INSTALLATION AND OPERATION MANUAL: MODEL … · acknowledges the use of NFPA 496 as a guideline ... tighten stem packing nut ... Model 1001B Installation and Operation Manual

MODEL 1001B TYPE Y OR ZPRESSURIZATION SYSTEM

PROCESS AUTOMATION

INSTALLATION AND OPERATION MANUAL

Model 1001B Installation and Operation Manual

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Table of Contents

Page 2 System Purpose and Description Purpose,Systemdescription,Importantnotes

Page 3 Identifying Your System Definesspecificfeaturesofthesystem

Page 3 General Information System&materialspecifications,System

accessories,Spareparts,tools&testequipment,Maintenanceprocedures

Page 4 Enclosure and Device Design Designrequirements,Adjacentenclosures,Deviceventilation,Temperaturelimitations

Page 5 Installation Overview Installationdiagram

Page 6 Getting Started Establishingconnectionsizes,Determiningenclosure

inlet&outletconnectionlocations

Page 7 System Mounting LH,RH,TM,BM&WMconfigurations,

FM&PMconfigurations

Page 8 Hardware Mounting Optionalenclosureprotectionvent,Warning

nameplates

Page 9 Mounting Plate Dimensions Mountingplatedimensiondiagrams

Page 11 Pneumatic Tubing Requirements Protectivegassupplyrequirements,Pneumatic

connectionrequirements

Page 12 Tubing Installation LH,RH,TM,BM,WM,FM&PMtubing

configurations

Page 13 Tubing Connection Diagrams LH,RH,TM,BM,WM,FM,&PMconfiguration

connectionpoints,Pneumaticdiagram

Page 14 Electrical Supply Requirements Wiringrequirements,Enclosurepower&alarmsignal,

Enclosurewiringmethods&connections

Page 15 Conduit Installation Electrical&WPSstyleconduitandconnectionparts

Page 16 Set-Up & Operating Procedures ClassIIset-upandoperation

Page 17 Troubleshooting Procedures Troubleshootingchart

Page 18 Warranty and Liability Statement Warrantynotes,Generalterms,Limitations

Page 19 Customer Notes

Page 22 System Maintenance Regularmaintenance,Long-termmaintenance,

Maintenanceschedule

Page 23 Systems identification & application information

Purpose and Description

PurposePepperl+Fuchs'BebcoEPSSystemallowstheuseofgeneral-purposeornonratedelectricalorelectronicdevices,withexceptiontodevicesthatproduceexcessiveheat,utilizecombustiblegas,orexposearcingcontactstothehazardousatmosphere,inNEMA(NationalElectricalManufacturersAssociation)4or12enclosuresintheplaceofexplosionproofNEMA7enclosures.Otherpurposesincludeheat,moistureanddustcontaminationprevention.

DescriptionModel1001Bisanenclosurepressurizationsystemthatoperatesonasupplyofcompressedinstrumentairorinertgas.Itregulatesandmonitorspressurewithinsealed(protected)enclosurestopreventcombustibledustaccumulation.InClassIIareas,thesystemmaintainsa“safe”(1.0")pressure.Thisprocessreducesthehazardous(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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09Identifying Your System

Thisenclosureprotectionsystemisofferedinvariousstyles.Forproperinstallationandoperation,examinethesystemmodelnumbernameplatetoidentifythesystemstyle,areaclassification,andtype,asnotedbelow.

General Information

System SpecificationsSystemdimensions: Seepages9&10Shippingweight(lbs.): LPS-7,WPS-12Operatingtemp.range: -20°Fto+120°FSupplypressurerange: *5-120psimax.

