SolarEdge storedge User manual


SolarEdge

StorEdge
Installation Guide
For North America
Version 1.0

Disclaimers
Important Notice
Copyright©SolarEdgeInc.Allrightsreserved.
Nopartofthisdocumentmaybereproduced,storedinaretrievalsystemortransmitted,inanyformor
byanymeans,electronic,mechanical,photographic,magneticorotherwise,withoutthepriorwritten
permissionofSolarEdgeInc.
Thematerialfurnishedinthisdocumentisbelievedtobeaccurateandreliable.However,SolarEdge
assumesnoresponsibilityfortheuseofthismaterial.SolarEdgereservestherighttomakechangestothe
materialatanytimeandwithoutnotice.YoumayrefertotheSolarEdgewebsite
(http://www.solaredge.us)forthemostupdatedversion.
Allcompanyandbrandproductsandservicenamesaretrademarksorregisteredtrademarksoftheir
respectiveholders.
Patentmarkingnotice:seehttp://www.solaredge.us/groups/patent
ThegeneraltermsandconditionsofdeliveryofSolarEdgeshallapply.
Thecontentofthesedocumentsiscontinuallyreviewedandamended,wherenecessary.However,
discrepanciescannotbeexcluded.Noguaranteeismadeforthecompletenessofthesedocuments.
Theimagescontainedinthisdocumentareforillustrativepurposesonlyandmayvarydependingon
productmodels.
FCC Compliance
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuant
topart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterference
toradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcan
bedeterminedbyturningtheequipmentoffandon,youareencouragedtotrytocorrectthe
interferencebyoneormoreofthefollowingmeasures:
lReorientorrelocatethereceivingantenna.
lIncreasetheseparationbetweentheequipmentandthereceiver.
lConnecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris
connected.
lConsultthedealeroranexperiencedradio/TVtechnicianforhelp.
Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancemayvoidthe
user’sauthoritytooperatetheequipment.
Disclaimers
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Contents
Disclaimers 1
ImportantNotice 1
FCCCompliance 1
Contents 2
HANDLING AND SAFETY INSTRUCTIONS 5
SAFETYSYMBOLS 5
IMPORTANTINVERTERSAFETYINSTRUCTIONS 5
Chapter 1: Overview 8
TheStorEdgeSolutionComponents 8
InstallationWorkflow 9
Chapter 2: Installing the Power Optimizers 10
Safety 10
PackageContents 12
InstallationGuidelines 12
Step1:MountingandGroundingthePowerOptimizers 12
Step2:ConnectingaPVModuletoaPowerOptimizer 14
Step3:ConnectingPowerOptimizersinStrings 15
Step4:VerifyingProperPowerOptimizerConnection 16
Chapter 3: Installing the Inverter 17
InverterPackageContents 17
IdentifyingtheInverter 17
InverterInterfaces 18
StorEdgeConnectionUnitInterfaces 19
OpeningConduitKnockouts 20
MountingtheInverter 22
Chapter 4: Auto-transformer and Backed-up Loads Panel Installation (for Backup Only) 24
MountingtheAuto-transformer 25
InstallingtheBacked-upLoadsPanel 25
Chapter 5: Electricity Meter Installation 26
Chapter 6: StorEdge Inverter Connections 27
Installingthe9VBattery 28
ConnectingtoDC 29
ConnectingthePVStrings 29
ConnectingtotheBattery 30
ConnectingtoAC 34
ConnectingtotheAuto-transformer 34
ConnectingtotheGridandtoBacked-upLoads 36
ConnectingCommunicationtotheMeter 37
DIPSwitchSetupaccordingtoSystemApplication 38
Chapter 7: User Interface 39
LCDUserButtons 39
RemovingtheInverterCover 39
InverterConfiguration–SetupMode 40
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Contents

