LG JRUN120LM3.APUNEJ Manuale Utente

INSTALLATION MANUALAIR CONDITIONER• Please read this installation manual completely before installing the product.• Installation work must be performe

Outdoor Units Information10 Outdoor Unit Unit System(HP) Model Prod

ENGLISHInstallation Manual 101Test RunMaster Outdoor Unit Inverter Compressor CT Sensoropen or shortSlave1 Outdoor Unit Inverter Compressor CT Sensor

102 Outdoor UnitTest RunMaster Outdoor Unit Heat Exchanger TemperatureSensor(Front side) open or shortSlave1 Outdoor Unit Heat Exchanger TemperatureSe

ENGLISHInstallation Manual 103Test RunMaster Outdoor Unit IPM Temperature Sensorshort/openSlave1 Outdoor Unit IPM Temperature Sensorshort/openSlave2

104 Outdoor UnitTest RunConstant1 CT Sensor open or short of Master OutdoorUnit Constant1 CT Sensor open or short of Slave1 OutdoorUnitConstant1 CT Se

ENGLISHInstallation Manual 105Test RunMaster Outdoor Unit Fan Current is over 5ASlave1 Outdoor Unit Fan is over 5ASlave2 Outdoor Unit Fan is over 5AS

106 Outdoor UnitTest RunFailing to receive Slave Unit signal at main PCB ofMaster Outdoor Unit Failing to receive master and other Slave Unit signalat

ENGLISHInstallation Manual 107Test RunMaster Outdoor Unit Subcooling Outlet TemperatureSensor open or shortSlave1 Outdoor Unit Subcooling Outlet Temp

108 Outdoor UnitTest RunDisplay Title Cause of Error1 8 21Master outdoor unit Main Board Main-Sub Micom communication errorMaster Outdoor Unit Main B

ENGLISHInstallation Manual 109New FunctionNew Function nMulti V III provides as following new functions.hIf you want to get more details, refer to ea

110 Outdoor UnitNew Function1 Cool/ Heat selector1.1 Cool/ Heat Selector has provided two different functions.- Cooling/ heating/ Fan lock mode- Cooli

Outdoor Units InformationENGLISHInstallation Manual 11n Cooling Only Unit System(HP) Model

ENGLISHInstallation Manual 111New Function1.2 ODU Dry contactODU Dry contact has provided Three different functions.- Demand control- Night Low Nois

112 Outdoor UnitNew Function2. ODU Dry contact with Central controller : With Single Outdoor unit: With Series Outdoor units_ UCNOTTLTu i-VMlt WIRE A

ENGLISHInstallation Manual 113New Function2 New Dry contact2.1 Demand ControlODU Dry contact has provided Two different methods for Demand control- U

114 Outdoor UnitNew Function2. Using Analog signal with DDC ModuleSW_VOLT2 SW_VOLT1Direct Digital Controller GND DC 0~10Vinput 100%90%80%70%60%50%45%

ENGLISHInstallation Manual 115New FunctionSW_STEPInput_1 Input_2 Input_3Comp capacity Of outdoor unit(%)00 0 0 No control1 0 0 700 1 0 400 0 1 COMP O

116 Outdoor UnitNew Function2.2 Night Low Noise controlODU Dry contact has provided Two methods for Night Low Noise Control- Automatically operating:

ENGLISHInstallation Manual 117New Function3 Independent power moduleThe main PCB controls the EEV kit when the power is turn on.The independent sub P

118 Outdoor UnitCaution For Refrigerant LeakThe installer and system specialist shall secure safety against leakage according to local regulations or

ENGLISHInstallation Manual 119Caution For Refrigerant Leak(3) With partition and without opening which serve as passage of air to adjoining roomnCalc

Installation guide at the seasideInstallation guide at the seaside1. Air conditioners should not be installed in areas where corrosive gases, such as

Outdoor Units Information12 Outdoor Unit Unit System(HP) Model Prod

Outdoor Units InformationENGLISHInstallation Manual 13 Unit System(HP) Model

14 Outdoor UnitEnvironment-friendly Alternative Refrigerant R410A Select the Best LocationSelect space for installing outdoor unit, which will meet th

ENGLISHInstallation Manual 15Installation SpaceInstallation SpaceIndividual InstallationnDuring the installation of the unit, consider service, inlet

16 Outdoor UnitInstallation SpaceSeasonal wind and cautions in winter• Sufficient measures are required in a snow area or severe cold area in winter s

ENGLISHInstallation Manual 17Lifting Method• When carrying the suspended, unit pass the ropes under the unit and use the two suspension points each a

18 Outdoor UnitInstallationInstallationThe location of the Anchor bolts• Install at places where it can endure the weight and vibration/noise of the o

ENGLISHInstallation Manual 19InstallationFoundation for Installation• Fix the unit tightly with bolts as shown below so that unit will not fall down

JRUN/JRUV Series Outdoor unit Installation ManualTABLE OF CONTENTSSafety Precautions ...

