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System Outdoor Unit SERVICE MANUAL R410A (Exploded View) MODEL : ARWN Series ARWB Series CAUTION Before Servicing the units, read the safety precautions in General SVC manual. Only for authorized service personnel. Internal Use Only http://biz.lgservice.com R410A

2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

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Page 1: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

SystemOutdoor Unit SERVICE MANUAL R410A(Exploded View)MODEL : ARWN Series ARWB Series

CAUTIONBefore Servicing the units, read the safety precautions in General SVC manual.Only for authorized service personnel.

Internal Use Only

http://biz.lgservice.com

R410A

Page 2: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

1. Specifications ...............................................................................3

2. Functions.....................................................................................11

3. Dimensions .................................................................................12

4. Piping Diagrams .........................................................................14

5. Wiring Diagrams.........................................................................21

6. Exploded View ............................................................................34

ARWN / ARWB Series

- 2 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 3: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

1. Specification

Specification

1.1 Heat Pump(208/230V)

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz2. Capacities are net capacities3. Due to our policy of innovation some specifications may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

8 16 24 ARWN072BA2 ARWN144BA2 ARWN216BA2 ARWN072BA2 ARWN144BA2 ARWN144BA2 ARWN072BA2 21.1 42.2 63.3 72,000 144,000 216,000 23.7 47.5 71.2 81,000 162,000 243,000 4.4 8.8 13.2 4.55 9.14 13.69 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (3.8)×1 (6.2)×1 (6.2)×1 + (3.8)×1 (21.13)×1 (42.27)×1 (42.27)×1 + (21.13)×1 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable)×1 (Variable + Fixed)×1 (Variable + Fixed)×1 + (Variable)×1 (38.3)×1 (38.3 + 59.8)×1 (38.3 + 59.8)×1 + (38.3)×1 (3,600)×1 (3,600 + 3,500)×1 (3,600 + 3,500)×1 + (3,600)×1 (4.13)×1 (4.13 + 5.28)×1 (4.13 + 5.28)×1 + (4.13)×1 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8)×1 (78.8 + 78.8)×1 (78.8 + 78.8)×1 + (78.8)×1 3/8(9.52) 1/2(12.7) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) 1-3/8(34.9) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×2 (772×1,120×547)×1 (772×1,120×547)×1 (772×1,120×547)×2 (374.8)×1 (524.7)×1 (524.7)×1 + (374.8)×1 (170)×1 (238)×1 (238)×1 + (170)×1 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 16.1(7.3) 19.4(8.8) 19.4(8.8) + 16.1(7.3) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 16 32 49 3/208, 230/60 3/208, 230/60 3/208, 230/60

- 3 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 4: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 4 -

Specification

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz2. Capacities are net capacities3. Due to our policy of innovation some specifications may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

32 40 48 ARWN288BA2 ARWN360BA2 ARWN432BA2 ARWN144BA2 ARWN144BA2 ARWN144BA2 ARWN144BA2 ARWN144BA2 ARWN144BA2 ARWN072BA2 ARWN144BA2 84.4 105.5 126.6 288,000 360,000 432,000 95.0 118.7 142.4 324,000 405,000 486,000 17.6 22.0 26.4 18.28 22.83 27.38 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (6.2)×2 (6.2)×2 + (3.8)×1 (6.2)×3 (42.27)×2 (42.27)×2 + (21.13)×1 (42.27)×3 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable + Fixed)×2 (Variable + Fixed)×2 + (Variable)×1 (Variable + Fixed)×3 (38.3 + 59.8)×2 (38.3 + 59.8)×2 + (59.8)×1 (38.3 + 59.8)×3 (3,600 + 3,500)×2 (3,600 + 3,500)×2 + (3,600)×1 (3,600 + 3,500)×3 (4.13 + 5.28)×2 (4.13 + 5.28)×2 + (4.13)×1 (4.13 + 5.28)×3 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8 + 78.8)×2 (78.8 + 78.8)×2 + (78.8)×1 (78.8 + 78.8)×3 3/4(19.05) 3/4(19.05) 3/4(19.05) 1-5/8(41.3) 1-5/8(41.3) 1-5/8(41.3) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×2 (30-13/32×44-3/32×21-1/2)×3 (30-13/32×44-3/32×21-1/2)×3 (772×1,120×547)×2 (772×1,120×547)×3 (772×1,120×547)×3 (524.7)×2 (524.7)×2 + (374.8)×1 (524.7)×3 (238)×2 (238)×2 + (170)×1 (238)×3 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 19.4(8.8) + 19.4(8.8) 19.4(8.8) + 19.4(8.8) + 16.1(7.3) 19.4(8.8) + 19.4(8 8) + 19.4(8.8) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 64 64 64 3/208, 230/60 3/208, 230/60 3/208, 230/60

Page 5: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Specification

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 5 -

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz2. Capacities are net capacities3. Due to our policy of innovation some specifications may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