ConfiguringtheInverterUsingtheLCDUserButtons 40
ConfiguringtheInverterUsingtheLCDLightButton 43
ConfigurationMenuOptions 45
CountryandGrid 45
Language 45
Communication 45
PowerControl 47
Display 47
Maintenance 48
Information 48
StatusScreens-OperationalMode 49
InitialStatus 49
MainInverterStatus 49
EnergyMeterStatus 50
TelemetryStatus 50
IDStatus 51
ServerCommunicationStatus 51
IPStatus 51
ZigBeeStatus 51
CellularStatus 52
GSMStatus 52
CommunicationPortsStatus 52
SmartEnergyManagementStatus 53
PowerControlStatus 53
BatteryStatus 54
TimeOfUseStatus 54
Chapter 8: Commissioning the Installation 55
Step1:ActivatingtheSystem 55
Step2:PairingPowerOptimizerstotheInverter 58
Step3:VerifyingProperOperation 60
Step4:ReportingandMonitoringInstallationData 60
TheSolarEdgeMonitoringSystem 60
ProvidingInstallationInformation 61
PaperTemplate 61
SiteMapper 61
CreatingaSiteintheSolarEdgeMonitoringPortal 61
Chapter 9: System Configuration 62
ConfiguringtheRS485BusforBatteryandMeterConnection 62
ConfiguringStorEdgeApplication 65
MaximizeSelf-consumption 65
ProfileProgramming(fortimeofusearbitrage) 65
BackupPower 65
SystemConfiguration 65
VerifyingStorEdgeComponentsFunctionality 68
Chapter 10: Setting Up Communication to the Monitoring Portal 71
Contents
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CommunicationTypes 72
CommunicationConnectors 72
CreatinganEthernet(LAN)Connection 73
CreatinganRS485BusConnection 75
VerifyingtheConnection 78
Appendix A: Troubleshooting 79
CommunicationTroubleshooting 79
Devicetype,numberandprotocolaredisplayedincorrectly 79
TroubleshootingEthernetCommunication 79
MeterTroubleshooting 80
<OK>isnotdisplayed 80
Anerrormessageisdisplayed 81
Total[Wh]Importvalueisnotadvancing 81
BatteryTroubleshooting 82
AdditionalStorEdgeTroubleshooting 82
ErrorCodes 83
GeneralInverterErrorCodes 84
StorEdge-relatedErrorsCodes 87
SystemWarnings 87
StorEdgeConnectionUnitLEDs 88
PowerOptimizerTroubleshooting 88
Appendix B: Replacing and Adding System Components 90
ReplacinganInverter 90
9VBatteryReplacement 91
FuseReplacement 92
StorEdgeConnectionUnitReplacement 92
RemovingtheExistingStorEdgeConnectionUnit 92
InstallingaNewStorEdgeConnectionUnit 93

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Contents

HANDLING AND SAFETY INSTRUCTIONS
Duringinstallation,testingandinspection,adherencetoallthehandlingandsafetyinstructionsis
mandatory.
SAFETYSYMBOLS
Thefollowingsafetysymbolsareusedinthisdocument.Familiarizeyourselfwiththesymbolsandtheir
meaningbeforeinstallingoroperatingthesystem.
WARNING!
Denotes a hazard. It calls attention to a procedure that, if not correctly performed or adhered to,
could result in injury or loss of life. Do not proceed beyond a warning note until the indicated
conditions are fully understood and met.
Dénote un risque: il attire l'attention sur une opération qui, si elle n'est pas faite ou suivi
correctement, pourrait causer des blessures ou un danger de mort. Ne pas dépasser une telle note
avant que les conditions requises soient totallement comprises et accomplies.
CAUTION!
Denotes a hazard. It calls attention to a procedure that, if not correctly performed or adhered to,
could result in damage or destruction of the product. Do not proceed beyond a caution sign
until the indicated conditions are fully understood and met.
Dénote un risque: il attire l'attention sur une opération qui, si elle n'est pas faite ou suivi
correctement, pourrait causer un dommage ou destruction de l'équipement. Ne pas dépasser une
telle note avant que les conditions requises soient totallement comprises et accomplies.
NOTE
Denotes additional information about the current subject.
IMPORTANT SAFETY FEATURE
Denotesinformationaboutsafetyissues.