Whenusingtheoptionalinlinefilter,max.supplypressureis80psiSupplyrequirements: CleanairorinertgasSafepressuresetpoint: 1.0"Safepressureflowrate: **0.1-3.5SCFHSystemsupplyfitting: 3/8"tubefittingEnclosuresupplyfitting: 3/8"tubefittingEnclosurereferencefitting: 1/4"tubefittingSwitchsetting(decr,) 0.5"+.02"Switchconduitportsize: 1/2"FPTSwitchcontactrating: 120VAC,15Amps

* WithEPV-3Vent-120psimax.to5psiminimum.SystemsinstalledwithoutEPV-3mustbeequippedwithredundantregulatorsetto5psimaximum

**Enclosureintegritydeterminesactualflowrate

Material SpecificationsRegulatorbody: Zincw/enamelfinishRegulatorhandle: PolycarbonateEnclosurepressuregauge: Aluminumw/enamelfinishTubefittings: 316SSforgedbodyTubing: 316SS1/4".035weldedSystemnameplates: SilkscreenedLexan®&SSFastenerhardware: Aluminum&stainlesssteelMountingplate: 31614ga#3brushSSEXPpressureswitchbody: Anodizedcastalum.Enclosurewarningnameplate: SilkscreenedSS

Lexan®isaregisteredtrademarkoftheGeneralElectricCorporation

Model 1001B System AccessoriesOptional Enclosure Protection VentsEPV-3-SA-00 Straightw/sparkarrestorEPV-3-SA-90 Rtanglew/sparkarrestor

Additional ItemsSMK-1,-4or-6 SystemmountingkitEPSK-2 ClassII,explosionproofswitchkitGPSK-2 ClassII,generalpurposeswitchkitRAH Div.1remotealarmhornRAB-1 Div.1remotealarmbeaconRAB-2 Div.2remotealarmbeaconLCK LfittingconduitkitTCK TfittingconduitkitTR-10G Tamper-proofregulatorw/gaugeEFC-4 1/4"flushconnectorEFC-6 3/8"flushconnectorEBC-6 3/8"bulkheadconnectorEPC-13 1"pipeconnectorILF-6 3/8"filterw/clearbowlETW Enclosuretemperaturewarning

Recommended Spare PartsQty Description Part#(supercedes)1 Enclosurepressureindicator-CII 513235(001027)1 Enclosurepressurecontrolregulator 513236(002050)1 Installation&operationmanual 129-02011 EXPenclpressurelossalarmswitch-CII 513242(001082)1 Enclosurewarningnameplate-CII 513009(EWN-2)

Pleasecallandreferencetheabovepartnumberforcurrentsparepartspricing.Immediatepricingisavailabletoallconfirmedcustomers.

Installation Tools & Testing Equipment1/2"chuckdrill

Completesetofdrillbits

1.25"conduitknockoutpunchor1.75"holesaw

Completesetoftubing,conduitbending,instrumentfittingandelectricalcraftsmanhandtools

0-250scfhflowmeter(connectedupstreamoftheprotectionsystemtodetermineairconsumptionandflowduringset-upprocedure)

1001B - LPS - CII - YZ - LH - ##

Series Model NumberSystem Style

LPS - less pressure switchWPS- with pressure switch

Area ClassificationCII - Class II Area

System TypeYZ - Div. 1 to Div. 2, Div. 2 to Nonhazardous

Mounting ConfigurationLH - left hand left side of enclosureRH - right hand right side of enclosureTM - top mount top of enclosureBM - bottom mount bottom of enclosureWM - wall mount wall surfaceFM - frame mount external frame or rackPM - panel mount enclosure surface cutout

(Not available in WPS Style)

## - Additional factory installed accessories

APPROVED BY FM APPROVALS AS ASSOCIATED TYPE Y & Z PRESSURIZATION CONTROL

EQUIPMENT FOR USE IN HAZARDOUS LOCATIONS. REDUCES THE INTERNAL AREA

OF A CONNECTED ENCLOSURE IN ACCORDANCE WITH DRAWING NUMBER 1001B-IOM.

REDUCES INTERNAL AREA CLASSIFICATION AS FOLLOWS:TYPE Y: CL. II, DIV. 1, GR. E, F & G TO CL. II DIV. 2

TYPE Z: CL. II, DIV. 2, GR. E, TO NONHAZARDOUSF & G

Model 1001B-WPS-CII Type Y or ZC

LASSIFIED

®

PURGE CONTROL FOR USE IN HAZARDOUS LOCATIONS IN ACCORDANCE WITH THE NATIONAL FIRE

PROTECTION ASSOCIATION STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL

EQUIPMENT NFPA 496-1996 4S11

50 CUBIC FEET MAXIMUM ENCLOSURE VOLUME


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Maintenance ProceduresRegular Maintenance Procedure

Draintheprotectionsystemfilterfrequently(ifequippedwithaModelILFKin-linefilterkit)andcleansystemwithnonsolventcleaningagentsonly,suchassoapandwater.