1.2 Heat Pump(460V) HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

10 20 30 ARWN096DA2 ARWN192DA2 ARWN290DA2 ARWN096DA2 ARWN192DA2 ARWN192DA2 ARWN096DA2 28.0 56.0 84.0 95,900 191,100 286,600 31.5 63.0 94.5 107,500 225,000 322,500 5.6 11.2 16.8 5.8 11.7 17.5 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (3.8)×1 (6.2)×1 (6.2)×1 + (3.8)×1 (25.36)×1 (50.72)×1 (50.72)×1 + (25.36)×1 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable)×1 (Variable + Fixed)×1 (Variable + Fixed)×1 + (Variable)×1 (52.0)×1 (52.0 + 81.0)×1 (52.0 + 81.0)×1 + (52.0)×1 (3,600)×1 (3,600 + 3,469)×1 (3,600 + 3,469)×1 + (3,600)×1 (5.4)×1 (5.4 + 6.4)×1 (5.4 + 6.4)×1 + (5.4)×1 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8)×1 (78.8 + 78.8)×1 (78.8 + 78.8)×1 + (78.8)×1 3/8(9.52) 1/2(12.7) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) 1-3/8(34.9) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×2 (772×1,120×547)×1 (772×1,120×547)×1 (772×1,120×547)×2 (374.8)×1 (524.7)×1 (524.7)×1 + (374.8)×1 (170)×1 (238)×1 (238)×1 + (170)×1 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 16.1(7.3) 19.4(8.8) 19.4(8.8) + 16.1(7.3) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 16 32 49 3/460/60 3/460/60 3/460/60

Page 6: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz2. Capacities are net capacities3. Due to our policy of innovation some specifications may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

- 6 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Specification

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

40 50 60 ARWN390DA2 ARWN480DA2 ARWN580DA2 ARWN192DA2 ARWN192DA2 ARWN192DA2 ARWN192DA2 ARWN192DA2 ARWN192DA2 ARWN096DA2 ARWN192DA2 112.0 140.0 168.0 382,200 477,800 573,400 126.0 157.5 189.0 429,900 537,500 645,000 22.4 28 33.6 23.4 29.2 35.0 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (6.2)×2 (6.2)×2 + (3.8)×1 (6.2)×3 (50.72)×2 (50.72)×2 + (25.36)×1 (50.72)×3 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable + Fixed)×2 (Variable + Fixed)×2 + (Variable)×1 (Variable + Fixed)×3 (52.0 + 81.0) × 2 (52.0 + 81.0) × 2 + (52.0)×1 (52.0 + 81.0) × 3 (3,600 + 3,469)×2 (3,600 + 3,469)×2 + (3,600)×1 (3,600 + 3,469)×3 (5.4 + 6.4)×2 (5.4 + 6.4) × 2 + (5.4)×1 (5.4 + 6.4) × 3 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8 + 78.8)×2 (78.8 + 78.8)×2 + (78.8)×1 (78.8 + 78.8)×3 3/4(19.05) 3/4(19.05) 3/4(19.05) 1-5/8(41.3) 1-5/8(41.3) 1-5/8(41.3) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×2 (30-13/32×44-3/32×21-1/2)×3 (30-13/32×44-3/32×21-1/2)×3 (772×1,120×547)×2 (772×1,120×547)×3 (772×1,120×547)×3 (524.7)×2 (524.7)×2 + (374.8)×1 (524.7)×3 (238)×2 (238)×2 + (170)×1 (238)×3 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 19.4(8.8) + 19.4(8.8) 19.4(8.8) + 19.4(8.8) + 16.1(7.3) 19.4(8.8) + 19.4(8 8) + 19.4(8.8) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 64 64 64 3/460/60 3/460/60 3/460/60

Page 7: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz

2. Capacities are net capacities3. Further improvement our policy of innovation some specifica-

tions may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

1.3 Sync.(208/230V)

- 7 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Specification

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Low Pressure Gas inch(mm) High Pressure Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

8 16 24 ARWB072BA2 ARWB144BA2 ARWB216BA2 ARWB072BA2 ARWB144BA2 ARWB144BA2 ARWB072BA2 21.1 42.2 63.3 72,000 144,000 216,000 23.7 47.5 71.2 81,000 162,000 243,000 4.4 8.8 13.2 4.55 9.14 13.69 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (3.8)×1 (6.2)×1 (6.2)×1 + (3.8)×1 (21.13)×1 (42.27)×1 (42.27)×1 + (21.13)×1 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable)×1 (Variable + Fixed)×1 (Variable + Fixed)×1 + (Variable)×1 (38.3)×1 (38.3 + 59.8)×1 (38.3 + 59.8)×1 + (38.3)×1 (3,600)×1 (3,600 + 3,500)×1 (3,600 + 3,500)×1 + (3,600)×1 (4.13)×1 (4.13 + 5.28)×1 (4.13 + 5.28)×1 + (4.13)×1 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8)×1 (78.8 + 78.8)×1 (78.8 + 78.8)×1 + (78.8)×1 3/8(9.52) 1/2(12.7) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) 1-3/8(34.9) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×2 (772×1,120×547)×1 (772×1,120×547)×1 (772×1,120×547)×2 (374.8)×1 (524.7)×1 (524.7)×1 + (374.8)×1 (170)×1 (238)×1 (238)×1 + (170)×1 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 16.1(7.3) 19.4(8.8) 19.4(8.8) + 16.1(7.3) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 16 32 49 3/208, 230/60 3/208, 230/60 3/208, 230/60

