MODEL 2001B TYPE X PRESSURIZATION SYSTEM
PROCESS AUTOMATION
INSTALLATION AND OPERATION MANUAL
Model 2001B Installation and Operation Manual
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Table of Contents
Page 2 System Purpose and Description Purpose,Systemdescription,Importantnotes
Page 3 Identifying Your System Definesspecificfeaturesofthesystem
Page 3 General Information System&materialspecifications,Spareparts,Tools
&testequipment,Systemaccessories
Page 4 Enclosure and Device Design Designrequirements,Adjacentenclosures,Device
ventilation,Temperaturelimitations
Page 5 Installation Overview Installationdiagram
Page 6 Getting Started Establishingconnectionsizes,Determiningenclosure
inlet&outletconnectionlocations
Page 7 System Mounting LH,RH,TM,BM&WMconfigurations,FM&PM
configurations
Page 8 Hardware Mounting Optionalenclosureprotectionvent,Warning
nameplates
Page 9 Mounting Plate Dimensions Mountingplatedimensiondiagrams
Page 11 Pneumatic Tubing Requirements Protectivegassupplyrequirements,Pneumatic
connectionrequirements
Page 12 Tubing Connection Points LH,RH,TM,BM,WM,FM,&PMconfigurations
Page 13 Tubing Installation LH,RH,TM,BM,WM,FM&PMtubing
configurations
Page 14 Electrical Supply Requirements Generalwiringrequirements,EPCUpower&alarm
signal,Enclosurewiringmethods&connections
Page 15 Electrical Power Control Unit Generallayout&conduitconnectionpoints
Page 16 EPCU Power Rating Powerratingnameplate,Assembledelectronics
Page 17 Electrical & Pneumatic Diagrams LH,RH,TM,BM,WM,FM,&PMconfigurations
Page 18 Conduit Installation EPCUelectricalconduit,Optionalintrinsicsafety
BarrierconduitandEPCUconduitconnectionparts
Page 19 Power Modules & Wiring Diagram EPCU120/220VAC&24-48VDCpowermodules
Page 20 Logic Module & Barrier Wiring OptionalISBwiringrequirements&diagram,EPCU
powercontrolmodes
Page 21 Barriers & Field Adjustments ISBdescription&factoryprogramming,LEDdisplay
indicators,Timerfunctions&settings
Page 22 Set-Up Procedure Pressurizationset-up
Page 23 Operating Sequence ClassIIpressurizationoperation
Page 24 Troubleshooting Procedures
Page 25 Warranty and Liability Statements Warrantynotes,Generalterms,Limitations
Page 26 System Maintenance
Page 27 Systems Identification & Application Information
Purpose and Description
PurposePepperl+Fuchs'BebcoEPSSystemallowstheuseofgeneral-purposeornonratedelectricalorelectronicdevices,withexceptiontodevicesthatproduceexcessiveheat,utilizecombustiblegas,orexposearcingcontactstothehazardousatmosphere,inNEMA(NationalElectricalManufacturersAssociation)4or12enclosuresintheplaceofexplosionproofNEMA7enclosures.Otherpurposesincludeheat,moistureanddustcontaminationprevention.
DescriptionModel2001Bisanenclosurepressurizationsystemthatoperatesonasupplyofcompressedinstrumentairorinertgas.Itregulatesandmonitorspressurewithinsealed(protected)enclosures,topreventcombustibledustaccumulationwithintheenclosure(s).IntendedexclusivelyforClassIIareas,thesystemisdesignedtomaintaina“safe”(1.0")pressureononeormoreenclosuresnotexceedingatotalvolumeoffiftycubicfeet.Inaddition,thesystemincludesanelectricalpowercontrolunit(EPCU)thatmonitorssystemoperationandcontrolsenclosurepower.Theseprocessesreducethehazardous(classified)arearatingwithintheenclosure(s),inaccordancewiththeNEC-NFPA70,Article500,NFPA496andISA12.4
Important NotesOne(1)permanentfilecopyandone(1)operationscopyofthismanualmustbestudiedandretainedbytheoperatorofthissystem.User’sagentsareresponsiblefortransferringthismanualtotheuser,priortostart-up.
Thecontentsofthismanualhavebeenarrangedtoallowtheuseofthisproductasastand-alonedeviceonequipmentandenclosuressuppliedbytheuseroritsagents.Themanual’sparametersencompassacombinationofbothNationalFireProtectionAssociation(NFPA)requirementsandPepperl+Fuchs,Inc.requirements.Pepperl+FuchsthereforeacknowledgestheuseofNFPA496asaguideline,thatwehaveenhancedcertainNFPArequirementsandthatadditionalinformationhasbeencompiledtocompletethisdocument.Themanualisintendedasacompleteguideandmustbeconsidered,unlessspecificallystatedotherwise,thatalldirectivescontainedhereinarerequirementsforsafe,practicalandefficientuseofthisproduct.
Thissystemisnotintendedforusetoprotectenclosuresordevicesthatcontainignitableconcentrationsofgasesorvapors.Thisexclusiongenerallyappliestoprocessorproductanalyzingsystemsequipment.
All specifications are subject to change without notice.
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Identifying Your System
Thisenclosureprotectionsystemisofferedinvariousstyles.Forproperinstallationandoperation,examinethesystemmodelnumbernameplatetoidentifythesystemstyle,areaclassification,andtype,asnotedbelow.
General Information
System SpecificationsSystemdimensions: Seepages9&10Shippingweight(lbs.): 38Operatingtemp.range: -20°Fto+120°FSupplypressurerange: *5-120psimax.
Whenusingtheoptionalinlinefilter,max.supplypressureis80psiSupplyrequirements: CleanairorinertgasSafepressuresetpoint: 1.0"@safepressureSafepressureflowrate: **0.1-3.5SCFHSystemsupplyport: 3/8"tubefittingEnclosuresupplyfitting: 3/8"tubefittingEnclosurereferencefitting: 1/4"tubefittingEPCUconduitportsize: 1/2"FPTEPCUpowerrequirements: 120VAC60Hz1Ø(European240voltageonly) 240VAC50Hz1ØEPCUpowerconsumption: 500mAPowerrelaycontacts: 20Amps@240VAC 20Amps@28VDC [email protected]: 20Amps@240VAC [email protected]: 15Amps@240VAC 10Amps@28VDC
* WithEPV-3vent-120psimax.to5psiminimum WithoutEPV-3vent-5psimaximum
InordertocomplywiththeNFPA496standardrequiringprotectionagainstoverpressurizationoftheprotectedenclosure,theinstallermustinstalloneofthefollowingitemsinadditiontotheenclosureprotectionsystem.
a)InstallanEPV-3enclosureprotectionventontheprotectedenclosure.
b)Installatamper-proofregulatorupstreamoftheenclosureprotectionsystem'ssystemsupplyinlettopre-regulateprotectivegassupplyto5psimax.
**Enclosureintegritydeterminesactualflowrate
Material SpecificationsRegulatorbody: Zincw/enamelfinishRegulatorhandle: PolycarbonateEnclosurepressuregauge: Aluminumw/enamelfinishTubefittings: 316SSforgedbodyTubing: 316SS1/4".035weldedSystemnameplates: SilkscreenedLexan®&SSFastenerhardware: Stainlesssteelscrews&boltsMountingplate: 31614ga#3brushSSEPCUenclosurebody: Beadblastcastalum.Enclosurewarningnameplate: SilkscreenedSS
Lexan®isaregisteredtrademarkoftheGeneralElectricCorporation
Recommended Spare PartsQty Description Part#(supercedes)1 Enclosurepressureindicator 513235(001027)1 Enclosurepressurecontrolregulator 513236(002050)1 Safepressureswitch 510357(005205)1 Series2000logicmodule-Ver.2.0 510279(005000)1 Series2000VACpowermodule 510304(005020)1 Series2000VDCpowermodule 510305(005021)1 Installation&operationmanual 129-02091 Enclosurewarningnameplate-CII 513009(EWN-2)
Referencepartnumberaboveforcurrentsparepartspricing.Immediatepricingisavailabletoallconfirmedcustomers.
Installation Tools & Testing Equipment1/2"chuckdrill
Completesetofdrillbits
1/2"&1"conduitknockoutpunchor1.375"holesaw
Completesetoftubing,conduitbending,instrumentfittingandelectricalcraftsmanhandtools
0-250scfhflowmeter(connectedupstreamofprotectionsystemtodetermineairconsumptionandflowduringset-up)
2001B - STD - CII - NR - LH - ##
Series Model NumberSystem Style STD - Standard Area Classification CII - Class II, Group E, F & G AreaPower Control Mode NR - Normal Running CB - Conditional BypassMounting Configuration LH - left hand left side of enclosure RH - right hand right side of enclosure TM - top mount top of enclosure BM - bottom mount bottom of enclosure WM - wall mount wall surface FM* - frame mount external frame or rack PM* - panel mount enclosure surface cutout * FM & PM configurations feature flush mount EPCU.