Long-Term Maintenance Procedures

Calibratetheenclosurepressureindicatorto0inchesbyventingthepurgepressurereferenceportandtheprotectedenclosuretoatmosphereandadjustingthecalibrationscrewinthelowercenterportionoftheindicator’sface.

Ifventisutilized,fullyopentheenclosurepressurecontrolregulator,toblowoutanydepositsaroundthetipoftheregulatorandtoensurethattheenclosureprotectionventisoperatingproperly,thencarefullyreadjustsystemaccordingtotheset-upandoperatingproceduresonpage16.Replaceortightenstempackingnutasrequiredtoprohibitstempackingleakage.

Carefullydisassembletheenclosureprotectionventbylooseningthetwobottomhexnutsthatholdtheunittogether.

(DO NOT REMOVE CAP NUTS ON TOP OF VENT BODY)

Carefullycleantheflappervalveandventbodyseatswithwarmsoapandwater,beingcarefulnottoextendtheventvalvebeyonditsnormalopeningpoint,andbeingcarefulnottoexertanystressonthevalvehinge.

Examinetheentireprotectionsystemandtheprotectedenclosure(s),andreplaceanydefectivepartsduringroutineshutdownoftheprotectedenclosure(s).PartsareavailablefromPepperl+Fuchsonimmediatenoticeasrequired.

Enclosure & Device Design

Enclosure Design Requirements1. Allwindowsmustbeshatterproofandsizedassmallas

possible.

2. AllNFPA496requiredmarkingsmustbeplacedonornearallenclosuredoorsandcovers.

3. Theenclosuremustwithstandaninternalpressureoften(10)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) purgedorpressurizedseparatelyor

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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Model 1002-WPS-LH Shown

PROTECTIVE GAS SUPPLY

SYSTEM SUPPLY TUBING

ELECTRICAL ALARM WIRING CONDUIT & SEAL

SERVICE VALVE

SYSTEM SUPPLY FITTING

ENCLOSURE PROTECTION

SYSTEM

SYSTEM MOUNTING

BOLT

ENCLOSURE SUPPLY TUBING


VENT

PROTECTED ENCLOSURE

ENCLOSURE CONNECTION

FITTINGS

ENCLOSURE REFERENCE

TUBING

ENCLOSURE WARNING

NAMEPLATE

Installation Overview


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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


SYSTEM

Maximum tubing / pipe length and maximum number of bends / elbows

3/8"O.D.tubingfullyreamed

20feet10bends


Description

*Tubing or pipe diameter

Enclosure supply

System supply tubing

Enclosure reference


5feet5bends

20feet10bends

Multi - enclosure connections

1"I.D.pipefullyreamed

10feet5elbows

Optional remote venting

1"I.D.pipefullyreamed

30feet5elbows

A B EDC


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: Tube and pipe sizes are trade sizes and are not equal in inside diameter. DO NOT substitute tube for pipe with same trade size.


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09System 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 and 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 purge systems are factory tested and calibrated, we strongly suggest a bench test of basic functions prior to installation.

Mounting LH, RH, TM, BM & WM ConfigurationsSurface mounting Systems

1.Transferholepatternofsystemmountingplatetointendedsurface.

2. Checkforobstructionshinderingboltfastening,drillandreamthemountingholesbeforemountingthesystem.

3. Securethesystemtotheenclosure,orothermountingsurface,usingone(1)SMK-1mountingkitorequivalent-four(4)1/4"x3/4"stainlesssteelbolts,nutsandlockwashers.

Pipe mounting Systems

1. Locate2"schedule40pipe,(verticalforLH&RH,horizontalforTM&BM)withinfive(5)feetofprotectedenclosure.

2. Ensuresystemismountedinatrueverticalposition,securethesystemtopipe,usingone(1)PMK-1mountingkitorequivalent-two(2)1/4"x2"stainlesssteel“U”bolts,nutsandlockwashers.

