5IP‐E282‐001GB
CommunicationbetweenthePOLON4000firealarmcontrolpanelandtheDOR‐4046detectorsis
obtainedwithanaddressabletwo‐wiredetectionline.Unique,fullydigitalcommunicationprotocol
enablespassinganyinformationfromthefirealarmcontrolpaneltothedetectorandinversely.
Apartfromtransmittinganevaluationoffirefactorsandtendencyoftheirchanges,thedetectorpasses
tothecontrolpanel,onitsrequest,thecurrentanaloguevalue.
Thedetectoroperationcontrollingmicroprocessormonitorscorrectnessofitsbasiccircuitsoperation
and,incaseanirregularityisfound,reportsrelevantinformationtothecontrolpanel.
TheDOR‐4046isananaloguedetectorwithanautomaticsensitivityself‐regulationdigitalmechanism
thatisitmaintainsaconstantsensitivitylevelduringprogressingdirtbuild‐upinthemeasuring
chamber.
Afterexceedingapre‐setthresholdoftechnicalalarm,thedetectortransmitsasignaltothePOLON
4000systemcontrolpaneldenotingthemeasuringchamberpartialcontamination.Thesignalis
generatedinordertoinformtheservicingpersonnelthatthedetectorparametersshallnotremainat
thedeclaredlevelincasethedirtbuild‐uptendencyismaintainedandappropriatemeasuresarenot
taken.Itmustbestressedthatthedetectorshallbefullyefficientwithinca.1/3ofthetimeperiodthat
passedsincethelatestmaintenanceworks.
Thedetectorisequippedwithaninternalshortcircuitisolatorthatcutsoffanefficientpartofa
detectionlinefromtheadjacentshortedsectionwhatenablesfurtherundisturbeddetectoroperation.
Thedetectoralarmmodeissignalledwithflashingredlightoftheilluminatingdiode.Thefaultmode,
technicalalarmandanactuationofashortcircuitisolatoraresignalledwithyellowflashesofthediode.
Thedetectorsensitivitylevelisadjustable.Itssensitivityissettledfromthecontrolpanellevelchoosing
oneofavailablesensitivitylevels:1stoperationmode–normalsensitivity,2ndoperationmode–
increasedsensitivity,3rdoperationmode–decreasedsensitivity.
Thedetectoroperationmodes(besidesthecontrolpanelalarmvariants)entailsthattheuserisableto
adapt,inthebestway,itsoperationcharacteristicstooperationinthedeterminedenvironment.
6 OPERATIONANDMAINTENANCECONDITIONS
Duringthedetectorsoperationitisobligatorytoavoidcreationofdeworrimeonthedetectorsurface
aswellastoprotectagainstexcessivecontaminationwithdust.
Inthetimeofanyrepairworks,thedetectorshouldbetakenoutorprotectedwithprovided‐
for‐this‐purposecover.Suchacovercanbeobtainedfromaninstallerorpurchasedfromthe
manufacturer.Incasethedetectoristakenout,itsbaseshouldbeprotectedagainstbeing
paintedutilisingapaintingtape.Detectorswhicharedamagedduringpaintingandrenovation
worksduetoafaultofthepersonsexecutingsuchworks(e.g.painteddetectorcasing,stuck‐
with‐paintnet,etc.)arenotsubjecttowarrantrepairs.
Duringtheoperationlife,theDOR‐4046addressableopticalsmokedetectorshouldbesubjectedto
periodicalinspectionaccordingtoPKN‐CEN/TS54‐14:2006standard,whichisexecutedinorderto
confirmthedetectorproperoperationanditsappropriateinteroperationwiththecontrolpanel.The
inspectionshouldbecarriedoutatleastevery6months.
Thedetectoroperationistestedwithasmokesimulatororsmokegenerator.
Long‐lastingoperationoftheDOR‐4046opticalsmokedetectormayresultindustaccumulationinside
itsinternalopticalchamber.Afterexceedingtheself‐regulationrangeduetothechambercontamination