Heraeus Ut 6 P Manuel utilisateur

(GET)INSTRUCTIONMANUAL

Heraeus

INSTRUMENTS

LaboratoryAirCirculationOvens

ModelsUT6 P,UT12P,UT20P

ComplywiththeoperatinginstructionsandkeepthismanualinthevicinityoftheunitI

Issue:May,1994

50042750

HeraeusInstrumentsGmbH

Heraeusstrafie12-14

D-63450Hanau

Nationalsales

Internationalsales

Technicalsupport

Nationalsales

Internationalsales

Technicalsupport

Spareparts

++(06181)35-300

++(06181)35-4 22

++(06181)35-5305

++(06181)35-5973

++ (06181)35-749

++(06181)35-880

++(06181)35-667

OHeraeusInstrumentsGmbH.63450Hanau,Germany

functionline*isa registeredtrademarkofHeraeusInstrumentsGmbH

TheGermanversionofthisInstructionmanualappliesintheeventofanydeviationsinthetranslation

Nominalcharge

Thisinstructionmanualappliesforthefollowingmodels:

OrderNo.

50042298

50042300

SO042306

50042312

Model

UT6P

UT12P

UT20P

Equipment

Aircirculationoven,programmedcontroller,1/PEAC,230V;50/60Hz

Aircirculationoven,programmedcontroller,1/PEAC,120V;50/60Hz

Aircirculationoven,programmedcontroller,1/PEAC,230V;50/60Hz

Theseheatingcabinetsmustbeoperatedinaccordancewiththeinstructionmanualand

mayonlybeusedfortheirintendedapplicationsinordertoensurethesafetyofperson-

nel,theenvironmentandtheprocesseditemsandmaterials.

Readtheinstructionmanualcarefullybeforeusingtheequipmentandcomplywiththein-

structionsthatitcontainstoavoidmakingmistakesandtopreventanypersonalinjuryor

damagetoproperty.

2/3450042750Issue:May,1994

CONTENTS

1.GENERALSAFETYINSTRUCTIONS4-6

Explanationoficons4

Generalinformation5

Operatinginstructions5

Fieldofapplication5

Safelyinstructions6

2.SETUPANDINSTALLATION7-9

Transport7

Unpackingtheunit7

Installation7

Roomventilation8

Mainsconnection8

Noiseinsulation8

Connectingtoanairextractionsystem9

3.UNITSPECIFICATION10-17

Overviewofthecontrolelements10

Switchgearunit10

On/ Offswitch10

Overtemperatureprotectiondevice10-11

Fresh-airflapcontrol11

Automaticcontrolunit12

Signallamps,statusfunction12

Basicfunctions:temperaturecontrol,timeswitch,airspeedadjustment12

Added-featureprogrammingfunctions,fixedprograms13

Fixedprogramsegments14

Compilationofa fixedprogram14

Exampleofa fixedprogram15

Programmedcontrollerfunction16

Terminationcommands16

Exampleofa temperature/timeprogram,definitions16

WhathappensIf...? 17

4.OPERATION18-28

Startingupwith

Basicfunctions- temperaturecontrol,timeswitch,blowerspeedadjustment18-19

Added-featureprogrammingfunctions,example20-21

Programmedcontrollerfunctions,example22-27

Operatingguidelines28

Loading28

Shutdown28

5.MAINTENANCE29-30

Decontamination/ disinfection29

Cleaning29

Servicing30

Tests30

Repairs30

Approvedspareparts/ accessories30

6.TECHNICALDATA31-34

Issue:May,1994500427503/34

GENERALSAFETYINSTRUCTIONS

EXPLANATIONOFICONS

Thissymbolmarkschaptersandsectionsofthisinstructionmanualwhichareparticularly

relevantlosafety.

Whenattachedtotheunit,thissymboldrawsattentiontotherelevantsectionofthe

instructionmanual.

Marksinformationaboutoptimumutilizationoftheunitintheinstructionmanual.

Warnsofhotsurfaces.

setI Keyfortemperatureselection,time-switchfunctionandtoconfirmenteredinformation

prog

Keyfortheprogrammingfunction,limeselectionandtoconfirmenteredinformation

vent

Keytosettheairspeedandtoconfirmenteredinformation

Valueadjustmentkey,INCREASEVALUE

Valueadjustmentkey,REDUCEVALUE

Informationaboutproperdisposal/ recycling

Overtemperatureprotectiondevice

:resh-alrflapcontrol

Continuousadjustmentfromminimumtomaximumvalues

Quickreferenceguidetooperation

oSelectthestatusofthecontrolunit(enabled/disabled)

(T)

Temperaturecontrolfunction,selecttemperature

Time-switchfunction,seltheoperatingtimes

Programmingfunction

Blowerfunction

4/34 50 042750Issue:May,1994

GENERALSAFETYINSTRUCTIONS

Generalinformation

Theunitfulfilsthefollowingsafetystandards:

DINEN61010-1/03.94.VDE0411Part1 / 03/94,E DINVDE0411Part111.

