Deaerating Equipment - Nexus Valve

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© 2014 Flamco group. All rights reserved. We reserve the right to change designs and technical specifications of our products. Rev 4.0 Mar-16 / 35

Deaerating Equipment Nexus PSD

Operation & Maintenance Manual

Rev3.0

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Customer Details

Please fill in information future reference:

Company: Contact:

Address: Tel No:

Fax No:

Post Code: E-mail:

Equipment Details

Details of model and serial number may be found on the label

Model: Serial No:

Purchase date: Purchased From:

Note:

Acompetentandqualifiedmechanicalcontractormustbeusedtoinstall,commissionandservicethisequipment.ThisOperation&Maintenancemanualmustbefollowed.

ForfurtheradviseoninstallationpleasecontactNexusValve[1-888-900-0947-www.nexusvalve.com]

Remembertofillininstallationandcommissioningdetailsforfuturereference.

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Commissioning Record

DigitalController AsFound OnCompletionStartPressure PSIStopPressure PSI

AlarmPressure PSINormalMinutes Mins

TurboHours HoursTimeoutMinutes Mins

PurgeSeconds SecsPumpCount PumpHours AlarmCount

PowerInterrupted PumpsSense Y/NTurboMode Y/N

ServiceReminder Y/NIDNumber

Contractor Signature: Date: / /

Customer Signature: Date: / /

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Contents

CustomerDetails...............................................................................................................................................................................................2

EquipmentDetails.............................................................................................................................................................................................2

CommissioningRecord......................................................................................................................................................................................3

AboutthisManual.............................................................................................................................................................................................5

ConventionsusedinthisManual.................................................................................................................................................................5

Typography...................................................................................................................................................................................................5

WheretofindmoreInformation..................................................................................................................................................................6

EquipmentOverview.........................................................................................................................................................................................6

PrincipalofOperationVacuumDeaerator...................................................................................................................................................7

Installation/Capacity.........................................................................................................................................................................................8

PipeConnections..........................................................................................................................................................................................8

TypicalInstallationDiagramVacuumDeaerator..........................................................................................................................................9

FloorStandingClearanceandConnectionRequirements...............................................................................................................................10

ElectricalPowerSupply..............................................................................................................................................................................11

FaultContacts.............................................................................................................................................................................................12

Commissioning................................................................................................................................................................................................13

Pre-CommissioningChecklist.....................................................................................................................................................................13

ControllerOverview...................................................................................................................................................................................14

DeaeratorControllerProgramming...........................................................................................................................................................15

PurgeSecondsReferenceTimes............................................................................................................................................................16

HydraulicCommissioning...........................................................................................................................................................................17

Operation........................................................................................................................................................................................................19

Forpracticalguidanceondiagnosingandrectifyingfaults,pleaserefertotheTroubleshootingsectionofthismanual.........................19

DeaeratingFaultCodes..............................................................................................................................................................................19

Troubleshooting..............................................................................................................................................................................................21

Maintenance...................................................................................................................................................................................................22

Wiringlocationlist..........................................................................................................................................................................................25

Spares..............................................................................................................................................................................................................26

ElectricalItems...........................................................................................................................................................................................26

DeaeratorUnit................................................................................................................................................................................................27

ServiceLog......................................................................................................................................................................................................28

WarrantyStatement.......................................................................................................................................................................................30

WarrantyDetails.............................................................................................................................................................................................31

Notes...............................................................................................................................................................................................................32

Notes...............................................................................................................................................................................................................33

Notes...............................................................................................................................................................................................................34

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About this Manual

ThisOperationandMaintenanceManualcontainsallthenecessaryinformationtoinstall,commission,operateandmaintainVacuumDeaerationequipment.

Itisrecommendedtoreadallpartsofthismanualbeforeundertakinganyworkontheequipment.

ConventionsusedinthisManualThismanualmakesuseofsymbolstoidentifykeypiecesofinformation.Pleasetakenoteofthefollowingsymbolsandtheirmeaning:

DANGER–Importantsafetyrelatedinformationintendedtopreventinjuryand/ordamagetotheequipment,systemorproperty.

CAUTION-Importantinformationintendedtopreventdamagetotheequipment,systemorproperty.

IMPORTANT-Importantinformationintendedtoensurethattheequipmentfunctionscorrectly.

