Air-Cooled Scroll Chiller(R410A)5BHW0-01AAir-Cooled Scroll Chiller (R410A)1. Nomenclature2. Selection Procedure3. Operation Range & Limit4. Specifications5. Performance Data of Cooling6. Performance Data of Heating7. Head loss of Cold water8. Dimensions9. Base of Installation10. Electric Characteristics11. Wiring Diagrams12. Installation of Chiller13. Specification of Production14. Appendix1 OutdoorUnit _ NomenclatureAir-Cooled Scroll Chiller (R410A)1. NomenclatureProducttype:A=ModulemodelB=IndependentmodelC=SlavemodelPowerspecification:H=3,460V,60HzCoolingcapacity(RT):060=60RT040=40RT020=20RTCompressortype:R=Scroll(Lowpressuretype)H=Scroll(Highpressuretype)Cooledtype:A=AircooledC/OW=WatercooledC/OH=AircooledH/PK=WatercooledH/PAC=R410A/ChillerA H 060AC BAAH Communicationmethod:A=ModbusSerial2 _OutdoorUnit Selection ProcedureAir-Cooled Scroll Chiller (R410A)2. Selection Proceduren Selection guideTheproductinformationrequiredinvariousrequirementsiswrittenindetailfromChapter6.IfyouneedaproductforspecialsystemapplicationorproductwiththeconditionoutsidethisPDB,pleasegetconsultationfromnearbysalesofficeorspecialtystore.n Selection procedure1. Check usage conditionBeforeselectingthemodel,thefollowingusageconditionsmustbedecided.-Coldandhotwaterin/outtemperatureandoutdoortemperature-Coldandhotwaterflowamount(flowamountcanbecalculatedifyouknowthefreezingloadandchilledwaterin/outtemperature.)2. Selecting candidate modelRequiredratedcapabilityisselectedthroughloadcalculation,andyoucanselectthecorrespondingmodelbylookingatChapter8Cooling/heatingcapabilitychangetable.Whenyouselectthecandidatemodel,donotselectamodelwithlessvolumethantherequiredratedcapa-bility,butselectamodelwiththesameorbiggervolume.3. Performance adjustment for foulingThedatainthistechnicaldatamanualisbasedonchilledwaterfoulingcoefficientof0.000018m/Watsealevel.Ifaltitudeorfoulingcoefficientisdifferent,youhavetoapplyappropriateadjustmentcoefficientformthefol-lowingtabletocalculatedatafortheoperationcondition.AltitudeWaterin/outtemperaturedifference()Foulingcoefficient0.000018m2/W 0.000054m2/WCoolingcapability Powerconsumption Coolingcapability PowerconsumptionSealevel(0m)4 0.991 0.998 0.979 0.9965 1.000 1.000 0.990 0.9986 1.010 1.002 1.001 1.0007 1.020 1.005 1.010 1.0038 1.028 1.006 1.019 1.004500m4 0.988 1.004 0.979 1.0025 0.998 1.006 0.988 1.0046 1.008 1.008 0.998 1.0067 1.017 1.010 1.008 1.0088 1.026 1.012 1.017 1.0101,000m4 0.985 1.011 0.977 1.0085 0.995 1.013 0.985 1.0106 1.005 1.015 0.995 1.0127 1.014 1.017 1.005 1.0148 1.023 1.019 1.014 1.0161,500m4 0.982 1.018 0.974 1.0165 0.992 1.020 0.983 1.0186 1.002 1.022 0.993 1.0207 1.011 1.025 1.003 1.0238 1.020 1.027 1.011 1.0253 OutdoorUnit _ Selection ProcedureAir-Cooled Scroll Chiller (R410A)2. Selection Procedure4. Performance adjustment after adding freeze and burst prevention solution IfcoolingoperationisperformedinWinter,orifwaterinsidethecycleisnotremovedintherestingphase,youhavetoaddfreezeandburstpreventionsolutiontoprotectfromfreezeandburst.Freezercharacteristicschangebyaddingfreezeandburstpreventionsolution,soitshouldbeadjusted.Refertothefollowingtablefortheadjustmentcoefficientafteraddingfreezeandburstpreventionsolution.5. Finalizing the model Asaresultofverifyingproductperformanceandpowerconsumptionconsideringvariousadjustmentcoefficientsforthecandidatemodels,ifthereisnoproblem,youcanfinalizeitasthefinalmodel.Ifthereisaproblem,reviewagainfromthecandidatemodelselectionstage.1.Sitewithoutdoortemperatureis30,foulingcoefficientis0.000054m/W,altitudeis500m,ethyleneglycolvolumeconcentration30%addedchilledwaterisused,requiredcoolingcapabilityis65kW,chilledwaterin/outconditionis14 9.2.Findappropriatemodelinproductdimensiontable(Chapter4)andverifypowerconsumption,dimension,etc.-CandidatemodelACAH020HBAA:coolingcapability65kW,powerconsumption21.7kW,COP3.0,dimension:765x2351x2154mm3.Checkthecapabilityandpowerconsumptionintheusageconditionoftheselectedmodelbycoolingcapabilitychangetable(Chapter5).-Chilledwaterin/outcondition:in14 9condition,coolingcapability:72.3kW,powerconsumption:19.4kW,COP:3.74.Carryoutperformanceadjustmentafterfoulingandfreezeandburstsolutionaddition.-Coolingcapability:72.3X0.988x0.987=70.5kW-Powerconsumption:19.4X1.006=19.5kW5.Calculatefreezerpowerconsumptioninusagecondition.-Loadratio:requiredcoolingcapability/modelcoolingcapability=65/70.5=0.92-Inratedcondition,powerconsumptionmodelpowerconsumptionxloadratio=19.5x0.92=17.9kW6.Calculateflowamountandpressurelossinusagecondition.