LG ARNU 053 SBL4 Engineering Manual Download

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50 | StAndArd

MUL

TI V W

all-Mounted Indoor Unit Engineering Manual

Due to our policy of continuous product innovation, some specifications may change without notification.

StandaRd Wall-Mounted

Cooling Capacity tables

Table 29: ARNU053SBL4, ARNU073SBL4, ARNU093SBL4 Cooling Capacity Table.

Arnu053SBl4, Arnu073SBl4, Arnu093SBl4

TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh).

Model No. /

Capacity Index

Outdoor

Air Temp.

(°F DB)

Indoor Air Temperature (°F DB / WB)

68 / 57

73 / 61

79 / 64

80 / 67

85 / 70

88 / 73

91 / 76

SHC

MBh

ARNU053SBL4 /

5.5

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.1

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

7.0

4.4

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

6.9

4.3

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

6.8

4.2

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.6

4.4

6.6

4.1

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.2

4.4

6.4

4.4

6.5

4.1

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.1

4.4

6.2

4.2

6.3

3.9

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

6.0

4.3

6.1

4.1

6.2

3.9

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

5.9

4.3

6.0

4.1

6.1

3.8

100

3.6

3.2

4.4

3.6

5.0

3.9

5.5

4.1

5.8

4.2

5.9

4.0

6.0

3.8

105

3.6

3.2

4.2

3.5

4.7

3.7

5.3

3.9

5.4

3.9

5.7

3.9

5.8

3.7

110

3.5

3.1

4.0

3.3

4.4

3.5

5.0

3.7

5.1

3.7

5.4

3.7

5.6

3.6

ARNU073SBL4 /

7.5

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.7

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.6

5.8

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.4

5.7

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.3

5.6

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.9

5.8

9.1

5.5

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.4

5.9

8.7

5.8

8.8

5.4

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.3

5.8

8.4

5.5

8.6

5.2

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.2

5.7

8.3

5.4

8.4

5.2

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

8.0

5.7

8.2

5.4

8.3

5.1

100

4.9

4.2

6.0

4.8

6.8

5.1

7.5

5.5

7.9

5.6

8.0

5.4

8.2

5.1

105

4.9

4.2

5.7

4.6

6.4

4.9

7.2

5.2

7.3

5.2

7.7

5.2

7.9

5.0

110

4.8

4.1

5.4

4.3

6.0

4.6

6.8

4.9

6.9

4.9

7.3

4.9

7.7

4.8

ARNU093SBL4 /

9.6

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.4

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.3

6.9

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

12.1

6.8

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

11.9

6.7

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.4

6.9

11.6

6.5

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.8

7.0

11.1

6.9

11.3

6.5

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.6

6.9

10.8

6.6

11.0

6.2

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.5

6.8

10.6

6.5

10.8

6.2

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.3

6.8

10.5

6.4

10.6

6.1

100

6.3

5.0

7.7

5.7

8.6

6.1

9.6

6.5

10.1

6.7

10.3

6.4

10.5

6.0

105

6.3

5.0

7.3

5.5

8.2

5.9

9.2

6.2

9.4

6.2

9.9

6.2

10.1

5.9

110

6.2

4.8

6.9

5.2

7.7

5.5

8.6

5.9

8.8

5.9

9.4

5.9

9.8

5.7

Summary of Contents for ARNU 053 SBL4

Page 1: ...EM MultiV WallMounted IndoorUnits 01 15 Wall Mounted INDOOR UNIT Engineering Manual Art Cool Mirror Wall Mounted 7 500 to 24 200 Btu h Standard Wall Mounted 5 500 to 24 200 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: ...Electrical Data 37 External Dimensions 38 39 Electrical Wiring Diagrams 40 Refrigerant Flow Diagrams 41 Acoustic Data 42 45 Air Velocity Temperature Distribution 46 49 Capacity Tables 50 54 Application Guidelines 55 60 Selecting the Best Location 56 General Mounting 56 General Drain Piping Information 57 58 Wiring Guidelines 59 60 Wired Remote Controller Location 60 Acronyms 61 TABLE OF sYMBOLS Th...