## - Additional factory installed accessories
Confidential according to ISO 16016
sheet
respons.
approved
norm 1 of 1
scale: 1:1
Label for Model 2001[A or B or C]-STD-CII Type X
date: 2002-Dec-15Only valid as long as released in EDM or with a valid production documentation!
Twinsburg
2001A CII X UL ID NP SS2001B CII X UL ID NP SS2001C CII X UL ID NP SS
125-0786Bchange notice.
Dieses Dokument enthält sicherheitsrelevante Angaben. Es darf nicht ohne Absprache mit dem Normenfachmann geändert werden!
This document contains safety-relevant information. It must not be altered without the authorization of the norm expert!
TECHNICAL INFORMATION:
POLYCARB 0.01”MUST BE UL/CSA APPROVED
BLACK COPY ON WHITE BACKGROUNDFULL INFORMATION PERTAINING TO PRINT FONTS,DIMENSIONS AND COLOR SCHEMES ARE CONTAINED INTHIS COREL DRAW (.CDR) FILENAME UNDER DRAWINGNUMBER 125-0786B
LABEL MATERIAL:
ADHESIVE:
COLOR:
NOTE:
US.JMB
US.SSJ
US.AAS150-0691
2.50
1.50
SCALE = 1XAll dimensions are in inches.All outside corners R=0.13
Tolerances: 2-place dec. +/- .01
APPROVED BY FM APPROVALS AS ASSOCIATED TYPE X PRESSURIZATION CONTROL
EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS. REDUCES THE INTERNAL AREA
OF A CONNECTED ENCLOSURE IN ACCORDANCE WITH DRAWING NUMBER MCL 2001A.
APPROVED BY FM APPROVALS AS ASSOCIATED TYPE X PRESSURIZATION CONTROL
EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS. REDUCES THE INTERNAL AREA
OF A CONNECTED ENCLOSURE IN ACCORDANCE WITH DRAWING NUMBER MCL 2001B.
APPROVED BY FM APPROVALS AS ASSOCIATED TYPE X PRESSURIZATION CONTROL
EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS. REDUCES THE INTERNAL AREA
OF A CONNECTED ENCLOSURE IN ACCORDANCE WITH DRAWING NUMBER MCL 2001C.
10 CUBIC FEET MAXIMUM ENCLOSURE VOLUME
CLASS II, DIVISION 1, GROUPS E, F & G TO NONHAZARDOUS
50 CUBIC FEET MAXIMUM ENCLOSURE VOLUME
CLASS II, DIVISION 1, GROUPS E, F & G TO NONHAZARDOUS
250 CUBIC FEET MAXIMUM ENCLOSURE VOLUME
CLASS II, DIVISION 1, GROUPS E, F & G TO NONHAZARDOUS
PURGE CONTROL FOR USE IN HAZARDOUS LOCATIONS. CLASSIFIED BY UNDERWRITERS
LABORATORIES INC. ® IN ACCORDANCE WITH THE NATIONAL FIRE PROTECTION ASSOCIATION
STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
PURGE CONTROL FOR USE IN HAZARDOUS LOCATIONS. CLASSIFIED BY UNDERWRITERS
LABORATORIES INC. ® IN ACCORDANCE WITH THE NATIONAL FIRE PROTECTION ASSOCIATION
STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
PURGE CONTROL FOR USE IN HAZARDOUS LOCATIONS. CLASSIFIED BY UNDERWRITERS
LABORATORIES INC. ® IN ACCORDANCE WITH THE NATIONAL FIRE PROTECTION ASSOCIATION
STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
NFPA 496-1996
4S11
NFPA 496-1996
4S11
NFPA 496-1996
4S11
T3C T3C
T3C
Model 2001A-STD-CII Type X Model 2001B-STD-CII Type X
Model 2001C-STD-CII Type X
C
LASSIFIED
®
C
LASSIFIED
®
C
LASSIFIED
®
LABEL P/N: 510953 LABEL P/N: 510955
LABEL P/N: 510957
Released EDM checkout 2008-JUL-17
Model 2001B Installation and Operation Manual
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Model 2001B System AccessoriesOptional Enclosure Protection VentsEPV-3-SA-00 Straightw/sparkarrestorEPV-3-SA-90 Rtanglew/sparkarrestor
Additional ItemsSMK-2,-3or-10 SystemmountingkitRAH Div.1remotealarmhornRAB-1 Div.1remotealarmbeaconRAB-2 Div.2remotealarmbeaconLCK LfittingconduitkitTCK TfittingconduitkitTR-10G Tamperproofregulatorw/gaugeSRM-4000 SwitchresistormoduleNJ... P+FNAMURsensorEFC-4 1/4"flushconnectorEFC-6 3/8"flushconnectorEBC-6 3/8"bulkheadconnectorEPC-13 1"pipeconnectorIS1 ChannelAbarrierIS2 ChannelBbarrierIS3 ChannelCbarrierRP1 RedundantsafepressureswitchL Powerswitchkeylockassembly
Enclosure & Device Design
Enclosure Design Requirements1. Allwindowsmustbeshatterproofandsizedassmallas
possible.
2. AllNFPA496requiredmarkingsmustbeplacedonornearallenclosuredoorsandcovers.
3. Theenclosuremustwithstandaninternalpressureoffive(5)inchesofwaterwithoutsustainingpermanentdeformationandresistallcorrosiveelementsinthesurroundingatmosphere.
4. Alllightweightobjectsintheenclosure,suchaspaperorinsulation,mustbefirmlysecured.
5. TheenclosureshouldbeconstructedfrommaterialssuchasmetalornonstaticpolycarbonatetomeetorexceedNEMA4or12performancerequirements,butdoesnotrequirethirdpartyapproval.
6. Theinstallationofobstructionsorotherbarriersthatblockorimpedetheflowofprotectivegasmustbeavoided.
7. Thecreationofairpocketsorotherareasthattrapflammablegaseswithintheenclosureordevicesmustbeavoided.
8. Theenclosureshouldbelocatedinanareawhereimpacthazardsareminimal.
9. Iftheenclosureisnonmetallicandcontainsequipmentthatutilizesorswitchespowerloadsgreaterthan2500VA,itmustbeconstructedfromsubstantiallynoncombustiblematerials,suchasmaterialsdesignedtomeetorexceedANSI/UL94ratingsof94V-0or945V.
Adjacent Enclosures1. Adjacentenclosuresmustbeprotectedbyoneofthe
followingmeans:
a) purgedorpressurizedinserieswiththeprotectedenclosure
b) purgedorpressurizedseparately
c) protectedbyothermeans;e.g.,explosionproofenclosures,hermeticallysealeddevicesorintrinsicsafecircuits
2. Adjacentpurgedorpressurizedenclosuresmustbedesignedtomeetallconstructionrequirementsabove.
Total Volume Calculation1. Thetotalvolumeofallpressurizedenclosures,devicesand
wirewaysmustbeconsidered.
2. Allenclosure,device,andwirewayvolumesmustbecalculatedwithoutconsiderationofinternallyconsumedspace.
Device Ventilation1. Encloseddeviceswithintheprotectedenclosurewhichdo
notexceed1.22in3offreevolumedonotrequireventilationtotheprotectedenclosure.
2. Ifthefreevolumeofaninternaldeviceexceeds1.22in3itmustbeprotectedbyoneofthefollowingmeans:
a) ventilatedonthetopandbottomsideswith1in2ofopeningforeach400in3ofvolumewithintheinternalprotectedenclosure,ataminimumdiameterof1/4"
b) purgedinserieswiththeprotectedenclosureorbepurgedseparatelyor
c) protectedbyothermeans;e.g.,explosionproofenclosures,hermeticallysealeddevices,orintrinsicsafecircuits.
Temperature Limitations1. Theenclosuremusthavenosurfaceareathatexceeds80
percentoftheflammableorignitablesubstance’sauto-ignitiontemperature.
2. Internaldevicesthatexceedthistemperaturemustbeprotectedbyoneofthefollowingmanners:
a) ThedeviceisenclosedinachamberthatisCULUSorFMlistedasahermeticallysealeddevicethatprohibitstheentranceofaflammableorignitablesubstance,andmaintainsasurfacetemperaturebelowtemperaturelimits.
b) Itcanbeprovenbytestingthatthedeviceswillnotignitethesubstanceinvolved.
c) ThedeviceispurgedinaseparateenclosurethatbearsanETW(enclosuretemperaturewarningnameplate).Devicesmaybeaccessedonlyafterpowerhasbeenremovedandthedevicehasbeenallowedtocooltosafetemperature,ortheareaispositivelyknowntobenonhazardous.