-Formulatogetflowamount:l /min=kWX12.9/TFlowamount=65kWX12.9/5=168l /min-Pressureloss:fromChilledwaterheadlosstable(Chapter7),getpressurelossofthecorrespondingmodelinthecorrespondingflowamount.PressurelossofACAH020HBAAat168l /minisabout26kPa,andpressurelosscoefficientbyaddingfreezeandburstpreventionsolutionis1.124,sototalpressurelossis26X1.124=29kPa.7.Reviewifthecalculatedspecificationissuitableforthesite.u Example: selecting modelAntifreezeType ItemAntifreeze%bywt10% 20% 30% 40% 50%MethanolCooling 0.998 0.997 0.995 0.993 0.992PressureDrop 1.023 1.057 1.091 1.122 1.160EthyleneglycolCooling 0.996 0.991 0.987 0.983 0.979PressureDrop 1.024 1.068 1.124 1.188 1.263PropyleneglycolCooling 0.993 0.987 0.980 0.974 0.968PressureDrop 1.040 1.098 1.174 1.273 1.4054 _OutdoorUnit Operation Range & LimitAir-Cooled Scroll Chiller (R410A)3. Operation Range & LimitnRange of outlet water temperaturen Range of outdoor air temperaturenOperation LimitModelColdwateroutlettemperature()Min. Max.ACAH020HBAA 5 15ACAH040HBAA 5 15ACAH060HBAA 5 15ModelCoolingoutdoorairtemperatureMin. Max.ACAH020HBAA -10 48ACAH040HBAA -10 48ACAH060HBAA -10 48ModelVoltage (V) Capacity Coldwaterflowrate( /min)Min. Max. Min. Max. Min. Max.ACAH020HBAA 414 506 10% 100% 126 250ACAH040HBAA 414 506 10% 100% 252 500ACAH060HBAA 414 506 10% 100% 378 7505 OutdoorUnit _4. Specifications SpecificationsAir-Cooled Scroll Chiller (R410A)Notes:1.Duetoourpolicyofinnovationsomespecificationsmaybechangedwithoutpriornotification.2.CapacitiesandInputsarebasedonthefollowingconditionsCooling:Outdoorairtemp.35C[95F]DB,Waterinlettemp.12C[53.6F],WaterOutlettemp.7C[44.6F]Heating:Outdoorairtemp.7C[44.6F]DB,Waterinlettemp.40C[104F],WaterOutlettemp.45C[113F]nMain UnitsModelNameACAH020HBAA ACAH040HBAA ACAH060HBAA20RT 40RT 60RTPowerSupply ,Wire,V,Hz 3,3,460,60CapacityCoolingratedkW65.0 130.0 195.0Max 70.0 140.0 210.0HeatingratedkW- - -Max - - -InputCooling rated kW 21.7 43.3 65.0Heating rated kW - - -COPCooling W/W 3.0 3.0 3.0Heating W/W - - -IPLV W/W 5.0 5.0 5.0RemoteControlType Modbus,InterfaceCompressorType - ScrollNumber EA 2 4 6OilType - FVC68D(PVE)OilCharge cc 1,400x2 1,400x4 1,400x6SumpHeater W 60x2 60x4 60x6RefrigerantRefrigerantName - R410ACharge kg 14x1 14x2 14x3HeatExchangerType - Aluminiumfin&CoppertubeRowxColumnxFinsperinch 3x48x15Fintype - WideLouverPLUSFanType - BLDCMotorNumber EA 2 4 6AirFlowRate CMM 210x2@1000rpm 210x4@1000rpm 210x6@1000rpmEvaporatorType - PlateHeadLoss kPa 30 30 30Max.pressure MPa 1 1 1Flowrate(Cooling/Heating) LPM 180/190 360/380 540/570PipingConnections Inlet/Outlet 40A/40A 65A/65A 65A/65AExpansionValveType - ElectronicExpansionValveNetWeight kg 540 1,030 1,530DimensionsDxHxW mm 2,154x2,351x765 2,154x2,351x1,528 2,154x2,351x2,291DxHxW inch 84-13/16x92-9/16x30-1/8 84-13/16x92-9/16x60-5/32 84-13/16x92-9/16x90-3/16CircuitBreaker A 75 125 2006 _OutdoorUnit5. Performance Data of CoolingPerformance Data of CoolingAir-Cooled Scroll Chiller (R410A)nACAH020HBAANotes:1)Unit:Capacity/Powerinput(kW),COP(W/W)2)Waterflowrateoftestcondition:180LPMOutdoorAirTemp.()ClassificationWaterOutletTemperature ()5 7 9 11 13 15-5CapacityPowerinputCOP0CapacityPowerinputCOP5CapacityPowerinputCOP10CapacityPowerinputCOP15CapacityPowerinputCOP20CapacityPowerinputCOP25CapacityPowerinputCOP30CapacityPowerinputCOP35CapacityPowerinputCOP40CapacityPowerinputCOP45CapacityPowerinputCOP83.0 85.3 87.6 90.0 92.5 95.013.7 13.8 14.0 14.1 14.2 14.46.1 6.2 6.3 6.4 6.5 6.681.3 83.6 85.9 88.3 90.8 93.413.9 14.0 14.2 14.3 14.4 14.65.9 6.0 6.1 6.2 6.3 6.479.5 81.7 83.9 86.3 88.7 91.114.3 14.5 14.6 14.7 14.9 15.05.5 5.6 5.7 5.8 6.0 6.177.6 79.7 81.9 84.2 86.5 88.914.8 14.9 15.1 15.2 15.3 15.55.3 5.3 5.4 5.5 5.6 5.775.4 77.8 80.3 82.9 85.6 88.315.5 15.7 15.8 15.9 16.1 16.24.9 5.0 5.1 5.2 5.3 5.473.2 75.9 78.7 81.6 84.6 87.716.3 16.4 16.6 16.7 16.8 17.04.5 4.6 4.8 4.9 5.0 5.270.1 72.8 75.5 78.3 81.3 84.317.9 17.9 18.0 18.0 18.0 18.13.9 4.1 4.2 4.4 4.5 4.767.1 69.6 72.3 75.1 77.9 80.919.5 19.4 19.4 19.3 19.2 19.23.4 3.6 3.7 3.9 4.1 4.262.2 65.0 68.0 71.1 74.4 77.821.5 21.7 21.9 22.1 22.3 22.52.9 3.0 3.1 3.2 3.3 3.457.2 60.4 63.7 67.2 70.8 74.723.5 24.0 24.5 25.0 25.5 26.02.4 2.5 2.6 2.7 2.8 2.951.9 55.4 59.1 63.0 67.2 71.625.7 26.4 27.2 28.1 28.9 29.82.0 2.1 2.2 2.2 2.3 2.47 OutdoorUnit _Performance Data of Cooling5. Performance Data of CoolingAir-Cooled Scroll Chiller (R410A)nACAH040HBAANotes:1)Unit:Capacity/Powerinput(kW),COP(W/W)2)Waterflowrateoftestcondition:360LPMOutdoorAirTemp.