Page 8: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz

2. Capacities are net capacities3. Further improvement our policy of innovation some specifica-

tions may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

- 8 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Specification

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Low Pressure Gas inch(mm) High Pressure Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

32 40 48 ARWB288BA2 ARWB360BA2 ARWB432BA2 ARWB144BA2 ARWB144BA2 ARWB144BA2 ARWB144BA2 ARWB144BA2 ARWB144BA2 ARWB072BA2 ARWB144BA2 84.4 105.5 126.6 288,000 360,000 432,000 95.0 118.7 142.4 324,000 405,000 486,000 17.6 22.0 26.4 18.28 22.83 27.38 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (6.2)×2 (6.2)×2 + (3.8)×1 (6.2)×3 (42.27)×2 (42.27)×2 + (21.13)×1 (42.27)×3 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable + Fixed)×2 (Variable + Fixed)×2 + (Variable)×1 (Variable + Fixed)×3 (38.3 + 59.8)×2 (38.3 + 59.8)×2 + (59.8)×1 (38.3 + 59.8)×3 (3,600 + 3,500)×2 (3,600 + 3,500)×2 + (3,600)×1 (3,600 + 3,500)×3 (4.13 + 5.28)×2 (4.13 + 5.28)×2 + (4.13)×1 (4.13 + 5.28)×3 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8 + 78.8)×2 (78.8 + 78.8)×2 + (78.8)×1 (78.8 + 78.8)×3 3/4(19.05) 3/4(19.05) 3/4(19.05) 1-5/8(41.3) 1-5/8(41.3) 1-5/8(41.3) 1-3/8(34.9) 1-3/8(34.9) 1-3/8(34.9) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) 20mm (internal thread) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×2 (30-13/32×44-3/32×21-1/2)×3 (30-13/32×44-3/32×21-1/2)×3 (772×1,120×547)×2 (772×1,120×547)×3 (772×1,120×547)×3 (524.7)×2 (524.7)×2 + (374.8)×1 (524.7)×3 (238)×2 (238)×2 + (170)×1 (238)×3 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 19.4(8.8) + 19.4(8.8) 19.4(8.8) + 19.4(8.8) + 16.1(7.3) 19.4(8.8) + 19.4(8 8) + 19.4(8.8) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 64 64 64 3/208, 230/60 3/208, 230/60 3/208, 230/60

Page 9: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

- 9 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Specification

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz

2. Capacities are net capacities3. Further improvement our policy of innovation some specifica-

tions may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

1.4 Sync.(460V) HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Low Pressure Gas inch(mm) High Pressure Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

10 20 30 ARWB096DA2 ARWB192DA2 ARWB290DA2 ARWB096DA2 ARWB192DA2 ARWB192DA2 ARWB096DA2 28.0 56.0 84.0 95,900 191,100 286,600 31.5 63.0 94.5 107,500 225,000 322,500 5.6 11.2 16.8 5.8 11.7 17.5 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (3.8)×1 (6.2)×1 (6.2)×1 + (3.8)×1 (25.36)×1 (50.72)×1 (50.72)×1 + (25.36)×1 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable)×1 (Variable + Fixed)×1 (Variable + Fixed)×1 + (Variable)×1 (52.0)×1 (52.0+81.0)×1 (52.0+81.0)×1 + (52.0)×1 (3,600)×1 (3,600 + 3,469)×1 (3,600 + 3,469)×1 + (3,600)×1 (5.4)×1 (5.4 + 6.4)×1 (5.4 + 6.4)×1 + (5.4)×1 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8)×1 (78.8 + 78.8)×1 (78.8 + 78.8)×1 + (78.8)×1 3/8(9.52) 1/2(12.7) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) 1-3/8(34.9) 3/4(19.05) 7/8(22.2) 1-1/8(28.58) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) PT32A (Female) PT40A (Female) PT40A + PT32A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×1 (30-13/32×44-3/32×21-1/2)×2 (772×1,120×547)×1 (772×1,120×547)×1 (772×1,120×547)×2 (374.8)×1 (524.7)×1 (524.7)×1 + (374.8)×1 (170)×1 (238)×1 (238)×1 + (170)×1 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 16.1(7.3) 19.4(8.8) 19.4(8.8) + 16.1(7.3) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 16 32 49 3/460/60 3/460/60 3/460/60

Page 10: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Specification

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 10 -

Notes:1. Capacities and Inputs are based on the following conditions Cooling : Indoor temp. 27°C [80.6°F]DB/19°C[66.2°F]WB Water inlet temp. 30°C[86°F] Heating : Indoor temp. 20°C[68°F]DB

