nrg 16-40 nrg 17-40 nrg 19-40 nrg 111-40 · nrg 16-40 nrg 17-40 nrg 19-40 nrg 111-40 installation...

NRG16-40NRG 17-40NRG 19-40NRG111-40InstallationInstructions810590-03LevelElectrodeNRG 6-40LevelElectrodeNRG 7-40LevelElectrodeNRG 9-40LevelElectrodeNRG-40

GESTRASteamSystems

GESTRA

Contents

Usagefortheintendedpurpose..............................................................................................................4Safetynote.............................................................................................................................................4Danger...................................................................................................................................................4Attention.................................................................................................................................................4PED(PressureEquipmentDirective)........................................................................................................4ATEX(AtmosphèreExplosible).................................................................................................................4

ImportantNotesPage

ExplanatoryNotes

Scopeofsupply......................................................................................................................................5Description.............................................................................................................................................5Function.................................................................................................................................................6Systemcomponents...............................................................................................................................6Design....................................................................................................................................................6

NRG6-40,NRG7-40,NRG9-40,NRG-40,step.....................................................................5NRG6-40,NRG7-40,NRG9-40,NRG-40,step.....................................................................5Attention...............................................................................................................................................5Note.....................................................................................................................................................5Tools.....................................................................................................................................................5ExamplesofinstallationNRG6-40,NRG7-40,NRG9-40...............................................................6ExamplesofinstallationNRG-40..................................................................................................7Key.......................................................................................................................................................8

Installation

NRG6-40,NRG7-40,NRG9-40,NRG-40..................................................................................7Corrosionresistance...............................................................................................................................8Sizing.....................................................................................................................................................8Nameplate/marking.............................................................................................................................8Dimensions6-40,NRG7-40,NRG9-40............................................................................................9DimensionsNRG-40......................................................................................................................0

TechnicalData

NRG6-40,NRG7-40,NRG9-40.....................................................................................................NRG-40.........................................................................................................................................Key.......................................................................................................................................................4

Design

NRG6-40,NRG7-40,NRG9-40,NRG-40................................................................................3Key.......................................................................................................................................................4

FunctionalElements

3

Emergencyoperationofwater-levellimitingsystem..............................................................................5Attention...............................................................................................................................................5

EmergencyOperation

Danger.................................................................................................................................................7Disposal................................................................................................................................................7

Decommissioning

Wiring

NRG6-40,NRG7-40,NRG9-40,NRG-40................................................................................9Aligningterminalbox............................................................................................................................9Note.....................................................................................................................................................9Wiringdiagram.....................................................................................................................................0Attention...............................................................................................................................................Tools.....................................................................................................................................................

Contentscontinued

Page

BasicSettings

CANBus...............................................................................................................................................NodeID................................................................................................................................................Attention...............................................................................................................................................Factorysetdefaultvalues.....................................................................................................................Water-levellimitingsystem...................................................................................................................3FactorysetdefaultnodeIDs..................................................................................................................3Assigning/changingnodeID................................................................................................................3Attention...............................................................................................................................................3Settingcodeswitch..............................................................................................................................4

Commissioning

Wiringcheck.........................................................................................................................................5Applymainsvoltage..............................................................................................................................5

Operation

Low-levellimiterwater-levellimitingsystem........................................................................................5Note.....................................................................................................................................................5

Malfunctions

Faultfindinglistfortroubleshooting......................................................................................................6

Annex

Declarationofconformity......................................................................................................................7

4

ImportantNotes

Danger

Whenlooseningtheelectrodesteamorhotwatermightescape.Thispresentsthedangerofseverescalding.Itisthereforeessentialnottoremovetheelectrodeunlesstheboilerpressureisverifiedtobezero.Theelectrodeishotduringoperation.Thispresentsthedangerofsevereburnstohandsandarms.Installationandmaintenanceworkshouldonlybecarriedoutwhenthesystemiscold.Iftheinternalceramicinsulationbreaks,hotsteamcanescapethroughthelateralventholeontheelectrodebody.Thispresentstheriskofseverescalding.Donotstayneartheelectrodeduringoperation.

