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LG ARNU073BHA4, Engineering Manual

The LG ARNU073BHA4 Engineering Manual is the go-to resource for understanding and operating this exceptional product. This comprehensive manual is available for free download from our manualshive.com in a user-friendly format, providing all the necessary instructions and information you need to optimize your experience with the LG ARNU073BHA4.

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EM_MultiV_Ducted_IndoorUnits_05_19

Supersedes: EM_MultiV_Ducted_IndoorUnits_03_19

EM_MultiV_Ducted_IndoorUnits_8_17

EM_MultiV_Ducted_IndoorUnits_11_16

EM_MultiV_Ducted_IndoorUnits_8_16

EM_MultiV_Ducted_IndoorUnits_4_16

LG Electronics, U.S.A., Inc.

Air Conditioning Technologies

4300 North Point Parkway

Alpharetta, Georgia 30022

www.lghvac.com

Summary of Contents for ARNU073BHA4

Page 1: ...DUCTED INDOOR UNIT ENGINEERING MANUAL High Static Ducted 7 500 to 95 900 Btu h Low Static Ducted 7 500 to 24 000 Btu h Vertical Horizontal Air Handler 12 000 to 54 000 Btu h ...

Page 2: ...l as all reports illustrations data information and other materials are the property of LG Electronics U S A Inc and are disclosed by LG Electronics U S A Inc only in confidence This document is for design purposes only 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 ...

Page 3: ...acity Tables 141 152 Vertical Horizontal Air Handler Units 153 189 Mechanical Specifications 154 155 General Data 156 157 Electrical Data 158 External Dimensions 159 160 Electrical Wiring Diagrams 161 164 Refrigerant Flow Diagrams 165 External Static Pressure and Air Flow 166 External Static Pressure Ranges 167 Heater Capacity Airflow Static Pressure Drop Factors 168 Acoustic Data 169 172 Capacity...

Page 4: ... ARN Multi V Indoor Unit Refrigerant R410A B8 Ducted high static BH Ducted high static CE Floor Standing small frame CF Floor Standing large frame L1 Ducted low static L2 Ducted low static L3 Ducted low static M2 Ducted high static M3 Ducted high static NJ Vertical Horizontal Air Handling Unit NK Vertical Horizontal Air Handling Unit SF Wall Mounted Art Cool Gallery SJ Wall Mounted Art Cool Mirror...

Page 5: ... LG LATS program with Revit software It permits engineers to layout and validate Multi V VRF systems directly into Revit drawings AutoCAD and Revit are both registered marks of Autodesk Inc Features All LG product design criteria have been loaded into the program making LATS simple to use double click or drag and drop the com ponent choices Build systems in Tree Mode where the refrigerant system c...

Page 6: ...Outdoor unit cannot be placed where originally intended Structural elements prevent routing the piping as planned Air conditioning system conflicts with other building systems plumbing gas lines etc The contractor must mark any deviation from the design on the Shop Drawing including as built straight lines and elbows This Mark Up drawing must be returned to the design engineer or Rep who must inpu...

Page 7: ... to 7k 0 40 16 4 Way 2 x 2 Cassette TR 9k to 12k 0 55 17 4 Way 2 x 2 Cassette TQ 15k to 18k 0 71 18 4 Way 3 x 3 Cassette TN 7k to 24k 0 88 19 4 Way 3 x 3 Cassette TM 28k to 36k 1 08 20 4 Way 3 x 3 Cassette TM 42k to 48k 1 41 21 High Static Ducted BH 7k to 24k 0 57 22 High Static Ducted M2 7k to 24k 0 77 23 High Static Ducted M2 28k to 42k 1 15 24 High Static Ducted M3 28k to 54k 1 35 25 High Stati...

Page 8: ...Way Cassette TS 18k to 24k 0 75 15 4 Way 2 x 2 Cassette TR 5k to 7k 0 40 16 4 Way 2 x 2 Cassette TR 9k to 12k 0 55 17 4 Way 2 x 2 Cassette TQ 15k to 18k 0 71 18 4 Way 3 x 3 Cassette TN 7k to 24k 0 88 19 4 Way 3 x 3 Cassette TM 28k to 36k 1 08 20 4 Way 3 x 3 Cassette TM 42k to 48k 1 41 21 High Static Ducted BH 7k to 24k 0 57 22 High Static Ducted M2 7k to 24k 0 77 23 High Static Ducted M2 28k to 42...

Page 9: ... Cassette TT 18k to 24k 0 64 14 2 Way Cassette TS 18k to 24k 0 75 15 4 Way 2 x 2 Cassette TR 5k to 7k 0 40 16 4 Way 2 x 2 Cassette TR 9k to 12k 0 55 17 4 Way 2 x 2 Cassette TQ 15k to 18k 0 71 18 4 Way 3 x 3 Cassette TN 7k to 24k 0 88 19 4 Way 3 x 3 Cassette TM 28k to 36k 1 08 20 4 Way 3 x 3 Cassette TM 42k to 48k 1 41 21 High Static Ducted BH 7k to 24k 0 57 22 High Static Ducted M2 7k to 24k 0 77 ...

Page 10: ...rical 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 Optional Accessories on page 124 ...

Page 11: ...stics auto restart following power restoration test run and will operate the indoor unit using one of five operating modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery systems the Auto Changeover setting automati cally switches control of the indoor unit between cooling and heating modes based on space temperature conditions For Heat Pump systems heat...

Page 12: ...07 466 413 258 618 519 445 Airflow Rate H M L CFM High Mode Factory Set 230 205 191 286 230 205 339 286 230 399 339 230 459 399 339 565 509 459 External Static Pressure in wg Standard Mode 0 23 0 23 0 23 0 23 0 23 0 23 External Static Pressure in wg High Mode Factory Set 0 31 0 31 0 31 0 31 0 31 0 31 Piping Liquid Line in O D 1 4 Flare 1 4 Flare 1 4 Flare 1 4 Flare 1 4 Flare 3 8 Flare Vapor Line i...

Page 13: ...Factory Set 468 381 294 468 381 294 512 425 337 512 425 337 673 512 425 External Static Pressure in wg Standard Mode 0 20 0 20 0 20 0 20 0 20 External Static Pressure in wg High Mode Factory Set 0 24 0 24 0 24 0 24 0 24 Piping Liquid Line in O D 1 4 Flare 1 4 Flare 1 4 Flare 1 4 Flare 1 4 Flare Vapor Line in O D 1 2 Flare 1 2 Flare 1 2 Flare 1 2 Flare 1 2 Flare Condensate Line in I D 1 1 1 1 1 Tab...

Page 14: ...60 1 076 888 External Static Pressure in wg Standard Mode 0 20 0 20 0 20 0 20 External Static Pressure in wg High Mode Factory Set 0 24 0 24 0 24 0 24 Piping Liquid Line in O D 3 8 Flare 3 8 Flare 3 8 Flare 3 8 Flare Vapor Line in O D 5 8 Flare 5 8 Flare 5 8 Flare 5 8 Flare Condensate Line in I D 1 1 1 1 DUCTED HIGH STATIC General Data M2 Units Table 3 Ducted High Static M2 Frame Indoor Unit Gener...

Page 15: ...017 837 1 449 1 191 918 1 449 1 191 918 1 482 1 191 918 1 744 1 614 1 482 External Static Pressure in wg Standard Mode 0 19 0 19 0 19 0 19 0 19 External Static Pressure in wg High Mode Factory Set 0 23 0 23 0 23 0 23 0 23 Piping Liquid Line in O D 3 8 Flare 3 8 Flare 3 8 Flare 3 8 Flare 3 8 Flare Vapor Line in O D 5 8 Flare 5 8 Flare 5 8 Flare 5 8 Flare 5 8 Flare Condensate Line in I D 1 1 1 1 1 T...

Page 16: ... 730 1 317 1 066 1 914 1 458 1 123 2 019 1 518 1 200 2 260 1 766 1 766 2 542 2 260 2 260 External Static Pressure in wg Standard Mode 0 35 0 35 0 35 0 59 0 59 External Static Pressure in wg High Mode Factory Set 0 70 0 70 0 70 0 87 0 87 Piping Liquid Line in O D 3 8 Flare 3 8 Flare 3 8 Flare 3 8 Flare 3 8 Flare Vapor Line in O D 3 4 Brazed 3 4 Brazed 3 4 Brazed 3 4 Brazed 7 8 Brazed Condensate Lin...

Page 17: ...123M2A4 2 9 2 3 430 430 25 34 43 ARNU153M2A4 2 9 2 3 430 430 25 34 43 ARNU183M2A4 2 9 2 3 430 430 34 43 67 ARNU243M2A4 2 9 2 3 430 430 34 43 67 ARNU283M2A4 2 9 2 3 430 430 57 88 123 ARNU363M2A4 2 9 2 3 430 430 88 123 184 ARNU423M2A4 2 9 2 3 430 430 136 193 231 M3 Units ARNU283M3A4 208 230 3 1 15 2 5 60 208 230 1 650 650 60 83 109 ARNU363M3A4 3 1 2 5 650 650 75 107 161 ARNU423M3A4 3 1 2 5 650 650 7...

Page 18: ...icy 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 DUCTED HIGH STATIC External Dimensions BH Units Figure 3 ARNU073 243BHA4 Dimensions ...

Page 19: ... Cliffs NJ All rights reserved LG is a registered trademark of LG Corp DUCTED HIGH STATIC External Dimensions M2 Units Figure 4 ARNU073 423M2A4 Dimensions 7 7 32 6 19 32 5 15 32 7 8 27 1 4 24 3 8 7 7 8 10 11 16 9 5 16 9 3 32 10 11 16 16 9 16 50 17 32 27 32 2 1 32 8 21 32 9 1 4 10 13 32 14 9 32 54 7 32 49 9 32 47 15 32 49 3 16 47 1 2 3 9 16 27 9 16 26 5 32 1 25 32 27 1 16 ...

Page 20: ...nglewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp DUCTED HIGH STATIC External Dimensions M3 Units Figure 5 ARNU283 543M3A4 Dimensions 12 21 32 12 27 32 12 3 4 14 27 32 14 3 16 11 7 16 27 3 16 24 3 8 7 3 8 6 27 32 5 1 2 1 3 32 50 9 16 54 11 32 49 1 4 3 5 8 13 16 2 7 32 6 5 32 6 3 4 7 15 16 12 23 32 28 9 16 47 19 32 49 3 16 27 19 32 26 3 16 2 1 32 27 1 8 47 9 16 ...

Page 21: ...ous 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 DUCTED HIGH STATIC External Dimensions B8 Units Figure 6 ARNU363 963B8A4 Dimensions ...

Page 22: ...f 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 DUCTED HIGH STATIC Electrical Wiring Diagram BH Units Figure 7 ARNU073 243BHA4 Wiring Diagram ...

