LG ARWN60GA0.EWGBLEU User Manual

P/NO : MFL63748906www.lg.comPlease read this installation manual completely before installing the product.Installation work must be performed in accor

10 Outside UnitOutside units InformationOutside units InformationPower Supply: Outside Unit (1Ø, 220-240V, 50Hz)CAUTIONRatio of the connectable Indoor

Alternative Refrigerant R410A Installation Manual 11ENGLISHSelect the Best LocationSelect space for installing outside unit, which will meet the foll

12 Outside UnitInstallation space Installation space Required the minimum space as shown below for installation and check. If the space is not fit on

Installation Manual 13ENGLISHWater control Water control Water control • Keep the water temperature between 10~45°C (50~113°F). Other it may cause th

14 Outside UnitStandard table for water purity controlThe water may contain many foreign substances and hence may influence the performance and lifeti

Installation Manual 15ENGLISHLifting methodLifting method• When carrying the unit suspended, pass the ropes under the unit and use the two suspension

16 Outside UnitInstallationLocation of anchor boltInstallationWARNINGThe location of anchor bolt354 (13-15/16)392 (15-7/16)[Unit : mm(inch)]• Check th

Installation Manual 17ENGLISHInstallationPreparation of Piping1) Cut the pipes and the cable.n Use the accessory piping kit or the pipes purchasedloc

18 Outside UnitInstallation1. Remove the cap and turn the valve counter clockwise with the hexagon wrench.2. Turn it until the shaft stops.Do not appl

Installation Manual 19ENGLISHInstallation1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over

2 Outside UnitARWN Series Outside unit Installation ManualTABLE OF CONTENTSSafety Precautions ...

20 Outside UnitRefrigerant piping installationRefrigerant piping installation① Pipe joint (auxiliary parts): Securely perform brazing with anitrogen b

Installation Manual 21ENGLISHRefrigerant piping installation1) Water pipe system diagram• The water pressure resistance of the water pipe system of t

22 Outside Unitmm inch (kN) (kgf) (kN) (kgf) (N.m) (kgf.m)(N.m) (kgf.m) 12.7 1/2 3.5 350 2.5 250 20 2 35 3.5 19.05 3/4 12 1,200 2.5 250 2

Installation Manual 23ENGLISHDevice protection unitDevice protection unitStrainer on water pipeTo protect the water cooling type product, you must in

24 Outside UnitInstallation of flow switch• The flow switch must be installed at the horizontal pipe of the heat water supply outlet of the product an

Installation Manual 25ENGLISHRefrigerant piping system • * : Assume equivalent pipe length of Y branch to be 0.5m (1.6ft), that of header to be 1m (3

26 Outside UnitRefrigerant piping system Header branch methodn Header MethodExample : 6 Indoor Units connectedⒶ : Outside UnitⒷ : 1st branchⒸ : Indoor

Installation Manual 27ENGLISHRefrigerant piping system Y/Header branch methodn Combination of Y branch/header methodExample : 5 Indoor Units connecte

28 Outside UnitRefrigerant piping system The calculation of the additional charge should take into account the length of pipe.Product Charge (kg(lbs))

Installation Manual 29ENGLISHRefrigerant piping system Regulation for refrigerant leakage: the amount of refrigerant leakage should satisfy the foll

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

Header1st1st1stMain pipeDistribution2nd2nd3rd3rd main pipe distribution1st3rd3rd main pipe distribution2nd30 Outside UnitRefrigerant piping system Dis

Refrigerant piping system Installation Manual 31ENGLISHTo Outside UnitSealed PipingAABAB1. Use the following materials for refrigerant piping.• Mater

32 Outside UnitRefrigerant piping system 12. When connecting the refrigerant piping, make sure the service valves of the Outside Unit is completelyclo

Refrigerant piping system Installation Manual 33ENGLISHRefrigerant piping on three principles- Pipe must be able to obtain the specified thickness an

34 Outside UnitRefrigerant piping system How to workRegulator Nitrogen gas Pressure 0.02MPa less Auxiliary valve Taping (Should not contain air) Weld

Refrigerant piping system Installation Manual 35ENGLISHOutside unitGas pipeMain pipeLiquid pipeBranchingpipeBranchingpipeIndoor unitSelection of pipe

36 Outside UnitRefrigerant piping system Branch pipe FittingY branchA B To Outside UnitTo Branch Piping or Indoor UnitABFacingupwardsFacingdownwardsWi

Refrigerant piping system Installation Manual 37ENGLISH• When the number of indoor units to be connected to the branch pipes is less than the number

38 Outside UnitRefrigerant piping system Thermal insulation of refrigerant pipingHeatinsulationmaterialOutercoveringAdhesive + Heat - resistant polyet

Y branch pipe and header branch pipe type Installation Manual 39ENGLISHModels Gas pipe Liquid pipe[unit:mm (inch)ARBLN03321ARBLN07121ARBLN14521ARBLN0

