Nordcap CD 140 User manual

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Bedienungsanweisung
Kühl- / Tiefkühl-Kombinationsschrank CD 140
[Art. 435800140]
2022-01

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TableofContent
1Introduction3
1.1 ImportantNotes........................................................................................................................................................................3
1.2 ProductTemperatureClasses...........................................................................................................................................4
1.3 ClimateClasses..........................................................................................................................................................................4
1.4 AirVelocity................................................................................................................................................................................4
1.5 SafetyInstructions...........................................................................................................................................................4
1.6 ElectricalSafetyTests(EST).......................................................................................................................................................5
1.7 RiskAnalysis..............................................................................................................................................................................6
1.8 WorkingwithHCR290(Propane)..............................................................................................................................................6
1.9 RiskAssessment‐Zoning...........................................................................................................................................................8
2CabinetUse9
2.1 Important.................................................................................................................................................................................9
2.2 ShelfLoadingforProperColdAirCirculation............................................................................................................................9
2.3 ShelfLoadingforSafety...........................................................................................................................................................10
2.4 Fillingwithproductsonstartingup.........................................................................................................................................10
2.5 Exteriorfactorsforplacingthecabinet...................................................................................................................................10
2.6 CabinetCleaning.....................................................................................................................................................................11
2.6.1 Health&SafetyWarningsandInformation...........................................................................................................11
2.6.2 GeneralRequirementstobeConsideredDuringCleaning............................................................................................11
3Troubleshooting......................................................................................................................................................................13
3.1 Recommendation....................................................................................................................................................................13
3.2 Cause–RecommendedSolutions...........................................................................................................................................14
4Controls16
4.1 HowtoUse“CARELPJEZCTemperatureController” ...............................................................................................................16
4.1.1 GeneralAppearance.....................................................................................................................................................16
4.1.2 Introduction&GeneralDescriptions.............................................................................................................................16
4.1.3 Display...........................................................................................................................................................................16
4.1.4 Keypad..........................................................................................................................................................................17
4.1.5 FunctionsAvailablefromtheKeypad............................................................................................................................17
4.1.6 Alarms...........................................................................................................................................................................18
4.1.7 TemperatureControl....................................................................................................................................................18
4.1.8 LiquidManagement......................................................................................................................................................18
5ControllerSettingParameters...........................................................................................................................................................19
5.1 CARELPJEZC............................................................................................................................................................................19
6WiringDiagram22
7CabinetTechnicalDetails...................................................................................................................................................................23
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7.1 SideElevations........................................................................................................................................................................23
7.2 CaseLayout.............................................................................................................................................................................24
7.3 ShelvingProfiles......................................................................................................................................................................25
