Sungrow SG5.0RT, SG17RT, SG4.0RT, SG12RT, SG10RT User guide

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Page 1

4.Qibtf!QW!Hsje.Dpoofdufe!Jowfsufs

Vtfs!Nbovbm

SG3.0RT / SG4.0RT / SG5.0RT / SG6.0RT / SG7.0RT / SG8.0RT / SG10RT / SG12RT / SG15RT / SG17RT / SG20RT

WWW.SUNGROWPOWER.COM

SG3.0-20RT-UEN-Ver13-202104

Page 2

Page 3

AllRightsReserved

AAllllRRiigghhttssRReesseerrvveedd

Nopartofthisdocumentcanbereproducedinanyformorbyanymeanswithoutthe

priorwrittenpermissionofSungrowPowerSupplyCo.,Ltd(hereinafter"SUNGROW").

TTrraaddeemmaarrkkss

andotherSungrowtrademarksusedinthismanualareownedby

SUNGROW.

Allothertrademarksorregisteredtrademarksmentionedinthismanualareownedby

theirrespectiveowners.

SSooffttwwaarreeLLiicceennsseess

• It is prohibitedto use datacontained in firmwareor software developedby

SUNGROW,inpartorinfull,forcommercialpurposesbyanymeans.

• Itisprohibitedtoperformreverseengineering,cracking,oranyotheroperationsthat

compromisetheoriginalprogramdesignofthesoftwaredevelopedbySUNGROW.

Page 4

AboutThisManual

Themanualmainlycontainstheproductinformation,aswellasguidelinesforinstallation,

operationandmaintenance.Themanualdoesnotincludecompleteinformationabout

thephotovoltaic(PV)system.Thereadercangetadditionalinformationaboutother

devicesatwwwwww..ssuunnggrroowwppoowweerr..ccoommoronthewebpageoftherespectivecomponent

manufacturer.

VVaalliiddiittyy

Thismanualisvalidforthefollowinginvertermodels:

• SG3.0RT

• SG4.0RT

• SG5.0RT

• SG6.0RT

• SG7.0RT

• SG8.0RT

• SG10RT

• SG12RT

• SG15RT

• SG17RT

• SG20RT

Theywillbereferredtoas"inverter"hereinafterunlessotherwisespecified.

TTaarrggeettGGrroouupp

Thismanualisintendedforinverterownerswhowillhavetheabilitytointeractwiththe

inverterandqualifiedpersonnelwhoareresponsiblefortheinstallationand

commissioningoftheinverter.Qualifiedpersonnelshouldhavethefollowingskills:

• Trainingforinstallationandcommissioningofelectricalsystem,aswellasdealing

withhazards

• Knowledgeofthemanualandotherrelateddocuments

• Knowledgeofthelocalregulationsanddirectives

HHoowwttooUUsseeTThhiissMMaannuuaall

Readthemanualandotherrelated documentsbeforeperforminganyworkonthe

inverter.Documentsmustbestoredcarefullyandbeavailableatalltimes.

Contentsmaybeperiodicallyupdatedorrevisedduetotheproductdevelopment.The

manualcontentofsubsequentversionsoftheinvertermaybesubjecttochange.The

latestmanualcanbefoundat

ssuuppppoorrtt..ssuunnggrroowwppoowweerr..ccoomm.

Page 5

SSyymmbboollss

Importantinstructionscontainedinthismanualshouldbefollowedduringinstallation,

operationandmaintenanceoftheinverter.Theywillbehighlightedbythefollowing

symbols.

Indicatesahazardwithahighlevelofriskthat,ifnotavoided,willresultindeath

orseriousinjury.

Indicatesahazardwithamediumlevelofriskthat,ifnotavoided,couldresultin

deathorseriousinjury.

Indicatesahazardwithalowlevelofriskthat,ifnotavoided,couldresultin

minorormoderateinjury.

Indicatesasituationthat,ifnotavoided,couldresultinequipmentorproperty

damage.

Indicatesadditionalinformation,emphasizedcontentsortipsthatmaybe

helpful,e.g.tohelpyousolveproblemsorsavetime.

III

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Page 7

CCoonntteennttss

AllRightsReserved.....................................................................................................I

AboutThisManual.....................................................................................................II

1Safety..............................................................................................................1

1.1PVPanels.....................................................................................................1

1.2UtilityGrid....................................................................................................1

1.3Inverter........................................................................................................2

2ProductDescription....................................................................................4

2.1SystemIntroduction.....................................................................................4

2.2ProductIntroduction.....................................................................................5

2.3SymbolsontheProduct...............................................................................7

2.4LEDIndicator...............................................................................................8

2.5CircuitDiagram............................................................................................8

2.6FunctionDescription....................................................................................9

3UnpackingandStorage...........................................................................12

3.1UnpackingandInspection..........................................................................12

3.2InverterStorage.........................................................................................12

4MechanicalMounting..............................................................................13

4.1SafetyduringMounting..............................................................................13

4.2LocationRequirements..............................................................................13

4.2.1EnvironmentRequirements...............................................................13

4.2.2CarrierRequirements........................................................................14

4.2.3AngleRequirements.........................................................................14

4.2.4ClearanceRequirements..................................................................15

4.3InstallationTools.........................................................................................16

4.4MovingtheInverter....................................................................................17

4.5InstallingtheInverter..................................................................................17

5ElectricalConnection...............................................................................20

5.1SafetyInstructions......................................................................................20

5.2TerminalDescription...................................................................................20

5.3ElectricalConnectionOverview..................................................................22

5.4AdditionalGroundingConnection...............................................................23

Page 8

5.4.1AdditionalGroundingRequirements..................................................24

5.4.2ConnectionProcedure......................................................................24

5.5ACCableConnection.................................................................................25

5.5.1ACSideRequirements......................................................................25

5.5.2AssemblingtheACConnector(<15kW)..........................................26

5.5.3InstallingtheACConnector(<15kW)...............................................28

5.5.4AssemblingtheACConnector(≥15kW).........................................29

5.5.5InstallingtheACConnector(≥15kW)..............................................31

5.6DCCableConnection.................................................................................33

5.6.1PVInputConfiguration......................................................................34

5.6.2AssemblingthePVConnectors.........................................................35

5.6.3InstallingthePVConnectors.............................................................36

5.7WiNet-SConnection..................................................................................38

5.7.1EthernetCommunication..................................................................38

5.7.2WLANCommunication.....................................................................40

5.8WiFiConnection(forBrazil)........................................................................40

5.9MeterConnection......................................................................................41

5.9.1AssemblingtheCOMConnector.......................................................41

5.9.2InstallingtheCOMConnector...........................................................43

5.10RS485Connection...................................................................................44

5.10.1RS485CommunicationSystem......................................................44

5.10.2AssemblingtheCOMConnector.....................................................45

5.10.3InstallingtheCOMConnector.........................................................48

5.11DOConnection.........................................................................................49

5.12DRMConnection......................................................................................50

5.13DIConnection..........................................................................................50

6Commissioning...........................................................................................54

6.1InspectionbeforeCommissioning...............................................................54

6.2PoweringontheSystem.............................................................................54

6.3AppPreparation.........................................................................................55

6.4CreatingaPlant..........................................................................................55

6.5InitializingtheDevice..................................................................................58

6.6ConfiguringthePlant..................................................................................61

7iSolarCloudApp..........................................................................................65

7.1BriefIntroduction........................................................................................65

7.2InstallingtheApp........................................................................................65

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7.3AccountRegistration..................................................................................66

7.4Login..........................................................................................................67

7.4.1Requirements...................................................................................67

7.4.2LoginProcedure...............................................................................67

7.5InitialSettings.............................................................................................69

7.6FunctionOverview.....................................................................................69

7.7Home.........................................................................................................70

7.8RunInformation.........................................................................................71

7.9Records.....................................................................................................72

7.10More........................................................................................................75

7.10.1SystemParameters........................................................................75

7.10.2OperationParameters....................................................................76

7.10.3PowerRegulationParameters.........................................................77

7.10.4CommunicationParameters...........................................................82

7.10.5FirmwareUpdate............................................................................82

8SystemDecommissioning......................................................................84

8.1DisconnectingtheInverter..........................................................................84

8.2DismantlingtheInverter..............................................................................85

8.3DisposaloftheInverter...............................................................................85

9TroubleshootingandMaintenance......................................................86

9.1Troubleshooting.........................................................................................86

9.2Maintenance..............................................................................................90

9.2.1MaintenanceNotices........................................................................90

9.2.2RoutineMaintenance........................................................................91

9.2.3FanMaintenance.............................................................................91

10Appendix....................................................................................................94

10.1TechnicalData.........................................................................................94

10.2QualityAssurance..................................................................................104

10.3ContactInformation...............................................................................105

VII

Page 10

Page 11

Safety

Thedevicehas beendesigned andtested strictlyaccording tointernational safety

regulations.Readallsafetyinstructionscarefullypriortoanyworkandobservethemat

alltimeswhenworkingonorwiththedevice.

Incorrectoperationorworkmaycause:

• Injuryordeathtotheoperatororathirdparty;

• Damagetothedeviceandotherproperties.

Alldetailedwork-relatedsafetywarningsandnotesarespecifiedatcriticalpointsinthis

manual.

Thesafetyinstructionsinthismanualcannotcoveralltheprecautionsthat

shouldbefollowed.Performoperationsconsideringactualonsiteconditions.

SUNGROWshallnotbeheldliableforanydamagecausedbyviolationofthe

safetyinstructionsinthismanual.

1.1PVPanels

PVstringswillproduceelectricalpowerwhenexposedtosunlightandcan

causealethalvoltageandanelectricshock.

• Alwayskeep inmindthat theinverteris dualpowersupplied.Electrical

operatorsmustwearproperpersonalprotectiveequipment:helmet,

insulatedfootwear,gloves,etc.

• BeforetouchingtheDCcables,operatormustuseameasuringdeviceto

ensurethatthecableisvoltage-free.

• TheopeatormustfollowallwarningsonthePVstringsandinitsmanual.

1.2UtilityGrid

Followtheregulationsrelatedtotheutilitygrid.

Page 12

1SafetyUserManual

Allelectricalconnectionsmustbeinaccordancewithlocalandnational

standards.

Onlywiththepermissionofthelocalutilitygridcompany,theinvertercanbe

connectedtotheutilitygrid.

1.3Inverter

Dangertolifefromelectricshocksduetolivevoltage

Donotopentheenclosureatanytime.Unauthorizedopeningwillvoidwarranty

andwarrantyclaimsandinmostcasesterminatetheoperatinglicense.

Riskofinverterdamageorpersonalinjury

• DonotconnectordisconnectthePVandACconnectorswhentheinverteris

running.

• Waitatleast10minutesfortheinternalcapacitorstodischargeafterall

electricdevicesareremovedandtheinverterispoweredoff.

• Ensurethatthereisnovoltageorcurrentbeforeconnectingordisconnecting

thePVandACconnectors.

Allsafetyinstructions,warninglabels,andnameplateontheinverter:

• Mustbeclearlylegible.

• Shouldnotberemovedorcovered.

Riskofburnsduetohotcomponents!

Donottouchanyhotparts(suchastheheatsink)duringoperation.OnlytheDC

switchcansafelybetouchedatanytime.

Page 13

UserManual1Safety

Onlyqualifiedpersonnelcanperformthecountrysetting.Unauthorized

alterationmaycauseabreachofthetype-certificatemarking.

Riskofinverterdamageduetoelectrostaticdischarge(ESD)!

Bytouchingtheelectroniccomponents,youmaydamagetheinverter.For

inverterhandling,besureto:

• avoidanyunnecessarytouching;

• wearagroundingwristbandbeforetouchinganyconnectors.

Page 14

ProductDescription

2.1SystemIntroduction

Theinverterisatransformerless3-phasePVgrid-connectedinverter.Asanintegral

componentinthe PVpowersystem, theinverter isdesignedto convertthe direct

currentpowergeneratedfromthePVmodulesintogrid-compatibleACcurrentand

feedstheACcurrenttotheutilitygrid.

• TheinvertermustonlybeoperatedwithPVstringswithclassIIprotectionin

accordancewithIEC61730,applicationclassA.Itisnotallowedforthe

positivepoleorthenegativepoleofthePVstringstobegrounded.Thiscan

causedamagetotheinverter.

• DamagestotheproductduetoafaultyordamagedPVinstallationarenot

coveredbywarranty.

