WEG CFW900 - Installation According to the European Directive of Electromagnetic; Compatibility; Standard Definitions

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INSTALLATIONANDCONNECTION
3.3INSTALLATIONACCORDINGTOTHEEUROPEANDIRECTIVEOF
ELECTROMAGNETICCOMPATIBILITY
InverterswithsuffixC3haveaninternalRFIfiltertoreduceelectromagneticinterference. Theseinverters,when
installedinaccordancewiththeinstructionscontainedinthismanual,meettherequirementsoftheelectromagnetic
compatibilitydirective“EMCDirective2004/108/EC”.
TheCFW900inverterserieshasbeendesignedonlyforindustrialapplications. Therefore,theemissionlimitsof
harmoniccurrentsdefinedbythestandardsEN61000-3-2andEN61000-3-2/A14.
!
WARNING!
FortheCFW900lineoperatinginITnetworks(ungroundedneutralorgroundingbyahighohmic
valueresistor)ordeltacornerearthednetworks,itisnecessarytodisconnectthegroundingscrews,
asexplainedin
item3.2.4.1.forinternaldamagetotheinverterwilloccur.Inthesecases,theinverter
fallsintocategoryC4accordingtoIEC/EN61800-3.
3.3.1StandardDefinitions
DefinitionsofIEC/EN61800-3Standard:”AdjustableSpeedElectricalPowerDrivesSystems”
Environment:
FirstEnvironment:includesdomesticpremises.Italsoincludesestablishmentsdirectlyconnectedwithout
intermediatetransformertoalow-voltagepowersupplynetworkwhichsuppliesbuildingsusedfordomestic
purposes.
SecondEnvironment:includesallestablishmentsotherthanthosedirectlyconnectedtoalow-voltagepower
supplywhichsuppliesbuildingsusedfordomesticpurposes.
Categories:
CategoryC1:inverterswithavoltageratinglessthan1000VandintendedforuseintheFirstEnvironment.
CategoryC2:inverterswithavoltageratinglessthan1000V,intendedforuseintheFirstEnvironment,notprovided
withaplugconnectororamovableinstallations,andinstalledandcommissionedbyaprofessional.
CategoryC3:inverterswithavoltageratinglessthan1000VandintendedforuseintheSecondEnvironment
only(notdesignedforuseintheFirstEnvironment).
CategoryC4:inverterswithavoltageratingequaltoorgreaterthan1000V,orwithacurrentratingequaltoor
greaterthan400Amps,orintendedforuseincomplexsystemsintheSecondEnvironment.
DefinitionsofEN55011Standard:”Thresholdvaluesandmeasuringmethodsforradiointerferencefrom
industrial,scientificandmedical(ISM)high-frequencyequipment”
ClassB:equipmentintendedforuseinthelowvoltagepowersupply(condominiums,commerceandlightindustry).
ClassA1:equipmentintendedforuseinthelowvoltagepowersupply.Restricteddistribution.
Note:itmustbeinstalledandcommissionedbyaprofessionalwhenappliedinlowvoltagepowersupply.
ClassA2:equipmentintendedforuseinindustrialenvironments.
✓
NOTE!
Aprofessionalisapersonororganizationfamiliarwiththeinstallationand/orcommissioningof
inverters,includingtheirEMCaspects.
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