IMPORTANTINVERTER SAFETYINSTRUCTIONS
SAVETHESEINSTRUCTIONS
WARNING
RISK OF ELECTRIC SHOCK AND FIRE. Use this inverter only with PV modules with a maximum
system voltage rating of 600V or higher.
RISQUE DE CHOC ELECTRIQUE ET D’INCENDIE. Utilisez cet onduleur seulement avec des
modules PV spécifiés pour une tension de système maximum de 600V ou plus.
WARNING!
The inverter cover must be opened only after shutting off the inverter ON/OFF switch located at the
bottom of the inverter. This disables the DC voltage inside the inverter. Wait five minutes before
opening the cover. Otherwise, there is a risk of electric shock from energy stored in the capacitors.
Ne pas ouvrir le couvercle de l'onduleur avant d'avoir coupé l'interrupteur situé en dessous de
l'onduleur. Cela supprime les tensions CC et CA de l'onduleur. Attendre que le LCD affiche une
tension sécurisée (50V). Si l’affichage LCD n’est pas visible, attendre cinq minutes avant d’ouvrir le
couvercle. Sinon, il y a un risque de choc électrique provenant de l'énergie stockée dans le
condensateur.
HANDLING AND SAFETY INSTRUCTIONS
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WARNING!
Before operating the inverter, ensure that the inverter is grounded properly.
Avant d'utiliser l'onduleur monophasé, assurez-vous que l'onduleur est correctement mis à la terre.
WARNING!
Opening the inverter and repairing or testing under power must be performed only by qualified service
personnel familiar with this inverter.
L’unité ne doit être ouverte que par un technicien qualifié dans le cadre de l'installation et de la
maintenance.
WARNING!
The StorEdge Connection Unit meets all requirements for a code-compliant installation of this
ungrounded system. The DC section disconnects both the positive and negative conductors.
Le sectionneur externe (inclus) repond aux exigences de conformité pour l’installation de ce système
non-relié à la terre. Le coupeur CC ouvre les conducteurs positifs et négatifs.
WARNING!
The inverter must be connected to a dedicated AC branch circuit with a maximum Overcurrent
Protection Device (OCPD) of 40 A.
Les onduleurs doivent être connectés à un branchement AC dédié avec un disjoncteur de 40A.
WARNING!
The inverter input and output circuits are isolated from the enclosure. This system does not include
an isolation transformer and should be installed with an ungrounded PV array in accordance with the
requirements of NEC Articles 690.35 and 690.43 National Electric Code, ANSI/NFPA 70, 2011 (and
Canadian Electrical Code, Part I, for installations in Canada).
Equipment grounding is the responsibility of the installer and must be performed in accordance with
all applicable Local and National Codes.
Les circuits d’entrée et de sortie de l’onduleur sont isolés de l’enveloppe. Ce système n’inclut pas
d’isolation galvanique (transformateur) et devra être installé sans mise à la terre du champ PV et en
accord avec les articles 690.35 et 690.43 du National Electric Code (NEC), ANSI/NFPA 70, 2011 (et
du Code Electrique Canadien, Partie 1, pour les installations faites au Canada).
La mise à la terre des équipements est la responsabilité de l’installateur et doit être faite en accord
avec les toutes les règles locales et nationales applicables.
CAUTION!
This unit must be operated under the specified operating specifications, as described in the latest
technical specification datasheet, available on the SolarEdge website at
http://www.solaredge.us/groups/us/products/overview .
Cette unité doit être utilisée selon les spécifications de fonctionnement, comme décrit dans la
dernière fiche technique des spécifications, disponible sur le site web de SolarEdge,
http://www.solaredge.us/groups/us/products/overview.
CAUTION!
HEAVY OBJECT. To avoid muscle strain or back injury, use proper lifting techniques, and if required
- a lifting aid when removing or replacing.
Objet lourd. Pour éviter la fatigue musculaire ou des blessures au dos, utilisez des techniques de
levage appropriées et, si nécessaire - un auxiliaire de levage lors du retrait ou du remplacement.
NOTE
Use only copper conductors rated for a minimum of 75°C/167°F.
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IMPORTANTINVERTER SAFETYINSTRUCTIONS