USEFUL–Usefulinformationwhichmaybehelpful,butisnotnecessarilyrequiredfortheunittofunctioncorrectly.

TypographyThismanualmakesuseofdifferenttypographytoidentifydifferenttypesofinformation.

Italics Keywordsandphrases(RoundBrackets) Usedtoidentifyabuttononthedigitalcontroller[SquareBrackets] Aparameteronthedigitalcontroller<InequalitySymbols> Amessage/faultcodedisplayedonthedigitalcontroller

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WheretofindmoreInformation

ForfurtherinformationpleasevisittheNexusValveWebsiteatthefollowingURL:

www.nexusvalve.com

Alternatively,pleasecontacttheNexusValveofficesusingthedetailsbelow:

Phone: 1-888-900-0947Email: [email protected]

Equipment Overview

Thefunctionofthisequipmentistoprovideameansofdissolvedairremovalfromthewaterusedinsealedheatingandcoolingsystems.

Thisequipmentisnotdesignedtocopewithsuddenlossesofsystempressure(e.g.manualdraining)ormajorwaterlosses(e.g.largeleaks).Theequipmentisalsonotintendedtobeusedforwaterboostingapplications.

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PrincipalofOperationVacuumDeaeratorThefollowingschematicshowstheinternalarrangementofaVacuumDeaeratingunit:

WaterisallowedintotheVacuumcylinderthroughasafetysolenoid(13),apressurereducingvalve(14)andaspecialvariablebypassvalve(15).

Thepressurereducingvalve(14)isusedtolimitthewaterheldwithinthevacuumcylindertoapproximately18PSI.Thisisseenasthefirstpressurestep.

Whenthevacuumcylinderisfullandregisteringasuitablestartpressure(8b)thepumps(9a/9b)activate.Atthesametimethespecialvariablebypassvalve(15)opensfullytoallowthecylinderwatertobecompletelyflushedbackintothesystembythepumps(9a/9b).Thispurgecycleensuresthatthemaximumpossibleamountofaeratedwaterwillbeexposedtothevacuumprocess.

Afterthevacuumcylinderhasbeenrefreshed,thevariablebypassvalve(15)restrictstheflowintothevacuumcylinder.Thepumps(9a/9b)continuetodrawwateroutofthecylinderandcreateavacuumwithinthecylinder.Thepumps(9a/9b)thenstopaftera5seconddwellperiod.

Thevacuumcreatedwithinthecylinderiserodedbytheincomingwaterthroughthevariablebypassvalve(15) atalowflowrate,thisgentlyincreasesthepressurewithinthecylinderandforcesthereleasedairpocketoutthroughtheAutomaticAirVent(AAV)ontopofthecylinder.

Theequipmentisconnectedtothemainsystemvia2isolationvalves(7a/7b)andbackflowfromthesystemispreventbyanon-returnvalve(10a).

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Installation

Thisunitisnotdesignedtobeinstalledinanoutdoorenvironment.Theunitmustbeinstalledinafrostfreeenvironment,awayfromprecipitationandwatersprays/jets.Ifthereisariskofflooding,theunitmustbeinstalledonaraisedheavysupportingbase.

Pleaserefertotheappropriatedatasheetforthemaximumworkingpressureandtemperatureofthepressurizationunit.Theconditionsatthepointofconnectiontothesystemmustnotexceedthesevalues.

UnitCapacityOneFPSD-250Dcanhandleasystemupto39,625gallonsofsystemvolume.Consultfactoryfor

Largervolumes.

PipeConnections

Whereapplicable,toavoiddamagingthefloatvalve,themainswatersupplypipemustbeflushedbeforeconnection.

Deaeratingconnections(2of)tothereturnheadermustbemadeinthehorizontalplanetopreventfloatingorheavydebrisenteringthepipeworktothisequipment.

ü üû ûAllpipeconnectionsmustbemadewithappropriatejointingcompound/PTFEtape.IfPTFEtapeisused,caremustbetakentoensurethatthetapedoesnotobstructtheorificeofthefitting.

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TypicalInstallationDiagramVacuumDeaeratorInstallPSDunitonvibrationpador4rubberisolatorpads2“thick.

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Floor Standing Clearance and Connection Requirements

Reference

Connection Size Notes

SystemConnections

2x½”NPT(ISO)

CONNECTIONKITINCLUDED

Thepointofconnectionshouldbeinthesystemreturn,onthesuctionsideofthecirculationpump.Non-returnvalves,pressurereducingvalvesandRPZvalvesmustnotbeused.