Page 23: ...oom sensor Room air thermistor CN REMO Wired remote controller Wired remote control connection CN D PUMP Drain pump output AC output for drain pump CN 485 Communication Connection between indoor and outdoor units For Gen 4 Multi V ducted indoor units DIP Switches 1 2 6 through 8 must be set to OFF These DIP switches are used for other models To enable Generation 4 features outdoor unit DIP Switch ...

Page 24: ...f 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 DUCTED HIGH STATIC Electrical Wiring Diagram M2 Units Figure 8 ARNU073 423M2A4 Wiring Diagram ...

Page 25: ...US FAN Off On Selects continuous fan for ducted indoor units 1 On Indoor unit fan will always operate at a set fan speed except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off Terminal Purpose Function CN POWER AC Power supply AC Power line CN MOTO...

Page 26: ...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 DUCTED HIGH STATIC Electrical Wiring Diagram M3 Units Figure 9 ARNU283 ARNU543M3A4 Wiring Diagram ...

Page 27: ...ontinuous fan for ducted indoor units 1 On Indoor unit fan will always operate at a set fan speed except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off Terminal Purpose Function CN POWER AC Power supply AC Power line CN MOTOR1 Fan motor output Mot...

Page 28: ... 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 DUCTED HIGH STATIC Electrical Wiring Diagram B8 Units Figure 10 ARNU363 963B8A4 Wiring Diagram ...

Page 29: ...ontinuous fan for ducted indoor units 1 On Indoor unit fan will always operate at a set fan speed except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off Terminal Purpose Function CN POWER AC Power supply AC Power line CN MOTOR1 Fan motor output Mot...

Page 30: ...Pipe Connection Port Diameters Model Liquid inch Vapor inch BH Units ARNU073BHA4 1 4 Flare 1 2 Flare ARNU093BHA4 ARNU123BHA4 ARNU153BHA4 ARNU183BHA4 ARNU243BHA4 3 8 Flare 5 8 Flare M2 Units ARNU073M2A4 1 4 Flare 1 2 Flare ARNU093M2A4 1 4 Flare 1 2 Flare ARNU123M2A4 1 4 Flare 1 2 Flare ARNU153M2A4 1 4 Flare 1 2 Flare ARNU183M2A4 1 4 Flare 1 2 Flare ARNU243M2A4 3 8 Flare 5 8 Flare ARNU283M2A4 3 8 Fl...

Page 31: ... Diagram B8 Units Figure 12 B8 Unit Refrigerant Flow Diagram Table 17 B8 Unit Refrigerant Pipe Connection Port Diameters Table 18 B8 Unit Thermistors Heat Exchanger Sirocco Fan TH3 TH1 TH2 lndoor unit EEV Heating Cooling Filter Check Valve Solenoid Valve Filter Model Liquid inch Vapor inch ARNU363B8A4 3 8 Flare 3 4 Brazed ARNU423B8A4 ARNU483B8A4 ARNU763B8A4 ARNU963B8A4 7 8 Brazed Thermistor Descri...

Page 32: ...l Static Pressure and Air Flow Table Set Value Static Pressure in wg 0 12 0 15 0 19 0 23 0 27 0 31 0 35 0 39 0 47 70 95 80 187 90 275 215 127 102 100 360 286 212 134 117 110 445 410 311 258 208 148 120 554 501 420 357 297 230 177 155 130 632 583 547 466 417 339 268 215 152 140 724 671 622 569 540 459 427 364 205 145 756 703 682 618 569 509 480 392 279 150 795 752 703 667 622 565 505 491 364 BH Uni...

Page 33: ...nal Static Pressure and Air Flow Table M2 Unit External Static Pressure and Air Flow Table Set value Static Pressure in wg 0 16 0 24 0 31 0 39 0 47 0 55 0 63 0 71 Air Flow Rate CFM 90 812 95 914 676 100 1010 823 105 1110 931 691 110 1208 1056 854 115 1292 1153 1016 765 120 1383 1260 1121 926 692 125 1473 1358 1227 1087 857 130 1554 1456 1332 1203 1023 787 135 1545 1437 1318 1150 971 723 140 1534 1...

Page 34: ...7 0 59 0 71 0 79 0 86 0 90 0 98 60 1 430 65 1 861 1 388 70 2 249 1 663 75 2 511 2 009 1 578 80 2 694 2 461 1 949 85 2 941 2 775 2 380 1 974 1 123 91 3 167 3 076 2 786 2 387 1 914 95 3 298 3 227 3 040 2 719 2 345 1 787 1 059 100 3 298 3 227 3 118 2 998 2 680 2 454 2 147 1 522 105 3 291 3 224 3 118 2 998 2 864 2 733 2 443 2 398 1 811 1 All static pressure air flow rates are listed in CFM 2 The table...

Page 35: ...s a registered trademark of LG Corp DUCTED HIGH STATIC External Static Pressure and Air Flow Charts Figure 13 BH Unit External Static Pressure and Air Flow Chart BH M2 Units Figure 14 ARNU073 243M2A4 External Static Pressure and Air Flow Chart BH Unit External Static Pressure and Air Flow Chart M2 Unit External Static Pressure and Air Flow Chart ARNU073 243M2A4 External Static Pressure and Air Flo...

Page 36: ...on LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 15 ARNU283 423M2A4 External Static Pressure and Air Flow Chart M2 Unit External Static Pressure and Air Flow Chart ARNU283 423M2A4 External Static Pressure and Air Flow chart DUCTED HIGH STATIC External Static Pressure and Air Flow Charts M2 Units ...

Page 37: ... Corp Figure 16 M3 Unit External Static Pressure and Air Flow Chart Figure 17 B8 Unit External Static Pressure and Air Flow Chart 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 1000 1500 2000 2500 3000 P Q CFM ESP Setting 105 ESP Setting 95 ESP Setting 85 ESP Setting 75 DUCTED HIGH STATIC External Static Pressure and Air Flow Charts M3 B8 Units M3 Unit External Static Pressure and Air Flow Chart B8 Unit Extern...

Page 38: ... Mid 107 222 Low 105 198 ARNU093BHA4 9 6 High Factory Set Hl 125 0 31 286 0 23 0 47 Mid 120 230 Low 117 205 Standard Hl 110 0 23 258 0 15 0 31 Mid 107 222 Low 105 198 ARNU123BHA4 12 3 High Factory Set Hl 130 0 31 339 0 23 0 47 Mid 125 286 Low 120 230 Standard Hl 115 0 23 307 0 15 0 31 Mid 110 258 Low 105 198 ARNU153BHA4 15 4 High Factory Set Hl 135 0 31 399 0 23 0 47 Mid 130 339 Low 120 230 Standa...

Page 39: ...399 Low 77 327 ARNU093M2A4 9 0 High Factory Set High 83 0 24 468 0 16 0 71 Mid 81 381 Low 79 294 Standard High 81 0 20 477 0 16 0 71 Mid 79 399 Low 77 327 ARNU123M2A4 12 0 High Factory Set High 84 0 24 512 0 16 0 71 Mid 82 425 Low 80 337 Standard High 82 0 20 520 0 16 0 71 Mid 80 435 Low 78 363 ARNU153M2A4 15 0 High Factory Set High 84 0 24 512 0 16 0 71 Mid 82 425 Low 80 337 Standard High 82 0 20...

Page 40: ...inued Model Capacity MBh Mode Setting Value Standard ESP in wg CFM Min ESP in wg Max ESP in wg ARNU283M2A4 28 0 High Factory Set High 101 0 24 845 0 16 0 71 Mid 95 676 Low 90 528 Standard High 99 0 20 892 0 16 0 71 Mid 94 770 Low 89 645 ARNU363M2A4 36 0 High Factory Set High 109 0 24 1031 0 16 0 71 Mid 101 845 Low 95 676 Standard High 105 0 20 1021 0 16 0 71 Mid 97 844 Low 92 695 ARNU423M2A4 42 0 ...

Page 41: ...2 1017 Low 78 837 Standard High 83 0 19 1235 0 16 0 79 Mid 79 1060 Low 75 915 ARNU36GM3A4 36 0 High Factory Set High 90 0 23 1449 0 16 0 79 Mid 84 1191 Low 79 918 Standard High 85 0 19 1327 0 16 0 79 Mid 80 1097 Low 76 952 ARNU42GM3A4 42 0 High Factory Set High 90 0 23 1449 0 16 0 79 Mid 84 1191 Low 79 918 Standard High 85 0 19 1327 0 16 0 79 Mid 80 1097 Low 76 952 ARNU48GM3A4 48 0 High Factory Se...

Page 42: ... Set High 93 0 70 1 914 0 35 0 98 Mid 89 1 459 Low 85 1 123 Standard High 75 0 35 1 964 0 35 0 98 Mid 71 1 787 Low 66 1 589 ARNU483B8A4 48 1 High Factory Set High 94 0 70 2 020 0 35 0 98 Mid 90 1 519 Low 86 1 201 Standard High 76 0 35 2 048 0 35 0 98 Mid 71 1 847 Low 67 1 670 ARNU763B8A4 76 4 High Factory Set High 102 0 86 2 119 0 47 0 98 Mid 98 1 766 Low 98 1 766 Standard High 86 0 59 2 260 0 47 ...

Page 43: ...ed in dB A with a tolerance of 3 Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 Operating Conditions Power source 220V 60 Hz Sound level will vary depending on a range of factors including the construc tion acoustic absorption coefficient of a particular room in which the unit was installed Sound Pressure for BH Units Sound Pressure for M2 Units Model Sound Pressur...

Page 44: ...s Model Sound Pressure Levels dB A H M L External Static Pressure in wg 0 16 0 20 0 24 0 79 ARNU283M3A4 38 37 33 39 37 35 40 39 37 46 46 44 ARNU363M3A4 39 38 34 40 38 36 41 39 37 45 45 46 ARNU423M3A4 39 38 34 40 38 36 41 39 37 45 45 46 ARNU483M3A4 40 38 37 41 39 36 42 39 37 47 45 46 ARNU543M3A4 44 42 40 44 42 41 44 43 42 47 47 47 Model Sound Pressure Levels dB A High Fan Speed Medium Fan Speed Low...

Page 45: ...d Cliffs NJ All rights reserved LG is a registered trademark of LG Corp DUCTED HIGH STATIC Acoustic Data Sound Pressure Levels for BH Units Figure 19 ARNU073BHA4 ARNU093BHA4 and ARNU123BHA4 Sound Pressure Level Diagrams Figure 20 ARNU153BHA4 ARNU183BHA4 and ARNU243BHA4 Sound Pressure Level Diagrams ARNU073BHA4 ARNU093BHA4 ARNU123BHA4 ARNU153BHA4 ARNU183BHA4 ARNU243BHA4 ...

