
INSTALLATION MANUALAIR CONDITIONER • Please read this installation manual completely before installing the product.• Installation work must be perform
Environment-friendly Alternative Refrigerant R410A 10 Outside UnitSelect the Best LocationSelect space for installing outside unit, which will meet th
Installation space Installation Manual 11ENGLISHInstallation space Individual InstallationCollective / Continuous InstallationRequired the minimum sp
12 Outside UnitTwo Layer InstallationSpace required for two layer installation as shown below considering passage for air and people.: Service areaH-B
Installation Manual 13ENGLISHInstallation space Water control Water control • Keep the water temperature between 10~45°C(50~113°F). Other it may caus
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 suspended, unit pass the ropes under the unit and use the two suspension
16 Outside UnitInstallationLocation of anchor boltThe location of anchor bolt59(2-5/16)50(2)13(1/2)599(23-19/32)658(25-29/32)[Unit: mm(inch)]Installat
Installation Manual 17ENGLISHInstallationPreparation of Piping1) Cut the pipes and the cable. 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 (over1
2 Outside UnitARWN Series Outside unit Installation ManualTABLE OF CONTENTSSafety Precautions ...
20 Outside UnitRefrigerant piping installationWARNINGAfter completing work, securely tighten both service ports and caps so that gas does not leak. Re
Installation Manual 21ENGLISHRefrigerant piping installationSlaveOutside Unit MasterOutside Unit Slave1OutsideUnit Slave2OutsideUnit MainOutside Unit
22 Outside UnitRefrigerant piping installation3 Outside UnitsY branchA B To outside unitTo branch piping or indoor unitABFacingupwardsFacingdownwardsW
Installation Manual 23ENGLISHRefrigerant piping installation1) Water pipe system diagram• The water pressure resistance of the water pipe system of t
24 Outside UnitWater pipeconnectionWater pipe inlet Water pipe outlet mm inch (kN) (kgf) (kN) (kgf) (N.m) (kgf.m)(N.m) (kgf.m) 12.7 1/2 3.5 350 2.
Installation Manual 25ENGLISHProduct protection deviceDevice protection unitStrainer on water pipeTo protect the water cooling type product, you must
Installation of flow switch• The flow switch must be installed at the horizontal pipe of the heat water supply outlet of the product and check the dir
Installation Manual 27ENGLISHRefrigerant piping system Refrigerant piping system Y branch method➲ Refrigerant pipe diameter frombranch to branch (B,C
28 Outside UnitBelow 2m(6.6ft)MasterSlaveIndoor unitdirectionBelow 10mL Below 150m(492ft)Below H 50m(164ft)l Below 40m(131ft)Below 15m(49ft)➲Slave out
Installation Manual 29ENGLISHRefrigerant piping system 10m orlessL150m(492ft)l 40m(131ft)Slave2Slave1MasterBelow 2m(6.6ft)(h1)Indoor unitdirectionH 5
Installation Manual 3ENGLISHSafety PrecautionsSafety PrecautionsTo prevent injury to the user or other people and property damage, the following inst
30 Outside UnitHeader branch methodL Below 150m(492ft)Below H 50m(164ft)l Below 40m(131ft)Below 15m(49ft)➲Total refrigerant pipe length = A +a +b +c +
Installation Manual 31ENGLISHRefrigerant piping system MasterSlaveL Below 150m(492ft)H Below 50m(164ft)l Below 40m(131ft)Below 15m(49ft)Below 10mBelo
32 Outside UnitBranch pipe can not be used after header3. When installing 3 outside unitsEx)6 Indoor Units connectedⒶ : Outside UnitsⒷ : Header branch
Installation Manual 33ENGLISHRefrigerant piping system Y/Header branch method➲ Outside unit Ⓐ~ 1st Y branchpart Ⓑ : Main pipe diameter (A) L Below 15
34 Outside UnitMasterSlaveL Below 150m(492ft)H Below 50m(164ft)h Below 15m(49ft)Below 10mBelow 2m(6.6ft)l Below 40m(131ft)➲Slave outside unit ~ Conn