Page 4: ...V Indoor Unit Refrigerant R410A B3 Ducted low static bottom return B4 Ducted low static bottom return B8 Ducted high static BG Ducted high static BR 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 NJ Vertical Horizontal Air Handling Unit NK Vertical Horizontal Air Handling Unit S8 Wall Mounted Mirror larg...

Page 5: ... 183 TLC4 Body 32 11 16 x 21 5 8 x 8 7 8 Panel 41 5 16 x 25 3 16 x 1 5 8 19 100 21 500 459 424 353 Body 49 Panel 11 1 4 1 2 243 TLC4 24 200 27 300 601 530 459 3 8 5 8 Ceiling Cassette Four Way 2 x 2 053 TRC4 Body 22 7 16 x 22 7 16 x 8 7 16 Panel 27 9 16 x 27 9 16 x 7 8 5 500 6 100 265 247 212 Body 29 Panel 7 1 4 1 2 073 TRC4 7 500 8 500 265 247 212 093 TRC4 9 600 10 900 283 265 251 Body 32 Panel 7...

Page 6: ...1 153 L2G4 15 400 17 100 450 360 310 183 L2G4 19 100 21 500 530 450 360 243 L3G4 43 5 16 x 27 9 16 x 7 1 2 24 000 27 300 710 570 430 60 3 8 5 8 Ducted Low Static Built In 073 B3G4 32 5 8 x 22 5 8 x 7 1 2 7 500 8 500 283 229 194 46 1 4 1 2 0 15 093 B3G4 9 600 10 900 318 247 212 123 B3G4 12 300 13 600 353 283 229 153 B3G4 15 400 17 100 388 353 283 183 B4G4 43 5 16 x 22 5 8 x 7 1 2 19 100 21 500 494 ...

Page 7: ... CFA4 52 15 16 x 8 x 25 19 100 21 500 565 494 424 75 243 CFA4 24 200 27 300 635 565 494 3 8 5 8 Floor Standing Uncased 073 CEU4 38 1 2 x 7 15 16 x 25 3 16 7 500 8 500 300 265 229 46 1 4 1 2 093 CEU4 9 600 10 900 335 300 265 123 CEU4 12 300 13 600 371 335 300 153 CEU4 15 400 17 100 406 353 335 183 CFU4 49 7 16 x 7 1 2 x 25 3 16 19 100 21 500 565 494 424 58 243 CFU4 24 200 27 300 635 565 494 3 8 5 8...

Page 8: ...p to 16 indoor units Programmable schedule with 5 events per day with control of occupied unoccupied on off mode setpoints and fan speed Advanced functions include two setpoint autochangeover minimum difference between setpoints setback and timed override Wireless Handheld PQWRHQ0FDB Ivory Allows control of indoor unit on off operation mode fan speed and temperature setpoint Wall Mounted Remote Te...

Page 9: ...rol Allows system expansion through Digital and Analog inputs and outputs 3 Digital Inputs Dry Contact input only 3 Digital Outputs Max 2A 30VAC DC 4 Analog Outputs 0 to 10 VDC configurable 0 to 20 mA configurable 4 Universal Inputs individually configurable as analog or digital Analog Voltage Current Thermistor NTC PT Ni Digital for Dry Contact input only Auxiliary Heater Relay Kit PRARH0 Indoor ...

Page 10: ...limit manual control and scheduling of digital output kit peak demand control visual floor plan navigation web access operation and error history log one digital input and two digital outputs for device interlocking and error e mail notification AC Ez PQCSZ250S0 32 16 256 1 12 VDC ODU Provides for scheduling in addition to basic indoor unit control and monitoring Advanced Control Platform IV ACP I...

Page 11: ...Input Output Description ACP IV BACnet Gateway PQNFB17C1 256 16 256 4 24 VAC 10 4 Allow integration of LG equipment for control and monitoring by open protocol BACnet and LonWorks building automation and controls systems LonWorks Gateway PLNWKB100 64 16 64 1 24 VAC 2 2 Before specifying or placing an order refer to the V Net Network Solution Engineering Product Data Book and review the detailed te...