• Anyuseotherthantheonedescribedinthisdocumentisnotpermitted.

Theintendedusageoftheinverterisillustratedinthefollowingfigure.

FFiigguurree22--11InverterApplicationinPVPowerSystem

IItteemm

BInverter

Thefollowingfigureshowsthecommongridconfigurations.

DDeessccrriippttiioonn

PVstrings

MeteringdeviceMetercupboardwithpowerdistributionsystem

Utilitygrid

NNoottee

Compatiblewithmonocrystallinesilicon,polycrystalline

silicon,andthin-filmmoduleswithoutgrounding

SG3.0RT,SG4.0RT,SG5.0RT,SG6.0RT,SG7.0RT,

SG8.0RT,SG10RT,SG12RT,SG15RT,SG17RT,SG20RT

TT,TN-C，TN-S，TN-C-S

Page 15

UserManual2ProductDescription

2.2ProductIntroduction

MMooddeellDDeessccrriippttiioonn

Themodeldescriptionisasfollows(takeSG10RTasanexample):

AAppppeeaarraannccee

Thefollowingfigureshowsthedimensionsoftheinverter.Theimageshownhereisfor

referenceonly.Theactualproductreceivedmaydiffer.

Page 16

2ProductDescriptionUserManual

FFiigguurree22--22InverterAppearance

NNoo..NNaammee

DDeessccrriippttiioonn

Toclearlyidentifytheproduct,includingdevicemodel,S/

Nameplate

N,importantspecifications,marksofcertification

institutions,etc.

2LEDindicator

Hanger

4Label

5DCswitch

Electrical

connectionarea

7Fans

Toindicatethecurrentworkingstateoftheinverter.

Complementtotheincludedwall-mountingbracketfor

hangingtheinverter.

InformationaboutCCOOMM22pindefinition,supportedDRM

modes,etc.

TosafelydisconnecttheDCcircuitwhenevernecessary.

DCterminals(SG20RTforexample),ACterminal,

additionalgroundingterminalandcommunication

terminals.

Optimizationoftheinverter’sheatdissipation.Onlythe

SG15RT,SG17RTandSG20RTareequippedwithfans.

DDiimmeennssiioonnss

Thefollowingfigureshowsthedimensionsoftheinverter.

Page 17

UserManual2ProductDescription

FFiigguurree22--33DimensionsoftheInverter(inmm)

2.3SymbolsontheProduct

SSyymmbboollEExxppllaannaattiioonn

Regulatorycompliancemark.

TÜVmarkofconformity.

CEmarkofconformity.

Donotdisposeoftheinvertertogetherwithhouseholdwaste.

Theinverterdoesnothaveatransformer.

Disconnecttheinverterfromalltheexternalpowersources

beforemaintenance!

Readtheusermanualbeforemaintenance!

Burndangerduetothehotsurfacethatmayexceed60℃.

Page 18

2ProductDescriptionUserManual

SSyymmbboollEExxppllaannaattiioonn

Dangertolifeduetohighvoltages!

Donottouchlivepartsfor10minutesafterdisconnection

fromthepowersources.

Onlyqualifiedpersonnelcanopenandmaintaintheinverter.

Additionalgroundingpoint.

*Thetableshownhereisforreferenceonly.Theactualproductreceivedmaydiffer.

2.4LEDIndicator

TheLEDindicatoronthefrontoftheinverterindicatestheworkingstateoftheinverter.

Table2-1StatedescriptionoftheLEDindicator

LLEEDDccoolloorrSSttaatteeDDeeffiinniittiioonn

Theinverterisoperatingnormally.

Blue

Red

Gray

2.5CircuitDiagram

Thefollowingfigureshowsthemaincircuitoftheinverter.

Flashing

Off

Theinverterisatstandbyorstartupstate(not

feedingpowerintothegrid).

Asystemfaulthasoccured.

BoththeACandDCsidesarepowereddown.

Page 19

UserManual2ProductDescription

FFiigguurree22--44CircuitDiagram(SG5.0RTforexample)

• TheDCswitchisusedtosafelydisconnecttheDCcircuit.

• TheMPPTisutilizedforDCinputtoensurethemaximumpowerfromthePVarrayat

differentPVinputconditions.

• TheinvertercircuitconvertstheDCpowerintoACpowerandgeneratesACpowerto

loadsorutilitygridthroughtheACterminal.

• Theprotectioncircuitensuresthesafeoperationofthedeviceandpersonalsafety.

2.6FunctionDescription

BBaassiiccFFuunnccttiioonn

• Conversionfunction

TheinverterconvertstheDCpowerfromthePVarraytotheACpower,inconformity

withthegridrequirements.

• Datastorage

Theinverterlogsrunninginformation,errorrecords,etc.

• Parameterconfiguration

Theinverterprovidesvariousparameterconfigurationsfor optimaloperation.

ParameterscanbesetviatheiSolarCloud Apporthecloudserver. Forfurther

configurations,whichexceedstheusualparametersconfiguration,pleasecontact

Sungrow.

• Communicationinterface

Theinverter isequippedwithtwo communicationinterfaces.Thecommunication

devicecanbeconnectedtotheinverterviabothinterfaces.

Aftercommunicationconnectionisestablished,userscanviewinverterinformation,

operationaldataandcansetinverterparametersthroughtheiSolarCloud.

ItisrecommendedtousethecommunicationmodulefromSUNGROW.

Usingadevicefromothercompaniesmayleadtocommunicationfailure

orotherunexpecteddamage.

Page 20

2ProductDescriptionUserManual

• ProtectionFunction

Severalprotectivefunctions areintegrated intheinverter, includingshort circuit

protection,grounding insulationresistancemonitoring, residualcurrentprotection,

gridmonitoring,DCovervoltage/overcurrentprotection,etc.

EEaarrtthhFFaauullttAAllaarrmm

TheinverterisequippedwithaDOrelayforthelocalearthfaultalarm.Theadditional

equipmentrequiredisalightindicatorand/orabuzzerthatneedsadditionalpower

supply.

After theconnection, if the earthfault occurs, theDO dry-contact willswitch on

automaticallytosignaltheexternalalarm.

DDRRMM((""AAUU""//""NNZZ""))

TheDRMfunctionisonlyapplicabletoasingleinverter.

TheinverterprovidesterminalsforconnectingtoaDemandResponseEnablingDevice

(DRED).Aftertheconnection,theDREDassertsdemandresponsemodes(DRMs).The

inverterdetectsandinitiatesaresponsetoallsupporteddemandresponsemodeslisted

inthefollowingtable.

Table2-2DemandResponseModeExplanation

MMooddeeEExxppllaannaattiioonn

DRM0Theinverterisinthestateofstandby.

RRiipppplleeCCoonnttrrooll

Theinverterprovidesterminals(DRM)forconnectingtoaRippleControlReceiver(RCR).

Aftertheconnection,thegriddispatchingcenterissuesregulationinstructionsviadry

contact (DI).The inverter cancontrol power outputaccording to thelocal preset

instructions.

PPIIDDRReeccoovveerryy

• Forpositivevoltagescheme,afterthePIDfunctionisenabled,thevoltagetoground

ofallPVstringsisgreaterthan0,andthereforethePVstring-to-groundvoltageisa

positivevalue.

• Fornegativevoltagescheme,afterthePIDfunctionisenabled,thevoltagetoground

ofallPVstringsislowerthan0,andthereforethePVstring-to-groundvoltageisa

negativevalue.

Page 21

UserManual2ProductDescription

• BeforeenablingthePIDrecoveryfunction,makesurethevoltagepolarityof

thePVmodulestogroundmeetsrequirement.Ifthereareanyquestions,

contactthePVmodulemanufacturerorreaditscorrespondingusermanual.

• Ifthe voltageschemefor thePID recoveryfunction doesnotmeet the

requirementofcorrespondingPVmodules,thePIDfunctionwillnotworkas

expectedorevendamagethePVmodules.

Whenthe inverteris notrunning, thePID modulewillapply inversevoltage toPV

modules,torestorethedegradedmodules.

• IfthePIDrecoveryfunctionisenabled,itonlyworksatnight.

• AfterthePIDrecoveryfunctionisenabled,thevoltageofthePVstringsto

groundis500VDCbydefault,andthedefaultvaluecanbemodified

throughtheApp.

Page 22

UnpackingandStorage

3.1UnpackingandInspection

Thedevice isthoroughly testedand strictlyinspected beforedelivery. Nonetheless,

damagemaystilloccurduringshipping.Forthisreason,pleaseconductathorough

inspectionafterreceivingthedevice.

• Checkthepackingcaseforanyvisibledamage.

• Checkthescopeofdeliveryforcompletenessaccordingtothepackinglist.

• Checktheinnercontentsfordamageafterunpacking.

ContactSUNGROWorthetransportcompanyincaseofanydamageor

incompleteness,andprovidephotostofacilitateservices.

Donotdisposeoftheoriginalpackingcase.Itisrecommendedtostorethedeviceinthe

originalpackingcasewhenthedeviceisdecommissioned.

3.2InverterStorage

Properstorageisrequirediftheinverterisnotinstalledimmediately.

• Storetheinverterintheoriginalpackingcasewiththedesiccantinside.

• The storage temperaturemust be alwaysbetween -30℃ and +70℃,and the

storagerelativehumiditymustbealwaysbetween0and95%,non-condensing.

• Incaseofstackingstorage,thenumberofstackinglayersshouldneverexceedthe

limitmarkedontheoutersideofthepackingcase.

• Thepackingcaseshouldbeupright.

• Iftheinverterhasbeenstoredmorethanhalfayear,thequalifiedpersonnelshould

thoroughlycheckandtestitbeforeinstallation.

Page 23

MechanicalMounting

4.1SafetyduringMounting

Makesurethereisnoelectricalconnectionbeforeinstallation.

Inordertoavoidelectricshockorotherinjury,makesurethatholeswillnotbe

drilledoveranyelectricityorplumbinginstallations.

Riskofinjuryduetoimproperhandling

• Alwaysfollowtheinstructionswhenmovingandpositioningtheinverter.

• Improperoperationmaycauseinjuriesorseriouswounds.

Inthecaseofpoorventilation,thesystemperformancemaycompromise.

• Keeptheheatsinksuncoveredtoensureheatdissipationperformance.

4.2LocationRequirements

Selectanoptimalmountinglocationforsafeoperation,longservicelifeandexpected

performance.

• TheinverterwithprotectionratingIP65canbeinstalledbothindoorsandoutdoors.

• Installtheinverterataplaceconvenientforelectricalconnection,operation,and

maintenance.

4.2.1 EnvironmentRequirements

• Theinstallationenvironmentmustbefreeofinflammableorexplosivematerials.

• Thelocationshouldbenotaccessibletochildren.

Page 24

4MechanicalMountingUserManual

• Theambienttemperatureandrelativehumiditymustmeetthefollowing

requirements.

• Avoiddirectexposuretosun,rainandsnow.

• Theinvertershouldbewellventilated.Ensureaircirculation.

• Neverinstall theinverterin livingareas. Theinverter willgenerate noiseduring

operation,affectingdailylife.

4.2.2 CarrierRequirements

Theconcretewallshouldbecapableofwithstandingaforceoffourtimestheweightof

theinverterandbesuitableforthedimensionsoftheinverter.

Theinstallationcarriershouldmeetthefollowingrequirements:

4.2.3 AngleRequirements

Install the inverter vertically. Never install the inverterhorizontally, or at forward/

backwardtilted,sidetilted,orupsidedown.

Page 25

UserManual4MechanicalMounting

4.2.4 ClearanceRequirements

Reserveenough clearancearound theinverter toensure sufficientspace forheat

dissipation.

Incaseofmultipleinverters,reservespecificclearancebetweentheinverters.

Page 26

4MechanicalMountingUserManual

Installthe inverterat anappropriateheight forease ofviewing LEDindicatorand

operatingswitch(es).

4.3InstallationTools

Installationtoolsincludebutarenotlimitedtothe followingrecommendedones.If

necessary,useotherauxiliarytoolsonsite.