Page 46: ...H 0 16 1010 1030 37 40 40 43 41 36 28 22 M 930 873 35 39 38 41 39 34 27 20 L 880 770 35 34 43 38 35 29 21 13 CASING RADIATED H 1010 1030 35 37 39 38 38 33 25 18 M 930 873 32 35 37 36 35 31 22 15 L 880 770 37 32 38 31 30 24 16 8 DUCTED DISCHARGE H 1010 1030 39 40 42 45 46 41 34 31 M 930 873 37 38 40 43 43 39 32 28 L 880 770 38 34 45 40 39 34 26 19 ARNU283M2A4 RETURN OPENING H 0 16 960 933 36 40 39 ...

Page 47: ...9 36 29 28 22 14 5 DUCTED DISCHARGE H 770 587 37 33 44 40 38 33 25 18 M 730 463 36 32 43 39 37 32 24 18 L 690 323 35 31 42 38 36 31 23 17 ARNU123M2A4 RETURN OPENING H 0 16 770 587 36 35 44 39 36 29 22 14 M 730 463 36 34 44 38 36 29 21 14 L 690 323 35 34 43 38 35 29 21 13 CASING RADIATED H 770 587 37 31 38 31 30 24 16 7 M 730 463 36 31 37 30 29 23 15 6 L 690 323 35 30 36 29 28 22 14 6 DUCTED DISCHA...

Page 48: ...7 21 L 910 695 35 40 38 41 39 32 25 17 CASING RADIATED H 1050 1021 29 42 40 38 39 34 26 18 M 970 844 33 36 38 37 37 32 24 15 L 910 695 31 36 38 34 33 28 19 12 DUCTED DISCHARGE H 1050 1021 45 40 44 46 46 42 35 32 M 970 844 43 40 41 44 44 39 32 28 L 910 695 43 38 40 42 42 37 29 23 ARNU283M2A4 RETURN OPENING H 0 20 990 892 37 39 40 43 42 35 28 22 M 940 770 36 41 39 42 40 33 26 18 L 890 645 35 40 38 4...

Page 49: ...6 33 32 26 17 11 DUCTED DISCHARGE H 820 520 43 37 40 42 41 36 29 22 M 800 435 42 37 39 41 41 36 28 22 L 780 363 42 36 39 41 40 35 28 21 ARNU123M2A4 RETURN OPENING H 0 20 820 520 36 40 39 42 39 33 26 18 M 800 435 35 40 38 41 39 32 26 18 L 780 363 35 40 38 41 39 32 25 17 CASING RADIATED H 820 520 31 36 38 34 34 28 19 12 M 800 435 31 35 37 34 33 27 18 12 L 780 363 30 35 37 33 33 27 18 11 DUCTED DISCH...

Page 50: ...1090 1031 33 46 40 43 43 37 30 25 M 1010 845 33 42 39 42 41 34 28 21 L 950 676 36 38 38 40 39 32 26 19 CASING RADIATED H 1090 1031 30 49 39 38 39 34 27 21 M 1010 845 30 37 37 36 37 31 23 15 L 950 676 31 32 36 34 34 28 20 11 DUCTED DISCHARGE H 1090 1031 47 44 43 46 47 42 36 33 M 1010 845 48 41 41 43 44 39 33 28 L 950 676 45 39 39 42 42 37 30 25 ARNU283M2A4 RETURN OPENING H 0 24 1010 845 33 43 39 42...

Page 51: ...6 34 34 29 21 12 DUCTED DISCHARGE H 840 512 45 38 38 41 42 37 30 25 M 820 425 44 38 38 41 41 36 29 24 L 800 337 44 37 37 40 41 36 29 24 ARNU123M2A4 RETURN OPENING H 0 24 840 512 37 39 39 42 41 33 27 20 M 820 425 37 39 38 41 40 33 27 19 L 800 337 37 39 38 41 40 33 26 19 CASING RADIATED H 840 512 32 33 37 35 35 30 22 13 M 820 425 32 33 37 35 35 30 22 13 L 800 337 31 32 36 35 34 29 21 12 DUCTED DISCH...

Page 52: ... 47 53 55 55 56 48 41 33 M 1480 969 45 52 54 54 55 47 40 32 L 1440 835 43 49 52 52 53 44 37 30 CASING RADIATED H 1500 1036 46 51 52 56 57 48 40 30 M 1480 969 45 50 51 55 55 46 38 28 L 1440 835 42 47 48 52 52 43 35 25 DUCTED DISCHARGE H 1500 1036 63 59 56 58 59 57 48 39 M 1480 969 62 57 55 57 57 56 47 38 L 1440 835 60 55 52 54 55 53 44 35 ARNU283M2A4 RETURN OPENING H 0 71 1480 969 46 52 55 55 56 47...

Page 53: ... 37 30 20 DUCTED DISCHARGE H 1340 528 56 51 49 51 51 50 41 32 M 1300 353 54 49 46 48 49 47 39 30 L 1260 258 48 45 45 49 50 47 39 29 ARNU123M2A4 RETURN OPENING H 0 71 1340 528 40 46 49 49 50 41 34 27 M 1300 353 37 43 46 45 46 38 31 23 L 1260 258 42 46 45 46 45 38 30 22 CASING RADIATED H 1340 528 38 43 44 48 48 39 31 21 M 1300 353 35 40 41 45 45 37 29 18 L 1260 258 41 42 41 42 42 38 30 21 DUCTED DIS...

Page 54: ...740 1037 34 28 30 31 26 22 16 8 DUCTED DISCHARGE H 830 1336 30 34 38 43 42 35 31 21 M 780 1171 28 32 36 41 40 33 29 19 L 740 1037 27 31 36 40 37 31 26 13 ARNU423M3A4 RETURN OPENING H 0 16 810 1269 28 35 35 39 38 30 24 14 M 760 1106 32 33 34 37 35 27 19 6 L 700 891 30 31 32 35 33 25 17 4 CASING RADIATED H 810 1269 22 29 33 34 31 26 20 10 M 760 1106 35 28 30 31 27 23 16 9 L 700 891 34 27 29 30 26 22...

Page 55: ...2 29 25 20 11 DUCTED DISCHARGE H 890 1457 40 35 42 45 44 38 35 30 M 820 1189 37 32 39 42 41 35 32 27 L 760 952 34 29 36 39 38 33 30 24 ARNU423M3A4 RETURN OPENING H 0 20 850 1327 29 36 37 40 39 32 27 19 M 800 1097 27 34 35 38 37 30 25 17 L 760 952 26 33 34 37 36 28 23 15 CASING RADIATED H 850 1327 27 32 33 35 32 28 22 21 M 800 1097 26 31 32 34 31 26 21 13 L 760 952 25 30 31 33 29 25 20 11 DUCTED DI...

Page 56: ...90 918 27 28 32 33 29 25 19 8 DUCTED DISCHARGE H 920 1482 36 36 41 45 45 39 35 28 M 840 1191 31 34 39 43 42 36 32 23 L 790 918 30 32 37 41 40 34 30 22 ARNU423M3A4 RETURN OPENING H 0 24 910 1449 31 38 40 42 42 34 29 21 M 840 1191 31 36 36 40 39 31 25 16 L 790 918 30 34 35 38 37 29 24 15 CASING RADIATED H 910 1449 26 35 37 37 34 30 24 14 M 840 1191 29 30 34 35 31 27 20 9 L 790 918 27 28 32 34 30 26 ...

Page 57: ...1260 1214 57 52 46 49 50 47 41 33 L 1200 868 57 51 45 48 49 46 40 32 ARNU423M3A4 RETURN OPENING H 0 79 1260 1214 41 45 43 45 47 38 33 26 M 1220 988 40 44 43 45 47 37 33 25 L 1200 868 40 44 42 45 46 37 32 25 CASING RADIATED H 1260 1214 39 43 40 41 40 37 32 23 M 1220 988 38 42 39 40 40 36 31 23 L 1200 868 38 42 39 40 39 36 31 22 DUCTED DISCHARGE H 1260 1214 58 52 46 49 50 47 41 33 M 1220 988 57 52 4...

Page 58: ...ectronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 21 ARNU363B8A4 ARNU423B8A4 and ARNU483B8A4 Sound Pressure Level Diagrams DUCTED HIGH STATIC Acoustic Data Sound Pressure Levels for B8 Units ARNU363B8A4 ARNU483B8A4 ARNU423B8A4 Figure 22 ARNU763B8A4 ARNU963B8A4 Sound Pressure Level Diagrams ARNU963B8A4 ARNU763B8A4 ...

Page 59: ...tatic Pressure in wg 0 16 0 20 0 24 0 71 ARNU073M2A4 51 51 50 52 52 52 53 52 52 63 61 59 ARNU093M2A4 51 51 50 52 52 52 53 52 52 63 61 59 ARNU123M2A4 52 51 50 53 52 52 53 53 52 64 62 60 ARNU153M2A4 52 51 50 53 52 52 53 53 52 64 62 60 ARNU183M2A4 52 52 51 53 53 52 54 53 53 64 62 60 ARNU243M2A4 52 52 51 53 53 52 54 53 53 64 62 60 ARNU283M2A4 62 60 59 62 60 59 64 61 57 73 70 69 ARNU363M2A4 62 61 58 63...

Page 60: ...U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 23 ARNU073BHA4 ARNU093BHA4 and ARNU123BHA4 Sound Power Level Diagrams ARNU073BHA4 ARNU093BHA4 ARNU123BHA4 Figure 24 ARNU153BHA4 ARNU183BHA4 and ARNU243BHA4 Sound Power Level Diagrams DUCTED HIGH STATIC Acoustic Data Sound Power Levels for BH Units ARNU153BHA4 ARNU183BHA4 ARNU243BHA4 ...

Page 61: ...9 49 53 52 47 41 36 M 930 873 42 47 47 51 50 46 39 34 L 880 770 43 42 52 48 46 40 34 27 CASING RADIATED H 1010 1030 42 45 48 48 49 45 37 32 M 930 873 39 43 46 46 46 43 35 29 L 880 770 44 40 47 41 41 36 29 21 DUCTED DISCHARGE H 1010 1030 46 48 51 55 57 53 47 44 M 930 873 44 46 49 53 54 50 45 42 L 880 770 45 42 54 50 50 46 39 33 ARNU283M2A4 RETURN OPENING H 0 16 960 933 43 48 48 51 51 46 40 34 M 920...

Page 62: ...8 47 43 36 30 M 730 463 42 38 50 47 46 42 35 29 L 690 323 41 37 49 46 45 41 34 28 ARNU123M2A4 RETURN OPENING H 0 16 770 587 41 40 51 46 44 39 32 25 M 730 463 41 40 50 46 44 38 32 25 L 690 323 40 40 50 45 44 38 31 25 CASING RADIATED H 770 587 42 37 44 39 38 34 26 18 M 730 463 41 36 44 38 38 33 25 18 L 690 323 40 36 43 37 37 32 24 17 DUCTED DISCHARGE H 770 587 43 39 51 48 47 43 36 30 M 730 463 42 38...

