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Heat Pump 380-415V + 380V R410A(50Hz/60Hz) 0CVM0-01A LG participates in the ECP programme for EUROVENT VRF program. Check ongoing validity of certification : www.eurovent-certification.com P/No. : MFL67474080...
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MULTI V S Outdoor Unit General information Product Data Installation of Outdoor Units Special Guide...
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Outdoor Unit General information MULTI V S 1.Model Line-up &External Appearance 2.Nomenclature...
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MULTI V S Outdoor Unit General information 1. Model Line-up & External Appearance 1 Phase Model Name Chassis External Appearance Standard Compact ARUN040GSS0 ARUN050GSL0 ARUN050GSS0 ARUN060GSS0 3 Phase Model Name Chassis External Appearance Standard ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0...
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MULTI V S Outdoor Unit General information 2. Nomenclature Model Name Signification MULTI V System Outdoor Unit using R410A Combination of Inverter Type and Cooling Only or Heat Pump N: Inverter and H/P, V: Inverter and C/O Total Cooling Capacity in Horse Power (HP) unit EX) 8HP →...
Outdoor Unit Product Data MULTI V S 1.List of Functions 2.Specifications 3.Dimensions 4.Electric Characteristics 5.Indoor Unit and Outdoor Unit Capacity Index 6.Capacity Tables 7.Capacity Correction Factor 8.Operation Limits 9.Piping Diagrams 10.Wiring Diagrams 11.Field Wiring 12.Sound Levels...
MULTI V S Outdoor Unit Product Data 1. List of Functions ■ Basic functions Multi V S Category Functions 1 Phase 3 Phase Defrost / Deicing High pressure switch Phase protection Reliability Restart delay (3-minutes) Self diagnosis Soft start Test Run function Convenience Night Low Noise Operation CAC network function...
MULTI V S Outdoor Unit Product Data 3. Dimensions 3.2 Center of Gravity ARUN040GSS0 / ARUN050GSL0 Model Name [mm] [mm] [mm] ARUN040GSS0 ARUN050GSL0 ARUN050GSS0 / ARUN060GSS0 ARUN040LSS0 / ARUN050LSS0 / ARUN060LSS0 / ARUN080LSS0 Model Name [mm] [mm] [mm] ARUN050GSS0 ARUN060GSS0...
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MULTI V S Outdoor Unit Product Data 3. Dimensions ARUN100LSS0 / ARUN120LSS0 Model Name [mm] [mm] [mm] ARUN100LSS0 ARUN120LSS0...
MULTI V S Outdoor Unit Product Data 4. Electric Characteristics ■ Wiring of Main Power Supply and Equipment Capacity 1. Use a separate power supply for the Outdoor Unit and Indoor Unit. 2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain liquid,etc.) when proceeding with the wiring and connections 3.
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MULTI V S Outdoor Unit Product Data 4. Electric Characteristics 4.1 1 Phase / Heat Pump ■ 50Hz Unit Power Supply COMP Model Volts Voltage-range TOCA RLA(Cooling) RLA(Heating) 4 HP 220-240 Min.:198, Max.:264 25.0 26.0 17.8 13.5 0.12 5 HP 220-240 Min.:198, Max.:264 27.5...
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MULTI V S Outdoor Unit Product Data 4. Electric Characteristics 4.2 3 Phase / Heat Pump ■ 50Hz Unit Power Supply COMP Model Volts Voltage-range TOCA RLA(Cooling) RLA(Heating) 4 HP 380-415 Min.:342, Max.:456 12.5 17.0 0.35 5 HP 380-415 Min.:342, Max.:456 14.4 17.0 0.35...
1. The combination ratio is defined as the sum of indoor unit nominal capacity (kW) divided by the outdoor rated cooling capacity (kW). 2. LG guarantees the operation only within a maximum combination ratio of 130%. 3. If the client wants to go beyond 130%, please contact the local subsidiary and discuss the requirements. Please be aware that going over 130% may result in poor performance.