NOTE
This inverter is provided with an IMI (Isolation Monitor Interrupter) for ground fault protection.
NOTE
The symbol appears at grounding points on the SolarEdge equipment. This symbol is also used in
this manual.
WARNING!
Shutting off the AC breaker does not disable the DC voltage inside the inverter. To obtain safe DC
voltage, turn off the inverter ON/OFF switch or the StorEdge Connection Unit ON/OFF switch.
En mode autonome, la fermeture du coupeur CA n’élimine pas la tension CC à l’intérieur de
l’onduleur. Afin d’obtenir une tension CC sécurisée, mettez l’interrupteur du coupeur CC de l’onduleur
ou celui du coupeur CC de l’unité StorEdge en position OFF.
WARNING!
Before operating the system, ensure that the inverter has been grounded properly.
Avant d'utiliser l'onduleur monophasé, assurez-vous que l'onduleur est correctement mis à la terre.
WARNING!
When handling the battery, adhere to all manufacturer safety instructions.
Durant la manipulation de la batterie, adhérez à toutes les instructions de sécurité du fabricant.
CAUTION!
This unit must be operated under the specified operating conditions as described in the technical
specifications supplied with the unit.
Cette unité doit être opérée suivant les instructions trouvées dans le manuel fourni avec le produit.
NOTE
The battery used must be NRTL certified.
NOTE
For battery decommissioning and disposal, follow the manufacturer requirements and instructions.
NOTE
The StorEdge Connection Unit is NEMA type 3R rated . Unused conduit openings and glands should
be sealed with appropriate seals.
HANDLING AND SAFETY INSTRUCTIONS
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Chapter 1: Overview
StorEdge™isSolarEdge'sall-in-onesolutionthatusesasingleon-gridDCoptimizedinvertertomanage
andmonitorbothsolarpowergenerationandenergystorage.Homeownersareautomaticallyprovided
withbackuppowerintheeventofgridinterruptiontopowerpre-selectedloads.Solarenergycanbe
storedinabatteryforSmartEnergyManagementapplicationssuchasexportcontrol,offeringdemand
responseandpeakshaving,andperformingtimeofuseshiftingforreducedelectricbills.
The StorEdge Solution Components
lThe StorEdge Inverter with StorEdge Connection Unit -Theinvertermanagesbatteryandsystem
energy,inadditiontoitstraditionalfunctionalityasaDC-optimizedPVinverter.
TheStorEdgeConnectionUnit,locatedatthebottomoftheinverter,allowssimpleinstallationand
connectivitytoothersystemcomponentsandincludesaDCSafetySwitch.
lThe SolarEdge Electricity Meter-Themeterisusedbytheinverterforexport/consumption
readings,andforSmartEnergyManagementapplications,suchas:exportlimitation,time-of-use
profileprogrammingandmaximizingself-consumption.
ThemeterisrequiredonlyinsystemsusingSmartEnergyManagementapplications(itisnotrequired
forStorEdgesystemsusedonlyforbackuppower).
lThe Auto-transformer-Theauto-transformerhandlesthephaseloadbalancing.Itisrequiredonlyin
systemsprovidingbackuppower.
lThe Battery-ADCcoupledbatterydesignedtoworkwiththeSolarEdgesystem.
Figure 1: StorEdge system components
NOTE
lAdditional SolarEdge inverters (without batteries) can be connected with RS485. The inverters will
participate in export limitation and maximizing self-consumption (Maximizing self-consumption for
multiple inverters supported from Q2 2016).
Connecting multiple inverters with RS485 master-slave connection requires an RS485 Expansion
Kit (available from SolarEdge).
lPV modules connected to power optimizers are not mandatory for Time of Use (TOU) profile
programming and for backup power.
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Chapter 1: Overview