Page 12: ...w Air supply outlets 1 1 1 2 4 4 1 1 Airflow direction left right manual auto Auto airflow direction up down Fan speed Heating mode 3 3 4 4 4 4 3 3 Fan speed Cooling mode 4 4 5 5 5 5 3 3 Fan speed fan mode 3 3 4 4 4 4 3 3 Chaos swing random louver swing Chaos wind random fan speed Jet cool power cooling Operation E S P control High ceiling Auto restart after power restore Hot start Diagnostics Aut...

Page 13: ...store Hot start Diagnostics Auto changeover1 Auto operation6 Auto clean coil dry Child lock Dual thermistor control Dual set point control Filter life display Power consumption display with PDI Forced operation Group control Requires the use of one Group control cable kit PZCWRCG3 for every additional indoor unit Timer on off Weekly schedule Test operation mode Filter Plasma3 Washable anti fungal2...

Page 14: ...piping design meets LG s quality standards a LATS refrigerant piping design must be provided with every Multi V order Following the installation if any changes or variations to the design are necessary a new LATS file must be created and provided to LG prior to system commissioning to ensure the proper pipe size has not changed Design Choices LATS Multi V software is flexible offering the HVAC sys...

Page 15: ...age 16 General Data on page 17 Electrical Data on page 18 External Dimensions on page 19 Electrical Wiring Diagram on page 21 Refrigerant Flow Diagrams on page 23 Acoustic Data on page 24 Air Velocity Temperature Distribution on page 26 Capacity Tables on page 29 ...

Page 16: ...rew terminals on the control boards The microprocessor control provides the following functions self diagnostics auto restart following power restoration test run and will operate the indoor unit using one of five operation 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 ind...

Page 17: ...sted in an anechoic chamber under ISO Standard 3745 4 All communication cable to be minimum 18 AWG 2 conductor stranded shielded and must comply with applicable and national code Ensure the communications cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communications cable at any other point Model No ARNU073SER2 ARNU093SER2 ARNU123SER2 ARNU153SER2 ARNU183S8R2 A...

Page 18: ...cal system where voltage supplied to unit terminals is within the listed range limits Select wire size based on the larger MCA value Instead of a fuse use the circuit breaker Model Number Voltage Range MCA MOP Rated Amps A Power Supply Power Input W Hz Volts Phase Cooling Heating SE Frames ARNU073SER2 187 253 0 29 15 0 3 60 208 230V 1 40 40 ARNU093SER2 0 29 0 3 40 40 ARNU123SER2 0 29 0 3 40 40 ARN...

Page 19: ...vation 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 External Dimensions Figure 2 ARNU073SER2 ARNU093SER2 ARNU123SER2 ARNU153SER2 Dimensions SE Frame Art CoolTM Mirror ...

Page 20: ...cy 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 External Dimensions S8 Frame Figure 3 ARNU183S8R2 ARNU243S8R2 Dimensions Art CoolTM Mirror ...

Page 21: ...ation 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 SE and S8 Frames Figure 4 ARNU073 153SER2 ARNU183 243S8R2 Wiring Diagram Art CoolTM Mirror ...

Page 22: ...TOR1 Fan motor output Motor output of BLDC CN COM Communication Connection between indoor and outdoor CN EEV EEV output EEV control output CN L R Step motor Step motor output for left right CN U D Step motor Step motor output CN TH1 Room pipe sensor Room pipe thermistor CN TH2 Discharge pipe sensor Discharge pipe thermistor CN SUC Step motor front Front panel step motor CN HVB Air purifier Air pur...

Page 23: ...E S8 Frame Piping Diagram Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 14 SE S8 Frame Refrigerant Pipe Connection Port Diameters Table 15 SE S8 Frame Thermistors SE and S8 Frames Heat Exchanger C F F lndoor unit EEV Heating Cooling Filter Filter TH3 TH1 TH2 Model Liquid inch Vapor inch SE Frames ARNU073SER2 1 4 Flare 1 2 Flare ARNU093SER2 AR...

