LG Multi V 5 User manual

DOASSystemSetting
:DOASSettingcanbedonewithKeypadandWebUIbyconnectingEthernetporttoLaptop
WebUIconfigurationisrecommendedtosetandoperatetheDOASunit
:TheappearanceofDOASControllerissameasAHUComm.kit.However,since
completelydifferentsoftwareisloaded,donottrytoimplementthefunctionsin
AHUComm.kitwithDOASMainmodule.
Don’tchangeanyDipSWSettingonMainModule
:AlltheDOASControlLogicisembeddedinthisMainModule,andittransfersthedata
toCARELControllertoofferWEBUserInterfaceandeasyconfiguration.
:Duringtheunit’soperation,Reddotswillcycleon7‐Segdisplay.
Itisnormaloperationcondition.
LGSplitDOASSetUpReferenceGuide
MultiV5TM SystemSetting
:MultiV5systemautomaticallydetectstheDOASsystemwithout‘AutoAddressing’
ChecktheSWversion ofMV5system,whichisconnectedtoDOASsystem
Note:CH200willoccurifyouproceedautoaddressing,CH200canbeclearedwhenuser
doesa‘FactoryReset’ofHRPCBinDOASunit.
‐.LGSplitRooftopDOAS:ARND30UBE4requireslatest
MV5SWVersion:v.1.47.0(CheckSum:4693)– Productiondate(Mar.’22)
‐.LGSplitCompactDOAS:ARND153DCR4,ARND203DCR4requireslatest
MV5SWVersion:v.1.49.0(CheckSum:2291)– Productiondate(May.’22)
:Donotuse thefollowingfunctionsofMultiV5,whichcouldinterruptproperTargetPressure
controlofDOAS
‐.FN7(AdjustingIndoorunitCapacitybyairflow)
‐.FN8(AdjustingTargetPressure)
‐.FN14(SmartLoadControl)
‐.FN30(HighSensibleOperation)
‐.SE14(LevelChangeofErrorCodeCH200)*DOASunitincludesHRboxinsideoftheunit
‐.ID5(AutoAddressing_methodselection)
‐.ID6(AutoAddressingStart)
:BasedontheDOASFancontrolSettinginODUDefrostmodeatDOASController(WebUI),
FN27willnotactivate
Thisguideisprovidedtoassistintheproperfieldconfigurationofthisproduct.
*MainModule
*WebUI
Thisguideisprovidedasreferencematerial.Pleasefollowtheinstructionsintheapplicablemanual(s)topreventproductmalfunction,
propertydamage,injury,ordeathtotheuserorotherpeople.Incorrectoperationduetoignoringanyinstructionswillcauseharmordamage.
Forcontinualdevelopment,LGElectronicsU.S.A.,Inc.reservestherighttochangespecificationswithoutnotice.

:Iftwodifferenttypesofsensorsareinstalled,unitwillcontrolandmonitorthevalueonWEBUI
‐.SpaceAirTemperaturesensorPriority:NTCType>0~10VType
‐.SupplyAirTemperatureSensorPriority:0~10VType>NTCType
DOASwillbecontrolledandmonitored(WebUI)withHigherPriorityvalue
LGSplitRooftopDOAS
LGSplitCompactDOAS
:BeSuretoSet‘Installed’attheConfigurationon‘WebUI’ifuserneedstouse3rd partysensor.
Ifnot,DOASwillnotdetect3rd partysensorvalue(e.g SpaceTemperature,Humidity,CO2,etc.)
3rd party
Sensor
LGSplitDOASSetUpReferenceGuide

