LG ARWN100LA2.EWGBLEU User Manual

ENGLISHSystemOutdoor UnitINSTALLATION MANUALLGMODELS: ARWN100LA2ARWN200LA2website http://www.lgservice.comIMPORTANT• Please read this installation man

10 Outdoor UnitSelect Installation LocationSelect Installation Location1. Do not install Multi V water outdoor. Always install indoor like machine roo

Installation Manual 11Installation space ENGLISHInstallation space Individual InstallationCollective / Continuous InstallationRequired the minimum sp

Water control 12 Outdoor UnitWater control Water control • Keep the water temperature between 10~45°C. Other it may cause the breakdown.- Standard wat

Installation Manual 13Water control ENGLISHStandard table for water purity controlThe water may contain many foreign substances and hence may influen

Lifting method14 Outdoor UnitLifting method• When carrying the unit suspended, pass the ropes under the unit and use the two suspension points eachat

Installation Manual 15InstallationENGLISHInstallationLocation of anchor bolt• Be sure to install unit in a place strong enough to withstand its weigh

Installation16 Outdoor UnitPreparation of Piping1. Cut the pipes and the cable. Use the accessory piping kit or the pipes purchasedlocally. Measure

Installation Manual 17InstallationENGLISH1. Follow the pipe path. Bend the pipe more than 3 times in 1 location and do not bend in the opposite direc

Installation18 Outdoor UnitCAUTIONAfter installing the pipe, block the pipe escape of front and side panel. (It can cause mouse or other animals to en

Installation Manual 19InstallationENGLISH* Note 1) General location: When the pipe passes through indoors in which the indoor unit is operated- Apart

2 Outdoor UnitARWN100LA2, ARWN200LA2 Outdoor unit Installation ManualTABLE OF CONTENTSSafety Precautions ...3Selec

Installation20 Outdoor UnitWhen installing the branch pipe vertically between the outdoor units, the refrigerant can be unevenbetween the outdoor unit

Installation Manual 21InstallationENGLISH10. Installation of water pipe1) Water pipe system diagram• The water pressure resistance of the water pipe

Installation22 Outdoor UnitWater pipeconnection 3 Water pipe inlet Water pipe outlet mm inch (kN) (kgf) (kN) (kgf) (N.m) (kgf.m)(N.m) (kgf.m)12.7 1/2

Installation Manual 23Refrigerant piping system ENGLISHRefrigerant piping system Y branch method1 Outdoor UnitsExample : 5 Indoor Units connected: Ou

Refrigerant piping system 24 Outdoor Unit➲ Refrigerant pipe diameter from branch to branch (B,C,D)➲ Total pipe length = A+B+C+D+a+b+c+d+e ≤ 1,000 m• *

Installation Manual 25Refrigerant piping system ENGLISHHeader branch method1 Outdoor UnitExample : 6 Indoor Units connected: Outdoor Unit: 1st branch

Refrigerant piping system 26 Outdoor UnitCombination of Y branch/header methodExample : 5 Indoor Units connected: Outdoor Unit: 1st branch (Y branch)

Installation Manual 27Refrigerant piping system ENGLISH➲ Refrigerant pipe diameter from branch to branch (B,C)➲ Total pipe length = A+B+C+a+b+c+d+e ≤

Refrigerant piping system 28 Outdoor UnitOutdoor unit ConnectionIndoor Unit ConnectionWARNING• In case of pipe diameter B connected after first branch

Installation Manual 29Refrigerant piping system ENGLISHOil trap application method between outdoor units• Because of the possibility of oil being acc

Installation Manual 3ENGLISHSafety PrecautionsSafety PrecautionsTo prevent injury to the user or other people and property damage, the following inst

Refrigerant piping system 30 Outdoor UnitIndoor unit connectionEx) 5 indoor units connected: Outdoor unit: 1stY branch: 2ndY branch: Indoor unit: Head

Installation Manual 31Refrigerant piping system ENGLISHCalculation of amount of refrigerantThe calculation of the additional charge should take accou

Refrigerant piping system 32 Outdoor UnitRefrigerant pipe fittingTo Outdoor UnitSealed PipingAABABARBLN01620 ARBLN03320 ARBL054 ARBL057 ARBL1010ARBLN0

Installation Manual 33Refrigerant piping system ENGLISH2. Y Branch and Header FittingY branchA B To Outdoor UnitTo Branch Piping or Indoor UnitABFaci

Refrigerant piping system 34 Outdoor Unit• When the number of indoor units to be connected to the branch pipes is less than the number of branchpipes

Installation Manual 35Refrigerant piping system ENGLISH3. Thermal insulation of refrigerant pipingHeatinsulationmaterialOutercoveringAdhesive + Heat

Y branch pipe and header branch pipe type 36 Outdoor UnitY branch pipe and header branch pipe type Y branch pipeModels Gas pipe Liquid pipeARBLN03320A

