LG ARUN144DTE4.AWGBLUS User Manual

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

10OUTDOOR UNITS INFORMATIONENGLISHChassisUX2+UX3 UX3+UX3HP22 24Ton18 20Model NameCombination UnitARUN216BTE4 ARUN240BTE4Independent UnitARUN144BTE4 AR

OUTDOOR UNITS INFORMATION11ENGLISHChassisUX2+UX3+UX3 UX3+UX3+UX3HP32 34Ton26 28Model NameCombination UnitARUN312BTE4 ARUN336BTE4Independent UnitARUN14

12OUTDOOR UNITS INFORMATIONENGLISHModel Name : ARUN***DTE4Power Supply Outdoor Unit (3Ø, 460V, 60Hz)ChassisUX3 UX3HP12 14Ton10 12Model NameCombination

OUTDOOR UNITS INFORMATION13ENGLISHChassisUX2+UX3 UX3+UX3HP22 24Ton18 20Model NameCombination UnitARUN216DTE4 ARUN240DTE4Independent UnitARUN144DTE4 AR

14OUTDOOR UNITS INFORMATIONENGLISHChassisUX2+UX3+UX3 UX3+UX3+UX3HP32 34Ton26 28Model NameCombination UnitARUN312DTE4 ARUN336DTE4Independent UnitARUN14

ENVIRONMENT-FRIENDLY ALTERNATIVE REFRIGERANT R410A15ENGLISHCAUTION• The wall thickness of the piping should comply with the relevant local and nationa

16SELECT THE BEST LOCATIONENGLISHSelect space for installing outdoor unit, which will meet the following conditions:• No direct thermal radiation from

INSTALLATION SPACE17ENGLISHIndividual InstallationDuring the installation of the unit, consider service, inlet, and outlet and acquire the minimumspac

18INSTALLATION SPACEENGLISHSeasonal wind and cautions in winter• Sufficient measures are required in a snow area or severe cold area in winter so that

LIFTING METHOD19ENGLISHCAUTIONBe very careful while carrying the product.• Do not have only one person carry product if it is more than 20 kg(44lbs).•

• Do not cool excessively indoors. This may be harmful for your health and may consume moreelectricity.• Block sunlight with blinds or curtains whil

20INSTALLATIONENGLISHThe location of the Anchor bolts• Install at places where it can endure the weight and vibration/noise of the outdoor unit.• The

INSTALLATION21ENGLISHFoundation for Installation• Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquakeor g

22INSTALLATIONENGLISHMain cause of gas leakage is defect in flaring work. Carry out correct flaring work in the followingprocedure.Cut the pipes and t

INSTALLATION23ENGLISHFlare shape and flare nut tightening torqueOpening shutoff valvePrecautions when connecting pipes- See the following table for fla

24INSTALLATIONENGLISH1Use the heat insulation material for the refrigerant piping which has an excellentheat-resistance (over 248°F).2Precautions in h

INSTALLATION25ENGLISHPlumbing materials and storage methodsPipe must be able to obtain the specified thickness and should be used with low impurities.

26INSTALLATIONENGLISHNitrogen substitution methodWelding, as when heating without nitrogen substitution a large amount of the oxide film isformed on

REFRIGERANT PIPING INSTALLATION27ENGLISHPrecautions on Pipe connection / Valve operationPipe connection is done by connecting from the end of the pipe

28PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISH- Pipe connections can be done on the front side or on the side according to the installation

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT29ENGLISHRemove leakage prevention cap• Remove the leakage prevention cap attached to the outdoor unit

3IMPORTANT SAFETY INSTRUCTIONSENGLISHIMPORTANT SAFETY INSTRUCTIONSREAD ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.Always comply with the following pr

30PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHMethod of drawing out pipes on the bottom side- Drawing out common pipe through side panelLiq

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT31ENGLISHY branch method1 Outdoor UnitsExample : 5 Indoor Units connectedⒶ : Outdoor UnitⒷ : 1st branc

32PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISH3 Outdoor UnitsExample : 5 Indoor Units connectedⒶ : Outdoor UnitⒷ : 1st branch (Y branch) Ⓒ

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT33ENGLISHRefrigerant pipe diameter from branch to branch (B,C,D)• * : Assume equivalent piping length

34PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHRefrigerant pipe diameter from outdoor unit to first branch. (A)* If the step up size is not

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT35ENGLISH3 Outdoor UnitsExample : 6 Indoor Units connectedⒶ : Outdoor UnitⒷ : Header branchⒸ : Indoor

36PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISH• * : Assume equivalent piping length of Y branch to be 0.5m(1.64ft), that of header to be1m(

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT37ENGLISH3 Outdoor UnitsExample : 5 Indoor Units connectedⒶ : Outdoor UnitⒷ : 1st branch(Y branch)Ⓒ :

38PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISH• * : Assume equivalent piping length of Y branch to be 0.5m(1.64ft), that of header to be1

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT39ENGLISHOutdoor unit ConnectionIndoor Unit ConnectionIndoor Unit connecting pipe from branch (a,b,c,d

• Use a vacuum pump or Inert(nitrogen) gas when doing leakage test or air purge. Do not compressair or Oxygen and do not use Flammable gases. Otherwis

40PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHPipe Connection Method/Precautions for Series connections between Outdoor units- Separate Y b

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT41ENGLISH- The pipes between the outdoor units must maintain horizontal levelness or give an inclinati

42PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISH- When connecting the pipes between the outdoor units, the accumulation of oil in the slave o

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT43ENGLISHThe amount of RefrigerantThe calculation of the additional charge should take into account th

44PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHWARNING• Regulation for refrigerant leakage: the amount of refrigerant leakage should satisf

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT45ENGLISH- Ensure that the branch pipes are attached vertically.HeaderSlaveMasterSlaveMasterSlaveMaste

46PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHY branchHeaderA B FacingupwardsFacingdownwardsWithin 3˚ Within 3˚Viewed from point Ain direct

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT47ENGLISH• When the number of indoor units to be connected to the branch pipes is less than the number

48PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHY branch pipeModels Gas pipe Liquid pipeARBLN01621I.D19.05(3/4)O.D15.88(5/8)I.D12.7(1/2)I.D15

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT49ENGLISHHeaderModels Gas pipe Liquid pipe4 branchARBL054ID12.7(1/2)ID15.88(5/8)360(14-5/32)120(4-23/3

IMPORTANT SAFETY INSTRUCTIONS5ENGLISHCAUTIONInstallation• Always check for gas (refrigerant) leakage after installation or repair of product.- Low ref

50PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHLeak testLeak test should be made by pressurizing nitrogen gas to 3.8 MPa(551.1psi). If the p

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT51ENGLISHVacuumVacuum drying should be made from the service port provided on the outdoor unit’s servi

52PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHThis function is used for creating vacuum in the system after compressor replacement, ODUpart

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT53ENGLISHBe sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe se

54ELECTRICAL WIRINGENGLISHCaution- Follow ordinance of your governmental organization for technical standard related to electricalequipment, wiring re

ELECTRICAL WIRING55ENGLISH2-Core Shield Cable Multi-Core CableMaster Slave1 Slave2RemotecontrollerRemotecontrollerIndoorUnitIndoorUnitRemotecontroller

56ELECTRICAL WIRINGENGLISHControl box and connecting position of wiring- Remove all of the screws at front panel and remove the panel by pulling it fo

ELECTRICAL WIRING57ENGLISHCommunication and Power CablesCommunication cable- Types : shielding cable- Cross section : 1.0~1.5mm2(1.55x10-3~2.32x10-3in

58ELECTRICAL WIRINGENGLISHWiring of main power supply and equipment capacity- Use a separate power supply for the Outdoor Unit and Indoor Unit.- Bear

ELECTRICAL WIRING59ENGLISHField Wiring(3Ø, 208/230V)60HzExample Connection of Communication Cable• 1 Outdoor Unit - 3Ø, 208/230VL N Communication Line

6IMPORTANT SAFETY INSTRUCTIONSENGLISH• Safely dispose of the packing materials.- Packing materials, such as nails and other metal or wooden parts, may

60ELECTRICAL WIRINGENGLISHNOTE!- Field Wiring diagram is to be used as a guidelineonly. Wiring should comply with applica-ble local and national codes

ELECTRICAL WIRING61ENGLISHNOTE!- Field Wiring diagram is to be used as a guidelineonly. Wiring should comply with applica-ble local and national codes

62ELECTRICAL WIRINGENGLISHWARNING• Indoor Unit ground Lines are required for preventing electrical shock accident during cur-rent leakage, Communicati

ELECTRICAL WIRING63ENGLISHNOTE!- Field Wiring diagram is to be used as a guidelineonly. Wiring should comply with applica-ble local and national codes

64ELECTRICAL WIRINGENGLISHWARNING• Indoor Unit ground Lines are required for preventing electrical shock accident during cur-rent leakage, Communicati

ELECTRICAL WIRING65ENGLISHField Wiring(3Ø, 460V)60HzExample Connection of Communication Cable• 1 Outdoor Unit - 3Ø, 460VL N Communication Line (2 Wire

66ELECTRICAL WIRINGENGLISHNOTE!- Field Wiring diagram is to be used as a guideline only. Wiring should comply with applica-ble local and national code

ELECTRICAL WIRING67ENGLISHNOTE!- Field Wiring diagram is to be used as a guideline only. Wiring should comply with applica-ble local and national code