Minimum20”

Minimum6”

Minimum31.5”

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ElectricalPowerSupplyThisequipmentmustbeelectricallyisolatedbeforeremovingthecovers.Cablesconnectedtothevoltfreecontactsmaybesuppliedfromanothersourceandmayremainliveaftertheunitisisolated.Thesemustbeisolatedelsewhere.Allelectricalconnectionsmustbecarriedoutbyasuitablyqualifiedandcompetentperson.

Themainspowersupplytothepressurizationunitmustbeconnectedintothefusedterminalblockasshownbelow:

ItisrecommendedtosupplypowertotheDeaerationunitviaalockabledisconnect.Thisshouldbeinstalledwithin78”oftheequipment.

Thisequipmentcanbedamagedbythehighvoltagesproducedbyelectricalinstallationtestingequipment.Whenperformingelectricalinstallationtests,theequipmentmustbeisolatedfromthesupply.

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FaultContactsThereare3voltfreefaultcontactwhichcanbeusedforconnectiontoaBMSsystem,orasaninterlock.ThereistheCommonAlarmcontactonterminals1&2,theSensorHealthcontactonterminals3&4andthePumpHealthcontactonterminals7&8.

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Commissioning

Itishighlyrecommendedtohavethisequipmentcommissionedbyatrainedapprovedmechanicalcontractor.Anydamageorlossincurredthroughincorrectcommissioningbyanunapprovedcontractorwillnotbecoveredbythewarranty.

Pre-CommissioningChecklistThefollowingconditionsmustbemetbeforestartingthecommissioningprocess.Failuretomeettheseconditionsmayresultininjuryordamagetotheequipment,systemandproperty.

Equipmentislocatedinafrostfreearea,awayfromprecipitationandwatersprays/jets

Allnecessarypipe/electricalconnectionshavebeenmadetoasatisfactorystandard

Thetemperatureandpressureatthepointofconnectionarewithintheoperatinglimitsoftheequipment.

Theheating/coolingsystemisfittedwithasafetyreliefvalveandappropriatelysizedexpansionvessel

Thefollowingconditionsmustbemetfortheequipmentandheating/coolingsystemtofunctioncorrectly.Iftheseconditionshavenotbeenmet,itisnotadvisabletoproceedwiththecommissioningprocess.

Thesystemconnection(s)havebeenmadeintothesystemreturnheader/pumpsuction

Itisadvisabletofilltheheating/coolingsystempriortocommissioning.

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ControllerOverviewThefollowingimageshowsthefrontofthePSDunitdigitalcontroller.Fourbuttonsareprovidedforprogramming,andanLEDdisplaywhichshowsscrollingmessages.

Whenthecontrollerisfirstpoweredup,itwilldisplaythecontrollerversionnumber.Thismanualrelatestocontrollerversion6.3.Ifthecontrollerisofadifferentversion,theremaybedifferencesinthemenuitemsavailable.

Wheninnormaloperation,thecontrollerwilldisplaythecurrentinternalpressureoftheunit.Ifafaultoccurs,thecontrollerwilldisplayafaultcodeandproduceanaudiblealarm.

Innormaloperation,thefunctionsofthebuttonsareasfollows:

Button FunctionPress Hold

SET - ShowCurrentSystemPressureMUTE MuteAudibleAlarm ResetUnit

+ - EnterProgrammingMenu- - -

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DeaeratorControllerProgrammingDonotalteranysettingswithoutfirstunderstandingtheimplicationsofdoingso.Incorrectsettingsmaycausedamagetotheequipment,systemorproperty.

Toentertheprogrammingmenu,holdthe(+)buttonuntil“entercode”appearsonthescreen,followedby“0000”withaflashingcursorafterthefirstdigit.

Togainaccesstotheprogrammingmenu,oneofthefollowingcodesmustbeentered:

CustomerCodeismostcommonlyusedforsetup.

CustomerCode Standardsetofoptions 2601EngineerCode Extendedsetofoptions 4706

Toenterthecode,changethefirstdigitwiththe(+)and(-)buttons,thenpress(SET)tomoveontothenextdigit.Repeatforalldigits,thenoncethecorrectcodeisshownonthedisplay,press(SET)toentertheprogrammingmenu.

