Fiberplex WDM8 Uživatelský manuál stáhnout pdf (Strana 4)

AmbientTemperature

UnitsandsystemsbyFiberPlexaregenerallydesignedforanambienttemperaturerange(i.e.temperatureoftheincomingair)of5°Cto40

°C(41°Fto104°F).Whenrackmountingtheunits,thefollowingfactsmustbeconsidered:





Thepermissibleambienttemperaturerangeforoperationofthesemiconductorcomponentsis0°Cto+70°C(32°Fto158°F)

(commercialtemperaturerangeforoperation).



Theairflowthroughtheinstallationmustallowexhaustairtoremaincoolerthan70°C(158°F)atalltimes.



Average

temperatureincreaseofthecoolingairshallbeabout20°C(68°F),allowingforanadditionalmaximum10°Cincreaseat

thehottestcomponents.



Inordertodissipate1kWwiththispermissibleaveragetemperatureincrease,anairflowof2.65m³/minisrequired.

Example:Arackdissipating

P=800Wrequiresanairflowof0.8*2.65m³/minwhichcorrespondsto2.12m³/min.



Ifthecoolingfunctionoftheinstallationmustbemonitored (e.g.forfanfailureorilluminationwithspotlamps),theexhaustair

temperaturemustbemeasureddirectlyabovethemodulesatseveral

placeswithintheenclosure.

GroundingandPowerSupply

Groundingofunitswithmainssupply(ClassIequipment)isperformedviatheprotectiveearth(PE)conductorintegratedinthree‐pin

Phoenix™connector.Unitswithbatteryoperation(<60V,ClassIIIequipment)mustbeearthedseparately.Groundingtheunitisoneofthe

measuresforprotectionagainstelectricalshockhazard(dangerousbodycurrents).Hazardousvoltagemaynotonlybecausedbydefective

powersupplyinsulation,butmayalsobeintroducedbytheconnectedaudioorcontrolcables.



Thisequipmentmayrequiretheuseofadifferentlinecord,attachmentplug,orboth,dependingontheavailablepowersourceat

installation.Iftheattachmentplugneedstobechanged,referservicingtoqualifiedpersonnel.



ClassIEquipment(MainsOperation)

Shouldtheequipmentbedeliveredwithoutamatchingmainscable,thelattermustbepreparedbyatrainedpersonusingtheattached

femaleplug(Neutrik™powerCONTRUE1)withrespecttotheapplicableregulationsinyourcountry.

BeforeconnectingtheequipmenttotheACpoweroutlet,checkthatthelocallinevoltage

matchestheequipmentrating(voltage,

frequency)withintheadmissibletolerance.Theequipmentfusesmustberatedinaccordancewiththespecificationsontheequipment.

Equipmentsuppliedwitha3‐poleapplianceinlet(protectionconformingtoclassIequipment)mustbeconnectedtoa3‐poleACpower

outletsothat

theequipmentcabinetisconnectedtotheprotectiveearth.

WARNING:

Ifthegroundisdefeated,certainfaultconditionsintheunitorinthesystemtowhichitisconnectedcan

resultinfulllinevoltagebetweenchassisandearthground.Severeinjuryordeathcanthenresultifthe

chassisandearthgroundaretouchedsimultaneously.

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