Installation Workflow
WheninstallingtheStorEdgesystem,followthisworkflowtoensureallthecomponentsareconnected
andfunctioningcorrectly.
Step 1-PV system installation-modules,poweroptimizersandinverter:
lPoweroptimizers-asdescribedinInstallingthePowerOptimizersonpage10.
lInverter-asdescribedinInstallingtheInverteronpage17.
Step 2-SolarEdge Auto-transformer and AC load panel installation (required for Backup Power
only):RefertoAuto-transformerandBacked-upLoadsPanelInstallation(forBackupOnly)onpage24.
Step 3- Electricity Meter installation (required for Smart Energy Management).RefertoElectricity
MeterInstallationonpage26.
Step 4-Connect the battery to the inverter and mount the battery1.Refertotheinstallation
informationinthemanufacturerdocumentation,andtoStorEdgeInverterConnectionsonpage27.
Step 5 - Connect all components to the inverter-connecttheautotransformerandloads(AC),PV
strings(DC),andmeter.RefertoStorEdgeInverterConnectionsonpage27.
Step 6 - Commissioning the inverter-Activatethesystemandpairthepoweroptimizers.Referto
CommissioningtheInstallationonpage55.
Step 7-Configuring the StorEdge application.RefertoConfiguringStorEdgeApplicationonpage65.
Step 8-Connecting communication between the inverter and monitoring portal.RefertoSettingUp
CommunicationtotheMonitoringPortalonpage71.
ThefollowingflowchartappearsthroughoutthisInstallationGuidetoassistwiththeinstallationsteps:
1To gain better accessibility to the battery connection panel, it is recommended to connect the battery cables before
mounting it on the wall.
Chapter 1: Overview
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Chapter 2: Installing the Power Optimizers
Safety
Thefollowingnotesandwarningsapplywheninstallingthepoweroptimizers.modules:
WARNING!
When modifying an existing installation, turn OFF the inverter ON/OFF switch, the StorEdge
Connection Unit Safety Switch and the AC circuit breaker on the main AC distribution panel.
Avant de faire ces étapes, éteignez l'onduleur monophasé en mettant sur OFF l'interrupteur
ON/OFF situé au bas de l'onduleur.
WARNING!
Input and output connectors are not watertight until mated. Open connectors should be mated to
each other or plugged with appropriate watertight caps.
Les connecteurs d’entrée et sortie ne sont pas étanches jusqu'à ce qu’ils soient accouplés. Les
connecteurs doivent être accouplés ou fermés avec des terminaux étanches.
CAUTION!
This unit must be operated according to the operating specifications provided with the unit.
Cette unité doit être opérée suivant les instructions trouvées dans le manuel fourni avec le produit.
CAUTION!
Cutting the power optimizer input or output cable connector is prohibited and will void the warranty.
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Chapter 2: Installing the Power Optimizers