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Model 2002-STD-CI-LH Shown
Installation Overview
ENCLOSURE PROTECTION
VENT
PROTECTED ENCLOSURE
ENCLOSURE SUPPLY TUBING
ENCLOSURE REFERENCE
TUBING
ENCLOSURE CONNECTION
FITTINGS
ENCLOSURE WARNING
NAMEPLATE
ENCLOSURE PROTECTION
SYSTEM
SYSTEM SUPPLY TUBING
EPCU BREATHER DRAIN FITTING
EPCU POWER & ALARM SIGNAL WIRING CONDUIT & SEAL
PROTECTIVE GAS SUPPLY
SERVICE VALVE
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Getting Started
Typical Single Protected Enclosure Connections
HELPFUL HINTSToensureadequateprotectivegasflowtotheprotectedenclosure(s),allpipingandtubingmustbefullyreamed.
Precautionsmustbetakentopreventcrimpingandotherdamagetoprotectivegaspipingandtubing.
Whenprotectingmultipleenclosureswithasingleenclosureprotectionsystem,theenclosuresmustbeconnectedinseriesfromthesmallesttothelargesttoensureadequateprotectivegasflow.
PROTECTED ENCLOSURE
C
B
ENCLOSURE PROTECTION VENT(Optional)
E
SUPPLY
REFERENCE
1/2" PROTECTIVE GAS SUPPLY
HEADER
ENCLOSURE PROTECTION
SYSTEM
Maximum tubing / pipe length and maximum number of bends / elbows
3/8"O.D.tubingfullyreamed
20feet10bends
3/8"O.D.tubingfullyreamed
Description
*Tubing or pipe diameter
Enclosure supply
System supply tubing
Enclosure reference
1/4"O.D.tubingfullyreamed
5feet5bends
20feet10bends
Multi - enclosure connections
1"I.D.pipefullyreamed
10feet5elbows
Optional remote venting
1"I.D.pipefullyreamed
30feet5elbows
A B EDC
ENCLOSURE PROTECTION
SYSTEM
PROTECTED ENCLOSURE
PROTECTED ENCLOSURE
D
SUPPLY
REFERENCE
B
TYPICAL MULTIPLE PROTECTED ENCLOSURE CONNECTIONS
1/2" PROTECTIVE GAS SUPPLY
HEADER
A
A
D
C
PROTECTED ENCLOSURE
*NOTE:Tubeandpipesizesaretradesizesandarenotequalininsidediameter.DONOTsubstitutetubeforpipewithsametradesize.
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
System Mounting
IMPORTANT NOTESThe system should be mounted at EYE LEVEL.
Care must be taken to ensure the system and all protruding components are clear of all enclosure accesses (doors and covers) and conduit, pipe, tubing or cable entries.
LH, RH, TM, BM and WM configurations are intended for mounting adjacent to the protected enclosure.
LH, RH, TM & BM configurations are also suitable for 2" schedule 40 pipe mounting.
Determine the mounting configuration of your system using the diagrams on pages 9 & 10.
Remove and save the manila envelope (containing the enclosure warning nameplate) which may be taped to the outer surface of the mounting flange.
Although all systems are factory tested and calibrated, we strongly suggest a bench test of basic functions prior to installation.
Mounting LH, RH, TM, BM & WM Configurations1.TransferholepatternofSystemmountingplatetointended
surface.
2. Checkforobstructionshinderingboltfastening,drillandreamthemountingholesbeforemountingthesystem.
3. Securethesystemtotheenclosure,orothermountingsurface,usingone(1)SMK-3orequivalent-six(6)3/8"x3/4"stainlesssteelbolts,nutsandlockwashers.
*WMrequiresone(1)SMK-2orequivalent-four(4)3/8"x3/4"stainlesssteelbolts,nutsandlockwashers.
Mounting FM & PM Configurations
1. Transferpanelcutoutpatterntotheintendedsurface.
2. Checkforobstructionsthatcouldprohibitboltfasteningorsystempneumaticandelectricalconnections.
3. Cutpanelcutoutpatternontheintendedsurface.
4. Deburrallcutoutsurfaces.
5. SecuresystemtoenclosureusingSMK-10,orequivalent-ten(10)1/4"x3/4"stainlesssteelnuts,bolts,mountingclipsandlockwashers.
HELPFUL HINTSFMandPMconfigurationsaredesignedtomountthroughapanelcutoutone(1)inchsmallerthantheoverallheightandwidthofthesystemmountingplate,usingclipsandfastenersprovidedwithSMK-10.Thisdesignfeatureeliminatestheneedtodrillthesystemmountingboltholesintheprotectedenclosure.
FMconfigurationsareintendedformountingadjacenttotheprotectedenclosure.
PMconfigurationsareintendedformountingthroughacutoutintheprotectedenclosuresurface.
Typical Surface Mounted System(Model 1002-LPS-LH Type Z shown)
Typical Pipe Mounted System(Model 1002-LPS-LH Type Z shown)
Typical Panel/Frame Mounted System(Model 1002-LPS-PM Type Z shown)
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Hardware Mounting
Optional Enclosure Protection VentAllconfigurationsmustbemountedinatrueverticalposition.
Theventmustbelocatedtoprovideaccessforroutinetestingofthevent’sflapperassembly.Aminimum8"clearanceisrequiredbelowtheventopening.
1. Determinethevent’smountingconfiguration,i.e.,-00verticalmountor-90sidemount.Seephotosbelow.
2.Determineventlocationandlayoutventmountingholeontheprotectedenclosure(asdeterminedonpage6,“GettingStarted”).
3. Usinga1.375"holesawor1"conduitpunch,drillanddeburrtheenclosureprotectionventmountinghole.
4. Removethehubmountingnutfromtheventhubandplacethehub,withO-ringintact,throughthemountinghole.TheO-ringmustbeontheoutsideoftheprotectedenclosure.
5. Reinstallthehubmountingnuttothemountinghubfrominsidetheprotectedenclosureandtighten.
Warning Nameplate(s)AnEWN(EnclosureWarningNameplate)mustbelocatedinaprominentpositiononornearallenclosureaccesses(doorsandcovers).
One(1)EWNisprovidedwitheachsystem,locatedinthemanilaenvelopetapedtothemountingflangeofthesystem.AdditionalEWNsareavailablefromPepperl+Fuchs.
AllEWNsprovidelabeledspacesallowingthecustomertomarktheprotectedenclosurewith:1)aTCode(temperatureidentificationnumber),2)Class,GroupandDivisionofsurroundingarea,and3)NFPApressurizationTypeX,YorZ,asmayberequiredbyplantandlocalcodesandisrequiredbyNFPA496.
AnETW(EnclosureTemperatureWarningnameplate)mustbelocatedinaprominentpositiononornearallenclosureaccesses(doorsandcovers)whenthetemperatureofaninternalcomponentexceeds80percentoftheignitiontemperatureoftheflammablevapor,gasordustinvolved.
AnETWwarnstheoperatortodeenergizeallequipmentforaspecifiedlengthoftime,allowingtheprotectedequipmenttocoolbeforeopeningtheprotectedenclosure.Thelengthoftimerequiredisdeterminedbythecustomerandcanbefactoryorfieldengraved.
AllEWNsandETWsarefurnishedwithanadhesiveback,butshouldalsoberivetedorscrewedtotheprotectedenclosure.
Enclosure temperature warning nameplate
Enclosure warning nameplate - Class II
Enclosure warning nameplate - Class I
EPV - 3 - SA - 00Vertical Mount
EPV - 3 - SA - 90Side Mount
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Mounting Plate Dimensions
11"
20"
4.25"
19.312"
10.75"
.6875"
3.375"
9.5"
.375" O.D.TYP. 6
.625"
2001B-STD-RH(Right hand configuration)
4.25"
18"
10.75"
.6875"
3.375"
10"
.375" O.D.TYP. 6
.625"
11"
20"
2001B-STD-LH(Left hand configuration)
10.5"
20.75"
4.25"
19.25"
10.75"
10.375"
.68
75
"
.375" O.D.TYP. 6
3.5
62
5"
2001B-STD-TM(Top mount configuration)
10.5"
20.75"
4.25"
20.0625"
10.75"
11.25"
.68
75
"
.375" O.D.TYP. 6
3.5
62
5"
2001B-STD-BM(Bottom mount configuration)
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Mounting Plate Dimensions (continued)
18"
6"
12.5"
20"
11"
2001B-STD-WM(Wall mount configuration)
9"
2" 1"
.375" O.D.TYP. 4
TYPICAL -WMMOUNTING FLANGE
2001B-STD-FM & 2001B-STD-PM(Frame & panel mount configuration)
12"Panel Cutout
Panel Cutout21"
.25" O.D.TYP. 10
22"
13"
1.25"
10.25"
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Pneumatic Tubing Requirements
Protective Gas Supply RequirementsTheprotectivegassupplytotheprotectionsystemmustbeaclean,instrumentqualitycompressedairornitrogenandmustcontainnomorethantraceamountsofflammablegas,vaporordust.