‐.Cooling:If‘OA+HeatCoolDeadband1)/2’Temp.ishigherthenTargetTemperatureUnitwillbeinCooling
‐.Heating:If‘OA–HeatCoolDeadband1)/2’Temp.islowerthenTargetTemperature,UnitwillbeinHeating
Therearetwowaystoensureproperperformanceundercertainoperatingmode(s).
1)ChangeyourTargettemperaturesothatunitcanchangethemode.
2)Use‘ManualOverride’tochangeOutsideAirConditiononWebUI.
OAtemperaturecanbemanuallyoverriddeninordertoenterCoolingorHeatingMode.
TargetTemp.
Configuration
ManualOverride
TestRun
LGSplitDOASSetUpReferenceGuide
DOASOperation
Followinginstallation,DOASconfigurationandtestingincludestheprocess
identifiedbelow.
1.ConnecttheEthernetlinetoCARELControllerandLaptop
2.CheckIPAddressonCAREL*,copyittoChromeBrowserinyourLaptop
*ClickMenubuttononCARELcontroller[]Ctrl.VariableNetworkCheckIPaddress
3.Loginwith‘Servicemanager’accountforconfiguration(PW:7600)
4.UnitPartsCheck(ServiceTestRun)
‐.RooftopDOAS:Dampers(OA/EA/MA)Fans(SA/EA)WheelCoils(Main/Reheat/Recovery)
‐.CompactDOAS:SAFanMainCoil#1ReheatCoil
DuringTestRununitautomaticallycheckthepartsfaultbyitsinput/outputsignal(feedback)
5.ChecktheSimpleUnitOperation(SupplyAirControl)
1)ServiceManagerloginServiceConfigurationSeethe‘TemperatureControl’SectionSetvalueof‘HeatCooldeadband’
SetOATemp:62F
OATempchangeto:62F
Unitgoeson
‘Heating’mode
[ManualOverride]
Continued……
TestRun

DOASOperation
Followinginstallation,DOASconfigurationandtestingincludestheprocess
identifiedbelow.
5.ChecktheSimpleUnitOperation(SupplyAirControl)
‐.Dehumidification:DefaultSettingofActivatingDehumidificationmodeisbasedonOADewPoint.
DewpointiscalculatedbyOATempandOAHumidity.WhenOAtempisgreaterthandewpoint setpoint(e.g 60F),
unitentersdehumidificationmode.
Indehumidificationmode,thereisaseparatetargettemperature,whichisMainCoilTemperature.
UnitwillcooldowntoCoolingCoiltemperatureandthenreheattotheTargettemperature,under
Cooling/HeatingTargetTemperature.
LGSplitDOASSetUpReferenceGuide
DewPoint:60F
IfOAdewpointisover(e.g 60F)
Dehumidificationmodeisactivated
DOASUnitoperatestocooldown
by55FbyMainCoilfordehumidification
3.Reheatto72FbyHotgasreheatCoil
NOTE: ToControltheUnitbaseonSpaceHumidityorenthalpyfordehumidificationmode,a3rd
partySensormustbeinstalled.
‐.Additionally,checkwhethertheunitenterstheDehumidificationmodeproperlywiththeManualOverride
function.IftheOAdewpointissetas60Fforactivatingdehumidificationmode,OAdewpointshouldbehigherinorder
toenterdehumidificationmode.Thereisnowaytosetdewpointdirectlyonmanualoverride,pleaserefertothe
‘DewpointCalculator’ontheSupportMenuonWebUI.There,theadjustmentoftheTemp.andHumiditywillsetup
dewpoint.
‐.Whileadjustingthetemperatureandhumidity
values,checkwhetherthedewpointishigher
thanthevaluewesetintheWebUI,andifitis,
putthetemperatureandhumidityvaluesin
Manualoverride andcheckthattheunit
entersdehumidificationmode.
Temperature
RelativeHumidity
Dewpoint
Support

DOASOperation
Followinginstallation,DOASConfigurationandtestingincludestheprocess
identifiedbelow.
6.LGMVdata
LGSplitDOASSetUpReferenceGuide
DOASUnitsetsitsfirsttargetbasedon
OATemperatureCondition.
TheUnitwillthenperiodicallychangeits
targetPressurebasedonthedifference
betweenitstargetTemperatureand
currentSupplyTemperature.
DefaultControlCycleis180sec
andevery180secDOASunitsendsa
TargetPressurebasedontheTargetand
CurrentTemperaturedifference.
DOASandODUstatuscanbemonitoredbybothWebUIandLGMV
DOASUnitstatusisshownatIDUinfo.
CompactDOAS
‐IDU1:MainCoil
‐IDU2:ReheatCoil
RooftopDOAS
‐IDU1:MainCoil#1
‐IDU2:ReheatCoil
‐IDU3:RecoveryCoil
‐IDU4:MainCoil#2
[Cooling/Dehumidification] [Heating]