Usagefortheintendedpurpose

UselevelelectrodestypeNRG6-40,NRG7-40,NRG9-40andNRG-40inconjunctionwithlevelswitchNRS-40orNRS-40.onlyaslow-waterlevellimiters(low-levelalarms).

Safetynote

Theequipmentmustonlybeinstalledandcommissionedbyqualifiedstaff.Maintenanceandserviceworkmustonlybeperformedbyadequatelytrainedpersonswhohavearecognizedlevelofcompetence.

PED(PressureEquipmentDirective)

TheequipmentfulfillstherequirementsofthePressureEquipmentDirective(PED)97/3/EC.Applicableinfluidsofgroupand.WithCEmarking(apartfromequipmentaccordingtosection3.3).

Attention

Thenameplateindicatesthetechnicalspecificationoftheequipment.Donotcommissionoroperateequipmentwithoutanameplate.

ATEX(AtmosphèreExplosible)

AccordingtotheEuropeanDirective94/9/ECtheequipmentmustnotbeusedinexplosion-riskareas.

5

ExplanatoryNotes

Scopeofsupply

NRG16-40LevelelectrodetypeNRG6-40S.S.jointringD7 x 3mmtoDIN7603(madeof.430),brightannealedTerminatingresistor0ΩInstallationmanual



NRG111-40LevelelectrodetypeNRG-40S.S.jointringD33x39mmtoDIN7603(madeof.430),brightannealedTerminatingresistor0ΩInstallationmanual

Description

ThelevelelectrodeNRG...-40worksaccordingtotheconductivitymeasurementprinciple.TheNRG...-40isdesignedforuseinconductiveliquidstodetecttheminimumliquidlevel:Onelevelwithoneswitchpoint.TheNRG...-40isusedincombinationwithswitchingcontrollerNRS-40orNRS-40.orfurthersystemcomponents.NRG...-40inconjunctionwiththeassociatedcontrolequipmentconstitutesawaterlevellimiterwithperiodicself-testingroutine(SMARTfunction)inaccordancewithTRD604,sheetandandENregulations.TheleveldataaretransferredfromtheelectrodeNRG...-40tothecontrolunitviaaCANbususingtheCANopenprotocol.

6

Explanatorycontinued

Function

Theconductivityoftheliquidisusedtosignaltheliquidlevel.Someliquidsareconductive,whichmeansthattheyallowanelectriccurrenttoflowthroughthem.Forthesafefunctioningofthisdeviceaminimumconductivityoftheliquidtothemonitoredisrequired.Theconductivitymeasurementmethodcandetecttwoconditions:electroderodsubmergedorexposed,meaningswitchpointreached(orexceeded)ornotyetreached.Beforeinstallation,thelengthoftheelectroderodmustbecuttotherequiredswitchinglevels,e.g.cut-outoftheburnercircuitorinterruptionoftheburner-protectioncircuit.Thesystemincorporatesanadditionalelectrodethatprovidesautomaticmonitoringoftheelectricalresistancepathbetweenthemeasuringelectrodeandtheearth.Whenthemeasuredvaluefallsbelowtheadmissibleresistancevaluetheburnershutdownisendorsedbyinterruptionoftheburnerprotectioncircuit.Atregularintervals,thelevelelectrodeNRG...-40sendsadatatelegramtotheswitchingcontrollerNRS-40.ThedatatransferiseffectedbymeansofaCANbusaccordingtoDINISO898usingtheCANopenprotocol.OneswitchingcontrollertypeNRS-40orNRS-40.canbeusedfortwolevelelectrodesNRG...-40(low-levellimitingsystem).

Systemcomponents

NRS1-40Digitalswitchingcontrollerforlow-levellimiterNRG...-40Functions:Low-levelalarm(min)Dataexchange:CANbustoDINISO898usingCANopenprotocol.

NRS1-40.1DigitalcontrolequipmentforlevelelectrodesNRG...-40(lowwater),onelevelelectrodeNRG...-4(highlevel)andasafetytemperaturelimiterTRG5-6.../TRV5-40.Functions:minalarm,maxalarm,maxtemperature(freelyconfigurablecombinatons)Dataexchange:CANbustoDINISO898usingCANopenprotocol.