Page 63: ...42 48 47 51 49 44 38 30 CASING RADIATED H 1050 1021 36 50 49 48 50 45 39 32 M 970 844 41 44 47 47 48 44 36 28 L 910 695 39 44 47 44 44 40 32 26 DUCTED DISCHARGE H 1050 1021 52 48 53 56 57 53 48 46 M 970 844 50 48 50 54 55 51 45 42 L 910 695 51 46 49 52 53 48 42 36 ARNU283M2A4 RETURN OPENING H 0 20 990 892 44 47 48 52 52 47 40 35 M 940 770 43 48 47 51 50 44 38 31 L 890 645 42 47 46 50 49 43 37 30 C...

Page 64: ...50 50 46 40 34 M 800 435 48 43 47 49 50 46 39 34 L 780 363 47 43 46 49 49 45 39 33 ARNU123M2A4 RETURN OPENING H 0 20 820 520 40 46 45 49 48 42 36 29 M 800 435 40 46 45 49 48 42 36 29 L 780 363 40 46 45 49 47 42 36 28 CASING RADIATED H 820 520 36 41 45 42 42 37 29 23 M 800 435 36 41 44 41 42 37 29 23 L 780 363 35 41 44 41 41 36 28 22 DUCTED DISCHARGE H 820 520 48 44 47 50 50 46 40 34 M 800 435 48 4...

Page 65: ... 46 47 50 50 44 38 32 CASING RADIATED H 1090 1031 37 57 48 48 50 46 39 34 M 1010 845 37 45 46 46 48 43 36 28 L 950 676 38 40 45 44 45 40 33 25 DUCTED DISCHARGE H 1090 1031 54 52 52 56 58 54 49 47 M 1010 845 55 50 50 53 55 51 45 42 L 950 676 53 47 48 52 53 49 43 39 ARNU283M2A4 RETURN OPENING H 0 24 1010 845 40 50 48 52 52 46 41 35 M 950 676 43 46 47 50 50 44 38 32 L 900 528 43 46 46 50 50 44 38 32 ...

Page 66: ...0 51 47 41 37 M 820 425 50 44 45 49 50 46 40 36 L 800 337 49 44 44 49 50 46 40 36 ARNU123M2A4 RETURN OPENING H 0 24 840 512 42 45 45 49 49 43 37 31 M 820 425 42 45 45 49 49 43 37 31 L 800 337 42 45 45 49 49 42 37 30 CASING RADIATED H 840 512 37 39 44 43 44 39 32 24 M 820 425 37 39 44 43 43 39 32 24 L 800 337 36 38 43 42 43 38 31 23 DUCTED DISCHARGE H 840 512 50 45 45 50 51 47 41 37 M 820 425 50 44...

Page 67: ...2 64 56 50 43 CASING RADIATED H 1500 1036 54 60 61 66 68 60 52 43 M 1480 969 52 58 60 65 66 58 51 42 L 1440 835 49 55 57 62 63 55 48 39 DUCTED DISCHARGE H 1500 1036 71 67 65 68 70 69 61 53 M 1480 969 69 66 64 67 68 67 60 51 L 1440 835 67 63 61 64 66 65 57 49 ARNU283M2A4 RETURN OPENING H 0 71 1480 969 53 60 63 64 66 59 52 46 M 1440 835 50 57 61 62 64 56 50 43 L 1420 768 49 56 60 60 62 55 49 42 CASI...

Page 68: ...9 52 43 M 1300 353 59 55 53 56 58 57 49 41 L 1260 258 53 51 53 57 59 57 50 41 ARNU123M2A4 RETURN OPENING H 0 71 1340 528 45 52 56 56 58 51 45 38 M 1300 353 42 49 52 53 55 48 41 35 L 1260 258 47 52 52 53 54 47 41 34 CASING RADIATED H 1340 528 42 49 50 55 57 49 41 32 M 1300 353 40 46 48 53 54 46 39 30 L 1260 258 46 48 48 49 51 47 41 32 DUCTED DISCHARGE H 1340 528 61 58 56 59 60 59 52 43 M 1300 353 5...

Page 69: ... 34 29 22 DUCTED DISCHARGE H 830 1336 38 43 48 53 53 48 45 36 M 780 1171 36 41 46 51 51 46 42 33 L 740 1037 35 39 45 50 49 43 39 28 ARNU423M3A4 RETURN OPENING H 0 16 810 1269 36 44 45 49 49 42 37 28 M 760 1106 40 42 43 48 47 39 33 20 L 700 891 38 40 41 46 44 37 30 18 CASING RADIATED H 810 1269 30 38 43 44 42 39 33 24 M 760 1106 43 37 40 42 38 35 29 23 L 700 891 42 36 39 41 37 34 28 22 DUCTED DISCH...

Page 70: ...2 38 40 43 41 37 33 25 DUCTED DISCHARGE H 890 1457 48 44 51 55 55 51 49 44 M 820 1189 45 41 48 52 52 48 46 41 L 760 952 42 38 46 50 50 45 43 38 ARNU423M3A4 RETURN OPENING H 0 20 850 1327 37 45 47 51 51 44 40 33 M 800 1097 35 43 45 49 49 42 38 31 L 760 952 33 41 43 47 47 40 36 29 CASING RADIATED H 850 1327 35 41 43 45 43 40 35 35 M 800 1097 33 39 41 44 42 38 34 26 L 760 952 32 38 40 43 41 37 33 25 ...

Page 71: ...1 38 32 22 DUCTED DISCHARGE H 920 1482 44 45 51 55 56 51 48 42 M 840 1191 39 42 49 53 54 48 45 38 L 790 918 37 41 47 51 52 46 43 36 ARNU423M3A4 RETURN OPENING H 0 24 910 1449 38 47 49 53 53 46 42 35 M 840 1191 39 44 46 50 50 43 38 30 L 790 918 37 43 44 48 48 41 37 28 CASING RADIATED H 910 1449 34 43 46 47 45 42 37 28 M 840 1191 36 38 43 45 42 39 33 23 L 790 918 35 37 42 44 41 38 32 22 DUCTED DISCH...

Page 72: ...0 48 50 51 48 44 36 DUCTED DISCHARGE H 1280 1306 65 61 55 60 62 60 54 48 M 1260 1214 65 61 55 60 61 59 54 47 L 1200 868 65 60 55 59 61 59 54 47 ARNU423M3A4 RETURN OPENING H 0 79 1260 1214 48 53 53 56 58 50 46 40 M 1220 988 48 53 52 55 58 49 46 39 L 1200 868 48 53 52 55 58 49 46 39 CASING RADIATED H 1260 1214 47 51 50 51 52 49 45 37 M 1220 988 46 50 49 51 51 49 44 36 L 1200 868 46 50 48 50 51 48 44...

Page 73: ...ithout notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp DUCTED HIGH STATIC Acoustic Data Sound Power Levels for B8 Units Figure 25 ARNU363 763B8A4 and ARNU963B8A4 Sound Power Level Diagrams ARNU963B8A4 ARNU363B8A4 ARNU423B8A4 ARNU483B8A4 ARNU763B8A4 ...

Page 74: ... 9 8 9 5 8 9 7 5 8 0 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 5 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 10 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 14 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 20 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 23 4 9 4 2 6 0 4 8 6 8 5 2 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 25 4 9 4 2 6 0 4 8 6 8 5 2 7 ...

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Page 99: ...gy is included in Multi V 5 Air Source Units produced after February 2019 Model No Capacity Index Outdoor Air Temp Indoor Air Temperature F DB 59 61 64 67 70 73 76 80 F DB F WB TC TC TC TC TC TC TC TC ARNU073BHA4 7 5 21 6 22 0 4 3 4 3 4 3 4 3 4 3 4 3 4 3 4 3 17 1 17 5 4 8 4 8 4 8 4 8 4 8 4 8 4 8 4 8 12 6 13 5 4 5 4 5 4 5 4 5 3 5 3 5 3 5 3 7 7 6 5 5 5 5 5 5 5 5 5 4 5 4 5 4 5 4 4 4 4 5 7 5 7 5 7 5 7...

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Page 110: ... 8 20 8 10 9 22 1 22 1 22 1 21 8 21 8 21 8 21 8 21 8 15 14 23 5 23 5 23 5 23 5 23 5 23 5 23 2 22 9 20 19 24 8 24 8 24 8 24 8 24 3 24 3 23 9 23 6 25 23 25 9 25 9 25 9 25 9 25 9 25 4 25 1 23 9 30 28 26 5 26 5 26 5 26 5 26 5 25 9 25 1 23 9 35 32 27 3 27 3 27 3 27 3 27 0 26 5 25 1 23 9 40 36 28 4 28 4 28 4 28 4 27 3 26 5 25 1 23 9 45 41 29 5 29 5 29 5 28 7 27 3 26 5 25 1 23 9 47 43 30 6 30 3 30 0 28 7...

Page 111: ...5 5 25 5 25 5 25 2 25 2 25 2 25 2 25 2 15 14 27 1 27 1 27 1 27 1 27 1 27 1 26 8 26 5 20 19 28 7 28 7 28 7 28 7 28 0 28 0 27 6 27 3 25 23 29 9 29 9 29 9 29 9 29 9 29 3 29 0 27 6 30 28 30 6 30 6 30 6 30 6 30 6 29 9 29 0 27 6 35 32 31 5 31 5 31 5 31 5 31 2 30 6 29 0 27 6 40 36 32 8 32 8 32 8 32 8 31 5 30 6 29 0 27 6 45 41 34 0 34 0 34 0 33 1 31 5 30 6 29 0 27 6 47 43 35 3 35 0 34 7 33 1 31 5 30 6 29 ...

Page 112: ... 9 30 9 10 9 32 9 32 9 32 9 32 5 32 5 32 5 32 5 32 5 15 14 34 9 34 9 34 9 34 9 34 9 34 9 34 5 34 1 20 19 37 0 37 0 37 0 37 0 36 1 36 1 35 5 35 1 25 23 38 6 38 6 38 6 38 6 38 6 37 8 37 4 35 5 30 28 39 4 39 4 39 4 39 4 39 4 38 6 37 4 35 5 35 32 40 6 40 6 40 6 40 6 40 2 39 4 37 4 35 5 40 36 42 2 42 2 42 2 42 2 40 6 39 4 37 4 35 5 45 41 43 9 43 9 43 9 42 6 40 6 39 4 37 4 35 5 47 43 45 5 45 1 44 7 42 6...