()ClassificationWaterOutletTemperature ()5 7 9 11 13 15-5CapacityPowerinputCOP0CapacityPowerinputCOP5CapacityPowerinputCOP10CapacityPowerinputCOP15CapacityPowerinputCOP20CapacityPowerinputCOP25CapacityPowerinputCOP30CapacityPowerinputCOP35CapacityPowerinputCOP40CapacityPowerinputCOP45CapacityPowerinputCOP166.0 170.6 175.2 180.0 185.0 190.027.3 27.5 27.9 28.1 28.3 28.76.1 6.2 6.3 6.4 6.5 6.6162.6 167.2 171.8 176.6 181.6 186.827.7 27.9 28.3 28.5 28.7 29.15.9 6.0 6.1 6.2 6.3 6.4159.0 163.4 167.8 172.6 177.4 182.228.5 28.9 29.1 29.3 29.7 29.95.6 5.6 5.8 5.9 6.0 6.1155.2 159.4 163.8 168.4 173.0 177.829.5 29.7 30.1 30.3 30.5 30.95.3 5.4 5.4 5.6 5.7 5.7150.8 155.6 160.6 165.8 171.2 176.630.9 31.3 31.5 31.7 32.1 32.34.9 5.0 5.1 5.2 5.3 5.5146.4 151.8 157.4 163.2 169.2 175.432.5 32.7 33.1 33.3 33.5 33.94.5 4.6 4.8 4.9 5.0 5.2140.2 145.6 151.0 156.6 162.6 168.635.7 35.7 35.9 35.9 35.9 36.13.9 4.1 4.2 4.4 4.5 4.7134.2 139.2 144.6 150.2 155.8 161.838.9 38.7 38.7 38.5 38.3 38.33.4 3.6 3.7 3.9 4.1 4.2124.4 130.0 136.0 142.2 148.8 155.642.9 43.3 43.7 44.1 44.5 44.92.9 3.0 3.1 3.2 3.3 3.5114.4 120.8 127.4 134.4 141.6 149.446.9 47.9 48.9 49.9 50.9 51.92.4 2.5 2.6 2.7 2.8 2.9103.8 110.8 118.2 126.0 134.4 143.251.3 52.7 54.3 56.1 57.7 59.52.0 2.1 2.2 2.2 2.3 2.48 _OutdoorUnitPerformance Data of CoolingAir-Cooled Scroll Chiller (R410A)5. Performance Data of CoolingnACAH060HBAANotes:1)Unit:Capacity/Powerinput(kW),COP(W/W)2)Waterflowrateoftestcondition:540LPMOutdoorAirTemp.()ClassificationWaterOutletTemperature ()5 7 9 11 13 15-5CapacityPowerinputCOP0CapacityPowerinputCOP5CapacityPowerinputCOP10CapacityPowerinputCOP15CapacityPowerinputCOP20CapacityPowerinputCOP25CapacityPowerinputCOP30CapacityPowerinputCOP35CapacityPowerinputCOP40CapacityPowerinputCOP45CapacityPowerinputCOP249.0 255.9 262.8 270.0 277.5 285.041.0 41.3 41.9 42.2 42.5 43.16.1 6.2 6.3 6.4 6.5 6.6243.9 250.8 257.7 264.9 272.4 280.241.6 41.9 42.5 42.8 43.1 43.75.9 6.0 6.1 6.2 6.3 6.4238.5 245.1 251.7 258.9 266.1 273.342.8 43.4 43.7 44.0 44.6 44.95.6 5.6 5.8 5.9 6.0 6.1232.8 239.1 245.7 252.6 259.5 266.744.3 44.6 45.2 45.5 45.8 46.45.3 5.4 5.4 5.5 5.7 5.7226.2 233.4 240.9 248.7 256.8 264.946.4 47.0 47.3 47.6 48.2 48.54.9 5.0 5.1 5.2 5.3 5.5219.6 227.7 236.1 244.8 253.8 263.148.8 49.1 49.7 50.0 50.3 50.94.5 4.6 4.7 4.9 5.0 5.2210.3 218.4 226.5 234.9 243.9 252.953.6 53.6 53.9 53.9 53.9 54.23.9 4.1 4.2 4.4 4.5 4.7201.3 208.8 216.9 225.3 233.7 242.758.4 58.1 58.1 57.8 57.5 57.53.4 3.6 3.7 3.9 4.1 4.2186.6 195.0 204.0 213.3 223.2 233.464.4 65.0 65.6 66.2 66.8 67.42.9 3.0 3.1 3.2 3.3 3.5171.6 181.2 191.1 201.6 212.4 224.170.4 71.9 73.4 74.9 76.4 77.92.4 2.5 2.6 2.7 2.8 2.9155.7 166.2 177.3 189.0 201.6 214.877.0 79.1 81.5 84.2 86.6 89.32.0 2.1 2.2 2.2 2.3 2.49 OutdoorUnit _Head loss of Cold waterAir-Cooled Scroll Chiller (R410A)7. Head loss of Cold waternACAH Series evaporator head loss graph20RT 40RT 60RTPressure Drop (kPa)Water Flow Rate (LPM)10 _OutdoorUnitDimensionsAir-Cooled Scroll Chiller (R410A)8. DimensionsnModel : ACAH020HBAAABCDEFG765Dimension ClassificationWater Outlet(40A)Water Inlet(40A)2 1982 3512 154240610190ACEFGDB-Side view- -Front view--Rear view -(Unit:mm)11 OutdoorUnit _DimensionsAir-Cooled Scroll Chiller (R410A)8. DimensionsABCDEFG1 528Water Outlet(65A)Water Inlet(65A)2 1982 3512 154240610190DBF A Dimension ClassificationnModel : ACAH040HBAA-Side view- -Front view--Rear view-(Unit:mm)12 _OutdoorUnitDimensionsAir-Cooled Scroll Chiller (R410A)8. DimensionsABCDEFG2 2912 1982 3512 154240610190D ACBFEGWater Outlet (65A)Water Inlet (65A)Dimension ClassificationnModel :ACAH060HBAA-Side view- -Front view--Rear view -(Unit:mm)13 OutdoorUnit _Base of InstallationAir-Cooled Scroll Chiller (R410A)9. Base of InstallationnDetails to consider when installing the baseThebasemustbeabletowithstandconcentratedload.Thebasemustbeinstalledwithmaximumgradientof1/300.Theheightofthebasemustbehigherthanthesurfaceofthewateranddrainholesmustbeinstalledaround.Settheheightofthebaseaccordingtotheinstallationenvironmentsothattheproductisnotsubmersedinwater.Thedefaultheightofthebaseis200mmanditmustbeatleastdoubledinareaswithdoublethesnowfallof100mmorabove.Installthedrainpipeinthedrainhole.Thedrainagemustbefinishedsothatparticlesaroundthedrainagedonotclogthepipes.LGisnotresponsibleforproductfailureordamagefromincorrectlydesignedormanufacturedbase.Dimension Shape of anchor boltSpecification of anchor bolt20RT 40RT 60RTA 865 1,628 2,391B 765 1,528 2,291C 2,254 2,254 2,254D 2,154 2,154 2,154E 691 1,456 2,217F 1,707 1,707 1,707(Unit:mm)50150A465Apply 3/1000of slope100A273.550BFDCE 87DrainholeScrewsize(d) L S D L1 UseddrillDepthofdrill(min.)Pulloutload(N)5/8(M16) 