LG LM-2422C2L Bedienungsanleitung

Multi Type Room

Air Conditioner

SERVICE MANUAL

MODEL: LM-2422C2L

LM-2422A2L/A3L

LM-3620C2L/C2M/A2L

LM-3622A2L

LM-3625C3L/A3L

LM-3626A3L

LM-4822C3L

LM-4822A3L

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

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

Dimensions................................................................................................................................... 9

Refrigeration Cycle Diagram..................................................................................................... 13

Wiring Diagram .......................................................................................................................... 17

Operation Details ....................................................................................................................... 20

Display Function........................................................................................................................ 27

Self-diagnosis Function ............................................................................................................ 27

Installation.................................................................................................................................. 28

Operation.................................................................................................................................... 42

Disassembly of the parts (Indoor Unit).................................................................................... 44

2-way, 3-way Valve ..................................................................................................................... 46

Cycle Troubleshooting Guide ....................................................................................................50

Electronic Parts Troubleshooting Guide.................................................................................. 51

Electronic Control Device ......................................................................................................... 58

Schematic Diagram.................................................................................................................... 61

Exploded View and Replacement Parts List............................................................................ 66

- 2 -

Contents

- 3 -

Functions

• Room temperature sensor. (THERMISTOR)

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

• Indoor fan is delayed for 5 seconds 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 Deice Mode(for Heat pump model)

--- 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)

OUT

DOOR

Health Dehumidification Operation

• Both the indoor and outdoor fan

stops during deicing.

• Hot start after deice ends.

• The indoor fan stops until the

evaporator piping temperature will be

reached at 22°C.

Sleep Mode Auto Control

Natural Air Control by CHAOS Logic

Airflow Direction Control

Deice (defrost) control (Heating)

Hot-start Control (Heating)

- 4 -

Healthy Dehumidification Operation Mode.

( )

Remote Controller

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, Off Timer

: 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

17,000(4,270) 24,000(6,050)

1.6 1.6 x 2

1Ø, 220, 60HZ

9.0

38+1

56+1

2,260 2,410

10.5 11.5

7.5 9.96

14.4

888 x 287 x 170

870 x 655 x 320

1,650(at 7.5m)

L.C.D Wireless

1/4"(6.35)

1/2"(12.7)

0.75mm2

2.5mm2

Operation A or B unit A + B unit

Unit

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Liquid

Gas

Item

Cooling Capacity Btu/h(kcal/h)

Moisture Removal /h

Power Source ø, V, Hz

Air Circulation m3/min

Noise Level(Low) dB(A)

Input W

Runnig Current A

E.E.R. Btu/h.w

Motor Output W

Dimensions(W x H x D)

Net. Weight kg

Refrigerant(R-22) g

Airflow Direction Control(Up & Down)

Remocon Type

Service Valve

Drain Hose

Plasma Filter

Connecting Cable

Power Cord

1. LM-2422C2L, LM-2422A2L

- 6 -

17,800(4,486) 35,600(8,972)

2.0 2.0 x 2

1Ø, 220, 60HZ

13.1

1,900 3,650

8.7 16.8

9.4 9.8

1,080 x314 x 181

870 x 800 x 320

A: 820, B: 820 (at 7.5m)

L.C.D Wireless

1/4"(6.35)

5/8"(15.88)

LM-3622A2L only

1.5mm2

3.5mm2

Operation A or B unit A + B unit

Unit

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Indoor

Outdoor

Liquid

Gas

Item

Cooling Capacity Btu/h(kcal/h)

Moisture Removal /h

Power Source ø, V, Hz

Air Circulation m3/min

Noise Level(Low) dB(A)

Input W

Runnig Current A

E.E.R. Btu/h.w

Motor Output W

Dimensions(W x H x D)

Net. Weight kg

Refrigerant(R-22) g

Airflow Direction Control(Up & Down)

Remocon Type

Service Valve

Drain Hose

Plasma Filter

Connecting Cable

Power Cord

2. LM-3620C2L, LM-3620A2L, LM-3622A2L

- 7 -

12,000(3,024)

13,000(3,276) 25,000(6,300) 23,800(5,998) 35,800(9,022)

