Post on 23-Apr-2018
- 1 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
Room Air ConditionerSVC MANUAL(Exploded View)MODEL : AS-W303DGH0(LS305HV)
CAUTIONBefore Servicing the unit, read the safety precautions in General SVC manual.Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
- 2 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
1. Specification
Cooling Capacity kW(Min~Rating~Max) Btu/hHeating Capacity kW(Min~Rating~Max) Btu/hPower Input Cooling/Heating WRunning Current Cooling/Heating AStarting Current Cooling/Heating AEER W/W
Btu/h.WCOP W/WPower Supply Ø / V / HzPower Factor %Air Flow Rate Indoor,Max m3/min(cfm)
Outdoor,Max m3/min(cfm)Moisture Removal l/hSound Level Indoor,H/M/L dB(A)+3
Outdoor,Max dB(A)+3Refrigerant & Charge(at 7.5m) g(oz)Additional Refrigerant Charge g/m(oz/ft)Compressor Type
ModelMotor TypeOil TypeOil Charge ccO.L.P Name
Fan(Indoor) TypeMotor Output W
Fan(outdoor) TypeMotor TypeMotor Output W
Circuit Breaker* APower Supply Cable No.*mm2
Power and Transmission Cable No.*mm2+No.*mm2
Piping Liquid Side mm(in)Connections Gas Side mm(in)Drain Hose O.D , I.D mm(in)Dimension Indoor(W*H*D) mm
inchOutdoor(W*H*D) mm
inchNet Weight Indoor kg(lbs)
Outdoor kg(lbs)Operation Range Cooling(Outdoor) °C(°F)
Heating(Outdoor) °C(°F)Max. Piping Length m(ft)Max. Elevation Difference m(ft)Tool Code(Chassis) Indoor + OutdoorFunctions Temperature Control
Plasma FilterPrefilter(washable/anti-fungus)Auto CleanCHAOS Wind(Auto Wind)Steps, Fan/Cool/HeatAirflow Direction Control(up&down)Airflow Direction Control(left&right)Remocon TypeSetting Temperature CoolingRange HeatingAuto Operation (Micom Control)Auto Changeover (Micom Control)Self DiagnosisTimerSleep OperationSoft Dry OperationRestart Delay(minute)Deice Control(Defrost)Hot StartJet CoolLow Ambient OperationSpecial Function
Network Functions Dry ContactNetwork Solution(LGAP)PI485
Models AS-W303DGH03.5~7.9~7.9
12000~27000~270003.5~8.5~8.5
12000~29000~290003100/320013.6/14.013.1/14.0
2.558.712.66
1/208~230/6097
21(742)58(2048)
2.847/43/41
58R410A 1830(64.6)
20(0.22)SCROLL + ROTARY
5CS130XCC03 + GK141KAABLDC + AC
POE480 + 350
-Cross Flow Fan
91Propeller
AC14030
3*2.084*0.82
6.35(1/4)15.88(5/8)
21.5,16(0.85,0.63)1209*346*20547.6*13.6*8.1800*870*320
31.5*34.3*12.617(37.5)67(147.7)
-5°C~43°C (23~109.4) -5°C~27°C(23~80.6)
30(98.4)15(49)
SD+UE1Thermistor
NeoOO
O(-)3/4/4Auto
ManualWireless LCD
18 ~ 3016 ~ 30
-OO
24h, On/OffOO2OOOO----
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.
- 3 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
2. Piping Diagrams
INDOOR UNIT OUTDOOR UNIT
HEATEXCHANGE(EVAPORATOR)
HEATEXCHANGE(CONDENSER)
EEV
COMPRESSOR
ACCUMULATOR
GAS SIDE
3-WAY VALVE
LIQUID SIDE
3-WAY VALVETh2
Th1
COOLING
HEATING
REVERSINGVALVE
Th5 Th6
Th7Th9
Th3
Th8Constant Inverter
❈ EEV : Electronic Expansion Valve
LOC. Description PCB Connector
Th1 Thermister for indoor air temperatureCN-TH1(Indoor)
Th2 Thermister for indoor pipe(in) temperature
Th3 Thermister for Indoor pipe(out) temperature CN-TH2(Indoor)
Th4 Thermister for outdoor heat sink temperature CN-TH1(Outdoor)
Th5 Thermister for outdoor pipe temperatureCN-TH2(Outdoor)
Th6 Thermister for outdoor air temperature
Th7 Thermister for outdoor discharge pipe temperature(Inverter)CN-TH3(Outdoor)
Th8 Thermister for outdoor suction pipe temperature (Inverter)
Th9 Thermister for outdoor discharge pipe temperature(Constant) CN-TH4 (Outdoor)
- 4 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
3. Wiring Diagrams
CN-MOTOR1 CN-L/R(BL)
CN-TH1
CN-DISP1(WH)
CN-DISP2(BL)CN-HVBCN-U/D(WH)
CN-12V
CN-TH2
Indoor Unit
- 5 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
CN_4WAY
CN_OIL/S
CN_PRESS
CN_FAN(A)
CN-COIL1CN-COIL2
CN_LEV1
CN_TH4CN_TH3
CN_TH2CN_TH1
Outdoor Unit
- 6 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
Indoor Unit
4. Exploded View
152302
159830 342800
359011
131410
135511 733010
249951
135311
147581AUpper
Lower147581B
135516
268711A
146811B
W6640
346810
266090
567480C
268711C
267110135314
149304
152313
135316
146811A
567480A
35211B
354210B
352150
354210A
Part forPlasma Model
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,)
- 7 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
Outdoor Unit
4355
11
5660
00
5541
60A
5501
40
5521
16
5541
60C
5674
80E
5522
03A
5521
135522
04
5522
03B
5540
3156
7480
D
5585
11
4355
12
5590
10
3496
00B
4353
01
3494
80
5468
10
4479
10
4372
10
4304
10
4372
11
1525
03
5484
90
1372
13B
1372
13A
4353
00
2617
04
5521
13
2499
51
5522
04
5674
80G
5521
11
5521
15
5614
10
5585
11F
3496
00A
CONS
DISC
HARG
E
INTER
NAL
OLP T
YPE
COMP
RESS
ORIN
TERN
AL
OLP
TYP
E CO
MPR
ESSO
R
INV.
DISC
HARG
ESU
CTIO
N 6614
00
AIR/
TUBE
SEN
SOR
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,)
- 8 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
P/NO : 3828A20195Y DECEMBER, 2007