GE AF-70 LP User Manual

AF-7
AF-70 LP
4
12

11
4. Power&ControlWiring
4.1. ConnectionDiagram
4.1.1. IP20&IP66(Nema4X)Non-SwitchedUnits
Key
Sec.
Page

A
ProtectiveEarth(PE)Connection
4.2
11
B
IncomingPowerConnection
4.3
12
C
Fuse/CircuitBreakerSelection
4.3.2
12
D
OptionalInputChoke
4.3.3
12
E
OptionalExternalEMCFilter
4.10
14
F
InternalDisconnect/Isolator
4.3
12
G
OptionalBrakeResistor
4.11
14
H
MotorConnection


I
AnalogOutput
4.8.1
14
J
RelayOutput
4.8.2
14
K
UsingtheREV/0/FWDSelector
Switch(SwitchedVersionOnly)
4.7
13
L
AnalogInputs
4.8.3
14
M
DigitalInputs
4.8.4
14


4.1.2. IP66(Nema4X)SwitchedUnits

4.2. ProtectiveEarth(PE)Connection
GroundingGuidelines
ThegroundterminalofeachAF-70shouldbeindividuallyconnectedDIRECTLYtothesitegroundbusbar(throughthefilterifinstalled).AF-70
groundconnectionsSHOULDNOTLOOPfromonedrivetoanother,orto,orfromanyotherequipment.Groundloopimpedancemustconfirm
tolocalindustrialsafetyregulations.TomeetULregulations,ULapprovedringcrimpterminalsshouldbeusedforallgroundwiring
connections.
ThedriveSafetyGroundmustbeconnectedtosystemground.Groundimpedancemustconformtotherequirementsofnationalandlocal
industrialsafetyregulationsand/orelectricalcodes.Theintegrityofallgroundconnectionsshouldbecheckedperiodically.
ProtectiveEarthConductor
TheCrosssectionalareaofthePEConductormustbeatleastequaltothatoftheincomingsupplyconductor.
SafetyGround
Thisisthesafetygroundforthedrivethatisrequiredbycode.Oneofthesepointsmustbeconnectedtoadjacentbuildingsteel(girder,joist),a
floorgroundrod,orbusbar.Groundingpointsmustcomplywithnationalandlocalindustrialsafetyregulationsand/orelectricalcodes.
MotorGround
Themotorgroundmustbeconnectedtooneofthegroundterminalsonthedrive.
GroundFaultMonitoring
Aswithallinverters,aleakagecurrenttoearthcanexist.TheAF-70isdesignedtoproducetheminimumpossibleleakagecurrentwhilst
complyingwithworldwidestandards.Thelevelofcurrentisaffectedbymotorcablelengthandtype,theeffectiveswitchingfrequency,the
earthconnectionsusedandthetypeofRFIfilterinstalled.IfanELCB(EarthLeakageCircuitBreaker)istobeused,thefollowingconditions
apply:-
• TypeBDevicemustbeused
• ThedevicemustbesuitableforprotectingequipmentwithaDCcomponentintheleakagecurrent
• IndividualELCBsshouldbeusedforeachAF-70
AF-70LP
AF-70LP

GE AF-70 LP Specifications

General

Brand	GE
Model	AF-70 LP
Category	Inverter
Language	English