Onceacorrectcodehasbeenentered,thefirstoption[STARTPRESSURE]willappearonthescreen.

Onceinthemenu,thevalueofthecurrentmenuitemcanbechangedusingthe(+)and(-)buttons.Oncethecurrentvaluehasbeenset,pressingthe(SET)buttonwillmoveontothenextoption.

Itisnotpossibletonavigatebackwardsthroughthemenu.Toreturntoaprevioussettinginthemenu,pressthe(SET)buttonrepeatedlytoscrollthroughtotheendofthemenu,andthenre-entertheappropriatecode.

Ifthecontrollerlosespowerwhileintheprogrammingmenu,allchangesmadewillbeerased.Toconfirmallchanges,theendofthemenumustbereached,andthe“SAVING...”messagemustbedisplayed.

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Thetablebelowgivesdetailsofallmenuitems,intheorderthattheywillappear:

# MenuItem Function DefaultValue

1 StartPressure InternalSafePressureWithinTheVacuumCylinderForThePumpsToStartCirculatingWater 14PSI

2 StopPressure InternalStopPressureForThePumps,RequiredVacuumPressure

0PSI(LTHWSystems)

-7PSI(CHWSystems)

3 AlarmPressure InternalHighPressureAlarmSetting,ToActivateTheSlam-shutSolenoidValve 58PSI

4 NormalMinutes NormalIntervalBetweenPumpRuns(De-aeration) 60MINS5 TurboHours RunningTimeForTurboModeBeforeReturningToNormal 168HRS

6 TimeoutMinutes TimeLimitForVacuumGenerationOrRestorationOfInternalPressure(ErrorChecking) 10MINS

7 PurgeSeconds TimeSettingForWaterToBeRe-circulatedIntoTheMainSystem,TakingAFreshSample 20SEC

8 PumpCount PumpActivationCounter(Logging) -9 PumpHours PumpCumulativeHoursRunCounter(Logging) -10 AlarmCount CumulativeAlarmCounter(Logging) -

11 PowerInterrupted CumulativePowerOffCounter(Logging) -

12 PumpSense

Disablingthisoptionwillstopthecontrollerfrommonitoringthepumpsandgenerating<PUMPFAIL>faults.Itisnotrecommendedtodisablethisoption.PleaseconsultTechnicalSupportbeforedoingso.

y

13 TurboMode ActivationOptionForTurboMode(CommissioningSetup) Y14 Service 12MonthServiceReminder Y15 IDNumber ProtocolIDNumber 55

Ifusingthecustomercode,themenuitems12and15arenotdisplayed.

Theabovesettingsareallpre-programmedinthefactoryandshouldnotneedtobemodifiedonsitewiththeexceptionofthe‘PurgeSeconds’settingwhichissystemdependent.Ifthesesettingsappeartohavebeenreset,themostlikelycauseisapowerspike.Ifthisproblempersists,apowerfiltermayberequired.

PurgeSecondsReferenceTimes

MainSystemPressure PurgeTime14to42PSI 20seconds43to87PSI 30seconds87to145PSI 40seconds

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HydraulicCommissioning

1-VentingtheVacuumCylinder

Checktheredcapontheairintakepreventerisfingertight.

Donotunscrewtheredcapcompletely.Insideisaglassbeadandspringthatpreventairbeingdrawnintotheequipmentatthispoint.Withoutthespringandthebeadsthisdevicewillnotfunctioncorrectlyandtheequipmentasawholewillbeunusable.

WiththeequipmentelectricallypowereddownremovethecoilfromthetwoInletsolenoids

Becarefulnottomixupthecoilswhendisconnected.Failuretopairthecorrectcoilwiththecorrectvalvewillstoptheunitfromworking.

WiththecoilsdisconnecteduseapairofDanfossoverridemagnets(018F0091Danfosspartnumber)tomanuallyopenbothofthesolenoidvalves.Thisallowstheexistingsystempressuretofillthevacuumcylinderforthefirstrun.

Removetheoverridemagnets,returnthecorrectcoiltothecorrectvalveandelectricallyswitchtheuniton.Ifthepressureshownonthede-aeratordisplayisbelowthestartpressureoftheequipmentitmaybenecessarytoadjustthepressurereducingvalveinbetweenthetwoinletsolenoids.Asettingonthepressurereducingvalve2to4PSIhigherthanthestartpressureisacceptable,anylowerthanthisandtheequipmentmaybecomeintermittentinoperation.

