WEG CFW900 - First Time Power-Up and Start-Up; Prepare for Start-Up; Start-Up

English
FIRSTTIMEPOWER-UPANDSTART-UP
5FIRSTTIMEPOWER-UPANDSTART-UP
Thischapterexplains:
Checkandpreparetheinverterbeforepower-up.
Power-uptheinverterandchecktheresult.
SettheinverterfortheoperationintheV/fmodebasedonthepowersupplyandmotorinformationbyusingthe
OrientedStart-Uproutine.
✓
NOTE!
ForinstructionstousetheinverterintheVVWandVectormodeorotherexistingfunctions,referto
theprogrammingmanualoftheCFW900.
5.1PREPAREFORSTART-UP
Beforepower-up,theinvertermusthavealreadybeeninstalledaccordingtotheinstructionsof
Chapter3.
!
DANGER!
Alwaysdisconnectthemainpowersupplybeforeperforminganyinverterconnection.
1.Checkifpower,grounding,andcontrolconnectionsarecorrectandfirmlysecured.
2.Removefromtheinsideoftheinverterallinstallationmaterialleftbehind.
3.Checkthatthemotorconnections,voltageandcurrentareaccordingtotheinverter.
4.Mechanicallyuncouplethemotorfromtheload.Ifthemotorcannotbeuncoupled,makesurethatthechosen
directionofrotation(forwardorreverse)willnotresultinpersonnelinjuryand/orequipmentdamage.
5.Returntheinvertercovers.
6.Measurethepowersupplyandverifyifitiswithintheallowedrange,accordingto
Chapter8.
7.Applypowertotheinput:closetheinputdisconnectswitch.
8.Checktheresultofthefirsttimepower-up:Thekeypadshoulddisplaythestandardmonitoringmode
Figure
4.3
andthestatusLEDshouldbesteadygreen.
5.2START-UP
1.ExecutionoftheOrientedStart-UproutineviaparameterA1.
2.Followthemenusteps.
56|CFW900