Theprotectivegassupplycompressorintakemustoriginateinanonhazardouslocation.Suctionductpassingthroughahazardouslocationandtheprotectionsystemtubingandpipingmustbefabricatedfromnoncombustiblematerialssuitableforprevailinghazardsandenvironmentalconditions.
Theprotectivegassupplymustoriginatefromadedicatedinstrumentqualitycompressedairheader(1/2"pipeorlarger),nofartherthantwenty(20)feetfromtheprotectionsystem.LocalcompressorsandgascylindersshouldnotbeusedbeforeconsultingwithPepperl+Fuchs.
Theprotectivegassupplytotheprotectionsystemmustbeequippedwithatamper-proofregulatorsetat5psimaximum.
Exception:Iftheprotectedenclosure(s)isequippedwithanEPV-3EnclosureProtectionVent,theprotectivegassupplytotheprotectionsystemmustnotexceed120psimaximum,5psiminimum.(Seepage3,"SystemSpecifications"foradditionalinformationconcerningprotectivegassupplyrequirements.)
Pneumatic Connection RequirementsALLFITTINGSMAYBECUSTOMERORFACTORYFURNISHED
1. Forsystemsupply,one(1)SC-63/8"malestraightconnectororone(1)NC-63/8"maleelbowconnectororequivalentfittingpersystem.
NOTE:Abovefittingisrequiredonlyifprotectionsystemisfurnishedwithanoptionalin-linefilterkit(modelILFK)accessory.
One(1)similarfittingwhichwillconnecttheinertgassupplytubingtotheinertgassupplyheaderconnectionpointandone(1)lotof3/8"O.D.,.035"wallthickness,weldedorseamlessstainlesssteeltubing.
2. Forenclosuresupply,one(1)EFC-63/8"flushconnector,orone(1)EBC-63/8"feed-throughconnectororequivalentfittingpersystem.
3.Forenclosurereference,one(1)EFC-41/4"flushconnector,orone(1)EBC-41/4"feed-throughconnectororequivalentfittingpersystem.
4.One(1)lotof1/4"&3/8"O.D.,.035"wallthickness,weldedorseamlessstainlesssteeltubing.
5.Formultipleenclosureconnections,two(2)EPC-131"pipemountinghubsorequivalentand1"150#ratedpipecouplings&unionsperinterconnection.
One(1)lot150#rating1/2"galvanizedoraluminumpipeandfittings,fullyreamedandunrestricted.
PM Pneumatic Connection RequirementsInadditiontoitemnumbers1,4,and5above,thefollowingfittingsarerequiredforallPMconfigurations.
1. ForsystemsupplyonPMconfigurations,one(1)additionalEBC-6orequivalent3/8"throughbulkheadfittingpersystemisrequired.
2. Foratmosphericreference,one(1)PRB-4orequivalent1/4"femalebulkheadfittingandstainlesssteelsinteredelementisrequired.
SC-6 NC-6
EBC-4 & EBC-6EFC-4 & EFC-6
EPC-13
ENCLOSURE SUPPLY & REFERENCE FITTINGS
SYSTEM SUPPLY FITTINGS
MULTIPLE ENCLOSURE CONNECTION FITTING
PRB-4
SYSTEM ATMOSPHERIC REFERENCE FITTING
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Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Enclosurepressuregauge
Atmospheric reference
inlet
Electricalpowercontrol
unit
Flamearrestors
Mountingplate
System supply inlet
Enclosurepressurecontrol
regulator
Enclosure supply outlet
Tubing Connection Points
LH, RH, TM, BM, WM & FM Configuration Connection Points
PM Configuration Connection Points
Enclosurepressuregauge
Enclosurereference
inlet
Flamearrestor
Venturiorifice
Mountingplate
System supply inlet
Enclosurepressurecontrol
regulator
Enclosure supply outlet
HELPFUL HINTPneumaticconnectionsarebolded.
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USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Tubing Installation
Tubing LH, RH, TM, BM, WM & FM ConfigurationsSystem supply connections
1. Selectorinstallaprotectivegassupplyheadertap,fittedwiththepropertubesizefittingandlocatedwithintwenty(20)feetoftheenclosureprotectionsystem.
2. Ifaservicevalveisplacedbetweentheprotectivegassupplyheaderandtheenclosureprotectionsystem,itmustbeinstalledincloseproximityoftheprotectedenclosureandbelabeledinaccordancewithNFPA496.
3. Selecttheappropriatefittingsrequiredtoconnecttheprotectivegassupplytotheprotectionsystemregulatorasdeterminedonpage11,“PneumaticTubingRequirements”.
4. Determineappropriatetubingroutefromtheprotectivegassupplyheadertotheprotectionsystemregulator.
5. Bendtubingusingindustrialgradebenders,checktubingfittoensureproperseatingbetweenthetubingandfittings.Fullyreamalltubingends.
6. Installtubingandtightenallfittingstofittingmanufacturer’sspecifications.Securetubingtoappropriatestructuralsupportsasrequired.
Enclosure supply & reference connections
1.Chooselocationfortheenclosuresupplyconnection(s)basedontherequirementsonpage6,“GettingStarted.”
2. Placetheenclosurereferenceconnectionfittingdirectlybehindtheenclosureprotectionsystemwheneverpossible.Forsystemsprotectingmultipleenclosuresinseries,theenclosurereferenceconnectionfittingmustbeplacedonthelastenclosureintheseries.Seepage6,“GettingStarted.”
3. Drillanddeburrenclosuresupplyandreferencefittingholesontheprotectedenclosure.Mountthefittings.
4. Determineappropriateroutefortheenclosuresupplyandreferencetubing.
5. Bendtubingusingindustrialgradebenders,checktubingfittoensureproperseatingbetweenthetubingandfittings.Fullyreamalltubingends.
6. Installtubingandtightenallfittingstofittingmanufacturer’sspecifications.Securetubingtoappropriatestructuralsupportsasrequired.
Tubing PM ConfigurationsEnclosure bulkhead fittings
1. Selectthefittingsrequiredtoinstallthesystemsupply,systemsupplybulkheadFittingandatmosphericreferencebulkheadfitting.Seepage11,“PneumaticTubingRequirements.”
2.Chooselocationforthesystemsupplybulkheadfitting.Thisfittingallowstheprotectivegassupplytopassthroughthewallofaprotectedenclosuretotheprotectionsystem’sregulatorsupplyinletconnection.
3. Chooselocationfortheatmosphericreferencebulkheadfitting.Thisfittingallowstheenclosurepressuregaugetoreferenceatmosphericpressure.
4. Drillanddeburrsystemsupplyandreferencebulkheadfittingholesintheprotectedenclosure.Mountthefittings.
System supply & reference connections
1. Selectorinstallaprotectivegassupplyheadertap,fittedwiththepropertubesizefittingandlocatedwithintwenty(20)feetoftheenclosureprotectionsystem.
2. Ifaservicevalveisplacedbetweentheprotectivegassupplyheaderandtheprotectionsystem,itmustbeincloseproximityoftheprotectedenclosureandlabeledinaccordancewithNFPA496.
3. Determineappropriatetubingroutefromtheprotectivegassupplyheadertothesystemsupplybulkheadfitting.
4. Determineappropriatetubingroutefromthesystemsupplybulkheadfittingtotheprotectionsystemregulator.
5. Determineappropriatetubingroutefromtheatmosphericreferencebulkheadfittingtotheenclosurepressuregauge’sreferenceinletconnection.
6. Bendtubingusingindustrialgradebenders,checktubingfittoensureproperseatingbetweenthetubingandfittings.Fullyreamalltubingends.
7. Installtubingandtightenallfittingstofittingmanufacturer’sspecifications.Securetubingasrequired.
HELPFUL HINTSAllworkmustbeperformedbytechniciansqualifiedinpneumatictubingandelectricalconduitinstallation.
Pepperl+Fuchsrecommendstheuseof.035"wallthickness,weldedorseamlessstainlesssteeltubing.
Ifflexibletubingisused,itmustbeinstalledinamannerthatprotectsitfromdamageandcorrosion.
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USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Electrical Supply Requirements
General Wiring RequirementsWARNING!This device contains electrical parts which can cause shock or injury.
Allelectricalconnections,conduitandfittingsontheprotectedenclosuremustbesuitableforthehazardouslocationinwhichtheyareinstalled.Inaddition,allconduitandwiremustbeinstalledinaccordancewithNECasrequiredandallrelevantplantandlocalcodes.
Conduitsealsmustbeutilizedonallelectricalconduitconnectionsandpouredwithanapprovedcompoundpriortooperationoftheprotectionsystem.