URB1,URB2ControlterminalanddisplayunitFunctions:Parameterizationandvisualdisplay(LCD)Dataexchange:CANbustoDINISO898usingCANopenprotocol

Design

NRG16-40,NRG17-40,NRG19-40:Screwed¾",ENISO8-.Fig.2

NRG111-40:Screwed",ENISO8-.Fig.3

7

NRG16-40,NRG17-40,NRG19-40,NRG111-40

TypeApprovalNºTÜV·SWB/SHWS·0-403EGBAF-MUC00038800ServicepressureNRG16-40,PN40 NRG17-40,PN63 NRG19-40,PN160 NRG111-40,PN3203bar g(464psig) 60barg(870psig) 00bar g(450psig) 83bar g(65psig)at38°C at75°C at3 °C at357°CConnectionScrewed¾"BSP,ENISO8-(NRG6-40,NRG7-40,NRG9-40)Screwed"BSP,ENISO8-(NRG-40)MaterialsTerminalbox:Diecastaluminium3.6(GAlSi8Cu3)Stem:S.S..457(X6CrNiMoTi7)Measuringelectrode:S.S..440(X5CrNiMo7)Electrodeinsulation:Gylon ®(NRG6-40,NRG7-40,NRG9-40)Electrodeinsulation:PEEK(NRG-40)Lengthssupplied500mm,000mm,500mm,000mm,500mm,3000mmSensitivityofresponse> 0.5µS/cmat5°C.Supplyvoltage8 – 36VDC(comingfromNRS-40/NRS-40.)Currentconsumption35mAFuseElectronicthermalfuseTmax=85 °C,hysteresisKHysteresis-KElectrodevoltageVss

DataexchangeCANbustoDINISO898,CANopenprotocolIndicatorsandadjustorsOne0-polecodeswitchfornodeIDandbaudratesettingsOnewirelink(forswitchingbetweenelectrodeandelectrode)ElectricconnectionMsensorconnector,5poles,A-coded,Msensorjack,5poles,A-codedProtectionIP65toDINEN6059Max.admissibleambienttemperature70 °CWeightapprox..5kg

TechnicalData

8

Corrosionresistance

Whenusedforitsintendedpurposethesafefunctioningoftheelectrodewillnotbeimpairedbycorrosion.

TechnicalDatacontinued

Sizing

Theelectrodebodymustnotbesubjectedtosharpincreasesinpressure.Weldsandflangesoftheelectrodearedesignedtowithstanddynamicloading(bendingandalternatingstress).Thedimensionalallowancesforcorrosionreflectthelateststateoftechnology.

Nameplate/ marking

Fig.1

Designationoftheequipment

TÜV . SWB / SHWS.02 - 403

0525

GESTRA AGMünchener Str. 77D-28215 Bremen

18-36 V DC0,5 µS/cm>

Betriebsanleitung beachten

See installation instructions

Voir instructions de montage

Tmax = 70 °C (158 °F)

IN/OUT: CAN-Bus

PN 63

PN 160

PN 40

PmaPmaxTmaTmax

NRG 17 - 40NRG 19 - 40

NRG 16 - 40

G 3 /4 1.4571 IP65

60 bar (876 psi)275 °C (527 °F)

32 bar (464 psi)238 °C (460 °F)

100 bar (1450 psi)311 °C (592 °F)

Node ID: _ _ __ __

VS-Nr.: 08 Mat-Nr.: 392084

0525

GB Reg. Design 2 053 113US Pat . 5 719 342, 5 805 052,Design 383 403

18-36 V DC0,5 µS/cm>

Tmax = 70 °C (133 °F )

IN/OUT: CAN-Bus

PmaxPmaxTmaxTmax

NRG 111 - 40

G 1 1.4529 IP65

180 bar (2611 psi)357 °C (675 °F)

Node ID: __ __ __

Münchener Str . 77, D-28215 Bremen

SER Nr.:

GESTRA AG

TÜV .SWB / SHWS . 02 - 403

Betriebsanleitung beachten

See installation instructions

Voir instructions de montage

9

P R O D U C TD E S I G N A W A R D

MIN

Fig.2

¾"BSP,ENISO8-

500,

00

0,

500,

000

,50

0,3

000

40

337.5

85

≥8

5

b=70


DimensionsNRG16-40,NRG17-40,NRG19-40

75

mm

A.