125 70 22 65 22 65 42140< 20RT Drawing of base >Shape of anchor boltD 14 _OutdoorUnitBase of InstallationAir-Cooled Scroll Chiller (R410A)9. Base of Installation50150A A539 539Apply 3/1000of slope Apply 3/1000of slope100A273.550BFDCE 8550A273.550BFDCE 87150539 613 539100DrainholeDrainhole< 40RT Drawing of base > < 60RT Drawing of base >15 Outdoor Unit _ Electric CharacteristicsAir-Cooled Scroll Chiller (R410A) Air-Cooled Scroll Chiller (R410A)10. Electric CharacteristicsElectric specificationNotes:1. RLA is the current required when operated in the followingcondition.Cooling : Outdoor air temp. 27C DB / 19.0C WB,Water inlet / Outlet temp. 12C / 7CHeating : Outdoor air temp. 7C DB / 6.0C WB,Water inlet / Outlet temp. 40.0C / 45.0C2. Voltage rangeThe chiller must be operated at the voltage within the upperand lower limit supplied from the power terminal to operatenormally. 3. Maximum voltage variance permitted between phases is 2%.4. MCA is the criteria of selecting the wiring standard. 5. MFA is used when selecting circuit breaker and groundingerror circuit breaker (Electricity leakage circuit breaker). ACAH Frequency(Hz) Voltage(V) Voltage range(V) MCA(A) MFA(A) Inv. Comp Fan MotorQtyRLAQtyRLA 020HBAA 60 460 414-506 65 90 2 14.05 2 3040HBAA60 460 414-506 123 150 4 14.05 4 3060HBAA60 460 414-506 181 200 6 14.05 6 3MCA: Minimum Circuit Ampere, AMFA: Maximum Fuse Ampere, ARLA: Rated Load Ampere, AMSC: Maximum Start Current, A16 _OutdoorUnitWiring DiagramsAir-Cooled Scroll Chiller (R410A)11. Wiring DiagramsnACAH020HBAA17 OutdoorUnit _Wiring DiagramsAir-Cooled Scroll Chiller (R410A) Air-Cooled Scroll Chiller (R410A)11. Wiring DiagramsnACAH040HBAA(Main), ACAH060HBAA(Main)18 _OutdoorUnitWiring DiagramsAir-Cooled Scroll Chiller (R410A) Air-Cooled Scroll Chiller (R410A)11. Wiring DiagramsnACAH040HBAA(Sub), ACAH060HBAA(Sub1, Sub2 )19 OutdoorUnit _Installation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of ChillerSelecting installation locationnPrecaution when selecting the installation locationSelectthelocationthatfitsthefollowingconditionstoinstalltheproduct.LocationwithoutdirectheatfromotherheatsourceLocationwherenoiseofthechillerdoesnothavenegativeimpacttotheneighborsChecktheinstallationdirectionoftheunitfortheseasonalwindduringthewinter.Installtheproductsothattheseasonalwinddoesnotaffectonlyonesideoftheproduct.LocationnotexposedtostrongwindsLocationthatcansupporttheweightofthechillerLocationwithspaceforairflowandserviceInstalltheboundarysign,dangersignorbarricade,ifnecessary.Itisrecommendedtoinstallafencearoundchillersothatpeopleoranimalswillnotbeabletoaccessthearea.Wheninstallingtheproductinareaswithhighhumidityduringthewinter(Coast,seaside,lakeside),installtheproductwhereitiswellventilatedandhasplentyofexposuretosunlight.(Ex:Rooftopwithsunlight)Iftheproductdoesnotrunduringthewinter,establishaplantousetheanti-freezeforthewatersupply.Topreventthecondensedwaterfromflowing,insulatetheconnectedevaporatorandpipe.Tosmoothlydrainthecondensedwater,establishaninclinedstructure.Avoidinstallingtheproductatlocationswiththefollowingconditions.-Locationwithcorrosivegassuchasacidoralkaligas.(Coolantcanleakfromthecorrodedpipes.)-Locationwithelectromagneticwave.(Itcancausetheproducttomalfunctionfromdefectiveparts.)-Locationwhereflammablegasisgeneratedorflowstopreventfire.-Locationwithhighlevelofcarbonfiberordust-Speciallocationexposedtooil,steamoremulsifiedgas20 _OutdoorUnitInstallation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of ChillernPrecaution for seasonal wind and winter seasonInareaswithheavysnoworinextremelycoldareas,sufficientplanningisrequiredfortheproducttorunsmoothly.Eveninotherareas,planningisrequiredforseasonalwindduringthewinterseason.Snowcangointotheairdischargeoutletofthecondensertofreezeinsidethechiller.Thereforeinstallalargecoveroverthechillerforareaswithheavysnowfalltopreventthesnowfromaccumulatingonthetop.Thechillercanfreezeinsidewhentheairinletiscloggedwithsnow.Thereforeinstallthechilleronthebasewithatleasttwicetheheightoftheaveragesnowaccumulation.(Defaultheightofbase:300mm)Ifthereismorethan100mmofsnowontopofthechiller,alwaysoperatetheunitaftercleaningthesnow.Donotinstalltheproductwheretherecouldbenegativeimpactfromsnowinareaswithheavysnowfall.Decidetheinstallationdirectionofthechillersothatthesideoftheairheatexchangerdoesnotfacethedirectionofthesnow.(Makethesideoftheairheatexchangerparalleltothedirectionofthesnowfall.)Installablockerwiththeheightofthesnowaccumulationtoavoidthesnowaroundthechillerfrombeingsuckedintothecoilside.