LG MULTI V WATER IV ARWN120LAS4, Installation Manual, Page: 8 / 79

Outside units Information
8 Outside Unit
Outside units Information
Power Supply: Outside Unit (3Ø, 380-415 V, 50/60Hz)
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Heat pump
• Ratio of the running Indoor Units to the Outside: Within 10 ~ 100%
• A combination operation over 100% cause to reduce each indoor unit capacity.
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Combination Ration(50~200%)
Notes:
* We can guarantee the operation only within 130% Combination. If you want to connect more than
130% combination, please contact us and discuss the requirement like below.
1) If the operation of indoor unit is more than 130%, low airflow operation is recommended in all
the indoor units.
2) If the operation of indoor unit is more than 130%, additional refrigerant is needed according to
the Aheadquarter guidance.
3)Over 130%, capacity is same as capacity of 130%, Same remark is valid for power input.
Outside Number Connection Capacity
Single outside units 200%
Double outside units 160%
Triple outside units 130%
Unit 1 Unit
System Capacity (HP) 14 16
Model
Combination Unit ARWN140LAS4 ARWN160LAS4
Independent Unit ARWN140LAS4 ARWN160LAS4
Refrigerant Precharged Amount kg 5.8 3.0
Maximum Connectable Number of Indoor Units 23 26
Net Weight
kg 127 x 1 140 x 1
lbs 280 x 1 309 x 1
Dimensions(WxHxD)
mm 755 × 997 × 500 755 × 997 × 500
inch (29-23/32 x 39-1/4 x 19-11/16) x 1 (29-23/32 x 39-1/4 x 19-11/16) x 1
Refrigerant
Connecting Pipes
Liquid mm(inch) 12.7(1/2) 12.7(1/2)
Gas mm(inch) 25.4(1) 28.58(1-1/8)
Water Connecting
Pipes
Inlet mm PT 40 PT 40
Outlet mm PT 40 PT 40
Drain Outlet mm 20 20
Temp. range of
Circulation water
Cooling 10°C ~ 45°C(50°F ~ 113°F) 10°C ~ 45°C(50°F ~ 113°F)
Heating -5°C ~ 45°C(23°F ~ 113°F) -5°C ~ 45°C(23°F ~ 113°F)
Unit 1 Unit
System Capacity (HP) 8 10 12
Model
Combination Unit ARWN080LAS4 ARWN100LAS4 ARWN120LAS4
Independent Unit ARWN080LAS4 ARWN100LAS4 ARWN120LAS4
Refrigerant Precharged Amount kg 5.5 3.4 3.5
Maximum Connectable Number of Indoor Units 13 16 20
Net Weight
kg 127 x 1 125 x 1 125 x 1
lbs 280 x 1 276 x 1 276 x 1
Dimensions(WxHxD)
mm 755 × 997 × 500 755 × 997 × 500 755 × 997 × 500
inch (29-23/32 x 39-1/4 x 19-11/16) x 1 (29-23/32 x 39-1/4 x 19-11/16) x 1 (29-23/32 x 39-1/4 x 19-11/16) x 1
Refrigerant
Connecting Pipes
Liquid mm(inch) 9.52(3/8) 9.52(3/8) 12.7(1/2)
Gas mm(inch) 22.2(7/8) 22.2(7/8) 25.4(1)
Water Connecting
Pipes
Inlet mm PT 40 PT 40 PT 40
Outlet mm PT 40 PT 40 PT 40
Drain Outlet mm 20 20 20
Temp. range of
Circulation water
Cooling 10°C ~ 45°C(50°F ~ 113°F) 10°C ~ 45°C(50°F ~ 113°F) 10°C ~ 45°C(50°F ~ 113°F)
Heating -5°C ~ 45°C(23°F ~ 113°F) -5°C ~ 45°C(23°F ~ 113°F) -5°C ~ 45°C(23°F ~ 113°F)