Page 24: ...R2 and ARNU123SER2 Sound Pressure Level Diagrams 3 3 ft 3 3 ft Microphone Art CoolTM Mirror Octave Band Sound Pressure Level dB re 20µPa Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold Octave Band Sound Pressure Level dB re 20µPa Octave Band Center Frequency Hz...

Page 25: ...0 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold Octave Band Sound Pressure Level dB re 20µPa Octave Band Center Frequency Hz 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold Octave Band So...

Page 26: ...Air velocity ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 0 1 0 3 3 2 0 6 6 1 5 4 9 0 5 1 6 24 75 2 22 71 6 20 68 18 64 4 3 3 6 6 4 9 1 6 75 2 71 6 68 64 4 Cooling Discharge angle 45 Air velocity ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 0 0 5 1 6 1 6 30 86 38 100 4 86 100 4 6 6 4 9 3 3 27 80 6 28 82 4 80 6 82 4 89 6 93 2 104 Heating Discharge angle 60 Air veloci...

Page 27: ...y ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 1 0 3 3 2 0 6 6 1 5 4 9 0 5 1 6 21 69 8 24 75 2 27 80 6 30 86 33 91 4 3 3 6 6 4 9 1 6 69 8 75 2 80 6 86 91 4 0 16 4 ft 13 1 ft 9 8 ft 6 6 ft 3 3 ft Cooling Discharge angle 45 Air velocity ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 0 0 5 1 6 1 6 3 3 38 100 4 100 4 1 6 8 2 6 6 4 9 27 80 6 28 82 4 30 86 80 6 82 4 86 89 6...

Page 28: ...9 6 89 6 16 4 ft 13 1 ft 9 8 ft 6 6 ft 3 3 ft Heating Discharge angle 60 Air velocity ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 0 4 9 3 3 1 6 69 8 68 8 2 6 6 22 71 6 71 6 60 8 64 4 16 4 ft 13 1 ft 9 8 ft 6 6 ft 3 3 ft Cooling Discharge angle 45 Air velocity ft s Temperature F 8 9ft 6 6ft 3 3ft 0 0 8 9ft 6 6ft 3 3ft 0 0 4 9 3 3 86 82 4 9 8 8 2 6 6 96 8 93 2 32 89 6 89 6 16 4 ft 1...

Page 29: ... 9 6 6 8 10 8 7 3 11 4 7 3 12 4 7 2 40 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 12 4 7 2 45 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 12 4 7 2 50 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 12 4 7 2 55 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 12 4 7 3 60 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 12 3 7 2 65 6 3 5 2 7 7 6 0 8 6 6 4 9 6 6 8 10 8 7 3 11 4 7 3 1...

Page 30: ...3 8 21 4 14 8 22 7 14 6 24 6 14 6 45 12 6 10 6 15 3 12 1 17 2 13 0 19 1 13 8 21 4 14 8 22 7 14 6 24 6 14 6 50 12 6 10 6 15 3 12 1 17 2 13 0 19 1 13 8 21 4 14 8 22 7 14 6 24 6 14 6 55 12 6 10 6 15 3 12 1 17 2 13 0 19 1 13 8 21 4 14 8 22 7 14 6 24 6 14 6 60 12 6 10 6 15 3 12 1 17 2 13 0 19 1 13 8 21 4 14 8 22 7 14 6 24 4 14 5 65 12 6 10 6 15 3 12 1 17 2 13 0 19 1 13 8 21 4 14 8 22 7 14 6 24 1 14 3 7...

Page 31: ... 9 5 40 0 36 0 11 3 11 3 11 3 11 3 10 9 10 6 10 0 9 5 45 0 41 0 11 8 11 8 11 8 11 4 10 9 10 6 10 0 9 5 47 0 43 0 12 2 12 1 12 0 11 4 10 9 10 6 10 0 9 5 50 0 46 0 13 1 12 5 12 0 11 4 10 9 10 6 10 0 9 5 55 0 51 0 13 3 12 6 12 0 11 4 10 9 10 6 10 0 9 5 60 0 56 0 13 3 12 6 12 0 11 4 10 9 10 6 10 0 9 5 ARNU123SER2 12 3 4 4 4 9 1 9 1 9 1 9 1 9 0 9 0 9 0 9 0 0 0 4 9 4 9 4 9 4 9 4 9 4 9 2 9 2 9 2 5 0 4 5 ...

