Solectria Renewables PVI 50KW Operating instructions

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Operating instructions

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InstallationandOperationManual(RevA) PVI50100KWSeriesInverters
DOCR070233
PVI50KW
PVI60KW
PVI75KW
PVI85KW
PVI100KW
INSTALLATIONANDOPERATIONMANUAL
©2013,SolectriaRenewablesLLC
InstallationandOperationManual(RevA) PVI50100KWSeriesInverters
DOCR070233Page2of92
IMPORTANTREGISTRATIONAND
WARRANTYINFORMATION
Forwarrantytobecomeactive,thisinverter
mustberegistered.Toactivatewarrantyand
registerinverter,pleasevisitthelinkbelow.
www.solectria.com/registration
InstallationandOperationManual(RevA) PVI50100KWSeriesInverters
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IMPORTANTSAFETYINSTRUCTIONS
SAVETHESEINSTRUCTIONS
Inthismanual“inverter”or“inverters”referstotheinvertermodels:PVI50KW,PVI60KW,PVI
75KW,PVI75KWPE,PVI85KW,PVI85KWPE,PVI100KWandPVI100KWPEunlessoneofthe
specificmodelsisnoted.
Thismanualcontainsimportantinstructionsthatshallbefollowedduringinstallationand
maintenanceoftheinverter.
Toreducetheriskofelectricalshock,andtoensurethesafeinstallationandoperationofthe
inverter,thefollowingsafetysymbolsareusedtoindicatedangerousconditionsandimportant
safetyinstructions:
WARNING:Useextremecautionwhenperformingthistask.
Thisindicatesafactorfeatureveryimportantforthesafetyoftheuser
and/orwhichcancauseserioushardwaredamageifnotapplied
appropriately.
NOTE:Thisindicatesafeaturethatisimportanteitherforoptimaland
efficientuseoroptimalsystemoperation.
EXAMPLE:Thisindicatesanexample.
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IMPORTANTSAFETYINSTRUCTIONS
Allelectricalinstallationsshallbeperformedinaccordancewithapplicablelocal,state,andnationalcodes.
Theinvertercontainsnouserserviceableparts.PleasecontactSolectriaRenewablesoraSolectriaRenewables
authorizedsysteminstallerformaintenance.SeeAppendixCforSolectriaRenewablescontactinformation
andauthorizedsysteminstallers.
Beforeinstallingorusingtheinverter,pleasereadallinstructionsandcautionmarkingsinthismanual,onthe
inverter,aswellasonthePVmodules.
Connectionoftheinvertertotheelectricutilitygridmustbecompletedafterreceivingpriorapprovalfromthe
utilitycompanyandmustonlybeperformedbyqualifiedpersonnel.
PVmodulesproducedangerouselectricalvoltageandcurrentwhenexposedtolightandcouldcreate
hazardousconditions.CompletelycoverthesurfaceofallPVmoduleswithanopaquematerialbeforewiring
themordonotconnectintermodulecables,PVsourcecircuits,and/orPVoutputcircuitsunderload.
Theinverterenclosureandbothdisconnectswitchesmustbelocked(requiringatoolorkeyforaccess)for
protectionagainstriskofinjurytopersons.Theenclosureincludesalockablehandleandcomeswithakey.
Keepthekeyinasafelocationincaseaccesstothecabinetisneeded.Areplacementkeycanbepurchased
fromSolectriaRenewables.
SAVETHESEINSTRUCTIONS
PRESCRIPTIONSDESECURITEIMPORTANTES
Touslestravauxd’installationélectriquedoiventêtreexécutésenconformitéauxnormesélectriqueslocales
ainsiqu’àlanormenationaleaméricaineetcanadienne.
LePVInecontientaucunepiècerequérantunentretienteffectuéparl‘utilisateur.Pourtoutemaintenance,
veuillezconsulterSolectriaRenewablesouuninstallateuragréeparSolectriaRenewables(lescoordonnéesde
SolectriaRenewablesetdesinstallateursagréessontindiquéessurlesitewebdeSolectriaRenewables:
www.solectria.com.
Avantd’installeroud’utiliserlePVIveuillezliretoutesinstructionsettouteslesmisesengardeprésentesdans
cemanuel,surlePVIetsurlesmodulesPV.