F.

0

P R O D U C TD E S I G N A W A R D

MIN

Fig.3

"BSP,ENISO8-

500,

00

0,

500,

000

,50

0,3

000

75

40

400

36

≥8

5

b=70

30


DimensionsNRG111-40

Bei Defekt ist hier Dampfaustritt möglich!If defective steam might escape here!En cas de d éfaut, de la vapeur peut s’échapper ici!

mm

A.

F.

Fig.6

Fig.4

Fig.5

Fig.7

N 8

N0

0.5

¾"BSP,ENISO8-

∅33

Design

NRG16-40,NRG17-40,NRG19-40

E

P

F GAB

CD

A.F.

Designcontinued

Fig.8

Fig.10 Fig.12

N 8

N0

0.5

"BSP,ENISO8-

∅40

NRG111-40

AB

CD

Fig.9

Fig.11

E

P

F G

4

30

∅ 58

0

A.F.

3

KK

1 2

H

1122

33

1 2 3 5 6 74 8 910ON

1 2 3 4 5

GESTRA Steam Systems

GESTRANRG 1...-40

MAX

MAX 70°C

MAX 95%

%

IP 65

FunctionalElements

Fig.13

MAX70 °C

MAX95 %

Fig.14

NRG16-40,NRG17-40,NRG19-40,NRG111-40

HIJI

KL

O

NM

4

A Electroderod

B Bore

C Spring

D Electrodetip

E S.S.jointringD7x 3mmtoDIN7603(madeof.430),brightannealed(NRG...-40)

E S.S.jointringD33x 39mmtoDIN7603(madeof.430),brightannealed(NRG-40)

F Seatingsurface

G Electrodethread

H ScrewsM 4

I Msensorconnector,5poles,A-coded,Msensorjack,5poles,A-coded

J Cover

K Wirelink(forselecting“Electrode”or“Electrode”)

L 0-polecodeswitchforsettingnodeIDandbaudrate

M Terminalstrip

N PEconnection

O Plug

P Thermalinsulation(providedonsite),d=0mm(outsideofthermalinsulationofsteam generatingunit)

Design/FunctionalElementscontinued

Key

5

Attention

Theseatingsurfacesofthestandpipeortheflangeprovidedonthevesselmustbeaccuratelymachined,seeFig.7,Fig.12.

Donotbendelectrodetipwhenmounting. Useonlyringjoint(ofstainlesssteel.430)D7x3(D33x39forNRG-40)

toDIN7603suppliedwiththeelectrode. Donotlagelectrodebodyabovethehexagonalsection,Fig.5,Fig.9. DonotinsulateelectrodethreadwithhemporPTFEtape. Donotscrewelectrodedirectlyintoascrewedsocket,Fig.6,Fig.11. Observemin.spacingwheninstallingtheelectrode,Fig.10,Fig.15,Fig.19.

Note

Fortheapprovaloftheboilerstandpipetherelevantregulationsmustbeconsidered. Refertopages6and7fortypicalinstallationexamples.

Tools

Open-endspannerA.F.7mm Open-endspannerA.F.4mm

Installation

NRG16-40,NRG17-40,NRG19-40,NRG111-40,step1

. ScrewelectrodetipDintomeasuringelectrodeA,Fig.4,Fig.8.. Carefullydeterminerequiredmeasuringlengthofelectrode.Observemin.length,Fig.2,Fig.3.3. MarklengthofelectrodetipD.4. UnscrewelectrodetipDfrommeasuringelectrodeAandcuttip.5. AftervisualinspectionscrewelectrodetipDintomeasuringelectrodeA.SlidespringCalong

electrodetipD,sothatitsbentendcompletelyentersintosmallboreB.