Table4-1Toolspecification

Goggles

EarplugsDustmaskProtectivegloves

InsulatedshoesUtilityknifeMarkerWriststrap

WirecutterWirestripperHydraulicplierRubbermallet

Hammerdrill

(φ10)

Phillipsscrewdriver

(M3,M4,M6)

Electricscrewdriver

(M3,M4,M6)

Wrench(30mm,

35mm,46mm)

RJ45crimpingtoolVacuumcleanerMeasuringtapeHeatshrinktubing

Page 27

UserManual4MechanicalMounting

Heatgun

crimpingtool(4

mm2–6mm2)

Slotted

screwdriver(M2)

4.4MovingtheInverter

Beforeinstallation, removethe inverterfrom thepacking caseandmove itto the

installationsite.Followtheinstructionsbelowasyoumovetheinverter:

• Alwaysbeawareoftheweightoftheinverter.

• Lifttheinverterusingthehandlespositionedonbothsidesoftheinverter.

• Movetheinverterbyoneortwopeopleorbyusingapropertransporttool.

• Donotreleasetheequipmentunlessithasbeenfirmlysecured.

MC4terminal

wrench

Tubeterminal

crimpingtool(0.5

mm2–1.0mm2)

Multimeter(≥

1100Vdc)

4.5InstallingtheInverter

Inverterisinstalledonthewallbymeansofwall-mountingbracketandtheexpansion

plugsets.

Theexpansionplugsetshownbelowisrecommendedfortheinstallation.

(1)Self-tapping

screwM6

(2)Expansiontube(3)Fenderwasher(4)Springwasher

Page 28

4MechanicalMountingUserManual

Step1Placethewall-mountingbrackettoaproperpositiononthewall.Observethelevelon

thebracketandadjustuntilthebubbleisinthemiddleposition.Markthepositionsand

drilltheholes.

Thedepthoftheholesshouldbeabout70mm.

Step2Placetheexpansiontubesintotheholes.Thensecurethewall-mountingbrackettothe

wallfirmlywiththeexpansionboltsets.

Step3Lifttheinverterandslideitdownalongthewall-mountingbrackettomakesurethey

matchperfectly.Usethefastenersettolockthedevice.

Page 29

UserManual4MechanicalMounting

----EEnndd

Page 30

ElectricalConnection

5.1SafetyInstructions

Priorto anyelectricalconnections, keepinmind thattheinverter hasdualpower

supplies. It is mandatory for thequalified personnel to wear personal protective

equipments(PPE)duringtheelectricalwork.

Dangertolifeduetoahighvoltageinsidetheinverter!

• ThePVstringwillgeneratelethalhighvoltagewhenexposedtosunlight.

• Beforestarting electricalconnections,disconnect theDCand ACcircuit

breakersandpreventthemfrominadvertentreconnection.

• Ensurethatallcablesarevoltagefreebeforeperformingcableconnection.

• Anyimproperoperationsduringcableconnectioncancausedevicedamage

orpersonalinjury.

• Onlyqualifiedpersonnelcanperformcableconnection.

• All cablesmust be undamaged, firmlyattached, properly insulatedand

adequatelydimensioned.

ComplywiththesafetyinstructionsrelatedtothePVstringsandtheregulations

relatedtotheutilitygrid.

• Allelectricalconnections mustbe inaccordance withlocal andnational

standards.

• Onlywiththepermissionofthelocalutilitygridcompany,theinvertercanbe

connectedtotheutilitygrid.

5.2TerminalDescription

Allelectricalterminalsarelocatedatthebottomoftheinverter.

Page 31

UserManual5ElectricalConnection

FFiigguurree55--11Terminals(SG20RTforexample)

*Theimageshownhereisforreferenceonly.Theactualproductreceivedmaydiffer.

Table5-1TerminalDescription

DDeecciissiivvee

NNoo..NNaammee

DDeessccrriippttiioonn

VVoollttaaggee

CCllaassssiiffiiccaattiioonn

PV1+,PV1–,PV2+,

PV2–,PV3+,PV3–,

PV4+,PV4–

MC4terminalsforPVinput.

Theterminalnumberdependson

invertermodel.

DVC-C

Communicationaccessoryportto

2COM1

beconnectedtoWiNet-Sfor

countriesexceptBrazilortoWiFi

DVC-A

forBrazil.

3AC

ACterminaltoconnecttothegrid.

DVC-C

Additionalgroundingterminal.Notapplicable

CommunicationconnectionforDI/

5COM2

DRM,DO,Loggerandsmart

energymeter.

ThepindefinitionofCOM2terminalisshowninthefollowinglabel.

DVC-A

Page 32

5ElectricalConnectionUserManual

FFiigguurree55--22LabelofCOM2Terminal

Table5-2LabelDescriptionofCOM2Terminal

LLaabbeell

RSD

DRM

RSD-1,

RSD-2

NS-1,NS-2

D1/5,D2/6,

D3/7,D4/8,

R,C

DDeessccrriippttiioonn

Reserved

ForexternalDemandResponseEnablingDevice("AU"/

"NZ")

ForRippleControl

Forinverterdaisychain

RS485-1

A1,B1

(CannotbeusedsimultaneouslywithCOM1portfor

WiNet-S)

Externalalarminterface,e.g.lightindicatorand/orbuzzer

NO,COM

TheexternalDCvoltageshouldnotbehigherthan30V

andthecurrentnothigherthan1A.

RS485-3

Meter

A3,B3

A2,B2

Reserved

Smartenergymeterinterface

5.3ElectricalConnectionOverview

Theelectricalconnectionshouldberealizedasfollows:

(A)PVstring(B)Inverter(C)Grid

(D)Externaldevice(E)ACcircuitbreaker(F)Smartenergymeter

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UserManual5ElectricalConnection

Table5-3CableRequirements

NNoo..CCaabbllee

1DCcable

2Ethernet

cable

3Meter

RS485

(1)

cable

ACcable

Additional

Grounding

cable

TTyyppee

Outdoormulti-core

copperwirecable

complyingwith

1100Vand30A

standard

CAT5Eoutdoor

shieldednetwork

cable

Shieldedtwisted

pair

Outdoor5-core

(2)

copperwirecable

Outdoorsingle-

corecopperwire

cable

CCaabblleeDDiiaammeetteerr

6mm–9mm4mm

5.3mm–7mm8*0.2mm

5.3mm–7mm

SG3.0RTto

SG12RT：10

mm–21mm

SG15RTto

SG20RT：14

mm–25mm

WWiirreeCCoonndduuccttoorr

CCrroossss--sseeccttiioonn

–6mm

2*(0.5–1.0)mm

SG3.0RTto

SG12RT：4mm2–6

SG15RTto

SG20RT：6mm

10mm

–

ThesameasthatofthePEwireintheAC

cable

(1)ThecablerequirementsforCCOOMM22terminalconnectionarethesame.

(2)AlltheACwiresshouldbeequippedwithcorrectlycoloredcablesfordistinguishing.

Pleaserefertorelatedstandardsaboutthewiringcolor.

5.4AdditionalGroundingConnection

• Since the inverteris transformerless, neither thenegative pole nor the

positivepoleofthePVstringmustbegrounded.Otherwise,theinverterwill

notoperatenormally.

• Connecttheadditionalgroundingterminaltotheprotectivegroundingpoint

beforeACcableconnection,PVcableconnection,andcommunicationcable

connection.

• Thegroundconnectionofthisadditionalgroundingterminalcannotreplace

theconnectionofthePEterminaloftheACcable.Makesurethoseterminals

are bothgrounded reliably. SUNGROW shallnot be held liablefor any

damagecausedbytheviolation.

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5ElectricalConnectionUserManual

5.4.1 AdditionalGroundingRequirements

Allnon-currentcarryingmetalpartsanddeviceenclosuresinthePVpowersystem

shouldbegrounded,forexample,mountsofPVmodulesandtheinverterenclosure.

WhenthereisonlyoneinverterinthePVsystem,connecttheadditionalgrounding

cabletoanearbygroundingpoint.

WhentherearemultipleinvertersinthePVsystem,connectgroundingpointsofall

invertersandthePVarrayframestotheequipotentialcable(accordingtotheonsite

conditions)toimplementanequipotentialconnection.

5.4.2 ConnectionProcedure

AdditionalgroundingcableandOT/DTterminalarepreparedbycustomers.

Step1PreparethecableandOT/DTterminal.

(1)Heatshrinktubing

(2)OT/DTterminal

Step2Removethescrewonthegroundingterminalandfastenthecablewithascrewdriver.

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UserManual5ElectricalConnection

Step3Applypainttothegroundingterminaltoensurecorrosionresistance.

----EEnndd

5.5ACCableConnection

5.5.1 ACSideRequirements

Connecttheinvertertothegridonlyaftergettinganapprovalfromthelocal

electricpowercompany.

Before connectingthe inverterto thegrid, ensurethe gridvoltage andfrequency

complywithrequirements,forwhich,referto""TTeecchhnniiccaallDDaattee"".Otherwise,contactthe

electricpowercompanyforhelp.

AACCCCiirrccuuiittBBrreeaakkeerr

Anindependentthreeorfour-polecircuitbreakermustbeinstalledontheoutputsideof

theinvertertoensuresafedisconnectionfromthegrid.Therecommended

specificationsareasfollows.

IInnvveerrtteerrMMooddeell

SG3.0RT/SG4.0RT/SG5.0RT/

SG6.0RT

SG7.0RT/SG8.0RT20A

SG10RT25A

SG12RT32A

SG15RT/SG17RT40A

SG20RT50A

RReeccoommmmeennddeeddSSppeecciiffiiccaattiioonn

16A

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5ElectricalConnectionUserManual

• DeterminewhetheranACcircuitbreakerwithgreaterovercurrentcapacityis

requiredbasedonactualconditions.

• Multipleinverterscannotshareonecircuitbreaker.

• Neverconnectaloadbetweentheinverterandthecircuitbreaker.

RReessiidduuaallCCuurrrreennttMMoonniittoorriinnggDDeevviiccee

Withanintegrateduniversalcurrent-sensitiveresidualcurrentmonitoringunitincluded,

theinverterwilldisconnectimmediatelyfromthemainspoweronceafaultcurrentwith

avalueexceedingthelimitisdetected.

Howeverifanexternalresidualcurrentdevice(RCD)ismandatory,theswitchmustbe

triggeredataresidualcurrentof300mA(recommended),oritcanbesettoother

valuesaccordingtolocalregulations.ForexampleinAustralia,theinvertercanusean

additional30mA(typeA)RCDininstallations.

MMuullttiipplleeIInnvveerrtteerrssiinnppaarraalllleellCCoonnnneeccttiioonn

Ifmultipleinvertersareconnectedinparalleltothegrid,ensurethatthetotalnumberof

parallelinvertersdoesnotexceed5.Otherwise,pleasecontactSUNGROWfortechnical

scheme.

5.5.2 AssemblingtheACConnector(<15kW)

TheACterminalblockisonthebottomsideoftheinverter.ACconnectionisthethree-

phase-four-wiregrid+PEconnection(L1,L2,L3,N,andPE).

Step1UnscrewtheswivelnutoftheACconnector.

Step2Takeoutthespring-loadedterminalfromthehousing.

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UserManual5ElectricalConnection

Step3ThreadtheACcableofappropriatelengththroughtheswivelnut,thesealingringand

thehousing.

Step4Remove45mmofthecablejacketand12mm–16mmofthewireinsulation.

Step5Opentheclamponthespring-loadedterminalandinsertthewiresintothe

correspondingholes.Closetheclampandpushtheterminalintothehousinguntilthere

isanaudibleclick.

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5ElectricalConnectionUserManual

Observetheterminalassignment.Donotconnectanyphaselinetothe"PE"

terminalorPEwireto"N"terminal.Otherwise,unrecoverabledamagetothe

invertermayfollow.

Step6Ensurethatthewiresaresecurelyinplacebyslightlypullingthem.Tightentheswivel

nuttothehousing.

----EEnndd

5.5.3 InstallingtheACConnector(<15kW)

Highvoltagemaybepresentininverter!

Ensureallcablesarevoltage-freebeforeelectricalconnection.

DonotconnecttheACcircuitbreakeruntilallinverterelectricalconnectionsare

completed.

Step1DisconnecttheACcircuitbreakerandsecureitagainstreconnection.

Step2RemovethewaterprooflidfromtheAACCterminal.

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UserManual5ElectricalConnection

Step3LiftthelockingpartupwardsandinserttheACconnectorintotheAACCterminalonthe

bottomsideoftheinverter.Thenpressthelockingpartandsecureitwiththescrew.