Installation Manual 37Y branch pipe and header branch pipe type ENGLISHHeaderØ15.88Ø12.7Ø15.88Ø12.7Ø19.05Ø15.88Ø12.7Ø15.88Ø12.7Ø19.05[unit:mm]4 branc

Leakage test and vacuum 38 Outdoor UnitLeakage test and vacuum Leak testIndoor unitNitrogen gascylinder Main outdoor unitCloseCloseLiquide pipeGas pip

Installation Manual 39Leakage test and vacuum ENGLISHVacuumVacuum drying should be made from the service port provided on the outdoor unit’s service

4 Outdoor UnitSafety PrecautionsFor re-installation of the installed product,always contact a dealer or an AuthorizedService Center.• There is risk of

Electrical Wiring40 Outdoor UnitAreas of CautionElectrical Wiring• Use the 2-core shield cables for transmission lines. Never use them together with p

Installation Manual 41Electrical WiringENGLISH- Unscrew all the screw, pull out the panel.- Connect the transmission wire between outdoor unit and in

Electrical Wiring42 Outdoor UnitTransmission and Power Lines1. Transmission cable• Types : shielding wire CVVS or CPEVS• Diameter : over 1.25mm2• Insu

Installation Manual 43Electrical WiringENGLISH◆ Example for mistake of wiring• Do not separately connect the power of the indoor unit.3 phase 4 wires

Electrical Wiring44 Outdoor UnitDip switch setting1. Location of setting switch 2. Dip switch setting1) Set the dip switch and turn on the power of th

Installation Manual 45Electrical WiringENGLISH Master indoor SettingSW01B Setting SW02B Setting RemarkNormal mode at shippingfactory1234567ON1234567

Electrical Wiring46 Outdoor UnitFunction SW01B Setting SW02B Setting RemarkStandard mode at ship-ping factoryAfter the system turn on,Dip Switch 7,12

Installation Manual 47Electrical WiringENGLISHFunction SW01B Setting SW02B Setting RemarkFor water pipe SolenoidValve 220V powerVacuum ModeWater Pipe

Electrical Wiring48 Outdoor Unit• The address of the indoor units would be set by auto addressing.1) Wait for 3 minutes after applying power supply (m

Installation Manual 49Electrical WiringENGLISH◆ The Procedure of Automatic Addressing• Auto addressing setting endNumbers of indoor unit connection s

ENGLISHInstallation Manual 5Safety Precautions OperationSecurely install the cover of control box andthe panel. • If the cover and panel are not ins

Electrical Wiring50 Outdoor UnitGroup Number Setting of Indoor UnitsTimer CancelProgram WeekHour MinHolidaySet/ClrRESETZONE1234Operation unitHumidifyJ

Installation Manual 51ENGLISHTest Run• Before executing the test run for the product, you must first test the cooling water system. The test run for

52 Outdoor UnitTest RunPrecaution before test run12345Check whether the air is completely removed and the water supply is flowing smoothly. Check whet

Installation Manual 53ENGLISHTest RunHow to Cope with Abnormal Test RunThe phenomena from main component failureWhether water issupplied CH32CH180Wat

54 Outdoor UnitTest RunSelf-Diagnosis FunctionError Indicator• This function indicates type of failure in self-diagnosis and occurrence of failure for

Installation Manual 55ENGLISHTest RunDisplay Error item Root cause of errornumberCompressor turned Off due to slave outdoor unit inverter DC voltageo

56 Outdoor UnitTest RunDisplay Error item Root cause of errornumberMaster outdoor unit power line phase missingSlave outdoor unit power line phase mis

Installation Manual 57ENGLISHSite air conditioner/heater management sheetSite air conditioner/heater management sheetBranch pipe FittingOutdoor unit

58 Outdoor UnitWater cooling type cooling tower applied method Water cooling type cooling tower applied method [Open type cooling tower + Middle heat

Installation Manual 59ENGLISHCaution For Refrigerant LeakCaution For Refrigerant LeakThe installer and system specialist shall secure safety against

6 Outdoor UnitSafety Precautions InstallationWhen the product is soaked (flooded or submerged), contact an Authorized ServiceCenter.• There is risk o

60 Outdoor UnitCaution For Refrigerant Leak3) With partition and without opening which serve as passage of air to adjoining room Calculate refrigeran

P/No.: MFL30215310Printed in KoreaAfter reading this manual, keep it in a place easily accessible to the user for future reference.

ENGLISHInstallation Manual 7Safety PrecautionsUse power cables of sufficient current carrying capacity and rating. • Cables that are too small may le

8 Outdoor UnitSafety Precautions OperationDo not use the air conditioner in special environments.• Oil, steam, sulfuric smoke, etc. can significantly

ENGLISHInstallation Manual 9Safety PrecautionsDo not touch any of the refrigerant pipingduring and after operation.• It can cause a burn or frostbite