Hacksaw Flatfile,mediumcut

NRG16-40,NRG17-40,NRG19-40,NRG111-40,step2

.Checkseatingsurfaces,Fig.7,Fig.12. PlaceringjointEontoseatingsurfaceFofelectrode,Fig.5,Fig.93. Applyalightsmearofsiliconegrease(e.g.Molykote®)toelectrodethreadG.4. Screwlevelelectrodeintothreadsofflangeprovidedonvesselandtightenwith

a4mmopen-endspanner.Thetorquerequiredis160Nmwhencold,forNRG-40475Nm.5. Wheninstallingtwoelectrodestogetherinoneflangeinstallthefirstelectrodeasdescribedin4.

BeforemountingthesecondelectrodeundoplugO,removePEconnectionNandstripcablelugsfromtheboard.Screwinelectrode.SlightlytightenplugO.InstallPEconnectionNandinsertcablelugs.

Molykote®isaregisteredtrademarkofDOWCorningCorp.,MidlandMichigan,USA

6

≥0

∅

0

0

DN50

∅ 0

≤90°

12

34

56

8 9

0

DN00

Fig.17

≥DN0

≥DN0

4.54.5

0 ∅0

Fig.15 Fig.16

Fig.18

¾"BSP

¾"BSP

≥0

≤30

00

≥DN0

∅ 0

¾"BSP

≤ 90°

≥0

Installationcontinued

ExamplesofinstallationNRG16-40,NRG17-40,NRG19-40

≥0

3 4

12

57

8

9

!

"

"3

Cent

red

ista

nce

1

4

9

5

¾"BSP

7

G ¾


ExamplesofinstallationNRG111-40

Fig.19Fig.20

Fig.21

∅0

DN50

12

3

56

90

0

∅ 0

≤90°

4

8

≥0

≥DN0

≥DN0

"BSP

≥DN0

2

0

45°

max.

000

"BSP

Cent

red

ista

nce

8

1FlangePN40,DN50,DIN57 FlangePN40,DN00,DIN57

2Fortheapprovaloftheboilerstandpipewithconnectingflangetherelevantregulations mustbeconsidered.

3Venthole (Provideventholeasclosetotheboilerwallaspossible)

4Highwater(HW)

5Electroderodd=8mm

6ProtectiontubeDN80

7ProtectiontubeDN00

8Electrodedistance≥4mm

9Lowwater(LW)

0ReducerDIN66-,K-88.9 x 3.- 4.4x.6W!

!ReducerDIN66-,K-4.3 x 3.6- 48.3x.9W

"Solenoidvalve


Key

9

Wiring

NRG16-40,NRG17-40,NRG19-40,NRG111-40

ImportantNoteNotethatscreenedmulti-coretwisted-paircontrolcableisrequiredfortheBUSline,e.g.UNITRONIC®BUSCANxx...mmorRE-YCYV-flxx...mm.Prefabricatedcontrolcables(withconnectorandcoupler)forconnectingtheequipmentareavailableasaccessories.Thebaudrate(datatransferrate)dictatesthecablelengthbetweenthebusnodesandthetotalpowerconsumptionofthesensordictatestheconductorsize.

UNITRONIC®isaregisteredtrademarkofLAPPKabelwerkeGmbH,Stuttgart

. UndoscrewsHandremovehousingcoverJ.Fig.13. SlackenplugOwith7mmopen-endspannerbutdonotremove.Fig.14

Theelectrodeterminalboxcannowbeturnedthrough+/– 180°.

3. Turnelectrodeterminalboxintodesiredposition(+/– 80°).4. TightenplugOwith25Nm.5.SetnodeID(seesections“BasicSettings”and“FactorysetdefaultnodeIDs”).6. Re-attachhousingcoverJandfixitbyusingscrewsH.

Thebaudrateissetviaacodeswitch.Reducebaudifcableislongerthanspecifiedinthetable.Makesurethatallbusnodeshavethesamesettings.Toprotecttheswitchingcontactsfusecircuitwith.5A(anti-surgefuse)oraccordingtoTRDregulations(.0Afor7hrsoperation).Ifamax.cablelengthofmorethan125m(upto1000m)isdesired,makesuretomodifythebaudratesettingsaccordingly.PleaserefertoFig.26onpage24formoredetails.