Exception:Donotusesealsonconduitusedasaprotected“wireway”tosupplyprotectivegastoadjacentprotectedenclosures.Thesameconduitcanbeutilizedforbothelectricalandpneumaticservicetoanadjacentprotectedenclosure(s),providedtheconduitisoversizedtoallowaminimumfreeclearanceequaltoorlargerthanthepipesizerequiredbetweenmultipleenclosuresasstatedonpage6,“GettingStarted.”
EPCU Power RequirementsTheelectricalpowercontrolunit's(EPCU)electricalpowersourcemustoriginatefromacircuitbreakerorfuseddisconnectsuitableforthehazardouslocationinwhichitisinstalled.Thepowersourceshouldbeuninterruptedandtheswitchmustbelocatedwithinfifty(50)feetoftheprotectedenclosure(s)andtheenclosureprotectionsystemandbeproperlymarked.ForEPCUpowerspecificationsseepage3,"System'sSpecifications."
Alarm Signal RequirementsPepperl+FuchsstronglyrecommendsuseoftheoptionalalarmsystemcontactsoftheEPCU,connectedtoanalarmsystemlocatedinaconstantlyattendedlocationtoindicatethefailureoftheenclosureprotectionsystem.ForEPCUalarmsignalspecificationsseepage3,"System'sSpecifications."
Typical Enclosure Wiring MethodsProtectedenclosuresmustbewiredsimilartoexplosionproofenclosures,inaccordancewithArticle500oftheNationalElectricCode-NFPA70.
Singleconductorwiringmustbeplacedinrigidmetalconduit,seal-flexconduit,orothermediumsapprovedforuseinthehazardouslocationsurroundingtheprotectedenclosure.Additionally,NFPA496requiresapprovedconduitsealsonallpressurizedenclosureconduitwiringentries,inaccordancewithNFPA70.Furthermore,theuseofanapprovedconduitsealissimplythemostpracticalwaytopreventexcessiveleakagethroughconduitconnections.
However,whileexplosion-proofenclosuresrequireconduitsealsonallcableentries,inaccordancewithNFPA70,othermethodsofsealedcableentriesthataresuitableforhazardouslocationscanbeused,suchascompressionglands.
Inconclusion,therearetwoprimarygoals.First,theinstallershouldensurethatallassociatedwiringandcableisprotectedbypressurizationorothermeans,suchasexplosion-proofconduitorintrinsicsafetybarriers.Secondly,theinstallermustensurethatallassociatedconduitandwirewaysaresealedtoconserveprotectivegas,unlesstheyareusedtosupplyprotectivegastootherenclosuresordevices.
Typical Enclosure Wiring Connections
Explosionproofdevice
Seal
Intrinsicallysafeorfiberopticdevice
Adjacentpressurized
device
Independentlypressurized
device
Intrinsicallysafeorfiberopticdevice
Seal
Conduit
Conduit
Conduit
Glandfitting
Cable
Seal
Pressurizedraceway
Protectedenclosureordevice
HELPFUL HINTPepperl+Fuchsrecognizesitmaybeimpracticaltopourallelectricalconduitsealspriortoinstallationinthefield.However,allconduitconnectionsmustbesealedforpropertestingandoperationoftheenclosureprotectionsystem.Therefore,Pepperl+Fuchsrecommendstheuseoftemporarysealssuchasductsealormaskingtapeforbenchorshoptesting,priortofinalfieldinstallation.
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Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Electrical Power Control Unit
IMPORTANT NOTESFor proper moisture drainage of the Type 7 enclosure, the installer must 1) move the Type 7 breather drain to one of the bottom conduit entrances or 2) use drain seals on all conduit connected to the bottom two conduit entrances.
The Type 7 breather drain is not provided or required with PM configurations.
Top two conduit entrances will be dedicated for Intrinsic Safe wiring ONLY when the EPCU is supplied with Pepperl+Fuchs' optional ISB intrinsic safety barriers.
General Layout & Electrical Conduit Connections
EPCU LED Displays
Powermodeselectorswitch
Type7explosionproof
screwcover
Type7explosionproof
enclosure
Powermodeselectorswitch
(optionalmountinghole-factoryuseonly-)
1/2"NPTconduitconnectionports
typical6(seeimportantnotes
below)
LEDdisplay
Type7explosionproofbreatherdrain(seeimportantnotesbelow)
EPCUelectricalratingnameplate
ClassII-AlarmOnly ClassII-Alarm&Bypass
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Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
EPCU Power Rating
EPCU Electrical Power Rating Nameplate
Assembled EPCU Electronics Module
TheEPCU(ElectricalPowerControlUnit)ofthisType"X"purgingsystemisofferedinvariousstyles.Forproperinstallationandoperation,beginbyexaminingtheEPCUelectricalratingnameplatetoidentifythesysteminputvoltageandpowerrequirements,enclosurepowerandalarmcontactratingsandthirdpartyapprovalmarkings.Next,matchtheLEDdisplayofyourEPCUwithoneofthedisplaysshownonpage15.TheEPCULEDDisplaywillhelpidentifytheoptionsfeaturedonyoursysteme.g.,normalrunningmodeorconditionalbypass.
MODEL 2000 ELECTRICAL POWER CONTROL UNITCAUTION: OPEN CIRCUIT BEFORE REMOVING COVER
ATTENTION: OUVRIR LE CIRCUIT AVANT D'ENLEVER LE COUVERCLE
SERIAL NO. INPUT VOLTAGE & POWER REQUIREMENTS
CSA Encl. 3CLASS I, DIV. 1, Gr C&DCLASS II, DIV. 1, Gr E, F, G HASUL & FM APPROVALS ONLY
ENCL POWER & ALARM CONTACTS ARE RATED 120/240 VAC, 20 AMPS
120 SINGLE PHASE, 60 CYCLE, 1 AMP240 SINGLE PHASE, 50 CYCLE, 1 AMP
XXXXXX
EPCU INPUT POWER REQUIREMENTS
Factorysetattimeoforder
AREA CLASSIFICATION
DefinestheareaclassificationsforwhichtheEPCUissuitablefor
operation
REQUIRED WARNING STATEMENTS
EPCU SERIALNUMBER
Logic module
120/240 VAC Power module
Power module cable
Pressure switch module
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Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Electrical & Pneumatic Diagrams
LH, RH, TM, BM, WM & FM Configurations
PM Configurations
Optionalenclosureprotectionvent
Electricalpowercontrolunit
Enclosurepressuregauge
Systemsupply
Breatherdrain
Enclosuresupplytubing
Sinteredvent
Enclosurereference
tubing
Enclosurepressurecontrolregulator
Systemsupplytubing Enclosuresupply
bulkheadfitting
Enclosurereferencebulkheadfitting
Electricalpowersupplyconduit
hubConduitsealUnionConduitseal Union
Protectedenclosure
Venturiorifice
Systemsupply
Atmosphericpressurereferencebulkhead
fitting
Systemsupplybulkheadfitting
Inlet
Conduitseal Union Conduitseal
Optionalenclosureprotectionvent
Electricalpowersupplyconduit
hub
Enclosurepressurecontrolregulator
Electricalpowercontrolunit
Atmosphericreference
tubing
Systemsupplytubing
Electricalpowerconduit
Enclosurepressuregauge
UnionElectricalpowertoenclosure
Enclosurepressurereference
Enclosurepressurereference
Protectedenclosure
Enclosuresupply
discharge
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USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Conduit Installation
EPCU Electrical ConduitUnplugthefourunlabeledconduitentranceslocatedonthesidesandbottomoftheEPCUenclosure(Seepage15,"EPCULayout"forconduitentrancelayout).
TheinstallermustmounttheType7drainfittingsuppliedwiththesystem(exceptforPMconfigurations)inoneofthebottomconduitentrancesoftheEPCU,orutilizedrainsealsonallconduitconnectedtothebottomtwo(2)conduitentrancesoftheEPCU.
Followingtheinstructionslistedbelow,installallconduit,fittingsandseals(ordrainsealsifutilized)betweentheEPCU,alarmsystem(ifutilized)andtheprotectedenclosure(s).PlugallremainingEPCUconduitentrances.
1.Choosethelocationfortheenclosure’selectricalconduitconnection(s)basedontherequirementsonpage14,“ElectricalSupplyRequirements”.
2. Drillanddeburrenclosureconduitfittingholesintheprotectedenclosure.Mountthefittings.
3. Determineappropriateroutefortheenclosureelectricalenclosureandalarmsignalconduit.
4. Measure,cutandthreadconduit,checkconduitfittoinsureproperseating.Fullyreamallconduit.
5. Installconduitandtightenallfittingstofittingmanufacturersspecifications.Secureconduittoappropriatestructuralsupportsasrequired.
