LG ARNU48GV2A4 Installation Manual
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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
Ceiling Suspended Air Conditioner
Original instruction
MFL67107610
P/NO :
REV.00_062816
www.lg.com

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Summary of Contents for LG ARNU48GV2A4

  • Page 1 Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly. Ceiling Suspended Air Conditioner Original instruction www.lg.com MFL67107610 P/NO : REV.00_062816...
  • Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING...
  • Page 4 IMPORTANT SAFETY INSTRUCTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- THE INDOOR UNIT IN- ERGY STALLATION IMPORTANT SAFETY IN- Open side-cover Mounting the anchor nut and bolt STRUCTIONS Indoor unit drain piping PRODUCT PARTS Drain piping Drain test INSTALLATION TOOLS Heat insulation Connecting Cables to the indoor unit INSTALLATION...
  • Page 6: Product Parts

    PRODUCT PARTS PRODUCT PARTS Right side cover Air discharge Left side cover Inlet Grill INSTALLATION TOOLS Figure Name Figure Name Screw driver Multi-meter Electric drill Hexagonal wrench Measuring tape, Knife Ammeter Hole core drill Gas-leak detector Thermometer, Spanner Level Torque wrench Flaring tool set...
  • Page 7: Installation

    INSTALLATION MAP INSTALLATION Select the best Location - There should not be any heat source or steam near the unit. - There should not be any obstacles to prevent the air circulation. - A place where air circulation in the room will be good. - A place where drainage can be easily obtained.
  • Page 8: The Indoor Unit Installation

    THE INDOOR UNIT INSTALLATION THE INDOOR UNIT INSTALLATION Air conditioner Take enough distance Use the ventilation fan for smoke-collecting hood with sufficient capacity. Cooking table CAUTION NOTE • Avoid the following installation location. • Install the unit horizontally using a level 1.
  • Page 9: Open Side-Cover

    THE INDOOR UNIT INSTALLATION Open side-cover S S tep 4 Step 1 - Remove paper bracket from side-cover. Step 5 - Remove two screws from side-cover. Step 2 Right side cover - Knock out the pipe hole from the left side- cover with nipper/plier.
  • Page 10 Chassis Code ARNU**GV1A4 1018...
  • Page 11 THE INDOOR UNIT INSTALLATION CAUTION Installation information for declination - Install declination of the indoor unit is very important for the drain of the convertible type air conditioner. - Minimum thickness of the insulation for the connecting pipe shall be 10 mm. - If the Installation Plates are fixed to horizontal line, the indoor unit after installing will be de- clined to the bottomside.
  • Page 14: Flaring Work

    THE INDOOR UNIT INSTALLATION Putting nut on Check - Remove flare nuts attached to indoor and Compare the flared work with the figure outdoor unit, then put them on pipe/tube having completed burr removal. If a flared section is defective, cut it off (not possible to put them on after finishing and do flaring work again.
  • Page 15 THE INDOOR UNIT INSTALLATION When needed to extend the drain hose of Bundle the piping and drain hose together indoor unit, assembly the drain pipe as by wrapping them with vinyl tape sufficient shown on the drawing enough to cover where they fit into the rear piping housing section.
  • Page 17 ARNU******4 (outdoor units) should be after October 2013.
  • Page 18: Group Control Setting

    THE INDOOR UNIT INSTALLATION Group Control Setting Group Control 1 ■ Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal Master Slave Slave Slave 12 V Only connect serial signal and Display Error Message GND lines between indoor units. Master ■...
  • Page 19 THE INDOOR UNIT INSTALLATION * It is possible to connect indoor units since Feb. 2009. * It can be the cause of malfuctions when there is no setting of master and slave. * In case of Group Control, it is possible to use following functions. - Selection of operation, stop or mode - Temperature setting and room temperature check - Current time change...
  • Page 20 THE INDOOR UNIT INSTALLATION Group Control 3 ■ Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Signal Master Slave Master Slave 12 V Display Error Message Display Error Message Master Master * In case of connecting with standard indoor unit and Fresh Air Intake Unit, separate Fresh Air In- take Unit with standard units.
  • Page 21 THE INDOOR UNIT INSTALLATION 2 Remote Control ■ Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Slave Signal Master 12 V Display Error Message Master Slave 1. It is possible to connect two wired remote controllers (Max.) with one indoor unit. Set only one indoor unit to Master, set the others to Slave.
  • Page 22 THE INDOOR UNIT INSTALLATION Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller Indoor unit 1 EA +Wired remote controller 2EA * PZCWRCG3 cable used for connection * PZCWRC2 cable used for connection Slave Master...
  • Page 23 48,000 36,000...
  • Page 25 LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands LG Electronics Tianjin Appliances Co.,Ltd. No.09, JinWei Road, BeiChen District,Tianjin, China.

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