Page 32: ... 0 32 0 21 5 21 5 21 5 21 5 21 3 20 9 19 8 18 8 40 0 36 0 22 4 22 4 22 4 22 4 21 5 20 9 19 8 18 8 45 0 41 0 23 2 23 2 23 2 22 6 21 5 20 9 19 8 18 8 47 0 43 0 24 1 23 9 23 7 22 6 21 5 20 9 19 8 18 8 50 0 46 0 25 8 24 7 23 7 22 6 21 5 20 9 19 8 18 8 55 0 51 0 26 3 24 9 23 7 22 6 21 5 20 9 19 8 18 8 60 0 56 0 26 3 24 9 23 7 22 6 21 5 20 9 19 8 18 8 ARNU243S8R2 24 2 4 4 4 18 3 18 3 18 3 18 3 18 0 18 0...

Page 33: ...4 General Data on page 35 Electrical Data on page 37 External Dimensions on page 38 Electrical Wiring Diagram on page 40 Refrigerant Flow Diagrams on page 41 Acoustic Data on page 42 Air Velocity Temperature Distribution on page 46 Capacity Tables on page 50 ...

Page 34: ...uctor stranded and shielded cable RS 485 terminated via screw terminals on the control boards The microprocessor control provides the following functions auto addressing self diagnostics auto restart following power restoration test run and will operate the indoor unit using one of five operation modes 1 Auto Changeover Heat Recovery only 2 Heating 3 Cooling 4 Dry 5 Fan Only For Heat Recovery syst...

Page 35: ...ubpart F under section 608 of CAA 3 Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745 4 All communication cable to be minimum 18 AWG 2 conductor stranded shielded and must comply with applicable and national code Ensure the communication cable is properly grounded at the master outdoor unit only Do not ground the ODU IDU communication cable at any other point Model No...

Page 36: ...EEV Electronic Expansion Valve Power wiring is field supplied and must comply with the applicable local and national codes This unit comes with a dry nitrogen charge This data is rated 0 ft above sea level with 25 ft of refrigerant line per indoor unit and a 0 ft level difference between outdoor and indoor units All capacities are net with a combination ratio between 95 105 Cooling capacity rating...

Page 37: ...tage supplied to unit terminals is within the listed range limits Select wire size based on the larger MCA value Instead of a fuse use the circuit breaker Model Number Voltage Range MCA MOP Rated Amps A Power Supply Power Input W Hz Volts Phase Cooling Heating SB Frames ARNU053SBL4 187 253 0 2 15 0 16 60 208 230 1 21 0 21 0 ARNU073SBL4 0 2 0 16 21 0 21 0 ARNU093SBL4 0 2 0 16 21 0 21 0 ARNU123SBL4 ...

Page 38: ... a registered trademark of LG Corp Standard Wall Mounted External Dimensions Figure 15 ARNU053SBL4 ARNU073SBL4 ARNU093SBL4 ARNU123SBL4 ARNU153SBL4 Dimensions SB Frame Display and Signal Receiver Front Panel Air Inlet Grille Installation Plate Access Hole 11 7 16 2 8 5 16 1 13 16 35 1 4 13 7 16 12 3 4 5 1 16 1 1 2 31 1 8 8 1 16 26 5 8 12 7 8 16 5 8 10 7 16 2 13 16 Unit inches Note All measurements ...

Page 39: ...ounted External Dimensions SC Frame Figure 16 ARNU183SCL4 ARNU243SCL4 Dimensions Display and Signal Receiver Front Panel Air Inlet Grille Installation Plate Access Hole 9 7 8 40 9 16 12 13 16 8 5 16 2 13 16 2 3 4 2 1 4 Right rear piping Left rear piping Installation Plate Measuring Tape Measuring Tape Hanger Place a level on raised tab Unit Outline 8 3 16 4 3 16 18 1 8 22 1 2 2 13 16 Unit inches N...