LeraccordementduPVIauréseauélectriquenedoitêtreeffectuéequ’aprèsavoirobtenuuneentente
d’interconnexionauprèsdelacompagnielocalededistributionélectriqueetuniquementpardupersonnel
autoriséetqualifié.
LasurfacedetouslescapteursPVdoiventêtrerecouverteentièrementd’unmatérielopaque
(noir)avantdeprocéderaucâblage.LescapteursPVexposésalalumièreproduisentducourantélectrique
susceptibledecréerunesituationderisque.
CONSERVEZCESINSTRUCTIONS
InstallationandOperationManual(RevA) PVI50100KWSeriesInverters
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TableofContents
1Introduction.................................................................................................................................7
2SitePreparationandInverterPlacement....................................................................................9
2.1ClearanceRequirements.....................................................................................................10
2.2InverterDimensions............................................................................................................11
3Installation.................................................................................................................................11
3.1CheckingForShippingDamage...........................................................................................11
3.2InverterLifting.....................................................................................................................11
3.3MountingDetails.................................................................................................................12
4DCConnectionsfromthePVArrayandACConnectionstotheGrid........................................14
4.1Grounding...........................................................................................................................14
4.2ACGroundingConnections.................................................................................................16
4.3DCGroundingConnections.................................................................................................17
4.4ACPowerConnections........................................................................................................18
ACCableEntry.......................................................................................................................19
NeutralKitOption.................................................................................................................22
4.5ACGroundFaultDetection.................................................................................................23
4.6DCPowerConnections........................................................................................................24
DCCableEntry......................................................................................................................24
StandardDCDisconnectSwitch............................................................................................27
FusedDCSubcombiner.........................................................................................................27
DCBreakerSubcombiner......................................................................................................28
4.7DCGroundFaultDetectionandInterruption.....................................................................28
4.8LightningandSurgeProtection...........................................................................................30
4.9RemoteShutdownandRevenueGradeMeterTerminals..................................................30
5CommissioningtheInverter.......................................................................................................32
5.1TurningontheInverter.......................................................................................................32
5.2Operation............................................................................................................................33
5.3TurningOfftheInverter......................................................................................................33
6InverterControlandCommunications”inthePVI50100........................................................34
LEDIndicators...........................................................................................................................36
6.1ButtonDescriptions............................................................................................................37
6.2MainDisplay........................................................................................................................38
6.3AccessingtheMenu............................................................................................................38
6.4NavigatingtheMenuStructure..........................................................................................39
6.5DisplayingInverterMeasurements.....................................................................................40
6.6ControllingtheInverter......................................................................................................42
6.7StoppingandStartingtheInverter.....................................................................................43
QuickStopandStart.............................................................................................................43
6.8AccessingPasswordProtectedFunctions...........................................................................44
6.9ChangingtheInverterPassword.........................................................................................45
6.10ChangingVoltageandFrequencyTripSettings................................................................46
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6.11EstablishingEthernetConnectivity...................................................................................49
6.12SettingupTCP/IPNetworking..........................................................................................50
6.13ViewingCurrentTCP/IPsettings:......................................................................................50
6.14ManuallyConfiguringNetworkSettings...........................................................................52
6.15AutomaticallyConfiguringNetworkSettings...................................................................55