1.4 1.5 2.9 2.5 3.9

1Ø, 220V, 60Hz

Indoor 9.0 9.5 9.0 + 9.5 9 + 9 9.0 x 3

Outdoor 58 - - - -

Indoor 37 38 - - -

Outdoor 57

1,300 2,100 3,200 2,400 3,600

5.7 9.3 13.6 10.1 14.8

9.2 6.2 7.8 9.9 9.9

Indoor 14.4 x 3

Outdoor 90

Indoor 888 x 287 x 170

Outdoor 870 x 800 x 320

Indoor 9 - - -

Outdoor 71

A: 550, B: 1,100 (at 7.5m)

L.C.D Wireless

Liquid 1/4"(6.35)

Gas 1/2"(12.7)

LM-3626A3L only

0.75mm2

3.5mm2

Operation A-Unit

B or C-Unit

A+B or C B+C A+B+C

Unit

Item

Cooling Capacity Btu/h(kcal/h)

Moisture Removal /h

Power Source ø, V, Hz

Air Circulation m3/min

Noise Level(Low) dB(A)

Input W

Runnig Current A

E.E.R. Btu/h.w

Motor Output W

Dimensions(W x H x D)

Net. Weight kg

Refrigerant(R-22) g

Airflow Direction Control(Up & Down)

Remocon Type

Service Valve

Drain Hose

Plasma Filter

Connecting Cable

Power Cord

3. LM-3625C3L/A3L, LM-3626A3L

- 8 -

24,000(6,048)

16,000(4,032)

40,000(10,080)

24,000(6,048)

48,000(12,096)

2.5 2.2 4.8 3.4 6.5

1Ø, 220V, 60Hz

Indoor 14.5 9.0 14.5 + 9.0 8.2 + 8.2

14.5 + 8.2 + 8.2

Outdoor 106

Indoor 47/44/40 42/40/38 - - -

Outdoor 60

2,500 2,300 4,500 2,500 4,700

11.0 10.5 20.0 11.0 21.0

9.6 7.0 8.9 9.6 10.6

Indoor 22 14.4

Outdoor 80 x 2

Indoor

1,180 x 314 x 181

888 x 287 x 170

Outdoor 1,225 x 900 370

Indoor 11 9 - - -

Outdoor 106

1,570 1,300 - - -

L.C.D Wireless

Liquid

3/8"(9.52) 1/4"(6.35)

---

Gas

5/8"(15.88) 1/2"(12.7)

---

LM-4822C3L/A3L only

0.75mm2

5.5mm2

Operation A-Unit

B or C-Unit

A+B or C B+C A+B+C

Unit

Item

Cooling Capacity Btu/h(kcal/h)

Moisture Removal /h

Power Source ø, V, Hz

Air Circulation m3/min

Noise Level(Low) dB(A)

Input W

Runnig Current A

E.E.R. Btu/h.w

Motor Output W

Dimensions(W x H x D)

Net. Weight kg

Refrigerant(R-22) g

Airflow Direction Control(Up & Down)

Remocon Type

Service Valve

Drain Hose

Plasma Filter

Connecting Cable

Power Cord

4. LM-4822C3L, LM-4822A3L

1. Indoor Unit

- 9 -

Dimensions

Installation plate

Right rear piping

Left rear piping

ø70mm ø70mm

50mm

20mm

80mm

ø70mm

Center

ø70mm

Left rear piping Right rear piping

Tubing hole cover

W mm 802 888 1,080

H mm 262 287 314

D mm 165 170 181

4.5K, 6K, 7K, 8K, 9K

Btu Series 9K, 10K, 12K Btu

Series 18K, 24K Btu

MODEL

DIM

( 4.5K, 6K, 7K, 8K, 9K )

( 9K, 10K, 12K, 18K, 24K )

- 10 -

2. Outdoor Unit

2-1. LM-2422C2L, LM-2422A2L, LM-3622A2L, LM-3620C2L, LM-3620A2L

L4 L3

L10L10L10

Gas side

3-Way valve

Liquid side

2-Way valve

L7L5L6

W mm 870 870

H mm 655 800

D mm 320 320

L1 mm 370 370

L2 mm 25 25

L3 mm 630 775

L4 mm 25 25

L5 mm 546 546

L6 mm 160 160

L7 mm 160 160

L8 mm 64 64

L9 mm 76.5 76.5

L10 mm 50 50

LM-2422C2L, LM-2422A2L LM-3620C2L, LM-3622A2L, LM-3620A2L

MODEL

DIM

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