20 Outdoor UnitInstallationPreparation of Piping1) Cut the pipes and the cable.nUse the accessory piping kit or the pipes purchasedlocally.nMeasure th

ENGLISHInstallation Manual 21Installation1. Remove the cap and turn the valve counter clockwise with the hexagon wrench.2. Turn it until the shaft st

22 Outdoor UnitInstallation1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over120°C).2. Precau

ENGLISHInstallation Manual 23Precautions on Pipe connection / Valve operationRefrigerant piping installationRefrigerant piping installation1. For Hig

24 Outdoor UnitRefrigerant piping installation2 outdoor unitsConnection of Outdoor units2 Unit3 Unit4 UnitARCNN21ARCNN31ARCNN41CCCCCA130408416111I.D.2

ENGLISHInstallation Manual 25Refrigerant piping installationTo Outdoor UnitSealed PipingAABAB1. Use the following materials for refrigerant piping.•

26 Outdoor UnitRefrigerant piping installationWARNINGWhen installing and moving the air conditioner to another site, be sure to make recharge refriger

ENGLISHInstallation Manual 27Left Side Pipe Draw OutFront Side Pipe Draw OutRight Side Pipe Draw Out• Pipe connections can be done on the front side

28 Outdoor UnitnRemove leakage prevention cap• Remove the leakage prevention cap attached to theoutdoor unit service valve before pipe work.• Proceed

ENGLISHInstallation Manual 29Common pipe Liquid pipe Gas pipeRemove only liquid/gas pipe Knock Out Remove Base PanCommon pipeRemove Base PanLiquid pi

Safety PrecautionsSafety PrecautionsTo prevent injury to the user or other people and property damage, the following instructionsmust be followed.n I

30 Outdoor UnitPipe connections between indoor and outdoor unituY branch methodRefrigerant piping system1 Outdoor UnitsExample : 5 Indoor Units connec

ENGLISHInstallation Manual 31Pipe connections between indoor and outdoor unit10m orlessL150m (200 m : Conditional application)ODU CapacityMaster ≥ Sl

32 Outdoor UnitPipe connections between indoor and outdoor unitòRefrigerant pipe diameter from branch to branch (B,C,D)òTotal pipe length = A+B+C+D+a+

ENGLISHInstallation Manual 33Pipe connections between indoor and outdoor unit1 Outdoor UnitExample : 6 Indoor Units connected?: Outdoor Unit? : 1st b

34 Outdoor UnitPipe connections between indoor and outdoor unit Longest pipe length * Equivalent pipe length

ENGLISHInstallation Manual 35Pipe connections between indoor and outdoor unituCombination of Y branch/header method1 Outdoor UnitsExample : 5 Indoor

36 Outdoor UnitPipe connections between indoor and outdoor unitBranch pipe can not be used after header3 Outdoor UnitsExample : 5 Indoor Units connect

ENGLISHInstallation Manual 37Pipe connections between indoor and outdoor unitòRefrigerant pipe diameter from branch to branch (B,C)òTotal pipe length

38 Outdoor UnitPipe connections between indoor and outdoor unituOutdoor unit ConnectionWARNING• In case of pipe diameter B connected after first branc

ENGLISHInstallation Manual 39Pipe connections between indoor and outdoor unitnPipe connection between outdoor units(General Case)nPipes between outdo

Safety PrecautionsVentilate before operating air conditionerwhen gas leaked out.• It may cause explosion, fire, and burn.Securely install the cover of

40 Outdoor UnitPipe connections between indoor and outdoor unit• The pipes between the outdoor units must maintain horizontal levelness or give an inc

ENGLISHInstallation Manual 41• When connecting the pipes between the outdoor units, the accumulation of oil in the slave outdoor unit should be avoid

42 Outdoor UnitPipe connections between indoor and outdoor unituThe amount of RefrigerantThe calculation of the additional charge should take into acc

ENGLISHInstallation Manual 43Pipe connections between indoor and outdoor unitWARNING▶Regulation for refrigerant leakage: the amount of refrigerant l

44 Outdoor UnitPipe connections between indoor and outdoor unit1. Line Distribution2. Vertical DistributionEnsure that the branch pipes are attached v

ENGLISHInstallation Manual 45Pipe connections between indoor and outdoor unitBranch pipe FittingY branchA B To Outdoor UnitTo Branch Piping or Indoor