(Prepareonsite)Ifthewindcomesinonedirectionoftheunitwheretheseasonalwindisstrong,thereisahighchancethatitcanleadtoissuewithproductcapacityorimbalanceofload.Thereforeinstalltheproductsothatithascon-sistenteffectontheproductcycle.Ifthatisnotpossible,considerusingawindblockerorotherdevices.Inareaswithstrongseasonalwindduringthewinter,applythewindblockerhood,especiallynearthecoastalarea,withoutblockingthesuctioninletofthechillerconsideringthedirectionofthewind.Ifthechillerisdirectlyexposedtotheseasonalwindduringthewinter,separatelyinstallawindbuffle.(Prepareonsite)21 OutdoorUnit _Installation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of ChillerIftheproducthastobeinstalledinevitablyfacingthecoast,installawallaroundtheoutdoorunit.Installtheproductwherethedrainageissmooth.Thewallmustbemadeofsufficientlystrongmaterialsuchasconcretetoblockthecoastalwindandmustbe1.5timeslargerthanthesizeoftheproducttoprotecttheproduct1000mmapart.Theremustbe1000mmofclearancebetweenthewallandthechillerforsmoothcirculationofair.Coastal windWall* Selecting location of chillerInstallthechillerwherethebuildingcanblockthecoastalwind.Coastal wind Coastal windInstallation Guide at the seasideCAUTIONWheninstallingthechillernearthecoast,makesurethatitisnotdirectlyexposedtothecoastalwind.Wheninstallingthechillerdirectlyexposedtothecoastalwind,separateanti-corrosivetreatmentmustbedoneonthecondenserofthechiller.22 _OutdoorUnitInstallation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of Chiller (Unit: mm)800+h1/2h1800WallAir Ceiling(Unit: mm)8005,000WallAirWheninstallingtheproduct,secureminimumspaceasshownbelowconsideringtheservice,suctionanddis-chargeofairflow.nConsider the ventilation condition.Theaircooledchillermustbeinstalledonopenspaceormusthaveappropriateventilation.Wheninstalledalongthewall,theremustbesufficientspaceforventilation.ReferenceIfthesideofthechillerisnearthewallandtheheightofthewallislessthan800mm,thedistancebetweenthewallandthechillermustbeatleast800mm.Ifthesideofthechillerisnearthewallandthewallis800mmorhigher,spaceofhalfofh1mustadditionallybesecuredontopofthe800mmforthedistancebetweenthewallandthechiller.ReferenceIfthereisaceilingonthetoppartofthechiller,thedistancefromthechillertotheceilingmustbe5000mmorabove.Ifthefrontorrearsideofthechillerisclosetothewall,thedistancefromthewalltothechillermustbe800mmorabove.23 OutdoorUnit _Installation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of ChillerService space800 mm800 mm800 mm 800 mm600 mm800 mm 800 mmService spaceBecause this is the space where the water pipes are installed, make sure to secure sufficient space for future maintenance and repair work.Because this is the space where the water pipes are installed, make sure to secure sufficient space for future maintenance and repair work.Consider the service space.Theremustbesufficientspaceformaintenanceandrepairworkaroundthechiller.24 _OutdoorUnitInstallation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of ChillerWater managementThewaterqualityofthecold(hot)waterisdescribedasfollows.Thewaterqualitymustnotfallbelowthefollowingstandard.Ifso,itcanbejudgedtohaveriskwithinrelativelyshortperiodoftime.ItemWaterCirculationtypecoldwater ColdwaterReferencePH(25C) 6.5-8.0 6.5-8.0Conductionrate(25Cs/cm) 500orbelow 200orbelowAlkalilevel(PPM) 100orbelow 50orbelowHardness(PPM) 100orbelow 50orbelowChlorineion(PPM) 100orbelow 50orbelowLacticacidion(PPM) 100orbelow 50orbelowIron(PPM) 0.1orbelow 0.3orbelowSulfurion(PPM) Notdetected NotdetectedAmmoniumion(PPM) 0.5orbelow 0.2orbelowSilica(PPM) 50orbelow 30orbelowWater pipe connection Connectthepipesothattheentranceofthecold(hot)waterpipeiscorrect.Permittedwaterpressureresistanceofcoldwaterpipesystemis1MPaTopreventanyexternalheatlossordewdropsformingduringthecoolingoperationonthewaterpipesystem,applythermalinsulationtreatment.Installtheairventattheoutputendofthewaterpipe.(Airvent)Ifthethermometerisinstalledontheinlet/outletofthecold/hotwaterpipe,theoperatingconditionofthechillercanbechecked.Alwaysinstallthestrainer(50Meshorabove)thatcanbecleanedonthewaterpipeinletsidetofilteranyalienparticlesfromenteringtheheatexchanger.Alwaysinstallthestrainerontheleveledpipe.(Ifsand,trashorrustgetsmixedtothecoldwatersystem,itcancauseproductfailureduetocorrosionofmetallicparts.)Installtheon/offvalveonthecoldwaterinlet/outletandbypasspipeonthepipedirectionofthedeviceside.-Forthepipesystem,itisrecommendedtoinstallthebypassandcleanthepipebeforeinstallingtheproductandduringtheannualpipecleaning.