Mounting FM & PM Configurations

1. Transferpanelcutoutpatterntotheintendedsurface.

2. Checkforobstructionsthatcouldprohibitboltfasteningorsystempneumaticconnections.

3. Cutpanelcutoutpatternontheintendedsurface.

4. Deburrallcutoutsurfaces.

5. SecuresystemtoenclosureusingSMK-4orSMK-6mountingkit,orequivalent1/4"x3/4"stainlesssteelnuts,bolts,mountingclipsandlockwashers.

HELPFUL HINTSFMandPMconfigurationsaredesignedtomountthroughapanelcutoutone(1)inchsmallerthantheoverallheightandwidthofthesystemmountingplate,usingclipsandfastenersprovidedwithSMK-4orSMK-6mountingkits.Thisdesignfeatureeliminatestheneedtodrillthesystemmountingboltholesintheprotectedenclosure.

FMconfigurationsareintendedformountingadjacenttotheprotectedenclosure.

PMconfigurationsareintendedformountingthroughacutoutintheprotectedenclosuresurface.

Typical Examples of Surface, Pipe, Panel & Frame Mounted Systems

Typical surface mounted system(Model 1002-LPS-CI-Z-LH shown)

Typical pipe mounted system(Model 1002-LPS-CI-Z-LH shown)

Typical panel/frame mounted system(Model 1002-LPS-CI-Z-PM shown)


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Hardware Mounting

Optional Enclosure Protection VentAllconfigurationsmustbemountedinatrueverticalposition.

Theventmustbelocatedtoprovideaccessforroutinetestingofthevent’sflapperassembly.Aminimum8"clearanceisrequiredbelowtheventopening.

1. Determinethevent’smountingconfiguration,i.e.,-00verticalmountor-90sidemount.Seephotosbelow.

2.Determineventlocationandlayoutventmountingholeontheprotectedenclosure(asdeterminedonpage6,“GettingStarted”).

3. Usinga1.75"holesawor1.25"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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09Mounting Plate Dimensions

1001B-LPS-LH(Left hand configuration)

1001B-WPS-LH(Left hand configuration)

1001B-WPS-RH(Right hand configuration)

1001B-LPS-RH(Right hand configuration)

1001B-LPS-TM(Top mount configuration)

1001B-WPS-TM(Top mount configuration)

4"6"

.625"3.375"

7"

8.875"

6.375"

.25" O.D.TYP. 4

4"7.25"

.625"3.375"

12"

8.875"

11.375"

.25" O.D.TYP. 4

4"7.25"

.625"3.375"

11.375"

.25" O.D.TYP. 4

8.875"

12"

4"6"

.625"3.375"

6.375"

.25" O.D.TYP. 4

8.875"

7"

4"6"

.62

5"

8.125"

3.3

75

"

7"

8.75"

.25" O.D.TYP. 4

4"

7.25"

13.625"

.62

5"

3.3

75

"

14.25"

8"

.25" O.D.TYP. 4


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Mounting Plate Dimensions (continued)

1001B-WPS-WM(Wall mount configuration)

1001B-LPS-FM & 1001B-LPS-PM(Frame & panel mount configuration)

1001B-WPS-FM(Frame mount configuration)

1001B-LPS-BM(Bottom mount configuration)

1001B-WPS-BM(Bottom mount configuration)

1001B-LPS-WM(Wall mount configuration)

4"

7.25"

13.625"

.62

5"

3.3

75

"

14.25"

8"

.25" O.D.TYP. 4 .6

25

"

3.3

75

"

4"

6"

8.125"

7"

8.75"

.25" O.D.TYP. 4

11"

6"

9.25"

12"

8.875"

14"

10.875"

9.875"Panel Cutout

Panel Cutout13"

3.25"3.25".25" O.D.TYP. 6

9"

10.875"

9.875"Panel Cutout

Panel Cutout8"

2.75" 2".25" O.D.TYP. 4

7.875"

1" .5"

.25" O.D.TYP. 4

6"

6"

7.5"

7"

8.875"

TYPICAL -WMMOUNTING FLANGE


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09Pneumatic 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.