46 Outdoor UnitPipe connections between indoor and outdoor unit• When the number of indoor units to be connected to the branch pipes is less than the

ENGLISHInstallation Manual 47Pipe connections between indoor and outdoor unitu Y branch pipeModels Gas pipe Liquid pipe[unit:mm]ARBLN03321ARBLN07121A

48 Outdoor UnitPipe connections between indoor and outdoor unitu Header[unit:mm]4 branchARBL0547 branchARBL0574 branchARBL1047 branchARBL10710 branch

ENGLISHInstallation Manual 49Pipe connections between indoor and outdoor unitLeak Test and Vacuum dryingNitrogen gasIndoor unitcylinder Nitrogen gasS

Safety PrecautionsKeep level even when installing the product.• To avoid vibration or water leakage.Do not install the unit where combustiblegas may l

50 Outdoor UnitPipe connections between indoor and outdoor unit(2) VacuumVacuum drying should be made from the service port provided on the outdoor un

Installation Manual 51Pipe connections between indoor and outdoor unitThis function is used for creating vacuum in the system after compressor replac

52 Outdoor UnitPipe connections between indoor and outdoor unitThermal insulation of refrigerant pipingHeatinsulationmaterialOutercoveringAdhesive + H

ENGLISHInstallation Manual 53Electrical WiringElectrical WiringCautionRemotecontrolRemotecontrolRemotecontrolRemotecontrolIndoorUnitOutdoor UnitOutdo

54 Outdoor UnitElectrical WiringMaster Slave1 Slave2Master Slave1 Slave2Master Slave1 Slave2Master Slave1 Slave2RemotecontrollerRemotecontrollerIndoor

Installation Manual 55Electrical Wiring- Remove all of the screws at front panel and remove the panel by pulling it forward.- Connect transmission li

56 Outdoor UnitElectrical Wiring1) Transmission cable• Types : shielding wire2• Cross section : 1.0~1.5mm• Maximum allowable temperature: 60°C• Maxim

ENGLISHInstallation Manual 57Wiring of main power supply and equipment capacity Electrical Wiring1. Use a separate power supply for the Outdoor Unit

58 Outdoor UnitElectrical WiringField Wiring1. 50HzuExample Connection of Communication Cablen1 Outdoor Unit-3Ø, 380-415VWARNING• Indoor Unit ground L

ENGLISHInstallation Manual 59Electrical Wiring When the power source is connected In series between the units. When the power source is supplied to

6 Outdoor Unit6 Outdoor UnitSafety PrecautionsSafely dispose of the packing materials.• Packing materials, such as nails and other metalor wooden part

60 Outdoor UnitElectrical WiringWARNING• Indoor Unit ground Lines are required for preventing electrical shock accident during current leakage, Commun

ENGLISHInstallation Manual 61Electrical Wiring When the power source is connected In series between the units. When the power source is supplied to

62 Outdoor UnitElectrical WiringBetween Indoor and Master Outdoor unitBSODU IDU INTERNET DRY1 DRY2 GND 12VA BAB AMasterOutdoor UnitBSODU IDU INTERNET

ENGLISHInstallation Manual 63Electrical Wiringn4 Outdoor Units - 3Ø, 380-415VnWhen the power source is connected In series between the units. nWhen t

64 Outdoor UnitBetween Indoor and Master Outdoor unitBSODU IDU INTERNET DRY1 DRY2 GND 12VA BAB AMasterOutdoor UnitBSODU IDU INTERNET DRY1 DRY2 GND 12V

ENGLISHInstallation Manual 652. 60HzuExample Connection of Communication Cablen1 Outdoor Unit - 3Ø, 380VR S T N Switch Fuse L N Communication Line

66 Outdoor UnitR S T N Switch Fuse L N Communication Line (2 Wires Cable) Power Line (4 Wires Cable) Communication Line (3 Wires Cable) Power Line

ENGLISHInstallation Manual 67The GND terminal at the main PCB is a ‘-’ terminal for dry contact.It is not the point to make ground connection.• Make

68 Outdoor UnitR S T N Switch Fuse L N Communication Line (2 Wires Cable) Power Line (4 Wires Cable) Communication Line (3 Wires Cable) Power Line

ENGLISHInstallation Manual 69Between Indoor and Master Outdoor unitBSODU IDU INTERNET DRY1 DRY2 GND 12VA BAB AMasterOutdoor UnitBSODU IDU INTERNET DR

Installation ProcessInstallation ProcessThe foundation must be level evenOutdoor unit foundation workAvoid short circuits and ensure sufficient space

70 Outdoor Unitn4 Outdoor Units - 3Ø, 380VnWhen the power source is connected In series between the units. nWhen the power source is supplied to Each

