LG ASNW303DGU1 Owner's manual

LG
Brand
LG
Model
ASNW303DGU1
Category
Split-system air conditioners
Type
Owner's manual

This manual is also suitable for

LG ASNW303DGU1 is a powerful air conditioner with a range of features to keep you comfortable all year round. With a cooling capacity of 3000-3100 W and a heating capacity of 3070-32000 W, it can quickly and efficiently cool or heat a room. The EER of 9.5 and SEER of 10 indicate the unit's high energy efficiency, which can help you save on your energy bills.

The ASNW303DGU1 also features a number of user-friendly features, such as a wireless LCD remote control, auto clean function, and sleep operation. The auto clean function helps to keep the unit clean and free of bacteria, while the sleep operation mode helps to reduce noise and create a more comfortable sleeping environment.

LG ASNW303DGU1 is a powerful air conditioner with a range of features to keep you comfortable all year round. With a cooling capacity of 3000-3100 W and a heating capacity of 3070-32000 W, it can quickly and efficiently cool or heat a room. The EER of 9.5 and SEER of 10 indicate the unit's high energy efficiency, which can help you save on your energy bills.

The ASNW303DGU1 also features a number of user-friendly features, such as a wireless LCD remote control, auto clean function, and sleep operation. The auto clean function helps to keep the unit clean and free of bacteria, while the sleep operation mode helps to reduce noise and create a more comfortable sleeping environment.

Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : AS-W363DGU1(Set)
ASNW363DGU1
ASUW363DGU1
AS-W303DGU1(Set)
ASNW303DGU1
ASUW303DGU1
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
- 2 -
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Note :
O : Applie, X : Not applied, – : No relation
• Filters are optional in some specific areas.
• For Circuit Breaker Rating, please conform to local standards whenever necessary.
1. Product Specifications
Sales Model LS307HV LS360HV
Models Unit AS-W303DGU1 AS-W363DGU1
Cooling Capacity
kW 0.90 ~ 8.79 ~ 9.46 0.90 ~ 9.67 ~ 9.96
Btu/h. 3,070 ~ 30,000 ~ 32,300 3,070 ~ 33,000 ~ 34,000
Heating Capacity
kW 0.90 ~ 9.38 ~ 10.81 0.90 ~ 10.32 ~ 11.40
Btu/h. 3,070 ~ 32,000 ~ 36,900 3,070 ~ 35,200 ~ 38,900
Power Input Cooling/Heating W 3,000/3,100 4,035/3,840
Running Current Cooling/Heating A 13.4/13.9 17.0/16.2
Starting Current Cooling/Heating A 13.4/13.9 17.0/16.2
EER
W/W 2.93 2.4
Btu/h.W 10 8.2
SEER 18 16.1
HSPF 9.5 9.9
Power Supply Ø / V / Hz 1/208-230/60 1/208-230/60
Power Factor % 97.3 98.2
Air Flow Rate
Indoor,Max m3/min(CFM) 25(883) 25(883)
Outdoor,Max m3/min(CFM) 60(2,119) 60(2,119)
Moisture Removal l/h. 4.6 4.8
Sound Level
Indoor,H/M/L dB(A)±3 48/44/39/37 49/44/39/37
Outdoor,Max dB(A)±3 55 55
Refrigerant & Charge (at 7.5 m) g(oz) R410A, 2,000(70.5) R410A, 2,000(70.5)
Additional Refrigerant charge g/m(oz/ft) 35(0.38) 35(0.38)
Compressor
Type Twin Rotary Twin Rotary
Model GJT240DAA GJT240DAA
Motor Type Brushless DC Motor Brushless DC Motor
Oil Type PVE(FVD68C) PVE(FVD68C)
Oil Charge cc 900 900
O.L.P. name --
Fan(Indoor)
Type Cross Flow Fan Cross Flow Fan
Motor Output W BLDC BLDC
Fan(Outdoor)
Type 76.1 76.1
Motor Type Propeller, Fan Propeller, Fan
Motor Output W BLDC BLDC
Circuit Breaker* A 124 124
Power Supply Cable No.*mm2 25 25
Power and Transmission Cable No.*mm2 No.*mm2 3*2.5 3*2.5
Piping Connections
Liquid Side mm(in) 9.52(3/8) 9.52(3/8)
Gas Side mm(in) 15.88(5/8) 15.88(5/8)
Drain Hose(O.D / I.D.) mm(in) 21.5 / 16.0(0.85 / 0.63) 21.5 / 16.0(0.85 / 0.63)
Dimensions
Indoor (W*H*D)
mm 1209*346*205 1209*346*205
inch 47-5/8*13-5/8*8-1/16 47-5/8*13-5/8*8-1/16
Outdoor (W*H*D)
mm 870*800*320 870*800*320
inch 34-5/16*31-1/2*12-5/8 34-5/16*31-1/2*12-5/8
Net Weight
Indoor kg(lbs) 18(39.7) 18(39.7)
Outdoor kg(lbs) 60(132.3) 60(132.3)
Gross Weight
Indoor kg(lbs) 20(44.1) 20(44.1)
Outdoor kg(lbs) 64(141.1) 64(141.1)
Operation Range
Cooling(Outdoor) °C(℉) -10~48(14~118.4) -10~48(14~118.4)
Heating(Outdoor) °C(℉) -10~24(14.0~75.2) -10~24(14.0~75.2)
Piping Length (Min/Max) m(ft) - / 30(98.4) - / 30(98.4)
Chargeless m(ft) - -
Max. Elevation Difference m(ft) 15(49.2) 15(49.2)
Tool Code(Chassis) Indoor + Outdoor SD + UE1+ SD + UE1+
Functions
Temperature Control Thermistor Thermistor
Allergy free filter O O
Plasma Filter OO
Prefilter(washable/anti-fungus) O O
Auto Clean OO
CHAOS Wind(Auto Wind) O O
Steps, Fan/Cool/Heat 3/4/3 3/4/3
Airflow Direction Control(up& Down) Auto Auto
Airflow Direction Control(left & right) Auto Auto
Remote Controller Type Wireless LCD(EZ-Remocon) Wireless LCD(EZ-Remocon)
Setting Temperature
Range
Cooling 18°C ~ 30°C 18°C ~ 30°C
Heating 16°C ~ 30°C 16°C ~ 30°C
Auto Operation (Micom Control) - -
Auto Changeover (Micom Control) O O
Self Diagnosis OO
Timer 24h, On/Off 24h, On/Off
Sleep Operation O O
Soft Dry Operation O O
Restart Delay(minute) 3 3
Deice Control(Defrost) O O
Hot Start OO
Jet Cool OO
Low Ambient Operation O O
Special Function - -
- 3 -
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. Piping Diagrams
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Compressor
Accumulator
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Cooling
Heating
Reversing Valve
EEV
Th1
Th2
Th7
Th3
Th8
Th9
Th6
Th4
Th5
LOC. Description PCB Connector
Th1 Thermistor for suction air temperature
CN-TH1(Indoor)
Th2 Thermistor for evaporator inlet temperature
Th3 Thermistor for evaporator outlet temperature CN-TH2(Indoor)
Th4 Thermistor for evaporator middle temperature CN-TH3(Indoor)
Th5 Thermistor for discharge pipe temperature
CN-TH3(OUTDOOR)
Th6 Thermistor for suction pipe temperature
Th7 Thermistor for condensing temperature
CN-TH2(OUTDOOR)
Th8 Thermistor for outdoor air temperature
Th9 Thermistor for condensing middle temperature CN-TH4(OUTDOOR)
※ EEV : Electronic Expansion Valve
- 4 -
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Wiring Diagrams
RY-COMP(3)
CN-TH2
CN-TH3
CN-TH1
CN-L/R
CN-U/D
CN-12V
CN-HVB
CN-DISP3
CN-DISP1
CN-IN/N
CN-OPTION
Indoor Unit
- 5 -
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Outdoor Unit
- 6 -
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Exploded View
152302
159830
342800
359011
131410
135511
733010
135500
249951
135311
354212
147581A
147581B
145200B
135516
268711A
145200A
147582
337000
146811B
346810
266090
263230C
268711B
268711C
267110
135314
149304
152313
135316
146811A
352150
354210A
W51620B
W51620A
Part for
Plasma Model
Upper
Lower
237900
354210B
35211B
W6631
263230A
263230B
W6640A
W50400
W50400
Indoor Unit
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 ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Outdoor Unit
552202
W4810
559010
552115
554031
554160
137213A
435300
137213B
435301
349480
437211
435512
437210
435511B
552203A
552203B
549610
447910
552117
661400
55211G
649950
552113
263230A
263230C
263230B
435511A
268711
352111B
430410
346810
561410
552116
W6640
550140
W6631A
152503
135500
W49810
552200
P/NO : MFL33984927
JULY, 2010
US
1. Please call the installing contractor of your product, as warranty service will be provided by them.
2.
If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026.
CANADA
Service call Number # : (888) LG Canada, (888) 542-2623
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LG ASNW303DGU1 Owner's manual

LG
Brand
LG
Model
ASNW303DGU1
Category
Split-system air conditioners
Type
Owner's manual
This manual is also suitable for

LG ASNW303DGU1 is a powerful air conditioner with a range of features to keep you comfortable all year round. With a cooling capacity of 3000-3100 W and a heating capacity of 3070-32000 W, it can quickly and efficiently cool or heat a room. The EER of 9.5 and SEER of 10 indicate the unit's high energy efficiency, which can help you save on your energy bills.

The ASNW303DGU1 also features a number of user-friendly features, such as a wireless LCD remote control, auto clean function, and sleep operation. The auto clean function helps to keep the unit clean and free of bacteria, while the sleep operation mode helps to reduce noise and create a more comfortable sleeping environment.

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