Step4ConnectthePEwiretogroundandthephaselinesandthe“N”linetoACcircuit

breaker.ThenConnecttheACcircuitbreakertoelectricboard.

Step5Makesureallwiresarefirmlyinstalledviatherighttorquetoolordraggingthecables

slightly.

----EEnndd

5.5.4 AssemblingtheACConnector(≥15kW)

TheACterminalblockisonthebottomsideoftheinverter.ACconnectionisthethree-

phase-four-wiregrid+PEconnection(L1,L2,L3,N,andPE).

Step1UnscrewtheswivelnutoftheACconnector.

Step2(Optional)Removetheinnersealingringifthe cablediameteris19mm–25mm.

Otherwiseskipthisstep.

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5ElectricalConnectionUserManual

Step3Takeoutthescrew-typeterminalplugfromthehousing.

Step4ThreadtheACcableofappropriatelengththroughtheswivelnutandthehousing.

Step5Remove80mm–90mmofthecablejacketand12mmofthewireinsulation.

Step6((OOppttiioonnaall))Whenusingamulti-coremulti-strandcopperwirecable,connecttheAC

wireheadtothecordendterminal(hand-tight).Incaseofsingle-strandcopperwire,

skipthisstep.

Step7Fixallthewirestothescrew-typeterminalaccordingtotheassignmentandtightentoa

torqueof1.2N•m–1.5N•m withascrewdriver. Thenpushtheterminal intothe

housinguntilthereisanaudibleclick.

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UserManual5ElectricalConnection

Observetheterminalassignment.Donotconnectanyphaselinetothe"PE"

terminalorPEwireto"N"terminal.Otherwise,unrecoverabledamagetothe

invertermayfollow.

Step8Ensurethatthewiresaresecurelyinplacebyslightlypullingthem.Tightentheswivel

nuttothehousing.

----EEnndd

5.5.5 InstallingtheACConnector(≥15kW)

Highvoltagemaybepresentininverter!

Ensureallcablesarevoltage-freebeforeelectricalconnection.

DonotconnecttheACcircuitbreakeruntilallinverterelectricalconnectionsare

completed.

Step1DisconnecttheACcircuitbreakerandsecureitagainstreconnection.

Step2RemovethewaterprooflidfromtheAACCterminal.

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5ElectricalConnectionUserManual

Step3InserttheACconnectorintotheAACCterminalonthebottomoftheinverteruntilthereis

anaudiblesound.

Step4((OOppttiioonnaall))SecuretheACconnector,asshowninthefigurebelow.

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UserManual5ElectricalConnection

Step5ConnectthePEwiretogroundandthephaselinesandthe"N"linetoACcircuitbreaker.

ThenconnecttheACcircuitbreakertoelectricboard.

Step6Makesureallwiresarefirmlyinstalledviatherighttorquetoolordraggingthecables

slightly.

----EEnndd

5.6DCCableConnection

Dangerofelectricshock!

ThePVarraywillgeneratelethalhighvoltageonceexposedtosunlight.

MakesurethePVarrayiswellinsulatedtogroundbeforeconnectingittothe

inverter.

Riskofinverterdamage!Observethefollowingrequirements.Failuretodoso

willvoidguaranteeandwarrantyclaims.

• MakesurethemaximumDCvoltageandthemaximumshortcircuitcurrent

ofanystringneverexceedinverterpermittedvaluesspecifiedin"Technical

Data".

• MixeduseofdifferentbrandormodelofPVmodulesinaPVstringora

compromisedPVstringdesigncomposedwithPVmodulesfromrooftoops

ofdifferentorientationmaynotdamageinverterbutwillcausesystembad

performance!

• Theinverterentersstandbystatewhentheinputvoltagerangesbetween

1,000Vand1,100V.Theinverterreturnstorunningstateoncethevoltage

returnstotheMPPToperatingvoltagerange,namely,160Vto1,000V.

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5ElectricalConnectionUserManual

5.6.1 PVInputConfiguration

• TheinvertersSG3.0RT/SG4.0RT/SG5.0RT/SG6.0RThavetwoPVinputs,SG7.0RT/

SG8.0RT/SG10RT/SG12RT havethree PVinputs andSG15RT/SG17RT/SG20RT

havefourPVinputs.

• TheinvertershavetwoMPPtrackers.EachDCinputareacanoperateindependently.

• ThePVstringstothesameDCinputareashouldhavethesametype,thesame

numberofPVpanels,identicaltiltandidenticalorientationformaximumpower.

• ThePVstrings totwoDCinputareasmaydifferfromeachother,includingPV

moduletype,numberofPVmodulesineachstring,angleoftilt,andinstallation

orientation.

FFiigguurree55--33PVInputConfiguration(SG20RTforexample)

PriortoconnectingtheinvertertoPVinputs,thespecificationsinthefollowingtable

shouldbemet:

IInnvveerrtteerrMMooddeell

OOppeenn--cciirrccuuiittVVoollttaaggeeLLiimmiittMMaaxx..ccuurrrreennttffoorriinnppuuttccoonnnneeccttoorr

Allmodels1100V30A

Thefollowingfigureshowstheopen-circuitvoltagelimitsatdifferentaltitudes.Before

configuringthePVpanels,needtotakethisderatingcurveinconsiderationunderhigh

altitudesituation.

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UserManual5ElectricalConnection

FFiigguurree55--44Open-circuitVoltageDeratingCurve

5.6.2 AssemblingthePVConnectors

Highvoltagemaybepresentintheinverter!

• Ensureallcablesarevoltage-freebeforeperformingelectricaloperations.

• DonotconnecttheACcircuitbreakerbeforefinishingelectricalconnection.

• UseMC4DCterminalsifthemaximuminputvoltageisnomorethan1,000V.

• UseMC4-Evo2DCterminalsifthemaximuminputvoltageisgreaterthan

1,000V.TopurchasetheMC4-Evo2DCterminals,contactSUNGROW.

• SelectappropriateDCterminalsasrequiredabove.Otherwise,SUNGROW

shallbeheldnoliabilityforthedamagecaused.

SUNGROWprovidescorrespondingPVconnectorsinthescopeofdeliveryfor

quickconnectionofPVinputs.ToensureIP65protection,useonlythe

suppliedconnectorortheconnectorwiththesameingressofprotection.

Step1Strip7mm–8mmoftheinsulationfromeachPVcable.

Step2Assemblethecableendswiththecrimpingpliers.

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5ElectricalConnectionUserManual

1:Positivecrimpcontact2：Negativecrimpcontact

Step3For somecountries suchas Australia wherethe DCprotection coverdelivered

separatelyneedtobeinstalledonsite,pleasefirstlyleadthePVcablesthroughthe

waterproofterminalontheDCprotectioncoverbeforeassemblingtheconnector.See

theguidancewiththeDCprotectioncoverfordetails.

PVcableswithconnectorscannotgothroughthewaterproofterminalonthe

DCprotectioncover.Reworkmaycausedamagetotheconnectors,whichwill

notbecoveredbythewarranty.

Step4Leadthecablethroughcablegland,andinsertthecrimpcontactintotheinsulatoruntilit

snapsintoplace.Gentlypullthecablebackwardtoensurefirmconnection.Tightenthe

cableglandandtheinsulator(torque2.5N.mto3N.m).

Step5Checkforpolaritycorrectness.

IfthePVpolarityisreversed,theinverterwillbeinafaultoralarmstateandwill

notoperatenormally.

----EEnndd

5.6.3 InstallingthePVConnectors

Step1RotatetheDCswitchto"OFF"position.

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UserManual5ElectricalConnection

Step2CheckthecableconnectionofthePVstringforpolaritycorrectnessandensurethatthe

opencircuitvoltageinanycasedoesnotexceedtheinverterinputlimitof1,100V.

Step3ConnectthePVconnectorstocorrespondingterminalsuntilthereisanaudibleclick.

• CheckthepositiveandnegativepolarityofthePVstrings,andconnectthe

PV connectorstocorrespondingterminalsonlyafter ensuringpolarity

correctness.

• ElectricarcorcontactorovertemperaturemayoccurifthePVconnectors

arenot firmlyin place,and SUNGROWshall notbe heldliable forany

damagecausedduetothisoperation.

Step4SealtheunusedPVterminalswiththeterminalcaps.

----EEnndd

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5ElectricalConnectionUserManual

5.7WiNet-SConnection

TheWiNet-SmodulesupportsEthernetcommunicationandWLANcommunication.Itis

notrecommendedtousebothcommunicationmethodsatthesametime.

TheWiNet-ScommunicationforEthernetcannotbeusedsimultaneouslywithA1and

B1terminalsforRS485daisychain.

Fordetails,seethequickguidefortheWiNet-Smodule.ScanthefollowingQRcodefor

thequickguide.

5.7.1 EthernetCommunication

TheWiNet-ScommunicationforEthernetcannotbeusedsimultaneouslywithA1and

B1terminalsforRS485daisychain.

Step1((OOppttiioonnaall))StriptheinsulationlayerofthecommunicationcablewithanEthernetwire

stripper,andleadthecorrespondingsignalcablesout.Insertthestripped

communicationcableintotheRJ45pluginthecorrectorder,andcrimpitwithacrimper.

1:RJ45plug2：Protectivecap

SkipthisstepifastandardnetworkcablewithRJ45plugisprepared.

Step2Unscrewtheswivelnutfromthecommunicationmoduleandtakeouttheinnersealing

ring.

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UserManual5ElectricalConnection

Step3Unscrewthehousingfromthecommunicationmodule.

Step4Threadthenetworkcablethroughtheswivelnutandgasket.Afterwards,routethecable

intotheopeningofthesealing.Finally,insertthecablethroughthehousing.

Step5InserttheRJ45plugintothefrontplugconnectoruntilthereisanaudibleclickand

tightenthehousing.Installthegasketandfastentheswivelnut.

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5ElectricalConnectionUserManual

Step6RemovethewaterprooflidfromtheCCOOMM11terminalandinstallWiNet-S.

Step7Slightlyshakeitbyhandtodeterminewhetheritisinstalledfirmly.

----EEnndd

5.7.2 WLANCommunication

Step1RemovethewaterprooflidfromtheCCOOMM11terminal.

Step2Installthemodule.Slightlyshakeitbyhandtodeterminewhetheritisinstalledfirmly,as

shownbelow.

Step3Refertotheguidedeliveredwiththemodulefortheset-up.

----EEnndd

5.8WiFiConnection(forBrazil)

Step1RemovethewaterprooflidfromtheCCOOMM11terminal.

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UserManual5ElectricalConnection

Step2Installthemodule.Slightlyshakeitbyhandtodeterminewhetheritisinstalledfirmly,as

shownbelow.

Step3Refertotheguidedeliveredwiththemodulefortheset-up.

----EEnndd

5.9MeterConnection

Inasingleinverterscenario,theMeter(A2,B2)terminalsaredesignedtoconnecttothe

SmartEnergyMeterforthefeed-inpowerfunction.

5.9.1 AssemblingtheCOMConnector

Step1Unscrewtheswivelnutfromtheconnector.

Step2Takeouttheterminalblock.

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5ElectricalConnectionUserManual

Step3Removethesealandleadthecablethroughthecablegland.

Step4Removethecablejacketandstripthewireinsulation.

Step5(Optional)Whenusingamulti-coremulti-strandwirecable,connectthewireheadto

thecordendterminal.Incaseofsingle-strandcopperwire,skipthisstep.

Step6Plugthewiresorterminalsintothecorrespondingterminalsasshowninthefollowing

figure.

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UserManual5ElectricalConnection

FFiigguurree55--55A2,B2connection

Step7Ensurethat thewires aresecurely inplace byslightly pullingthem andinsert the

terminalplugintothehousinguntilthereisanaudibleclick.

Step8Fastentheswivelnut.

----EEnndd

5.9.2 InstallingtheCOMConnector

Step1RemovethewaterprooflidfromtheCCOOMM22connector.

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5ElectricalConnectionUserManual

Step2InserttheCOMconnectorintoCCOOMM22terminalonthebottomoftheinverteruntilthereis

anaudibleclick.

----EEnndd

5.10RS485Connection

5.10.1RS485CommunicationSystem

TheRS485(A1,B1)connectioncanestablishthecommunicationbetweentheinverter

andanexternaldevice,aswellasthecommunicationbetweentwoinvertersinparallel.