7.4 CabinetDataPlateDescriptions..............................................................................................................................................26
7.5 Refrigeration...........................................................................................................................................................................27
7.6 NoiseBreakout........................................................................................................................................................................27
8ServiceandMaintenance..................................................................................................................................................................28
8.1 Accesstofans..........................................................................................................................................................................28
8.2 Accesstodrainageoutlets.......................................................................................................................................................28
8.3 Accesstocabinetelectricsandcontrols..................................................................................................................................28
8.4 CondensingGroupCarrier.......................................................................................................................................................28
8.5 CabinetOperation...................................................................................................................................................................28
8.6 Refrigeration,ElectricalandDrainageConnections................................................................................................................29
8.6.1 Refrigeration........................................................................................................................................................29
8.6.2 RefrigerantChargeLimits..............................................................................................................................................30
8.6.3 Electricity.............................................................................................................................................................30
8.6.4 Plugs..............................................................................................................................................................................31
8.6.5 CabinetLighting............................................................................................................................................................31
9InstructionsforDelivery....................................................................................................................................................................32
9.1 Transportation........................................................................................................................................................................32
10 Installation....................................................................................................................................................................................33
10.1 Unpacking...............................................................................................................................................................................33
10.2 MinimumClearancesforPlacingtheCabinet.........................................................................................................................33
10.3 LevellingandDoorAlignment.................................................................................................................................................34
10.4 AssemblyofShelves................................................................................................................................................................36
10.5 AssemblyofTicketStrips.........................................................................................................................................................36
10.6 PowerSupply.................................................................................................................................................................37
10.7 ProlongedCabinetSwitch‐Off.................................................................................................................................................37
11 ProbeMapping&DisplayPositioning..........................................................................................................................................38
11.1 SideElevation..........................................................................................................................................................................38
11.2 FrontView...............................................................................................................................................................................39
12 DismantlingandDisposal....................................................................................................................................................39
13 Maintenance................................................................................................................................................................................40
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1 Introduction
TheCALLISTODUALcabinetsareretailrefrigerateddisplaycabinetwithintegratedcondensing
unitsfordisplayingchilledfood.ThiscabinetisdesignedandbuiltforTEFCOLDforstoring
chilledanddeepfrozenproducts.Itcannotbeusedtocoolhot,non‐chilledproducts,freeze
chilledand/ornon‐frozenproducts.
Thismanualhastobereadbeforehandlingorinstallingorusingtheproduct.Thismanual
containsnecessaryinformationaboutinstallationatthebeginning,maintenanceoperation
duringcabinetlifeandimportantHealth&Safetyconsiderations.
TEFCOLDreservestherighttochangeatanymomentanypartoranyinformationinthis
documenttoachievebetterandsaferproductusage.
1.1 ImportantNotes
Themanualisanintegralpartoftheequipmentandshouldalwaysaccompanytheproductin
theeventofatransfertoanewlocationortoanewowner.Theuserisresponsibleforthe
integrityofthesedocuments,fortheirconsultationandduringthewholelifecycleofthe
equipmentitself.Keepthismanualinasafeplace.Itshouldbeavailableforconsultationnear
theequipmentatalltimes.Iflostordestroyed,youcanrequestacopyofthemanualfrom
TEFCOLDbyspecifyingtheexactmodel,serialnumberandyearofmanufacture.
