
Mountthedeviceinaweatherprooflocation.
Ensurethattheoperatinglocationhasasufficientfloorloadcapacity.
Ifmountingtheenclosureonconcreteuseexpansionanchors.When
mountingtheenclosuretoasteelframeworkusevibrationresistant
mountingmaterial.
Ensurethatallfastenersarepresent.
Observethetighteningtorqueofthescrews.
Protectthedeviceagainstlong-termorexcessivemechanicalvibrations.
Installthedeviceinlocationswithalowriskofmechanicalhazard
accordingtoIEC/EN60079-0only.
Thedeviceisheavy.Inordertoavoidpersonalinjuriesorproperty
damage,makeappropriateprovisionsforthemountingprocedure.
Donotmountthedeviceatlocationswhereanaggressiveatmosphere
maybepresent.
Donotdamagethebreatherdrain.
Donotcoverthebreatherdrain.
ObservetheinstallationinstructionsaccordingtoIEC/EN60079-14.
ObservetheinstallationinstructionsaccordingtoIEC/EN60079-25.
Ifthedevicehasalreadybeenoperatedingeneralelectricalinstallations,
thedevicemaysubsequentlynolongerbeinstalledinelectrical
installationsusedincombinationwithhazardousareas.
Ensurethattheequipotentialbondingconnectionsareingoodcondition,
andarenotdamagedorcorroded.
Ensurethattheterminalsareingoodconditionandarenotdamagedor
corroded.
Whenconnectingintrinsicallysafedeviceswithintrinsicallysafecircuitsof
associatedapparatus,observethemaximumpeakvalueswithregardto
explosionprotection(verificationofintrinsicsafety).Observethe
standardsIEC/EN60079-14orIEC/EN60079-25.
Provideatransientprotection.Ensurethatthepeakvalueofthetransient
protectiondoesnotexceed140%oftheratedvoltage.
Thedevicemustbeinstalledandoperatedonlyinacontrolled
environmentthatensuresapollutiondegree2(orbetter)accordingto
IEC/EN60664-1.
Thedevicemustbedisconnectedfromthepowersupplypriorto
installationandmaintenance.Thepowersupplymaybeactivatedonly
afterallthecircuitsrequiredforoperationhavebeenfullyassembledand
connected.
OnlyconnectadevicethatisinaccordancewithIEC/EN60950-1andis
designedassafetyextra-lowprotectivevoltage(SELV)system.
Protectthecircuitagainstovervoltage(e.g.,lightning).
Thedeviceprovidesagroundingterminaltowhichanequipotential
bondingconductorwithaminimumcrosssectionof4mm2mustbe
connected.
Requirements in Relation to Intrinsic Safety
Securetheconnectionsofthenon-intrinsicallysafecircuits
againstlooseningbysuitablemeans.
IfcircuitswithtypeofprotectionExiareoperatedwithnon-intrinsically
safecircuits,theymustnolongerbeusedascircuitswithtypeof
protectionExi.
Observethemaximumvaluesofthedevice,whenconnectingthedevice
tointrinsicallysafeapparatus.
Keeptheseparationdistancesbetweenallnon-intrinsicallysafecircuits
andintrinsicallysafecircuitsaccordingtoIEC/EN60079-14.
Observethecomplianceoftheseparationdistancesbetweentwo
adjacentintrinsicallysafecircuitsaccordingtoIEC/EN60079-14.
Circuitsofintrinsicallysafeapparatuscanbeledintohazardousareas,
wherebyspecialattentionmustbepaidtomaintainingseparation
distancestoallnon-intrinsicallysafecircuitsaccordingtotherequirements
inIEC/EN60079-14.
ObservethegroundingrequirementsfortypeofprotectionExiaccording
toIEC/EN6007914.
Forintrinsicallysafecircuits,thedielectricstrengthoftheinsulationagainst
otherintrinsicallysafecircuitsandagainsttheshieldmustbe
atleast500VaccordingtoIEC/EN60079-14.
Equipotentialbondingmustbeachievedalongtheintrinsicallysafe
circuits.
Requirements for Cable Glands
Installthecablesandthecableglandsinaccordance
withIEC/ENIEC60079-0andIEC/EN60079-14.
Onlyusecablesandconnectionlineswithatemperaturerange
appropriatetotheapplication.
Useonlyoneconnectionlineperopening.
Useonlyoneconductorperterminal.
Adjustthesealingelementofthecableglandtothediameterofthecables
andconnectionlinesused.
Observethetighteningtorqueofthecableglands.
Tightenallcableglandswiththeappropriatetorque.
Ensurethatallcableglandsareingoodconditionandaresecurely
tightened.
