GE AF-70 LP - Additional Information for UL Compliance; EMC Filter Disconnect

AF-7
AF-70 LP
Intro
28

27
9.4. AdditionalInformationforULCompliance
AF-70isdesignedtomeettheULrequirements.ForanuptodatelistofULcompliantproducts,pleaserefertoULlistingNMMS.E226333
Inordertoensurefullcompliance,thefollowingmustbefullyobserved.

InputPowerSupplyRequirements
SupplyVoltage
200–240RMSVoltsfor230Voltratedunits,+/-10%variationallowed.240VoltRMSMaximum
380–480Voltsfor400Voltratedunits,+/-10%variationallowed,Maximum500VoltsRMS
Imbalance
Maximum3%voltagevariationbetweenphase–phasevoltagesallowed
AllAF-70havephaseimbalancemonitoring.Aphaseimbalanceof>3%willresultinthedrivetripping.Forinput
supplieswhichhavesupplyimbalancegreaterthan3%,GErecommendstheinstallationofinputlinereactors.
Frequency
50–60Hz+/-5%Variation
ShortCircuitCapacity
VoltageRating
MinkW(HP)
MaxkW(HP)
Maximumsupplyshort-circuitcurrent
230V
0.37(0.5)
11(15)
100kArms(AC)
400/460V
0.75(1)
22(30)
100kArms(AC)
Allthedrivesintheabovetablearesuitableforuseonacircuitcapableofdeliveringnotmorethantheabove
specifiedmaximumshort-circuitAmperessymmetricalwiththespecifiedmaximumsupplyvoltagewhenprotected
byClassJfuses.
MechanicalInstallationRequirements
AllAF-70unitsareintendedforindoorinstallationwithincontrolledenvironmentswhichmeettheconditionlimitsshowninsection9.1
Thedrivecanbeoperatedwithinanambienttemperaturerangeasstatedinsection9.1
ForIP20units,installationisrequiredinapollutiondegree1environment
ForIP66(Nema4X)units,installationinapollutiondegree2environmentispermissible
Unitsize4mustbemountedinanenclosureinamannerthatensuresthedriveisprotectedfrom12.7mm(1/2inch)ofdeformationofthe
enclosureiftheenclosureimpacted.
ElectricalInstallationRequirements
Incomingpowersupplyconnectionmustbeaccordingtosection4.3
SuitablePowerandmotorcablesshouldbeselectedaccordingtothedatashowninsection9.2andtheNationalElectricalCodeorother
applicablelocalcodes.
MotorCable
75°CCoppermustbeused
Powercableconnectionsandtighteningtorquesareshowninsections3.3and3.5
IntegralSolidSateshortcircuitprotectiondoesnotprovidebranchcircuitprotection.Branchcircuitprotectionmustbeprovidedin
accordancewiththenationalelectricalcodeandanyadditionallocalcodes.Ratingsareshowninsection9.2
Transientsurgesuppressionmustbeinstalledonthelinesideofthisequipmentandshallberated480Volt(phasetoground),480Volt
(phasetophase),suitableforovervoltagecategoryiiiandshallprovideprotectionforaratedimpulsewithstandvoltagepeakof4kV.
ULListedringterminals/lugsmustbeusedforallbusbarandgroundingconnections
GeneralRequirements
AF-70providesmotoroverloadprotectioninaccordancewiththeNationalElectricalCode(US).
• Whereamotorthermistorisnotfitted,ornotutilised,ThermalOverloadMemoryRetentionmustbeenabledbysettingH-50=1
• Whereamotorthermistorisfittedandconnectedtothedrive,connectionmustbecarriedoutaccordingtotheinformationshown
insection4.9.2
9.5. EMCFilterDisconnect
DriveswithanEMCfilterhaveaninherentlyhigherleakagecurrenttoGround(Earth).ForapplicationswheretrippingoccurstheEMCfiltercan
bedisconnected(onIP20unitsonly)bycompletelyremovingtheEMCscrewonthesideoftheproduct.
Removethescrewasindicatedbelow

TheAF-70hasinputsupplyvoltagesurgesuppressioncomponentsfittedtoprotectthedrivefromlinevoltagetransients,typicallyoriginating
fromlightningstrikesorswitchingofhighpowerequipmentonthesamesupply.

WhencarryingoutaHiPot(Flash)testonaninstallationinwhichthedriveisbuilt,thevoltagesurgesuppressioncomponentsmaycausethe
testtofail.ToaccommodatethistypeofsystemHiPottest,thevoltagesurgesuppressioncomponentscanbedisconnectedbyremovingthe
VARscrew.AftercompletingtheHiPottest,thescrewshouldbereplacedandtheHiPottestrepeated.Thetestshouldthenfail,indicatingthat
thevoltagesurgesuppressioncomponentsareonceagainincircuit.