Page 113: ...odel No Capacity Index Outdoor Air Temp Indoor Air Temperature F DB 59 61 64 67 70 73 76 80 F DB F WB TC TC TC TC TC TC TC TC ARNU423M2A4 42 0 21 6 22 0 23 8 23 8 23 8 23 8 23 5 23 5 23 5 23 5 17 1 17 5 26 7 26 7 26 7 26 7 26 3 26 3 26 3 26 3 12 6 13 29 6 29 6 29 6 29 6 29 2 29 2 29 2 29 2 7 7 6 30 6 30 6 30 6 30 6 30 1 30 1 30 1 30 1 4 4 4 31 5 31 5 31 5 31 5 31 0 31 0 31 0 31 0 0 0 4 32 4 32 4 3...

Page 114: ... 9 23 9 10 9 25 5 25 5 25 5 25 2 25 2 25 2 25 2 25 2 15 14 27 1 27 1 27 1 27 1 27 1 27 1 26 8 26 5 20 19 28 7 28 7 28 7 28 7 28 0 28 0 27 6 27 3 25 23 29 9 29 9 29 9 29 9 29 9 29 3 29 0 27 6 30 28 30 6 30 6 30 6 30 6 30 6 29 9 29 0 27 6 35 32 31 5 31 5 31 5 31 5 31 2 30 6 29 0 27 6 40 36 32 8 32 8 32 8 32 8 31 5 30 6 29 0 27 6 45 41 34 0 34 0 34 0 33 1 31 5 30 6 29 0 27 6 47 43 35 3 35 0 34 7 33 1...

Page 115: ...2 9 32 9 32 9 32 5 32 5 32 5 32 5 32 5 15 14 34 9 34 9 34 9 34 9 34 9 34 9 34 5 34 1 20 19 37 0 37 0 37 0 37 0 36 1 36 1 35 5 35 1 25 23 38 6 38 6 38 6 38 6 38 6 37 8 37 4 35 5 30 28 39 4 39 4 39 4 39 4 39 4 38 6 37 4 35 5 35 32 40 6 40 6 40 6 40 6 40 2 39 4 37 4 35 5 40 36 42 2 42 2 42 2 42 2 40 6 39 4 37 4 35 5 45 41 43 9 43 9 43 9 42 6 40 6 39 4 37 4 35 5 47 43 45 5 45 1 44 7 42 6 40 6 39 4 37 ...

Page 116: ...ebruary 2019 Model No Capacity Index Outdoor Air Temp Indoor Air Temperature F DB 59 61 64 67 70 73 76 80 F DB F WB TC TC TC TC TC TC TC TC ARNU423M3A4 42 0 21 6 22 0 23 8 23 8 23 8 23 8 23 5 23 5 23 5 23 5 17 1 17 5 26 7 26 7 26 7 26 7 26 3 26 3 26 3 26 3 12 6 13 29 6 29 6 29 6 29 6 29 2 29 2 29 2 29 2 7 7 6 30 6 30 6 30 6 30 6 30 1 30 1 30 1 30 1 4 4 4 31 5 31 5 31 5 31 5 31 0 31 0 31 0 31 0 0 0...

Page 117: ...odel No Capacity Index Outdoor Air Temp Indoor Air Temperature F DB 59 61 64 67 70 73 76 80 F DB F WB TC TC TC TC TC TC TC TC ARNU483M3A4 48 1 21 6 22 0 27 5 27 5 27 5 27 5 27 1 27 1 27 1 27 1 17 1 17 5 30 8 30 8 30 8 30 8 30 4 30 4 30 4 30 4 12 6 13 34 1 34 1 34 1 34 1 33 7 33 7 33 7 33 7 7 7 6 35 2 35 2 35 2 35 2 34 7 34 7 34 7 34 7 4 4 4 36 3 36 3 36 3 36 3 35 8 35 8 35 8 35 8 0 0 4 37 4 37 4 3...

Page 118: ... 7 46 7 10 9 49 7 49 7 49 7 49 1 49 1 49 1 49 1 49 1 15 14 52 8 52 8 52 8 52 8 52 8 52 8 52 2 51 6 20 19 55 9 55 9 55 9 55 9 54 7 54 7 53 7 53 1 25 23 58 3 58 3 58 3 58 3 58 3 57 1 56 5 53 7 30 28 59 6 59 6 59 6 59 6 59 6 58 3 56 5 53 7 35 32 61 4 61 4 61 4 61 4 60 8 59 6 56 5 53 7 40 36 63 9 63 9 63 9 63 9 61 4 59 6 56 5 53 7 45 41 66 3 66 3 66 3 64 5 61 4 59 6 56 5 53 7 47 43 68 8 68 2 67 5 64 5...

Page 119: ...2 9 32 9 32 9 32 5 32 5 32 5 32 5 32 5 15 14 34 9 34 9 34 9 34 9 34 9 34 9 34 5 34 1 20 19 37 0 37 0 37 0 37 0 36 1 36 1 35 5 35 1 25 23 38 6 38 6 38 6 38 6 38 6 37 8 37 4 35 5 30 28 39 4 39 4 39 4 39 4 39 4 38 6 37 4 35 5 35 32 40 6 40 6 40 6 40 6 40 2 39 4 37 4 35 5 40 36 42 2 42 2 42 2 42 2 40 6 39 4 37 4 35 5 45 41 43 9 43 9 43 9 42 6 40 6 39 4 37 4 35 5 47 43 45 5 45 1 44 7 42 6 40 6 39 4 37 ...

Page 120: ... 3 33 3 10 9 35 5 35 5 35 5 35 0 35 0 35 0 35 0 35 0 15 14 37 7 37 7 37 7 37 7 37 7 37 7 37 2 36 8 20 19 39 9 39 9 39 9 39 9 39 0 39 0 38 3 37 9 25 23 41 6 41 6 41 6 41 6 41 6 40 7 40 3 38 3 30 28 42 5 42 5 42 5 42 5 42 5 41 6 40 3 38 3 35 32 43 8 43 8 43 8 43 8 43 4 42 5 40 3 38 3 40 36 45 6 45 6 45 6 45 6 43 8 42 5 40 3 38 3 45 41 47 3 47 3 47 3 46 0 43 8 42 5 40 3 38 3 47 43 49 1 48 6 48 2 46 0...

Page 121: ...1 5 41 5 41 5 41 0 41 0 41 0 41 0 41 0 15 14 44 0 44 0 44 0 44 0 44 0 44 0 43 5 43 0 20 19 46 6 46 6 46 6 46 6 45 6 45 6 44 8 44 3 25 23 48 6 48 6 48 6 48 6 48 6 47 6 47 1 44 8 30 28 49 7 49 7 49 7 49 7 49 7 48 6 47 1 44 8 35 32 51 2 51 2 51 2 51 2 50 7 49 7 47 1 44 8 40 36 53 3 53 3 53 3 53 3 51 2 49 7 47 1 44 8 45 41 55 3 55 3 55 3 53 8 51 2 49 7 47 1 44 8 47 43 57 3 56 8 56 3 53 8 51 2 49 7 47 ...

Page 122: ... 65 4 10 9 69 7 69 7 69 7 68 8 68 8 68 8 68 8 68 8 15 14 74 0 74 0 74 0 74 0 74 0 74 0 73 1 72 2 20 19 78 3 78 3 78 3 78 3 76 5 76 5 75 3 74 4 25 23 81 7 81 7 81 7 81 7 81 7 80 0 79 1 75 3 30 28 83 4 83 4 83 4 83 4 83 4 81 7 79 1 75 3 35 32 86 0 86 0 86 0 86 0 85 1 83 4 79 1 75 3 40 36 89 4 89 4 89 4 89 4 86 0 83 4 79 1 75 3 45 41 92 9 92 9 92 9 90 3 86 0 83 4 79 1 75 3 47 43 96 3 95 5 94 6 90 3 8...

Page 123: ...0 86 0 86 0 15 14 92 5 92 5 92 5 92 5 92 5 92 5 91 4 90 3 20 19 97 8 97 8 97 8 97 8 95 7 95 7 94 1 93 0 25 23 102 1 102 1 102 1 102 1 102 1 100 0 98 9 94 1 30 28 104 3 104 3 104 3 104 3 104 3 102 1 98 9 94 1 35 32 107 5 107 5 107 5 107 5 106 4 104 3 98 9 94 1 40 36 111 8 111 8 111 8 111 8 107 5 104 3 98 9 94 1 45 41 116 1 116 1 116 1 112 9 107 5 104 3 98 9 94 1 47 43 120 4 119 3 118 3 112 9 107 5 ...

Page 124: ...red trademark of LG Corp Optional Accessories DUCTED HIGH STATIC Accessory Model Number High Efficiency Filter Box ZFBXBH01A For 7 24MBh BH Ducted High Static Indoor Units ZFBXM201A For 7 42MBh M2 Ducted High Static Indoor Units ZFBXM301A For 28 54MBh M3 Ducted High Static Indoor Units ZFBXB801A For 36 96MBh B8 Ducted High Static Indoor Units All accessories are sold separately Table 87 Optional A...

Page 125: ...age 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: ...uto restart following power restoration test run and will operate the indoor unit using one of five operating modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery systems the Auto Changeover setting automati cally switches control of the indoor unit between cooling and heating modes based on space temperature conditions For Heat Pump systems heated or c...

Page 127: ...FM Standard Mode 270 230 200 320 250 200 360 310 250 450 360 310 530 450 360 710 570 430 Airflow Rate H M L CFM High Mode Factory Set 270 230 200 320 250 200 360 310 250 450 360 310 530 450 360 710 570 430 External Static Pressure in wg Standard Mode 0 0 0 0 0 0 External Static Pressure in wg High Mode Factory Set 0 1 0 1 0 1 0 1 0 1 0 1 Piping Liquid Line in O D 1 4 Flare 1 4 Flare 1 4 Flare 1 4 ...

Page 128: ...eating L M H at Factory Default L1 Units ARNU073L1G4 208 230 0 5 15 0 4 60 208 230 1 40 40 24 28 31 ARNU093L1G4 0 5 0 4 40 40 24 29 39 L2 Units ARNU123L2G4 208 230 1 0 15 0 76 60 208 230 1 85 85 29 34 41 ARNU153L2G4 1 0 0 76 85 85 34 41 56 ARNU183L2G4 1 0 0 76 85 85 41 56 71 L3 Units ARNU243L3G4 208 230 1 2 15 0 97 60 208 230 1 115 115 48 63 103 MCA Minimum Circuit Ampacity MOP Maximum Overcurrent...

Page 129: ...2 5 8 4 1 16 7 1 2 L1 14 7 16 L2 22 1 16 L3 29 3 4 3 15 16 3 1 16 27 9 16 7 1 2 13 16 6 1 16 24 3 4 8 11 16 B A C L1 2 15 16 L2 3 1 16 L3 3 3 16 Drain Pipe Connection Vapor Pipe Connection Power Supply Connection Center of Gravity Unit inches 5 5 16 1 3 8 13 16 D Top Note All measurements have a tolerance of 1 4 in Top Top A B C D Supply Duct Connection Return Duct Connection Type Height Width Fla...