Sectionner les cables d’entrées ou de sortie de l’optimiseur est interdit et annule sa garantie.
CAUTION!
Power optimizers are IP65/NEMA4 rated. Choose a mounting location where optimizers will not be
submerged in water.
Les optimiseurs de puissances sont compatibles à la norme IP65/NEMA4. Choisissez le lieu de
montage tel que l’optimiseur ne puisse pas être submergé par l’eau.
CAUTION!
All PV modules must be connected to a power optimizer.
Tous les modules doivent être connectés à un optimiseur de puissance.
CAUTION!
If you intend to mount the optimizers directly to the module or module frame, first consult the module
manufacturer for guidance regarding the mounting location and the impact, if any, on module
warranty. Drilling holes in the module frame should be done according to the module manufacturer
instructions.
Pour installation à même le module ou la monture du module, consultez d'abord le fabricant du
module sur la position et son impact sur la garantie du module. Le perçage de trous dans le cadre du
module devra se faire suivant les instructions du fabricant.
CAUTION!
Installing a SolarEdge system without ensuring compatibility of the module connectors with the
optimizer connectors may be unsafe and could cause functionality problems such as ground faults,
resulting in inverter shut down. In order to ensure mechanical compatibility of the SolarEdge
optimizers and the modules to which they are connected:
lUse identical connectors from the same manufacturer and of the same type on both the power
optimizers and on the modules; or
lVerify that the connectors are compatible in the following way:
lThe connector manufacturer should explicitly verify compatibility with the SolarEdge
optimizer connector; and
lA third-party test report by one of the listed external labs (TUV, VDE, Bureau Veritas UL,
CSA, InterTek) should be obtained, verifying the compatibility of the connectors.
Les connecteurs du module doivent être mécaniquement compatibles avec les optimiseurs de
puissance. Sinon, le système SolarEdge installé peut être dangereux ou causer des problèmes
fonctionnels, tels que les défauts de terre, qui peuvent provoquer un arrêt de l’onduleur. Afin
d'assurer la compatibilité mécanique entre les optimiseurs de puissance SolarEdge et les modules
auxquels ils sont connectés, il faut :
lUtiliser des connecteurs identiques du même fabricant et du même type aussi bien pour les
optimiseurs de puissance que pour les modules.
lVérifiez que les connecteurs sont compatibles de la manière suivante:
oLe fabricant du connecteur doit explicitement vérifier la compatibilité avec le connecteur
SolarEdge.
oUn rapport de test de tierce partie doit être effectué par l’un des laboratoires externes indiqués
ci-dessous:(TUV, VDE, Bureau Veritas UL, CSA,Intertek), qui vérifiera la compatibilité des
connecteurs.
IMPORTANT SAFETY FEATURE
Modules with SolarEdge power optimizers are safe. They carry only a low safety voltage before the
inverter is turned ON. As long as the power optimizers are not connected to the inverter or the
inverter is turned OFF, each power optimizer will output a safe voltage of 1V.
Chapter 2: Installing the Power Optimizers
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Package Contents
lPoweroptimizers
lStainlesssteelgroundinglockwashers
Installation Guidelines
lThestepsinthischapterrefertomoduleadd-onpoweroptimizers.Forsmartmodules,startfrom
Step3:ConnectingPowerOptimizersinStringsonpage15.Alsorefertothedocumentationsupplied
withthesmartmodules.
lThepoweroptimizercanbeplacedinanyorientation.
lPositionthepoweroptimizercloseenoughtoitsmodulesothattheircablescanbeconnected.
lToallowforheatdissipation,maintaina2.5cm/1"clearancedistancebetweenthepoweroptimizer
andothersurfaces.
lTheminimumandmaximumstringlengthguidelinesarestatedinthepoweroptimizerdatasheets.
lRefertotheSolarEdgeSiteDesignerforstringlengthverification.TheSolarEdgeSiteDesigneris
availableontheSolarEdgewebsiteathttp://www.solaredge.us/groups/support/downloads,under
SoftwareTools.
lCompletelyshadedmodulesmaycausetheirpoweroptimizerstotemporarilyshutdown.Thiswill
notaffecttheperformanceoftheotherpoweroptimizersinthestring,aslongastheminimum
numberofunshadedpoweroptimizersconnectedinastringofmodulesismet.Ifundertypical
conditionsfewerthantheminimumoptimizersareconnectedtounshadedmodules,addmore
optimizerstothestring.
lDonotleavethepoweroptimizersconnectorsdisconnected.Openconnectorsshouldbematedto
eachother.
lEquipmentgroundingtighteningtorques:4-6AWG:45lb-in,8AWG:40lb-in,10-14AWG:35lb-in.
NOTE
The images contained in the following sections are for illustrative purposes only and may vary
depending on product models.
Step 1: Mounting and Grounding the Power
Optimizers
Foreachofthepoweroptimizers1:
1. Determinethepoweroptimizermountinglocationandusethepoweroptimizermountingbrackets
toattachthepoweroptimizertothesupportstructure(SeeFigure2).Forframe-mountedpower
optimizersfollowtheinstructionssuppliedwiththeoptimizers.
2. Ifrequired,markthemountingholelocationsanddrillthehole.
CAUTION!
Do not drill through the power optimizer or through the mounting holes. The drilling vibrations can
damage the power optimizer and will void the warranty.
Ne pas percer à travers la optimiseur de puissance ou ses trous de fixation. Les vibrations qui en
résulteraient peuvent endommager la optimiseur de puissance.
1Not applicable to smart modules.
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Package Contents