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IftheDanfossmagnetsarenotavailablethenitispossibletoventthecylinderthroughtheinternal0.04”/1mmbypass,althoughthismaytakeaconsiderableamountoftime.Thealternativetothisistotemporarilyputlivepowerdirectlytothesolenoidcoilstoforcethevalvestoopen.

2-BleedingthePumps(ifrequired)

Locatethebleedscrewonthepump.Thefollowingdiagramsshowexamplesoftypicalbleedscrewlocationsformostpumps:

Donotuseexcessiveforcewhentighteningthebleedscrewasthismaydamagethepumpcasing.

Ifthepumphasaplasticbleedscrewliketheoneshownbelow,donotuseexcessiveforceorattempttouseanytoolstoturnitasthismayirreparablydamagethepumpcasing.

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Operation

Oncecommissioned,theDeaeratingunitshouldoperatewithoutanyuserintervention.

Forpracticalguidanceondiagnosingandrectifyingfaults,pleaserefertotheTroubleshootingsectionofthismanual.

DeaeratingFaultCodes

FaultCode Description Auto/ManualReset

Error Incorrect password (Code) entered. AutoResetHigh Pressure High system pressure, audible alarm sounds. The Safety

Solenoid closes. This alarm will self-reset when the system pressure returns to normal, audible alarm can be silenced by pressing “mute”.

AutoReset

Insufficient Vacuum The low water switch has been activated, either a leak has occurred or the air non return valve has failed or is missing. ManualReset

Pump FAIL Pumps have failed, the pump failure relay closes. The boiler interlock opens, the audible alarm sounds. ManualReset

Timeout

Either the pumps have run for too long or the pressure has not reached the required start pressure for the pump within the time limit. Check the internal filter on the PRV and the solenoid valves for obstruction.

ManualReset

Service The unit has been in service for 12 months and a routine inspection is due (User option in menu). ManualReset

ShutdownProcedure

Thedeaerationunitmustbeshut-downduringanyofthefollowingscenarios:

• Workisbeingcarriedoutonthesystem.• WorkisbeingcarriedoutontheDeaeratingunit.• Theheating/coolingsystemisbeingflushed.

Toshutdowntheequipment,pleasefollowthestepsbelow:

1. Isolatetheelectricalpowersupplytotheunit.

2. Isolatetheunitfromthesystemusingtheisolationvalves.

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Start-UpProcedure

Attention–Thisprocedureisforrestartingtheunitafterbeingshutdown(asdescribedabove).Forinitialstart-upandcommissioningprocedures,pleaserefertotheCommissioningsectionofthismanual.

Torestarttheunit,pleasefollowthestepsbelow:

1. Performavisualinspectionoftheunitandinstallationtocheckforsignsofdamage.

2. Opentheisolationvalves.

3. Turnonthemainspowersupplyandwaitforthecontrollertostart.

4. Dependingontheconditionsinthesystem,theunitmaydisplayoneormorefaultcodesatthispoint.Ifthishappens,pleaserefertotheTroubleshootingsectionofthismanualforguidance.

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Troubleshooting IfforanyreasontheDeaeratingunitdoesnotseemtobefunctioningcorrectly,pleaserefertothetablebelowforalistofsolutionstoknownproblems.

Symptom Problem Solution

High Pressure

Theinternalpressurewithinthevacuumcylinderhasreachedthehighpressurealarmlimit,probablyduetothepressurereducingvalvebeingcontaminatedwithdebris.

Thesafetysolenoidvalvewillautomaticallycloseandthesystemwillattempttoself-resetduringthenextDeaeratingcycle.RepeatedHighpressurealarmswillrequirethepressurereducingvalvetobeinspectedandcleaned.

Insufficient Vacuum

TheVacuumcylinderisfullofairandthelowlevelswitchisstoppingfurtherpumpactivationtopreventthepump(s)runningdry.Thereisanairleakonthecylinder,thebypasssolenoidiscontaminatedwithdebrisortheairintakepreventeriscontaminatedwithdebris

Cleantheairintakepreventer,andtesttheunit.Ifthisfailsthencheckthebypasssolenoidandpipeworkforcontamination.Finallyreplacingtheautomaticairventassemblyisthebestcourseofaction.

