Wavecom WMO2 GSM 900 Specifikace stáhnout pdf (Strana 7)

VärmeKabelTeknik Switchpointheating

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Assemblyinstruction Controlcubicle

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Thecontrolcabinetshouldbemountedasclosetothe

switchaspossibletoavoidhighcostsforsuppliestothe

switchpointheatingelementsandunnecessarilylong

sensorcablescausingdeviationsinthevaluesreadoff.

Connectionstotheelementsaremadeusing8/4

conductorsinrubberwithseparateconductorsfor

each

element.

SincethecontrolcabinetisfedbyanormalEkki4/5x

6mm²itismoreeconomicaltochoosealongerdistance

fortheincomingsupply.

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Thecontrolcabinetissuppliedinternallycompleted.We

supplytheconnectioncablebetweenthecabinetand

theelementinthestandardlengthof10m.Ifthe

distanceexceedsthestandardlength,anextra

connectionleadcanbejointedinajointingboxsupplied

byus.

Sensorswithcablesofrequired

lengthshouldbe

ordered.

Elementcablesshouldbeconnectedtoterminalblocks

accordingtothecircuitdiagram.

Sensorcablesareconnecteddirectlytothesensorcard.

Thecabinetsupplycabletothecabinetisconnected

directlytothelinebreakerandzero/earthterminal

block.

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Sensorsaremountedontheundersideoftherailatthe

tipofthemovingrail;thesensorisfixedbytightening

theboltofthespecialfasteningdevice.Thesensor

shouldbeplacednexttoasleeperandthesensorcable

inprotectivetubingfixedtothesideof

thesleeperby

clips.

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Thecontrolcabinetisconstructedaroundathyristor

controlwitheightchannels(expandable).Tothe

thyristorcontrolbelongacontrolcardandoneormore

eight‐channelsensorcards.Anumberofaccessoriescan

beconnectedtothesensorcards:

 Temperaturesensor(ThermoelementtypeK)

 Currenttransformer

forcurrentmeasuring

 Moisturesensoretc.

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