LG MULTI V ARN Series Engineering Manual
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LG MULTI V ARN Series Engineering Manual

LG MULTI V ARN Series Engineering Manual

Floor standing, ceiling suspended, and convertible surface mounted indoor unit
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EM_MultiV_FloorSuspendConvert_IndoorUnits_8_17
FLOOR STANDING, CEILING SUSPENDED,
AND
CONVERTIBLE SURFACE MOUNTED
INDOOR UNIT
ENGINEERING MANUAL
Cased
Uncased
Floor Standing
Ceiling Suspended
7,500 to 24,200 Btu/h
19,100 and 24,200 Btu/h
Convertible Surface Mounted
9,600 and 12,300 Btu/h

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Summary of Contents for LG MULTI V ARN Series

  • Page 1 EM_MultiV_FloorSuspendConvert_IndoorUnits_8_17 FLOOR STANDING, CEILING SUSPENDED, CONVERTIBLE SURFACE MOUNTED INDOOR UNIT ENGINEERING MANUAL Cased Uncased Floor Standing Ceiling Suspended 7,500 to 24,200 Btu/h 19,100 and 24,200 Btu/h Convertible Surface Mounted 9,600 and 12,300 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 LG offers, free of charge, LG Air Conditioner Technical Solution (LATS) software—a total design solution for LG air conditioning systems. To reduce the risk of designing an improper applied system or one that will not operate correctly, LG requires that LATS software be used on all projects.
  • Page 6 LATS can generate an Excel GERP report that can imported into the LG SOPS pricing and ordering system.

  • Page 7: Mechanical Specifications

    FLOOR STANDING Mechanical Specifications on page 8 General Data on page 10 Electrical Data on page 12 External Dimensions on page 13 Cased Electrical Wiring Diagram on page 15 Refrigerant Flow Diagrams on page 17 External Static Pressure and Air Flow on page 18 Acoustic Data on page 19 Uncased...

  • Page 8: Mechanical Specifications

    Due to our policy of continuous product innovation, some specifications may change without notification. © 8 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 9 The condensate drain pan is constructed of expandable polystyrene resin (EPS). 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. FLOOR STANDING | 9...

  • Page 10: 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. © 10 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 11 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. FLOOR STANDING | 11...

  • Page 12: Electrical Data

    Instead of fuse, use the circuit breaker. Due to our policy of continuous product innovation, some specifications may change without notification. © 12 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 13: External Dimensions

    38-1/2 25-3/16 7-15/16 ARNU123CEU4 ARNU153CEU4 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. FLOOR STANDING | 13...
  • Page 14 ±1/4 in. ARNU243CFU4 Due to our policy of continuous product innovation, some specifications may change without notification. © 14 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 15 Figure 5: ARNU073~153CEA4, ARNU183-243CFA4, ARNU073~153CEU4, ARNU183-243CFU4 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. FLOOR STANDING | 15...
  • Page 16 IV, Multi V S Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © 16 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 17 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. FLOOR STANDING | 17...
  • Page 18 If the external static pressure of the installed indoor unit is less than the lowest value (as mentioned in the table), the indoor unit components can fail. Due to our policy of continuous product innovation, some specifications may change without notification. © 18 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 19 ARNU073CEU4 ARNU093CEU4 ARNU123CEU4 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. FLOOR STANDING | 19...
  • Page 20 ARNU153CEU4 ARNU183CFU4 ARNU243CFU4 Due to our policy of continuous product innovation, some specifications may change without notification. © 20 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 21 ARNU153CEU4 ARNU183CFU4 ARNU243CFU4 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. FLOOR STANDING | 21...
  • Page 22 23 ft 19.7 ft Due to our policy of continuous product innovation, some specifications may change without notification. © 22 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 23 19.7 ft 9.8 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. FLOOR STANDING | 23...
  • Page 24 19.7 ft 9.8 ft Due to our policy of continuous product innovation, some specifications may change without notification. © 24 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 25 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. FLOOR STANDING | 25...
  • Page 26 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 26 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 27 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. FLOOR STANDING | 27...
  • Page 28 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 28 | FLOOR STANDING LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 29: Refrigerant Flow Diagram