Page 130: ...ntinuous 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 DUCTED LOW STATIC Electrical Wiring Diagram L1 Units Figure 27 ARNU073L1G4 ARNU093L1G4 Wiring Diagram ...

Page 131: ...ays Auto mode SW5 CONTINUOUS FAN Off On Selects continuous fan for ducted indoor units 1 On Indoor unit fan will always operate at a set fan speed except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off Terminal Purpose Function CN POWER AC Power su...

Page 132: ...ct 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 DUCTED LOW STATIC Electrical Wiring Diagram L2 L3 Units Figure 28 ARNU123L2G4 ARNU153L2G4 ARNU183L2G4 ARNU243L3G4 Wiring Diagram ...

Page 133: ...peed can be changed by on off For Gen 4 Multi V ducted indoor units DIP switches 1 2 6 through 8 must be set to OFF These DIP switches are used for other models To enable Generation 4 features outdoor unit DIP Switch No 3 must be set to ON Please refer to the Multi V IV Multi V Wa ter IV Engineering Manual for additional information Terminal Purpose Function CN POWER AC Power supply AC Power line ...

Page 134: ...L1 L2 L3 Unit Refrigerant Flow Diagram L1 L2 L3 Units Table 94 L1 L2 L3 Unit Refrigerant Pipe Connection Port Diameters Model Liquid inch Vapor inch L1 Units ARNU073L1G4 1 4 Flare 1 2 Flare ARNU093L1G4 L2 Units ARNU123L2G4 1 4 Flare 1 2 Flare ARNU153L2G4 ARNU183L2G4 L3 Units ARNU243L3G4 3 8 Flare 5 8 Flare Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermis...

Page 135: ...331 292 246 105 417 394 363 325 279 224 110 450 427 396 358 312 258 115 484 461 430 392 346 292 120 518 495 465 427 380 326 125 553 530 500 461 415 361 130 589 566 536 497 451 397 135 572 534 487 433 Table 97 L2 Unit External Static Pressure and Air Flow Table Table 98 L3 Unit External Static Pressure and Air Flow Table Set Value Static Pressure in wg 0 0 04 0 08 0 11 0 15 0 19 85 360 90 430 392 3...

Page 136: ... External Static Pressure and Air Flow Chart L1 L2 L3 Units 0 0 02 0 04 0 06 0 08 0 1 0 12 0 14 0 16 0 18 0 2 180 0 230 0 280 0 330 0 External Sta c Pressure in wg Air Flow cfm ESP Setting 120 ESP Setting 100 ESP Setting 110 ESP Setting 90 ESP Setting 80 0 0 02 0 04 0 06 0 08 0 1 0 12 0 14 0 16 0 18 0 2 200 0 300 0 400 0 500 0 600 0 External Sta c Pressure in wg Air Flow cfm ESP Setting 120 ESP Se...

Page 137: ...7 Low 69 194 The tables above show the available E S P range L1 L2 L3 Units Model Capacity MBh Mode Setting Value Standard ESP in wg CFM Min ESP in wg Max ESP in wg ARNU123L2G4 12 3 High Factory Set High 105 0 353 0 2 Mid 96 300 Low 89 247 Standard High 96 0 1 353 0 2 Mid 87 300 Low 78 247 ARNU153L2G4 15 4 High Factory Set High 119 0 442 0 2 Mid 105 353 Low 96 300 Standard High 109 0 1 442 0 2 Mid...

Page 138: ...4 27 26 23 ARNU093L1G4 30 26 23 L2 Units ARNU123L2G4 31 29 26 ARNU153L2G4 34 31 29 ARNU183L2G4 36 34 31 L3 Units ARNU243L3G4 39 35 32 Table 102 Ducted Low Static Sound Pressure Levels Figure 34 ARNU073L1G4 ARNU093L1G4 and ARNU123L2G4 Sound Pressure Level Diagrams ARNU073L1G4 ARNU093L1G4 ARNU123L2G4 Measurements are taken 4 9 ft away from the front of the unit Sound pressure levels are measured in ...

Page 139: ...3G4 Data is valid under diffuse field conditions Data is valid under nominal operating conditions Sound power level is measured using rated conditions and tested in a reverberation room per ISO 3741 standards Sound level will vary depending on a range of factors such as construction acoustic absorption coefficient of particular area in which the equipment is installed Reference acoustic intensity ...

Page 140: ...ronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 36 ARNU073L1G4 ARNU093L1G4 and ARNU123L2G4 Sound Power Level Diagrams DUCTED LOW STATIC Acoustic Data Sound Power Levels Figure 37 ARNU153L2G4 ARNU183L2G4 and ARNU243L3G4 Sound Power Level Diagrams ARNU073L1G4 ARNU093L1G4 ARNU123L2G4 ARNU153L2G4 ARNU183L2G4 ARNU243L3G4 ...

Page 141: ...9 7 6 2 60 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 4 6 2 8 9 6 2 9 6 6 1 65 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 4 6 2 8 9 6 2 9 4 6 0 70 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 4 6 2 8 9 6 2 9 3 5 9 75 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 4 6 2 8 9 6 2 9 1 5 8 80 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 4 6 2 8 7 6 1 8 8 5 8 85 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 3 6 2 8 4 5 9 8 6 5 5 90 4 9 4 4 6 0 5 1 6 8 5 4 7 5 5 8 8 2...

Page 142: ... 2 10 8 7 7 11 4 7 6 12 4 7 6 60 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 8 7 7 11 4 7 6 12 3 7 6 65 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 8 7 7 11 4 7 6 12 1 7 5 70 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 8 7 7 11 4 7 6 11 9 7 4 75 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 8 7 7 11 4 7 6 11 6 7 2 80 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 8 7 7 11 1 7 6 11 3 7 2 85 6 3 5 5 7 7 6 4 8 6 6 8 9 6 7 2 10 6 7 6 10 8 7 3 11 0 6 ...

Page 143: ... 9 5 15 9 9 5 60 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 8 9 6 14 7 9 5 15 7 9 4 65 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 8 9 6 14 7 9 5 15 5 9 3 70 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 8 9 6 14 7 9 5 15 3 9 1 75 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 8 9 6 14 7 9 5 14 9 8 9 80 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 8 9 6 14 2 9 4 14 5 8 9 85 8 1 6 8 9 8 7 9 11 1 8 4 12 3 8 9 13 6 9 5 13 8 9 0 14 0 8 5 90...

Page 144: ...6 15 4 11 3 17 3 12 1 18 4 12 0 19 9 12 0 60 10 1 8 6 12 3 10 0 13 9 10 6 15 4 11 3 17 3 12 1 18 4 12 0 19 7 11 9 65 10 1 8 6 12 3 10 0 13 9 10 6 15 4 11 3 17 3 12 1 18 4 12 0 19 4 11 7 70 10 1 8 6 12 3 10 0 13 9 10 6 15 4 11 3 17 3 12 1 18 4 12 0 19 1 11 6 75 10 1 8 6 12 3 10 0 13 9 10 6 15 4 11 3 17 3 12 1 18 4 12 0 18 6 11 3 80 10 1 8 6 12 3 10 0 13 9 10 6 15 4 11 3 17 3 12 1 17 8 11 9 18 2 11 ...

Page 145: ...8 14 9 24 7 14 9 60 12 6 10 7 15 3 12 3 17 2 13 1 19 1 14 0 21 4 15 0 22 8 14 9 24 4 14 8 65 12 6 10 7 15 3 12 3 17 2 13 1 19 1 14 0 21 4 15 0 22 8 14 9 24 0 14 6 70 12 6 10 7 15 3 12 3 17 2 13 1 19 1 14 0 21 4 15 0 22 8 14 9 23 7 14 3 75 12 6 10 7 15 3 12 3 17 2 13 1 19 1 14 0 21 4 15 0 22 8 14 9 23 1 14 0 80 12 6 10 7 15 3 12 3 17 2 13 1 19 1 14 0 21 4 15 0 22 1 14 8 22 5 13 9 85 12 6 10 7 15 3 ...

Page 146: ...6 9 19 6 28 6 19 4 31 0 19 4 60 15 8 14 0 19 2 16 2 21 6 17 2 24 0 18 3 26 9 19 6 28 6 19 4 30 7 19 3 65 15 8 14 0 19 2 16 2 21 6 17 2 24 0 18 3 26 9 19 6 28 6 19 4 30 2 19 0 70 15 8 14 0 19 2 16 2 21 6 17 2 24 0 18 3 26 9 19 6 28 6 19 4 29 8 18 7 75 15 8 14 0 19 2 16 2 21 6 17 2 24 0 18 3 26 9 19 6 28 6 19 4 29 0 18 3 80 15 8 14 0 19 2 16 2 21 6 17 2 24 0 18 3 26 9 19 6 27 8 19 3 28 3 18 2 85 15 ...

Page 147: ... 6 6 5 6 5 6 5 6 5 6 5 6 5 10 9 6 9 6 9 6 9 6 8 6 8 6 8 6 8 6 8 15 14 7 3 7 3 7 3 7 3 7 3 7 3 7 2 7 1 20 19 7 7 7 7 7 7 7 7 7 6 7 6 7 4 7 4 25 23 8 1 8 1 8 1 8 1 8 1 7 9 7 8 7 4 30 28 8 3 8 3 8 3 8 3 8 3 8 1 7 8 7 4 35 32 8 5 8 5 8 5 8 5 8 4 8 3 7 8 7 4 40 36 8 8 8 8 8 8 8 8 8 5 8 3 7 8 7 4 45 41 9 2 9 2 9 2 8 9 8 5 8 3 7 8 7 4 47 43 9 5 9 4 9 4 8 9 8 5 8 3 7 8 7 4 50 46 10 2 9 8 9 4 8 9 8 5 8 3 7...

Page 148: ... 3 8 3 8 3 10 9 8 8 8 8 8 8 8 7 8 7 8 7 8 7 8 7 15 14 9 4 9 4 9 4 9 4 9 4 9 4 9 3 9 2 20 19 9 9 9 9 9 9 9 9 9 7 9 7 9 5 9 4 25 23 10 4 10 4 10 4 10 4 10 4 10 1 10 0 9 5 30 28 10 6 10 6 10 6 10 6 10 6 10 4 10 0 9 5 35 32 10 9 10 9 10 9 10 9 10 8 10 6 10 0 9 5 40 36 11 3 11 3 11 3 11 3 10 9 10 6 10 0 9 5 45 41 11 8 11 8 11 8 11 5 10 9 10 6 10 0 9 5 47 43 12 2 12 1 12 0 11 5 10 9 10 6 10 0 9 5 50 46 ...