Pneumatic Connection RequirementsALLFITTINGSMAYBECUSTOMERORFACTORYFURNISHED

1. Forsystemsupply,one(1)SC-63/8"malestraightconnectororone(1)NC-63/8"maleelbowconnectororequivalentfittingpersystem.

NOTE: Above fitting is required only if protection system is furnished with an optional in-line filter kit (model ILFK) 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"&3/8O.D.,.035"wallthickness,weldedorseamlessstainlesssteeltubing.

5.Formultipleenclosureconnections,two(2)EPC-131.25"pipemountinghubsorequivalentand1.25"150#ratedpipecouplings&unionsperinterconnection.

One(1)lot150#rating1.25"galvanizedoraluminumpipeandfittings,fullyreamedandunrestricted.

PM Pneumatic Connection RequirementsInadditiontoitemnumbers1,4and5above,thefollowingfittingsarerequiredforallPMconfigurations.

1. ForsystemsupplyonPMconfigurations,one(1)additionalEBC-6orequivalent3/8"throughbulkheadfittingpersystemisrequired.

2. Foratmosphericreference,one(1)PRB-4orequivalent1/4"femalebulkheadfittingandstainlesssteelsinteredelementisrequired.

SYSTEM SUPPLY FITTINGSSC-6 NC-6

ENCLOSURE SUPPLY & REFERENCE FITTINGS

EBC-4 & EBC-6EFC-4 & EFC-6

EPC-13

SYSTEM ATMOSPHERIC REFERENCE FITTINGPRB-4

MULTIPLE ENCLOSURE CONNECTION FITTING


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HELPFUL HINTSAllworkmustbeperformedbytechniciansqualifiedinpneumatictubingandelectricalconduitinstallation.

Pepperl+Fuchsrecommendstheuseof.035"wallthickness,weldedorseamlessstainlesssteeltubing.

Ifflexibletubingisused,itmustbeinstalledinamannerwhichwillprotectitfromdamageandcorrosion.

Tubing Installation

Tubing LH, RH, TM, BM, WM & FM ConfigurationsSystem Supply Connections

1. Selectorinstallaprotectivegassupplyheadertap,fittedwiththepropertubesizefittingandlocatedwithintwenty(20)feetoftheenclosureprotectionsystem.

2. Ifaservicevalveisplacedbetweentheprotectivegassupplyheaderandtheenclosureprotectionsystem,itmustbeinstalledincloseproximityoftheprotectedenclosureandbelabeledinaccordancewithNFPA496.

3. Selecttheappropriatefittingsrequiredtoconnecttheprotectivegassupplytotheprotectionsystemregulatorasdeterminedonpage11,“PneumaticConnectionRequirements”.

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.


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,itmustbeincloseproximityoftheprotectedenclosureandlabeledinaccordancewiththeNFPA496.

3. Determineappropriatetubingroutefromtheprotectivegassupplyheadertothesystemsupplybulkheadfitting.

4. Determineappropriatetubingroutefromthesystemsupplybulkheadfittingtotheprotectionsystemregulator.

5. Determineappropriatetubingroutefromtheatmosphericreferencebulkheadfittingtotheenclosurepressuregauge’sreferenceinletconnection.


7. Installtubingandtightenallfittingstofittingmanufacturer’sspecifications.Securetubingasrequired.


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HELPFUL HINTPneumaticconnectionsarebolded.

Tubing Connection Diagrams

LH, RH, TM, BM, WM, & FM Configuration Connection Points & Pneumatic DiagramSystem supply inlet

Enclosurepressurecontrol

regulator

Enclosure supply outlet

Enclosurepressuregauge

Enclosurereference

inlet

Venturiorifice

Mountingplate

LPS Style

Protectedenclosure

Optionalenclosureprotectionvent

WPS Style

Systemsupply

OptionalEXPpressureswitch

Venturiorifice

Inlet

Sinteredvent


Regulator

Sinteredvent Reference

Supply

Enclosurereferencebulkheadfitting

Enclosuresupplybulkheadfitting

PM Configuration Connection Points & Pneumatic Diagram


Atmospheric reference

inlet

Mountingplate

Optionalenclosureprotectionvent

Protectedenclosure

System supply inlet


regulator

Enclosure supply outlet

Systemsupply

InletSystemsupply

bulkhead

Atmosphericreferencebulkhead

Supply

Reference

Regulator


Sinteredvent


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Electrical Supply Requirements

General Wiring RequirementsWARNING!This device contains electrical parts that can cause shock or injury.