S8 S9 S10 Baudrate Cablelength Numberofpairsandconductorsize[mm2]

OFF ON OFF 250kBit/s 125mxx0.34

Factorysetting

ON ON OFF 5kBit/s 50m xx0.5

OFF OFF ON 00kBit/s 335m xx0.75

ON OFF ON 50kBit/s 500monrequest,dependenton

busconfigurationOFF ON ON 0kBit/s 000m

ON ON ON 0kBit/s 000m

Aligningterminalbox

Note

Wirethecontrolcableaccordingtothewiringdiagramwithconnectorandcoupling.

0

NRG 1...-40

_

1 2 3 4 5

C L S C H +

C L HC

Ω24V DC

CAN - Bus

S

1122

33

1 2 3 5 6 74 8 9 10ON

Wiringcontinued

Wiringdiagram

e. g.UNITRONIC®BUSCANxx...

e. g.UNITRONIC®BUSCANxx...

Compensatingelectrode

ElectroderodCompensatingelectrode

Wirelink Codeswitch

Terminatingresistor0Ω,twistedpaircable.

UNITRONIC®isaregisteredtrademarkofLAPPKabelwerkeGmbH,Stuttgart

Fig.22

3

5 5 5 555

+- LC HCS

Couplerwithterminatingresistor0Ω

OperatingdeviceURB

CEPCentralearthingpoint

Connectorwithterminatingresistor0Ω

ControllerNRS...LRR...TRS...

LevelelectrodeConductivityelectrodeNRG...LRG...

TemperaturetransmitterTRV...

2 1 54634 1 52 1Screen

2Voltagesupply4VDC+

3Voltagesupply4VDC-

4CANDatalineCH

5CANDatalineCL

6Terminatingresistor0Ω

Wireequipmentinseries.Star-typewiringisnotpermitted! Interlinkscreensofcontrolcablessuchthatelectricalcontinuityisensuredand

connectthemoncetothecentralearthingpoint(CEP). InaCANbusnetworkthefirstandlastequipmentmustbeprovidedwitha

terminatingresistorof0Ω.Fig.22. TheCANbusnetworkmustnotbeinterruptedwhileoperating. Aninterruptionwillresultinhigh/lowlevelalarm!

Tools

Attention

Screwdriverforcrossheadscrews,size Screwdriverforslottedscrews,size.5,completelyinsulatedaccordingtoVDE0680 Open-endspanner7mmA.F.

Wiringcontinued

BasicSettings

CANbus

AlllevelandconductivitycontrollersandassociatedelectrodesareinterconnectedbymeansofaCANbusadoptingtheCANopenprotocol.Everyitemofequipmentfeaturesanelectronicaddress(NodeID).Thefour-corebuscableservesaspowersupplyanddatahighwayforhigh-speeddataexchange.TheCANaddress(NodeID)canbesetbetween1and123.TheequipmentisconfiguredatourworksandreadyforservicewithotherGESTRAsystemcomponentswithouthavingtosetthenodeID.IfseveralsystemsofthesamekindaretocommunicateinoneCANbusnetwork,besuretoassignonenodeIDforeachindividualsystemcomponent(e.g.controller).Refertothefollowingpagesformoredetails.

ThenodeIDsoftherespectivedevicesmustbesetmanually.Refertotheinstallation&operatingmanualoftheequipmentinquestion.

Node-ID

Factorysetdefaultvalues

Thelevelelectrodefeaturesthefollowingfactorysetdefaultvalues: Baudrate:250kB/s Sensitivity:0.5µS/cmNodeID:002Configuration:Levelelectrode1,wirelinkKsetleft.

Attention

NRS1-40 NRG16-40(1) NRG16-40(2) Reserved Reserved

X X+1 X+2 X+3 X+4

1 2 3* Factorysetting

Reservedarea

NRS1-40.1 NRG16-40(1) NRG16-40(2) 3rdLimiter 4thLimiter

X X+1 X+2 X+3 X+4

1 2 3* Factorysetting

Reservedarea

3

BasicSettingscontinued

1 2

H

1122

33

1 2 3 5 6 74 8 910ON

1 2 3 4 5

Fig.23

Attention

DonotassignthesamenodeIDtwicewithintheCANbusnetwork.