ENGLISHInstallation Manual 71Between Indoor and Master Outdoor unitBSODU IDU INTERNET DRY1 DRY2 GND 12VA BAB AMasterOutdoor UnitBSODU IDU INTERNET DR

72 Outdoor UnituExample Connection of Communication Cable[BUS type] [STAR type]• Connection o

74 Outdoor UnituUX2 Chassis Wire Connection Main Power Main Power Terminal BlockTerminal BlockMain Power Terminal BlockGround CablePower/Ground linesO

ENGLISHInstallation Manual 75Electrical WiringuUX3 Chassis Wire Connection ??????????Main Power Main Power Terminal BlockTerminal BlockMain Power Ter

76 Outdoor UnitElectrical WiringLocation of setting dip switch7 - SegmentSW02V(Auto Addressing)SW01B SW02B

Installation Manual 77Electrical WiringnChecking according to dip switch setting 1. You can check the setting values of the Master outdoor unit from

78 Outdoor UnitElectrical WiringnSetting the DIP switch• Heat pump• If you set the Dip switch when power is on, the changed setting will not be applie

Electrical WiringENGLISHInstallation Manual 79• Cooling only• If you set the Dip switch when power is on, the changed setting will not be applied imm

80 Outdoor UnitElectrical WiringAutomatic Addressing• The address of indoor units would be set by auto addressing1) Wait for 3 minutes after supplying

Outdoor units InformationOutdoor units InformationnHeat pumpnCombination Ration(50~200%)Notes: * We can guarantee the operation only within 130% Combi

ENGLISHInstallation Manual 81Electrical WiringuThe Procedure of Automatic Addressing• Auto addressing setting endNumbers of indoor unit connection se

82 Outdoor Unit82 Outdoor UnitElectrical WiringGroup Number settingGroup Number setting for Indoor Units①Confirm the power of whole system(Indoor Unit

ENGLISHInstallation Manual 83Electrical WiringCool and Heater Selector Installation and Connection • Connect wires as below figure at the hole of bac

84 Outdoor UnitFunctions of each Test run steps(Use above LG MV 6.1 version if you want to issue integrated test run report)Step 0. Verify the command

ENGLISHInstallation Manual 85Test RunHow to Cope with Test Run AbnormalityThe phenomena from main component failureWhen system fault occurs, the erro

86 Outdoor UnitTest Run StartNONONOYESYES3 minutespast after powerresetDIP switch setPress black buttonfor 2 secondsSensor NormalDisplay ErrorPress bl

ENGLISHInstallation Manual 87Test RunSensor Check Error Code DisplayIn case error occurs during sensor checking process, error display is as shown be

88 Outdoor UnitTest RunThis function charges appropriate amount of refrigerant automatically through cycle operation.It can be used when ref

ENGLISHInstallation Manual 89Test RunProcedure1. Arrange manifold,capillary assembly, refrigerant vessel and scale2. Connect manifold to the gas pipe

90 Outdoor UnitTest RunRefrigerant Checking Function (Setting 2)This function judges refrigerant leakage and overchargingIt can be used with refrigera

Outdoor Units InformationENGLISHInstallation Manual 9 Unit System(HP) Model

ENGLISHInstallation Manual 91Test Run[ Error contents about auto refrigerant charging function ]1. : Temperature Range Error (In case that IDU or OD

92 Outdoor UnitIntegrated Test Running Function_Cooling Mode (Setting 3)This function is checking process for normal operation of parts and system On

ENGLISHInstallation Manual 93Test RunIntegrated Test Running Function_Heating Mode (Setting 4)StartYesNoNote 1Error DisplayEndCompletedPress the blac

94 Outdoor Unit[ Error contents about auto refrigerant charging function ]1. : Temperature Range Error (In case that IDU or ODU is out of range)2. :

ENGLISHInstallation Manual 95Test RunNight Low Noise FunctionIn cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan no

96 Outdoor UnitThis function is used for creating vacuum in the system after compressor replacement, ODU partsreplacement or IDU addition/replacement.

ENGLISHInstallation Manual 97Test RunThis function secures the air flow rate of ODU, in case static pressure has been applied like using duct atfan d

98 Outdoor UnitSelf-Diagnosis FunctionError Indicator• This function indicates types of failure in self-diagnosis and occurrence of failure for air co

ENGLISHInstallation Manual 99Test RunDC charging is not performed at Master Outdoor Unitafter starting relay turn on.DC charging is not performed at

100 Outdoor UnitSystem is turned off by excessive increase of high pressure ofMaster Outdoor Unit System is turned off by excessive increase of high p