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Thisequipmentisnotintendedforusebypersons(includingchildren)withreducedphysical,
sensoryormentalcapabilitiesorbypersonslackingthenecessaryexperienceandknowledge,
unlesstheyaresupervisedbyapersonresponsiblefortheirsafetywhohasinstructedthemon
howtousetheequipment.
Alwaysrefertothismanualbeforegoingaheadwithanyoperation.Beforedoinganytypeof
work,disconnecttheequipmentfromthepowersupply.Anyworkonelectricandelectronic
partsorcoolingsystemcomponentsshouldonlybecarriedoutbytrainedpersonnelin
compliancewithcurrentlaws.
TheManufacturercannotbeheldliableforanyinjurytopersonsoranimals,ordamagetothe
productitselfintheeventof:
improperuseoftheequipmentoruseoftheappliancebyunqualifiedorunauthorised
personnel
failuretocomplywithcurrentlegislation
incorrectinstallationand/orpowersupplyfaults;
failuretoobservetheinstructionscontainedinthisManual;
failuretofollowthemaintenanceprogramme;
Unauthorisedmodifications;
installationofnon‐originalsparepartsintheequipment;
installationanduseoftheequipmentforpurposesotherthanthoseforwhichthe
appliancewasdesignedandsold;
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Thebuyerisresponsiblefortrainingpersonnelusingtheapplianceontherisks,safetydevices
andgeneralhealthandsafetyrulesrequiredbythelawsofthecountrywheretheapplianceis
installed.
Users/operatorsshouldbeawareofthepositionofallthecontrolsandhowtheywork,aswell
asofthefeaturesoftheappliance.
Theyshouldalsoreadthismanualinit’sentirely.
Maintenanceworkshouldbeconductedbyqualifiedpersonnelaftertheappliancehasbeen
preparedadequately.
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1.2 ProductTemperatureClasses
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MEATM1(warmerthanorequalto‐1˚C,colderthanorequalto+5˚C)
FROZENFOODL1(colderthanorequalto‐18˚C,colderthanorequalto‐15˚C)
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1.3 ClimateClasses
TheCALLISTODUALcabinetsaredesignedtomaintainnominalproducttemperaturesabove
referringtoENISO23953‐2:2015inanambientenvironmentof25˚Cdrybulbtemperatureand
60%relativehumidity(Class3).
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CLASS3DryBulbTemperature
RelativeHumidity
25˚C
60%
DewPoint
Watervapourmassindryair
16.7˚C
12.0g/kg
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Ambientenvironmenttolerancesare;
±1°Cofthedrybulbtemperature(warmerthanorequalto+24˚C,colderthanorequal
to+26˚C)
±3unitsoftherelativehumiditypercentage(higherthanorequalto57%,lowerthanor
equalto63%)
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1.4 AirVelocity
Thehorizontalaircurrentsparallelinfrontofthecabinetshallliebetween0,1m/sand0,2m/s
(inlongitudinaldirection).
1.5 SafetyInstructions
TEFCOLDrecommendthatanypersonwhointeractswiththecabinetorcabinetsub
componentsreadstheseinstructionscompletelybeforestartingtooperatetheequipment.
Onlyauthorised,qualified,competentpersonnelcanbeinvolvedwiththeinstallation,settingto
workorcarryingoutserviceandmaintenanceonthisequipment.
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Thewaterwhichcomesfromthecabinet’sevaporatorduringdefrostperiod,hastobedrained
fromanoutlet.Therefore,drainagepipesmustbeinstalledfromthisoutlettoasuitable
externaldrainpoint.Otherwise,defrostwatercouldcollectinthebackofthecabinetand
damageinternalcomponents.Thecustomershouldcheckperiodicallywhethertheoutletsare
blockedornot.
Sectionswiththebelowsign,shouldonlybeaccessedbyauthorizedpersonnel.Donotforget
thatelectricitycanbefatal.
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Donotstoreexplosivesubstancessuchasaerosolcanswithaflammablepropellantinthis
cabinet.
Childrenshouldbesupervisedtoensurethattheydonotplaywiththecabinet.
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Donotletchildrenenterinsideoftherefrigerator.Thereisariskofchildrenentrapment.
Followtheinstructionsbelowinacaseofgasescapeorfire:
Ifthereisgasescapefromtherefrigerator,ventilatetheroom.Ifitcannotbeventilated
leavetheroom.
Incaseoffirefollowthefiresafetyinstructionsapplicabletothatlocation.
1.6 ElectricalSafetyTests(EST)
Makingaproduct“safe”requiresanunderstandingofthe“hazards”thatexistineachelectrical
product.Certainpotentialhazardsareinherentinallelectricalproductsbecauseofthemanner
inwhichtheyarepoweredandhowtheyperformtheirintendedfunctions.Eventhougha
productrequiresanelectricalpowersourceanduseselectricalorelectroniccomponents,it
shouldnotpresentanelectricalshockhazardtotheuser.
EverysinglecabinetmanufacturedTEFCOLDissubjectedtostringentelectricaltestsbelowin
compliancewithEN60335.
ElectricalshockhazardsarepreventedbyTEFCOLDwithfollowingElectricSafetyTests:
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1. DielectricWithstandTests
2. InsulationResistanceTests
3. LeakageCurrentTests
4. GroundContinuityTests
5. HighVoltageTests
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TEFCOLDhighlyrecommendthatthecabinetisonlyconnectedtoapowersupplyprotectedby
anearthleakagerelay.
Intheeventofanelectricalfaulttheequipmentmustbeelectricallyisolatedimmediatelyand
powermustnotberestoreduntilauthorisedbycompetentelectricalpersonnel.
1.7 RiskAnalysis
ThebelowRiskAnalysistablesshowpotentialproblemsandwhomaybeaffected.Theaimof
thesetablesistopreventpossibleproblemsorinjuriesbeforetheyoccur.
UseofelectricalIsolator
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WHOWHATREDUCTION
StorepersonnelElectricalShockLivepartsmech.covered
StorepersonnelFallingwhilstusingisolatorCorrectuseapprovedsteps
ElectricalMaintenance
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WHOWHATREDUCTION
MaintenancePersonnelElectricalShockIsolatebeforeworking
MaintenancePersonnelFallingwhilstusingisolatorCorrectuseapprovedsteps
Cleaningcabinet
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WHOWHATREDUCTION
CleaningpersonnelStrainOnlyliftsinglepanels
CleaningpersonnelScratchandimpactTrainingincorrectmethod
OthersinareaScratchandimpactCleanwhenstoreclosed
CleaningFansandDrainArea
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WHOWHATREDUCTION
CleaningpersonnelRevolvingfanbladesElectricallyisolatecabinet
Fansprotectedbyguards
CleaningpersonnelBendingdownlowTrainingincorrectmethod
OthersinareaScratchandimpactCleanwhenstoreclosed
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1.8 WorkingwithHCR290(Propane)
OnlyqualifiedRefrigerationEngineerswiththeappropriatequalificationmayworkonthis
equipment.Inparticular,therefrigerationsystemmustonlybeopenedandworkedonby
qualifiedpersons.
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WorkProcedure
Workshallbeundertakenunderacontrolledproceduresoastominimisetheriskofa
flammablegasorvapourbeingpresentwhiletheworkisbeingperformed.