Assigning / changingnodeID

IfseveralsystemsofthesamekindaretocommunicateinoneCANbusnetwork,besuretoassignonenodeIDforeachindividualsystemcomponent(e.g.controller).. UndoscrewsHandremovehousingcoverJ.

. ChangecodeswitchLsettingsasrequired.Formoreinformationrefertopage4.

3. Re-attachhousingcoverJandfixitwithscrewsH.

KL

Water-levellimitingsystem

Thewater-levellimitingsystemconsistsofoneswitchingcontrollertypeNRS-40andtwolevelelectrodestypeNRG...-40.Beforestartingthesystemmakesuretoconfigureoneofthetwolevelelectrodesaslevelelectrode2. SetwirelinkKoncircuitboardtotheright(electrode2),Fig.14 SetcodeswitchLaccordingtothetable"NodeID"

(example:003*).FormoreinformationseeFig.24and25onpage4.

FactorysetdefaultnodeIDs

NRS 1-40 ID: 001NRS 1-40.1 ID: 001NRS 1-41 ID: 006NRS 1-42 ID: 020NRS 2-40 ID: 039NRR 2-40 ID: 040LRR 1-40 ID: 050

NRG 16-40 ID: 002NRG 16-40 ID: 003NRG 16-41.1 ID: 004TRV 5-40 ID: 005NRG 16-41 ID: 007NRG 16-42 ID: 021NRG 26-40 ID: 041LRG 16-40 ID: 051

SwitchingController LevelElectrode

4

1 2 3 5 6 74 8 9 10ON

1 2 3 5 6 74 8 9 10ON

BasicSettingscontinued

Settingcodeswitch

Fig.24(Factorysetting) Fig.25(Levelelectrode2)

Fig.26(Factorysetting250kBit/s)

ONNodeID

S ONS OFFS3 4OFFS4 8OFFS5 6OFFS6 3OFFS7 64

OFFNodeID

S ONS OFFS3 4OFFS4 8OFFS5 6OFFS6 3OFFS7 64

2 3

BaudrateS8 S9 S050kBit/s

Cablelength5mOFFONOFF

OFF 5kBit/sONON 50mON 00kBit/sOFFOFF 335mON 50kBit/sOFFON 500mON 0kBit/sONOFF 000mON 50kBit/sONON 000m

L L

5

ApplypowertoswitchingcontrollerNRS-40orNRS-40..

Commissioning

MakesurethatthelevelelectrodeNRG..-40isproperlyconnectedtotheswitchingcontrollerNRS-40orNRS-40.accordingtothewiringdiagram,Fig.22

Wiringcheck

Applymainsvoltage

Attention

IfonelevelelectrodefailstooperatetheinstallationcancontinuetooperateinemergencymodeunderconstantsupervisionaccordingtoTRD40withonelevelelectrode.

.UndoscrewsHandremovehousingcoverJ,Fig.13. SetwirelinkKoftheworkingelectrodetotheleft(electrode1),Fig.143. SetnodeIDoftheworkingelectrodeto“002”,Fig.14,Fig.244. AttachhousingcoverJandtightenscrewsH.

Enterbeginningofemergencyoperationintheboilerlog. Aninstallationoperatinginemergencymodehastobeconstantlysupervised. Immediatelyreplacefaultylevelelectrode. Enterendofemergencyoperationintheboilerlog.

Operation

UseincombinationwithswitchingcontrollerNRS-40orNRS-40.inpressurizedhot-waterplantsandsteamboilersworkinginaccordancewithTRD40,TRD60,TRD604,EN95,EN953orothernationalregulations.

EmergencyOperation

Water-levellimiter,water-levellimitingsystem

Emergencyoperationofwater-levellimitingsystem

Note

Toanalyseandeliminatemalfunctionsuse“Faultfindinglistfortroubleshooting”onpage6!