6.16SettingFallbackIPAddress...............................................................................................56
6.17EnablingSolrenViewWebbasedMonitoring...................................................................59
6.18ViewingandsettingtheDate/Time..................................................................................60
6.19RebootingtheSolrenViewGateway.................................................................................63
6.20ResettingtheSolrenViewGatewaytoFactoryDefaults...................................................64
6.21InverterCountsandLogs..................................................................................................65
6.22DisplayingErrorCounts.....................................................................................................66
6.23DisplayingErrorLogs.........................................................................................................68
6.24ClearingErrorCountsortheLog.......................................................................................70
6.25HMIMenuStructure.........................................................................................................72
7TroubleshootingandMaintenance...........................................................................................73
7.1InverterMessages...............................................................................................................73
7.2Troubleshooting..................................................................................................................75
7.3PreventativeMaintenance.................................................................................................76
7.4IntakeLouverVentCleaning...............................................................................................77
7.5OpeningMainEnclosure,DCDisconnectSwitch,andACDisconnectSwitch....................77
7.6Fusereplacements..............................................................................................................79
7.7WarrantyPolicy...................................................................................................................80
7.8ReturnMaterialAuthorizationPolicy.................................................................................85
8TechnicalData............................................................................................................................86
8.1InputDC(PV)Specifications................................................................................................86
8.2OutputACSpecifications....................................................................................................87
8.3OtherSpecifications............................................................................................................88
8.4InternalCircuitDiagram......................................................................................................90
9Appendices.................................................................................................................................91
9.1AppendixAPVI50KW,60KW,75KW,85KW,100KWDataSheet...................................91
9.2AppendixBStringSizingTool...........................................................................................91
9.3AppendixCContactInformation.....................................................................................91
9.4AppendixDAuthorizedDistributors................................................................................91
9.5AppendixEUL1741/IEEE1547AuthorizationLettertoMarkProduct...........................92
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1 Introduction
ThePVI50100KWinverterseriesarecommercial,threephasegridtiedPVinvertersdesignedto
beinterconnectedtotheelectricutilitygrid.Byfollowingthismanualtheinvertercanbe
installedandoperatedsafely.Thisinstallationguideisusedasareferenceforcommissioningand
asaguidelineonhowtousetheinvertermosteffectively.
FeedingpowerontothegridinvolvesconversionoftheDCvoltagefromthePVarraytogrid
compatibleACvoltagebyinvertingDCtoAC.Thisunitfeedspowerintoastandard,threephase
commercial,industrial,institutionalorelectricalutilityfacility’selectricalsystemwhichis
connectedtotheelectricalgrid.
IfthePVsystemandinverterareprovidingthesameamountofelectricalpowerthatthefacility
isusing,thennopoweristakenfromorfedintotheutilitygrid.Ifthefacilityisusingmorepower
thanthePVsystemisproviding,thentheutilitygridprovidesthebalanceofpower.Ifthefacility
isusinglesspowerthanthePVsystemisgenerating,thentheexcessisfedintotheutilitygrid.
Besuretofollowlocalregulationsregardingnetmeteringandinterconnectioninyourlocalarea.
NotethatsomeutilitiesneedtochangetheirrevenuekWhmeterforpropernetmetering
measurementandbilling.

Figure1.1GridTiedInverterApplication
PVISeriesInverter
Electrical
Grid
PhotovoltaicArray
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Figure1.2PVIInverter(FrontView)
Figure1.3PVIInverter(RearView)
DCdisconnect
switch
Nameplate
ExhaustAirOutput
CoolingAirIntake
ACDisconnect
LCDDisplay,Keypad,
&LEDIndicators
Communicationsor
SolrenViewAIR
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2 SitePreparationandInverterPlacement
Theinverteriscomprisedofarainproof,industrialenclosurecontainingelectricalandelectronic
componentsandACandDCintegrateddisconnectingmeans.
NOTE:Iftheinverterismountedoutside,ensurethattheenclosureanddisconnect
switchdoorsremainclosedduringtheinstallationprocessincaseofrainorsnow.
Leavingthesedoorsopenduringinstallationwillvoidthewarranty.
NOTE:Itisrecommendedtostoretheinverterindoorsbeforeinstallation.Iftheinverter
istobestoredoutdoorsformorethanonemonthbeforebeinginstalledand
commissioned,caremustbetakentoavoidcondensationinsidetheunit.Removingthe
protectiveshippingwrapandplacingasmallspaceheaterinsidetheunitminimizesthe
amountofcondensationthatcanoccurduringonsiteoutdoorstorage.Once
operational,theinverterwillgenerateitsownheattopreventcondensation.
CriteriaforDeviceMounting:
Becausethepowerelectronicsarewithintherainproofenclosure,theinvertercanbe
mountedoutdoors.
Thelongestlifefortheinvertercanbeachievedbymountingtheunitinaclean,dryandcool
location.
Foroptimalelectricalsystemefficiency,usetheshortestpossibleACandDCcablesanduse
themaximumallowablecablesize.
Avoidinstallationincloseproximitytopeopleoranimals,asthereisanaudiblehigh
frequencyswitchingnoise.