GeneralWorkArea
Allmaintenancestaffandothersworkinginthelocalareashouldbeinstructedastothenature
ofworkbeingcarriedout.Workinconfinedspacesmustbeavoided.Theareaaroundthe
workspaceistobesectionedoff.Ensurethattheconditionswithintheareahavebeenmade
safebycontrolofflammablematerial.

CheckingforPresenceofRefrigerant
Theareashallbecheckedwithanappropriaterefrigerantdetectorpriortoandduringworkto
ensurethetechnicianisawareofpotentiallyflammableatmospheres.Ensurethattheleak
detectionequipmentbeingusedissuitableforusewithflammablerefrigerants,i.e.non‐
sparking,adequatelysealedorintrinsicallysafe.

PresenceofFireExtinguisher
Ifanyhotworkistobeconductedontherefrigerationequipmentoranyassociatedparts,
appropriatefireextinguishingequipmentshallbeavailabletohand.Incaseoffire,usewater
spray(fog),foamordrychemical.

NoIgnitionSources
Nopersoncarryingoutworkinrelationtoarefrigerationsystemwhichinvolvesexposingany
pipeworkwhichcontainsorhascontainedflammablerefrigerantshalluseanysourcesof
ignitioninsuchamannerthatitmayleadtotheriskoffireorexplosion.
Allpossibleignitionsources,includingcigarettesmoking,shouldbesufficientlyfarawayfrom
thesiteofinstallation,repairing,removinganddisposalduringwhichflammablerefrigerantcan
possiblybereleasedtosurroundingspace.Shouldtherebeaneedforbrazingorweldingtobe
undertakentoworktakingplace,theareaaroundtheequipmentistobesurveyedtoestablish
anyflammablehazardsorignitionrisks.Display'NoSmoking'signs.

VentilatedArea
Ensurethattheareaisintheopenorthatitisadequatelyventilatedbeforebreakingintothe
systemorconductinganyhotwork.Adegreeofventilationshouldcontinueduringtheperiod
thattheworkiscarriedout.Theventilationshouldsafelydisperseanyreleasedrefrigerantand
preferablyexpelitexternallytotheatmosphere.
7

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1.9 RiskAssessment‐Zoning

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2 CabinetUse
2.1 Important
Donotputwarmorun‐chilledproductsintothecabinet.Itisdesignedtoholdpre‐chilled
products,nottocoolthem(ChilledSection).
Donotputchilledand/ornon‐frozenproductsintothecabinet.Itisdesignedtohold
productsfrozen,nottofreezethem(FrozenSection).
Donotleavethecabinetdoorsopen.
Donotblockthespacebetweenthefrontoftheshelvesandtheglasswithproduct,signage
orpointofsaleasthiswillaffectairflowsresultinginwarmproducts.
Donotblockthegrillesatthefrontofthecabinetorstackproductsinfrontofthemasthis
willcausethecabinettooverheatandstopworkingcorrectly.
Donotoverloadtheshelvesorblockthegrillesinsidethecabinet.Thecabinetrequiresair
spacetoallowthecoldairtocirculatearoundthecabinettokeeptheproductschilled.
2.2 ShelfLoadingforProperColdAirCirculation
Alwaysallowairspacebetweentheproductsinordertomaintaincoldaircirculationanddonot
blockairgrills.Failuretoenablecoldairtocirculateasdesignedcanleadtoproduct
temperaturenotbeingmaintainedandcanaffectthefunctionalityofthecabinetrefrigeration
system.
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2.3 ShelfLoadingforSafety
Merchandisingofthecabinetmustbeequallydistributedthroughthecabinet.Heavyweighted
productsmustbeplacedtodecktrayorcloserforrigidityofcabinet.Startproductloadingfrom
decktray,ifsomepartofthecabinetisgoingtobeleftempty,forproductloadingpreferlower
shelvesnotthetopones.
2.4 Fillingwithproductsonstartingup
Afterturningonthecabinetforthefirsttimeorwhenithasbeenturnedoffforcleaningitis
necessarytoallowthecabinettocooldowntooperatingtemperaturebeforeloadingproducts.
Waitminimum6hoursafterturningonbeforemerchandising.
2.5 Exteriorfactorsforplacingthecabinet
Ambienttemperatureandhumidityvaluesshouldnotexceed25°CDBT/60%RH(Class3;EN
ISO23953).
Horizontalairvelocitymeasuredinfrontofthecabinetshallliebetween0,1m/sand0,2m/s.
Checktheairconditioning,ventilationandheatingdevicesintheshopshouldbeworking
efficiently.
Airstreamandairintakesshouldnotbedirectedtowardsthecabinetopeningsandthe
goodsdisplayedshouldnotbeexposedtodirectsunlight.
Preventthetemperatureincrementofradiatingsurfacesintheshope.g.installationceiling.
Checkforothersourcesofradiantheatintheareaandeliminatee.g.sunshiningthrough
rooflightsorwindows,heatedpipework,heateddisplaycabinetsandcookingequipment.
Theairinletsandventsonthecabinetshouldnotbeclosedwithproducts,labels,
accessoriessoon.
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2.6 CabinetCleaning
2.6.1 Health&SafetyWarningsandInformation
Switchoffpowersupplyofthecabinetfromthemainswitch.
Tominimiseshockandfirehazards,pleasedonotplugorunplugtheunitwithwethands.
Caremustbetakenwhenhandlingorworkingontheunitassharpedgesmaycausepersonal
injury,werecommendthewearingofsuitablePPE.
Ensurethecorrectmovingandliftingproceduresareusedwhenrelocatingaunit.
Aroundofthecabinetcanbewetandslippery.
Donottouchhot,coldandmovingparts.
2.6.2 GeneralRequirementstobeConsideredDuringCleaning
Neutraldetergents,soapandwatershouldbeusedforcleaningtheparts.
Rinsewithcleanwateranddrywithasoftcloth.