Incaseofmultipleinverters,alltheinverterscanbeconnectedviaRS485cablesin

daisychainmanner.

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UserManual5ElectricalConnection

FFiigguurree55--66Multi-inverterConnection

• Themaximumnumberofinvertersallowedtobeconnectedinthedaisy

chainis5.

• TheRS485communicationcableshouldbeshieldedtwistedpaircablesor

shieldedtwistedpairEthernetcables.

• TheRS485cablebetweentwodevicesshouldbenotlongerthan10m.

• TheRS485communicationcannotbeusedsimultaneouslywithCOM1

portforWiNet-S.

• RefertothemanualofLoggerforthecommunicationconnectiontothe

meter.

5.10.2AssemblingtheCOMConnector

Step1Unscrewtheswivelnutfromtheconnector.

Step2Takeouttheterminalblock.

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5ElectricalConnectionUserManual

Step3Removethesealandleadthecablethroughthecablegland.

Step4Removethecablejacketandstripthewireinsulation.

Step5(Optional)Whenusingamulti-coremulti-strandwirecable,connectthewireheadto

thecordendterminal.Incaseofsingle-strandcopperwire,skipthisstep.

Step6Plugthewiresorterminalsintothecorrespondingterminalsasshowninthefollowing

figure.

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UserManual5ElectricalConnection

FFiigguurree55--77A1,B1connection

Step7Ensurethat thewires aresecurely inplace byslightly pullingthem andinsert the

terminalplugintothehousinguntilthereisanaudibleclick.

Step8FFoorrRRSS448855ddaaiissyycchhaaiinn::CrimptwowiresAtoatwo-wirecoreendterminalandtwo

wiresBtoanotherterminal.PlugtheterminalstoA1andB1respectively.

FFiigguurree55--88RS485daisychainconnection

Step9Fastentheswivelnut.

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5ElectricalConnectionUserManual

----EEnndd

5.10.3InstallingtheCOMConnector

Step1RemovethewaterprooflidfromtheCCOOMM22connector.

Step2InserttheCOMconnectorintoCCOOMM22terminalonthebottomoftheinverteruntilthereis

anaudibleclick.

----EEnndd

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UserManual5ElectricalConnection

5.11DOConnection

The inverteris equipped witha DOrelay for anearth faultalarm. The additional

equipmentrequiredisalightindicatorand/orabuzzerthatneedsadditionalpower

supply.

Oncefaultoccurs,therelaytripsandthecircuitisconnected.Theexternalindicatorgets

on.Therelayremainstriggereduntilthefaultisremoved.

FFiigguurree55--99DONormalOpenConnect

TheadditionalDCpowersupplyshouldcomplywithrelatedrequirements:

• Max.voltage:30V

• Max.current:1A

Refer to section

"5.9.1 Assembling the COM Connector" for detailed assembling

procedure.PlugthewirestoNNOOandCCOOMMterminalsaccordingthelabelsonthebottom

oftheinverter.

Refertosection"5.10.3InstallingtheCOMConnector"toinstalltheconnector.

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5ElectricalConnectionUserManual

5.12DRMConnection

InAustraliaandNewZealand,theinvertersupportsthedemandresponsemodesas

specifiedinthestandardAS/NZS4777.

ThefollowingfigureshowsthewiringbetweentheinverterandtheexternalDRED.

Table5-4MethodofAssertingDRM

MMooddee

DRM0

Refer to section

procedure.PlugthewirestoRRandCCterminalsaccordingthelabelsonthebottomof

theinverter.

Refertosection"5.10.3InstallingtheCOMConnector"toinstalltheconnector.

AAsssseerrtteeddbbyySShhoorrttiinnggTTeerrmmiinnaallss

oonnIInnvveerrtteerr

R&CCloseS1andS5

"5.9.1 Assembling the COM Connector" for detailed assembling

SSwwiittcchhOOppeerraattiioonnoonnEExxtteerrnnaall

DDRREEDD

5.13DIConnection

ThegridcompanyusesaRippleControlReceivertoconvertthegriddispatchingsignal

andsenditasadrycontactsignal.

The followingfigure showsthe wiringbetween theinverter andthe ripplecontrol

receiver.

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UserManual5ElectricalConnection

Table5-5MethodofAssertingDIMode

SS22SS33SS44SSwwiittcchhOOppeerraattiioonnoonn

SS11

EExxtteerrnnaallRRCCRR

0000None100%(configurableaccordingto

1000

0100

0010

1100

CloseS1

CloseS2

CloseS3

CloseS1andS20%(disconnectfromgrid)

Step1Unscrewtheswivelnutfromtheconnector.

Step2Takeouttheterminalblock.

OOuuttppuuttppoowweerr((iinn%%oofftthheeRRaatteedd

AACCoouuttppuuttppoowweerr))

need)

100%

60%

30%

Step3Removethesealandleadthecablethroughthecablegland.

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5ElectricalConnectionUserManual

Step4Removethecablejacketby7mm–10mm.

Step5Plugthewiresintothecorrespondingterminalsasshowninthefollowingfigure.

FFiigguurree55--1100DIconnection

Step6Ensurethat thewires aresecurely inplace byslightly pullingthem andinsert the

terminalplugintothehousinguntilthereisanaudibleclick.

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UserManual5ElectricalConnection

Step7Fastentheswivelnut.

Step8Refertosection"5.10.3InstallingtheCOMConnector"toinstalltheconnector.

----EEnndd

Page 64

Commissioning

6.1InspectionbeforeCommissioning

Checkthefollowingitemsbeforestartingtheinverter:

• Alltheinstallationsitesareconvenientforoperation,maintenanceandservice.

• Alldevicesarefirmlyinstalled.

• Spaceforventilationissufficientforoneinverterormultipleinverters.

• Nothingisleftonthetopoftheinverter.

• Theinverterandaccessoriesarecorrectlyconnected.

• Cablesareroutedsafelyandprotectedagainstmechanicaldamage.

• TheselectionoftheACcircuitbreakerisinaccordancewiththismanualandall

applicablelocalstandards.

• Allunusedterminalsatthebottomoftheinverterareproperlysealed.

• Warningsigns&labelsareintactandlegible.

6.2PoweringontheSystem

Ifalloftheitemsmentionedabovemeettherequirements,proceedasfollowstostart

uptheinverterforthefirsttime.

Step1TurnontheACcircuitbreakerbetweentheinverterandthegrid.

Step2RotatetheDCswitchoftheinverterto"ON"position.

Step3TurnontheexternalDCswitch(ifapplicable)betweentheinverterandthePVstring.

Step4If the irradiation and grid conditions meet requirements, the inverter will operate

normally.ObservetheLEDindicatortoensurethattheinverteroperatesnormally.Refer

"2.4IndicatorDefinition"fordetails.

Step5Refertothequickguideforcommunicationmoduleforitsindicatordefinition.

Step6SetinitialprotectionparametersviatheiSolarCloudApp.

• ForWiFimodule,pleasereferto

and"7.5InitialSettings".

• ForWiNet-Smodule,pleaserefertosections6.3to6.6.

----EEnndd

"7.2InstallingtheApp","7.4.2LoginProcedure"

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UserManual6Commissioning

6.3AppPreparation

Step1InstalltheiSolarCloudAppwithlatestversion.Referto"7.2InstallingtheApp".

Step2Registeranaccount.Referto

andpasswordfromthedistributor/installerorSUNGROW,skipthisstep.

Step3Downloadthefirmwarepackagetothemobiledevice inadvance.Referto

FirmwareUpdate"

----EEnndd

.Thisistoavoiddownloadfailureduetopooron-sitenetworksignal.

"7.3AccountRegistration".Ifyouhavegottheaccount

6.4CreatingaPlant

Screenshotsofcreatingaplantareforreferenceonly.Fordetails,refertotheactual

screen.

Step1OpentheApp,tap

sameserveraswhenregistering.

attheupperrightcornerandtapSSeelleeccttSSeerrvveerr.Choosethe

"7.10.5

FFiigguurree66--11SelectingtheServer

Step2EntertheaccountandpasswordontheloginscreenandtapLLooggiinntoentertheApp

homescreen.

Step3Taptheicon

attheupperrightcornertoenterthecreatingscreen.

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6CommissioningUserManual

FFiigguurree66--22CreatingPowerPlant

Step4SelectplanttypetoRREESSIIDDEENNTTIIAALLandinvertertypetoPPVV.

FFiigguurree66--33SelectingPlant/InverterType

Step5ScantheQRcodeonthecommunicationdeviceormanuallyentertheserialnumberof

thecommunicationdevice.TapNNeexxttaftertheQRcodeisidentifiedortheserialnumber

enterediscorrectandthentapCCOONNFFIIRRMM.Yourmobiledeviceisthusconnectedtothe

WiNet-Ssuccessfully.

FFiigguurree66--44ConnectingMobileDevicetoWiNet-S

Step6SelecttheInternetaccessmodetoWWLLAANN((CCOONNNNEECCTTEEDD))orEETTHHEERRNNEETTaccordingto

actualconnection.ThefollowingdescriptionisforWLANaccessmode.

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UserManual6Commissioning

FFiigguurree66--55SelectingInternetAccessMode

Step7The EEAASSYYCCOONNNNEECCTT IINNSSTTRRUUCCTTIIOONN screen will prompt. Press themulti-function

buttonontheWiNet-SmoduleoncetoturnonEasyConnectmode.TheWLANindicator

onWiNet-Sblinksquicklywhenthismodeisturnedon.ReturntotheAppandthe

screendisplayssuccessfulconnectiontotheinverterWLAN.TapNNEEXXTT.

FFiigguurree66--66TurnonEasyConnectMode

TheEasyConnectmodecanbeusedonlywhentherouteris2.4GHz.

IftheEasyConnectmodefails,refertotheWiNet-Squickguideforthe

instructionsofothermodes.

Step8Connecttheinvertertorouternetwork.Enternetworknameandpassword.TapNNEEXXTT

and thescreen displayprompt informationof successfulconnection tothe router

network.

FFiigguurree66--77ConnectingInvertertoRouterNetwork

----EEnndd

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6CommissioningUserManual

6.5InitializingtheDevice

Theinverterissuccessfullyconnectedtotherouter.

Ifthereisnolatestequipmentupgradepackage,skipsteps1and2.

Theactualinitializingproceduremaydifferduetodifferentcountries.Pleasefollowthe

actualAppguidance.

Step1Ifalatestequipmentupgradepackageisavailable,thefollowingpromptwindowpops

up.TapUUPPDDAATTEENNOOWWtodownloadthelatestupdatepackage.

FFiigguurree66--88UpgradeReminder

Step2Afterdownload,itwouldtakearound15minutestoupdate.Aftersuccessfulupgrade,

thescreenwillshowtheversionnumbersbeforeandaftertheupgradeaswellasthe

upgradetime.TapNNEEXXTT.

FFiigguurree66--99UpgradingInverter

Ifthecommunicationequipmentisupgraded,aftersuccessfulupgrade,check

andconfirmthatthephoneisconnectedtotheinverterWLAN.

Step3TapCCoouunnttrryy//RReeggiioonnand selectthe countrywhere theinverteris installedat. The

supportedcountriesandcorrespondingsettingsareasfollows.

CCoouunnttrryy//RReeggiioonnSSeettttiinngg

Australia("AU")Australia

NewZealand("NZ")NewZealand

Poland("PL")Poland

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UserManual6Commissioning

CCoouunnttrryy//RReeggiioonnSSeettttiinngg

Germany("DE")Germany

Brazil("BR")Brazil

Portugal/Norway/Hungary/RomaniaEN50549-1

Countriesnotlistedabove"Other50Hz"or"Other60Hz"

TheparameterCCoouunnttrryy//RReeggiioonnmustbesettothecountry(region)wherethe

inverterisinstalledat.Otherwise,theinvertermayreporterrors.

Step4WhenthecountryissettoAustralia,additionallysettheapplicablenetworkservice

providerandthenthegridtype.

Theimage shownhere isfor referenceonly. Referto theactual interfacefor the

supportednetworkserviceproviders.