DIN12880Part1 /11.78andDINEN60335-1,VDE0700Part1

DINEN55011Part3,DINVDE0875Part11/ 07.'92

"Q' Alwaysquotethedataontheratingplatewhenrequestinginformationororderingspare

parts

Operatinginstructions

Theoperatormustprovideanybodyworkingonorwiththisequipmentwithwritteninstructionsfor

anyoperationstobeperformed.Suchinstructionsmustbeeasytounderstandandmustbe

availableinthelanguageoftherespectivepersonnel(FRG:UWVBG1 § 7 (2)).

•Logbook

Werecommendthata logbookiskept,whichrecordsanytestsandcalibrationoperations

performedontheunitandanyotherwork(repairs,modificationsetc.).

Fieldofapplication

Theunithasbeendesignedasanitemoflaboratoryequipmentfortechnicalapplications.

•Heattreatmentofsamplesormaterialswithoperatingtemperaturesofbetween

roomtemperature+ approx.20*Cand250'C,

e.g.fordrying,ageing,analysis,fusing,burningIn,oxidizing,reducing,preheating,etc.

•Hot-airsterilization,sterilizationbyheatingthearticleuptoa temperatureofatleast160'C

(FRG:alsorefertoDIN58947).

Note.Th«ilerillzationtemperatureusuallyrequiredinIhefleWofmedicallaboratoryworkl>110*C.

Theunithasbeendesignedforinstallationandoperationinthefollowingfields:

•Laboratories,e.g.inthecommercialorindustrialsector,schools,universities,hospitalsand

biology

Theunitisequippedwithanindependentovertemperatureprotectiondevice,whichmeansthatit

doesnotrequireconstantsupervision.

Theheatingunithasbeendesignedforcontinuoususe.

Makesurethatanadequateclearanceismaintainedbetweentheinsidewallsoftheinner

compartmentandtheloadedarticles,andbetweenthevariouslayersofloadedarticles,to

preventunevenheatingofthematerials.

Protectivegloves,gogglesetc.mustbemadeavailabletotheoperatorbecauseofthe

potentiallyhighoperatingtemperatures.

Theunitmustnotbeusedtodryorheatsubstanceswhichmayreleasecombustible

gasesorvapoursintotheatmosphere,whichcouldbumorexplodewhenmixedwithair.

Theheatingunitisequallyunsuitablefortheheattreatmentofcombustibledustsor

fibrousmaterials.

Issue:May,1994500427505/34

1GENERALSAFETYINSTRUCTIONS

Safetyinstructions

ComplywiththeInstructionsinthismanualandkeepitInthevicinityoftheunit.

TheseunitsmustbeoperatedinaccordancewiththeInstructionmanualandmayonlybeused

fortheirIntendedapplicationsinordertoensurethesafetyofpersonnel,theenvironmentandthe

processeditemsandmaterials.

ReadtheInstructionmanualcarefullyandcomplywiththeinstructionsthatitcontainstoavoid

makingmistakesandtopreventanyperonalinjuryordamagetoproperly.

Unitmustbeoperatedbyinstructedpersonnel.

Keepunitoutofreachofchildren.

ApartfromtheInstructionsinthismanual,therespectivenationalregulationsmustalsobe

observedfortheinstallationandoperationofthisunit(FRG:ZH1/119,DIN12880Part1)

Theapplicablenationalenvironmentalregulationsmustbeobservedfortheextractionofexhaust

gasesthatareproducedduringheattreatment.SuitablemeasuresmustbeImplementedto

ensurethatsuchgasesaresafelyledoutside(FRG:BlmSchG,UVPG,AbfG,WHG,ChemG,...).

Theunitmustnotbeusedtodryorheatsubstanceswhichmayreleasecombustiblegasesor

vapoursIntotheatmosphere,whichcouldbumorexplodewhenmixedwithair.Theunitis

equallyunsuitablefortheheattreatmentofcombustibledustsorfibrousmaterials.

Checkthemainsleadandconnectorfordamagebeforeusingtheunit.Ifthereareanysignsof

damage,donotconnecttheunituptothemains.

Thevoltagequotedontheratingplate(ratedvoltage)mustagreewiththemainssupplyvoltage.

Protectivegloves,gogglesetc.mustbemadeavailabletotheoperatorbecauseofthepotentially

highoperatingtemperatures.

ThesurfacesaroundtheopeningoftheInnercompartmentbecomehotathighoperating

temperatures• RISKOFBURNING- Avoidcontactwiththesesurfaces.