Water Inlet temp. 20°C[68°F] * Interconnecting Piping Length 26.4ft * Level Difference of Zero * Power Supply Hertz 60Hz

2. Capacities are net capacities3. Further improvement our policy of innovation some specifica-

tions may be changed without notification4. Recommend operation temp: Outdoor 0~40°C [32~104°F]

HP(Equivalent horsepower) HP Model Name Combination Unit Independent Unit

Capacity Cooling kW Btu/h Heating kW Btu/h Input Power Cooling kW Heating kW Casing Color Heat Exchanger Type Maximum Pressure Resistance psia Head Loss psia Rated Water Flow GPM Compressor Type Combination Piston Displacement cm3/rev Number of Revolution(@60Hz) rev/min Motor Output kW Starting Method Oil Type Oil Charge Amount oz Refrigerant Liquid inch(mm) Connecting Pipes Low Pressure Gas inch(mm) High Pressure Gas inch(mm) Water Inlet Connecting Pipes Outlet Drain Outlet Dimension(W×H×D) inch mm Net Weight lb kg Transmission Cable(CVV-SB) mm2

Refrigerant Name Charge Amount lb(kg) Control Device Range of Cooling ℉/℃ Operation Heating ℉/℃ Water Temp. Simulaneous ℉/℃ Maximum Connectable No. of Indoor Units Power Supply Ø/V/Hz

40 50 60 ARWB390DA2 ARWB480DA2 ARWB580DA2 ARWB192DA2 ARWB192DA2 ARWB192DA2 ARWB192DA2 ARWB192DA2 ARWB192DA2 ARWB096DA2 ARWB192DA2 112.0 140.0 168.0 382,200 477,800 573,400 126.0 157.5 189.0 429,900 537,500 645,000 22.4 28 33.6 23.4 29.2 35.0 Warm Gray Warm Gray Warm Gray Stainless Steel Plate Stainless Steel Plate Stainless Steel Plate 640 640 640 (6.2)×2 (6.2)×2 + (3.8)×1 (6.2)×3 (50.72)×2 (50.72)×2 + (25.36)×1 (50.72)×3 Hermetic Scroll Hermetic Scroll Hermetic Scroll (Variable + Fixed)×2 (Variable + Fixed)×2 + (Variable)×1 (Variable + Fixed)×3 (52.0+81.0)×2 (52.0 + 81.0) × 2 + (52.0)×1 (52.0+81.0)×3 (3,600 + 3,469)×2 (3,600 + 3,469)×2 + (3,600)×1 (3,600 + 3,469)×3 (5.4 + 6.4)×2 (5.4 + 6.4)×2 + (5.4)×1 (5.4 + 6.4)×3 Direct On Line Direct On Line Direct On Line FVC68D(PVE) FVC68D(PVE) FVC68D(PVE) (78.8 + 78.8)×2 (78.8 + 78.8)×2 + (78.8)×1 (78.8 + 78.8)×3 3/4(19.05) 3/4(19.05) 3/4(19.05) 1-5/8(41.3) 1-5/8(41.3) 1-5/8(41.3) 1-3/8(34.9) 1-3/8(34.9) 1-3/8(34.9) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) PT40A + PT40A (Female) PT40A + PT40A + PT32A (Female) PT40A + PT40A + PT40A (Female) 20mm (Female) 20mm (Female) 20mm (Female) (30-13/32×44-3/32×21-1/2)×2 (30-13/32×44-3/32×21-1/2)×3 (30-13/32×44-3/32×21-1/2)×3 (772×1,120×547)×2 (772×1,120×547)×3 (772×1,120×547)×3 (524.7)×2 (524.7)×2 + (374.8)×1 (524.7)×3 (238)×2 (238)×2 + (170)×1 (238)×3 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 1.0 ~ 1.5 × 2 R410A R410A R410A 19.4(8.8) + 19.4(8.8) 19.4(8.8) + 19.4(8.8) + 16.1(7.3) 19.4(8.8) + 19.4(8 8) + 19.4(8.8) EEV EEV EEV 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 50 ~ 113 / 10 ~ 45 - - - 64 64 64 3/460/60 3/460/60 3/460/60

Page 11: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 11 -

Functions

2. Functions Category Function Single Unit Series Unit

High pressure switch O O Low pressure switch O O Phase protection O O Restart delay(3-minutes) O O Self diagnosis O O Soft start O O Trial operation O O Auto operation(Artificial intelligence) O O Auto restart operation O O Network Solution(LGAP) O O

Reliability

Convenience

CAC network Function

O : Applied X : Not applied - : No reationOption : Model name & price are different according to options, and assembled in factory with main unitAccessory : Installed at field, ordered and purchased separately by the corresponding model name,supplied with separated package.

O : Applied X : Not applied - : No reationOption : Model name & price are different according to options, and assembled in factory with main unitAccessory : Installed at field, ordered and purchased separately by the corresponding model name,supplied with separated package.