Installtheinverterinanaccessiblelocationfollowinglocalelectriccodesforenclosureand
disconnectswitchdoorclearancesandproximitytootherequipment.
Althoughtheinverterisdesignedtofunctionatfullpowercontinuouslyinupto55oCambient
temperature,forlongestinverterlifeandperformance,donotmounttheinverterindirect
sunlight,especiallyinhotclimates.Iftheunitmustbemountedindirectsunlightametalsun
shieldisrecommended.Itisrecommendedthattheinverterismountedonthenorthsideof
buildingsoronthenorthsideofagroundmountPVarray.
CAUTION: Besuretoverifyloadcapacityoffloor,rooforpad,andensurethat
liftingequipmenthasadequateliftingcapacitytolifttheunit.
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InverterModelWeight
PVI5060KW1,450lbs
PVI7585100KW1,875lbs
PVI7585100KWPE2,070lbs
Table2.1WeightofPVI50100Inverters
InstallationsinmostUSjurisdictionsaresubjecttoNFPA70,knowncommonlybyelectricians
astheNationalElectricCode(NEC).TheNECrequiresthattheinverterbeconnectedtoa
dedicatedcircuitandnootheroutletsordevicesmaybeconnectedtothiscircuit.TheNEC
alsoimposeslimitationsonthesizeoftheinverterandthemannerinwhichitisconnectedto
theutilitygrid.SeeapplicablerevisionoftheNECformoreinformation.Itistheinstaller’s
responsibilitytofollowallapplicableelectriccodes.
2.1 ClearanceRequirements
Theambienttemperaturemustbebetween–40oFand+130oF(–40oCand+55oC)forfull
power,continuousoperation.Theinverterwillautomaticallyreducepowerormayshutdown
toprotectitselfifambientairtemperatureattheintakerisesabove130oF(55oC).
Thecoolingairexhaustsattherearandbottomoftheenclosure.Nothingshouldblockthe4inch
clearspaceundertheenclosurebetweenthemountingfeet.
Aminimumdistanceof8inches(200mm)mustbeclearbehindtheinverterforrearcooling
airexhaust.12inches(300mm)isrecommended.
Aminimumdistanceof12inches(300mm)mustbeclearabovetheinverterforventilation.
MakesuretheACandDCdisconnectswitchesareaccessibleduringoperationandthatall
doorsmaybefullyopenedformaintenance.Installtheinverterinanaccessiblelocation
followingapplicableelectricalcodesforworkingclearancerequirementsandproximityto
otherequipment.
Ifyouareinstallingtheinverterinanelectricalcloset,theaircirculationmustbesufficientfor
heatdissipation.Provideexternalventilationtomaintainanambientconditionoflessthan
130oF(55oC).Theambienttemperatureshouldbekeptaslowaspossibleatalltimesfor
optimalinverteroperationandlife.
ModelMax.HeatLoss
PVI50KW7,000Btu/hr
PVI60KW8,250Btu/hr
PVI75KW8,000Btu/hr
PVI85KW12,000Btu/hr
PVI100KW14,000Btu/hr
Table2.2IndoorCoolingRequirements
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2.2 InverterDimensions
Refertothecustomerinterfacedrawing(DOCR070190)fordetailedinverterdimensions.
3 Installation
WARNING:Beforeinstallingtheinverter,readallinstructionsandcautionmarkingsin
thismanualandontheinverteraswellasonthephotovoltaicmodules.
WARNING:Electricalinstallationshallbeperformedinaccordancewithalllocal
electricalcodes,theNationalElectricalCode(NEC),NFPA70,orCanadianElectrical
CodeforCanada(CEC).
WARNING:Connectingtheinvertertotheelectricutilitygridmustonlybecompleted
afterreceivingpriorapprovalfromtheutilitycompanyandinstallationperformed
onlybyqualifiedpersonnel/licensedelectrician(s).
3.1 CheckingForShippingDamage
Theinverteristhoroughlycheckedandtestedrigorouslybeforeitisshipped.Eventhoughitis
boltedontoarugged,oversizedpalletfordelivery,theinvertermayhavebeendamagedduring
shippingbypoorhandling,truckingortransferstationactivity.