MULTI V S Outdoor Unit Product Data 6. Capacity Tables 6.2 Heating Capacity 6.2.1 1 Phase / Heat Pump ARUN040GSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 10.0 4.87 10.0 4.90 4.93 4.97...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 5.27 5.24 5.18 5.18 5.18 5.14 -18.8 10.0 5.26 10.0 5.23 10.0 5.21 10.0 5.17 10.0 5.14 5.05 -16.7...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 4.29 4.31 4.15 3.94 3.74 3.55 -18.8 4.31 4.23 4.07 3.87 3.67 3.49 -16.7 4.14 4.06 3.91 3.71 3.53...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN050GSL0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 11.9 6.25 11.9 6.29 11.9 6.32 11.9 6.38 11.9 6.43 11.6 6.51 -18.8 12.2 6.28 12.2 6.32...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 11.7 6.77 11.7 6.73 11.7 6.66 11.7 6.65 11.7 6.64 11.4 6.60 -18.8 12.0 6.75 11.9 6.72 11.9 6.68...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 11.5 5.51 11.1 5.53 10.5 5.33 10.1 5.06 4.81 4.56 -18.8 11.8 5.53 11.1 5.43 10.5 5.23 10.1 4.96...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN050GSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.7 6.56 12.7 6.60 12.7 6.64 12.7 6.70 12.7 6.75 12.4 6.84 -18.8 13.0 6.59 13.0 6.63...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.5 7.11 12.5 7.07 12.4 6.99 12.4 6.98 12.4 6.98 12.2 6.93 -18.8 12.8 7.09 12.7 7.05 12.7 7.02...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.2 5.78 11.8 5.81 11.1 5.60 10.8 5.31 10.4 5.05 4.79 -18.8 12.5 5.81 11.8 5.70 11.1 5.49 10.8...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN060GSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 14.3 7.85 14.3 7.90 14.2 7.95 14.2 8.01 14.2 8.08 14.0 8.18 -18.8 14.7 7.88 14.7 7.93...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 14.1 8.50 14.1 8.46 14.0 8.36 14.0 8.35 14.0 8.35 13.7 8.29 -18.8 14.4 8.48 14.3 8.44 14.3 8.40...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 13.8 6.92 13.3 6.95 12.5 6.70 12.1 6.36 11.8 6.04 11.0 5.73 -18.8 14.1 6.95 13.3 6.82 12.5 6.57...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables 6.2.2 3 Phase / Heat Pump ARUN040LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 10.0 4.32 10.0 4.35 4.37 4.41 4.44 4.50 -18.8 10.2 4.34...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 4.68 4.65 4.60 4.59 4.59 4.56 -18.8 10.0 4.66 10.0 4.64 10.0 4.62 10.0 4.58 10.0 4.56 4.48 -16.7...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 3.81 3.82 3.68 3.50 3.32 3.15 -18.8 3.82 3.75 3.61 3.43 3.26 3.09 -16.7 3.67 3.60 3.47 3.29 3.13...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN050LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.7 6.56 12.7 6.60 12.7 6.64 12.7 6.70 12.7 6.75 12.4 6.84 -18.8 13.0 6.59 13.0 6.63...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.5 7.11 12.5 7.07 12.4 6.99 12.4 6.98 12.4 6.98 12.2 6.93 -18.8 12.8 7.09 12.7 7.05 12.7 7.02...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 12.2 5.78 11.8 5.81 11.1 5.60 10.8 5.31 10.4 5.05 4.79 -18.8 12.5 5.81 11.8 5.70 11.1 5.49 10.8...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN060LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 14.3 7.85 14.3 7.90 14.2 7.95 14.2 8.01 14.2 8.08 14.0 8.18 -18.8 14.7 7.88 14.7 7.93...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 14.1 8.50 14.1 8.46 14.0 8.36 14.0 8.35 14.0 8.35 13.7 8.29 -18.8 14.4 8.48 14.3 8.44 14.3 8.40...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 13.8 6.92 13.3 6.95 12.5 6.70 12.1 6.36 11.8 6.04 11.0 5.73 -18.8 14.1 6.95 13.3 6.82 12.5 6.57...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN080LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 19.5 10.93 19.5 11.00 19.4 11.06 19.4 11.15 19.4 11.24 19.0 11.39 -18.8 20.0 10.97 20.0 11.05...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 19.2 11.84 19.2 11.78 19.1 11.64 19.1 11.63 19.1 11.62 18.7 11.53 -18.8 19.6 11.81 19.5 11.75 19.5 11.69...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 18.8 9.63 18.1 9.68 17.1 9.33 16.5 8.85 16.0 8.41 14.9 7.97 -18.8 19.2 9.68 18.1 9.49 17.1 9.15...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN100LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 25.4 14.36 25.4 14.50 25.2 14.62 25.2 14.81 25.2 14.99 24.6 15.27 -18.8 25.8 14.45 25.8 14.59...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 24.9 15.01 24.9 15.12 24.8 15.19 24.8 15.39 24.8 15.53 24.2 15.56 -18.8 25.4 15.07 25.2 15.18 25.2 15.28...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 22.9 12.61 22.7 12.71 21.3 12.21 20.6 11.55 20.0 10.94 18.6 10.35 -18.8 23.6 12.71 22.7 12.45 21.3 11.97...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables ARUN120LSS0 Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 30.4 20.66 30.4 20.86 30.2 21.04 30.2 21.31 30.2 21.56 29.5 21.97 -18.8 30.9 20.79 30.9 21.00...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 29.9 21.60 29.9 21.76 29.7 21.85 29.7 22.14 29.7 22.35 29.0 22.39 -18.8 30.4 21.68 30.2 21.84 30.2 21.99...