Allelectricalconnections,conduitandfittingsontheprotectedenclosuremustbesuitableforthehazardouslocationinwhichtheyareinstalled.Inaddition,allconduitandwiremustbeinstalledinaccordancewithNECasrequiredandallrelevantplantandlocalcodes.

Note:Donotusesealsonconduitusedasaprotected“wireway”tosupplyprotectivegastoadjacentprotectedenclosures.Thesameconduitcanbeutilizedforbothelectricalandpneumaticservicetoanadjacentprotectedenclosure(s),providedtheconduitisoversizedtoallowaminimumfreeclearanceequaltoorlargerthanthepipesizerequiredbetweenmultipleenclosuresasstatedonpage6,“GettingStarted.”

Enclosure Power RequirementsTheprotectedenclosure(s)electricalpowersourcemustoriginatefromacircuitbreakerorfuseddisconnectsuitableforthehazardouslocationinwhichitisinstalled.Theswitchmustbelocatedwithinfifty(50)feetoftheprotectedenclosure(s)andtheprotectionsystemandbeproperlymarked.

Alarm Signal RequirementsForTypeYandZpurgesystems,audiblealarmsorvisualindicatorsmustbeusedtonotifyoperatorsthatpressureinsidetheenclosureisbelowtheNFPAminimum.

Alarmsareconnecteddirectlytotheenclosureandmonitorthedifferentialairpressurebetweentheenclosureandtheenvironmentoutsideit.Thesealarmsareactivatedbythereductioninfloworpressurewithintheprotectiveenclosureandhaveadirectconnectiontotheenclosure,eliminatingtheneedforanalarmontheprotectivegassupply.

• Thealarmmustbelocatedwheretheoperatorcanseeiteasily.

• Thealarmmusttakeitsmeasurementfromtheenclosureonly.

• Alarmslocatedinthehazardousareamustberatedforthearea.

• Valvescannotbeconnectedbetweenthealarmandtheenclosure.

IMPORTANT NOTE: NFPA 496 requires the use of an alarm or an indicator to detect the loss of safe enclosure pressure. In addition, the NFPA 496 requires that if an indicator alone is utilized, a protective gas supply alarm must also be installed between the last valve in the protective gas supply and the protected enclosure. Therefore, the protective gas supply to all LPS Style systems must be equipped with the above mentioned protective gas supply alarm. Exception: Systems utilizing an EPSK or GPSK enclosure pressure loss alarm switch accessory will satisfy the above mentioned NFPA requirement.

Typical Enclosure Wiring MethodsInageneralsense,protectedenclosuresshouldbewiredsimilartoexplosionproofenclosures,inaccordancewithArticle500oftheNationalElectricCode-NFPA70.

Singleconductorwiringshouldbeplacedinrigidmetalconduit,seal-flexconduitorothermediumsapprovedforuseinthehazardouslocationsurroundingtheprotectedenclosure.Additionally,NFPA496requirestheuseofapprovedsealsonallpressurizedenclosureconduitwiringentries,inaccordancewithNFPA70.Furthermore,theuseofanapprovedsealissimplythemostpracticalwaytopreventexcessiveleakagethroughconduitconnections.

However,whileexplosionproofenclosuresrequireconduitsealsonallcableentries,inaccordancewithNFPA70.Othermethodsofsealedcableentriesthataresuitableforhazardouslocationscanbeused,suchascompressionglands.

Inconclusion,therearetwoprimarygoals.First,theinstallershouldensurethatallassociatedwiringandcableisprotectedbypressurizationorothermeans,suchasexplosionproofconduitorintrinsicsafetybarriers.Secondly,theinstallershouldensurethatallassociatedconduitandwirewaysaresealedtoconserveprotectivegas,unlesstheyareusedtosupplyprotectivegastootherenclosuresordevices.

Typical Enclosure Wiring Connections

Explosionproofdevice

Seal

Intrinsicallysafeorfiberopticdevice

Adjacentpressurized

device

Independentlypressurized

device

Intrinsicallysafeorfiberopticdevice

Seal

Conduit

Conduit

Conduit

Glandfitting

Cable

Seal

Pressurizedraceway

Protectedenclosureordevice


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Electrical Conduit1.Choosethelocationfortheenclosure’selectricalconduit

connection(s)basedontherequirementsonpage14,“ElectricalSupplyRequirements”.