Table6-1DescriptionofNetworkServiceProviderandGridType

NNeettwwoorrkkSSeerrvviicceePPrroovviiddeerrGGrriiddTTyyppee

AS/NZS4777.2:2015/

• STNW1170:single-phase＜10kVA

ENERGEX&ErgonEnergy

&three-phase＜30kVA

• STNW1174: 30kVA ＜Pn≤ 1500

kVA

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6CommissioningUserManual

NNeettwwoorrkkSSeerrvviicceePPrroovviiddeerrGGrriiddTTyyppee

• ≤10kVAperphase(or30kVAper

Jemena

threephase)

• ELEGU0014:30kVA–200kVA

EndeavourEnergy

Ausgrid

MDI0043

NS194

• ≤5kVAforsingle-phase&30kVA

CitiPower&Powercor

forthree-phase

• ＞30kVAthree-phase

• UE-ST-2008.1:≤10kVAforsingle-

UnitedEnergy

phase&30kVAforthree-phase

• UE-ST-2008.2:＞30kVAthree-

phase

PowerWaterAS/NZS4777.2:2015

• TS129-2019:<10kWforsingle-

phase&30kWforthree-phase

SAPowerNetworks

• TS130-2017:>30kW&≤200kW

• TS131-2018:>200kW

Step5Initializeparametersaccordingtolocalgridrequirements,includinggridtype,reactive

power regulation mode,etc. The screen displays thatthe inverter is successfully

configured.

FFiigguurree66--1100InitializingParameters

----EEnndd

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UserManual6Commissioning

6.6ConfiguringthePlant

Theinverterissuccessfullyaddedtotheplantandinitialized.Refertotheguidancein

previoussections.

Thedistributor/installerwhocreatesaplantfortheenduserneedstogettheenduser's

e-mailaddress.Inconfiguringaplant,thee-mailaddressisrequired,andeache-mail

addresscanberegisteredonlyonce.

Step1TheAppscreenwilldisplaytheaddedinverter.TapNNEEXXTTtoconfiguretheplant.

FFiigguurree66--1111DisplaytheAddedInverter

Step2Fillintheplantinformation.Thefieldsmarkedwith*mustbefilledin.

FFiigguurree66--1122EnteringPlantInformation

Step3((OOppttiioonnaall))Fillinthetariffinformation.Theelectricitypricecanbesettoaspecificvalue

orTime-of-Usetariff.

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6CommissioningUserManual

FFiigguurree66--1133EnteringTariffInformation

Step4Fillintheenduser's e-mailaddress.Thefirsttimeyoufillintheend user'se-mail

address,thesystemwillcreateanaccountfortheenduserandsendanemailtothe

enduser.Theendusercanactivatetheaccountviatheemail.

TheDistributor/installercreatesplantsfortheenduserandcanmanagethe

plantsbydefault.

FFiigguurree66--1144EnteringOwener'se-mail

Step5TapNNEEXXTTtowaitfortheinvertertoconnecttotheiSolarCloud.

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UserManual6Commissioning

FFiigguurree66--1155ConfigurationCompleted

Step6((OOppttiioonnaall))TabVViieewwlliivveeddaattaaffoorrtthheeddeevviiccee,tickIInnvveerrtteerrorTToottaallPPllaannttDDeevviicceessand

tabAALLLLPPLLAANNTTSSOOPPEENN.Theclocksymbleindicatesthatthelivedataviewfunctionis

successfullyenabled.Tabtheinvertertoviewthelivedataaboutvoltage,current,power

orcurve.

FFiigguurree66--1166LiveDataViewFunctionSetting

ConsultSungrowserviceforthedevicesthatsupportlivedatafunction.

Step7Tab BBAACCKK to the CCOOMMPPLLEETTEEDD screen. Tab PPDDFF RREEPPOORRTT to export the plant

configurationreport.

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6CommissioningUserManual

Step8TabBBAACCKKtotheCCOOMMPPLLEETTEEDDscreen.TabDDAASSHHBBOOAARRDDtoreturn andmanually

refreshthepageuntilthenewlycreatedplantisdisplayedwithstatuscommissioned.

----EEnndd

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iSolarCloudApp

7.1BriefIntroduction

TheiSolarCloudAppcanestablishcommunicationconnectiontotheinverterviathe

WLAN,providingremotemonitoring,dataloggingandnear-endmaintenanceonthe

inverter.UserscanalsoviewinverterinformationandsetparametersthroughtheApp.

*ToachievedirectloginviaWLAN,thewirelesscommunicationmoduledevelopedand

manufactured by SUNGROWis required. The iSolarCloud Appcan also establish

communicationconnectiontotheinverterviaEthernetconnection.

• Thismanualdescribes onlyhow toachieve near-endmaintenance via

WLANdirectconnection.

• Screenshots inthis manualare basedon theV2.1.6 Appfor Android

system,andtheactualinterfacesmaydiffer.

7.2InstallingtheApp

MMeetthhoodd11

DownloadandinstalltheAppthroughthefollowingapplicationstores:

• MyApp(Android,mainlandChinausers)

• GooglePlay(Android,usersotherthanmainlandChinaones)

• AppStore(iOS)

MMeetthhoodd22

ScanthefollowingQRcodetodownloadandinstalltheAppaccordingtotheprompt

information.

TheAppiconappearsonthehomescreenafterinstallation.

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7iSolarCloudAppUserManual

7.3AccountRegistration

Theaccountdistinguishestwousergroups,enduseranddistributor/installer.

• Theendusercanviewplantinformation,createplants,setparameters,shareplants,

etc.

• Thedistributor/installercanhelptheendusertocreateplants,manage,install,or

maintainplants,andmanageusersandorganizations.

Step1TapRREEGGIISSTTEERRtoentertheregistrationscreen.

Step2SelectEEnndduusseerrorDDiissttrriibbuuttoorr//IInnssttaalllleerrtoenterthecorrespondingscreen.

FFiigguurree77--11SelectingUserGroup

Step3Fillintheregistrationinformation,includingserverselection,email,verificationcode,

passwordandaffirmance,country(region)andtimezone.Thedistributor/installerhas

thepermissiontofillinthecompanynameandthecodeofupperleveldistributor/

installer.

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UserManual7iSolarCloudApp

Thecodeofupperleveldistributor/installercanbeobtainedfromtheupper

leveldistributor/installer.Onlywhenyourorganizationbelongstotheupper

leveldistributor/installerorganization,canyoufillinthecorrespondingcode.

Step4TickAAcccceeppttpprriivvaaccyypprroottooccoollandtapRReeggiisstteerrtofinishtheregistrationoperation.

----EEnndd

7.4Login

7.4.1 Requirements

Thefollowingrequirementsshouldbemet:

• TheACandDCsidesortheACsideoftheinverterispowered-on.

• TheWLANfunctionofthemobilephoneisenabled.

• Themobilephoneiswithinthecoverageofthewirelessnetworkproducedbythe

communicationmodule.

7.4.2 LoginProcedure

Step1FortheWiNet-Smodule,pressthemulti-functionbutton3timestoenabletheWLAN

hotspot.Nopasswordisrequiredandthevalidtimeis30minutes.

FFiigguurree77--22EnablingtheWLANHotspot

Step2Connect the mobile phone tothe WLAN network named as "SG-xxxxxxxxxxx" (-

xxxxxxxxxxxistheserialnumberindicatedonthesideofthecommunicationmodule).

Step3OpentheApptoentertheloginscreen.TapLLooccaallAAcccceesssstoenterthenextscreen.

Step4SelectWWLLAANNandselectthedevice(SN),thenenterthepasswordandtapLLOOGGIINN.

Thedefaultaccountis"user"andtheinitialpasswordis"pw1111"which

shouldbechangedfortheconsiderationofaccountsecurity.Tap"More"at

thelowerrightcorneronhomepageandchoose"ChangePassword".

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7iSolarCloudAppUserManual

FFiigguurree77--33WLANLocalAccess

Step5Iftheinverteris notinitialized, navigatetothe quicksettingscreen toinitializethe

protectionparameters.Fordetails,pleasereferto""IInniittiiaallSSeettttiinnggss"".

The"Country/Region"mustbesettothecountrywheretheinverterisinstalled

at.Otherwise,theinvertermayreporterrors.

FFiigguurree77--44WLANLocalAccess

Step6Afterfinishingthesettings,tapTTUUNNRROONNDDEEVVIICCEEattheupperrightcornerandthe

devicewillbeinitialized.TheAppwillsendstartinstructionsandthedevicewillstartand

operate.

Step7Afterinitializationsettings,theAppwillreturnautomaticallytothehomepage.

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UserManual7iSolarCloudApp

----EEnndd

7.5InitialSettings

TapCCoouunnttrryy//RReeggiioonnandselectthecountrywheretheinverterisinstalled.Forcountries

exceptAustraliaandGermany,theinitializationiscompleted.

Theactualinitializingproceduremaydifferduetodifferentcountries.Please

followtheactualAppguidance.

Forsomecountries,youshouldinitializeparametersaccordingtolocalgrid

requirements.Fordetails,see6.5InitializingtheDevice.

7.6FunctionOverview

TheAppprovidesparameterviewingandsettingfunctions,asshowninthefollowing

figure.

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7iSolarCloudAppUserManual

FFiigguurree77--55AppKeyFunctionMenu

7.7Home

HomepageoftheAppisshowninthefollowingfigure.

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UserManual7iSolarCloudApp

FFiigguurree77--66Home

Table7-1HomePageDescription

NNoo..NNaammee

1Inverterstate

Energyflow

chart

Real-time

power

Nominal

power

TodayyieldShowstodaypowergenerationoftheinverter

TotalyieldShowsaccumulativepowergenerationoftheinverter

Navigationbar

Iftheinverterrunsabnormally,thefaulticon

thescreen.Userscantaptheicontoviewdetailedfaultinformationandcorrective

measures.

7.8RunInformation

DDeessccrriippttiioonn

Presentoperationstateoftheinverter

ShowsthePVpowergenerationpower,feed-inpower,etc.

Thelinewithanarrowindicatesenergyflowbetween

connecteddevices,andthearrowpointingindicates

energyflowdirection.

Showsthepresentoutputpoweroftheinverter.

Showstheinstalledpoweroftheinverter.

Includesmenusof"HHoommee","RRuunnIInnffoommaattiioonn","RReeccoorrddss"

and"MMoorree".

willappearontheupperleftcornerof

Tap RRuunnIInnffoorrmmaattiioonnon the navigationbar toenter thescreen showingrunning

information,slidethescreenupwardstoviewalldetailedinformation.

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7iSolarCloudAppUserManual

Table7-2DescriptionofRunInformation

IItteemm

PVinformation

Inverter

information

Input

Output

Meterinformation

7.9Records

TapRReeccoorrddssonthenavigationbarto enterthescreen showingeventrecords,as

showninthefollowingfigure.

DDeessccrriippttiioonn

ShowsvoltageandcurrentofeveryPVstring.

Showsbasicinformationsuchasrunningstate,on-gridrunning

time,negativevoltagetogrid,busvoltage,internalair

temperature,inverterefficiency,etc.

ShowstotalDCpower,voltageandcurrentofMPPT1and

MPPT2.

Showsdaily/monthly/annual/totalyield,totalactive/reactive/

apparentpower,totalpowerfactor,gridfrequency,phase

voltageandcurrent.

Showsactivepowerandphaseactivepowerofthemeter.

FFiigguurree77--77Records

CChhaarrtt

Tap CChhaarrttto enter thescreen showing dailypower generation, asshown inthe

followingfigure.

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UserManual7iSolarCloudApp

FFiigguurree77--88Chart

TheAppdisplayspowergenerationrecordsinavarietyofforms,includingdailypower

generation graph, monthly power generation histogram, annual power generation

histogramandtotalpowergenerationhistogram.

Table7-3DescriptionofPowerCurve

IItteemm

DDeessccrriippttiioonn

DailyDailycurvethatindicatesthereal-timepower.

Month

Monthlycurvethatindicatesdailyyieldandequivalenthoursinamonth.

Annualcurvethatindicatesmonthlyyieldandequivalenthoursina

Year

Total

year.

Acurvethatindicatesannualyieldandequivalenthourssince

installation.

FFaauullttAAllaarrmmRReeccoorrdd

TapFFaauullttAAllaarrmmRReeccoorrddtoenterthescreen,asshowninthefollowingfigure.

Page 84

7iSolarCloudAppUserManual

FFiigguurree77--99FaultAlarmRecord

Clicktoselectatimesegmentandviewcorrespondingrecords.

Selectoneoftherecordsinthelistandclicktherecord,toviewthedetailedfaultinfoas

showninfollowingfigure.