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MULTI V S Outdoor Unit Product Data 6. Capacity Tables Indoor air temp. ℃ DB Outdoor air temp Combination ℃ DB ℃ WB -19.8 27.5 18.15 27.2 18.28 25.6 17.58 24.7 16.62 24.0 15.74 22.4 14.89 -18.8 28.3 18.28 27.2 17.91 25.6 17.22...
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MULTI V S Outdoor Unit Product Data 7. Capacity Correction Factor 7.1 Capacity Correction Factor 7.1.1 Rate of change in Cooling capacity 0.92 0.90 0.88 0.85 0.92 0.89 0.89 0.88 0.86 0.85 0.84 0.95 0.94 0.93 0.92 0.89 0.89 0.88 0.86 0.85 0.84 0.94 0.93 0.92 0.90 0.89 0.88 0.86 0.85 0.84 0.96 0.97 0.94 0.93 0.92 0.90 0.89 0.88 0.86 0.86 0.85...
MULTI V S Outdoor Unit Product Data 7. Capacity Correction Factor Note 1. These figures illustrate the rate of change in capacity of a standard indoor unit system at maximum load under standard conditions.(Moreover, under partial load conditions there is only a minor deviation from the rate of change in capacity shown in the above figures.) 2.
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MULTI V S Outdoor Unit Product Data 7. Capacity Correction Factor 7.2 Defrosting Correction Factor for Heating Operation The capacity table does not consider reduction in capacity when frost has accumulated or during defrosting. The capacity values considered these factors, in other words the integrated heating capacity values, can be obtained as follows: [ Formula ] •...
MULTI V S Outdoor Unit Product Data 9. Piping Diagrams 9.1 4 HP U4 Chassis (1Ø) ■ Cooling Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid Low Temperature Low Pressure Gas Outdoor...
MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Heating Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid Low Temperature Low Pressure Gas Outdoor Temperature...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Oil Return / Defrost Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid Low Temperature Low Pressure Gas Outdoor...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams 9.2 5 HP U4 Chassis (1Ø) ■ Cooling Operation Flare Flare Indoor HEX Indoor HEX Joint Joint Flare Flare Joint Joint Indoor Unit Indoor Unit High Temp. High Pressure Gas High Temp.
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Heating Operation Flare Flare Indoor HEX Indoor HEX Joint Joint Flare Flare Joint Joint Indoor Unit Indoor Unit High Temp. High Pressure Gas High Temp. High Pressure Liquid Low Temp. Low Pressure Gas Outdoor Temperature Sensor...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Oil Return / Defrost Operation Flare Flare Indoor HEX Indoor HEX Joint Joint Flare Flare Joint Joint Indoor Unit Indoor Unit High Temp. High Pressure Gas High Temp. High Pressure Liquid Low Temp.
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams 9.3 5 / 6 HP U3 Chassis (1Ø), 4 / 5 / 6 / 8 HP U3 Chassis (3Ø) ■ Cooling Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Heating Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid Low Temperature Low Pressure Gas Outdoor Temperature...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Oil Return / Defrost Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid Low Temperature Low Pressure Gas Outdoor...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams 9.4 10 / 12 HP U7 Chassis (3Ø) ■ Cooling Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Temperature High Pressure Liquid...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Heating Operation Indoor H eat Ex changer Indoor H eat Ex changer El ec tronic El ec tronic Ex pans ion Va lve Ex pans ion Va lve Flare Flare Joint Joint...
