LG LAN185HV, LAU185HV, LAN245HV, AS-W1838H0, AS-W2438H0 User Manual

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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

 

Models

 

AS-W1838RH0 [LA185HV]

AS-W2438RH0 [LA245HV]

Cooling Capacity

 

 

kW

1.76~5.28~5.80

3.87~7.03~7.74

 

 

 

Btu/h.

6,005~18,000~19,790

13,200~24,000~26,400

Heating Capacity

 

 

kW

1.40~6.07~6.65

3.37~8.09~8.88

 

 

 

Btu/h.

4,776~20,700~22,690

11,500~27,600~30,300

Power Input

Cooling/Heating

 

W

1,640/1,770

2,450/2,900

Running Current

Cooling/Heating

 

A

7.3/8.3

11.0/13.0

Starting Current

Cooling/Heating

 

A

7.3/8.3

11.0/13.0

EER

 

 

W/W

3.22

2.87

 

 

 

Btu/h.W

11.0

9.8

COP

 

 

W/W

3.43

2.79

Power Supply

 

 

Ø / V / Hz

1/208-230/60

1/208-230/60

Power Factor

 

 

%

98

97

Air Flow Rate

Indoor,Max

 

m3/min(CFM)

18.5(650)

20.3(717)

 

Outdoor,Max

 

m3/min(CFM)

42(1,483)

58(2,048)

Moisture Removal

 

 

l/h.

2.1

2.7

Sound Level

Indoor,H/M/L

 

dB(A)+3

40/38/34

45/40/37

 

Outdoor,Max

 

dB(A)+3

53

54

Refrigerant &

Charge (at 7.5 m)

 

g(oz)

R410A, 1,200(42)

R410A, 1,800(63.5)

Additional

Refrigerant charge

 

g/m(oz/ft)

20(0.22)

30(0.32)

Compressor

Type

 

Rotary

 

Rotary

 

 

Model

 

5CS130XCA03

 

5KD240XCA21

 

 

Motor Type

 

BLDC

 

BLDC

 

 

Oil Type

 

RB68A

 

FV50S

 

 

Oil Charge

 

cc

360

 

900

 

 

O.L.P. name

 

-

 

-

 

Fan(Indoor)

Type

 

Cross Flow Fan

Cross Flow Fan

 

Motor Output

 

W

20

24

Fan(Outdoor)

Type

 

Propeller

Propeller

 

Motor Type

 

AC Induction

AC Induction

 

Motor Output

 

W

79

79

Circuit Breaker*

 

 

A

20

25

Power Supply Cable

 

 

AWG

14

12

Power and Transmission

Cable No.*mm2+

 

AWG

18

18

Piping Connections

Liquid Side

 

mm(in)

6.35(1/4)

9.52(3/8)

 

Gas Side

 

mm(in)

12.7(1/2)

15.88(5/8)

Drain Hose

O.D., I.D.

 

mm(in)

21.5,16(0.85,0.63)

21.5,16(0.85,0.63)

Dimensions

Indoor (W*H*D)

 

mm

1,107*299*200

1,107*299*200

 

 

 

inch

43.6*11.8*7.9

43.6*11.8*7.9

 

Outdoor (W*H*D)

 

mm

870*655*320

870*800*320

 

 

 

inch

34.3*25.8*12.6

34.3*34.6*12.6

Net Weight

Indoor

 

kg(lbs)

14.1(31.1)

14.1(31.1)

 

Outdoor

 

kg(lbs)

46(101.4)

60(132.3)

Operation Range

Cooling(Outdoor)

 

˚C(˚F)

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

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

 

Heating(Outdoor)

 

˚C(˚F)

-10 ~ 24 (14.0 ~ 75.2)

-10 ~ 24 (14.0 ~ 75.2)

Max. Piping Length

 

 

m(ft)

15(49)

30(98)

Max. Elevation Difference

 

 

m(ft)

7(23)

15(49)

Tool Code(Chassis)

Indoor + Outdoor

 

 

S8 + UE

S8 + UE1

Functions

Temperature Control

 

Thermistor

Thermistor

 

Plasma Filter

 

NEO

NEO

 

Prefilter(washable/anti-fungus)

 

O

O

 

Auto Clean

 

O

O

 

CHAOS Wind(Auto Wind)

 

O

O

 

Steps, Fan/Cool/Heat

 

3/4/4

3/4/4

 

Airflow Direction Control(up & Down)

Auto

Auto

 

Airflow Direction Control(left & right)

Auto

Auto

 

Remote Controller Type

 

Wireless LCD

Wireless LCD

 

Setting Temperature Range

 

Cooling

18 ~ 30 (64~86)

18 ~ 30 (64~86)

 

 

 

Heating

16 ~ 30 (60~86)

16 ~ 30 (60~86)

 

Auto Operation (Micom Control)

 

 

-

-

 

Auto Changeover (Micom Control)

 

O

O

 

Self Diagnosis

 

O

O

 

Timer

 

24h On/Off

24h On/Off

 

Sleep Operation

 

O

O

 

Soft Dry Operation

 

O

O

 

Restart Delay(minute)

 

2

2

 

Deice Control(Defrost)

 

O

O

 

Hot Start

 

O

O

 

Jet Cool / Heat

 

O

O

 

Low Ambient Operation

 

O

O

 

Special Function

 

-

-

Network Functions

Dry Contact

 

-

-

 

Network Solution

 

-

-

 

PI485

 

-

-

Note:

O : Applied, - : No relation

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

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

Copyright ©2007 LG Electronics. Inc. All right reserved.

- 2 -

Only for training and service purposes

LGE Internal Use Only

 

LG LAN185HV, LAU185HV, LAN245HV, AS-W1838H0, AS-W2438H0 User Manual

2. PipingDiagrams

Indoor Unit

Outdoor Unit

Liquid Side

 

 

 

2-Way Valve

 

EEV

 

Th2

 

 

 

Th1

 

 

 

Heat

 

 

Heat

Exchanger

 

 

Exchanger

(Evaporator)

 

 

(Condenser)

Th3

 

 

Th4

 

 

 

Th5

Gas Side

 

 

 

3-Way Valve

Accumulator

 

Reversing Valve

 

 

Th6

 

Th7

 

 

 

 

 

 

Compressor

Cooling

 

 

 

Heating

LOC.

Description

PCB Connector

 

 

 

Th1

Thermistor for indoor air temperature

CN_TH1(INDOOR)

 

 

 

Th2

Thermistor for evaporating temperature

CN_TH2(INDOOR)

 

 

Th3

CN_TH3(INDOOR)

 

 

 

 

Th4

Thermistor for outdoor air temperature

CN_TH2(OUTDOOR)

 

 

Th5

Thermistor for condensing temperature

 

 

 

 

Th6

Thermistor for discharge pipe temperature

CN_TH3(OUTDOOR)

 

 

Th7

Thermistor for suction pipe temperature

 

 

 

 

Copyright ©2007 LG Electronics. Inc. All right reserved.

- 3 -

Only for training and service purposes

LGE Internal Use Only

 

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