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LG Multi V Series Engineering Manual
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LG Multi V Series Engineering Manual

Ducted indoor unit
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See also: Svc Manual , Owner's Manual
DUCTED INDOOR UNIT
ENGINEERING MANUAL
Low Static Ducted
High Static Ducted
7,500 to 24,000 Btu/h
7,500 to 95,900 Btu/h
Vertical / Horizontal Air Handler
12,000 to 54,000 Btu/h

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Table of Contents
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Summary of Contents for LG Multi V Series

  • Page 1 DUCTED INDOOR UNIT ENGINEERING MANUAL Low Static Ducted High Static Ducted 7,500 to 24,000 Btu/h 7,500 to 95,900 Btu/h Vertical / Horizontal Air Handler 12,000 to 54,000 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 must not be completed. Due to our policy of continuous product innovation, some specifications may change without notification. © INTRODUCTION | 3 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • 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: Refrigerant Charge Worksheet

    For refrigerant charge purposes, consider only the liquid line; ignore the vapor line(s). Due to our policy of continuous product innovation, some specifications may change without notification. © INTRODUCTION | 7 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 8 For refrigerant charge purposes, consider only the liquid line; ignore the vapor line(s). 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 refrigerant charge purposes, consider only the liquid line; ignore the vapor line(s). Due to our policy of continuous product innovation, some specifications may change without notification. © INTRODUCTION | 9 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 10: Mechanical Specifications

    CEILING-CONCEALED DUCTED HIGH STATIC Mechanical Specifications on page 11 General Data on page 12 Electrical Data on page 17 External Dimensions on page 18 Electrical Wiring Diagrams on page 22 Refrigerant Flow Diagrams on page 30 External Static Pressure and Air Flow on page 32 External Static Pressure Ranges on page 38 Acoustic Data on page 43 Capacity Tables on page 74...
  • Page 11 Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 11 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 12 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Due to our policy of continuous product innovation, some specifications may change without notification. © 12 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 13 Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 13 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 14 Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 14 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 15 Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 15 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 16 Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 16 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 17 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 17 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 18 Figure 3: ARNU073~243BHA4 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © 18 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 19 7-7/32 6-19/32 5-15/32 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 19 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 20 6-27/32 5-1/2 1-3/32 Due to our policy of continuous product innovation, some specifications may change without notification. © 20 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 21 Figure 6: ARNU363~963B8A4 Dimensions. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 21 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 22 Figure 7: ARNU073~243BHA4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 22 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 23 IV, Multi V S Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 23 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 24 Figure 8: ARNU073~423M2A4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 24 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 25 IV, Multi V S Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 25 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 26 Figure 9: ARNU283~ARNU543M3A4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 26 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 27 IV, Multi V S Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 27 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 28 Figure 10: ARNU363~963B8A4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 28 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 29 IV, Multi V S Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 29 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 30 Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © 30 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 31 Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 31 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 32 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. © 32 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 33 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. © HIGH STATIC | 33 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 34 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. © 34 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 35 Figure 14: ARNU073~243M2A4 External Static Pressure and Air Flow Chart. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 35 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 36 Figure 15: ARNU283~423M2A4 External Static Pressure and Air Flow Chart. Due to our policy of continuous product innovation, some specifications may change without notification. © 36 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 37 3000 Q (CFM) Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 37 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 38 The table above shows the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © 38 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 39 The table above shows the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 39 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 40 The table above shows the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © 40 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 41 The table above shows the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 41 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 42 The table above show the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © 42 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 43 45-43-41 44-43-40 49-48-48 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 43 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 44 ARNU483B8A4 ARNU763B8A4 ARNU963B8A4 Due to our policy of continuous product innovation, some specifications may change without notification. © 44 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 45 ARNU153BHA4 ARNU183BHA4 ARNU243BHA4 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 45 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 46 0.16 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 46 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 47 0.16 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 47 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 48 0.20 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 48 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 49 0.20 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 49 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 50 0.24 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 50 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 51 0.24 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 51 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 52 DUCTED DISCHARGE 1340 1300 Due to our policy of continuous product innovation, some specifications may change without notification. © 52 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 53 DUCTED DISCHARGE 1280 1240 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 53 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 54 DUCTED DISCHARGE 1037 Due to our policy of continuous product innovation, some specifications may change without notification. © 54 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 55 DUCTED DISCHARGE 1060 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 55 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 56 DUCTED 1017 DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 56 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 57 DUCTED DISCHARGE 1200 1180 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 57 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 58 Figure 22: ARNU763B8A4, ARNU963B8A4 Sound Pressure Level Diagrams. ARNU763B8A4 ARNU963B8A4 Due to our policy of continuous product innovation, some specifications may change without notification. © 58 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 59 ARNU483B8A4 ARNU763B8A4 ARNU963B8A4 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 59 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 60 ARNU153BHA4 ARNU183BHA4 ARNU243BHA4 Due to our policy of continuous product innovation, some specifications may change without notification. © 60 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 61 0.16 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 61 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 62 0.16 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 62 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 63 0.20 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 63 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 64 0.20 CASING RADIATED Due to our policy of continuous product innovation, some specifications may change without notification. © 64 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 65 0.24 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 65 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 66 0.24 DUCTED DISCHARGE Due to our policy of continuous product innovation, some specifications may change without notification. © 66 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 67 DUCTED DISCHARGE 1340 1300 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 67 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 68 DUCTED DISCHARGE 1280 1240 Due to our policy of continuous product innovation, some specifications may change without notification. © 68 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 69 DUCTED DISCHARGE 1037 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 69 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 70 DUCTED DISCHARGE 1060 Due to our policy of continuous product innovation, some specifications may change without notification. © 70 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 71 DUCTED DISCHARGE 1017 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 71 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 72 DUCTED DISCHARGE 1200 1180 Due to our policy of continuous product innovation, some specifications may change without notification. © 72 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 73 ARNU963B8A4 ARNU483B8A4, ARNU763B8A4 Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 73 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 74 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 74 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 75 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 75 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 76 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 76 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 77 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 77 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 78 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 78 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 79 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 79 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 80 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 80 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 81 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 81 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 82 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 82 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 83 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 83 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 84 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 84 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 85 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 85 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 86 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 86 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 87 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 87 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 88 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 88 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 89 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 89 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 90 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 90 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 91 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 91 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 92 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 92 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 93 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 93 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 94 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 94 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 95 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 95 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 96 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 96 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 97 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 97 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 98 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 98 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 99 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 99 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 100 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 100 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 101 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 101 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 102 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 102 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 103 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 103 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 104 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 104 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 105 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 105 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 106 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 106 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 107 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 107 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 108 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 108 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 109 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 109 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 110 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 110 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 111 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 111 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 112 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 112 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 113 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 113 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 114 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 114 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 115 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 115 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 116 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 116 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 117 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 117 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 118 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 118 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 119 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 119 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 120 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 120 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 121 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 121 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 122 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 122 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 123 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © HIGH STATIC | 123 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 124 All accessories are sold separately. Due to our policy of continuous product innovation, some specifications may change without notification. © 124 | HIGH STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 125: Mechanical Specifications