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MULTI V S Outdoor Unit Product Data 9. Piping Diagrams ■ Oil Return / Defrost Operation Indoor Heat Exchanger Indoor Heat Exchanger Electronic Electronic Expansion Valve Expansion Valve Flare Flare Joint Joint Flare Flare Joint Joint High Temperature High Pressure Gas High Pressure High Pressure High Temperature High Pressure Liquid...
MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.1 4 HP U4 Chassis (1Ø)
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MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.2 5 HP U4 Chassis (1Ø)
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MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.3 5 / 6 HP U3 Chassis (1Ø)
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MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.4 4 / 5 / 6 HP(3Ø)
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MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.5 8 HP(3Ø)
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MULTI V S Outdoor Unit Product Data 10. Wiring Diagrams 10.6 10 / 12 HP(3Ø)
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MULTI V S Outdoor Unit Product Data 11. Field Wiring 11.1 50Hz/60Hz (1Ø) ■ Example Connection of Communication Cable Single Outdoor Unit Outdoor Power supply Voltage range(V) (1Ø 2-wire) [Outdoor Unit] Frequency Outdoor Indoor (Main Switch) 50Hz 220-240V 220-240V 60Hz 220V 220V...
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MULTI V S Outdoor Unit Product Data 11. Field Wiring 11.2 50Hz/60Hz (3Ø) ■ Example Connection of Communication Cable Single Outdoor Unit Outdoor Power supply (3Ø 4-wire) Voltage range(V) Frequency [Outdoor Unit] Outdoor Indoor (Main Switch) 50Hz 380-415V 220-240V R S T N 60Hz 380V...
MULTI V S Outdoor Unit Product Data 11. Field Wiring ■ Example Connection of Communication Cable [BUS type] [STAR type] • Connection of communication cable must be installed • Abnormal operation can be caused by communication like below figure between indoor unit to outdoor unit. defect, when connection of communication cable isinstalled like below figure(STAR type).
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6.Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. Therefore, these values can be increased owing to ambient conditions during operation. Sound Pressure Levels [dB(A)] Model Cooling Heating ARUN040GSS0 ARUN050GSL0 ARUN050GSS0 ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0...
MULTI V S Outdoor Unit Product Data 12. Sound Levels ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25 NC-25 NC-25 Approximate Approximate Approximate...
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MULTI V S Outdoor Unit Product Data 12. Sound Levels Heating ARUN040GSS0 ARUN050GSL0 ARUN050GSS0 NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30 NC-30 NC-25...
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MULTI V S Outdoor Unit Product Data 12. Sound Levels ARUN120LSS0 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 Approximate NC-20 Hearing Threshold NC-15 1000 2000 4000 8000 Octave Band Center Frequency (Hz)
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6. Sound power level is measured on the rated condition in the semi-anechoic rooms by ISO 9614 standard. Therefore, these values can be increased owing to ambient conditions during operation. Sound Power Levels [dB(A)] Model Cooling Heating ARUN040GSS0 72.0 75.0 ARUN050GSL0 72.0 75.0 ARUN050GSS0 72.0...
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MULTI V S Outdoor Unit Product Data 12. Sound Levels ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 120.0 120.0 Cooling Cooling Cooling Heating Heating Heating 110.0 110.0 NR-115 NR-115 NR-115 100.0 100.0 NR-110 NR-110 NR-110 NR-105 NR-105 NR-105 90.0 90.0 NR-100 NR-100 NR-100 NR-95 NR-95 NR-95 80.0...
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Outdoor Unit Installation of Outdoor Units Multi V S 1.Alternative Refrigerant R410A 2.Select the Best Location 3.Installation Space 4.Lifting Method 5.Installation 6.Refrigerant Piping Installation 7.Refrigerant Piping System 8.Electrical Wiring...
Multi V S Outdoor Unit Installation of Outdoor Units 1. Alternative Refrigerant R410A • The refrigerant R410A has the property of higher operating pressure in comparison with R22. Therefore, all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also considered during the installation.
