ø220V, 60Hz

1Ø, 220-240V, 50Hz

Indoor 5.6 6.7 6.2 6.7

Outdoor 18 20 18 20

Indoor 32 33 32 33

Outdoor 46 46 46 46

Input W 690 930 670 920

Running Current A 2.9 4.1 3.1 4.0

E.E.R. Btu/hW 10.14 9.7 11.9 9.8

Indoor 5 5.7 5 5.7

Outdoor 14 14.5 14 14.5

Indoor 802 x 262 x 165

Outdoor 564 x 525 x 265

Indoor 7

Outdoor 20 25 23 23

Refrigerant (R22) g 440 470 590 530

Airflow Direction Control (Up & Down) O O O O

Remocon Type L.C.D Wireless

Liquid inch(mm) 1/4" (6.35)

Gas 3/8" (9.52)

Sleeping Operation O O O O

Drain Hose O O O O

Connecting Cable 1.0mm2

Power Cord 1.0mm2

Air Circulation

Noise Level

m3/min

dB (A)±3

Service Valve

Motor Output

Dimensions

(W xH xD)

Net. Weight

LS-J0761CL

CM/CN/DL

LS-J0763CL

LS-J0962CL

CM/CN LS-J0821CL/CM

LS-J0822AL

LS-J0963CL/CM

AL/DL/CN

LS-J0964CL/GL/DL

-6-

Product Specifications

Model Name

Item Unit

Cooling Capacity Btu/h

Heating Capacity

Moisture Removal l/h

Power Source Ø,V,Hz

Cooling W

Heating

Running Cooling A

Current Heating

E.E.R. Cooling Btu/hW

C.O.P Heating

Refrigerant (R22) g

Airflow Direction Control (Up & Down)

Remocon Type

inch(mm)

Sleeping Operation

Drain Hose

Connecting Cable

Power Cord

7,000 7,000 8,000 9,000

7,300 7,300 8,000 9,300

1.0 1.0 0.7 1.2

1Ø, 220-240V, 50Hz

5.6 6.4 5.5 6.7

18 18 25 25

32 32 32 33

46 46 47 46

750 750 780 900

680 680 780 870

3.3 3.3 3.4 3.9

3.0 3.0 3.4 3.8

9.33 9.3 10.3 10.0

3.14 3.15 3.0 3.13

5.0 5.0 6.0 5.7

14 14 13.6 14.5

802 x 262 x 165

564 x 525 x 265 564 x 525 x 265 564 x 525 x 265 770 x 540 x 245

7.0 7.0 7.0 7.0

21 24 25 33

640 640 660 590

OOOO

L.C.D Wireless

1/4" (6.35)

3/8" (9.52)

OOOO

1.0mm2

Air Circulation

Noise Level

Input

m3/min

dB (A)±3

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Liquid

Gas

Service Valve

Motor Output

Dimensions

(W xH xD)

Net. Weight

LS-J0761HL

HM/HN

LS-J0762HL/HM/HN

LS-J0763HL/EL

LS-J0820HL

LS-J0962HL/HM

HN/EL

LS-J0964HL/HM/EL

Dimensions

(1) Indoor Unit

-7-

Tubing hole cover

Installation plate

Right rear piping

Left rear piping

ø70mm

80mm

50mm

40mm

7K Btu

8K Btu

9K Btu

MODEL

Unit

802

262

165

DIM

(2) Outdoor Unit

WL2

Gas side

(3-way valve)

Liquid side

(2-way valve)

MODEL

DIM unit

W mm 564

H mm 525

D mm 265

L1 mm 294

L2 mm 66

L3 mm 374

L4 mm 17

L5 mm 270

7K Btu

8K Btu

9K Btu(Cooling Only)

-8-

-9-

(3) Outdoor Unit (9K Btu Heat Pump)

WL2

Gas side

(3-way valve)

Liquid side

(2-way valve)

MODEL 9K Btu Heat Pump

DIM unit

W mm 770

H mm 540

D mm 245

L1 mm 285

L2 mm 65

L3 mm 518

L4 mm 10

L5 mm 100

Refrigeration Cycle Diagram

-10-

Pipe size(Diameter:Ø)MAX. Max

MODEL Piping length Elevation

Gas(inch) Liquid(inch) (m) (m)

3/8" 1/4" 15 7

INDOOR UNIT OUTDOOR UNIT

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

ACCUMU

LATOR

GAS SIDE

3-WAY VALVE

LIQUID SIDE

2-WAY VALVE

CAPILLARY TUBE

CHECK VALVE

(Heating Model only)

COOLING

HEATING

REVERSING

VALVE

(Heating Model Only)

7K, 8K, 9K Btu

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