Page 149: ...11 0 10 9 10 9 10 9 10 9 10 9 15 14 11 7 11 7 11 7 11 7 11 7 11 7 11 6 11 4 20 19 12 4 12 4 12 4 12 4 12 1 12 1 11 9 11 8 25 23 12 9 12 9 12 9 12 9 12 9 12 7 12 5 11 9 30 28 13 2 13 2 13 2 13 2 13 2 12 9 12 5 11 9 35 32 13 6 13 6 13 6 13 6 13 5 13 2 12 5 11 9 40 36 14 1 14 1 14 1 14 1 13 6 13 2 12 5 11 9 45 41 14 7 14 7 14 7 14 3 13 6 13 2 12 5 11 9 47 43 15 2 15 1 15 0 14 3 13 6 13 2 12 5 11 9 50...

Page 150: ...13 0 13 0 13 0 10 9 13 9 13 9 13 9 13 7 13 7 13 7 13 7 13 7 15 14 14 7 14 7 14 7 14 7 14 7 14 7 14 5 14 4 20 19 15 6 15 6 15 6 15 6 15 2 15 2 15 0 14 8 25 23 16 3 16 3 16 3 16 3 16 3 15 9 15 7 15 0 30 28 16 6 16 6 16 6 16 6 16 6 16 3 15 7 15 0 35 32 17 1 17 1 17 1 17 1 16 9 16 6 15 7 15 0 40 36 17 8 17 8 17 8 17 8 17 1 16 6 15 7 15 0 45 41 18 5 18 5 18 5 18 0 17 1 16 6 15 7 15 0 47 43 19 2 19 0 18...

Page 151: ...6 3 16 3 10 9 17 4 17 4 17 4 17 2 17 2 17 2 17 2 17 2 15 14 18 5 18 5 18 5 18 5 18 5 18 5 18 3 18 1 20 19 19 6 19 6 19 6 19 6 19 1 19 1 18 8 18 6 25 23 20 4 20 4 20 4 20 4 20 4 20 0 19 8 18 8 30 28 20 9 20 9 20 9 20 9 20 9 20 4 19 8 18 8 35 32 21 5 21 5 21 5 21 5 21 3 20 9 19 8 18 8 40 36 22 4 22 4 22 4 22 4 21 5 20 9 19 8 18 8 45 41 23 2 23 2 23 2 22 6 21 5 20 9 19 8 18 8 47 43 24 1 23 9 23 7 22 ...

Page 152: ... 8 20 8 20 8 20 8 20 8 10 9 22 1 22 1 22 1 21 8 21 8 21 8 21 8 21 8 15 14 23 5 23 5 23 5 23 5 23 5 23 5 23 2 22 9 20 19 24 8 24 8 24 8 24 8 24 3 24 3 23 9 23 6 25 23 25 9 25 9 25 9 25 9 25 9 25 4 25 1 23 9 30 28 26 5 26 5 26 5 26 5 26 5 25 9 25 1 23 9 35 32 27 3 27 3 27 3 27 3 27 0 26 5 25 1 23 9 40 36 28 4 28 4 28 4 28 4 27 3 26 5 25 1 23 9 45 41 29 5 29 5 29 5 28 7 27 3 26 5 25 1 23 9 47 43 30 6...

Page 153: ...sions 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 Capacity Tables on page 173 Optional Accessories on page 189 ...

Page 154: ...er centered in the rack Filter service access is from the front of the unit without removing the coil or fan area access panels Filter access door is provided with thumb screws that can be removed Optional Auxiliary Electric Heat Module s LG optional electric heat modules are designed for field installation in the reheat position The electric heat module is provided with heating elements contracto...

Page 155: ... by up to two local wired controllers The microprocessor control provides a cooling or heating mode test cycle that operates the unit for 18 minutes without regard to the space temperature If the system is provided with an optional local or central controller displayed diagnostic codes are specific and provide the service technician with the reason for the code displayed Handling Condensate The dr...

Page 156: ...ow Rate H M L CFM Standard Mode 530 480 380 580 530 480 710 640 480 880 800 630 990 880 800 Airflow Rate H M L CFM High Mode Factory Set 530 480 380 580 530 480 710 640 480 880 800 630 990 880 800 External Static Pressure in wg Standard Mode 0 3 0 3 0 3 0 3 0 3 External Static Pressure in wg High Mode Factory Set 0 5 0 5 0 5 0 5 0 5 Piping Liquid Line in O D 1 4 Brazed 1 4 Brazed 3 8 Brazed 3 8 Br...

Page 157: ...475 1 400 1 260 Airflow Rate H M L CFM High Mode Factory Set 1 250 1 100 1 000 1 400 1 260 1 000 1 475 1 400 1 260 External Static Pressure in wg Standard Mode 0 3 0 3 0 3 External Static Pressure in wg High Mode Factory Set 0 5 0 5 0 5 Piping Liquid Line in O D 3 8 Brazed 3 8 Brazed 3 8 Brazed Vapor Line in O D 5 8 Brazed 5 8 Brazed 5 8 Brazed Condensate Line in I D 1 1 1 EEV Electronic Expansion...

Page 158: ...lt NJ Frames ARNU123NJA4 208 230 1 4 15 1 12 60 208 230 1 228 228 47 64 80 ARNU183NJA4 1 4 1 12 228 228 64 80 90 ARNU243NJA4 1 4 1 12 228 228 64 96 120 ARNU303NJA4 1 4 1 12 228 228 94 133 180 ARNU363NJA4 1 4 1 12 228 228 133 180 230 NK Frames ARNU423NKA4 208 230 2 25 15 1 8 60 208 230 1 366 366 186 215 260 ARNU483NKA4 2 25 1 8 366 366 186 264 330 ARNU543NKA4 2 25 1 8 366 366 264 312 370 MCA Minimu...

Page 159: ...ame VERTICAL HORIZONTAL AIR HANDLER 48 11 16 18 21 1 4 48 11 16 49 5 16 2 9 16 1 15 16 21 1 4 12 1 8 1 1 2 9 15 16 2 1 16 18 17 2 1 8 13 4 11 16 1 9 16 1 9 16 1 9 16 1 15 16 1 5 8 14 5 16 Unit inches Note All measurements have a tolerance of 1 4 in Drain connection for upflow application Drain connection for horizontal application Liquid pipe Vapor pipe 7 8 Wiring knockouts 7 8 Wiring knockouts 1 ...

Page 160: ...L AIR HANDLER Figure 39 ARNU423 543NKA4 Dimensions 55 3 16 25 21 1 4 55 3 16 55 13 16 2 9 16 21 1 4 12 1 8 1 1 2 16 15 16 2 1 16 25 24 2 3 16 20 4 11 16 1 9 16 1 9 16 1 9 16 1 15 16 1 5 8 14 1 4 Unit inches Note All measurements have a tolerance of 1 4 in Supply Air opening 7 8 Wiring knockouts SIDE VIEW 7 8 Wiring knockouts 1 11 16 Wiring knockouts Return Air opening FRONT VIEW Liquid pipe Vapor ...

Page 161: ...nnovation 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 Electrical Wiring Diagram NJ Frame Figure 40 ARNU123 363NJA4 Wiring Diagram VERTICAL HORIZONTAL AIR HANDLER 03 2019 ...

Page 162: ...d except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off SW6 HEATER INTERLOCK Off On Selects heater interlock function for vertical air handler units 1 On Automatic heater will automatically operate during heating mode 2 Off Manual heater needs to ...

Page 163: ...nnovation 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 Electrical Wiring Diagram NK Frame VERTICAL HORIZONTAL AIR HANDLER Figure 41 ARNU423 543NKA4 Wiring Diagram 03 2019 ...

Page 164: ...d except when the system is off or the outdoor unit is in defrost mode when the outdoor unit is in defrost mode the fan will operate at super low fan speed 2 Off Indoor unit fan speed can be changed by on off SW6 HEATER INTERLOCK Off On Selects heater interlock function for vertical air handler units 1 On Automatic heater will automatically operate during heating mode 2 Off Manual heater needs to ...

Page 165: ...rames Table 123 NJ NK Frame Refrigerant Pipe Connection Port Diameters Model Liquid inch Vapor inch NJ Frames ARNU123NJA4 1 4 Brazed 1 2 Brazed ARNU183NJA4 ARNU243NJA4 3 8 Brazed 5 8 Brazed ARNU303NJA4 ARNU363NJA4 NK Frames ARNU423NKA4 3 8 Brazed 5 8 Brazed ARNU483NKA4 ARNU543NKA4 Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 124 NJ NK Frame ...

Page 166: ...tic Pressure and Air Flow Figure 43 NJ Frame External Static Pressure and Air Flow Chart Figure 44 NK Frame External Static Pressure and Air Flow Chart NJ NK Frames VERTICAL HORIZONTAL AIR HANDLER 50 60 70 80 90 100 350 550 750 950 ESP Pressure CFM 0 1 in wg 0 2 in wg 0 3 in wg 0 4 in wg 0 5 in wg 0 6 in wg 0 7 in wg 50 60 70 80 90 100 110 120 900 1000 1100 1200 1300 1400 1500 ESP Pressure CFM 0 1...

Page 167: ... 75 85 91 96 96 96 96 ARNU363NJA4 36 High 990 80 85 90 95 100 103 103 103 103 103 Mid 880 65 72 80 85 92 98 103 103 103 103 Low 800 62 69 77 82 90 96 101 101 101 101 If the ESP is set incorrectly the air conditioning may malfunction Model No Capacity MBh Flow Rate Static Pressure in WG Mode CFM 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 ARNU423NKA4 42 High 1 260 67 75 80 87 90 98 102 110 115 115 Mid 1 ...

Page 168: ...480 480 Not available Not available 30 2 5 630 630 630 630 Not available Not available 36 3 0 900 900 900 900 900 900 42 3 5 1 000 1 000 1 000 1 000 1 000 1 000 48 4 0 1 000 1 000 1 000 1 000 1 000 1 000 54 4 5 1 300 1 300 1 300 1 300 1 300 1 300 Table 128 Electric Heater Static Pressure Drop Factors in wg inch water gauge If the electric heater has been installed then the ESP value has to be set ...

Page 169: ...Frames ARNU423NKA4 46 44 41 ARNU483NKA4 49 47 41 ARNU543NKA4 50 49 47 Table 129 Vertical Horizontal Air Handler Unit Sound Pressure Levels Figure 46 ARNU123NJA4 ARNU183NJA4 and ARNU243NJA4 Sound Pressure Level Diagrams Measurements are taken 3 3 ft away from the front of the unit Sound pressure levels are measured in dB A with a tolerance of 3 Sound pressure levels are tested in an anechoic chambe...

Page 170: ...ics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 47 ARNU303NJA4 ARNU363NJA4 and ARNU423NKA4 Sound Pressure Level Diagrams Acoustic Data Sound Pressure Levels VERTICAL HORIZONTAL AIR HANDLER ARNU303NJA4 ARNU363NJA4 ARNU423NKA4 Figure 48 ARNU483NKA4 and ARNU543NKA4 Sound Pressure Level Diagrams ARNU483NKA4 ARNU543NKA4 ...

