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INSTALLATIONANDCONNECTION
!
WARNING!
Theshort-circuitprotectionoftheinverterdoesnotprovideshort-circuitprotectionforthefeeder
circuit.Theshort-circuitprotectionofthefeedercircuitmustbeprovidedinaccordancewith
applicablelocalregulations.
3.2.1IdentificationofthePowerandGroundingTerminals
✓
NOTE!
Models CFW900A04P5B2,CFW900A06P0B2,CFW900A07P3B2 and CFW900A10P0B2 may
operatewithsingle-phasepowersupplywithoutratedoutputcurrentderating.Inthiscase,thesingle-
phasepowersupplymaybeconnectedtotwoofanyinputterminals.
Thepowerterminalscanbeofdifferentsizesandconfigurationsdependingontheinvertermodel.Thelocationof
thepowerandgroundingconnectionsareindicatedin
Figures3.9and3.17.
Descriptionofthepowerterminals:
R/L1,S/L2,T/L3:ACpowersupplynetworkcableconnection.
DC-/-UD:negativepoleoftheDCpowersupply.
BR:brakingresistorconnection.
DC+/+UD:positivepoleoftheDCpowersupply.
U,VandW:motorcableconnection.
ThemaximumtighteningtorqueofthepowerterminalsandgroundingpointsmustbecheckedinTable3.4.
!
DANGER!
ObservecorrectDCpowerconnection,polarityandpositionoftheterminals.
18|CFW900