2. Drillanddeburrenclosureconduitfittingholesintheprotectedenclosure.Mountthefittings.

3. Determineappropriateroutefortheenclosureelectricalandpoweralarmsignalconduit.

4. Measure,cutandthreadconduit,checkconduitfittoinsureproperseating.Fullyreamallconduit.

5. Installconduitandtightenallfittingstofittingmanufacturersspecifications.Secureconduittoappropriatestructuralsupportsasrequired.

6. Sealallconduitwithanapprovedcompoundpriortooperationoftheprotectionsystem.

WPS Style ConduitWPSstylesystemsprovideelectricalcontactsforaudibleorvisualalarmdevicesthatsignalalossofprotectedenclosurepressure.WPSstylesystemsarecalibratedtoalarmat0.50"forClassIIapplications.Theswitchesaresuitableforhazardous(classified)outdoorlocations.Wiringmustbeinstalledwithasealandconduitfittingssuitableforthearea.Alarmcircuitpowermaybederivedfromtheprotectedenclosurepowersourceoranintrinsicallysafealarmsignalsource.Allassociatedalarmdevicesmustbeprotectedbysuitablemeans(explosion-proof,purged,orintrinsicallysafe).

WPS Style Conduit Connection PartsFittingKitsCanBeFactoryFurnished

1. ForWPSstyleEXPpressurelossalarmswitchconnectedtoanenclosuremountedalarm,one(1)LCK(Lfittingconduitkit)orequivalentconduitelbow,couplingandsealfittings.

2. ForWPSstyleEXPpressurelossalarmswitchconnectedtoaremotemountedalarm,one(1)TCK(Tfittingconduitkit)orequivalentconduittee,couplingandsealfittings.

3. One(1)lot150#rating1/2”galvanizedoraluminumpipe.

HELPFUL HINTItmaybeimpracticaltopourallelectricalconduitsealspriortoinstallationinthefield.However,allconduitconnectionsmustbesealedforpropertestingandoperationoftheenclosureprotectionsystem.Therefore,theuseoftemporarysealssuchasductsealormaskingtapeforbenchorshoptesting,priortofinalfieldinstallationmaybeused.

LCK “L” Fitting Conduit Kit

TCK “T” Fitting Conduit Kit

WPS Style EXP Pressure SwitchWith Cover Removed

Switchbody

Setpointcalibration

screw

Groundingscrew

1/2"conduitport

Electricalswitch

contacts

Lowportsintered

vent

Highporttubefitting


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HELPFUL HINTSTheterm“Safe”pressureforpurposesofthismanualisdefinedas1.0inchofwatercolumnpressure.

Regulatormaybeinthelockedpositionuponarrival.Toadjustregulator,pullhandletooutwardposition.

Totestthevent’soperation,gentlyprodtheventflapperopenwithasoft-pointedobject,(example:eraserendofapencil)ensuringthattheventvalveworksfreely.Onverticallyconfiguredvents,thiscanbeaccomplishedfromwithintheprotectedenclosure.Sidemounted-90configuredventscanbetestedbyremovingtheconduitplugatthebottomofthemountingtee.Multipleoperationsrequireonlyonetestperdayifenclosureisnotopenedorleftunattended.

Set-up1.Closetheenclosurepressurecontrolregulatorfully,by

turningitcounterclockwise(CCW).

2. Removeallcombustibledustfromprotectedenclosure.

3.Checkoperationofenclosureprotectionvent(ifutilized).

4.Sealenclosure(s)andadjustenclosurepressurecontrolregulatorbyopeningslowlyclockwise(CW)toseta“safe”pressureontheenclosurepressureindicator.

NOTE:Ifpressuresettingisdifficulttostabilizeorset,seepage17,“TroubleshootingProcedures.”

5. Installandtightenallboltsonthepressurelossalarmswitch(ifutilized).Energizepowertoswitch(ifutilized)andtestthefunctionofthealarmsystem.

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.