Page 40: ...put Motor output of BLDC CN LIMIT Safety switch Front panel open closed position CN HVB Air clean Air clean control CN LEV EEV output EEV control output CN U D Step motor Step motor output CN DISP2 Display Display of indoor status CN DISP1 Display Display of indoor status CN CC Dry contact Dry contact line CN 485 Communication Connection between indoor and outdoor units CN REMO Remote controller R...

Page 41: ...C Frame Piping Diagram SB and SC Frames Model Liquid inch Vapor inch SB Frames ARNU053SBL4 1 4 Flare 1 2 Flare ARNU073SBL4 ARNU093SBL4 ARNU123SBL4 ARNU153SBL4 SC Frames ARNU183SCL4 1 4 Flare 1 2 Flare ARNU243SCL4 3 8 Flare 5 8 Flare Thermistor Description TH1 Return air thermistor TH2 Pipe in thermistor TH3 Pipe out thermistor Table 25 SB SC Frame Refrigerant Pipe Connection Port Diameters Table 2...

Page 42: ...Operating Conditions Power source 220V 60 Hz Sound level will vary depending on a range of factors including the construction acoustic absorption coefficient of a particular room in which the unit was installed Figure 19 Sound Pressure Measurement Location Model Sound Pressure Levels dB A High Fan Speed Medium Fan Speed Low Fan Speed SB Frames ARNU053SBL4 32 0 30 0 28 0 ARNU073SBL4 32 0 30 0 28 0 ...

Page 43: ... LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Figure 21 ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 Sound Pressure Level Diagrams Figure 22 ARNU243SCL4 Sound Pressure Level Diagram Standard Wall Mounted Acoustic Data Sound Pressure Levels ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 ARNU243SCL4 ...

Page 44: ...red 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 Table 28 Standard Wall Mounted Indoor Unit Sound Power Levels Model Sound Power Levels dB A High Fan Speed SB...

Page 45: ...tion LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Standard Wall Mounted Acoustic Data Sound Power Levels Figure 24 ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 Sound Power Level Diagrams Figure 25 ARNU243SCL4 Sound Power Level Diagrams ARNU123SBL4 ARNU153SBL4 ARNU183SCL4 ARNU243SCL4 ...

Page 46: ...t 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 28 82 4 30 86 32 89 6 34 93 2 28 82 4 1 0 3 3 1 5 4 9 1 5 4 9 2 5 8 2 21 69 8 17 62 6 19 66 2 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 2 7m 8 9...

Page 47: ...ft 1m 3 3ft 0m 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m Cooling Discharge angle 15 Heating Discharge angle 40 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 3 0 1 1 5 21 69 8 19 66 2 17 62 6 Air velocity m s ft s Temperature C F 1 0 3 3 1 5 4 9 2...

Page 48: ...6 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m Cooling Discharge angle 10 Heating Discharge angle 30 Air velocity m s ft s Temperature C F Air velocity m s ft s Temperature C F 0 5 1 6 0 5 1 6 1 5 4 9 2 0 6 6 2 5 8 2 3 0 9 8 1 0 3 3 0 5 ...

Page 49: ...ure C F 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 0 5 1 6 0 5 1 6 1 0 3 3 1 5 4 9 2 0 6 6 2 5 8 2 18 64 4 16 60 8 14 57 2 12 53 6 10 50 35 95 34 93 2 34 93 2 32 89 6 32 89 6 44 1 11 2 42 107 6 40 104 38 100 4 38 100 4 36 96 8 36 96 8 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 2 7m 8 9ft 2m 6 6ft 1m 3 3ft 0m 5m 16 4ft 4m 13 1ft 3m 9 8ft 2m 6 6ft 1m 3 3ft 0m 2 7m 8 9ft 2...

Page 50: ...6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 35 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 40 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 45 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 50 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 55 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 7 5 8 60 4 9 4 2 6 0 4 8 6 8 5 1 7 5 5 5 8 4 5 9 8 9 5 8 9 6 5 ...

Page 51: ...5 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 50 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 55 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 9 11 3 60 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 7 11 2 65 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 11 4 18 4 11 3 19 4 11 0 70 10 1 8 1 12 3 9 4 13 9 10 0 15 4 10 6 17 3 ...