3. AttacheachpoweroptimizertotherackusingtheM6(1/4'')stainlesssteelbolts,nutsandwashers.
Applytorqueof9.5N*m/7lb*ft.For3NAseriespoweroptimizes,SolarEdgerecommendsmounting
thepoweroptimizeronarailwiththesmoothsidefacingout,sothatthepoweroptimizerbodywill
preventitsrotation.
4. Usethefollowingmethodstogroundthepoweroptimizer1:
WARNING!
The metallic enclosure of the power optimizer must be grounded in accordance with the
requirements of the local and national codes.
L'enceinte métallique de l’optimiseur de puissance doit être mise à la terre en accord avec les
régulations locales et nationales.
lFor mounting on a grounded metal rail:Usetheprovided5/16''stainlesssteelgroundingstar
washerbetweentherailingandtheflatsideofthemountingbracket.Thegroundingwasher
shouldbreakthroughtheanodizecoatingoftherailingtoensurelowresistiveconnection.Apply
torqueof9.5N*m/7lb*ft.
Figure 2: Power optimizer installation and grounding using a star washer
lFor mounting on rails with sliding nut fasteners:Ifthestarwashercannotbeused,usethe
SolarEdgegroundingplate(purchasedseparately)betweentherailingandtheflatsideofthe
mountingbracket.Applytorqueof9.5N*m/7lb*ft.
1For a list of racking models and their appropriate grounding method, refer to
http://www.solaredge.us/files/pdfs/grounding_se_power_optimizers.pdf.
Chapter 2: Installing the Power Optimizers
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Figure 3: Power optimizer installation and grounding using a grounding plate

lFor mounting on un-grounded structures(suchasawoodenstructure):Ifthestarwasheror
theplatecannotbeused,usetheSolarEdgegroundinglug(purchasedseparately)withan
equipment-groundingconductoraccordingtothesuppliedinstructions.Thegroundingterminal
acceptsawiresizeof6-14AWG,andmustbesizedforequipmentgroundingperNEC250.122
requirements.Tightenthescrewsconnectingthepoweroptimizertotheframeandthe
groundingterminalscrew.Applytorqueof9.5N*m/7lb*ft.
Figure 4: Power optimizer grounding terminal
5. Verifythateachpoweroptimizerissecurelyattachedtothesupportingstructureorthemodule.
NOTE
Record power optimizer serial numbers and locations, as described in Providing Installation
Information on page 61.
Step 2: Connecting a PV Module to a Power
Optimizer
Foreachofthepoweroptimizers1:
lConnectthePlus(+)outputconnectorofthemoduletothePlus(+)inputconnectorofthepower
optimizer.
lConnecttheMinus(-)outputconnectorofthemoduletotheMinus(-)inputconnectorofthe
poweroptimizer.
1Not applicable to smart modules.
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Step 2: Connecting a PV Module to a Power Optimizer
Figure 5: Power optimizer connectors

NOTE
Images are for illustration purposes only. Refer to the label on the product to identify the plus and
minus input and output connectors.
Step 3: Connecting Power Optimizers in Strings
Youcanconstructparallelstringsofunequallength,thatis,thenumberofpoweroptimizersineach
stringdoesnothavetobethesame.Theminimumandmaximumstringlengthsarespecifiedinthe
poweroptimizerdatasheets.RefertotheSolarEdgeSiteDesignerforstringlengthverification.
NOTE
The total cable length of the string (including power optimizers’ cables) should not exceed
1000ft./300m from DC+ to DC- of the inverter. Use at least 11 AWG/ 4 mm² DC cables.
1. ConnecttheMinus(-)outputconnectorofthestring’sfirstpoweroptimizertothePlus(+)output
connectorofthestring’ssecondpoweroptimizer.
2. Connecttherestofthepoweroptimizersinthestringinthesamemanner.
Figure 6: Power optimizers connected in series
3. Ifyouintendtomonitortheinstallation,usingtheSolarEdgemonitoringportal,recordthephysical
locationofeachpoweroptimizer,asdescribedinProvidingInstallationInformationonpage61.
WARNING!
Input and output connectors are not watertight until mated. Open connectors should be mated to
each other or plugged with appropriate watertight caps.
Les connecteurs d’entrée et sortie ne sont pas étanches jusqu'à ce qu’ils soient accouplés. Les
connecteurs doivent être accouplés ou fermés avec des terminaux étanches.
Chapter 2: Installing the Power Optimizers
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Step 4: Verifying Proper Power Optimizer
Connection
Afteramoduleisconnectedtoapoweroptimizer,thepoweroptimizeroutputsasafevoltageof1V.
Therefore,thetotalstringvoltageshouldbeequalto1Vtimesthenumberofpoweroptimizers
connectedinseriesinthestring.Forexample,if10poweroptimizersareconnectedinastring,then10V
shouldbeproduced.
Makesurethemodulesareexposedtosunlightduringthisprocess;otherwise,thepoweroptimizersmay
notbepowered.Ifyouuseatracker,thepoweroptimizerwillturnONonlyifthetrackeristrackingthe
sunandthemoduleprovidesatleast2W.
InSolarEdgesystems,duetotheintroductionofpoweroptimizersbetweenthePVmodulesandthe
inverter,theshortcircuitcurrentISCandtheopencircuitvoltageVOCholddifferentmeaningsfrom
thoseintraditionalsystems.
FormoreinformationabouttheSolarEdgesystem’sstringvoltageandcurrent,refertotheVOCandISCin
SolarEdgeSystemsTechnicalNote,availableontheSolarEdgewebsiteat:
http://www.solaredge.us/files/pdfs/isc_and_voc_in_solaredge_systems_technical_note.pdf
To verify proper power optimizers connection:
Measurethevoltageofeachstringindividuallybeforeconnectingittotheotherstringsortotheinverter.
Verifycorrectpolaritybymeasuringthestringpolaritywithavoltmeter.Useavoltmeterwithatleast
0.1Vmeasurementaccuracy.
Fortroubleshootingpoweroptimizeroperationproblems,refertoPowerOptimizerTroubleshootingon
page88.
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Step 4: Verifying Proper Power Optimizer Connection