FFiigguurree77--1100DetailedFaultAlarmInformation

EEvveennttRReeccoorrdd

TapEEvveennttRReeccoorrddtoenterthescreen,asshowninthefollowingfigure.

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UserManual7iSolarCloudApp

FFiigguurree77--1111EventRecord

Clicktoselectatimesegmentandviewcorrespondingrecords.

7.10More

TapMMoorreeonthenavigationbartoenterthecorrespondingscreen,asshowninthe

followingfigure.

InadditiontoviewingtheWLANconfigurationandAppsoftwareversion,theMMoorree

screensupportsthefollowingoperations:

• Setparametersincludinginvertersystemparameters,operationparameters,power

regulationparametersandcommunicationparameters.

• Upgradeinverterfirmware.

7.10.1SystemParameters

TapSSeettttiinnggss→→SSyysstteemmPPaarraammeetteerrsstoenterthecorrespondingscreen,asshowninthe

followingfigure.

FFiigguurree77--1122More

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7iSolarCloudAppUserManual

FFiigguurree77--1133SystemParameters

BBoooott//SShhuuttddoowwnn

TapBBoooott//SShhuuttddoowwnntosendtheboot/shutdowninstructiontotheinverter.

ForAustraliaandNewZealand,whentheDRMstateisDRM0,the"Boot"optionwillbe

prohibited.

DDaattee//TTiimmee

Thecorrectsystemtimeisveryimportant.Wrongsystemtimewilldirectlyaffectthe

dataloggingandpowergenerationvalue.Theclockisin24-hourformat.

7.10.2OperationParameters

RRuunnnniinnggTTiimmee

TapSSeettttiinnggss→→OOppeerraattiioonnPPaarraammeetteerrss→→RRuunnnniinnggTTiimmeeto enterthe corresponding

screen,onwhichyoucansetthe"ConnectingTime"and"ReconnectingTime".

FFiigguurree77--1144RunningTime

PPIIDDPPaarraammeetteerrss

TapSSeettttiinnggss→→OOppeerraattiioonnPPaarraammeetteerrss→→PPIIDDPPaarraammeetteerrsstoenterthecorresponding

screen,onwhichyoucanset"ConnectingTime"and"ReconnectingTime".

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UserManual7iSolarCloudApp

FFiigguurree77--1155PIDSetting

Table7-4PIDParameterDescription

PPaarraammeetteerr

DDeessccrriippttiioonn

Setenabling/disablingofthePIDnightrecoveryfunction.PID

PPIIDDRReeccoovveerryy

nightrecoveryfunctionsbetween22:00pmand5:00amby

default.

IfISOimpedanceabnormalityorPIDfunctionexceptionis

CClleeaarrPPIIDDaallaarrmm

detectedduringrunningofthePIDfunction,theinverterreports

aPIDfalsealarmandremindstheusertotakecorresponding

measures.Afterprocessing,clearthealarmviathisparameter.

PPIIDDSScchheemmeeApplynegativeorpositivevoltage.

• Fortheselectionofnegativeorpositivevoltage,pleaseconsultthesupplier

ofPVpanels.

• AfterthePIDnightrecoveryfunctionisenabled,thefaultindicatoronthe

inverterfrontpanelturnsgreen.

7.10.3PowerRegulationParameters

AAccttiivveePPoowweerrRReegguullaattiioonn

TapSSeettttiinnggss→→PPoowweerrRReegguullaattiioonnPPaarraammeetteerrss→→AAccttiivveePPoowweerrRReegguullaattiioonntoenter

thescreen,asshowninthefollowingfigure.

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7iSolarCloudAppUserManual

FFiigguurree77--1166ActivePowerRegulation

Table7-5DescriptionofActivePowerRegulationParameters

PPaarraammeetteerr

AAccttiivveePPoowweerrSSoofftt

SSttaarrttaafftteerrFFaauulltt

AAccttiivveePPoowweerrSSoofftt

SSttaarrttTTiimmeeaafftteerrFFaauulltt

AAccttiivveePPoowweerrGGrraaddiieenntt

CCoonnttrrooll

AAccttiivveePPoowweerrDDeecclliinnee

GGrraaddiieenntt

AAccttiivveePPoowweerrRRiissiinngg

GGrraaddiieenntt

AAccttiivveePPoowweerrSSeettttiinngg

PPeerrssiisstteennccee

AAccttiivveePPoowweerrLLiimmiitt

RRaattiioo

DDRRMM

DDeessccrriippttiioonnRRaannggee

Switchforactivating/deactivatingthe

functionofactivepowersoftstartaftera

On/Off

faultoccurs

Thesoftstarttimerequiredforraisingactive

powerfrom0toratedvalueafterafault

occurs

Setwhethertoenableactivepowergradient

control

Declinegradientofinverteractivepowerper

minute

Risinggradientofinverteractivepowerper

minute

1s–1200

On/Off

3%/min–

6000

%/min

Switchforactivating/deactivatingthe

functionofactivepowersettingpersistence

Switchforlimitingactivepower

Theratioofactivepowerlimittoratedpower

inpercentage

Switchforactivating/deactivatingtheDRM

function

On/Off

0.0%–

110.0%

On/Off

RReeaaccttiivveePPoowweerrRReegguullaattiioonn

TapSSeettttiinnggss→→PPoowweerrRReegguullaattiioonnPPaarraammeetteerrss→→RReeaaccttiivveePPoowweerrRReegguullaattiioonntoenter

thescreen,asshowninthefollowingfigure.

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UserManual7iSolarCloudApp

FFiigguurree77--1177ReactivePowerRegulation

Table7-6DescriptionofReactivePowerRegulationParameters

PPaarraammeetteerr

RReeaaccttiivveePPoowweerr

SSeettttiinnggPPeerrssiisstteennccee

DDeessccrriippttiioonnRRaannggee

Switchforactivating/deactivatingthe

functionofreactivepowersetting

On/Off

persistence

RReeaaccttiivveePPoowweerr

RReegguullaattiioonnMMooddee

RReeaaccttiivveeRReessppoonnssee

TTiimmee

Off/PF/Qt/Q(P)/Q(U)

Switchforactivating/deactivatingthe

functionofreactiveresponse

Timeforreactiveresponse

Off/PF/Qt/Q

(P)/Q(U)

On/Off

0.2s

""OOffff""MMooddee

Thereactivepowerregulationfunctionisdisabled.ThePFisfixedat+1.000.

""PPFF""MMooddee

Thepowerfactor(PF)isfixedandthereactivepowerisregulatedbytheparameterPF.

ThePFrangesfrom0.8leadingto0.8lagging.

• Leading:theinverterissourcingreactivepowertothegrid.

• Lagging:theinverterisinjectingreactivepowerintothegrid.

""QQtt""MMooddee

IntheQtmode,thereactivepowercanberegulatedbytheparameterQ-Varlimits(in

%). The system rated reactive poweris fixed, the system injects reactive power

accordingto thedelivered reactivepowerratio. The"Reactive PowerRatio"is set

throughtheApp.

Thesettingrangeofthereactivepowerratioisfrom-100%to100%,correspondingto

therangesofinductiveandcapacitivereactivepowerregulationrespectively.

""QQ((PP))""MMooddee

ThePFoftheinverteroutputvariesinresponsetotheoutputpoweroftheinverter.

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7iSolarCloudAppUserManual

Table7-7"Q(P)"ModeParametersExplanation

PPaarraammeetteerrEExxppllaannaattiioonnRRaannggee

Q(P)CurveSelectcorrespondingcurveaccordingtolocal

A,B,C

regulations

QP_P1OutputpoweratpointP1ontheQ(P)modecurve

(in%)

QP_P2OutputpoweratpointP2ontheQ(P)modecurve

(in%)

QP_P3OutputpoweratpointP3ontheQ(P)modecurve

(in%)

20.0%–100.0

QP_K1PowerfactoratpointP1ontheQ(P)modecurveCurveA/C:

QP_K2PowerfactoratpointP2ontheQ(P)modecurve

0.800to1.000

CurveB:-0.600

QP_K3PowerfactoratpointP3ontheQ(P)modecurve

QP_

VoltageforQ(P)functionactivation(in%)

EnterVoltage

QP_

VoltageforQ(P)functiondeactivation(in%)

ExitVoltage

QP_

PowerforQ(P)functiondeactivation(in%)

to0.600

100.0%–110.0

90.0%–100.0

1.0%–20.0%

ExitPower

QP_

EnableMode

Unconditionalactivation/deactivationofQ(P)

function

*CurveCisreservedandconsistentwithCurveAcurrently.

FFiigguurree77--1188ReactivePowerRegulationCurveinQ(P)Mode

""QQ((UU))""MMooddee

Yes,No

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UserManual7iSolarCloudApp

Thereactivepoweroutputoftheinvertervariesinresponsetothegridvoltage.

Table7-8"Q(U)"ModeParameterExplanation

PPaarraammeetteerr

Q(U)curve

Hysteresis

Ratio

QU_V1

QU_V2

QU_V3

QU_V4

QU_Q1

QU_Q2

EExxppllaannaattiioonnRRaannggee

Selectcorrespondingcurveaccordingtolocal

regulations

VoltagehysteresisratioontheQ(U)modecurve

GridvoltagelimitatpointP1ontheQ(U)mode

curve(in%)

GridvoltagelimitatpointP2ontheQ(U)mode

curve(in%)

GridvoltagelimitatpointP3ontheQ(U)mode

curve(in%)

GridvoltagelimitatpointP4ontheQ(U)mode

curve(in%)

ValueofQ/SnatpointP1ontheQ(U)modecurve

(in%)

ValueofQ/SnatpointP2ontheQ(U)modecurve

(in%)

A,B,C

0.0%–5.0%

80.0%–100.0

80.0%–110.0

100.0%–

120.0%

100.0%–

120.0%

-60.0%to0.0

-60.0%to60.0

QU_Q3

QU_Q4

QU_

ValueofQ/SnatpointP3ontheQ(U)modecurve

(in%)

ValueofQ/SnatpointP4ontheQ(U)modecurve

(in%)

ActivepowerforQ(U)functionactivation(in%)

EnterPower

QU_

ActivepowerforQ(U)functiondeactivation(in%)

ExitPower

QU_

EnableMode

QU_Limited

Unconditionalactivation/deactivationofQ(U)

function

PresetPFvalue0–0.95

PFValue

*CurveCisreservedandconsistentwithCurveAcurrently.

-60.0%to60%

0.0%to60.0%

20.0%–100.0

1.0%–20.0%

Yes,No,Yes(-

LimitedbyPF)

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7iSolarCloudAppUserManual

FFiigguurree77--1199ReactivePowerRegulationCurveinQ(U)Curve

7.10.4CommunicationParameters

TapSSeettttiinnggss→→CCoommmmuunniiccaattiioonnPPaarraammeetteerrssto enterthecorrespondingscreen,as

showninthefollowingfigure.Thedeviceaddressrangesfrom1to246.

FFiigguurree77--2200CommunicationParameters

7.10.5FirmwareUpdate

Toavoiddownloadfailureduetopooron-sitenetworksignal,itisrecommendedto

downloadthefirmwarepackagetothemobiledeviceinadvance.

Step1Enablethe"Mobiledata"ofthemobiledevice.

Step2OpentheApp,tap

attheupperrightcornerandselectFFiirrmmwwaarreeDDoowwnnllooaadd.

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UserManual7iSolarCloudApp

FFiigguurree77--2211FirmwareDownload

Step3Select thefirmware fromthe filelist anddownload. TapDDoowwnnllooaaddeedd toview

successfullydownloadedfirmwarepackage.

FFiigguurree77--2222DownloadingFirmwarePackage

Step4LogintheAppvialocalaccessmode.Referto"7.4Login".

Step5TabMMoorreeon theApphome screenand thentab FFiirrmmwwaarreeUUppggrraaddee.Select the

desiredupgradepackagetoupgradethefirmware.

FFiigguurree77--2233UpdatingFirmware

----EEnndd

Page 94

SystemDecommissioning

8.1DisconnectingtheInverter

Formaintenanceorotherservicework,theinvertermustbeswitchedoff.

Proceedas followstodisconnecttheinverterfromtheACandDCpowersources.

Lethalvoltagesordamagetotheinverterwillfollowifotherwise.

Step1DisconnecttheexternalACcircuitbreakerandsecureitagainstreconnection.

Step2RotatetheDCswitchtothe"OFF"positionfordisconnectingallofthePVstringinputs.