Category Device Water II

Simple Central Controller PQCSB101S0 Power Distribution Indicator(PDI) PQNUD1S00 Cool/Heat Selector(Outdoor Unit) PRDSBM Dry contact(Indoor Unit) PQDSB New outdoor dry contact PQDSBCDVM0 CAC Network AC Smart ll PQCSW320A1E ACP PQCPA11A1E/PQCPB11A1E AC Manager PQCSS520A0E LONWORKS Gateway (BNU-LW) PQNFB16A1 Remote controller PQRCVSL0/ PQRCVSL0QW (Wired remote ) PQWRHDF0 (Remote) BACnet Gateway (BNU-BAC) PQNFB17B0 Program LG MV Option

Other Y branch Accessory

Header branch Accessory

Page 12: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

3. Dimensions

Dimensions

D[U

nit :

mm

(inch

)]

: Con

duit

Out

side

Uni

t

AR

WN

096D

A2

AR

WN

192D

A2

AR

WN

072B

A2

AR

WN

144B

A2

58(2

-1/4

)

50(2

)65

8(25

-29/

32)

W

386(

15-3

/16)

77(3

-1/3

2)

63(2

-15/

32)

92(3

-5/8

)

70(2

-3/4

)

15(19/32)

L7

569(22-13/32)L1

L8

32(1-3/13)

L2L3

L4L5

L6

H

15(19/32)

50(2

)

W H D L1 L2 L3 L4 L5 L6 L7

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

772(

30-1

3/32

)

1,12

0(44

-3/3

2)

547(

21-1

7/32

)

1,02

7(40

-7/1

6)

1,05

7(41

-5/8

)

597(

23-1

/2)

445(

17-1

7/32

)

325(

12-1

3/16

)

235(

9-1/

4)

599(

23-1

9/32

)L8

mm

(inch

)68

2(32

-27/

32)

Wat

er In

let

Wat

er O

utle

t

Liqu

id P

ipe

Gas

Pip

e

High

/Low

Pre

ssur

e Co

mm

on

76, S

eong

san-

dong

, Cha

ngw

on C

ity, G

yeon

gnam

,LG

Ele

ctro

nics

US

A, H

VA

C D

ivis

ion

1000

Syl

van

Ave

nue,

Eng

lew

ood

Clif

fs, N

J 07

632

ww

w.lg

usa.

com

/ w

ww

.lghv

ac.c

om64

1-71

3, K

orea

CH

AS

SIS

CO

DE

: UW

B

3-17

/32

2-1/

32

- 12 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 13: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Dimensions

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 13 -

Out

side

Uni

t

AR

WB

096D

A2

AR

WB

192D

A2

AR

WB

072B

A2

AR

WB

144B

A2

58(2

-1/4

)

50(2

)65

8(25

-29/

32)

W

386(

15-3

/16)

77(3

-1/3

2)

63(2

-15/

32)

92(3

-5/8

)

70(2

-3/4

)

15(19/32)

L7

569(22-13/32)L1

32(1-3/13)

L2L3

L4L5

L6

H

15(19/32)

50(2

)

W H D L1 L2

L3 L4 L5 L6 L7

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

mm

(inch

)

772(

30-1

3/32

)

1,12

0(44

-3/3

2)

547(

21-1

7/32

)

1,02

7(40

-7/1

6)

1,05

7(41

-5/8

)

597(

23-1

/2)

445(

17-1

7/32

)

325(

12-1

3/16

)

235(

9-1/

4)

599(

23-1

9/32

)L8

mm

(inch

)68

2(32

-27/

32)

Wat

er In

let

Wat

er O

utle

t

Liqu

id P

ipe

Low

Pres

sure

Gas

Pip

e

High

Pre

ssur

e G

as P

ipe

76, S

eong

san-

dong

, Cha

ngw

on C

ity, G

yeon

gnam

,LG

Ele

ctro

nics

US

A, H

VA

C D

ivis

ion

1000

Syl

van

Ave

nue,

Eng

lew

ood

Clif

fs, N

J 07

632

ww

w.lg

usa.

com

/ w

ww

.lghv

ac.c

om64

1-71

3, K

orea

CH

AS

SIS

CO

DE

: UW

B

D[U

nit :

mm

(inch

)]

: Con

duit

L8

3-17

/32

2-1/

32

Page 14: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 14 -

4. Piping Diagrams

Piping Diagrams

VariablespeedComp.

4.1 Heat Pump Model4.1.1 ARWN072BA2 / ARWN096DA2n Cooling Operation

Page 15: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 15 -

Piping Diagrams

VariablespeedComp.

n Heating Operation

Page 16: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 16 -

VariablespeedComp.

n Oil Return Operation

Page 17: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 17 -

VariablespeedComp.

FixedspeedComp.

4.1.2 ARWN144BA2 / ARWN192DA2n Cooling Operation

Page 18: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 18 -

VariablespeedComp.

FixedspeedComp.

n Heating Operation

Page 19: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 19 -

VariablespeedComp.

FixedspeedComp.

n Oil Return Operation

Page 20: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 20 -

Pressure sensor

Pressure switch

Check valve

EEV

Indoor unit

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

Indoor unit

EEV

Indoor unit

Heat Exch.