6. Sealallconduitwithanapprovedcompoundpriortooperationoftheprotectionsystem.
Optional Intrinsic Safety Barrier ConduitSystemssuppliedwithoptionalIntrinsicSafetyBarriers(ISB)willbesuppliedwithclearlylabeledisolatedconduitentries,asolidbodywirewaywithsnapcoverandplexiglasswiringpartitions.TheseaccessoriesprovideafullyisolatedwiringpathtothebarrierwiringterminallocatedonthelowerleftcorneroftheEPCULogicModule.AllISwiringmustbeisolated.
1.Choosethelocationfortheenclosure’sISconduitconnection(s)basedontherequirementsonpage14,“ElectricalSupplyRequirements”.
2. Drillanddeburrenclosureconduitfittingholesintheprotectedenclosure.Mountthefittings.
3. DetermineappropriateroutefortheISconduit.
4. Measure,cutandthreadconduit,checkconduitfittoensureproperseating.Fullyreamallconduit.
5. Installconduitandtightenallfittingstofittingmanufacturersspecifications.Secureconduittoappropriatestructuralsupportsasrequired.
6. Sealallconduitwithanapprovedcompoundpriortooperationoftheprotectionsystem.
EPCU Conduit Connection PartsFittingKitsCanBeFactoryFurnished
1. ToconnectenclosurepowerfromtheEPCUtotheprotectedenclosure,one(1)LCK(LfittingConduitKit)orequivalentconduitelbow,couplingandsealfittings.
2. ForEPCUtoenclosurewiringconnectionwithone(1)additionalconduitconnectionpath,one(1)TCK(TfittingConduitKit)orequivalentconduittee,couplingandsealfittings.
IMPORTANT NOTE: Model LCK & TCK are offered primarily to OEMs attempting to achieve a "field ready" installation. In all cases, limited pipe fitting skills will be required. Pre-cut 150# galvanized steel pipe nipples can be acquired from local plumbing shops, but a hole saw or punch and wrenches are required to install kits.
LCK “L” FittingConduit Kit
TCK “T” FittingConduit Kit
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Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Power Modules & Wiring Diagram
EPCU 120/240 VAC Power Module Layout
VAC & VDC Power Module Electrical Wiring Diagram
Isolatedcoilvoltagetransformer
Powercontrolswitchcableheader
Pressureswitchcableheader
Logicmodulecableheader
Redundantsafepressurerelay
Alarmrelay
Enclosurepowerrelays
Powermodulewiringterminal
Voltageinputselectorseader(factorysetfor
120VACpower)
1Ampinputfuse
RapidExchange
solenoidvalve(RESV)relay
RESVfactorywiringterminal
20Ampenclosurepowerfuse
EPCU 120/240 VAC power module
1 2 3 4 5 6 7 8 9 10
20AMPFUSES
Isolatedenclosure
powerrelays
IsolatedAlarmrelay
NeuNeu
HotHot
NO Com NC
Remote alarmrelay terminals
OutInIn Out
Enclosure power supply
terminals
Field wired power module
terminalsNO NO NO NC
GndGnd
EPCU powersupply terminals
120VAC*240VAC(optionalvoltage)
*Europeansinglephase240VAConly.
Powerandalarmterminalsarefeed-thrudryswitchcontacts.
CautionshouldbeexercisedtoensurethattheEPCUwiringisproperlyconnected.
AllterminalconnectionstotheEPCUshouldbewiredwithspadeorroundlugs.
Using12gaugemaximumto16gaugeminimumwireonly,checkEPCUpowerrequirements(seepage14)andwiretotheEPCUpowersourceandalarmsystem(ifutilized).Thenroutepowersource(s)throughtheEPCUpowerinandoutterminalstoallnon-rateddeviceswithintheprotectedenclosure(s).
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Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Logic Module & Barrier Wiring
EPCU Logic Module & Pressure Switch Module
BarrierCsocket
BarrierB(installed)
BarrierAsocket
Barrierwiring
terminal
Pressureswitchcalibrationaccess
Barrierfault&activestatusindicators
Factoryprograming
header
Redundantcontroller
(GAL)
Powermodulecableheader
EDT,SLT&RETtimers
EPCU Logic Module
Primarysafepressureswitch
LEDstatusdisplay
EPCU pressure switch module
Primarymicroprocessor
Spaceforoptionalredundantsafepressure
switch
Optional ISB Wiring Requirements
Alloptionalintrinsicsafety(IS)wiringmustbeisolatedfromallotherelectricalwiringusingthededicatedISconduitentrancesandwirewayoftheEPCU.See"OptionalISBConduitInstallation"onpage18formoredetails.Inaddition,allwiringmustbeinstalledinaccordancewiththeNECandallrelevantlocalandplantcodes.
TheintrinsicsafetybarriersaredesignedtofunctioninconjunctionwithacustomerfurnishedswitchandSRM-4000switchresistormodule,oranNJ...NAMURsensor.Thecustomersuppliedswitchmusthavedrycontactswhichcontainnoinductanceorcapacitance.
TheSRM-4000switchresistormoduleandtheNJ...NAMURsensoraresuppliedwithapproximatelyten(10)feetofwiring.Using16to18gaugeshieldedwire,thecablelengthscanbeextendedtoamaximumof100feet.
Inallapplications,themoduleoftheswitchresistormodulecablemustbeinstalledasclosetothecustomersuppliedswitchaspossibleforproperoperation.
Wiringlugsarenotrecommendedforintrinsicsafetybarrierwiringconnections.
Seepage21forbarrieroperationandfactoryprograming.
EPCU Power Control Modes
Normal Running (NR) Mode
EPCUfeaturesanon-offpushbuttonpowercontrolswitchtoactivatecontrolfunctions.Switchmustbedepressedtoinitiatestart-up.Aftercompletionofstart-up,safepressuremustbelostorswitchmustbedepressedtodeenergizeenclosurepowerrelays.
Conditional Bypass (CB) Mode
EPCUfeaturesanon-off-bypasspowercontrolswitchtoactivatecontrolfunctions.Switchmustbesetto"on"positiontoinitiatestart-up.Afterenclosurepowerisenergized,safepressuremustbelostorswitchmustbesetto"off"positiontodeenergizeenclosurepower.Afterenclosurepowerisenergized,switchmaybesetto"bypass"position,totemporarilylatchenclosurepowerrelays.AflashingLEDthenindicatesbypassengaged,andtheenclosurecanthenbeaccessedwithoutdeenergizingpower(performedunderspecificconditions).Followingaccess,safepressuremustbereestablishedtoresumenormaloperation.Atthattime,theswitchmayberesettotheonposition,withoutdisruptionofenclosurepower.Alarmrelaynormallydeenergizesonlyuponlossofsafepressure,butcanbefactoryprogrammedtodeenergizewhenbypassisengaged,ifspecifiedattimeoforder.
A B C
INTRINSICALLY SAFE AUXILIARY INPUTS
- + - + - +
( - ) BLUE ( + ) BROWN
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Barriers & Field Adjustments
Optional Intrinsic Safety Barriers DescriptionTheEPCULogicModulecanaccommodateuptothreeintrinsicsafetybarriers,tointeractwithremotedevicesandaffectoperationoftheEPCU.Thebarriersareinstalledandprogrammedbythefactoryattimeoforder,andtheyaredesignedtofunctioneitherinconjunctionwithacustomerfurnishedswitchandaPepperl+Fuchsfurnishedresistornetworkcable,oraPepperl+Fuchsfurnishedproximitydetector.Eachbarrierdevelopsalowpowersignal,tocreateatwowireclosedloopcircuit.OperationalstatusofeachbarrierisindicatedbyagreenLEDtoshowactive(closedswitch)status,andbyaredLEDtoshowfaulted(linebreakage)cablestatus.Allbarrierscanbereprogrammedtoduplicateotherbarrierfunctionsasrequired,uponspecificrequest.
Optional ISB Factory Programing
Barrier A Function - when switch opens Disablesstart-upcycleDeenergizesenclosurepowerandalarmrelayFunctionsparalleltosafepressureswitch
Barrier B Function - when switch opens Notprogrammedforthismodel-customapplicationsonly
Barrier C Function - when switch closesEnergizesRESVRelay-customapplicationsonly
LED Display IndicatorsPower off: EnclosurepowerrelaysdeenergizedPower on: EnclosurepowerrelaysenergizedSafe pressure: Enclosurepressure>0.50"w.c.Alarm active: Enclosurepressure<0.50"w.c.Bypass engaged: Controlbypassactive-CBmode
Field Adjustable Timer FunctionsEDT(ExchangeDelayTimer)(FAstyleonly)providesatimedelaytopreventRapidExchangesolenoidvalvefromenergizinguntilsafepressurecanbestabilized.