Closeallunusedcableglandswiththeappropriatesealingplugs.
Requirements for Cables and Connection Lines
Observethemaximumpermissiblelengthofcablesandconnectionlines.
Thedielectricstrengthoftheinsulationmustbeatleast500Vaccordingto
IEC/EN60079-14.
Observethepermissiblecorecrosssectionoftheconductor.
Theinsulationstrippinglengthmustbeconsidered.
Wheninstallingtheconductorstheinsulationmustreachuptothe
terminal.
Whenusingstrandedconductors,crimpwireendferrulesonthe
conductorends.
Observetheminimumbendingradiusoftheconductors.
Thenominalcorecrosssectionofaconnectedconductoris2.5mm2
(solid,finelystranded,andstranded).
Unusedcablesandconnectionlinesmustbeeitherconnectedtoterminals
orsecurelytieddownandisolated.
Installthecablesandconnectionlinesinsuchawaythattheyare
protectedfromultravioletradiation.
Installcablesandcableglandsinawaythattheyarenotexposedto
mechanicalhazards.
Equipotentialbondingmustbeachievedalongthefieldcircuits.
Requirements in Relation to Electrostatics
Avoidelectrostaticchargeswhichcouldresultinelectrostaticdischarges
whileinstalling,operating,ormaintainingthedevice.
Mountthedeviceinalocationwithlowelectrostaticcharge.
Avoidinadmissiblyhighelectrostaticchargeofthecablesandconnection
lines.
Includethemetalhousingcomponentsintheequipotentialbonding.
Anelectrostaticchargeposesanignitionhazardincaseofdischarge.
Includethefastenersintheequipotentialbonding.
Requirements for Surrounding Enclosures
Ifadditionalsurroundingenclosuresarerequired,thefollowingpointsmust
beconsideredduringinstallation:
lDegreeofprotectionaccordingtoIEC/EN60529
lResistancetolightaccordingtoIEC/EN60079-0
lResistancetoimpactaccordingtoIEC/EN60079-0
lResistancetochemicalagentsaccordingtoIEC/EN60079-0
lThermalenduranceaccordingtoIEC/EN60079-0
lElectrostaticsaccordingtoIEC/EN60079-0
Mountthesurroundingenclosureinawaythatallhousingoutlets,e.g.,
cableglandsandbreatherdrainsfacedownwards.
Whentheenclosurecoverisfitted,ensurethatallfastenersarefully
tightened.
Mountthedevicesothatitcomplieswiththespecifieddegreeof
protectionaccordingtoIEC/EN60529.
Forcableglandsonlyuseincomingcablediametersoftheappropriate
size.
Ensurethatthesurroundingenclosureisnotdamaged,distorted,or
corroded.
Ensurethatallsealsareclean,undamaged,andcorrectlyfitted.
Tightenallscrewsofthesurroundingenclosure/surroundingenclosure
coverwiththeappropriatetorque.
Closeallunusedenclosureholeswiththeappropriatestoppingplugs.
9. Operation, Maintenance, Repair
Priortousingtheproductmakeyourselffamiliarwithit.Readthe
instructionmanualcarefully.
Donotstaybelowtheopendevice.Inordertoavoidpersonalinjuriesor
propertydamage,makeappropriateprovisionsforthemountingand
maintenanceprocedures.
ObserveIEC/EN60079-17formaintenanceandinspection.
Donotuseadamagedorpolluteddevice.
Ifthereisadefect,thedevicemustberepairedbyPepperl+Fuchs.
Thedevicemustnotberepaired,changed,ormanipulated.Incaseof
failure,alwaysreplacethedevicewithanoriginaldevice.
Observethewarningmarkings.
Donotremovethewarningmarkings.
Ifthedeviceisinstalledinpotentiallyexplosivedustatmosphere,remove
dustlayerswhichexceed5mminregularintervals.
Removethedustbeforeopeningthesurroundingenclosure.
Connectionordisconnectionofenergizednon-intrinsicallysafecircuitsis
onlypermittedintheabsenceofapotentiallyexplosiveatmosphere.
Ifcleaningisnecessarywhilethedeviceislocatedinahazardousarea,in
ordertoavoidelectrostaticchargingonlyuseacleandampcloth.
Avoidmechanicalimpactstothedevice(e.g.fromheavyorsharp-
edgedobjects).
Thedevicecangetveryhotduringoperation.Toprotectthedevicefrom
excessiveheating,observetherequiredclearancesandsufficient
ventilationwheninstallingthedevice.
Donotuseinterfacesthatarenotintendedfortheuseintheexplosion-
hazardousarea.
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