O/S

s

Sub-Cooler

By pass

Liquid Injection

Accum

4 Way Valve

FusiblePlug

Outside unit

ss

s

s

s

s

s

s

s

ss

ss

HR unit

Fan

Fan

s

s

EEV

Sensor

Solenoid

Service Valve 4-Way Valve

Strainer

*( ) To be used only for series

(Low pressure G

as Pipe)

(Liquid pipe)

(High pressure G

as Pipe)

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEVHeat Exch.

Fan

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

Hot Gas

Receiver

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Oil return

s

S

VariablespeedComp.

4.2 Sync.4.2.1 ARWB072BA2 / ARWB096DA2n Cooling Mode

Page 21: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 21 -

Pressure sensor

Pressure switch

Check valve

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

O/S

Sub-Cooler

Liquid Injection

4 Way Valve

Outside unit

sss

ss

ss

ss

ss

ss

HR unit

s

s

EEV

Sensor

Solenoid

Service Valve

Strai

*( ) To be used only for series

ner

(Low pressure G

as Pipe)

(Liquid pipe)

(High pressure G

as Pipe)

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

4-Way Valve

Receiver

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Accum

s

Low Pressure Gas Pipe

High Pressure Gas Pipe

s

By pass

FusiblePlug

Hot Gas

Oil return

S

VariablespeedComp.

n Heating Mode

Page 22: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 22 -

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

O/S

s

Sub-Cooler

Liquid Injection

Outside un it

sss

ss

ss

ss

ss

ss

HR unit

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

Cooling"ON"

Cooling"ON"

Cooling"ON"

Heating"ON"

Accum

Receiver

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strainer

4-Way Valve

s

s

By pass

FusiblePlug

Hot Gas

4 Way Valve

Oil return

S

VariablespeedComp.

n Simultaneous Operation Mode 1 (Cooling Based operation)

Page 23: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 23 -

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

Heating"ON"

Heating"ON"

Heating"ON"

Cooling"ON"

O/S

s

Sub-Cooler

Liquid Injection

4 Way Valve

Outside un it

sss

ss

ss

ss

ss

ss

HR unit

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

Accum

Receiver

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strainer

4-Way Valve

s

s

By pass

FusiblePlug

Hot Gas

Oil return

S

VariablespeedComp.

n Simultaneous Operation Mode 2 (Heating Based operation)

Page 24: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 24 -

EEV

Indoor unit

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

Indoor unit

EEV

Indoor unit

Heat Exch.

O/SO/S

Sub-Cooler

Liquid Injection

Accum

4 Way Valve

Outside unit

ss

s

s

s

s

s

s

s

ss

ss

HR unit

Fan

Fan

s s

(Low pressure G

as Pipe)

(Liquid pipe)

(High pressure G

as Pipe)

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEVHeat Exch.

Fan

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Receiver

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strai

*( ) To be used only for series

ner

4-Way Valve

s

s

By passHot Gas

FusiblePlug

Oil return

S

VariablespeedComp.

FixedspeedComp.

4.2.2 ARWB144BA2, ARWB192DA2n Cooling Mode

Page 25: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 25 -

Low Pressure Gas Pipe

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

O/SO/S

Sub-Cooler

Liquid Injection

4 Way Valve

Outside unit

sss

ss

ss

ss

ss

ss

HR unit

s s

(Low pressure G

as Pipe)

(Liquid pipe)

(High pressure G

as Pipe)

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

High Pressure Gas Pipe

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Receiver

Accum

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strai

*( ) To be used only for series

ner

4-Way Valve

s

s

By passHot Gas

FusiblePlugS

Oil return

VariablespeedComp.

FixedspeedComp.

n Heating Mode

Page 26: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 26 -

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

O/SO/S

s s

Sub-Cooler

Liquid Injection

4 Way Valve

Outside unit

sss

ss

ss

ss

ss

ss

HR unit

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

Cooling"ON"

Cooling"ON"

Cooling"ON"

Heating"ON"

Accum

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Receiver

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strainer

4-Way Valve

s

FusiblePlugS

Oil return

s

By passHot Gas

VariablespeedComp.

FixedspeedComp.

n Simultaneous Operation Mode 1 (Cooling Based operation)

Page 27: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Piping Diagrams

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 27 -

High Pressure Gas Pipe

Low Pressure Gas Pipe

Liquid Pipe

EEV

Indoor unit

Fan

Heat Exch.

Heating"ON"

Heating"ON"

Heating"ON"

Cooling"ON"

O/SO/S

s s

Sub-Cooler

Liquid Injection

4 Way Valve

Outside un it

sss

ss

ss

ss

ss

ss

HR unit

: Low temp./Low pressure gas: High temp./High pressure liquid: High temp./High pressure gas

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

EEV

Indoor unit

Fan

Heat Exch.