Ensurethattheovertemperatureprotectiondeviceworksproperlybyconductinga functional

checkatregularIntervals,every3 monthsatleast,andchecktheelectricalequipmentatleast

oncea year.

Anyworktobeconductedontheelectricalequipmentoftheunitmayonlybeperformedbya

qualifiedelectrician.Theunitmustbedisconnectedfromthemainssupplybeforecommencing

serviceorrepairwork.

Onlyuseapprovedaccessoriesandapprovedgenuinespareparts.Theuseofanyotherparts

mayresultInunforeseenproblemsandshouldbeavoidedunderallcircumstances.

Theserviceabilityandsafetyoftheunitcanonlybeguaranteedifthenecessarytests,

maintenance,servicingandrepairworkIscarriedoutbytheHeraeusservicepersonnelorother

agencieswhoareauthorizedtoactonourbehalf.

HeraeusInstrumentsGmbHcannotacceptanyliabilityforanydamagethatoccursasa resultor

improperuseorrepairwork,whichhasnotbeenperformedbyHeraeusservicecenters,orif

partsotherthantheapprovedgenuinespareparts/ accessoriesareused.

6/3450042750Issue:May,1994

SETUPANDINSTALLATION

Transport

Handletheunitwithcare.Avoidjarringandprotectagainstdamage.Donotliftbythedoor

handle,thedooritself,thecontrolunit,theblowerbox,thespacerorthepowerlead.

RefertotheTECHNICALDATAfordimensionsandweight.

•Unpackingtheunit:

Unpacktheunit,removethetransportsafetyfixturesfromtheinnercompartmentandremove

anydirtordustwhichmayhaveaccumulatedintransit.

Installation

Theunitmustbeinstalledina dryenvironment.

Therelativehumidityshouldbebetween60andZO% undernormalconditions.

Condensationshouldbeavoided.Ifcondensationhasformedontheunitfollowinga changeof

locationorduringtransporalion.forexample,waituntiltheunithasdriedoutcompletelybefore

puttingintooperation.

Theambientairshouldnotcontainexcessiveamountsofdust.

(ComplywiththeinstructionsintheMAINTENANCEsection).

Donotcoverorobstructtheventilationorexhaustventsintheunithousing,removeanydustor

dirtwitha vacuumcleaner.

Theambienttemperatureshouldnotexceed40*C.

Placetheunitona firm,fireproofsurface(e.g.laboratorytable,supportframe)ina stable,

perfectlyuprightposition.

Keeptheunitawayfromdirectsunlight(UVradiation).

Ifyouwishtostacktwounitsontopofoneanother,usethestackingframe(availableasan

option).Neverstackmorethantwounitsontopofoneanother.Whenstackingunitsofdifferent

types,makesurethate.g.anIncubatorisalwaysatthebottom,andpreventanymutual

influence.

Fig.1/2:Clearancestoadjacentsurfaces/ objects:

:5cm

30cm

*m>JI

•

5cm>

Maintaina distancefromtheback:

UT6P:atleast12cm

UT12P:atleast8 cm

UT20P:atleast8 cm

Thewallspacermayonlyberemovedifthe

unitisconnecteduptoanextractionsystem.

Theexhaustgasesmustbeledthrough/ past

adjacentsurfaces/ objectslocatedaboveor

behindtheunitwithheatinsulationto avoid

thedangeroffire.

IftheunitUT6 P istobefittedundera tableorintoa laboratoryfixture,itmustbeconnected

toanexhaustairextractionsystem.Thetopclearancemayonlybereducedtomin.5 cmunder

suchcircumstances.Ensureadequateventilation.

TypesUT12P andUT20P arenotsuitabletobefittedundera table.

Issue:May,1994500427507/34

SETUPANDINSTALLATION

Roomventilation

Adequateventilationmustbeprovidedwherevertheunitisinstalled.

DonotoperatetheunitInnon-ventilatedenclosedspaces.

Specialventilationmeasures(e.g.ventilationofdesignatedworkareas,FRGalsorefertoVDI

1946Part7)whenseveralunitsareInstalledinoneroom.

Mainsconnection

Thelaboratoryunitissuppliedwitha permanentlyconnected,flexiblemainspowerleadwith

connector(grounded).

Theconnectorservestodisconnecttheunitfromthemainspowersupply.

Examinethepowerleadandconnectorfordamagebeforeusingtheunit.Ifthereareanysigns

ofdamage,donotconnecttheunittothemainssupply.

Thevoltagequotedontheratingplate(ratedvoltage)mustagreewiththenominalmains

voltage.

Theunitmayonlybeconnecteduptothemainsviaa properlyInstalledsocketoutletwithPE

conductor(protectionclassI)ora permanentterminalconnection.

