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LG ARNU 073 SER2 Engineering Manual

Multi v wall-mounted indoor unit
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EM-MultiV-WallMounted-IndoorUnits-01-15
Wall-Mounted IndooR unIt
engIneeRIng Manual
Art Cool™ Mirror Wall-Mounted
Standard Wall-Mounted
7,500 to 24,200 Btu/h
5,500 to 24,200 Btu/h

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  Summary of Contents for LG ARNU 073 SER2

  • Page 1 EM-MultiV-WallMounted-IndoorUnits-01-15 Wall-Mounted IndooR unIt engIneeRIng Manual Art Cool™ Mirror Wall-Mounted Standard Wall-Mounted 7,500 to 24,200 Btu/h 5,500 to 24,200 Btu/h...
  • Page 2 A summary list of safety precautions is on page 3. For more technical materials such as submittals, catalogs, installation, owner’s, and service manuals, visit www.lghvac.com. For continual product development, LG Electronics U.S.A., Inc. reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc.
  • Page 3: Table Of Contents

    This symbol indicates an action should not be completed. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 3...
  • Page 4: Unit Nomenclature

    A = Second, Revision A Due to our policy of continuous product innovation, some specifications may change without notification. © 4 | IntroduCtIon LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 5: Indoor Unit Overview

    67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 5...
  • Page 6 67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © 6 | IntroduCtIon LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 7 67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 7...
  • Page 8: Controllers Overview

    For information on controller compatibility refer to the Controls and Options Tables on pages 12 and 13. Due to our policy of continuous product innovation, some specifications may change without notification. © 8 | IntroduCtIon LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 9 For information on controller compatibility refer to the Controls and Options Tables on pages 12 and 13. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 9...
  • Page 10 For information on controller compatibility refer to the Controls and Options Tables on pages 12 and 13. Due to our policy of continuous product innovation, some specifications may change without notification. © 10 | IntroduCtIon LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 11 Echlelon Corporation. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 11...
  • Page 12 Heat Pump systems only. Due to our policy of continuous product innovation, some specifications may change without notification. © 12 | IntroduCtIon LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 13 Heat Pump systems only. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroduCtIon | 13...
  • Page 14 ® To ensure that the refrigerant piping design meets LG’s quality standards, a LATS refrigerant piping design must be provided with every Multi V order. Following the installation, if any changes or variations to the design are necessary, a new LATS file must be created and provided to LG prior to system commissioning to ensure the proper pipe size has not changed.
  • Page 15: Mechanical Specifications

    ART COOL MIRROR WALL-MOUNTED Mechanical Specifications on page 16 general data on page 17 electrical data on page 18 external dimensions on page 19 electrical Wiring diagram on page 21 Refrigerant Flow diagrams on page 23 acoustic data on page 24 air velocity / temperature distribution on page 26 capacity tables on page 29...
  • Page 16: Mechanical Specifications

    Cooling and Heating Due to our policy of continuous product innovation, some specifications may change without notification. © 16 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 17 47ºF dry bulb (DB) and 43ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 17...
  • Page 18: Electrical Data

    Instead of a fuse, use the circuit breaker. Due to our policy of continuous product innovation, some specifications may change without notification. © 18 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 19: External Dimensions

    Figure 2: ARNU073SER2, ARNU093SER2, ARNU123SER2, ARNU153SER2 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 19...
  • Page 20 Figure 3: ARNU183S8R2, ARNU243S8R2 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © 20 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 21: Electrical Wiring Diagrams

    Figure 4: ARNU073~153SER2, ARNU183-243S8R2 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 21...
  • Page 22: Electrical Wiring Diagrams

    Air clean control Due to our policy of continuous product innovation, some specifications may change without notification. © 22 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 23 Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 23...
  • Page 24 Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. © 24 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 25 Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 25...
  • Page 26 6.6 ft 3.3 ft Due to our policy of continuous product innovation, some specifications may change without notification. © 26 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 27 6.6 ft 3.3 ft Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 27...
  • Page 28 6.6 ft 3.3 ft Due to our policy of continuous product innovation, some specifications may change without notification. © 28 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 29 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 29...
  • Page 30 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 30 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 31 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. Art Cool | 31...
  • Page 32 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 32 | Art Cool LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 33: Refrigerant Flow Diagrams