    CEILING-CONCEALED DUCTED LOW STATIC Mechanical Specifications on page 126 General Data on page 127 Electrical Data on page 128 External Dimensions on page 129 Electrical Wiring Diagrams on page 131 Refrigerant Flow Diagrams on page 134 External Static Pressure and Air Flow on page 135 External Static Pressure Ranges on page 137 Acoustic Data on page 138 Capacity Tables on page 141...
  • Page 126 Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © 126 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 127 February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 127 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 128 Max. power input is rated at maximum setting value. Due to our policy of continuous product innovation, some specifications may change without notification. © 128 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 129 6-1/16 41-11/16 Flange Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 129 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 130 Figure 27: ARNU073L1G4, ARNU093L1G4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 130 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 131 IV Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 131 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 132 Figure 28: ARNU123L2G4, ARNU153L2G4, ARNU183L2G4, ARNU243L3G4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © 132 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 133 IV Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 133 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 134 Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © 134 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 135 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. © LOW STATIC | 135 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 136 750.0 Air Flow(cfm)) Due to our policy of continuous product innovation, some specifications may change without notification. © 136 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 137 The tables above show the available E.S.P. range. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 137 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 138 ARNU073L1G4 ARNU093L1G4 ARNU123L2G4 Due to our policy of continuous product innovation, some specifications may change without notification. © 138 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 139 L3 Units ARNU243L3G4 Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 139 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 140 ARNU153L2G4 ARNU183L2G4 ARNU243L3G4 Due to our policy of continuous product innovation, some specifications may change without notification. © 140 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 141 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 141 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 142 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 142 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 143 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 143 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 144 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 144 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 145 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 145 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 146 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 146 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 147 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 147 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 148 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 148 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 149 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 149 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 150 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 150 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 151 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © LOW STATIC | 151 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 152 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 152 | LOW STATIC LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 153: Mechanical Specifications

