印度某MW電廠電氣作業(yè)指導書25

Theautomaticfirealarmsystem第7頁共7頁InstructionforinstallationandtestTheautomaticfirealarmsystem1.Relateddocumentationsandstandards1.1.Chinesestandard(GB50166-92):Codeforinstallationandcommissioningofautomaticfirealarmsystem1.2.TheChinesestandard(GB50258-96):Codeforconstructionandacceptanceof1kVandunderfeedercableengineering2.Receiptandstorage2.1.Examinethestateofthedevicesandthematerialsreceivedtocheckthatitcorrespondswithwhatwasordered.2.2.Checkallpackagesforexternalsignsofdamage.2.3.Pleasecheckconditionandqualityofthedevicesandmaterials,andcomparethemwiththepackinglist.2.4.Ifonunpacking,whichmustbecarriedoutcarefully,anydamageorirregularityisnoted,notifythiswithindefiniteperiodofreceiptofthegoods,notificationmustindicatetheshippingnotenumber.2.5.Ifthedevicesistobestoredforevenshortperiodsbeforebeingputintoservice,afteronreceiptitisadvisabletoputitbackintoitsrelativecontainerandcoveritwithawaterprooftarpaulin.Useadryanddust-freeambientforstoragewithoutanyaggressivechemicalagents.Placethedeviceandanyfixedpartonahorizontalsurfacenotindirectcontactwiththefloor,butonasuitablesupport.2.6.Selectalocationforthedeviceinaclean,dry,vibration-freeareawithmoderatetemperature.2.7.Withregardtolifting,followtheseinstructions:thedevicesmustbeplacedonasturdysurfaceandpreferablyliftedusinganappropriatefork-lifttruck.Theuseofropesis,however,permitted:inthiscasetheliftingropesmustbehookedfirmly.3.Installationoftheautomaticfirealarmsystem3.1.Installationoftheintelligentcontrolpanel3.1.1.Heightofthecontrolpanelbottom,whichisinstalledonawall,shouldnotlessthan1.5m.Heightofthebottom,whichisinstalledonground,isabout0.1~0.2m.3.1.2.Distancebetweenthecontrolpanelandthewallorotherdeviceshouldbemorethan0.5m.Operatingrangefromfrontpanelshouldbemorethan1.2m.3.1.3.Thewiringintothecontrolpanelshouldmeetfollowingrequirements:.Eachtypeofcircuitwithinthefirealarmcontrolsystemrequiresuseofaspecificwiretypetoensurepropercircuitoperation.Thewiregaugeofaparticularcircuitdependsonthelengthofthatcircuit..Compliancewiththerelativeregulationsonelectricalenergyradiationrequiresthefollowing:Usetwisted-pairshieldedwireforanywiringenteringorexitingthecabinetthatisnotenclosedinconduit..Thewiringshouldberegular,orderlyandfirm.Crossofthewiresisinhibited..Markandtypethenumbersontheendsofthewiresandthecablecoresaccordingtothedesigndrawings..Connectonlyoneortwowirestoeachterminalontheterminalboard..Remain20cmormoresparelengthofeachwireorcablecoreduringconnection.3.2.Installationofthedetectorandthesensor3.2.1.Installationlocationofthepointtypedetectorsmustmeetfollowingrequirement:.Horizontaldistancebetweenthedetectorsandthewallsmustbemorethan0.5m..Therearen’tanybafflesaroundthedetectors..Horizontaldistancebetweenthedetectorsandtheblowoutholesoftheairconditioningmustbemorethan1.5m..Thedetectorsshouldbeinstalledinthemiddleofthecorridorceiling.Thedistanceinstalledeachothershouldbelessthan10mforthermalsensors,15mforthesmokedetectors.Thedistancebetweenthedetectorandtheendwallshouldbelessthanthatinstalledeachother..Thedetectormaybeinstalledhorizontally.3.2.2.Thethermalcablecanbelaidonthesurfaceofthepowercable,oilbox,transportationbelt,etc.Thethermalcableshouldbefixedbytheclamps.Thedistancebetweentheclampsshouldbelessthan0.5mforstraightpart,0.1mforbendedpart.Theradiusofcurvatureofthethermalcableshouldbemorethan20m.Thedistancebetweentheclampandterminalforconnectingthewiresshouldbelessthan0.1m.3.2.3.Fixthebasesforthedetectorsfirmly.3.2.4.Theredwiresare“positive”andthebluewiresare“negative”ofthedetectors.3.2.5.InstalltheheadsofthedetectorsinordertopersoncanobservethestatusLEDindicatorseasily.3.2.6.Remain15cmormoresparelengthofeachwirewhenthebasesareconnected.3.3.Installationofthemanualpush-buttons3.3.1.Theheightofthemanualpush-buttonis1.5m.3.3.2.Remain10mormoresparelengthofeachwirewhenthepush-buttonsareconnected.3.4.Wiring3.4.1.Cleanthepipesbeforelayingthewiresthoughthepipes.3.4.2.Thewiresofdifferentsystems,voltagelevels,andcurrentclassesmustnotbelaythroughsamepipe.3.4.3.Therearen’tconnectionjointsandtwistsinthepipes.Connectwiresbyweldorwiththeterminalsinthejunctionboxes.3.4.4.Installthejunctionboxesifthelengthofthepipesexceedfollowing:.45m..30mandthereisonebendonthepipe..20mandtherearetwobendsonthepipe..12mandtherearethreebendsonthepipe.3.4.5.Screwthenutsonthepipes,whenconnectthemtothejunctionboxes.3.4.6.Totalcrosssectionoftheinsulatedconductorsandthecablesthroughthepipeshouldnotexceed40%ofinnercrosssectionofthepipe.3.4.7.Qualitystandardslayingtheprotectivepipesareasshownintable3.4.7.Table3.4.7.:LayingoftheprotectivepipesItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationExaminationofthepipesTypes,specificationsandmaterialsAccordancewiththedesignsCheckdependonthedrawingsAppearanceSteelpipesOutersurfaceWithoutdamageandseriouscorrosion,platedzincisperfectInspectionInnersurfaceWithoutfragmentandimpurityPlasticpipesOutersurfaceWithoutcrackanddamageInspectionInnersurfaceWithoutimpurityManufactureofthepipesPaths,locationsandmannersAccordancewiththedesignsCheckdependonthedrawingsCurvaturepartsCurvatureradiusAccordancewiththecodesCheckdependonthecodesFlatdegreeHatchPerfectandsmoothInspectionHorizontalandverticalerrorsofthepipesMainAccurateDistancebetweentheelectricpipesandthermalpipesMainAccordancewiththecodesCheckdependonthecodesInstallationoftheconnectionboxesTypesMatchwiththeswitches,thesocketsandthecoverboardsInspectionInstallationlocationsAccordancewiththedesignsCheckdependonthedrawingsFixtureandburyingSolidInspectionConnectionofthepipesSteelpipesConnectionwithordinaryscrewsFirmandreliableforweldtheearthedjumpersInspectionConnectionwithanti-explosivescrewsUniformforbrushelectriccompoundlipid,andreliableforjumpearthedclamperConnectionwithsleevesStraight,solidandtightConnectionwithboltsTight,withoutloosenessPlasticpipesSolidforgluingInspectionFixtureUniformandappropriateDirectTotheboxesMatchwithnutsofthesteelpipesExtend2~3turnsofscrewsoverthenutsInspectionMatchbyweldsteelpipesExtend3~5mmoverinnerwallsoftheboxesPlasticpipesExtend3~5mmoverinnerwallsoftheboxesTothedistributionpanelsNeat,andextend50~80mmabovebottomsofthepanelsTransitiveProtectwiththesoftpipesWrapthehatchtightlyInspectionProtectwiththespecialjointsoftpipesReliableandsealFillersintheisolatedsealersMainSmoothandwithoutcrackInspectionSealatjointersGoodAnti-corrosionforpipesandaccessoriesAccordancewiththedesignsCheckdependonthedrawingsEarthandconnecttotheneutralwires3.4.8.Qualitystandardsofwiringareasshownintable3.4.8.Table3.4.8.:WiringofautomaticfirealarmsystemItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationAppearanceoftheconductorsMainInsulationlayersareperfect,withoutjointsInspectionConnectionoftheconductorsMainSolidandreliableCheckbyascrewdriverLayoutoftheconductorsMainAccordancewiththecircuitdiagramsCheckdependonthecircuitdiagramRemarkontheconductorendsCorrectanddistinctInspectionInsulationclassesofthewiresinthepanelsWithstandvoltagesaremorethan500VExaminethemanufacturecertificatesCrosssectionsofwiresinthepanelsCurrentcircuits≥2.5mm2CheckbyawiregaugeSignalandvoltagecircuits≥1.5mm2Littlecurrentcircuits≥0.5mm2ConductorsatmovablepartsMainMulti-strandflexiblecopperwiresInspectionLeadthecontrolcablesAccordancewiththedesignsCheckdependonthedrawingsTieoftheconductorsUniformandappropriateInspectionFixtureoftheconductorsSolidNumberofthecoresoneachterminal≤2Sparelengthofstand-bycoresTofarthestterminalSparelengthoftheconductorsatleadingplacesAppropriateanduniformConnectionoftheelectriccircuitsTightandreliableCheckbyascrewdriverBendcoresatendsClockwiseandappropriateInspectionAppearanceofthecoresMainWithoutdamageTreatendsofthemulti-strandflexiblewiresMainInstalltheterminalaccessoriesorplatetinDispositionofthefastenersCompleteandmatchwithcrosssectionsoftheconductorsJointerofthesecondarycircuitsMainCoppermaterialsEarthSecondarycircuitsShieldedcablesMainEarththescreenedlayersreliablyaccordingtothedesignsExamineconductanceIntervalsbetweennakedpartsandgroundMainAccordancewiththecodesCheckdependonthecodesLeakagedistanceonsurfaceofnakedparts3.5.Installthecontrolmodules,themonitormodules,theisolatormodules,andetc.accordingtothemanufacturer’smanuals.4.Test4.1.Measureinsulationresistanceofthecircuitconductorswitha500Vmeg-ohm-meter.Measuredvalueshouldbemorethan20MΩ.4.2.Checkthemainandauxiliarypowersupply.ThecapacityoftheACpowersupplyandthebatteryshouldmeettherequirement.Chargeanddischargethebatterythreetimes.Themainandauxiliarypowersupplycanswitcheachotherautomatically.4.3.Testthefirealarmpanelsofthecentralstationandthezonestation,thecontrolmodules,themonitormodules,theisolatormodules,theCRTterminals,thevoicealarmsystem,theremotedisplays,theremotecontrols,theremoteprinters,andetc.separately.4.4.Checkthefollowingfunctionsoftheautomaticfirealarmsystemafterenergizing:4.4.1.Firealarm4.4.2.Adetectorautomatictestoperation4.4.3.Alarmsilence4.4.4.Systemreset4.4.5.Systemtrouble4.4.6.Systemmemory4.4.7.Powersupplytroubles4.5.ThefirealarmstatusindicatorLEDshouldflashesorlightssteadilywhenblowsmoketothesmokedetector,andturnoffwhenclearthealarmconditionorresetthesystem.4.6.ThefirealarmstatusindicatorLEDshouldflashesorlightssteadilywhenblowhotairtotheheatdetector,andturnoffwhenclearthealarmconditionorresetthesystem.5.Puttingintoservice5.1.Generaldescription5.1.1Whenfinishedwiththeoriginalinstallationandallmodifications,conductacompleteoperationaltestontheentireinstallationtoverifycompliancewithapplicablestandards.Testingshouldbeconductedbyafactory-trainedtechnicianinthepresenceofarepresentativeofthemanufacturerandtheowner’srepresentative.Followproceduresoutlinedintherelatedstandard.5.1.2.Periodictestingandservicingofthesystem,alldevices,andanyotherassociatedequipmentisessentialtoensureproperandreliableoperation.Testandservicethesystemandthedeviceaccordingtotheschedulesandproceduresoutlinedinthemanufacturer’smanuals.5.1.3.Betweenformalperiodictestingandservicingintervals,therelatedoperationchecksshouldbeperformedfordefiniteperiod,orfrequentlywhenrequiredbytheowner.5.2.Theautomaticfirealarmsystemmustbeoperatednormallyfor120h.5.3.Activateaninitiatingdevicecircuitusinganalarminitiatingdeviceandcheckthatallactivenotificationappliancesfunction.Resetthealarminitiatingdevice,thecontrolpanel,andanyotherassociatedequipment.Invoicealarmapplications,confirmthatthepropertonesandmessagessoundduringalarmconditions.Selectthepagingfunctionandconfirmthatthemessagecanbeheardintheaffectedfirezones.Repeattheabove