Candy PVI 7500 Spezifikationen PDF herunterladen (Seite 19)

InstallationandOperationManual(REVH) PVI6500/PVI7500

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19

The grounded DC photovoltaic connection is bonded to ground within the inverter through the ground fault detection and

interruptcircuit(GFDI)andshouldnotbebondedatanyotherpointinthesystem.TheungroundedDCconnectionmustnever

begroundedatanytime.

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ACandDC(PV)Connections:

ThePVI6500‐7500invertersareequippedwithcoveredholesandKOsfor conduitfittingsthatarecode‐compliantforusewith

severalsizesofrigidandflexiblemetallicornon‐metallicconduit.Allconduitandwiringinstallationisdoneinthewiringbox.

Thisdesignallows installationand wiringof

theinvertertobedonewithoutopeningthemain inverter enclosure which must

neverbeopened.AC&DCterminalsallowfor#10to#6AWGcopperconductors.

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LightningandSurgeProtection:

The inverter is designed with certain protections against voltage surges with certification to UL1741/IEEE1547 and

CSA22.2#107.1(includingANSI/IEEE62.41/62.42).Inareasoffrequentlightningstormsorwhennoprimarylightningprotection

systemisused(airterminals),additionalsurgeprotectiononDCandACsideandsolidgroundingprovisionsareimportantfor

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bestprotectionagainstutilityvoltagetransientsandsurgescreatedbyindirectlightningstrikes.

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TheinstallationofalightningarresterorotherULlistedsurgearresterofthecorrectspecificationisrecommendedonboththe

DCandACsidesofinverter.Theycanbeinstalledontheoutsideofthewiring

boxorotherlocationsinthesystemandwired

using the manufacturer's directions.When coordinated with the Surge Protection Device, lightning arrestors give important

addedprotectionfromdirectlightningstrikesandresultingsurges.Makesureto checkthelightningprotectionsystemofthe

buildingandperformanynecessaryupgradebeforethePVsystemisinstalled.Asolidlightningprotectionschemeisespecially

important forareasproneto thunderstormsandpossiblenearby lightningstrikes.Althoughtheseaddedprecautionswill not

guaranteethattherewillbenodamagefromlightning,theycanhelppreventorlimitpotentialdamage.

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GroundingElectrodeConductor:

AswithallPVsystems,aGroundingElectrodeConductormustbeinstalledpercode.Thisconductorshouldbesizedaccording

to these code requirements. This conductorshould be terminated on the labeled ground point located at the bottom of the

wiringboxwheretheDCandACequipmentgroundconductorsalso

areterminated.

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ACVoltage:

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ThePVI6500‐7500invertersare240VACgridconnecteddevices.Theyarealsosuitablefor208Vand277VACgrid‐connected

use.Forexample,connectionbetweentwophasesofa208VAC,3‐phaseserviceorconnectionbetweenonephaseandneutral

ofa277VACservice(whereacceptable

bycode).Nounit(PVI6500or7500)canbeusedwitha120VACservice.Theunitsare

factory pre‐set to auto‐detect 277VAC, 240VAC or 208VAC when connected with a neutral.They can also be configured for

either240or208VACwithoutaneutralatthe

factoryorbyaqualifiedinstaller.Usewith277VACmustalwaysuseaneutralas

theneutralisusedasacurrentcarryingconductor.

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WARNING:TheinvertershouldnotbeopenedatanytimeunlessauthorizedbySolectria.Theunitissealedat

thefactoryanditsULlistingwill

nolongerbevalidandthewarrantywillbevoidifopenedortamperedwithin

anyway.

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MultipleUnits:

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MultiplePVI6500‐7500unitscanbeusedatthesamelocationaslongasallelectricalcodes,localbuildingcodesandareautility

guidelinesarefollowed.Ifmultipleunitsareused,eachinvertermusthaveitsowndedicatedACovercurrentprotectiondevice,

andPVstringscannotbewired

tomultipleinverters.

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