LG AS-W1838*H0 LAN185HV / LAU185HV, AS-W2438*H0 LAN245HV / LAU245HV Room Air Conditioner SVC MANUAL

Internal Use Only http://biz.lgservice.com

Room Air Conditioner

SVC MANUAL(Exploded View)

MODEL : AS-W1838*H0 (LAN185HV / LAU185HV)

AS-W2438*H0 (LAN245HV / LAU245HV)

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.

Only for authorized service personnel.

1. Specification

Cooling Capacity

Heating Capacity

Power Input

Running Current

Starting Current

EER

COP

Power Supply

Power Factor

Air Flow Rate

Moisture Removal

Sound Level

Refrigerant &

Additional

Compressor

Fan(Indoor)

Fan(Outdoor)

Circuit Breaker*

Power Supply Cable

Power and Transmission

Piping Connections

Drain Hose

Dimensions

Net Weight

Operation Range

Max. Piping Length

Max. Elevation Difference

Tool Code(Chassis)

Functions

Network Functions

Models

Cooling/Heating

Cooling/Heating

Cooling/Heating

Indoor,Max

Outdoor,Max

Indoor,H/M/L

Outdoor,Max

Charge (at 7.5 m)

Refrigerant charge

Type

Model

Motor Type

Oil Type

Oil Charge

O.L.P. name

Type

Motor Output

Type

Motor Type

Motor Output cc

W

Liquid Side

Gas Side

O.D., I.D.

Indoor (W*H*D)

Outdoor (W*H*D)

Indoor

Outdoor

Cooling(Outdoor)

Heating(Outdoor)

Indoor + Outdoor

Temperature Control

Plasma Filter

Prefilter(washable/anti-fungus)

Auto Clean

CHAOS Wind(Auto Wind)

Steps, Fan/Cool/Heat

Airflow Direction Control(up & Down)

Airflow Direction Control(left & right)

Remote Controller Type

Setting Temperature Range Cooling

Heating

Auto Operation (Micom Control)

Auto Changeover (Micom Control)

Self Diagnosis

Timer

Sleep Operation

Soft Dry Operation

Restart Delay(minute)

Deice Control(Defrost)

Hot Start

Jet Cool / Heat

Low Ambient Operation

Special Function

Dry Contact

Network Solution

PI485

W

A

NEC

NEC mm(in) mm(in) mm(in) mm inch mm inch kg(lbs) kg(lbs)

˚C(˚F)

˚C(˚F) m(ft) m(ft) kW

Btu/h.

kW

Btu/h.

W

A

A

W/W

Btu/h.W

W/W

Ø / V / Hz

% m3/min(CFM) m3/min(CFM) l/h.

dB(A)+3 dB(A)+3 g(oz) g/m(oz/ft)

Note:

O : Applied, - : No relation

* For circuit breaker rating, please conform to local standards wherever necessary.

AS-W1838RH0 [LA185HV]

1.76~5.28~5.80

6,005~18,000~19,790

1.40~6.07~6.65

4,776~20,700~22,690

1,675/1,770

7.3/8.3

7.3/8.3

3.15

10.75

3.43

1/208-230/60

98

18.5(650)

42(1,483)

2.1

40/38/34

53

R410A, 1,200(42)

20(0.22)

Rotary

5CS130XCA03

BLDC

RB68A

360

-

Cross Flow Fan

20

Propeller

AC Induction

79

20

14

18

6.35(1/4)

12.7(1/2)

21.5,16(0.85,0.63)

1,107*299*200

43.6*11.8*7.9

870*655*320

34.3*25.8*12.6

14.1(31.1)

46(101.4)

-10 ~ 46 (14.0~114.8)(Low Ambient)

-10 ~ 24 (14.0 ~ 75.2)

15(49)

7(23)

S8 + UE

Thermistor

NEO

O

O

O

3/4/4

Auto

Auto

Wireless LCD

18 ~ 30 (64~86)

16 ~ 30 (60~86)

-

O

O

24h On/Off

O

O

O/O

O

-

-

-

-

2

O

O

❈ Some of functions are slightly different depending upon models.

❈ The specification may be subject to change without prior notice for purpose of improvement.