-On/Offvalveblockstheoldwatertothechillerthatisnotoperatingtoreducethepowerofthepump.Thereforeselectwhethertoinstalltofittheneedofthesite.Installthepressuregaugeandthermometerontheinletandoutletofthewaterpipe.Alwaysinstalltheflexiblejointtoreducethevibrationofthepipeandproduct.-Vibrationofwaterpipesystemisabsorbedtopreventwaterleakage.Forthecoldwatersystempart,makesuretousethecomponentthatcomplieswithdesignedwaterpressureorabove.Beforesupplyingcoldwatertothechiller,cleaninsidethepipesystemtoremoveanynegativeimpactofparticlestotheproduct.25 OutdoorUnit _Installation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of Chiller* Independentproductinstallation *IndependentproductinstallationLG suppliedP1 T1 T2 P2 LG suppliedP2 T2 P1 T1 Symbol Description Symbol DescriptionValve T1 Temperaturesensor(1:Inlet2:Outlet)StrainerP1Pressuregauge(1:Inlet,2Outlet)Flexiblejoint ColdwaterpumpInstallation mode A (Recommended method)26 _OutdoorUnitInstallation of ChillerAir-Cooled Scroll Chiller (R410A)12. Installation of Chiller* Independentproductinstallation *IndependentproductinstallationP2 T2 P1 T1 LG suppliedP2 T2 P1 T1 LG suppliedSymbol Description Symbol DescriptionValve T1 Temperaturesensor(1:Inlet2:Outlet)Strainer P1 Pressuregauge(1:Inlet,2Outlet)Flexiblejoint ColdwaterpumpInstallation mode B27 OutdoorUnit _Installation of ChillerAir-Cooled Scroll Chiller (R410A) Air-Cooled Scroll Chiller (R410A)12. Installation of ChillerWater pipe installationAppropriatepressureofpipeconnectionisflangeconnectionof1MPaorbelow.Sizeofthewaterpipemustbethesameasthatoftheproductorlarger.Ifthereisriskofdewdropsforming,alwaysinstallthethermalinsulationmaterialontheoutletpipeofthecoldwater.Toavoidconnectedwaterpipefromcreepingfromtheload,useappropriatehookforsupport.Topreventthepipeconnectedpartfromfreezingduringthewinterseason,alwaysinstallthedrainvalveatthemostbottomofthepipesystem.Coldwaterinletpipeislocatedatthebottomandtheoutletpipeisinstalledonthetop.Whenconnectingseveralchillers,refertothefollowingforcommonpipesize.Water pump controlIfthecoldwaterpumpisnotoperatingforalongperiodoftimeoriftheanti-freezeliquidisnotusedasthecoldwater,theanti-freezepumpcontrolmustbeinstalledtopreventthepipefromfreezing.Thevibrationofthepumpcantransfertothepipetocausenoiseindoors.Astheplantopreventthenoisefromspreadinginthepump,installflexiblejointsattheinlet/outletandusetheanti-vibrationamountforthepumpsupport.CAUTIONIfthewinteroutdoortemperatureis0Corbelow,takefollowingmeasurestopreventthepipefromfreezingasshownbelow.-Iftheoutdoortemperatureislow,thecirculationwatercanfreezetodamagetheheatexchangeroftheproductwhentheproductisstopped.Ifthereispossibilityofdamagefromlowoutdoortemperature,operatethepumptopreventthewaterfromfreezing.-Iftheproductdoesnotoperateforalongperiodoftimeduringthewinterseason,removeallthecir-culationwatertopreventthedamageofheatexchangerandpipefromfreezing.-Addanti-freezeadditivetopreventthecirculationwaterfromfreezingduringthewinterseason.Maintainthecoldwaterfluxwithinthedesignedfluxtoensureappropriatechillerperformanceandreducethetubedamagefromrusting,scalingandcorrosion.LGisnotresponsibleforanydamageofchillerfrompoorwaterqualitymanagementorinappropriateprocessingwater.Fullproductcapacity 20RT 40RT 60RT 80RT 100RT 120RT 140RT 160RT 180RTCommonpipesize 65A 80A 100A 100A 125A 125A 125A 150A 150A20 RT 40 RT 60 RT ProductFullproductcapacity 200RT 220RT 240RT 260RT 280RT 300RTCommonpipesize 150A 200A 200A 200A 200A 200A20 RT40 RT 60 RT Product28 _OutdoorUnitInstallation of ChillerAir-Cooled Scroll Chiller (R410A) Air-Cooled Scroll Chiller (R410A)12. Installation of Chiller1)CommunicationcableconnectionRefertotheabovefiguretoconnectthecommunicationcableForthecommunicationcable,distinguish11Aand11Btoconnecttotheslaveunits.2)Use2-lineshieldcableasthecommunicationcable.3)Separatelyinstallthecommunicationandpowercableofthechillersothatthecommunicationcableisnotaffectedbytheelectricnoisegeneratedfrompowercable.