Installation Manual 35ENGLISHRefrigerant piping system Branch pipe can not be used after header3. When installing 3 outside unitsEx) 5 Indoor Units c
36 Outside Unit‘ Indoor unit connecting pipe from branch (a~f)‘ Equivalent piping length for Y Branch and other pipes can be calculated with following
Installation Manual 37ENGLISHRefrigerant piping system Oil trap application method between outside units• Because of the possibility of oil being acc
38 Outside UnitCalculation of amount of refrigerantRefrigerant piping system The calculation of the additional charge should take into account the len
Installation Manual 39ENGLISHRefrigerant piping system ▶ Regulation for refrigerant leakage: the amount of refrigerant leakage should satisfy the fo
4 Outside UnitSafety PrecautionsVentilate before operating air conditioner when gasleaked out.• It may cause explosion, fire, and burn.Securely instal
40 Outside UnitRefrigerant piping system To Outside UnitSealed PipingAABAB1. Use the following materials for refrigerant piping.• Material: Seamless p
Installation Manual 41ENGLISHRefrigerant piping system Branch pipe FittingY branchA B To Outside UnitTo Branch Piping or Indoor UnitABFacingupwardsFa
42 Outside UnitRefrigerant piping system • When the number of indoor units to be connected to the branch pipes is less than the number of branchpipes
Installation Manual 43ENGLISHRefrigerant piping system Thermal insulation of refrigerant pipingHeatinsulationmaterialOutercoveringAdhesive + Heat - r
44 Outside UnitY branch pipe and header branch pipe type Y branch pipeY branch pipe and header branch pipe type Models Gas pipe Liquid pipe[unit:mm(in
Installation Manual 45ENGLISHY branch pipe and header branch pipe type Header[unit:mm(inch)]Models Gas pipe Liquid pipe4 branchARBL0547 branchARBL057
46 Outside UnitLeakage test and vacuum Leak testCloseIndoor unitNitrogen gasOutside unitClose CloseCloseLiquide pipeLiquide pipeLiquide pipeGas pipeGa
Installation Manual 47ENGLISHLeakage test and vacuum VacuumVacuum drying should be made from the service port provided on the outside unit’s service
48 Outside UnitElectrical WiringElectrical WiringRemotecontrolRemotecontrolRemotecontrolRemotecontrolIndoorUnitOutside Unit Outside UnitOutside UnitIn
Installation Manual 49ENGLISHElectrical WiringMaster Slave1 Slave2Master Slave1 Slave2Master Slave1 Slave2Master Slave1 Slave2RemotecontrollerRemotec
Installation Manual 5ENGLISHSafety PrecautionsDo not install the product where it is exposed to sea wind (salt spray) directly.• It may cause corrosi
50 Outside UnitElectrical Wiring- Unscrew all the screw, pull out the panel.- Connect the transmission wire between outside unit and indoor unit,the c
Installation Manual 51ENGLISHElectrical WiringTransmission and Power Lines1) Transmission cable• Types : shielding wire• Diameter : over 1.25mm2• Max
52 Outside UnitElectrical Wiring1. Use a separate power supply for the Outside Unit and Indoor Unit.2. Bear in mind ambient conditions (ambient temper
Installation Manual 53ENGLISHElectrical Wiring1. 60Hz34 34 34The GND terminal is a '–' terminal for the central controller, not Ground Lin
54 Outside UnitElectrical WiringPower supply switch(Switch fuse : ELCB)Power supply switch(Switch)Power supply switch(Switch)3 Phase 3 Wires Power lin
Installation Manual 55ENGLISHElectrical WiringPower supply switch(Switch fuse : ELCB)3 Phase 3 Wires Power line(L1, L2, L3)Transmission line (3 line)
56 Outside UnitElectrical Wiring◆ Example Connection of Communication Cable[BUS type]• Connection of communication cable must be installed like below
Installation Manual 57ENGLISHElectrical WiringConnection method of the connecting cable (Example)1. Make a hole appropriate for the passage of connec
