documentfnae1018090fff ? 05.2012fff? ?ffbenderfinc.fff? pagef1/1fff? sidef1/2 IR420-D4 installation bulletin / reference guide thisfdocumentfisfintendedfasfafreferencefguidefforfinstallingfandfusingfafbenderfIR420-D4fgroundf faultfdetector.ffthisfdocumentfincludesfinstallation,fsetup,fandfusagefinstructions.fforfcompletefde - tails,fincludingfinstallation,fsetup,fsettings,fandftroubleshooting,freferftofthefIR420-D4fuserfmanual,f documentfnumberftbp101012.fthisfdocumentfisfintendedfasfafsupplementfandfnotfafreplacementftof thefcompletefuserfmanual. onlyfqualifedfmaintenancefpersonnelfshallfoperateforfservicefthisfequipment.fthesefinstructionsf shouldfnotfbefviewedfasfsufcientfforfthosefwhofarefnotfotherwisefqualifedftofoperateforfservicefthisff equipment.fthisfdocumentfisfintendedftofprovidefaccuratefinformationfonly.fnofresponsibilityfisfas - sumedfbyfbenderfforfanyfconsequencesfarisingffromfusefoffthisfdocument. installation mounting IR420-D4fseriesfdevicesfmayfbefdinfrailfmounted,forfscrewfmountedfusingfthefblackfclipsflo - catedfonftheftopfandfbottomfoffthefdevice.fscrewfmountingfrequiresfanfextrafblackfclipf(articlef numberfb98060008,fsoldfseparately). ! danger ? disconnect all power before servicing. ? observe all local, state, and national codes, standards, and regulations. hazard of electric shock, explosion, or arc flash wiring - general thefIR420-D4fmonitorsfafsingle-phasefacfungroundedf system.freferftoffiguref1fforfwiringfdiagram.fusefmini - mumfawgf24,fmaximumfawgf12fsizefwire.freferftof IR420-D4fseriesfuserfmanualfforfcompleteftechnicalfde - tails. 1.f externalfsupplyfvoltage;f5affusef requiredfforfinternalfdevicefpro- tectionf(useftwoffusesfwhenfpow- eringfdevicefwithfungroundedf power) 2.f equipmentfgroundfconnections 3.f connectionsftofmonitoredfsystem 4.f alarmfrelayfk1:fspdtfcontact 5.f alarmfrelayfk2:fspdtfcontact 6.f connectionfforfoptionalfexternalf test/resetfinput figure 1 - IR420-D4 wiring diagram front panel display 1.f ledfonf(green):filluminatesfwhenf powerfisfappliedftofthefdevice.fflashesf whenfthefconnectionfalarmfisfactive. 2.f ledfal1f(yellow):filluminatesfwhenf thefprealarmfisfactivated.fflashesfwhenf thefconnectionfalarmfisfactive. 3.f ledfal2f(yellow):filluminatesfwhenf thefmainfalarmfisfactivated.fflashesf whenfctfconnectionfalarmfisfactive. 4.f lcdfdisplay 5.f testf/fupfbutton:factivatesfself-testf/f scrollsfupfinsidefmainfmenu. 6.f resetf/fdownfbutton:fresetsfdevicef/f scrollsfdownfinsidefmainfmenu. 7.f menuf/fenterfbutton:factivatesfmainf menuf/fconfirmsf(momuntaryfpush)forf goesfbackfafstepf(heldf>f1.5fs)finsidef mainfmenu. 1 2 3 4 5 6 7 dimensions dimensionsfinfinchesf(mm). figure 2 - IR420-D4 front display 1.42? (36) 2.78? (70.5) 1.87? (47.5) 1.22? (31.1) 2.66? (67.5) 1.77? (45) 3.54? (90) menu flow chart for common settings figuref4fthroughffgureffonfthefreversefsidefoffthisfdocumentfcontainffowfchartsfforfmodifyingf commonlyfusedffeaturesfandfsettingsfinfthefIR420-D4sfmainfmenu.fnotfallfavailableffeaturesf areflistedfinfthisfdocument.fforfmorefinformation,fconsultfthefIR420-D4fuserfmanual. r t menu legend menuf/fenterfbutton downfarrowfbutton upfarrowfbutton momuntaryfbuttonfpush f1.5fs wiring - contacts usingfafnormallyfclosedforfnormallyfopenfcontactfutilizesftwoffactors:fwiringfoutfoffthefproperf terminal,fandfsettingfthefrespectivefcontactftofnormallyfenergizedforfdeenergizedfoperation.f referftofthefchartfbelowfforfrelayfconditions.fforfchangingfthefenergizedfstatefoffthefcontact,f referftoffiguref6f-fcontactfoperationfonfthefreversefsidefoffthisfdocument. theffactoryfdefaultfforfrelaysfk1fandfk2fisfnormallyfdeenergizedfoperation. 