Multi V S Outdoor Unit Installation of Outdoor Units 2. Select the Best Location 1. Select space for installing outdoor unit, which will meet the following conditions: • No direct thermal radiation from other heat sources • No possibility of annoying neighbors by noise from unit •...
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Multi V S Outdoor Unit Installation of Outdoor Units 2. Select the Best Location Seasonal wind and cautions in winter • Sufficient measures are required in a snow area or severe cold area in winter so that product can be operated well.
Multi V S Outdoor Unit Installation of Outdoor Units 3. Installation Space • The following values are the least space for installation. If any service area is needed for service according to field circumstance, obtain enough service space. • The unit of values is mm. 3.1 Individual Installation ■...
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Multi V S Outdoor Unit Installation of Outdoor Units 3. Installation Space ■ In case of obstacles on the discharge side 1. Stand alone installation [Unit:mm] 2. Collective installation [Unit:mm] Chassis code U4 / U3 Chassis U7 Chassis 500 or more 700 or more Note •...
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Multi V S Outdoor Unit Installation of Outdoor Units 3. Installation Space ■ In case of obstacles on the suction and the discharge side • Obstacle height of discharge side is higher than the unit 1. Stand alone installation [Unit:mm] L >...
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Multi V S Outdoor Unit Installation of Outdoor Units 3. Installation Space • Obstacle height of discharge side is lower than the unit 1. Stand alone installation [Unit:mm] L ≤ H ≤ H 2. Collective installation [Unit:mm] L ≤ H ≤...
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Multi V S Outdoor Unit Installation of Outdoor Units 3. Installation Space 3.2 Collective / continuous installation Space required for collective installation and continuous installation: When installing several units, leave space between each block as shown below considering passage for air and people. ■...
Multi V S Outdoor Unit Installation of Outdoor Units 4. Lifting Method • When carrying the suspended, unit pass the ropes between legs of base panel under the unit. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. •...
Multi V S Outdoor Unit Installation of Outdoor Units 5. Installation • Install at places where it can endure the weight and vibration/noise of the outdoor unit. • The outdoor unit supports at the bottom shall have width of at least 100mm under the Unit’s legs before being fixed.
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Multi V S Outdoor Unit Installation of Outdoor Units 5. Installation 5.2 Foundation for Installation • Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust. • Use the H-beam support as a base support •...
Multi V S Outdoor Unit Installation of Outdoor Units 6. Refrigerant Piping Installation 6.1 Precautions on Pipe connection / Valve operation Pipe connection is done by connecting from the end of the pipe to the branching pipes, and the refrigerant Refrigerant pipe coming out of the outdoor unit is divided at the end Charging Port...
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.1 Pipe Connection Method between outdoor unit / indoor unit 7.1.1 Standard Model (ARUN****SS0) Y branch method ⓐ: Outdoor Unit ⓑ: 1st branch (Y branch) Indoor Unit ⓓ: Indoor Units L150m (200 m : Conditional application)* l 40m (90 m : Conditional application)*...
Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.1.2 Compact Model (ARUN****SL0) Y branch method ⓐ: Outdoor Unit ⓑ: 1st branch (Y branch) Indoor Unit ⓓ: Indoor Units L80m l 40m h 15m Combination of Y branch / header method ⓐ: Outdoor Unit ⓑ: 1st branch (Y branch) ⓒ: Y branch...
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System ■ Limits of pipe length and difference in height Standard Model (ARUN****SS0) Combination of Connection method Y branch only Header only Y branch / header Longest pipe length (L) A+B+b ≤...
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System ■ Refrigerant pipe diameter from outdoor unit to first branch. (A) Upward Increased Pipe Diameter Outdoor unit Standard Pipe Diameter When equivalent pipe length is 90m or more from ODU to farthest IDU total capacity Liquid pipe Gas pipe...
Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.2 Indoor Unit Connection Indoor Unit connecting pipe from branch (a,b,c,d,e,f) Indoor Unit capacity [kW(Btu/h)] Liquid pipe [mm(inch)] Gas pipe [mm(inch)] Ø6.35(1/4) Ø12.7(1/2) ≤ 5.6(19,100) < 16.0(54,600) Ø9.52(3/8) Ø15.88(5/8) <...