OperationWiththeinertgassupplyconnected,enclosurepowerdeenergizedandalarmsystemenergized(ifutilized).

1.Carefullyreadstart-upinstructionnameplateonsystem.

2.Checkoperationoftheenclosureprotectionvent(EPV-3,ifutilized),openingitmanuallyseveraltimes.See“HelpfulHint”onthispage.

3.Removealltracesofcombustibledust.

4.Sealprotectedenclosure(s).

5.OpenenclosurepressurecontrolregulatorbyturningCWtosetenclosurepressureIndicatorat“safe”pressure,thepressurelossalarmswitchshouldthenactivatetosilencethealarmsystem(ifutilized).

6.EnsuretheprotectionsystemenclosurepressureIndicatormaintainsa“safe”pressureforone(1)minute.

7. Energizetheprotectedenclosurepower.

8.Ensuretheenclosurepressureindicatormaintainsa“safe”pressurebeforeleavingsystemunattended.

Enclosure pressure

gauge

Model identification

nameplate

Model 1001B-LPS Front View

Model 1001B-WPS Front View


regulator


regulator

Start - up instruction nameplate

EXP pressure loss alarm

switch

Enclosure pressure

gaugeModel

identification nameplate

Set-up & Operating Procedures


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Problem or Fault Possible Causes Corrective Action

Enclosurepressurecontrolregulatorwillnotholdasafe1.0inchpressure.

Leakagearoundgasketing,covers,seams,pipingandtubingconnections,conduitconnectionsandelectricalconduitsealsoftheenclosure.

Tightenenclosurelatches:Wheretighteningisnotfeasible,andgasketingmaterialsarenotpractical,holesorgapscanbeclosedwithsiliconesealantappliedfrominsidetheprotectedenclosure.

Enclosurepressureindicatorreadingisdifficulttostabilize.

Insufficientenclosureleakageoropeningoftheventuriorificeiscrimpedtosmall.

Removetheorifice,cutoffthecrimpedendandreamthetube,thenrecrimpandreinstallthetubetonoteeffect.Astubeisshortened,reamed,andrecrimped,sensitivitydecreases,allowingeasieradjustmentofsetpointontheenclosure.

Enclosurepressurelossalarmswitchdoesnotappeartobeoperating.

Pressureswitchisoutofcalibration Calibratebyslowlyadjustingcounterclockwisetodecreasethesetpoint,andclockwisetoraisethesetpoint.

(Donotattempttocalibratetheswitchuntilalleffortstomaketheswitchrespondproperlyhavefailed)

Problemspersists,orifthesystemdoesnotappeartobeoperatingproperly.

Persistingproblems ContactPepper+Fuchsapplications/customerservicedepartmentat330-486-0002

Thissectioncoversthemostcommonproblemsdocumentedwiththissystem.Anyproblemsnotcoveredinthissectionshouldbeaddresseddirectlytoourfactory.Pleaseaddressallserviceneedsto:

Pepperl+Fuchs, Inc. Customer Service Department


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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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Notes


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System Maintenance

Regular MaintenanceDraintheprotectionsystemregulatorfrequentlyandcleansystemwithnonsolventcleaningagentsonly.

Long-Term MaintenanceCalibratetheenclosurepressureindicatorto0inchesbyventingthepurgepressurereferenceportandtheprotectedenclosuretoatmosphereandadjustingthecalibrationscrewinthelowercenterportionoftheindicator’sface.

Fullyopentheenclosurepressurecontrolregulator,toblowoutanydepositsaroundthetipofthevalveandtoensurethattheenclosureprotectionventisoperatingproperly,thencarefullyreadjustsystemaccordingtotheset-upandoperatingproceduresonpage16.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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Date of installation _____________________________________________________

Unit serial #____________________________________________________________

Item ___________________________________________________________________

Customer P.O.# ________________________________________________________

Customer project# _____________________________________________________

Service ________________________________________________________________

Type __________________________________________________________________

Features ______________________________________________________________

Application ____________________________________________________________

Notes: _______________________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

Documents

INSTALLATION AND OPERATION MANUAL: MODEL … · acknowledges the use of NFPA 496 as a guideline ... tighten stem packing nut ... Model 1001B Installation and Operation Manual