Pleaseinspecttheinverterthoroughlyafteritisdelivered.Ifanydamageisseen,immediately
notifytheshippingcompanytomakeaclaim.Ifthereisanyquestionaboutpotentialshipping
damage,contactSolectriaRenewables.Photosofthedamagewillbehelpfulindocumenting
potentialshippingdamage.
Donotaccepttheunitifitisvisiblydamagedorifyounotevisibledamagewhensigning
shippingcompanyreceipt.
Notedamageonshippingpaperswiththetruckdriver.Reportdamageimmediatelytothe
shippingcompany.
Donotremovetheunitfrompallet/packagingifdamageisevident.
Ifitisdeterminedthattheunitmustbereturned,aRMAnumbermustbeobtainedfrom
SolectriaRenewablespriortoshippingtheunitback.
3.2 InverterLifting
WARNING:Theinvertermaytipoverifimproperlymoved,potentiallycausing
damagetoequipment,personalinjuryordeath.Donottiltthepalletorinverter
whilemovingit.
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Useaforkliftorforkattachmentorotherequipmentifliftingfromthebottom.Theforks
shouldbesetwitha27"outsidespacingsotheyfitjustinbetweentheinverter's4x4"
aluminumtubefeet.Beforelifting,makesureforksareagainsttheinsideedgesofbothfeet.
Onceoffthepallet,apalletjackcanalsobeusedtorolltheunitonafloor.Usea27”wide
jack.
Alternatively,theinvertercanbeliftedusingtheliftingtabsonthetop.Ifusingthislifting
method,liftwithverticalchainsandhooksconnectedtoaproperliftingdevice.Pleaserefer
tothecustomerinterfacedrawing(DOCR070190)fortheminimumrecommendedchain
lengthtopreventdamagetotheinverter.
3.3 MountingDetails
WARNING:Donotinstalltheinverteronorovercombustiblesurfacesormaterials.
Theinverterincludesmountingfeetwithfourholessizedfor½”diameterhardware.Refertothe
diagrambelowandthecustomerinterfacedrawing(DOCR070190)fordetailedmounting
dimensions.
Itisrecommendedtousefourboltsforthemountingfeet.Hotdipgalvanizedgrade5,grade8,or
stainlesssteelbolts½”(13mm)indiameterareacceptable.Usealockwasherandflatwasher
witheachbolt.
Oncemountingiscompleted,removeshippingaidsfromtheinverterincludingpackingmaterial
undercowlonfrontdoor,packingmaterialbetweenlargepowercablesandthecontactorinside
upperportionoftheinverter,andpackingmaterialinsidetheDCdisconnectswitchenclosure
neartheswitchmechanism.
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Fig.3.3MountingHoleDiagram(ViewfromtopofInverter)
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4 DCConnectionsfromthePVArrayandACConnectionstotheGrid
WARNING:Allelectricalinstallationsshallbeperformedinaccordancewithapplicable
local,state,andnationalelectriccodes.
WARNING:OnlyconnecttheDCandACpowerandgroundingwireswiththeACandDC
disconnectswitchesoffandthecircuitsisolatedfromACpowerfromthegridandDC
powerfromthearray.

WARNING:Makesuretoconnecttheinverterandotherexposedmetalequipmentin
thesystemtothegroundingelectrodesystemthroughtheinstallationofthe
GroundingElectrodeConductor(s)andEquipmentGroundingConductorsbefore
proceedingtoconnectanyDCorACpowerwires.
WARNING:OnlymakeACconnectionsdirectlytothelugswithintheACdisconnect
switchandDCconnectionstothelugswithintheDCdisconnectswitch.
NOTE:AllgroundingandpowerwiringterminalsaredualratedforCopperand
AluminumWire.Whenusingaluminumwireexercisebestindustrypracticestoensure
areliableconnection;thoroughlycleantheconductorjustpriortomakingtheelectrical
connectionanduseanoxideinhibitortopreventtheformationofaluminumoxide.
NOTE:Groundingandpowerwiringterminalsareratedto167°F(75C).
NOTE:WhenconduithubsareusedforDCandACcableentryinanoutdoororwet
location,raintightorwetlocationhubsthatcomplywiththerequirementsinthe
StandardForFittingsForConduitandOutletBoxes,UL514B,aretobeused.