58 Outside UnitElectrical WiringDip switch setting1. Location of setting switch 2. Dip switch setting1) Set the dip switch and turn on the power of th
Installation Manual 59ENGLISHElectrical Wiring Master Outside SettingSW01B Setting SW02B Setting RemarkNormal mode at shippingfactory1234567ON123456
6 Outside UnitSafety PrecautionsWhen wiring:Electrical shock can cause severe personal injury or death. Only a qualified,experienced electrician shoul
60 Outside UnitElectrical WiringFunction SW01B Setting SW02B Setting RemarkStandard mode at shippingfactorylongest PipeLengthForced Oil Return1234567O
Installation Manual 61ENGLISHElectrical Wiring• The address of indoor units would be set by auto addressing1) Wait for 3 minutes after applying power
62 Outside UnitElectrical WiringGroup Number settingGroup Number setting for Indoor Units① Confirm the power of whole system(Indoor Unit, Outside Unit
Installation Manual 63ENGLISHElectrical WiringCool and Heat Selector Installation and Connection • Connect wires as below figure at the hole of backs
64 Outside UnitTest RunTest RunWater supply system test run• Before executing the test run for the product, you must first test the heat source water
Installation Manual 65ENGLISHHow to Cope with Abnormal Test RunItemPhenomenonCause Checkpoint and resolutionCheck whether the heat source water suppl
66 Outside UnitTest RunMaintenance of plate type heat exchanger❈ When CH24 or CH180 error occurs during the test operation of the heater, the inside o
Installation Manual 67ENGLISHDaily check/managementMaintenance/Repair checklistTest Run1. Water quality controlThe plate type heat exchanger is not s
68 Outside UnitTest RunSelf-Diagnosis FunctionError Indicator• This function indicates types of failure in self-diagnosis and occurrence of failure fo
Installation Manual 69ENGLISHTest RunDisplay Error item Root cause of errornumberInitial operation failure due to slave1 outside unit Variable speed
Installation ProcessInstallation Manual 7ENGLISHInstallation ProcessThe foundation must be level evenOutside unit foundation workAvoid short circuits
70 Outside UnitTest RunDisplay Error item Root cause of errornumberSlave1 outside unit Variable speed compressor current detection (CT)sensor disconne
Installation Manual 71ENGLISHTest RunDisplay Error item Root cause of errornumberWhen the inverter controller signal is not received from the master
72 Outside UnitTest Run Refer to the troubleshooting guide of service technical manual for each error. Display Error item Root cause of errornumberMa
Installation Manual 73ENGLISHCooling tower applied method Cooling tower applied method [Open type cooling tower + Second heat exchanger] Heat exchang
74 Outside UnitCaution For Refrigerant LeakThe installer and system specialist shall secure safety against leakage according to local regulations or s
Installation Manual 75ENGLISHCaution For Refrigerant Leak(3) With partition and without opening which serve as passage of air to adjoining roomCalcul
76 Outside UnitWater Solenoid Valve ControlCN_26CN_24CN_22INTERNETMAIN PCBC_Box DDC BMSFlow SwitchSolenoid ValveWater OutWater InCN_26CN_24CN_22MAIN P
Variable Water Flow Control KIT(Accessory)Installation Manual 77ENGLISHVariable Water Flow Control KIT(Accessory)1. Shut off the main power line of o
78 Outside Unit
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Outside units Information8 Outside UnitOutside units InformationPower Supply: Outside Unit (3Ø, 208/230V, 60Hz) Heat pump• Ratio of the running Indoo
Outside units InformationInstallation Manual 9ENGLISHPower Supply: Outside Unit (3Ø, 460V, 60Hz) Heat Pump System Capacity
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