WaterOutlet Pipe

WaterInlet Pipe

PlateHeat

Exchanger

OutsideAir

Receiver

Accum

Pressure sensor

Pressure switch

Check valves

EEV

Sensor

Solenoid

Service Valve

Strainer

4-Way Valve

s

FusiblePlugS

Oil return

s

By passHot Gas

VariablespeedComp.

FixedspeedComp.

n Simultaneous Operation Mode 2 (Heating Based operation)

Page 28: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 28 -

Wiring Diagrams

ARWN80BA2

5. Wiring Diagrams

Page 29: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 29 -

Wiring Diagrams

ARWN160BA2

Page 30: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 30 -

Wiring Diagrams

ARWN096DA2

Page 31: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 31 -

Wiring Diagrams

ARWN192DA2

Page 32: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 32 -

Wiring Diagrams

ARWN072BA2

Page 33: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 33 -

Wiring Diagrams

ARWN144BA2

Page 34: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 34 -

Wiring Diagrams

ARWB096DA2

Page 35: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 35 -

Wiring Diagrams

ARWB192DA2

Page 36: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 36 -

Wiring Diagrams

ARWB072BA2

Page 37: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 37 -

Wiring Diagrams

ARWB144BA2

Page 38: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 38 -

Wiring Diagrams

n Main PCB

(

(4

(

(

(

(

(220

(

(

(

(

(

(

INVERTER PCB COMMUNICATION TERMINAL)

WAY REVERSING VALVE)

CN09 4WAY

CONSTANT COMP LIQUID VALVE

CN17 LIQ(C)

INVERTER COMP HEATER)

CN10 HEATER(I)

AC FAN POWER SUPPLY)

CN15 AC FAN

CONSTANT COMP MAGNETIC SWITCH)

CN14 MAGNET(C)

V POWER INPUT TERMINAL)

CONSTANT COMP HEATER)

CN11 HEATER(C)

CN16 LIQ(I)

CN08 AC 220 V

JIG POWER TERMINAL : AC 220V)

JIG1, JIG2

CN29 TO INVERTER BOARD

HOT GAS SOLENOID VALVE)

CN13 HOT GAS

SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE)

OUTDOOR ELECTRONIC EXPANSION VALVE)

CN40 EEV-SC

CN38 EEV-OUT

INVERTER COMP LIQUID VALVE

(LOW PRESSURE SENSOR)

CN32 P-SENSOR(L)

(CONSTANT COMP CURRENT SENSOR)

CN27 STD_COMP CT1

SC-OUT

(SC CIRCUIT OUTLET TEMP SENSOR)

SC-IN

SUCTION

(SUCTION TEMPERATURE SENSOR)

DISCHARGE(I)

( INV DISCHARGE TEMP SENSOR)

HEX1

(OUTDOOR HEX TEMP SENSOR 1)

HEX2

CN34

AIR

(OUTDOOR TEMPERATURE SENSOR)

SUCTION

(SUCTION TEMPERATURE SENSOR)

DISCHARGE(C)

CN35

(CONST COMP DISCHARGE TEMP SENSOR)

CN41 CEN CONTROL(CENTRAL CONTROL TERMINAL)

(WATER TEMP SENSOR)

CN05 TO JIG(JIG CONNECTION TERMINAL: LGMV)

CN04 FLASH_WRITE(ONBOARDING TERMINAL)

(AUTO ADDRESSING SWITCH)

SW02V AUTO ADDRESS

SW01S RESET(RESET BUTTON)

(HIGH PRESSURE SENSOR)

CN30 P-SENSOR(H)

(SC CIRCUIT INTLET TEMP SENSOR)

(OUTDOOR HEX TEMP SENSOR 2)

(

(

CONSTANT COMP HIGH

(OIL RETURN VALVE)

PRESSURE SWITCH)

CN43 P(C) S/W

INV COMP HIGH PRESSUR SWITCH))

CN44 P(I) S/W

CN26 P_CT2_S/W

(OIL RETURN VALVE)

CN18 ACCUM

(OIL RETURN VALVE)

CN26 P_CT2_S/W

CN36

TH_ACCUMSUMP

TH_E_OIL

TH_DISCHARGE

CN33

Page 39: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 39 -

Wiring Diagrams

n Noise Filter(208/230V)

220V Power Output Terminal

TO MAIN PCB220V Power Output Terminal

TO INV. PCB

220V Power Output Terminal

TO INV. PCB

n Noise Filter(460V)

Page 40: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 40 -

Wiring Diagrams

CN06 AC 220V INPUT

220V Power Input Terminal

CN01 FAN

Communication Terminal to Fan PCB

CN02 MAIN

Communication Terminal to Main PCB

CN03 INV LGMV

INV Onboarding Terminal

CN12 DC LINK 700 V

(700V DC LINK)

CN13 15V OUTPUT

CH14 U.V.W OUT

UVW Output Terminal

CN_L1(R)

CN_L3(T)

T Phase Terminal

CN_L2(S)

S Phase Terminal

n Inverter PCB(208/230V, 460V)