4 Outside UnitSafety PrecautionsVentilate before operating air con-ditioner when gas leaked out.• It may cause explosion, fire, andburn.Securely insta

40 Outside UnitY branch pipe and header branch pipe type Header[unit:mm (inch)]Models Gas pipe Liquid pipe4 branchARBL0547 branchARBL0574 branchARBL10

Leakage test and vacuum Installation Manual 41ENGLISHIndoor unitLiquide pipeGas pipeLiquid sideGas sideCloseCloseNitrogen gascylinder Leak test shoul

42 Outside UnitLeakage test and vacuum VacuumVacuum drying should be made from the service port provided on the outside unit’s service valve to the va

Electrical WiringInstallation Manual 43ENGLISHElectrical Wiring1. Follow ordinance of your governmental organization for technical standard related t

44 Outside UnitElectrical Wiring- Unscrew all the screw, pull out the panel.- Connect the transmission wire between outside unit and indoor unit,the c

Electrical WiringInstallation Manual 45ENGLISHTransmission and Power Lines1) Transmission cable• Types : shielding wire• Diameter : over 1.25mm2• Max

46 Outside UnitElectrical Wiring1. Use a separate power supply for the Outside Unit and Indoor Unit.2. Bear in mind ambient conditions (ambient temper

Electrical WiringInstallation Manual 47ENGLISH34 34 34The GND terminal is a '–' terminal for the central controller, not Ground LineBetwee

48 Outside UnitElectrical Wiringu Example Connection of Communication Cable[BUS type]• Connection of communication cable must be installed like below

Electrical WiringInstallation Manual 49ENGLISHConnection method of the connecting cable (Example)1. Make a hole appropriate for the passage of connec

Installation Manual 5ENGLISHSafety Precautionsn OperationDo not damage or usean unspecified powercord.• There is risk of fire,electric shock, explo-s

50 Outside UnitElectrical WiringDip switch setting1. Location of setting switch 2. Dip switch setting1) Set the dip switch and turn on the power of th

Electrical WiringInstallation Manual 51ENGLISH Function SW01B Setting SW02B Setting

52 Outside UnitElectrical Wiring• The address of indoor units would be set by auto addressing1) Wait for 3minutes after applying power supply.2) Press

Electrical WiringInstallation Manual 53ENGLISHGroup Number settingGroup Number setting for Indoor Units① Confirm the power of whole system(Indoor Uni

54 Outside UnitElectrical WiringCool and Heat Selector Installation and Connection • Connect wires as below figure at the hole of backside of Outside

Test RunInstallation Manual 55ENGLISH• Before executing the test run for the product, you must first test the heat source water system. The test run

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

Test RunInstallation Manual 57ENGLISHMaintenance of plate type heat exchangerh When CH24 or CH180 error occurs during the test operation of the heate

58 Outside UnitTest RunDaily check/managementMaintenance / Repair checklist1. Water quality controlThe plate type heat exchanger is not structured to

Test RunInstallation Manual 59ENGLISHSelf-Diagnosis FunctionError Indicator• This function indicates types of failure in self-diagnosis and occurrenc

Safety Precautions6 Outside Unitn OperationUse power cables of sufficient cur-rent carrying capacity and rating. • Cables that are too small may leak,

60 Outside UnitTest RunDisplay Error item Root cause of errorOutside unit2 8 1Outside unit inverter DC link over-voltageerrorCompressor turned off due

Test RunInstallation Manual 61ENGLISHDisplay Error item Root cause of error5 3 1Communication error with master outsideunit contrller and indoor unit

62 Outside UnitCooling tower applied method Cooling tower applied method [Open type cooling tower + Second heat exchanger] Heat exchanger is installed

Caution For Refrigerant LeakInstallation Manual 63ENGLISHThe installer and system specialist shall secure safety against leakage according to local r

64 Outside UnitCaution For Refrigerant Leak(3) With partition and without opening which serve as passage of air to adjoining roomn Calculate refrigera

Water Solenoid Valve ControlInstallation Manual 65ENGLISHCN_26CN_24CN_22INTERNETMAIN PCBC_Box DDC BMSFlow SwitchSolenoid ValveWater OutWater InCN_26C

66 Outside UnitVariable Water Flow Control KIT(Accessory)Variable Water Flow Control KIT(Accessory)1. Shut off the main power line of outdoor unit.2.

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Safety PrecautionsInstallation Manual 7ENGLISHTurn on the power at least 6hoursbefore starting operation.• Starting operation immediately afterturnin

8 Outside UnitSafety Precautions• Refer to local code for all wiring size.• Installation or repairs made by unqualified persons can result in hazards

Installation ProcessInstallation Manual 9ENGLISHInstallation ProcessThe foundation must be level evenOutside unit foundation workAvoid short circuits