Page 171: ...Sound power level is measured using rated conditions and tested in a reverberation room per ISO 3741 standards Sound level will vary depending on a range of factors such as construction acoustic absorption coefficient of particular area in which the equipment is installed Reference acoustic intensity 0dB 10E 6μW m2 Model Sound Power Levels dB A High Fan Speed NJ Frames ARNU123NJA4 59 ARNU183NJA4 5...

Page 172: ...ctronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 50 ARNU303NJA4 ARNU363NJA4 and ARNU423NKA4 Sound Power Level Diagrams Acoustic Data VERTICAL HORIZONTAL AIR HANDLER Sound Power Levels Figure 51 ARNU483NKA4 and ARNU543NKA4 Sound Power Level Diagrams ARNU303NJA4 ARNU363NJA4 ARNU423NKA4 ARNU483NKA4 ARNU543NKA4 ...

Page 173: ... 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 5 10 9 14 3 10 8 15 4 10 8 65 7 9 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 5 10 9 14 3 10 8 15 1 10 6 70 7 9 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 5 10 9 14 3 10 8 14 9 10 4 75 7 9 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 5 10 9 14 3 10 8 14 5 10 2 80 7 9 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 5 10 9 13 9 10 8 14 2 10 1 85 7 9 7 8 9 6 9 0 10 8 9 6 12 0 10 2 13 3 10 8 13 5 10 3 13 7 9 7...

Page 174: ...0 12 8 20 2 13 7 21 5 13 6 23 3 13 6 60 11 9 9 8 14 4 11 3 16 2 12 0 18 0 12 8 20 2 13 7 21 5 13 6 23 0 13 5 65 11 9 9 8 14 4 11 3 16 2 12 0 18 0 12 8 20 2 13 7 21 5 13 6 22 7 13 3 70 11 9 9 8 14 4 11 3 16 2 12 0 18 0 12 8 20 2 13 7 21 5 13 6 22 4 13 1 75 11 9 9 8 14 4 11 3 16 2 12 0 18 0 12 8 20 2 13 7 21 5 13 6 21 8 12 8 80 11 9 9 8 14 4 11 3 16 2 12 0 18 0 12 8 20 2 13 7 20 9 13 5 21 2 12 7 85 ...

Page 175: ... 19 1 28 6 18 9 31 0 18 9 60 15 8 13 6 19 2 15 7 21 6 16 7 24 0 17 8 26 9 19 1 28 6 18 9 30 7 18 8 65 15 8 13 6 19 2 15 7 21 6 16 7 24 0 17 8 26 9 19 1 28 6 18 9 30 2 18 5 70 15 8 13 6 19 2 15 7 21 6 16 7 24 0 17 8 26 9 19 1 28 6 18 9 29 8 18 2 75 15 8 13 6 19 2 15 7 21 6 16 7 24 0 17 8 26 9 19 1 28 6 18 9 29 0 17 8 80 15 8 13 6 19 2 15 7 21 6 16 7 24 0 17 8 26 9 19 1 27 8 18 8 28 3 17 7 85 15 8 1...

Page 176: ... 6 33 6 23 2 35 8 22 9 38 8 22 9 60 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 38 4 22 8 65 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 37 8 22 4 70 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 37 3 22 1 75 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 35 8 22 9 36 3 21 6 80 19 8 16 5 24 0 19 1 27 0 20 3 30 0 21 6 33 6 23 2 34 8 22 8 35 4 21 5 85...

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Page 179: ... 35 5 57 2 35 2 62 0 35 2 60 31 6 25 3 38 4 29 2 43 2 31 1 48 0 33 1 53 8 35 5 57 2 35 2 61 4 35 0 65 31 6 25 3 38 4 29 2 43 2 31 1 48 0 33 1 53 8 35 5 57 2 35 2 60 4 34 4 70 31 6 25 3 38 4 29 2 43 2 31 1 48 0 33 1 53 8 35 5 57 2 35 2 59 6 33 9 75 31 6 25 3 38 4 29 2 43 2 31 1 48 0 33 1 53 8 35 5 57 2 35 2 58 0 33 1 80 31 6 25 3 38 4 29 2 43 2 31 1 48 0 33 1 53 8 35 5 55 6 35 0 56 6 32 9 85 31 6 2...

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Page 188: ...6 45 6 45 6 45 6 45 6 45 6 10 9 48 6 48 6 48 6 48 0 48 0 48 0 48 0 48 0 15 14 51 6 51 6 51 6 51 6 51 6 51 6 51 0 50 4 20 19 54 6 54 6 54 6 54 6 53 4 53 4 52 5 51 9 25 23 57 0 57 0 57 0 57 0 57 0 55 8 55 2 52 5 30 28 58 2 58 2 58 2 58 2 58 2 57 0 55 2 52 5 35 32 60 0 60 0 60 0 60 0 59 4 58 2 55 2 52 5 40 36 62 4 62 4 62 4 62 4 60 0 58 2 55 2 52 5 45 41 64 8 64 8 64 8 63 0 60 0 58 2 55 2 52 5 47 43 ...

Page 189: ...W ANEH083B2 8kW ANEH103B2 10kW ANEH153B2 15kW ANEH203B2 20kW ARNU123NJA4 12 X X X Not available Not available Not available ARNU183NJA4 18 X X X Available Not available Not available ARNU243NJA4 24 X X X X Not available Not available ARNU303NJA4 30 X X X X Not available Not available ARNU363NJA4 36 X X X X Available Available ARNU423NKA4 42 X X X X X X ARNU483NKA4 48 X X X X X X ARNU543NKA4 54 X X...

Page 190: ... 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: ...a ventilation fan large enough to vent out these materials 23 5 8 x 23 5 8 23 5 8 23 5 8 39 3 8 Service access Unit Inch Control box 13 16 Install a ventilation fan with sufficient capacity Heat or steam source Indoor Unit Include enough distance Figure 55 Installing Near a Heat or Steam Source The unit must not be installed where sulfuric acid and flammable or cor rosive gases are generated vente...

Page 192: ... 5 8 23 5 8 Unit Inch Top view A Minimum Ceiling Service access A B Minimum H 13 16 Dimension H is necessary for drain slope Side view 23 5 8 0 14 0 When using top panel access holes for power wiring communications cable Rear 0 Front 14 Unit Inches Figure 57 Clearances Requirements for Vertical Horizontal Air Handler Units Installing in an Area Exposed to Unconditioned Air In some installation app...

Page 193: ...ts APPLICATION GUIDELINES Frame Dimensions inches A B C D E F G H I J K L BH 36 11 16 34 3 4 14 1 7 8 17 3 4 1 3 16 3 7 16 29 1 2 6 1 4 B8 63 7 8 61 5 8 22 13 16 11 1 2 27 3 8 55 1 8 18 1 8 44 3 16 66 1 8 15 3 8 17 1 2 9 16 A F B K L J E C G D H I Drainage Point A B C D G H I E F Figure 58 High Static Ducted BH Frame Bolt Locations Figure 59 High Static Ducted B8 Frame Bolt Locations Table 150 Hig...

Page 194: ...W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 General Mounting High and Low Static Ducted Units APPLICATION GUIDELINES Figure 64 Old Versus New Building Hanging Bolt Installation Do not damage power wiring during installation There is risk of electric shock which may result in physical injury or death Do not damage power wiring during installation There is a risk of equip ment malf...

Page 195: ... codes Follow all relevant building codes in installations in which an external condensate pan may be necessary Supports for air handler units must be located in or above the external condensate pan Specific Guidelines for Horizontal Left Installation Units must not be installed where the access panels face up or down nor where filter access is obstructed If the air handler unit is suspended use a...

Page 196: ... accordance with the most recent edition of the Sheet Metal and Air Conditioning Contractors National Association SMACNA Construction Standard Fibrous ducts and acoustical linings must follow National Fire Protection Association NFPA Standards 90A or 90B as tested by UL Standard 181 for Class 1 ducts Seal around the ducts to prevent air leaks At least ten 10 screws M4 25L At least six 6 screws M 4...

Page 197: ... pan The entire condensate line must be drained from the external condensate pan Point the drain hose downward for easy drain flow Do not use pipe joint connection or PVC CPVC for the unit drain line connection Use Teflon tape Indoor Unit Drain Type Drain Pipe Dia ID in BH B8 M2 M3 Frame High Static Ducted 27 1 2 in Lift Drain Pump Factory Installed Ø1 L1 L2 L3 Frame Low Static Ducted NJ NK Frame ...

Page 198: ...ommon Indoor Unit Drainage System It is usual work practice to connect individual indoor unit drain pipes to one common indoor unit drainage system The diameter of the common vertical drain pipe must be as large as necessary The diameter of the horizontal pipe must be the same or larger than the vertical drain pipe To avoid property damage in the event of the primary drain becom ing clogged and to...

Page 199: ... completely sealed APPLICATION GUIDELINES Wiring Guidelines 1 Insert the power wiring communications cable from the outdoor unit or heat recovery unit Heat Recovery systems only using the desig nated path in the indoor unit 2 Connect each wire to its appropriate terminal on the indoor unit control board Verify that the color and terminal numbers from the outdoor unit or heat recovery unit Heat Rec...

Page 200: ...V 60 Hz 1 Phase Ground YL RD A B BK Wired Controller Figure 78 Location of Power Wiring Communications Cable Terminals in the Vertical Horizontal Air Handler Unit Figure 80 Terminal Block in the High Static B8 Ducted Indoor Units Power Supply High Voltage 208 230V Transmission Wired Remote Controller YL RD BK A B L L1 N L2 GN YL Conduit Hole Indoor Unit Power Wiring Remote Controller Communication...

Page 201: ...tain comfort levels in the conditioned space the wired control ler must be installed in a location away from direct sunlight high humidity and where it could be directly exposed to cold air Control ler must be installed four 4 to five 5 feet above the floor where its LED display can be read easily in an area with good air circulation and where it can detect an average room temperature Do not insta...

Page 202: ...igitally Controlled MCA Minimum Circuit Ampacity BTL BACnet Testing Laboratories mm Millimeter Btu h British Thermal Unit per Hour MOP Maximum Overcurrent Protection CAA Clean Air Act OD Outside Diameter CFM Cubic Feet per Minute ODU Outdoor Unit CFR Code of Federal Regulations PI Power Input DB Dry Bulb PTAC Packaged Terminal Air Conditioner dB A Decibels with A frequency weighting SHC Sensible H...

Page 203: ...rUnits_03_19 EM_MultiV_Ducted_IndoorUnits_8_17 EM_MultiV_Ducted_IndoorUnits_11_16 EM_MultiV_Ducted_IndoorUnits_8_16 EM_MultiV_Ducted_IndoorUnits_4_16 LG Electronics U S A Inc Air Conditioning Technologies 4300 North Point Parkway Alpharetta Georgia 30022 www lghvac com ...

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