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.4 Distribution Method 1. Line Distribution Outdoor Unit 3rd main pipe distribution Outdoor Unit Outdoor Unit Main pipe Distribution 3rd main pipe distribution 2. Vertical Distribution Ensure that the branch pipes are attached vertically. Outdoor Unit Outdoor Unit 3.
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.5 Selection of Y Branch and Header 7.5.1 Y Branch ■ Heat Pump System Gas pipe Liquid pipe Models [unit:mm] [unit:mm] I.D12.7 I.D12.7 I.D6.35 I.D.6.35 I.D9.52 I.D15.88 I.D15.88 I.D9.52 I.D15.88...
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Multi V S Outdoor Unit Installation of Outdoor Units 7. Refrigerant Piping System 7.5.2 Header Gas pipe Liquid pipe Models [Unit:mm] [Unit:mm] ID12.7 ID6.35 ID6.35 ID12.7 4 branch ID9.52 ID15.88 ARBL054 ID9.52 ID15.88 ID15.88 ID12.7 ID9.52 ID19.05 ID12.7 ID6.35 7 branch ID12.7 ARBL057 ID9.52...
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring 8.1 Electrical Wiring 8.1.1 Caution 1. Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and guidance of each electric power company. WARNING Be sure to have authorized electrical engineers do the electric work using special circuits in accordance with regulations and this installation manual.
Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring phase protection circuit locally. running the product in reversed phase may break the compressor and other parts. • Use the 2-core shield cables for communication lines. Never use them together with power cables. •...
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring • Types : 3-core cable 3. Central control cable Product type Cable type Diameter 2-core wire (shielding wire) 1.0~1.5mm² AC Smart 2-core wire (shielding wire) 1.0~1.5mm² AC Ez 4-core wire (shielding wire) 1.0~1.5mm²...
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring 8.2 DIP Switch Setting 8.2.1 Checking according to dip switch setting You can check the setting values of the unit from the 7 segment LED. The dip switch setting should be changed when the power is OFF. 8.2.2 Checking the setting of the unit The number is sequentially appeared at the 7 segment in 5 seconds after applying the power.
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring Main PCB (Standard model) DIP-SW01 7 - Segment SW04C (× : cancel) SW03C (▶ : forward) SW02C (◀ : backward) SW01C (● : confirm) SW01D (reset) Display PCB (Compact model) SW01C ( : confirm) 7-Segment SW02C ( : backward)
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring 8.3 Automatic Addressing • The address of indoor units would be set by auto addressing 1. Wait for 3 minutes after supplying power. 2. Press RED button of the outdoor units for 5 seconds. (SW01C) 3.
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring ■ The Procedure of Automatic Addressing Power On Waiting 3 minutes Press RED Button for 5 sec. (SW01C) Auto addressing start 7-segment LED = 88 Don’t press RED Button (SW01C) •...
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Multi V S Outdoor Unit Installation of Outdoor Units 8. Electrical Wiring 8.4 Night Low Noise Function This function makes the ODU fan operate at low RPM to reduce the fan noise of ODU at night which has low load. ...
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Outdoor Unit Special Guide MULTI V S 1.Caution for Refrigerant Leak 2.Installation Guide at the Seaside...
MULTI V S Outdoor Unit Special Guide 1. Caution For Refrigerant Leaks The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. 1.1 Introduction The R410A refrigerant itself is harmless and nonflammable, but even if the refrigerant gas leaks into the room, the space for installing the air conditioner should be large enough that the refrigerant gas does not exceed the limit...
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MULTI V S Outdoor Unit Special Guide 1. Caution For Refrigerant Leaks 2. With partition and with opening which serve aspassage of air to adjoining room Outdoor Unit In the case of opening Indoor unit without door , or 0.15 Opening % or more openings (to floor space) both...
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MULTI V S Outdoor Unit Special Guide 1. Caution For Refrigerant Leaks CAUTION Pay special attention to the place, such as a basement, etc. where refrigerant can stay, since refrigerant is heavier than air.
It needs the periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using liquid. • LG does not guarantee in case that periodic cleaning for heat exchanger is not doing or windbreak is not installed.
MULTI V S Outdoor Unit Special Guide 2. Installation Guide at the seaside 2.2 Installation and maintenance • Install the product where it will avoid salt water splash and beach sand as much as possible. – Install the machine in the direction the wind blows away from the building. –...