WEG CFW900 - 2 GENERAL INFORMATION; 2.1 ABOUT THE MANUAL; 2.2 TERMS AND DEFINITIONS

English
GENERALINFORMATION
2GENERALINFORMATION
2.1ABOUTTHEMANUAL
Thismanualcontainsinformationfortheproperinstallationandoperationoftheinverter,aswellasstart-up
procedures,maintechnicalfeaturesandhowtoidentifythemostusualproblemsofthedifferentmodelsof
invertersofthelineCFW900.
!
WARNING!
Theoperationofthisdevicerequiresdetailedinstallationandoperationinstructions,whichare
providedinthequickinstallationguide,usermanual,programmingmanualandcommunication
manuals.Theguidesaresuppliedprintedtogetherwiththeirrespectiveaccessory,oryoucan
downloadthemonWEGwebsite-
www.weg.net.AprintedcopyofthefilesavailableonWEG’s
websitecanberequestedatyourlocalWEGdealer.
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NOTE!
ItisnottheintentionofthismanualtopresentallthepossibilitiesfortheapplicationoftheCFW900,
aswellasWEGcannottakeanyliabilityfortheuseoftheCFW900whichisnotbasedonthismanual.
Formoreinformationaboutotherfunctions,accessoriesandcommunication,refertothefollowingmanuals:
CFW900ProgrammingManual;
CFW900-ENCencoderaccessory;
Analoginputandoutputaccessories-CFW900-IOAI;
Digitalinputsandoutputsaccessories-CFW900-IOD;
Relayaccessories-CFW900-REL;
Temperaturemeasurementaccessory-CFW900-TEMP;
Communicationaccessory-CFW900-CCAN;
2.2TERMSANDDEFINITIONS
°C:Celsiusdegree.
°F:Fahrenheitdegree.
A:Ampères.
DCLink:inverterintermediatecircuitthatcontainstheDCvoltageobtainedbytherectificationoftheACpower
supplylineorbyanexternalsource.ItsuppliestheoutputinverterbridgewithIGBTs.
U,V,WArms:setoftwoIGBTsoftheinverteroutputphasesU,V,andW.
AC:alternatedcurrent.
DC:directcurrent.
CFM:CubicFeetperMinute;unitofflow.
Pre-chargeCircuit:chargestheDClinkcapacitorswithlimitedcurrent,preventingdamagestotheequipmentat
power-up.
PLC:ProgrammableLogicController.
cm:centimeter.
CV:Cavalo-Vapor(Brazilianunitofmeasurementofpower),correspondingto736watts.
CFW900|3