68ELECTRICAL WIRINGENGLISHWARNING• Indoor Unit ground Lines are required for preventing electrical shock accident during cur-rent leakage, Communicati

ELECTRICAL WIRING69ENGLISHNOTE!- Field Wiring diagram is to be used as a guideline only. Wiring should comply with applica-ble local and national code

72 TIPS FOR SAVINGENERGY3 IMPORTANT SAFETYINSTRUCTIONS8 INSTALLATIONPROCESS9 OUTDOOR UNITSINFORMATION15 ALTERNATIVE REFRIG-ERANT R410A16 SELECT THE BE

70ELECTRICAL WIRINGENGLISHWARNING• Indoor Unit ground Lines are required for preventing electrical shock accident during cur-rent leakage, Communicati

ELECTRICAL WIRING71ENGLISH• Example Connection of Transmission Cable[BUS type]- Connection of transmission cable must beinstalled like below figure be

72ELECTRICAL WIRINGENGLISHCAUTIONIt should be wiring power cables or communication cables to avoid interference with the oil levelsensor. Otherwise, T

ELECTRICAL WIRING73ENGLISHCAUTIONIt should be wiring power cables or communication cables to avoid interference with the oil levelsensor. Otherwise, T

74ELECTRICAL WIRINGENGLISHChecking the setting of outdoor unitsChecking according to dip switch setting - You can check the setting values of the Mast

ELECTRICAL WIRING75ENGLISHAutomatic AddressingThe address of indoor units would be set by Automatic Addressing- Wait for 3 minutes after supplying pow

76ELECTRICAL WIRINGENGLISHThe Procedure of Automatic Addressing• Automatic addressing setting endNumbers of indoor unit connection set whose addressin

ELECTRICAL WIRING77ENGLISHMODE FUNCTION OPTION VALUE ACTIONremarkscon-tentDisplay1contentDisplay2content Display3con-tentDisplay4implement Display5In-

78ELECTRICAL WIRINGENGLISHGroup Number settingGroup Number setting for Indoor Units- Confirm the power of whole system(Indoor Unit, Outdoor Unit) is O

TEST RUN79ENGLISHCool & Heat selectormode setting methodMaster unit PCB DIP switch on : No.5Select the mode using ‘▶’, ‘◀’ Button :“Func” Push the

8INSTALLATION PROCESSENGLISHThe foundation must be level evenOutdoor unit foundation workAvoid short circuits and ensure sufficient space is allowed fo

80TEST RUNENGLISHStatic pressure compensation modeThis function secures the air flow rate of ODU, in case static pressure has been applied like usingd

TEST RUN81ENGLISHNight Low Noise FunctionIn cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan noise ofODU at night wh

82TEST RUNENGLISHOverall defrost modemode setting methodMaster unit PCB DIP switch on : No.5Select the mode using ‘▶’, ‘◀’ Button :“Func” Push the ‘●’

TEST RUN83ENGLISHSetting the ODU addressmode setting methodMaster unit PCB DIP switch on : No.5Select the mode using ‘▶’, ‘◀’ Button :“Func” Push the

84TEST RUNENGLISHSnow removal & rapid defrostmode setting methodMaster unit PCB DIP switch on : No.5Select the mode using ‘▶’, ‘◀’ Button :“Func”

TEST RUN85ENGLISHTarget pressure adjustingmode setting methodMaster unit PCB DIP switch on : No.5Select the mode using ‘▶’, ‘◀’ Button :“Func” Push th

86TEST RUNENGLISHSelf-Diagnosis FunctionError Indicator- This function indicates types of failure in self-diagnosis and occurrence of failure for air

TEST RUN87ENGLISHDisplay Title Cause of ErrorOutdoor unit related error3 4 *High Pressure of Master Outdoor Unit High Pressure of Master Outdoor Unit3

88TEST RUNENGLISHDisplay Title Cause of ErrorOutdoor unit related error1 0 4*Communication Error BetweenMaster Outdoor Unit and OtherOutdoor UnitFaili

CAUTION FOR REFRIGERANT LEAK89ENGLISHChecking procedure of limiting concentrationCheck limiting concentration along following steps and take appropria

OUTDOOR UNITS INFORMATION9ENGLISHCAUTIONNotes : * We can guarantee the operation only within 130% Combination.If you want to connect more than 130% co

90CAUTION FOR REFRIGERANT LEAKENGLISH- With partition and without opening which serve as passage of air to adjoining roomCalculate refrigerant concent

INSTALLATION GUIDE AT THE SEASIDE91ENGLISHSelecting the location(Outdoor Unit)If the outdoor unit is to be installed close tothe seaside, direct expos

92ENGLISH

US1. Please call the installing contractor of your product, as warranty service will be provided by them.2. If you have service issues that have not b