SLT(SolenoidLatchingTimer)(FAstyleonly)providesatimedelaytokeeptheRapidExchangesolenoidvalveenergizeduntilRapidExchangepressureisdetected.Ifthepressureisnotdetected,theEPCUwillreset.
RET(RapidExchangeTimer)providesatimedelayafterRapidExchangepressureisdetected,toallowfourvolumeexchanges(tenvolumesformotors)priortoenergizingtheenclosurepowerrelays.InClassIareasonly,ifRapidExchangepressureislostorinterruptedduringtimedelaycycle,theEPCUwillreset.
EDT, SLT & RET Timer Settings
POSITION TIME IN SECONDS POSITION TIME IN MINUTES
0 5 0 5 1 10 1 10 2 15 2 15 3 20 3 20 4 25 4 25 5 30 5 30 6 35 6 35 7 40 7 40 8 45 8 45 9 50 9 50 A 55 A 55 B 60 B 60 C 65 C 65 D 70 D 70 E 75 E 75 F 80 F 80
NOTE:PowermustberemovedfromtheEPCUviathelocaldisconnectswitchforapproximately10secondsfortimeradjustmentstoreset.
EDT, SLT & RET timers are not functional on Model 2001B.
0 12
3
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Rotaryswitchbody
EDT & SLT Timer RET Timer
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Set-up Procedure
Class II Pressurization Set-up1.Closetheenclosurepressurecontrolregulatorfully,by
turningitcounterclockwise(CCW).
2. Removealltracesofcombustibledustfromtheprotectedenclosureusingasuitablevacuumtool.
3.Checkoperationofenclosurepressurevent(ifutilized).
4.Sealallprotectedenclosure(s).
5. DepresstheOn-Offpushbutton(NRmode)orturnselectorswitchtotheOnposition(CBmode).AllLEDsshouldilluminatefullyfortwoseconds(selftest),thenallLEDsshouldturnoffexceptPowerOff(solidred)andAlarmActivated(flashingred)LEDs.
6. TurnenclosurepressurecontrolregulatorslowlyCWtosettheenclosurepressureindicatortoa"safe"1.0inchpressure.ThesafepressureandtimerrunningLEDsshouldbeon,thealarmactiveLEDshouldturnoff.Checkfora0.50to0.55inchtrippointbyslowlystrokingtheindicatorfrom0.40to1.0inchreadings.Thesafepressure,alarmactiveandtimerrunningLEDsshouldturnonandoffwhentheindicatorreadsbetween0.50and0.55inches.
NOTE:Ifpressuresettingisdifficulttostabilizeorset,seepage24,“TroubleshootingProcedures.”
7. HavingensuredthatthesafepressureandtimerrunningLEDsarefunctioningproperly,start-upprocedureslocatedonpage23maynowbefollowedtostepthroughacompletestartupcycle,ensuringthatthesystemfunctionsnormallyduringallphasesofoperation.
HELPFUL HINTSRegulatormaybeinthelockedpositionuponarrival.Toadjustregulator,pullhandletooutwardposition.
Totestthevent’soperation,gentlyprodtheventflapperopenwithasoft-pointedobject,(example:eraserendofapencil)ensuringthattheventvalveworksfreely.Onverticallyconfiguredvents,thiscanbeaccomplishedfromwithintheprotectedenclosure.Sidemounted-90configuredventscanbetestedbyremovingthepipeplugatthebottomofthemountingtee.Multipleoperationsrequireonlyonetestperdayifenclosureisnotopenedorleftunattended.
Model 2001B-STD-LHFront View
Enclosurepressuregauge
Start-upinstructionnameplate
LEDstatusnameplate
EXPEPCUenclosure
SystemLEDdisplay
Modelidentificationnameplate
Enclosurepressurecontrol
regulator
Conditionalbypass
operatinginstructions
EPCUpowerselectorswitch
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Operating Sequence
WARNING! Do not exceed a “safe” pressure with the enclosure pressure control regulator.
Operators must follow step-by-step sequence of the start-up instructions nameplate on the protection system.
Do not use the bypass modes without first securing a "hot work" permit.
Never leave the system unattended in bypass modes.
Pressurization OperationWiththeinertgassupplyon,RETTimersetproperly,EPCUpowerandalarmsystemenergized(ifutilized).
1.Carefullyreadstart-upinstructionnameplateonsystem.
2.Checkoperationoftheenclosureprotectionvent(modelEPV-3,ifutilized),openingitmanuallyseveraltimes.Seepage22,“HelpfulHint.”
3.Removealltracesofcombustibledust.
4.Sealprotectedenclosure(s).
5. Depresstheon-offpushbutton(NRmode)orturnselectorswitchtotheonposition(CBmode).EachLEDshouldilluminatefullyfortwoseconds,thenallLEDsshouldturnoffexceptpoweroff(solidred)andalarmactivated(flashingred)LEDs.
6.TurnenclosurepressurecontrolregulatorslowlyCWtosettheenclosurepressureindicatortoa"safe"1.0inchpressure.ThesafepressureandtimerrunningLEDsshouldbeon,thealarmactiveLEDshouldturnoff.
NOTE:IfthesafepressureortimerrunningLEDsblinkonandoffor"flicker"duringthiscycle,EPCUwillresetRETtimer.
7.Ensuretheprotectionsystemenclosurepressureindicatormaintainsa“safe”1.0inchpressureforone(1)minute.Readjustnclosurepressurecontrolregulatorifrequired.
8. If"safe"1.0inchpressureislost,theEPCUwilldeenergizeenclosurepowerandactivatealarmsystem(ifutilized).
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Troubleshooting Procedures
Problem or Fault Possible Causes Corrective Action
Enclosurepressurecontrolregulatorwillnotholda"safe"1.0inchpressure.
Leakagearoundgasketing,covers,seams,pipingandtubingconnections,conduitconnectionsandelectricalconduitsealsoftheenclosure.
Tightenenclosurelatches:Wheretighteningisnotfeasible,andgasketingmaterialsarenotpractical,holesorgapscanbeclosedwithsiliconesealantappliedfrominsidetheprotectedenclosure.
Enclosurepressureindicatorreadingisdifficulttostabilize.
Insufficientenclosureleakageoropeningoftheventuriorificeiscrimpedtoosmall.
Removetheorifice,cutoffthecrimpedendandreamthetube,thenrecrimpandreinstallthetubetonoteeffect.Astubeisshortened,reamed,andrecrimped,sensitivitydecreases,allowingeasieradjustmentofsetpointontheenclosure.
Enclosurepressureindicator"drifts"upordownfromthe"safe"pressuresetting.
Applicationinvolvesasmall,tightlysealedenclosureand/orafluctuatingprotectivegassupply.
Pre-regulatetheprotectivegassupplyupstreamoftheenclosureprotectionsystemto5psimaximum.
Fordramaticfluctuationsintheprotectivegassupply,itmaybenecessarytoutilizeaself-relievinglowflowprecisionregulatortopre-regulatetheprotectivegassupply.
Enclosurepressureindicatorreadsa"safe"pressurebutthesafepressureLEDisnotilluminated.
ConduitsealbetweenEPCUandprotectedenclosureisnotpouredorisleakingpressurebackintotheEPCU.
EPCUbreatherdrainisclogged(allsystemsexceptPMconfigurations).
Safepressureswitchisoutofcalibration.
Withareapositivelyknowntobenon-hazardous,removescrewcoveroftheEPCUandattemptacompletestart-upprocedure.Ifthesystemworksproperly,checkenclosurepowerconduitsealforleakageandtheEPCUbreatherdrainforblockage.Ifthesystemdoesnotoperateproperly,calibratethesafepressureswitch.
Calibratebyslowlyadjustingclockwisetodecreasethesetpoint,andcounterclockwisetoraisethesetpoint.
(Donotattempttocalibratetheswitchuntilalleffortstomaketheswitchrespondproperlyhavefailed)
Problemspersists,orifthesystemdoesnotappeartobeoperatingproperly.
Persistingproblems. ContactPepperl+FuchsApplications/CustomerServiceDepartmentat(330)486-0002formoreinformation.
Thissectioncoversthemostcommonproblemsdocumentedwiththissystem.Anyproblemsnotcoveredinthissectionshouldbeaddresseddirectlytoourfactory.Pleaseaddressallserviceneedsto:
Pepperl+Fuchs, Inc. Customer Service Department
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Pepperl+Fuchs Groupwww.pepperl-fuchs.com
USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
PEPPERL+FUCHS STANDARD 24-MONTH WARRANTY1. LimitedWarranty.Pepperl+Fuchs,Inc.(“P+F")warrantsPurgeUnitsandcomponentsforPurgeUnitsmanufacturedbyP+F
(“Product"or“Products")tobefreefromdefectsinmaterialandworkmanshipunderNormalUseforaperiodoftwenty-four(24)monthsfromthedateofshipmentofsuchProductsfromP+F’swarehouseorplaceofmanufacture(orfromP+F’sauthorizedrepresentativeordistributor).OnlytheoriginalpurchaserofsuchProducts(the“Customer")shallbeentitledtothebenefitoftheforegoingLimitedWarranty.Norepresentative,agentorsalesmanofP+FisauthorizedtogiveorprovideanywarrantyormakeanyrepresentationcontrarytoorinadditiontotheforegoingLimitedWarranty.
