TOYODenki VF66B User manual

TOYO
INTELLIGENT
INVERTER
Operating Manual
~Basic Operation~

VF66BOperatingManual(BasicOperation)
1
Foreword

ThankyouforpurchasingourTOYOVF66Binverter.
Thisinstructionmanualisdesignedtoexplainthecorrectproceduresforinstalling,wiringandoperatingTOYO
VF66Binverter.Carefullyreadthisinstructionmanualbeforeuse.

TOYOVF66Binverterhasmanyspecialfeaturesinadditiontobasicfunctioninordertoaccommodatewidevariety
ofapplicationsandmaximizeperformanceofthesystem.ForthespecialfeatureofVF66B,pleaserefertothe
valuestatedinthededicatedinstructionmanualsortestdatareport.
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VF66BOperatingManual(BasicOperation)

2
Safety
For safety

Beforeinstalling,operating,maintainingandinspectingtheinverter,pleasereadthismanualandallotherappendices
thoroughlyinordertogetfamiliarizewiththefeatureoftheinverter,safelyinformationandcorrecthandling.Inthis
manual,thesafetyinstructionsareclassifiedintotwolevels:DANGERandCAUTION.Thesesignshaveimportantinstructions.
Pleasefollowtheinstructionswithoutfail.
DANGERIndicatesahazardoussituationwhichwillresultindeathorseriousinjuryiftheinverter
ishandledimproperly.



CAUTION

Indicatesahazardoussituationwhichmayresultinmoderateorminorinjuryoronlyin
properlydamageiftheinverterishandledimproperly.However,suchasituationmaylead
seriousaccidentsdependingoncircumstances.
Thesesignalwordsindicateimportantinstructions.Followtheinstructionswithoutfail.

CAUTION[Installation]
zInstalltheinverteronametallicornonflammablesurface.
Otherwise,itmaycauseafire.
zDonotplaceflammablematerialsneartheinverter.
Doingsomaycauseafire.
zDonotcarrytheinverterbythefrontcover.
Theinvertermaydropandcausepersonalinjury.
zInstalltheinverteronasurfacethatwithstandsitsweight.
Otherwise,itmaydropandcausepersonalinjury.
zDonotinstalloroperatetheinverterifitisdamagedorhaveanyofitspartsmissing.
Operatingtheinverterinsuchastatemaycausepersonalinjury.
DANGER[Wiring]
zBeforewiring,makesurethattheinputpowerisoff.
Failuretodosomaycauseanelectricshockorafire. 
zConnecttheearthwiresurely.
Failuretodosomaycauseanelectricshockorafire.
zTheinvertershallbewiredbyelectricengineeringtechnicians.
Wiringbyunauthorizedpersonsmaycauseanelectricshockorafire.
zWiretheinverterafterinstallingthemainbody.
Failuretodosomaycauseanelectricshockorafire.
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VF66BOperatingManual(BasicOperation)
3
CAUTION[Wiring]
zDonotconnectACpowertotheoutputterminals(U,V,andW).
Doingsomaycauseaninjuryorafire. 
zCheckthattheratedvoltageoftheproductisidenticalwiththevoltageofACpower.
Ifnot,injuryorafiremayoccur.
zDonotconnectaresistancedirectlytotheDCterminal○
＋1orbetween○ ＋2and○ −or○ ＋1and○ ＋2.
Doingsomaycauseafire.
zForgroundfaultprotection,connectthededicatedearthleakageprotectionrelayortheearthleakagebreakerforthe
invertertotheinverterinput(R,S,and,T).
Failuretodosomaycauseanelectricshockorafire.
DANGER[Operation]
zTurnontheinputpowerafterfittingthefrontcover.Donotremovethecoverwhilepowerison.
Doingsomayexposeyoutoshockhazard. 
zDonotoperateanyswitchwithwethands.
Doingsomayexposeyoutoshockhazard.
zDonottouchtheinverterterminalwhilepowerisoneveniftheinverterisinthestoppedstate.
Doingsomayexposeyoutoshockhazard.
zThestopbuttoniseffectiveonlywhentheuseofitsfunctionhasbeenspecified.Separatelyprepareanemergencystop
switch.
Failuretodosomaycauseaninjury.
zIfthealarmisresetwiththeoperationsignalkeptinput,theinverterwillsuddenlyrestart.Resetthealarmaftermaking
surethattheoperationsignalisoff.Failuretodosomaycausepersonalinjury.
 CAUTION[Operation]
zTheradiatingfinandtheradiatingresistancearehot.Donottouchthem.
Doingsomaycauseaburn. 
zTheinvertercanbesettooperateinawiderangeofspeed.Operatetheinverteraftersufficientlycheckingtheallowable
rangeofthemotorandthemachine.
Failuretodosomaycauseapersonalinjury.
zIfaholdingbrakeisnecessary,separatelyprepareit.
Failuretodosomaycausepersonalinjury.
DANGER[Maintenance, inspection and replacement of parts]
zBeforeinspectingtheinverter,turnofftheinputpower,andwaitfor10minutesormoretomakesurethatthemotoris
stopped.
ChecktheDCvoltagebetween○
＋and○ −or○ ＋2and○ −toconfirmthatthevoltageis30Vorless.Failuretodosomay
causeanelectricshock,personalinjuryandafire.
zCheckthattheratedvoltageoftheproductisidenticalwiththevoltageofACpower.
Ifnot,personalinjury,electricshock,ordamagedpartmayoccur.
zUnauthorizedpersonsshallnotmaintainorinspecttheinverterorreplaceitsparts.
Formaintenanceandinspection,useinsulatedtools.
Ifnot,maycauseanelectricshockorpersonalinjury.
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VF66BOperatingManual(BasicOperation)
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4
DANGER[Other]
zNevermodifytheinverter.
Doingsomaycauseanelectricshockorpersonalinjury.
CAUTION[General precautions]
Allillustrationsgiveninthisinstructionshowtheinverterfromwhichthecoversorsafetyshieldshavebeenremovedto
illustratethedetails.Beforeoperatingtheinverter,returnthecoversandshieldstotheirpositionsasspecified,andoperate
inaccordancewiththemanual.
Thesesafetyprecautionsandspecificationsstatedinthemanualsaresubjecttochangewithoutnotice.