Step3Waitabout10minutesuntilthecapacitorsinsidetheinvertercompletelydischarge.

Step4EnsurethattheDCcableiscurrent-freeviaacurrentclamp.

Step5InsertaMC4wrenchintothenotchandpressthewrenchwithanappropriateforceto

removetheDCconnector.

Step6OOppttiioonnaall::RemovetheblockwiththePhillipsscrewdriver.

Step7LaythetoolinthelocationofsnapandpressthetooldowntoremovetheACconnector.

EnsurethattheACwiringterminalsarevoltage-freeviaamultimeter,andremovethe

ACwiresandcommunicationwires.

Step8InstalltheMC4waterproofplugs.

Page 95

UserManual8SystemDecommissioning

Forfurtherdisconnectionandreconnectioninstructions,pleasevisitthe

webpageofrespectivecomponentmanufacturer.

----EEnndd

8.2DismantlingtheInverter

Riskofburninjuriesandelectricshock!

Donottouchanyinnerlivepartsuntilforatleast10minutesafterdisconnecting

theinverterfromtheutilitygridandthePVinput.

Step1Referto

steps.

Step2Dismantletheinverterreferringto

Step3Ifnecessary,removethewall-mountingbracketfromthewall.

Step4Iftheinverterwillbereinstalledinthefuture,pleasereferto

properconservation.

----EEnndd

"5ElectricalConnection"fortheinverterdisconnectionofallcablesinreverse

"4MechanicalMounting"inreversesteps.

8.3DisposaloftheInverter

Userstaketheresponsibilityforthedisposaloftheinverter.

Somepartsanddevicesoftheinverter,suchasthecapacitors,maycause

environmentalpollution.

Donotdisposeoftheproducttogetherwithhouseholdwastebutinaccordance

withthedisposalregulationsforelectronicwasteapplicableattheinstallation

site.

"3.2InverterStorage"fora

Page 96

TroubleshootingandMaintenance

9.1Troubleshooting

Whenanalarmoccurs,thealarminformationcanbeviewedthroughtheApp.

AlarmIDandcorrectivemeasuresareasfollows:

AAllaarrmmIIDDAAllaarrmmNNaammeeCCoorrrreeccttiivveeMMeeaassuurreess

001

002

Gridovervoltage

Grid

undervoltage

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

1.Measurethegridvoltage,andcontactthelocal

utilitygridcompanyforsolutionsifthegridvoltage

exceedsthespecifiedvalue.

2.Check,throughtheApp,whethertheprotection

parametersareappropriatelyset.

3.Checkwhetherthecross-sectionalareaofthe

ACcablemeetstherequirement.

4.Ifthealarmpersists,contactSUNGROW.

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

1.Measurethegridvoltage,andcontactthelocal

utilitygridcompanyforsolutionsifthegridvoltage

isbelowthespecifiedvalue.

2.Check,throughtheApp,whethertheprotection

parametersareappropriatelyset.

3.CheckwhethertheACcableisfirmlyinplace.

4.Ifthealarmpersists,contactSUNGROW.

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UserManual9TroubleshootingandMaintenance

AAllaarrmmIIDDAAllaarrmmNNaammeeCCoorrrreeccttiivveeMMeeaassuurreess

003

Grid

overfrequency

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

1.Measurethegridfrequency,andcontactthe

localutilitygridcompanyforsolutionsifthegrid

004

Grid

underfrequency

frequencyisbeyondthespecifiedrange.

2.Check,throughtheApp,whethertheprotection

parametersareappropriatelyset.

3.Ifthealarmpersists,contactSUNGROW.

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

1.Checkwhetherthegridsuppliespowerreliably.

2.CheckwhethertheACcableisfirmlyinplace.

005NoGrid

3.CheckwhethertheACcableiscorrectly

connected(whetherthelivewireandtheNwire

areincorrectplace).

4.CheckwhethertheACswitchorcircuitbreaker

isdisconnected.

5.Ifthealarmpersists,contactSUNGROW.

1.Thealarmcanbecausedbypoorsunlightor

dampenvironment,andtheinverterwillbe

reconnectedtothegridaftertheenvironmentis

006

Overhigh

leakagecurrent

improved.

2.Iftheenvironmentisnormal,checkwhetherthe

ACandDCcablesarewellinsulated.

3.Ifthealarmpersists,contactSUNGROW.

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

007Gridabnormal

1.Measurethegridfrequency,andcontactthe

localutilitygridcompanyforsolutionsifthegrid

frequencyexceedsthespecifiedvalue.

2.Ifthealarmpersists,contactSUNGROW.

Page 98

9TroubleshootingandMaintenanceUserManual

AAllaarrmmIIDDAAllaarrmmNNaammeeCCoorrrreeccttiivveeMMeeaassuurreess

Generally,theinverterwillbereconnectedtothe

gridafterthegridrecovers.Ifthealarmoccurs

frequently:

1.Measurethegridvoltage.Ifthegridphase

voltagediffersgreatly,contacttheutilitygrid

008

Gridvoltage

unbalance

companyforsolutions.

2.Ifthevoltagedifferencebetweenthethree

phasesiswithinthepermissiblerangeofthelocal

utilitygridcompany,modifytheparametersetting

throughtheApp.

3.Ifthealarmpersists,contactSUNGROW.

1.Checkwhetherthecorrespondingstringisof

reversepolarity.Ifso,disconnecttheDCswitch

andadjustthepolaritywhenthesolarradiationis

lowandthestringcurrentdropsbelow0.5A.

2.CheckwhetherPVstringsconnectedtothe

009

PVreverse

connectionfault

sameMPPThavethesamenumberofPVmodules.

Ifnot,takecorrectivemeasures.

3.Ifthealarmpersists,contactSUNGROW.

1.Checkwhethertheinverterisdirectlyexposedto

sunlight.Ifso,takesomeshadingmeasures.

012

Highambient

temperature

2.Checkandcleantheairducts.

3.Checkwhetherthesub-alarmID070(fanalarm)

occursthroughtheApp.Ifso,replacethefaultyfan.

4.Ifthealarmpersists,contactSUNGROW.

1.Stopanddisconnecttheinverter.

Lowambient

013

temperature

2.Restarttheinverterwhentheambient

temperatureiswithinthepermissiblerange.

Page 99

UserManual9TroubleshootingandMaintenance

AAllaarrmmIIDDAAllaarrmmNNaammeeCCoorrrreeccttiivveeMMeeaassuurreess

Waitfortheinvertertorecover.Ifthefaultoccurs

frequently:

1.Checkwhethertheinsulationresistance

protectionvalueisextremelylargethroughtheApp,

andensurethatitcomplieswiththelocal

regulations.

2.ChecktheresistancetogroundfromthePV

module/cable.Takecorrectivemeasuresincaseof

014

LowISO

resistance

leadingtoshortcircuitordamagedinsulationlayer.

3.Ifthecableisnormalandthealarmoccurson

rainydays,checkitagainwhentheweatherturns

fine.

4.Ifthefaultoccursonacloudydaywithoutrain

butthereisstagnantwaterorvegetationonsite,

clearthewaterandvegetation.Ifthefaultpersists,

checkitagainwhentheweatherturnsfine.

5.Ifthealarmpersists,contactSUNGROW.

1.CheckwhethertheACcableiscorrectly

connected.

015

Groundingcable

fault

2.Checkwhetherthegroundingcableandwire

coresarewronglyinsulated.

3.Ifthealarmpersists,contactSUNGROW.

1.DisconnecttheDCinputsandcheckwhether

theDCcablesaredamaged,whetherthewiring

terminalsorfuses,ifnecessary,arelooseorin

poorcontact,andwhetherthereisaPVmodule

burnt.Ifso,takecorrespondingcorrective

016Arcfault

measures.

2.Aftertakingcorrespondingmeasuresinstep1,

reconnecttheDCinputs.Removethearcfault

throughtheApp,andthereforetheinverterwill

recover.

3.Ifthealarmpersists,contactSUNGROW.

Page 100

9TroubleshootingandMaintenanceUserManual

AAllaarrmmIIDDAAllaarrmmNNaammeeCCoorrrreeccttiivveeMMeeaassuurreess

1.CheckwhethertheSmartEnergyMeter

communicationcableandterminalareabnormal.If

so,removethecorrespondingabnormity.

2.ReconnecttheSmartEnergyMeter

communicationcable.

3.Ifthealarmpersists,contactSUNGROW.

Theinvertercanoperatenormally.

1.Checkwhethertherelatedcableconnectionand

terminalsareabnormal,andcheckwhetherthe

ambientenvironmentisabnormal.Ifso,take

correctivemeasures.

2.Ifthealarmpersists,contactSUNGROW.

1.Waitfortheinvertertorecover.

2.DisconnecttheACandDCswitchesorcircuit

breakers,andconnectthemagainafter15minutes.

3.Ifthealarmpersists,contactSUNGROW.

019

063

064

SmartEnergy

Meter

communication

error

Systemalarm

Systemfault

9.2Maintenance

9.2.1 MaintenanceNotices

TheDCswitchcanbesecuredwithalockintheOFFpositionoracertainanglebeyond

theOFFposition.

Riskofinverterdamageorpersonalinjuryduetoincorrectservice!

• Alwayskeepinmindthattheinverterispoweredbydualsources:PVstrings

andutilitygrid.

Beforeanyservicework,observethefollowingprocedure.

• DisconnecttheACcircuitbreakerandthensettheDCload-breakswitchof

theinvertertoOFF;

• Waitatleast10minutesforinnercapacitorstodischargecompletely;

• Verifythatthereisnovoltageorcurrentbeforepullinganyconnector.

Keepnon-relatedpersonsaway!

Atemporarywarningsignorbarriermustbepostedtokeepnon-related

personsawaywhileperformingelectricalconnectionandservicework.

Sungrow SG5.0RT, SG17RT, SG4.0RT, SG12RT, SG10RT User guide

Specifications and Main Features

Frequently Asked Questions

User Manual

AllRightsReserved

AboutThisManual

Safety

1.1PVPanels

1.2UtilityGrid

1.3Inverter

ProductDescription

2.1SystemIntroduction

2.2ProductIntroduction

2.3SymbolsontheProduct

2.4LEDIndicator

2.5CircuitDiagram

2.6FunctionDescription

UnpackingandStorage

3.1UnpackingandInspection

3.2InverterStorage

MechanicalMounting

4.1SafetyduringMounting

4.2LocationRequirements

4.2.1 EnvironmentRequirements

4.2.2 CarrierRequirements

4.2.3 AngleRequirements

4.2.4 ClearanceRequirements

4.3InstallationTools

4.4MovingtheInverter

4.5InstallingtheInverter

ElectricalConnection

5.1SafetyInstructions

5.2TerminalDescription

5.3ElectricalConnectionOverview

5.4AdditionalGroundingConnection

5.4.1 AdditionalGroundingRequirements

5.4.2 ConnectionProcedure

5.5ACCableConnection

5.5.1 ACSideRequirements

5.5.2 AssemblingtheACConnector(<15kW)

5.5.3 InstallingtheACConnector(<15kW)

5.5.4 AssemblingtheACConnector(≥15kW)

5.5.5 InstallingtheACConnector(≥15kW)

5.6DCCableConnection

5.6.1 PVInputConfiguration

5.6.2 AssemblingthePVConnectors

5.6.3 InstallingthePVConnectors

5.7WiNet-SConnection

5.7.1 EthernetCommunication

5.7.2 WLANCommunication

5.8WiFiConnection(forBrazil)

5.9MeterConnection

5.9.1 AssemblingtheCOMConnector

5.9.2 InstallingtheCOMConnector

5.10RS485Connection

5.10.1RS485CommunicationSystem

5.10.2AssemblingtheCOMConnector

5.10.3InstallingtheCOMConnector

5.11DOConnection

5.12DRMConnection

5.13DIConnection

Commissioning

6.1InspectionbeforeCommissioning

6.2PoweringontheSystem

6.3AppPreparation

6.4CreatingaPlant

6.5InitializingtheDevice

6.6ConfiguringthePlant

iSolarCloudApp

7.1BriefIntroduction

7.2InstallingtheApp

7.3AccountRegistration

7.4Login

7.4.1 Requirements

7.4.2 LoginProcedure

7.5InitialSettings

7.6FunctionOverview

7.7Home

7.8RunInformation

7.9Records