Pump FAIL Thepumpisdrawingeithertoomuchcurrentornotenough,signifyingamechanical/electricalfailure.

Checkthecontrollersettingsfirsttoensurethatthecorrectpumpisbeingmonitored,alternativelyreplacethepump.

Timeout (1) Thevacuumcylinderhasnotbeenabletoreturntothestartpressureintheallottedtime

Checkthebypasssolenoidvalveisnotblocked(0.04”/1mmbypasshole),replaceifrequired.Checkthesettingonthepressurereducingvalveandtheinternalfilterofthepressurereducingvalve.

Timeout (2) Therequiredvacuumhasnotbeengeneratedintheallottedtime

Checkthepumpoperationandthatthesystempressureiswithintheoperationalpressuresoftheequipment.ReplacethePumpasrequired.

Checkthebypasssolenoidisfunctioningcorrectlyandclosingafterthepurgecycle.

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Maintenance

Duetovariationsinoperatingconditions,andthevaryingloadsplacedonequipment,itisnotfeasibletoprovideaccuratepredictionsofcomponentlifespan.Themosteffectivemethodofmaintenanceistoinspectthepressurisationunitforearlysignsofcomponentfailureandtakeactionaccordingly.

Thefollowingmaintenanceproceduresshouldbeperformedatleastonceayear:

VisualInspection

Abasicvisualinspectionwillhighlightthemajorityofpotentialfaultsonthisequipment.Itisrecommendedtoperformavisualinspectionannually.However,duetothesimplicityofperformingthesechecks,frequentinspectionsareencouraged.

• Checkthedigitaldisplayforfaultcodes• Checkforsignsofleakage(e.g.water,mineraldeposits,corrodedcomponents/cabinet)• Checkflexiblehosesforsignsofdegradation(e.g.cracks)

IntegratedControl

Thedigitalcontrolkeepsalogofthenumberofpumpstartsandtotalhoursrunforeachpump,aswellasthenumberofalarmactivationsandpowerinterruptions.Itisadvisabletotakeanoteofthesefigureswhenservicingtheunit,astheymaybehelpfulindiagnosingpotentialissues.Fieldsareprovidedintheservicelogforthesefigures.

Itisadvisabletoscrollthroughallthesettings(includingengineerssetting)andcheckthemagainstthefiguresonthecommissioningreport.Ifthereareanydiscrepancies,checkfirstwithon-sitestafftoseeifthechangesaredeliberate.Ifnot,reconfigureappropriately.

Ifsettingsarepersistentlybecomingcorrupted,apowerfiltermayberequired.PleaserefertotheInstallationsectionofthismanualformoreinformation.

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TestUnitOperation

CheckPRVStrainer

ThePressureReducingValve(PRV)isfittedwithameshstrainerbeneaththebrasshexagonbush.Thisshouldberemovedandinspected.Dependingonthecondition,thispartmayneedtobecleaned.

CheckSystemExpansionVesselPre-Charge

Manyoftheproblemsexperiencedwithsealedsystemequipmentcanbetracedbacktotheexpansionvessel.

Theexpansionvesselpre-chargepressuremustbecheckedafter2yearsandannuallythereafter.

Toperformthistest,theexpansionvesselmustfirstbedrainedofwater,thenagaugecanbeconnectedtotheSchradervalveonthevesseltomeasurethepre-chargepressure.Thepre-chargeshouldbeequaltothe[COLDFILL]pressuresetting.

Thepressurecanbeincreasedusingafootpump,aircompressororpressurisedair/nitrogencylinder.

Ifanyfaultsareidentifiedduringthesechecks,pleaserefertotheTroubleshootingsectionofthismanual.Ifreplacementpartsarerequired,pleaserefertotheSparessectionforpartcodes.

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Wiringdiagram

PSD HAS A 10 AMP 250VAC BUSSMAN GLASS FUSE INSTALLED AT LINE CONNECTIONS.

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Wiring location list

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Spares

Thedrawingsonthefollowingpagesshowtheinternalcomponentsforarangeofequipment.Duetocontinuingdevelopmentandminordesignchanges,somecomponentsmaybechangedwithoutnotice.Therefore,thedrawingsmaynotaccuratelyreflectthecurrentproductiondesign.Ifinanydoubtaboutthecompatibilityofreplacementparts,pleasecontactTechnicalSupport.

ElectricalItems

*Imageforindicationonly

# Description1 DeaeratorController2 ElectricalPlate(FuseBlockand15VPSU)3 PowerSwitch4 5AmpFuse5 6.3AmpSlowBlowFuse(PQA90PumpsOnly)

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Deaerator Unit

*Imageforindicationonly# Description1 Pump2 ½”Non-ReturnValve3 VacuumCylinderLowLevelSwitch4 VacuumTransducer5 CombinedIsolation&DrainValve6 AutomaticAirVent7 BypassSolenoidValve8 Slam-shutSolenoidValve9 AirVentNonReturnValve10 PressureReducingValve11 87PSI(6Bar)VacuumCylinderSafetyReliefValve

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Service Log

Thisservicelogshouldbecompletedbytheserviceengineeraftereachannualservice.

Date P1COUNT EngineersName P1HOURS Company P2COUNT ContactNumber P2HOURS ALARMCOUNT Comments POWERINTERRUPTIONS



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Warranty Statement

This equipment is covered against manufacturing defects from date of purchase from Flamco Limited.

This warranty covers the replacement of parts or products, verified as having a manufacturing defect.

Flamco Limited reserves the right to inspect an installation to verify that the equipment has been installed in accordance with the written instructions.

Any modifications to the supplied equipment must be approved in writing by Nexus Valve, failure to do so will invalidate the warranty.

All goods are carefully tested and inspected before dispatch. Should any goods appear defective owing to faulty materials or manufacture, they must be returned to us for examination. If we (acting reasonably) agree they are defective, we shall replace them. This shall be our only obligation in relation to the defective goods, unless we have notified you in writing of any additional warranties we may provide and you have complied with all conditions attached to these warranties. Beyond this all conditions, warranties and representations expressed or implied by statute, common law or otherwise in relation to the Goods (save for the conditions implied by section 12 of the Sale of Goods Act 1979) are excluded from the Contract to the fullest extent permitted by law (if you are acting as a consumer please see paragraph below).

Nexus Valve can only respond to warranty queries from its direct customer. If in doubt, please contact your installer to establish the supply chain. We are not liable for any indirect, special or consequential liabilities, losses, charges, damages, costs and expenses you suffer howsoever caused and including, without limitation, pure economic loss, loss of anticipated profits, goodwill, revenue, reputation, anticipated savings, management time, business receipts or contracts or losses or expenses resulting from third party claims. Nothing in these Conditions excludes or limits our liability (a) for death or personal injury caused by our negligence, (b) for our fraud or fraudulent misrepresentation or (c) for any matter which it would be illegal for us to exclude or attempt to exclude our liability. If you are acting as a consumer you will have additional statutory rights which we cannot contract out of and we are not excluding or limiting these rights.

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Warranty Details

Warranty - What Is Covered? The Nexus Valve warranty on equipment supplied to distribution and OEM covers manufacturing defects, under our standard terms and conditions of sale.

If the unit is identified with a manufacturing defect then no charge is made for correcting the defect.

The Nexus Valve equipment is manufactured to order and is clearly marked, where applicable, with a unique serial number, allowing traceability to both individual model configuration and the engineer or site responsible for the build and test.

Warranty - What Is Not Covered? If a defect or problem has arisen as a direct result of the connected system, misuse, incorrect handling, incorrect installation or incorrect commissioning then any service visit is chargeable.

If a defect is identified as a manufacturing defect it will be addressed as described above, additional remedial works as a result of misuse, incorrect handling, incorrect installation or incorrect commissioning then the additional work is chargeable.

Installation costs and/or consequential losses are not covered by this agreement. DOS - Date Of Supply DOC - Date Of Commissioning

Equipment Conditions Timescale

Flamco PSD

That there is an appropriate safety valve on the system protecting the equipment. That the equipment is undamaged at the time of installation. That the equipment is not exposed to adverse environmental conditions. That the equipment is stored and installed in a frost free area. That the operating and maintenance instructions are followed. That the equipment is used for the purpose for which it was designed.

18 months DOS 24 months DOC

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Notes

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Nexus

9982E.121stStreetFishers,IN46037

[email protected]

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Deaerating Equipment - Nexus Valve

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