Specifications

Switchpointheating VärmeKabelTeknik
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Index
GENERAL......................................................................................................................PAGE
GeneralaboutinstallationofVELOXSwitchpointheating...........................................................2
Compontents...........................................................................................................................3‐4
Assemblyinstructions..............................................................................................................5‐6
Assemblyinstructionsforcontrolcabinets..................................................................................7
Communication/Supervising........................................................................................................8
Communication/Supervisingaccessories...............................................................................9‐10
Functiontestsandfaultdetection.............................................................................................11
Installationprotocol...................................................................................................................12
Ownremarks..............................................................................................................................13
VärmeKabelTeknik.....................................................................................................................14
Generalremarksabouttheinstallationofswitchpointheating
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Heating element
Railwayswitchpointheatingisinstalledinorderto
main‐tainthefunctionofthepointmechanismwithout
theneedformanualclearing.
Theinstallationinvolvespositioningflexibleheatingele‐
mentsalongthefootofthestockandswitchrails.Inex‐
tremecases,doubleelementswillbeinstalledinthe
sec
‐tionofthepointbladewiththemostmovement,in
ordertoquicklymeltanysnoworicefallingoffpassing
trainsasaresultofvibration.
Thepointrodpitmayalsobeprovidedwithheatingby
meansofourpointrodheaters,whichareconnectedup
toextension
terminalsontheheaterspositionedonthe
stock‐rail.
Theheatingelementsarefixedtotherailusing
stainless‐steelprotectivechannels.Thechannelsare
suppliedinlengthsofonemetreandareavailablein
rigidandflexibledesigns.
Heatersandchannelsarefixedtotherailbymeansof
special
clipsmadeofspringsteel.
Severaldifferenttypesofrailprofilesare
foundintheswitchpointsthatexisttoday,
andsoitisimportanttostatethecorrecttype
ofrailinordertogettheappropriatetypeof
clip.
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Control system
TheVELOXswitchpointheatingsystemcanbeusedwith
themostexistingcontrolsystems,providedtheysupply
230Vonthefeedercabletothepointheating.
Thisisbecausetheheaterslimittheirpoweroutputin
relationtothetemperatureoftherail.
Asaresultofitsdesign,theheating
elementproducesa
relativelystrongstartingcurrent,butthiscanbe
preventedthroughtheuseofsoft‐startregulators.
VELOXRAILPOINTREGULATOR
Wemanufacturecustomdesignedautomatic‐control
cabi‐netscontainingthyristorcontroldevicesandsoft‐
startregulators,aswellasequipmentforremote
controlandloggingofenergyconsumption
and
temperature,amongotherdata.
Theparametersoftheregulatorcanbecheckedandad‐
justedfromaremote‐connectedcomputer,andlogged
temperatureandcurrentvaluesmay,inthesameway,
becollectedandanalysedfurther.Communicationisby
afixedtelephoneconnectionorviaamodeminthe
auto
‐matic‐controlcabinetoveramobilelink.
Itisimportanttoindicateaccesstoa
telecommunicationconnectionandtostatethetypeof
feedingavailable(230/400or115/230)andiffouror
fiveconductorsystem.
Moredetailedinformationcanbeobtainedbyour
switchpointheatingdatasheets.Call+46‐301‐418
50orsendusamail‐[e-mail]
‐toorderthese
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