    CEILING SUSPENDED Mechanical Specifications on page 30 General Data on page 31 Electrical Data on page 31 External Dimensions on page 32 Electrical Wiring Diagram on page 33 Refrigerant Flow Diagram on page 35 Acoustic Data on page 36 Air Velocity / Temperature Distribution on page 37 Capacity Tables on page 38...
  • Page 30 5. Fan Only Due to our policy of continuous product innovation, some specifications may change without notification. © 30 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 31 Instead of 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. CEILING SUSPENDED | 31...
  • Page 32 Figure 18: ARNU183VJA2 and ARNU243VJA2 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © 32 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 33 Figure 19: ARNU183VJA2 and ARNU243VJA2 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. CEILING SUSPENDED | 33...
  • Page 34 Due to our policy of continuous product innovation, some specifications may change without notification. © 34 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 35: Refrigerant Flow Diagram

    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. CEILING SUSPENDED | 35...

  • Page 36: Acoustic Data

    Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. © 36 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 37 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. CEILING SUSPENDED | 37...
  • Page 38 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 38 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 39 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. CEILING SUSPENDED | 39...
  • Page 40 Due to our policy of continuous product innovation, some specifications may change without notification. © 40 | CEILING SUSPENDED LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 41: Air Velocity / Temperature Distribution

    CONVERTIBLE SURFACE MOUNTED Mechanical Specifications on page 42 General Data on page 43 Electrical Data on page 43 External Dimensions on page 44 Electrical Wiring Diagram on page 45 Refrigerant Flow Diagrams on page 47 Acoustic Data on page 48 Air Velocity / Temperature Distribution on page 49 Capacity Tables on page 51...
  • Page 42 4. Dry 5. Fan Only Due to our policy of continuous product innovation, some specifications may change without notification. © 42 | CONVERTIBLE LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 43 Instead of 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. CONVERTIBLE | 43...
  • Page 44 Figure 25: ARNU093VEA2 and ARNU123VEA2 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © 44 | CONVERTIBLE LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 45 Figure 26: ARNU093VEA2 and ARNU123VEA2 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. CONVERTIBLE | 45...
  • Page 46 Due to our policy of continuous product innovation, some specifications may change without notification. © 46 | CONVERTIBLE LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 47 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. CONVERTIBLE | 47...
  • Page 48 Octave Band Center Frequency (Hz) Due to our policy of continuous product innovation, some specifications may change without notification. © 48 | CONVERTIBLE LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 49 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. CONVERTIBLE | 49...
  • Page 50 3.3 ft 9.8 ft Due to our policy of continuous product innovation, some specifications may change without notification. © 50 | CONVERTIBLE 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. CONVERTIBLE | 51...
  • Page 52 TC: Total Capacity (MBh). Due to our policy of continuous product innovation, some specifications may change without notification. © 52 | CONVERTIBLE LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 53: Application Guidelines

    APPLICATION GUIDELINES Selecting the Best Location on page 54 General Mounting - Floor Standing Indoor Units on page 55 General Ceiling Mounting - Ceiling Suspended and Convertible Surface on page 56 General Wall Mounting - Convertible Surface Indoor Units on page 57 General Drain Piping Information on page 57 Wiring Guidelines on page 59 Wired Remote Controller Location on page 60...
  • Page 54 Floor Standing Cased and Uncased CFA / CFU Frames ≥42 ≥53-1/2 Due to our policy of continuous product innovation, some specifications may change without notification. © 54 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 55 • Depending on the shape and type of the wall surface, the indoor unit operating sound may be louder. 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 | 55...
  • Page 56 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 Convertible Surface 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

    Conduit Conduit mounting 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. 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 Commercial Products Support 1-888-865-3026 USA Follow the prompts for commercial A/C products. LG Electronics, U.S.A., Inc. EM_MultiV_FloorSuspendCovert_IndoorUnits_8_17 Commercial Air Conditioning Division Supersedes: EM_MultiV_FloorSuspendCovert_IndoorUnits_1_16 4300 North Point Parkway EM_MultiV_FloorSuspendCovert_IndoorUnits_05_16 Alpharetta, Georgia 30022 EM_MultiV_FloorSuspendCovert_IndoorUnits_4_15 www.lg-vrf.com...

This manual is also suitable for:

Multi v arnu073cea4Multi v arnu093cea4Multi v arnu123cea4Multi v arnu153cea4Multi v arnu183cfa4Multi v arnu243cfa4

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