Chapter 3: Installing the Inverter
Installtheinvertereitherbeforeorafterthemodulesandpoweroptimizershavebeeninstalled.
Inverter Package Contents
lOneStorEdgeinverter
lOnemountingbracket
lTwoAllenscrewsforfasteningtheinvertertothemountingbracket
lInstallationguide(withactivationcardandinstructions)
Identifying the Inverter
RefertothestickerontheinverterthatspecifiesitsSerial NumberanditsElectrical Ratings.Providethe
serialnumberwhencontactingSolarEdgesupport.Theserialnumberisalsorequiredwhenopeninga
newsiteintheSolarEdgemonitoringportal.
Chapter 3: Installing the Inverter
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Inverter Interfaces
Thefollowingfigureshowstheinverterconnectorsandcomponents,locatedatthebottomofthe
inverter.
Figure 7: Inverter Interfaces
lLCD panel:displaysinverterinformationandconfigurationparameters
lLCD LEDs:ThreeLEDsindicatethefollowinginverterstatuses:
Color Description Functionality
Green Power production
On - The inverter is producing power. Blinking - Standby mode. The
inverter is in Standby mode until its working voltage is reached. The
inverter then enters Production mode and produces power.
Off - The inverter is not producing power. This may be during Night
mode, when the inverter ON/OFF switch is OFF or when an error
occurs.
Yellow Module communication and
inverter shutdown
Blinking:
oMonitoring information is being received from a power optimizer.
oThe inverter is being shut down.
Red Fault
On - There is an error. Refer to "Troubleshooting" on page 79 for more
information.
Blinking - The inverter is being shut down.

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Inverter Interfaces

AllLEDsturnonwhiletheinverterisbeingconfigured.
Figure 8: Inverter front view
lAC and DC conduit entries:ConnectionpointsoftheStorEdgeConnectionUnit.
lON/OFF switch:TurningthisswitchONstartstheoperationofthepoweroptimizers,enablespower
productionandallowstheinvertertobeginexportingpowertotheutilitygrid/backed-uploads.
TurningitOFFreducesthepoweroptimizervoltagetoalowsafetyvoltageandinhibitsexportationof
power.WhenthisswitchisOFF,theinvertercontrolcircuitryremainspoweredup.
lLCD light button:PressingthisbuttonlightsuptheLCDfor30seconds.Inaddition,youcanpress
thisbuttontoaccessconfigurationmenuoptions,asdescribedConfiguringtheInverterUsingtheLCD
LightButtononpage43.
lTwo communication glands,forconnectionofinvertercommunicationoptions.Eachglandhas
threeopenings.RefertoSettingUpCommunicationtotheMonitoringPortalonpage71formore
information.
StorEdge Connection Unit Interfaces
ThefollowingcomponentsarepartoftheStorEdgeConnectionUnitandmaybeaccessedfor
troubleshootingormaintenance.
Figure 9: StorEdge Connection Unit

Chapter 3: Installing the Inverter
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