LGSplitDOASSetUpReferenceGuide
On BoardingProcess
Thesoftware’sversioncanbefoundonyourWebUIandCARELcontroller.The
latestversionofDOASSWFirmwareis(May’22);
‐.CAREL:1.1.0.3
‐.MainModule:1.4
HowtoupgradetheSW?
‐.CAREL(viaUSB)
1.SavethelatestCARELfirmwareinafoldercreatedwiththename‘UPGRADE’
intheUSB
*Firmware: LGDOAS_Carel_App_ver_1.1.0.3.ap1
2.ConnectCARELandUSB*MicroUSBMaletoUSBFemaleOTGadapterisrequired.
ToCAREL
USB
3.Pressbothbuttonsatthesametime(3sec)
4.Goto‘Upgrade’(↑or ↓)thanPress()
5.Checkthefirmwareandconfirm()
Updatetakesaround10minutes.
‐.CAREL(viaFTP)*CARELControllerandPC(Laptop)shouldbeconnectedwithanEthernetline
1.DownloadFTPprogram(https://filezilla-project.org/) on your laptop
2.launch‘Filezilla’Click‘Sitemanager’Icon()
3.Click‘NewSite’InputHostIPaddress(sameasCAREL)Click‘Connect’
4.DragandDropthefirmwarefromPCto‘UPGRADE’folderinCAREL
X X
apple C‐type
X
Camera
O
5pin
Sitemanager
①
②
③
④
⑤
Select’SW’onlaptop
⑦
⑥
‘UPGRADE’Folder
DragandDropthe‘SW’into
‘UPGRADE’folderofCAREL
5.Followthesamestepfrom3to5asupgradeprocessviaUSB

4.Goto‘Config’‘SelectUART’
5.SelectcompatibleUARTPortClick‘config’
LGSplitDOASSetUpReferenceGuide
On BoardingProcess
‐.MainModule(viaLGMV)
1.Activatetheprogram(RFPGUI)onyourPC(Laptop)
2.Goto‘Config’‘SelectDevice’
3.Select‘RX210_Series’ClickDevice‘R5F5210AB’Click‘OK’
6.Select38400at‘Byte/sec’CategoryClick‘OK’
*Recommendcommunicationspeedisbelow38400
7.Click‘CodeFlash’SelectFirmware(e.g [DOAS]Main_SAA39108423_1D9D_0xD0F870DE_MP1_20211113)
‐.HardwareSetting
1.DipSW#1On
2.ConnectLGMVandCN_UART
3.AfterFinishingOnboarding,disconnectLGMVandsetbackDIPSW#1Off
8.Click‘Start’Check‘OK’isappearedafterupgrade

ProcedureafterupgradingCARELsoftware
LGSplitDOASSetUpReferenceGuide
①
②
③
④
⑤
①ClicktheButton②Moretools③Developertools
④ClicktheButtonfor3Seconds⑤EmptyCacheandHardReload
AfteraFirmwareupdateuserneedstorefreshtheChromeBrowsercache.
Otherwise,thereisnochangeorblankedscreenwillpopuponyourWebUI

1. PowerOffofDOASunit
2. Set8‐PinDipswitchOn(4,5,6)
3. Push2buttonssimultaneouslyformorethan1second.
4. 7segmentdisplayshowswhethertheHRPCBResetisasuccessornot.
‐.Succeed:7Segmentdisplay‘rE’
‐.Fail:7Segmentdisplay‘Er’
5. AfterHRPCBresetissucceeded,turnbackthedipswitchsetting.
6. PoweronofDOASunit.
LGSplitDOASSetUpReferenceGuide
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HowtoresettheHRPCBinDOAS