UniPOS 6202-4 User manual

Brand: UniPOS

Model: 6202-4

Category: Fire protection

Type: User manual



5.SERVICESCHEDULE

Table1

TaskPeriodicity

1.Inspectionforvisiblephysicaldamageweekly

2.Satisfactoryoperationtest monthly

3.Checkandcleandustcontaminationevery6months

4.CheckandcleanbaseandheadcontactsandconnectionsAnnually

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6.WARRANTY



ThemanufacturerguaranteesproductcompliancewiththeEN54-7:2001.Thewarrantperiodis36

monthsfromthedateofpurchase,providingthatrequirementscoveredinsection5havebeen

observed.







UniPOSLtd



SHORTCIRCUITISOLATOR



WITHSURGEPROTECTOR



TYPE6202-4



1.INTRODUCTION

Shortcircuitisolator6202-4isdesignedtocutoff(toisolate)ashortcircuitedlineorloop.The

isolatorshouldbemountedinimmediatevicinityoffirecontrolpanelFS6000,atthebeginningofa

firealarmline(loop)andattheendofeachloop.6202-4isanintermediateunitandseparatesthe

loopintosegments.Inthiswaythevariableunitsñautomaticfiredetectors,manualcallpointsand

others,whicharenotintheshortcircuitedsegmentremainactiveandtheline(loop)protection

levelishigher.Whereisolatorsarenotincluded,incaseofashortcircuitthefirecontrolpanel

interruptsthepowersupplyoftheline(loop)andallunitsstopworking.

Asegmentisapartofaloopbetweentwoadjacentisolators.

Shortcircuitisolator6202-4issuppliedwithabuildinsurgeprotectorforeachofthefourfirealarm

lines.Thesurgeprotectorisprovidedforovervoltageprotection.





2.TECHNICALDATA

2.1.Operatingvoltage -24(+3.0,-5.0)VDC

Currentconsumptioninquiescentand

inalarmstateat26VDC-notmorethan100µA

2.3.Equivalentresistanceofisolatorinaline:

-inquiescentstate -<1Ω;

-inalarmstate->6.5kΩ.

2.4.Connectiontofirecontrolpanel-twowire,shielded



2.5.Surgeprotectortechnicaldata:

2.5.1.SurgecurrentIS8/20-20k¿

2.5.2.Responsetime-lessthan1ns

2.5.3.ProtectionlevelvoltageatIS8/20-45.7V

2.6.Protectionlevel-IP40

2.7.Operatingtemperaturerange-minus10°—toplus60°—

2.8.Temperaturelimits-minus40°—toplus70°—

2.9.Relativehumidityresistance -(92+3

-2)%at40°—

Dimensions-(162ı120ı72)mm

2.11.Weight-0,3kg



3.STRUCTUREANDFUNCTION

3.1.Structure

Shortcircuitisolatortype6202-4containsfourone-wayisolators,whichcorrespondwiththefour

lineoutputsofLinearModule6002ofFireControlPanelFS6000.

Theshortcircuitisolatorlayoutisseenonthefrontpageofthisleaflet.Theunitconsistsoftwomain

parts:abaseandacover.Thebasecomprisesaprintedcircuitboard,providedwithscrew

terminals.Fixthecovertothebaseusingfourscrews.

3.2.Function

Theshortcircuitisolatormonitorstheline(loop)resistanceatisolatorísoutputpoint.When

resistancevaluereaches20Ωthreshold,theisolatorswitchesovertoalarmstate.Thesurface

yellowLEDilluminatesandtheline(loop)powersupply(negativewire)isinterruptedatisolatorís

outputpoint.Whentheresistanceoftheisolatedlineorloopisrestoredtothenormallimits,the

isolatorautomaticallyswitchesovertoitsquiescentstate.TheLEDextinguishesandthepower

supplyisresumed.Isolatordiagramisnotsymmetricalinrelationtotheinputandoutputofthe

isolator.ConnecttheincomingwiresandtheterminalsinaccordancewithFig.1.

IncaseofalightingstriketheSurgeProtectorrestrictsthemaximumlinevoltagedownto

150/180V,andthemaximumvoltageoffirecontrolpanelterminalsñdownto46V.



4.PREPARINGTHEUNITFOROPERATION

Electricalconnection(Fig.1)



1234

ToFireControlPanel

Tofirealarmlines



Fig.1



Recommendedwirecross-section-0.5mm2to1mm2

—onnectiontofirecontrolpanel:

ìLn-îisconnectedtothecorrespondingnegativelineoftheLinearModule;

ìLn+îisconnectedtothecorrespondingpositivelineoftheLinearModule;

ìLnsîisconnectedtotheGNDterminalortothefirecontrolpanelcase(donot

connecttoOUTnsterminalsoftheLinearModule).

Connectiontoaline:

ìLn-îisconnectedtonegativefirealarmline;

ìLn+îisconnectedtopositivefirealarmline;

ìLnsîisconnectedtothefirealarmlineshield

(ìnîisforthelinenumber)

4.1.3.Isolatepartoftheshieldofeachwireusinganisolationband.



Importantnote:TogetthemostreliableperformanceoftheSurgeProtectormakea

secureelectricalconnectionofallshieldsintheterminalsandofallshieldstothefire

controlpanelcase.Thefirecontrolpanelcaseistobegroundedbyaseparatewire,cross

section1,5mm2.

Mounting.

Removethecoverandthecircuitboardfromthebase.

Makesuitableholesinthebaseforthewiresandforappropriatefixings.

Fixthebaseonthewallusingappropriatefixings.

Maketheelectricalconnectioninaccordancewith4.1.

Replacethecircuitboardonthebaseandfixwiththefourscrews.

4.3.Test

4.3.1Applypowertoeachisolator,consequiently,atterminalsìLn+îËìLn-î

(wheren=(1;2;3;4),tothefirecontrolpanelside)inthelimitsof19VDCto26VDCandoutput

resistancenotlessthan20Ω(asin4.1.).

4.3.2.TerminateeachisolatorbyaresistorR≤20Ω,inparalleltotheoutputterminalsìLn+îË

ìLn-î(n=1;2;3;4).

4.3.3.InactivestatetheyellowLEDilluminatesuntiltheshortcircuitstateiseliminated.



Note:Inrealconditionsitispermissibletotesteachisolatorbyterminatingthepositiveandthe

negativewireoftheline(loop).



UniPOS 6202-4 User manual

Brand: UniPOS

Model: 6202-4

Category: Fire protection

Type: User manual

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UniPOS 6202-4 User manual

UniPOS 6202-4 User manual

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