Intheeventofa permanentterminalconnection,a masterswitch(lockableInthe"Off"

position)mustalsobeinstalledtodisconnecttheunitfromthemains.

Anearth-leakagecircuit-breakershouldalsobefittedinthesupplysystemtoprovide

additionalprotectionagainstelectricshocks.

Rubber-sheathedflexiblecableofatleast2.5mm3diameter(H07RN-F...)shouldbeusedfor

anyextensionsthatmayberequiredtoconnecttheunit.

RefertotheTECHNICALDATAsectionfortheratedpowerconsumption,circuitprotection

witha T16A fusiblelinkora 8 16circuit-breaker.

NoiseInsulation

Theunitdevelopsa constantnoiseload.

RefertotheTECHNICALDATAsectionforthenoiselevel.

TheunitmayproducehighernoiselevelsInunfavorableInstallationconditions.Supplementary

measuresmayhavetobeImplementedtoImprovethesoundinsulationintheroom.

8/3450042750Issue:May,1994

SETUPANDINSTALLATION

/j\ Connectingtoanextractionsystem

Complywiththeapplicablenationalenvironmentalregulationsfortheextractionof

exhaustgasesreleasedduringtheheattreatment.Suitablemeasuresmustbe

implementedtoensurethatsuchgasesaresafelyledoutside(FRG:BlmSchG).Such

measuresmayinvolvethermalorcatalytictreatmentoffluegases.

RefertotheTECHNICALDATAsectionforthevolumeflowandtemperatureoftheexhaust

gases.

Fig.2/2:Exampleofaninstallation

1Inletairflow

2Heatingcabinet

3Adjacentsurface/ object

4Exhaust-airblower

5Exhaustairflow

Draftbreaker

Implementationinstructions:

•A draftbreakermustbeusedtoconnecttheunittoanextractionsystem.

•Allflueductsmustbemadeoffireproofmaterials.

•Aperturesmustbeprovidedtoenabletheremovalofresidueandcondensate.Theflue

ductsmustbethermallyinsulated(recommendation:half-shellsleevesmadeoflaminated

mineralTiber).

•Theexhaustair/ gasesfromtheunitmustnevercomeintocontactwithcombustionex-

haustgases.

•Usethedraftbreakertoadjusttheairflowvolumeinsucha waythatexhaustgasescanbe

extractedreliablywithoutproducinganyeddyingattheunit'sexhaust-gasconnector.

•Technicalmeasuresshouldbeimplementedtomonitortheflowofairandfluegasesandto

preventoperationoftheheatingunitiftheventilationsystemIsswitchedoff/ defective

(electricalinterlock).

Issue:May,1994500427509/34

3.UNITSPECIFICATION

Fig.1/3:Overviewofthecontrolelements

I1 c

--~i—.

I4-

—B

ULJ

ASwitchgearunit

BAutomaticcontrolunit

CDoorhandle

ItemA:Swltchgearunit

Fig.

•1

2/3:Switchgearunitcontrolpanel

ON/ OFFswitch:

-21On/ Offswitch

2Overtemperatureprotection,

controlelement

3"Fault"signallamp

4Fresh-airflapadjustment

Toswitchtheunitonandoff:

"on"= Unitswitchedon,thetemperatureInsidetheunitappearsonthedisplaypanel

ofthecontrolunit,

"off'= Unitswitchedoff,temperaturedisplayoff.

•2 & 3 Overtemperatureprotectiondevice/ signallamp:

Theunitisequippedwithanelectronicupper-limitcut-outdevice(TWB)ofprotectionclass2

asdefinedbyDIN12880Part1.IIIselectricallyandfunctionallyindependentofthetemperature

controlsystem.Intheeventofa faultIntheunitheatingsystem,theoperationalTWBshuts

downtheunitheatingacrossallpolesassoonasthetemperatureexceedsthepresetvalue.

TheredsignallampIndicatesactivationoftheprotectionfunction(Fig.2/3:Item3).

Theunitmustberesetmanually,bypressingthecontrolelement.

*Allowtheunittocooldown(byapprox.30*C),pressthecontrolelement,theredsignallamp

willgoout.

TheoperatevalueIsadjustedwiththehelpofa tool(coin,screwdriver...).

Adjust(otherequiredprotectionlevel:

•touppertemperaturelimit»unitprotection(protectstheunitanditsenvironment).

*•toapprox.10*Chigherthantheoperating temperaturesetonthecontrolunit=

materialprotection(protectstheunit,Itsenvironmentandtheloadedmaterial).

Ensurethattheovertemperatureprotectiondeviceworksproperlybyconductinga

functionalcheckatregularIntervals,every3 monthsatleast,andchecktheelectrical

equipmentatleastoncea year.

10/3450042750Issue:May,1994

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