2. InspectionandClaims.CustomermustinspectandtestallProductsuponreceipt.AllclaimsundertheLimitedWarrantyprovidedhereinmustbemadewithinthirty(30)daysofthediscoveryofthedefect.CustomermustobtainshippinginstructionsfromP+FpriortoreturninganyProduct,whichProductmustbereturnedatCustomer’sexpenseinaccordancewithP+F’sinstructions.
3. LimitationsandExclusions.“NormalUse"shallmeanuseandoperationwithinratedcapacities,atthecorrectvoltage,andwithanyrequiredmaintenanceasprovidedintheapplicableP+FOperatingManuals.TheLimitedWarrantyprovidedhereindoesnotapplyto(i)anyProductswhichhavebeenalteredormodifiedinanywayordisassembledbytheCustomeroranyoneelse,(ii)anyProductswhichhavebeensubjecttomisuse,negligenceoraccident,orimproperlyinstalled,changed,substitutedorreplaced,(iii)anypartorcomponentnotmanufacturedbyP+F,or(iv)anypartorcomponentthatissubjecttowearorconsumption.ForpartsorcomponentsnotmanufacturedbyP+F,theCustomeroranyotheruserorownershallhaveonlythewarrantyprovidedbythemanufacturerofsuchpartorcomponent.TheLimitedWarrantysetforthhereinisalsosubjecttothefollowing:
(1) TheLimitedWarrantyislimitedtoelectronicandmechanicalperformanceonly,asexpresslydetailedintheproductspecifications,anddoesnotapplytocosmeticappearance;
(2) TheLimitedWarrantyshallnotapplytoanycablesattachedto,orintegratedwith,anyProducts.
(3) TheLimitedWarrantyshallnotapplytoanyProductswhicharestored,orutilized,inharshenvironmentalorelectricalconditionsoutsideP+F’swrittenspecifications.
THELIMITEDWARRANTYSETFORTHHEREINISTHEONLYWARRANTYMADEBYP+FWITHRESPECTTOTHEPRODUCTS.ITISEXPRESSLYAGREEDANDUNDERSTOODTHATP+FMAKESNOWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.EXCEPTFORTHELIMITEDWARRANTYSETFORTHHEREIN,THEREISNOOTHERWARRANTY,EXPRESS,IMPLIEDORSTATUTORY;ANDTHEREISNOAFFIRMATIONOFFACTORPROMISEBYP+FWITHREFERENCETOTHEPRODUCTS.INNOEVENTSHALLP+FBELIABLEFORACTUALORANTICIPATEDLOSTPROFITSORFORINCIDENTALORCONSEQUENTIALORPUNITIVEDAMAGESORFORDAMAGESRESULTINGFROMBUSINESSINTERRUPTION,ORINJURYORDEATHOFPERSONS,ORINJURYTOPROPERTY.P+F’SLIABILITYONANYCLAIMOFANYKINDARISINGOUTOF,CONNECTEDWITHORRESULTINGFROMTHEDESIGN,MANUFACTURE,SALE,REPAIROROPERATIONOFAPRODUCT,SHALLNOTEXCEEDTHEPRICEALLOCABLETOTHATPRODUCTORTHEPARTTHEREOFWHICHGIVESRISETOTHECLAIM.THEREMEDYSETFORTHINTHISLIMITEDWARRANTYCONSTITUTESTHESOLEANDEXCLUSIVEREMEDYOFTHECUSTOMER.P+FSHALLNOTBELIABLEFORPENALTIESOFANYDESCRIPTION.
4. LimitationofRemedies.IntheeventofP+F’sliability,whetheronthisLimitedWarrantyorbasedoncontract,tort(including,butnotlimitedto,negligenceandstrictliability)orotherwise,Customer’ssoleandexclusiveremedywillbelimitedto,atP+F’soption,therepairorreplacement(f/o/bP+F’splaceofmanufacture)byP+Fofanynon-conformingitemsforwhichclaimismadebyCustomerinaccordancewithparagraph2,ortherepaymentoftheportionofthepurchasepricepaidbyCustomerattributabletothenon-conformingitem.
5. ResponsibilityofCustomer:SafetyandProtectionPrecautions.P+FtakesgreatcaretodesignandbuildreliableanddependableProducts;however,someProductscanfaileventually.Customermusttakeprecautionstodesignitsequipmenttopreventpropertydamageandpersonalinjuryintheunlikelyeventofafailure.ASAMATTEROFPOLICY,P+FDOESNOTRECOMMENDTHEINSTALLATIONOFPRODUCTSASTHESOLEDEVICEFORTHEPROTECTIONOFPERSONNELORPROPERTYAND,THEREFORE,THECUSTOMERSHOULDBUILDINREDUNDANCYORDUALCONTROLUSINGAPPROVEDSAFETYDEVICESFORTHESEAPPLICATIONS.
6. Conflicts.IntheeventthereisanyconflictbetweentheprovisionsofthisLimitedWarrantyandanyprovisionscontainedinanyorders,offers,acceptancesorotherwritingsorstatementsprovidedormadebyCustomertoP+F,theprovisionsofthisLimitedWarrantyshallprevail,andthecontractbetweenP+FandtheCustomershallbedeemedformedonlyupontheprovisionssetforthinthisLimitedWarranty,andanyadditionalorconflictingprovisioninsertedbyCustomershallbeofnoforceoreffect.
Warranty Terms and Conditions
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USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
System Maintenance
Regular MaintenanceDraintheprotectionsystemregulatorfrequentlyandcleansystemwithnonsolventcleaningagentsonly.
Long-Term MaintenanceCalibratetheenclosurepressureindicatorto0inchesbyventingthepurgepressurereferenceportandtheprotectedenclosuretoatmosphereandadjustingthecalibrationscrewinthelowercenterportionoftheindicator’sface.
Fullyopentheenclosurepressurecontrolregulator,toblowoutanydepositsaroundthetipofthevalveandtoensurethattheenclosureprotectionventisoperatingproperly,thencarefullyreadjustsystemaccordingtotheset-upprocedureandoperatingsequenceonpages22and23.Replaceortightenstempackingnutasrequiredtoprohibitstempackingleakage.
Carefullydisassembletheenclosureprotectionventbylooseningthetwobottomhexnutsthatholdtheunittogether.
(DO NOT REMOVE CAP NUTS ON TOP OF VENT BODY)
Carefullycleantheflappervalveandventbodyseatswithwarmsoapandwater,beingcarefulnottoextendtheventvalvebeyonditsnormalopeningpoint,andbeingcarefulnottoexertanystressonthevalvehinge.
Examinetheentireprotectionsystemandtheprotectedenclosure(s),andreplaceanydefectivepartsduringroutineshutdownoftheprotectedenclosure(s).PartsareavailablefromPepperl+Fuchsonimmediatenoticeasrequired.
MAINTENANCE SCHEDULEDate Work performed Performed by
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USA: +1 330 486 [email protected] [email protected]
Singapore: +65 6779 [email protected]
Copyright Pepperl+Fuchs
Germany: +49 621 776 2222
Systems Identification & Application Information
Date of installation _____________________________________________________
Unit serial #____________________________________________________________
Item ___________________________________________________________________
Customer P.O.# ________________________________________________________
Customer project# _____________________________________________________
Service ________________________________________________________________
Type __________________________________________________________________
Features ______________________________________________________________
Application ____________________________________________________________
Notes: _______________________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
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PROCESS AUTOMATION – PROTECTINg YOUR PROCESS
Worldwide/german Headquarters Pepperl+Fuchs GmbH Mannheim · GermanyTel. +49 621 776 2222E-Mail: [email protected]
1
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8
For over a half century, Pepperl+Fuchs has provided new concepts for the world of process automation. Our company sets standards in quality and innovative technology. We develop, produce, and distribute electronic interface modules, Human-Machine Interfaces and hazardous location protection equipment on a global scale, meeting the most demanding needs of industry. Resulting from our world-wide presence and our high flexibility in production and customer service, we are able to offer complete individual solutions – wherever and whenever you need us. We are the recognized experts in our technologies – Pepperl+Fuchs has earned a strong reputation by supplying the world’s largest process industry companies with the broadest line of proven components for a diverse range of applications.
Subject to modifications • © 2009 PEPPERL+FUCHS, INC. • Printed in USA • Part No. 512246 Drawing No. 129-0209a (TDOCT1363_ENG) 03/09