Itisrecommendedthatthedrainageiskeptclearandfreerunningbypouringcleanwaterdown
todrainevery3months.

Rinseandremovewateranddebrisusingawetvac.

Cleanglasssurfaceswithusingglasscleaningproducts.Neverusehotwateronglassasthismay
‘shock’theglassandcause‘thermalbreakage’,i.e.shatteringofglassduetosudden
temperaturechange.

Stainlesssteelcanbesubjecttosurfacediscolorationor“teastaining”.Thiscanberemoved
withanappropriatecleaningagentthatcontains10%Sodiumcitrate.

Donotuseabrasiveproductsandsolventsthatmaycauseanyscratchestothesurfaceofthe
cabinet.Neverscourwithhardobjectsanypartsofthecabinet.Scouringpads,steelbrushes,
screwdriversorchemicalsmaycausedamagebyscratchingordullingpolishedsurfacefinishes.
Nevercleancomponentsusinginflammablematerials,suchasalcohol,acetoneorsolvents.
Neverusehigh‐pressurizedwater.
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Donotdirectlyapplywatertofanmotorsoranyotherelectricalcomponentsinthecabinet.
Alwaysbecarefultominimizemoistureonandneartheelectricalcomponents.Cleaningof
electricalcomponentsmustbedonebyQualifiedMaintenanceTechnician.

Whenworkinginsidethecabinettakescarenottodamageanycomponentssuchasfanblades
orprobesandensurenostrainisputonanycables.

Onceafinalcheckhasbeencarriedouttoensurethedisplaycabinetisfullyassembledthe
electricalisolatorshouldbeunlockedandturnedon.Thecabinetwillstarttooperate
again.

Thealarmscanthenbere‐activated,doublecheckthatalarmsareoperationalbefore
allowingthedisplaytobere‐merchandised.
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3 Troubleshooting
Shouldyourcabinetnotbeoperatingefficiently?

Beforecallingthetechnicalservice,checkthesepointsgiveninsections3.1Recommendation
and3.2Cause–RecommendedSolutionscanbeusedfortroubleshooting.
3.1 Recommendation
Checkfollowingconditions:
Onlyproductswhicharealreadyrefrigeratedtothecorrectcoldchaintemperatureshould
beloadedintothecabinet.
Thecabinettemperatureshouldbestable.
Donotoverloadthecabinet;taketheloadinglimitintoconsideration.
Consideringthefoodstuffturnover,thefirstloadedgoodsshouldbesoldfirst.(Applyfirstin
firstoutprocedure.)
Checkthedisplayedfoodstuffandtheoperationtemperatureofthecabinetregularlyat
leasttwiceaday.
Replacethegoodsrightaway,ifanyfailureoccursonthecabinet.
Ifyoufindanyfaultparts,moveitrightaway(burntoutLEDlamps,loosenedpartsetc.)
Checktheautomaticdefrostingofthecabinetregularly.
Thedrainingofthedefrostwaterandthewaterevaporationhastobecheckedregularly.
Ifanyunexpectedcondensationoccursthancallaqualifiedrefrigeratortechnician.