ACgroundingandpowerconnectionsaremadeintheACdisconnectswitchoftheinverter.The
typeofACdisconnectswitchprovidedwiththeinverterdependsontheinverterpowerrating,
outputvoltage,andfusingspecifiedbythecustomer(i.e.fusedorunfused).
DCgroundingandpowerconnectionsaremadeintheDCdisconnectswitchoftheinverter.The
typeofDCdisconnectswitchprovidedwiththeinverterdependsontheinverterpowerrating
andDCovercurrentprotectionspecifiedbythecustomer(i.e.fusesorbreakers,amperage,and
quantity).
4.1 Grounding
ThePVI50100KWinverterhasgroundingconnectionpointsintheDCandACdisconnectswitches
aslistedbelow.ThesepointsareusedforGroundingElectrodeConductor(GEC)andEquipment
GroundingConductor(EGC)connections.PVsystemshaveEGCandGECconductorrequirements
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onboththeACandDCpointsofentry.GEC(s)andEGC(s)shouldbesizedandinstalledperthe
electricalcoderequirementsoftheAreaHavingJurisdiction.
DCDisconnectSwitch
o GroundLugForDCGECconnection.Dependingonthegroundingsystem
configuration,theDCgroundlugmayserveastheconnectionpointforcombined:
DCGECandACGEC
DCGEC,ACGEC,andACEGC
o GroundBarForDCEGCconnection(s)
ACDisconnectSwitch
o GroundLug(400AACdisconnectswitchonly)ForACGECinsystemswithseparate
DCandACGEC’s.
o GroundBarForACEGCconnection(s).Dependingonthegroundingsystem
configuration,theACgroundbarmayalsoserveastheconnectionpointfortheAC
GEC.
TheDCandACgroundingconnectionpointsareinternallybondedwithintheinverteralongwith
theinverterenclosure,disconnectswitches,andotherinternalmetalcomponentsandcircuitsthat
requireaconnectiontoground.Thegroundingcircuitisisolatedfromtheinternalisolation
transformerneutralpointandoptionalneutralkit.
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4.2 ACGroundingConnections
ACgroundingconnectionlocations,connectionquantity,conductorrange,andterminaltorque
requirementsareshownbelow.
Fig.4.1aACGroundConnection200A
(200AUnfusedACDisconnectSwitchShown)
Fig.4.1bACGroundConnection400A
(400AUnfusedACDisconnectSwitchShown)
ACDisconnect
SwitchType*
ACGround
Connection
MaxNumberof
ConnectionsConductorRangeTorque
200AGroundBar26AWG‐1/0AWG40inlbs
400AGroundBar24AWG‐1/0AWG40inlbs
GroundLug12AWG–250kcmil275inlbs
*SeeTables4.3&4.4todeterminetheACdisconnectswitchtypebyinvertermodel.
Table4.1ACGroundConductorSizes&Torques
ACGroundBar
ACGroundBar
ACGroundLug
(400AACDiscoOnly)
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4.3 DCGroundingConnections
DCgroundingconnectionlocations,connectionquantity,conductorrange,andterminaltorque
requirementsareshownbelow.
Fig.4.2DCGroundConnection
(600ADCDisconnectSwitchw/DCBreakersShown)
DCDisconnect
SwitchType*
DCGround
Connection
MaxNumberof
ConnectionsConductorRangeTorque
400AGroundBar414‐1/0AWG40inlbs
GroundLug16AWG‐250kcmil275inlbs
600AGroundBar514‐6AWG40inlbs
GroundLug16AWG‐250kcmil275inlbs
*SeeTable4.6todeterminetheDCdisconnectswitchtypebyinvertermodel.
Table4.2DCGroundConductorSizes&Torques
DCGroundLug
DCGroundBar
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4.4 ACPowerConnections
NOTE:EachAClugisdesignedforsingleconductoruseonly.Wheremultiplelugsper
phaseareprovided,eachlugisdesignedforsingleconductoruseonly.
NOTE:Notethateachinverterpowerratingisofferedwiththeoptionofeitherafused
orunfusedACdisconnectswitch.Theinstallershouldrefertothecurrentrequirements
forthespecificinverterpowerrating,ACvoltage,anddisconnectswitchtype
(fused/unfused)todeterminetheappropriatewiresizes.