    STANDARD WALL-MOUNTED Mechanical Specifications on page 34 general data on page 35 electrical data on page 37 external dimensions on page 38 electrical Wiring diagram on page 40 Refrigerant Flow diagrams on page 41 acoustic data on page 42 air velocity / temperature distribution on page 46 capacity tables on page 50...
  • Page 34: Mechanical Specifications

    5. Fan Only Requires wireless controller. Due to our policy of continuous product innovation, some specifications may change without notification. © 34 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 35: General Data

    47ºF dry bulb (DB) and 43ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 35...
  • Page 36 47ºF dry bulb (DB) and 43ºF wet bulb (WB). Due to our policy of continuous product innovation, some specifications may change without notification. © 36 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 37: Electrical Data

    Instead of a fuse, use the circuit breaker. Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 37...
  • Page 38: External Dimensions

    1/4 in. 2-13/16 Due to our policy of continuous product innovation, some specifications may change without notification. © 38 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 39 1/4 in. Installation Plate Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 39...
  • Page 40: Electrical Wiring Diagram

    Outlet pipe thermistor connection Due to our policy of continuous product innovation, some specifications may change without notification. © 40 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 41 Pipe in thermistor Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 41...
  • Page 42: Acoustic Data

    Figure 20: ARNU053SBL4, ARNU073SBL4, and ARNU093SBL4 Sound Pressure Level Diagrams. ARNU053SBL4 ARNU073SBL4 ARNU093SBL4 Due to our policy of continuous product innovation, some specifications may change without notification. © 42 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 43: Sound Pressure Levels

    Figure 22: ARNU243SCL4 Sound Pressure Level Diagram. ARNU243SCL4 Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 43...
  • Page 44 Figure 23: ARNU053SBL4, ARNU073SBL4, and ARNU093SBL4 Sound Power Level Diagrams. ARNU053SBL4 ARNU073SBL4 ARNU093SBL4 Due to our policy of continuous product innovation, some specifications may change without notification. © 44 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 45 Figure 25: ARNU243SCL4 Sound Power Level Diagrams. ARNU243SCL4 Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 45...
  • Page 46: Air Velocity / Temperature Distribution

    4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) Due to our policy of continuous product innovation, some specifications may change without notification. © 46 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 47: Air Velocity / Temperature Distribution

    4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 47...
  • Page 48 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) Due to our policy of continuous product innovation, some specifications may change without notification. © 48 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 49 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 49...
  • Page 50: Capacity Tables

    TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 50 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 51 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 51...
  • Page 52 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 52 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 53 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. StAndArd | 53...
  • Page 54 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 54 | StAndArd LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 55: Application Guidelines

    APPLICATION GUIDELINES Selecting the best location on page 56 general Mounting on page 56 general drain Piping Information on page 57 Wiring guidelines on page 59 Wired Remote controller location on page 60 acronyms on page 61...
  • Page 56 Right Rear right Due to our policy of continuous product innovation, some specifications may change without notification. © 56 | GuIdElInES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 57 Drain hose Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. GuIdElInES | 57...
  • Page 58 Due to our policy of continuous product innovation, some specifications may change without notification. © 58 | GuIdElInES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 59: Wiring Guidelines

    High Voltage (208/230V) (208/230V) Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. GuIdElInES | 59...
  • Page 60 • An area where temperatures are uncontrolled, such as an outside wall Due to our policy of continuous product innovation, some specifications may change without notification. © 60 | GuIdElInES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 61: Acronyms

    Water Gauge Inside Diameter Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. GuIdElInES | 61...
  • Page 62 LG Electronics U.S.A., Inc. LG Electronics Commercial Products Support Commercial Air Conditioning Division 1-888-865-3026 USA 11405 Old Roswell Road Follow the prompts for commercial A/C products. Alpharetta, Georgia 30009 EM-MultiV-WallMounted-IndoorUnits-01-15 www.lg-vrf.com Supersedes: EM-MultiV-IndoorUnits-07-14...