(Donotpassthoughthesameelectricpipe)4)Unitcombinationisabletoconnectupto5unitsSlave unit Slave unit11A11B11A11BHMI controller : Field wiringThere is no HMI in Slave units Master unitTerminalBlock TerminalBlock TerminalBlock 11A11BWARNINGElectricworkusingspecialcircuitbasedontheoverallregulationandthismanualmustbedonebyqualifiedelectrician.Ifthecapacityofthepowersupplycircuitisinsufficientorifthereisadefect,itcancauseelectricshockorfire.Unit Combination29 OutdoorUnit _Specification of ProductionAir-Cooled Scroll Chiller (R410A)13. Specification of ProductionManufacturing specification1)UsethepartsandmaterialofKSstandardproductsorequivalentproductsforthosenotspecifiedinthisspecification,andallpartsshouldbedesignedwithstructurethatiseasyforreplacement,repair,andinspection.2)Ifthereisaprobleminthefreezer,orifthereisanabnormalstatusofchilledwatertemperatureandflowamount,etc.,immediatelystopthefreezeroperationandyouhavetobeequippedwithmarkingequipmentorfunctionthatcaneasilyidentifythese.3)ThereshouldbeaprotectioncircuittopreventfreezerdamagebyblackoutorfrequentvoltagevariationfromKEPCO.4)Freezershouldbeabletooperatesilentlywithoutabnormalnoiseorabnormalvibration.5)Freezershouldbecomposedofthecentralcontrollerandthecircuitpossibleforwired/wirelessStart/Stopoperation.6)Easycombinationshouldbepossiblewithcompactproductdesignandmoduletypedesign,andbasicmoduleinsertionandassemblyinstallationshouldbepossibleregardlessofthevolume.7)Itshouldbethestructurepossibleforsubstituteoperationevenifcompressororsomecyclepartsfailandcoolingoperationshouldbepossibleduringpartsreplacement,repair,orinspection.8)Themainpowercableequivalentorabovethespecificationpresentedintheproductspecificationofeachcorrespondingmodelshouldbeusedforthefreezer,eachcommunicationlineandpowercableshouldusecablepipeforprotection,andthecablepipewiththematerialthatcanblockexternalnoiseaccordingtotheinstallationenvironmentshouldbeused.Air cooled type scroll freezer product specification1.Case1)Itshouldhavethestructurethatiseasyfordisassemblyandassemblyforeasymaintenance/repair.2)Itshouldhaveabeautifulexterioranditshouldbeinsulatedtopreventdewcondensation.3)Itshouldhavethestructurepreventingvibrationandabnormalnoise.4)Itshouldhavethestructurethatcanbegrounded.2.Compressor1)R410Arefrigerantshouldbeused,caseshapeshouldbesealedtype,formatshouldbethecombinationoftwoinverterscrollcompressors,itshouldbeflexibletorespondtoload,anditshouldbeahighefficiencysystemthatcanoptimizeenergyefficiencythroughinvertercontrol.2)Vibrationpreventionrubbershouldbeusedtopreventtransferofnoiseandvibrationduringoperation.3)Thefrequencyvariableboundaryofinverterscrollcompressorshouldbeminimum15Hzandmaximum125Hz.4)Alternatingoperationshouldbepossibletohavetheuniformaverageoperationtimeofthecompressors.3.Condenser1)Condenserheatpipeshouldusepurity99.9%orabovePhosphorusDeoxidizedCopperwithoutjoint,anditshouldhavethestructurewithAlfinattachedtoincreasetheheatingarea.(Crossfin&Tubetype)2)UsewidelouverfinforAlfin,andpipeextensionshouldbecarriedoutforefficientheattransfer.3)Condenseraircooledtypeheatexchangerarrangementshouldbe3rows48levels15FPI.4)Thepressureendurancetestforhighpressurepartrefrigerantsideshouldbecarriedoutat4.18MPaorabove(designedpressure3.8MPa),andthereshouldbeproblemssuchasleakageordeformation.30 _OutdoorUnitSpecification of ProductionAir-Cooled Scroll Chiller (R410A)13. Specification of Production5)Thecondensingcoilthatpassedpressureendurancetestshouldbevacuumedtocompletelyremovemoistureinside.6)UsepropellertypeFan,anditshouldbeabletogivesufficientwindamountrequiredforcondensing.Also,itshouldhavesufficientstrengthforthenumberofrotations,anditshouldbeoperatedsilentlythroughbalancetest.7)MotorshouldbeBLDCtypethatcanincreaseefficiency.8)FanandMotorshouldbeconnecteddirectly.4.ElectronicExpansionValve1)Itisthepartthatinsulatesandexpandshighpressurefluidrefrigerantatcondenserexitinlowtemperaturelowpressurestate,andduringcoolingoperation,lineshapeelectronicexpansionvalveshouldbeactivatedtoadjustadequaterefrigerantamountaccordingtotheevaporatorload.2)Basedondataofvarioussensorsinstalledinthefreezer,microcomputerunitshouldbeabletoanalyzeoperationstatusofthesystemandcompressortocontrolthemostadequaterefrigerantamountlinearly.3)Byapplyingelectricpulsesignaltosteppingmotor,itshouldbeabletoplaytheroleofadjustingtherefrigerantflowamount.5.Evaporator1)Evaporatorshouldbeblazingplatetypeheatexchangertype,andthematerialshouldbestainlesssteel.2)Thereshouldbenowaterleakage,andthedurabilityshouldbeguaranteed.3)Itshouldhavethestructurethatcanconnecttochilledwaterpipe.4)Heatexchangershouldbesensibleheatexchangestructurethattherefrigerantandcoolantarenotmixed.5)Itshouldbeastructurethateachofcoolantandrefrigerantareflownintocountercurremstructureheatexchangerandafterheatisexchangedwitheachotherthroughthethinvalveinsideheatexchanger,dischargedoutsideheatexchanger.6)Inthedestructiontest,itshouldendure18MPapressure.6.Controlequipment1)Itisthecontrollertooperateoverallsysteminoptimalconditionwiththemicrocomputerunitinstalledinthefreezer,andbasedonthe4measurementvaluesincludingintakerefrigerantgaspressure,dischargedrefrigerantgaspressure,dischargedrefrigerantgastemperature,andheatexchangerrefrigeranttemperature,itshouldbeabletocontrolelectronicexpansionvalve,compressor(inverter),etc.2)Thereshouldbeafunctionthatcancheckallsensorsconnectedtothefreezerandvariousoperationstatuses.3)Itshouldbeequippedwithselfprotectionequipmentandsystemprotectionfunction.4)Moduletypecontrolinterfaceshouldbeappliedsothatsimpleproductcontrolispossibleinseriesinstallation,andrelocationandre-installationofHMIcontrollershouldbepossiblewithoutseparatecontrolequipment.7.Ref.Piping1)Refrigerantpipeshouldbepurity99.9%orabovePhosphorusDeoxidizedCopperwithoutjoint,anditshouldbepipedforfluentrefrigerantflowbetweeneachcomponent.2)Installcheckvalveatcompressordischargesidetopreventreverseflowofthedischargedrefrigerant.3)Installstrainerinthepipetoabsorbmoistureinsidethepipeandtofilterforeignobjects.4)Thepipefromexpansionvalvetoevaporatorshouldbeinsulatedtopreventmoisturecondensationonthesurfaceofthepipeandtopreventflashgasgenerationofrefrigerantfluidatthesametime.31 OutdoorUnit _Specification of ProductionAir-Cooled Scroll Chiller (R410A)13. Specification of Production5)Liquidinjectionpipethatactivateselectronicvalvetoflowfluidrefrigeranttothesuctionpipewhendischargedgastemperatureisabovetheratedtemperatureshouldbeinstalledtoprotectcompressorandfreezer.6)Aftercompletingthepiping,carryoutthepressureendurancetestonrefrigerantsideat4.18MPaorabove(designedpressure3.8MPa),andthereshouldbenoleakageordeformation.7)Aftercarryingoutair-tighttest,completelyvacuuminsidesothatthereisabsolutelynomoisture.8.Safetydevices1)Refrigerantpressure(Normalrefrigerantpressure)A.HighpressureswitchB.Highvoltageprotection(Sensor)2)TemperatureA.compressordischargetemperatureoverheatingdetection(Sensor)B.IPMtemperaturedetection(Sensor)C.Freezeandburstprotection(Sensor)D.PowerModuleapplication(Sensor)3)ChilledwaterflowA.Chilledwaterflowswitch)4)Voltageandcurrent(controllogic)A.Reverephasedetectionandprotection(Voltagemonitoringsystem)B.Compressorover-currentprotectionC.Fanmotorover-currentprotection5)Fuse32 _OutdoorUnitAppendix - Antifreeze CorrectionsAir-Cooled Scroll Chiller (R410A)14. Appendix - Antifreeze CorrectionsAntifreeze Corrections1.405 1.273 1.174 1.098 1.040Pressure Drop0.968 0.974 0.98 0.987 0.993 CoolingPropylene glycol1.263 1.188 1.124 1.068 1.024 Pressure Drop0.979 0.983 0.987 0.991 0.996 CoolingEthylene glycol1.1601.122 1.091 1.057 1.023 Pressure Drop0.992 0.993 0.995 0.997 0.998 CoolingMethanol50% 40% 30% 20% 10%Antifreeze % by wtItem Antifreeze TypeCorrection FactorAntifreeze % by wt0% 10% 20% 30% 40% 50%1.0000.9900.9800.9700.9600.9500.9400.930MethanolEthylene glycolPrlpylene glycolCorrection factor of cooling capacity33 OutdoorUnit _IntroductionAir-Cooled Scroll Chiller (R410A)14. Appendix Piping DiagramAppendix Piping DiagramAir-Cooled Scroll Chiller (R410A)SSMMMSSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensorCoolingFan motor4 way valvePressure sensorPressure switchSolenoid valveCheck valveStrainerElectonic expantion ValveExpansion valveTemperature sensorWater outletWater inletnACAH020HBAA34 _OutdoorUnitAppendix Piping DiagramAir-Cooled Scroll Chiller (R410A)SSMMMSSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensorCoolingFan motor4 way valvePressure sensorPressure switchSolenoid valveCheck valveStrainerElectonic expantion ValveExpansion valveTemperature sensorWateroutletWaterinletWateroutletWaterinletSSMMSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensornACAH040HBAA14. Appendix Piping Diagram35 OutdoorUnit _IntroductionAir-Cooled Scroll Chiller (R410A)Appendix Piping Diagram14. Appendix Piping DiagramSSMMMSSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensorCoolingFan motor4 way valvePressure sensorPressure switchSolenoid valveCheck valveStrainerElectonic expantion ValveExpansion valveTemperature sensorWateroutletWaterinletWateroutletWaterinletSSMMSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensorWateroutletWaterinletSSMMSub-coolerAccumulatorReceiverPHEXInverterCompressor 1InverterCompressor 2Air CooledCondensornACAH060HBAA36 _OutdoorUnitMemoAir-Cooled Scroll Chiller (R410A)MemoP/No.: MFL67285207Air Conditioner20 Yeouido-dong, Yeongdeungpo-gu,Yeouido P.O.Box 335 Seoul, 150-721, Korea.http://www.lgeaircon.comAll rights reservedPrinted in Korea The specifications, designs, andinformation in this brochure are subject to change without notice.The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance and ISO14001 certificate for environmental management system.August / 2013