❈ Capacity : based on 230V

AS-W2438RH0 [LA245HV]

3.87~7.03~7.74

13,200~24,000~26,400

3.37~8.09~8.88

11,500~27,600~30,300

2,450/2,900

11.0/13.0

11.0/13.0

2.87

9.8

2.79

1/208-230/60

97

20.3(717)

58(2,048)

2.7

45/40/37

54

Rotary

R410A, 1,800(63.5)

30(0.32)

5KD240XCA21

BLDC

FV50S

900

-

Cross Flow Fan

24

Propeller

AC Induction

79

25

12

18

9.52(3/8)

15.88(5/8)

21.5,16(0.85,0.63)

1,107*299*200

43.6*11.8*7.9

870*800*320

34.3*34.6*12.6

14.1(31.1)

60(132.3)

-10 ~ 46 (14.0~114.8)(Low Ambient)

-10 ~ 24 (14.0 ~ 75.2)

30(98)

15(49)

S8 + UE1

Thermistor

NEO

O

O

O

3/4/4

Auto

Auto

Wireless LCD

18 ~ 30 (64~86)

16 ~ 30 (60~86)

-

O

O

24h On/Off

O

O

2

O

O

O/O

O

-

-

-

-

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 2 -

LGE Internal Use Only

2. Piping Diagrams

Indoor Unit Outdoor Unit

Liquid Side

2-Way Valve EEV

Th1

Th2

Heat

Exchanger

(Evaporator)

Th3

Heat

Exchanger

(Condenser)

Th5

Th4

Gas Side

3-Way Valve

Accumulator

Th7

Compressor

Reversing Valve

Th6

Cooling

Heating

LOC.

Description

Th1 Thermistor for indoor air temperature

Th2

Thermistor for evaporating temperature

Th3

Th4 Thermistor for outdoor air temperature

Th5 Thermistor for condensing temperature

Th6 Thermistor for discharge pipe temperature

Th7 Thermistor for suction pipe temperature

PCB Connector

CN_TH1(INDOOR)

CN_TH2(INDOOR)

CN_TH3(INDOOR)

CN_TH2(OUTDOOR)

CN_TH3(OUTDOOR)

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 3 -

LGE Internal Use Only

3. Wiring Diagrams

Indoor Unit

CN-MOTOR1

CN_L/R(BL) CN_UD (WH) CN_SUB(GRY)

CN_HVB(BL)

CN_DISP1(WH)

CN_TH2(WH)

CN_TH1(YL)

CN_TH3(RD)

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 4 -

LGE Internal Use Only

Outdoor Unit

CN_COIL2

CN_COIL1 CN_FAN(A) CN_4WAY

CN_LEV1

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 5 -

CN_TH3

CN_TH1

CN_TH2

LGE Internal Use Only

4. Exploded View

Indoor Unit

135316

135800

152302

135080

146811B

137211

152313

266001

263040

135511

159830

359011

131410

268711G

146811B

268711H

268711E

733010

263230A

Indoor Air

Thermistor

135500A

149303

342800

267110

149304

148000A

354210

346810

135516 266090

352150

135311

35211B

146811A

268711C

263230B 263230C

147581

249951

W6640A

Evaporater

Thermistor (TH2,WH)

Evaporater

Thermistor(TH3,RD)

Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.

Please check the correct parts in View RPL(Replacement Part List) on GCSC.

(GCSC Website http://biz.Lgservice.com,)

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 6 -

LGE Internal Use Only

Outdoor Unit 18k

435512

554031

Outdoor Air, Condenser

Thermistor

263230B

661400

EEV Coil

437212

437211

559010

349600

552113

649950

W0CZZ

268711F

435511

546810

261704

447910

550140

430960A

567480E

S-pipe, D-pipe

Thermistor

Discharge

Suction

552116

552202

561410

554160

552203A

435301

552203B

349480

437210

Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.

Please check the correct parts in View RPL(Replacement Part List) on GCSC.

(GCSC Website http://biz.Lgservice.com,)

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 7 -

LGE Internal Use Only

Outdoor Unit 24k

435512

137213A

435300

349600

137213B

554031

546810

263230D

559010

661400

EEV Coil

437211

447910

261704

649950

268711B

W4986

552113

S-pipe, D-pipe

Thermistor

263230E

552116

552202

435511

561410

W0CZZ

554160

550140

552203A

437210

435301

552203B

Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.

Please check the correct parts in View RPL(Replacement Part List) on GCSC.

(GCSC Website http://biz.Lgservice.com,)

Copyright ©2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 8 -

LGE Internal Use Only

P/NO : MFL42286407 January, 2008