1 2 4 5 3 6 normally energized mode (n/e) failsafe mode ?n/c? in device settings menu energized in the normal state relay will switch when the alarm is activated, or when supply voltage to the device is lost. power on, normal state (no alarms) power off power on, alarm state 11-12 open 11-14 closed 11-12 closed 11-14 open 11-12 closed 11-14 open 21-22 open 21-24 closed 21-22 closed 21-24 open 21-22 closed 21-24 open normally deenergized mode (n/d) non-failsafe mode ?n/o? in device settings menu energized in the alarm state relay will switch when the alarm is activated. power on, normal state (no alarms) power off power on, alarm state 11-12 closed 11-14 open 11-12 closed 11-14 open 11-12 open 11-14 closed 21-22 closed 21-24 open 21-22 closed 21-24 open 21-22 open 21-24 closed relay operation setting device alarm state k1 state k2 state device relay conditions t m bender inc. ? 800.356.4266 / 610.383.9200 ? info@bender.org ? www.bender.org
documentfnae1018090ff ? 05.2012fff? ?ffbenderfinc.fff? pagef1/1fff? sidef2/2 IR420-D4 installation bulletin / reference guide figure 5 - latching behavior (fault memory) changingfthisfsettingftofonfwillfcausefthefIR420-D4ftoflatchfinfthefeventfoffanfalarm,fandfre - quirefafmanualfresetfiffthefalarmfclears.fchangingfthisfsettingftofofffwillfcausefthefIR420-D4f tofautomaticallyfresetfiffthefalarmfclears. = flashing symbol t r > 1.5 sec p r ess onc e f ault m emor y on/off s elec t > 1.5 sec > 1.5 sec < 1.5 sec < 1.5 sec < 1.5 sec r 1) 2) 3) 4) 5) 6) 7) 8) 9) = flashing symbol t r f ailsaf e on/off s elec t > 1.5 sec p r ess onc e r p r ess onc e r > 1.5 sec > 1.5 sec < 1.5 sec < 1.5 sec < 1.5 sec 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) figure 6 - contact operation usefthisfoptionftofchangefthefbehaviorfoffthefcontactsfbetweenfnormallyfdeenergizedf(non- failsafe)fmodefandfnormallyfenergizedf(failsafe)fmode.ftheftwofspdtfcontactsfmayfbefchangedf individually.fnotefthatfthefIR420-D4flabelsfnormallyfdeenergizedfoperationfasfn/ofandfnor - mallyfenergizedfoperationfasfn/c;futilzingfafnormallyfopenforfnormallyfclosedfcontactfonlyf dependsfonfwhichfcontactfoutputfisfwired. = flashing symbol > 1.5 sec < 1.5 sec < 1.5 sec > 1.5 sec to quit x 2 prealarm value skip steps 4 through 6 if this will not change, otherwise: 1) 2) 3) 4) < 1.5 sec t r setpoint adjustment 5) 6) r 7) main alarm value follow steps 4 through 6 to adjust setpoint if desired 8) figure 4 - setting alarm trip values thefIR420-D4fmonitorsfforfgroundffaultsfbyfmeasuringfthefsystemsfinsulationfresistance.f alarmfvaluesfarefsetfinfk.fr2fisfthefmainfalarm.fafprealarmfvaluef(r1)fmayfalsofbefsetftofgivef advancedfnotifcation. technical data referftofIR420-D4fseriesfuserfmanualf(documentftbp101012)forfIR420-D4fseriesfdatasheetf (documentfnae1012090)fforfdetailedftechnicalfinformation. t m bender inc. ? 800.356.4266 / 610.383.9200 ? info@bender.org ? www.bender.org
|