    VERTICAL / HORIZONTAL AIR HANDLER Mechanical Specifications on page 154 General Data on page 156 Electrical Data on page 158 External Dimensions on page 159 Electrical Wiring Diagram on page 161 Refrigerant Flow Diagrams on page 165 External Static Pressure and Air Flow on page 166 External Static Pressure Ranges on page 167 Heater Capacity Airflow / Static Pressure Drop Factors on page 168 Acoustic Data on page 169...
  • Page 154 30 minutes following Due to our policy of continuous product innovation, some specifications may change without notification. © 154 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 155 2 to 3 rows, 18 fins per inch. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 155 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 156 February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 156 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 157 February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 157 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 158 Max. power input is rated at maximum setting value. Due to our policy of continuous product innovation, some specifications may change without notification. © 158 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 159 ±1/4 in. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 159 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 160 ±1/4 in. Due to our policy of continuous product innovation, some specifications may change without notification. © 160 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 161 Figure 40: ARNU123~363NJA4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 161 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 162 Water IV Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © 162 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 163 Figure 41: ARNU423~543NKA4 Wiring Diagram. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 163 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 164 Water IV Engineering Manual for additional information. Due to our policy of continuous product innovation, some specifications may change without notification. © 164 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 165 Pipe in thermistor Pipe out thermistor Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 165 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 166 1200 1300 1400 1500 Due to our policy of continuous product innovation, some specifications may change without notification. © 166 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 167 If the ESP is set incorrectly, the air conditioning may malfunction. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 167 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 168 If the ESP setting value is inappropriate, the provided safety device will turn the heater off according to the airflow. Due to our policy of continuous product innovation, some specifications may change without notification. © 168 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 169 Figure 46: ARNU123NJA4, ARNU183NJA4, and ARNU243NJA4 Sound Pressure Level Diagrams. ARNU123NJA4 ARNU183NJA4 ARNU243NJA4 Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 169 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 170 Figure 48: ARNU483NKA4 and ARNU543NKA4 Sound Pressure Level Diagrams. ARNU483NKA4 ARNU543NKA4 Due to our policy of continuous product innovation, some specifications may change without notification. © 170 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 171 Figure 49: ARNU123NJA4, ARNU183NJA4, and ARNU243NJA4 Sound Power Level Diagrams. ARNU123NJA4 ARNU183NJA4 ARNU243NJA4 Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 171 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 172 Figure 51: ARNU483NKA4 and ARNU543NKA4 Sound Power Level Diagrams. ARNU483NKA4 ARNU543NKA4 Due to our policy of continuous product innovation, some specifications may change without notification. © 172 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 173 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 173 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 174 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 174 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 175 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 175 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 176 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 176 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 177 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 177 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 178 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 178 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 179 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 179 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 180 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 180 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 181 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 181 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 182 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 182 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 183 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 183 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 184 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 184 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 185 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 185 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 186 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 186 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 187 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 187 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 188 Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019. Due to our policy of continuous product innovation, some specifications may change without notification. © 188 | VAH LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 189: Optional Accessories

    For additional information, refer to the Electric Heater Manual. Due to our policy of continuous product innovation, some specifications may change without notification. © VAH | 189 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 190: Application Guidelines

    APPLICATION GUIDELINES Selecting the Best Location on page 191 General Mounting - High and Low Static Ducted Units on page 193 General Mounting - Vertical / Horizontal Air Handler Units on page 195 General Drain Piping Information on page 197 Wiring Guidelines on page 199 Wired Controller Location on page 201 Acronyms on page 202...
  • Page 191 Unit: Inch Unit: Inch Due to our policy of continuous product innovation, some specifications may change without notification. © GUIDELINES | 191 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 192 / communications cable >14 Unit: Inches Due to our policy of continuous product innovation, some specifications may change without notification. © 192 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 193 19/32 47-9/16 11-15/32 49-7/32 Due to our policy of continuous product innovation, some specifications may change without notification. © GUIDELINES | 193 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 194 There is a risk of personal injury from falling equipment. Due to our policy of continuous product innovation, some specifications may change without notification. © 194 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 195 ARNU483NKA4 48,000 ARNU543NKA4 54,000 Due to our policy of continuous product innovation, some specifications may change without notification. © GUIDELINES | 195 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 196 Air Filter Cover Bottom Due to our policy of continuous product innovation, some specifications may change without notification. © 196 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 197 Clamp the Flexible Drain Hose Connection Due to our policy of continuous product innovation, some specifications may change without notification. © GUIDELINES | 197 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 198: Drain Piping

    Due to our policy of continuous product innovation, some specifications may change without notification. © 198 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 199: Wiring Guidelines

    3. Secure the power wiring / communications cable. Due to our policy of continuous product innovation, some specifications may change without notification. © GUIDELINES | 199 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 200 60 Hz / 1 Phase Due to our policy of continuous product innovation, some specifications may change without notification. © 200 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 201 • 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. © GUIDELINES | 201 LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

  • Page 202: Acronyms

    Water Gauge Inside Diameter Due to our policy of continuous product innovation, some specifications may change without notification. © 202 | GUIDELINES LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 203 EM_MultiV_Ducted_IndoorUnits_05_19 Supersedes: EM_MultiV_Ducted_IndoorUnits_03_19 LG Electronics, U.S.A., Inc. EM_MultiV_Ducted_IndoorUnits_8_17 Air Conditioning Technologies EM_MultiV_Ducted_IndoorUnits_11_16 4300 North Point Parkway EM_MultiV_Ducted_IndoorUnits_8_16 Alpharetta, Georgia 30022 EM_MultiV_Ducted_IndoorUnits_4_16 www.lghvac.com...

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