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LG MULTI V WATER IV ARWN LAS4 Series Service Manual

LG MULTI V WATER IV ARWN LAS4 Series Service Manual

Outside unit

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CONFIDENTIAL
Outside Unit
R410A
SERVICE MANUAL
(Exploded View)
MODEL : ARWN***LAS4
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

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Summary of Contents for LG MULTI V WATER IV ARWN LAS4 Series

  • Page 1 SERVICE MANUAL (Exploded View) MODEL : ARWN***LAS4 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel. Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 2 ARWN***LAS4 1. Specifications ..................3 2. Functions ..................16 3. Dimensions ..................17 4. Piping Diagrams ................18 5. Wiring Diagrams................20 6. Exploded View ..................27 - 2 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 3: Specifications

    2. Capacities are net capacities. under 10℃(50°F), and change the DIP switch on main PCB. (For more information, refer a installation manual.) - 3 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 4 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 4 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 5 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 5 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 6 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 6 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 7 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 7 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 8 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 8 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 9 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 9 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 10 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 10 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 11 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 11 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 12 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 12 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 13 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 13 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 14 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 14 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 15 3. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. - 15 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 16 O : Applied, X : Not applied Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package. - 16 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 17 Dimensions 3. Dimensions - 17 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 18: Piping Diagrams

    Outlet Temp. Sub-Cooling HEX Liquid Temp. 4Way Valve Temperature Sensor Pressure Sensor Service Valve Remarks Solenoid Valve Strainer Check Valve Pressure Switch - 18 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 19 Outlet Temp. Sub-Cooling HEX Liquid Temp. 4Way Valve Temperature Sensor Pressure Sensor Service Valve Remarks Solenoid Valve Strainer Check Valve Pressure Switch - 19 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 20: Wiring Diagrams

    Wiring Diagrams 5. Wiring Diagrams n ARWN080LAS4, ARWN100LAS4, ARWN120LAS4, ARWN140LAS4 - 20 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 21 Wiring Diagrams n ARWN160LAS4, ARWN180LAS4, ARWN200LAS4 - 21 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 22 MAIN PCB CN_POWER SW01D SW01C SW02C CN_SMPS SW03C SW04C CN_SMPS2_BL CN_DEBUGGER CN_CNVSS CN6~CN10_OPTION PCB CN3_FLASH WRITE CN2_LGMV CN_EXT CN_COMP2 CN_COMP1 CN_COMMWIRE - 22 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 23 HEX_H/LIQUID CN22_DDC CN08_CYCLE CN18_SOL_V/V CN03_WRITE01 CN05_FLASH01 CN14_FAN CN04_WRITE02 CN15_H/GAS CN06_FLASH02 CN10_HEATER_C1 CN43_COMM CN09_AC_INPUT CN24_FLOW S/W CN25_P_C1_S/W CN34_DIS_C1/WATER/SUC CN13-4WAY1 CN28_OIL_LEVEL_SEN CN38_SC_INJ_EEV CN37_MAIN_EEV1 - 23 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 24 Wiring Diagrams n Converter PCB (8~14HP) CN_DCLINK_INV CN_DCLINK_FAN CN_COMP_INV n Converter PCB (16~20HP) CN_COIL2 CN_DCLINK_INV CN_DCLINK_INV CN_DCLINK_FAN CN_COIL1 CN_COMP_INV CN_N/F CN_N/F CN_N/F - 24 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 25 CN1_COMM CN_FAN CN_MAIN (COMP1 RD/COMP 2 YL) n Inverter PCB (16~20HP) CN_COMP_UVW CN_LGMV CN_FLASH CN1_COMM CN_MAIN (COMP1 RD/COMP 2 YL) CN_FAN - 25 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 26 Wiring Diagrams n Noise filter (8~20HP) CN_INV_T CN_INV_S CN_INV_R CN1_SMPS_POWER CN_INV_N CN_DCLINK_P CN_EXT_POWER CN_INV_R CN_INV_S CN_INV_T CN_INV_N - 26 - Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 27 W6200 261704 268711A 649950 W0DS 268711D 268711G 268711F 546810 268711B 268711C 268711E W49200 263230A W6640B W6640A W6631A...
  • Page 28 137214 237204C 137213A 237204B 437212 W4810A 137215 649950 135501B 237204A 137213A 137213B 437211 147780B 135501A W4986A 135510 147780A 430410 W4986B...
  • Page 29 552120 W49810 263230B 165000B W52240A 552116 561410B 552204 W4810B 552203A 165000A 552203B 561410A 552113 552202 661400 552200B 552114 263230C 566001 W52240B 552209 552201B 552117 W52240B 548490 554160 550140...
  • Page 30 W49810 552116 552120 561410A W52240A 552204 165000A W4810B 552203A 165000B 263230B 552203B 552202 263230B 561410B W52240B 552200B 661400 263230C 263230A 552209 566001 35211A W52240B 548490 554160 552114 552113 550140...
  • Page 31 P/NO : MFL67103703 Copyright © 2013 - 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.