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

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.

Internal Use Only

http://biz.lgservice.com

1. Specification

Models

Cooling Capacity kW

Heating Capacity kW

Power Input Cooling/Heating W
Running Current Cooling/Heating A
Starting Current Cooling/Heating A
EER W/W

COP W/W
Power Supply Ø / V / Hz
Power Factor %
Air Flow Rate Indoor,Max m3/min(CFM)

Moisture Removal l/h.
Sound Level Indoor,H/M/L dB(A)+3

Refrigerant & Charge (at 7.5 m) g(oz)
Additional Refrigerant charge g/m(oz/ft)
Compressor Type

Fan(Indoor) Type

Fan(Outdoor) Type

Circuit Breaker* A
Power Supply Cable AWG
Power and Transmission Cable No.*mm2+ AWG
Piping Connections Liquid Side mm(in)

Drain Hose O.D., I.D. mm(in)
Dimensions Indoor (W*H*D) mm

Net Weight Indoor kg(lbs)

Operation Range Cooling(Outdoor) ˚C(˚F)

Max. Piping Length m(ft)
Max. Elevation Difference m(ft)
Tool Code(Chassis) Indoor + Outdoor
Functions Temperature Control

Network Functions Dry Contact

Outdoor,Max m3/min(CFM)

Outdoor,Max dB(A)+3

Model
Motor Type
Oil Type
Oil Charge cc
O.L.P. name

Motor Output W

Motor Type
Motor Output W

Gas Side mm(in)

Outdoor (W*H*D) mm

Outdoor kg(lbs)

Heating(Outdoor) ˚C(˚F)

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

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

Network Solution
PI485

Btu/h.

Btu/h.

Btu/h.W

inch

inch

Heating

AS-W1838RH0 [LA185HV] AS-W2438RH0 [LA245HV]

1.76~5.28~5.80 3.87~7.03~7.74

6,005~18,000~19,790 13,200~24,000~26,400

1.40~6.07~6.65 3.37~8.09~8.88

4,776~20,700~22,690 11,500~27,600~30,300

1,640/1,770 2,450/2,900

7.3/8.3 11.0/13.0

7.3/8.3 11.0/13.0

3.22 2.87

11.0 9.8

3.43 2.79

1/208-230/60 1/208-230/60

98 97

18.5(650) 20.3(717)
42(1,483) 58(2,048)

2.1 2.7

40/38/34 45/40/37

53 54

R410A, 1,200(42) R410A, 1,800(63.5)

Rotary Rotary

5CS130XCA03 5KD240XCA21

BLDC BLDC

RB68A FV50S

360 900

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

20(0.22) 30(0.32)

-­Cross Flow Fan Cross Flow Fan

20 24

Propeller Propeller

AC Induction AC Induction

79 79
20 25
14 12
18 18

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

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

21.5,16(0.85,0.63) 21.5,16(0.85,0.63)
1,107*299*200 1,107*299*200

43.6*11.8*7.9 43.6*11.8*7.9
870*655*320 870*800*320

34.3*25.8*12.6 34.3*34.6*12.6

14.1(31.1) 14.1(31.1)
46(101.4) 60(132.3)

-10 ~ 24 (14.0 ~ 75.2) -10 ~ 24 (14.0 ~ 75.2)
15(49) 30(98)

7(23) 15(49)

S8 + UE S8 + UE1

Thermistor Thermistor

NEO NEO

OO
OO
OO

3/4/4 3/4/4

Auto Auto
Auto Auto

Wireless LCD Wireless LCD
18 ~ 30 (64~86) 18 ~ 30 (64~86)
16 ~ 30 (60~86) 16 ~ 30 (60~86)

-­OO
OO

24h On/Off 24h On/Off

OO
OO

22
OO
OO
OO
OO

--

--

--

--

Note:

O

: Applied, - : No relation

*

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

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

❈

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

- 2 -

Only for training and service purposes

LGE Internal Use Only

2. Piping Diagrams

Indoor Unit Outdoor Unit

Liquid Side

EEV

Th1

Th2

2-Way Valve

Heat
Exchanger
(Evaporator)

Th3

Gas Side

3-Way Valve

Accumulator

Th7

Compressor

LOC. Description PCB Connector

Th1 Thermistor for indoor air temperature CN_TH1(INDOOR)

Th2

CN_TH2(INDOOR)

Thermistor for evaporating temperature

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

Heat
Exchanger
(Condenser)

Th4

Th5

Reversing Valve

Th6

Cooling

Heating

Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

- 3 -

LGE Internal Use Only