Page 41: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 41 -

Explodede View

6. Exploded View

W52240C

552203A

552203B

552203C

552200B

437211

237202

135510

W52240C

548490

352111B

165010B

552202W52240D137214552113Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

137213A

649950

552204B561410C

552204C561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

W6640B

W6640A

552201B

561410B561410A

661400

552200A

553000

W48602

W6631

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

W52240A

554160

ARWN80BA2 / ARWN100DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

Page 42: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 42 -

Explodede View

W52240C

553000B

552203A

552203B

552203C

552200A

W52240A

137210

237202

435511

W52240A

548490

352111

165010B

552202W52240D137214552113137213A

649950

552204B

552204B

561410C

552204C

561410E

561410D

W48602

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

268711D

566001

W6640B

W6640A

552201B

561410B

561410A

552200B

661400

553000A

W48602

W6631BW6631A

552117

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

554160A 554160B

Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

ARWN160BA2 / ARWN200DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

Page 43: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 43 -

Explodede View

W52240C

552203A

552203B

552203C

552200B

437211

237202

435511

W52240C

548490

352111B

165010B

353221

552202W52240D137214552113Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

137213A

649950

552204B561410C

552204C561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

W6640B

W6640A

552201B

561410B561410A

661400

552200A

553000A

W48602

W6631

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

W52240A

554160A

ARWN072BA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

Page 44: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240A

552203A

552203B

552203C

552200A

437211

237202

435511

W52240C

548490

352111B

165010B

353221

552202W52240D137214552113Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

137213A

649950

552204B561410C

552204C561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

W6640B

W6640A

552201B

561410B561410A

661400

552200A

553000A

W48602

W6631

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

W52240A

554160A

ARWN096DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 44 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 45: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240C

553000B

W48602

552203A

552203B

552203C

552200A

W52240A

437211

237202

435511

W52240A

548490

352111B

165010B

552202W52240D137214552113137213A

649950

552204B

552204B

561410C

552204C

561410E

561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

268711D

566001

W6640B

W6640A

552201B

561410B

561410A

552200B

661400

553000A

W48602

W6631BW6631A

552117

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

554160A 554160B

Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

353221

ARWN144BA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 45 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 46: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240C

553000B

W6631B

552203A

552203B

552203C

552200A

W52240A

437211

237202

435511

W52240A

548490

352111B

165010B

552202W52240D137214552113137213A

649950

552204B

552204B

561410C

552204C

561410E

561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

268711D

566001

W6640B

W6640A

552201B

561410B

561410A

552200B

661400

553000A

552117

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

554160A 554160B

Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

353221

W48602

W6631A

ARWN192DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 46 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 47: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240A

552203A

552203B

552203C

552200A

437211

237202

435511

W52240C

548490

352111B

165010B

353221

552202W52240D137214552113Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

137213A

649950

552204B561410C

552204C561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

W6640B

W6640A

552201B

561410B561410A

661400

552200A

553000AW48602

W6631

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

W52240A

554160A

ARWB072BA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 47 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 48: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240A

552203A

552203B

552203C

552200A

437211

237202

435511

W52240C

548490

352111B

165010B

353221

552202W52240D137214552113Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

137213A

649950

552204B561410C

552204C561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

W6640B

W6640A

552201B

561410B561410A

661400

552200A

553000A

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

W52240A

554160A

W48602

W6631

ARWB096DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 48 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 49: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240C

553000B

W48602

552203A

552203B

552203C

552200A

W52240A

437211

237202

435511

W52240A

548490

352111

165010B

552202W52240D137214552113137213A

649950

552204B

552204B

561410C

552204C

561410E

561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

268711D

566001

W6640B

W6640A

552201B

561410B

561410A

552200B

661400

553000A

W48602

W6631BW6631A

552117

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

554160A 554160B

Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

353221

ARWB144BA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 49 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 50: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

Explodede View

W52240C

553000B

W6631B

552203A

552203B

552203C

552200A

W52240A

437211

237202

435511

W52240A

548490

352111B

165010B

552202W52240D137214552113137213A

649950

552204B

552204B

561410C

552204C

561410E

561410D

566000

W52240B

W52240B

552201A

137213B

W6200

268711C

346811

261704

268711B

268711D

566001

W6640B

W6640A

552201B

561410B

561410A

552200B

661400

553000A

552117

559970263230D

437212

263230C

263230A

263230B

552204A 165010A

554160A 554160B

Temp. Sensor

Temp. Sensor

Temp. Sensor

Temp. Sensor

353221

W48602

W6631A

ARWB192DA2

Temp. Sensor 1 263230A Inv,Discharge + HEX Housing Color : Violet

Temp. Sensor 2 263230B Air + Suction Pipe + Const. Discharge Housing Color : Black

Temp. Sensor 3 263230C Liquid Pipe + Subcooler IN + Subcooler OUT Housing Color : Yellow

Temp. Sensor 4 263230D Condenser Water OUT Housing Color : Green

- 50 -Copyright ©2009 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

Page 51: 2010-11-15 Service Manual_expanded_multi v Water II Units_mfl67101201_20120105122839

P/NO :MFL67101201 NOVEMBER, 2010