NOTE:ThephaserotationofthegridconnectionstotheinvertermustfollowtheL1/A,
L2/BandL3/Cclockwiseorder.
NOTE:WhenafusedACdisconnectswitchisnotprovided,overcurrentprotectionofAC
poweroutputcablesshallbeprovidedbyothersaccordingtolocal,state,andnational
coderequirements.
ThePVI50100KWmodelscomewitheitherastandardACdisconnectswitchwithoutfusesor
optionalfusedACdisconnectswitch(dependingonwhatwasordered).TheACPowerWiring
connectionsaremadewithintheinverter’sACdisconnectswitchasshownbelow.
NotethattheACdisconnectswitchesofPVI50100KWinvertersareloadbreakrated.
Fig.4.3ACPowerConnections‐200A
(200AUnfusedACDisconnectSwitchShown)
Fig.4.4ACPowerConnections‐400A
(400AUnfusedACDisconnectSwitchShown)
L1L2L3L1 L2 L3
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ACCableEntry
TheACcableentrylocationdependsontheACdisconnectswitchcurrentratingandorientation
(sidefacingorforwardfacing).Usethefollowingtablestodeterminewhichdisconnectswitch
yourinverteruses,andthenrefertothecustomerinterfacedrawing(DOCR070190)forACcable
entrylocations.
ACVoltageDrop
ACvoltagedropshouldbeminimizedtoavoidnuisancetrippingresultingfromincreasedAC
voltageseenattheinverter’soutputterminalsastheinverterfeedscurrentintothegrid.
MinimizingACvoltagedropalsoresultsinhighersystemefficiency.AnACvoltagedropofless
than1%isrecommended.
InstallationandOperationManual(RevA) PVI50100KWSeriesInverters
DOCR070233Page20of92
ThetablebelowpertainstothestandardACdisconnectswitcheswithoutfuses.Itincludes
requirementsfortheACconductorsize,thenumberofterminalsavailable,properterminal
torque,andACdisconnectswitchcurrentratingsforallPVI50100KWinvertermodels.ThePE
modelsusethesameACdisconnectswitchesasthestandardmodels.
AC
VOLTAGE
INVERTERMODEL
WithUnfusedAC
DisconnectSwitch
TERMINALS
PERPHASEWIREGAUGETERMINAL
TORQUE
DISCONNECT
SWITCH
SIZE
208V
PVI50KW208V 12/0AWG‐250kcmil275inlbs200A
PVI60KW208V 14/0AWG‐250kcmil275inlbs200A
PVI75KW208V 1300kcmil‐750kcmil500inlbs
400A
21/0AWG‐300kcmil500inlbs
PVI85KW208V 1350kcmil‐750kcmil500inlbs
400A
21/0AWG‐300kcmil500inlbs
PVI100KW208V 1500kcmil‐750kcmil500inlbs
400A
22/0AWG‐300kcmil500inlbs
240V
PVI50KW240V 11/0AWG‐250kcmil275inlbs200A
PVI60KW240V 13/0AWG‐250kcmil275inlbs200A
PVI75KW240V 14/0AWG‐750kcmil500inlbs
400A
21/0AWG‐300kcmil500inlbs
PVI85KW240V 1300kcmil‐750kcmil500inlbs
400A
21/0AWG‐300kcmil500inlbs
PVI100KW240V 1350kcmil‐750kcmil500inlbs
400A
21/0AWG‐300kcmil500inlbs
480V
PVI50KW480V 14AWG‐250kcmil275inlbs200A
PVI60KW480V 13AWG‐250kcmil275inlbs200A
PVI75KW480V 12AWG‐250kcmil275inlbs200A
PVI85KW480V 11AWG‐250kcmil275inlbs200A
PVI100KW480V 11/0AWG‐250kcmil275inlbs200A
600V
PVI50KW600V 16AWG‐250kcmil275inlbs200A
PVI60KW600V 14AWG‐250kcmil275inlbs200A
PVI75KW600V 13AWG‐250kcmil275inlbs200A
PVI85KW600V 12AWG‐250kcmil275inlbs200A
PVI100KW600V 11AWG‐250kcmil275inlbs200A
Table4.3ACPowerConductorSizes&TorquesforStandardACDisconnectSwitches
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Solectria Renewables PVI 50KW Operating instructions

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Operating instructions
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