Page 52: ...4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 45 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 50 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 55 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 3 17 4 60 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 8 17 4 31 0 17 3 65 15 9 12 5 19 4 14 4 21 8 15 3 24 2 16 4 27 1 17 6 28 ...

Page 53: ...8 2 8 2 8 1 7 8 7 4 35 0 32 0 8 5 8 5 8 5 8 5 8 4 8 2 7 8 7 4 40 0 36 0 8 8 8 8 8 8 8 8 8 5 8 2 7 8 7 4 45 0 41 0 9 2 9 2 9 2 8 9 8 5 8 2 7 8 7 4 47 0 43 0 9 5 9 4 9 4 8 9 8 5 8 2 7 8 7 4 50 0 46 0 10 2 9 8 9 4 8 9 8 5 8 2 7 8 7 4 55 0 51 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 60 0 56 0 10 4 9 9 9 4 8 9 8 5 8 2 7 8 7 4 ARNU093SBL4 9 6 4 4 4 7 3 7 3 7 3 7 3 7 2 7 2 7 2 7 2 0 0 4 7 5 7 5 7 5 7 5 7 5 7 4...

Page 54: ... 19 1 4 4 4 14 4 14 4 14 4 14 4 14 2 14 2 14 2 14 2 0 0 4 14 8 14 8 14 8 14 8 14 8 14 6 14 6 14 6 5 0 4 5 16 8 16 6 16 3 16 3 16 3 16 3 16 3 16 3 10 0 9 0 17 4 17 4 17 4 17 2 17 2 17 2 17 2 17 2 15 0 14 0 18 5 18 5 18 5 18 5 18 5 18 5 18 3 18 1 20 0 19 0 19 6 19 6 19 6 19 6 19 1 19 1 18 8 18 6 25 0 23 0 20 4 20 4 20 4 20 4 20 4 20 0 19 8 18 8 30 0 28 0 20 9 20 9 20 9 20 9 20 9 20 4 19 8 18 8 35 0 ...

Page 55: ...GUIDELINES Selecting the Best Location on page 56 General Mounting on page 56 General Drain Piping Information on page 57 Wiring Guidelines on page 59 Wired Remote Controller Location on page 60 Acronyms on page 61 ...

Page 56: ...termeasure Verify that carpet is or will be installed carpet may increase the temperature by three 3 degrees Add insulation between the floor joists Install radiant heat or another type of heating system to the floor General Mounting Wall mounted indoor units have several options on how the piping and wiring can be routed see figure at right Whichever way the piping and wiring are routed out of th...

Page 57: ...enough to accommodate the drain piping and insulation To prevent reversal flow do not provide up and down slope Do not exert extra force on the drain port on the indoor unit during drain piping connection Indoor Unit Drain Type Drain Pipe Diameter ID in SE Frame Art Cool Wall Mounted Gravity Ø5 8 S8 Frame Art Cool Wall Mounted SB Frame Standard Wall Mounted Ø1 SC Frame Standard Wall Mounted Table ...

Page 58: ... 39 Properly Insulating the Drainage Piping Insulation Required Insulation Not Required Properly Fitting Insulation Figure 40 Example of a Common Indoor Unit Drainage System Application Guidelines General Drain Piping Information Ensure the indoor unit refrigerant piping power wiring communica tion cables and drain piping is properly supported with anchor bolts and clamp hangers positioned at 3 3 ...

Page 59: ...nters the cabinet must be completely sealed Power Wiring and Communications Cable Connections 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 u...

Page 60: ...ion and where it can detect an average room temperature Do not install the wired controller near or in Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from the sun or appliances Concealed pipes and chimneys An area where temperatures are uncontrolled such as an outside wall Figure 45 Proper Location for the Wired Controller 4 to 5 feet above the floor NO NO...

Page 61: ...tally 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 Heat...

Page 62: ...vision 11405 Old Roswell Road Alpharetta Georgia 30009 www lg vrf com EM MultiV WallMounted IndoorUnits 01 15 Supersedes EM MultiV IndoorUnits 07 14 LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products ...

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