6

Malfunctions

Faultfindinglistfortroubleshooting

Equipmentfailstowork–Indicationofamalfunction

Fault: Inspiteofcorrectwiringandcommissioningoftheequipmentaninterferencesignalisindicated.

Remedy: TheinterferencesignaliscausedbyH.F.interferencescomingfromtheinstallation.Forinterferencesuppressionofthevoltagesupplywesupplyferriterings,stockcode4753.The30Vsupplylinesshouldbeloopedthroughtheferriteringfivetotentimes.Ifseveralcontrollersareusedinthesystem,theycanbefedfromtheinterferencesuppressedsupplylines.Fortheinterferencesuppressionofthebuslinewesupplyhinged-shellferriterings,stockcode4754.Thehinged-shellferriteringsareclampedontothebuslineclosetotheterminalstripofthecontroller.

Levelelectrodesubmerged–Low-levelalarm

Fault: Mainsvoltagenotapplied.Remedy: Applymainsvoltage.Connectelectrodeaccordingtowiringdiagram.

Fault: Thermalfusehasbeentriggered.Remedy: Theambienttemperaturemustnotexceed70 °C.

Fault: Theelectrodehousingdoesnothaveearthconnectiontotheboiler.Remedy: Cleanseatingsurfacesandinsertmetaljointring (ofstainlesssteel.430)D7x3toDIN7603. DonotinsulatelevelelectrodewithhemporPTFEtape.

Fault: NodataexchangewithCANbus.Remedy: CheckswitchingcontrollerNRS-40.Connectlevelelectrodeaccordingto wiringdiagram.

Fault: Theinternalinsulationoftheelectroderodisdamaged.Remedy: Replacelevelelectrode.

Levelbelow“Lowwaterlevel”–nofunction

Fault: Theelectroderodshaveearthcontact.Remedy: Changeinstallationposition.

Fault: Theventholeintheprotectiontubedoesnotexist,isobstructedorflooded.Remedy: Checkprotectiontubeand,ifnecessary,provideventhole.

Fault: Theisolatingvalvesoftheexternalmeasuringpot(optionalitem)areclosed.Remedy: Openisolatingvalves.

Iffaultsoccurthatarenotlistedaboveorcannotbecorrected,pleasecontactourservicecentreorauthorizedagencyinyourcountry.

7

Declarationofconformity

Annex

WeherebydeclarethattheequipmentNRG16-40,NRG17-40,NRG19-40andNRG111-40conformtothefollowingEuropeanguidelines: LVguideline73/3/eecversion93/68/eec EMCguideline89/336/eecversion93/68/eec ATEXDirective94/9/ECof3March994 PressureEquipmentDirectivePED97/3/ECof9thMay997(providedthattheequipmentisnot excludedfromthescopeofthisdirectiveaccordingtosection3.3)

Appliedconformityassessmentprocedure:AnnexIII,ModuleBandD,verifiedbythenotifiedbody055.

Thisdeclarationisnolongervalidifmodificationsaremadetotheequipmentwithoutconsultationwithus.

Decommissioning

Danger

Riskofsevereburnsandscaldstothewholebody!Beforeremovingthelevelelectrodemakesurethatthevesselandthemeasuringpotaredepressurised(Obar)andcooleddowntoroomtemperature(0 °C).

Disposal

Removethelevelelectrodeandseparatethewastematerialsinaccordancewiththematerialspecification.Electroniccomponents(boards)mustbedisposedofseparately.Forthedisposalofthelevelelectrodeobservethepertinentlegalregulationsconcerningwastedisposal.

Bremen,3rdJanuary005GESTRAAG

Dipl.-Ing.LarsBohl(Academicallyqualifiedengineer)

QualityAssuranceManager

Dipl.-Ing.UweBledschun(Academicallyqualifiedengineer)

HeadoftheDesignDept.

880590-03/06cm·© 000GESTRAAG·Bremen·PrintedinGermany

GreatBritain

FlowserveFlowControl(UK)Ltd.BurrelRoad,HaywardsHeathWestSussexRH6TLTel. 0044444/34400Fax 0044444/34557E-mail: [email protected]

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