Thermostatsettingsshouldnotbechargedfrequently.
Anymaintenanceworknotmentionedinthismanualshouldbedonebyauthorized
personnel
Themanufacturercannotbeheldresponsibleforincorrectorinappropriateuseofthe
equipment.
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3.2 Cause–RecommendedSolutions

MalfunctionCauses
RecommendedSolutions


Compressorisoutoforder


Nopoweroncompressor
Checkifthereisapowercutonthenetwork
Checkifthepowersupplyconditionsarethesame
asitisdefinedinthetechnicallabel.
Checkiftheboardconnectionsaretight.
Eithermainisolatorswitchisclosedor
circuitbreakerisblown
Checkifthemainisolatorswitchisonorthereisany
problemwithcircuitbreakers
Oneofpressureswitcheshascutthe
circuitout
ManuallyresetHPpressureswitchifitcutsthe
compressorout
ThecabinetisdefrostingApproximatelywaitforonehour.Ifcompressorstill
staysoff,callfortechnicalassistance
CloggingofcondenserCleanupthecondenser
CondenserfansarefailedtorunCallfortechnicalassistance
HP/LPpressurecontrolswitchcuts‐out
thecompressorCallfortechnicalassistance
ElectroniccontrollerisdefectiveCallfortechnicalassistance

Compressor
workscontinuously
Compressorcontactorisadheredor
anyotherproblemisoccurredCallfortechnicalassistance
Therefrigerantisnotadequateinthe
circuitCallfortechnicalassistance
SettingparametersarewrongChecksetvalueandothersettingparameters
Cabinetisoverloadedorstorageof
productsiswrong
Checkloadingofproductsandanalyseifanyfactor
preventsaircirculation

Thecabinethasnocapabilityof
refrigeration
Cloggingofcondenser(condenseris
dirty)Cleanupthecondenser
CompressorisoutoforderFollowtheinstructionsdescribedabove
Cloggingofevaporator(iceorsnow
formation)
Manuallydefrostthecabinetandcheckthesetting
valuesofthedefrost
Cabinetisoverloadedorstorageof
productsiswrong
Checkloadingofproductsandanalyseifanyfactor
preventsaircirculation
Cabinetisplacedclosetoaheatorlight
sourceoraffectedbyairmovement
Changethepositionofthecabinetorremovethe
heatsources
Settingparameter(s)iswrongChecksetvalueandothersettingparameters

Illuminationis
notfunctioning
LightingswitchisoffTurntheswitchon
LEDsand/orLEDdriver(s)aredefectiveReplace
Electricalsystemofthecabinetis
malfunctioned

Callfortechnicalassistance
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MalfunctionCauses
RecommendedSolutions

Abnormalsound
fromthecabinet
Somenuts,boltsormovingparts
areloosenedCheckandtighten.Ifitisnecessary,replace
Fansaretouchinganobjector
connectionscrewsareloosened
Checkifthereisanobjectthattouchesthe
evaporatorfans.Fixitbytighteningthe
loosenedparts
AfailureinmechanicalpartsCallfortechnicalassistance
15

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4 Controls
4.1 HowtoUse“CARELPJEZCTemperatureController”
4.1.1 GeneralAppearance

4.1.2 Introduction&GeneralDescriptions
EasyiselectronicmicroprocessorcontrollerwithLEDdisplay,developedforthemanagementof
refrigeratingunits,displaycabinetsandshowcases.Thestructureoftheparametershasbeen
enhancedwithnewfunctionsformoredynamicandeffectivemanagementofthetemperature
controlanddefrost.Themostcompletesolutionforlowtemperatureventilatedunits,with
threerelaysforcompletecontrolofthecompressor,fananddefrostfunctions.

4.1.3 Display


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4.1.4 Keypad



4.1.5 FunctionsAvailablefromtheKeypad
ON&OFFtheInstrument:
SwitchingtheinstrumentON:pressUPformorethan3s(whenpressingthebutton,the
displayshowsON).
SwitchingtheinstrumentOFF:pressUPformorethan3s.Thedisplayshowsthe
message“OFF”,alternatingwiththetemperaturemeasuredbythesetprobe.
SetPointSetting(DesiredTemperatureValue)
Theeasy,easycompactandeasysplitdevicescontrolthedesiredtemperature(set
point)insidethecabinetorcoldroomdirectlyanddynamically.
Toviewandmodifythesetpoint:
PressSETfor1s,thesetvaluewillstartflashing;
IncreaseordecreasethevalueusingUPorDOWN;
PressSETtoconfirmthenewvalue.
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ManualDefrost
PressDOWNformorethan3s(activatedonlyifthetemperatureconditionsareright,
foreasysplitonlyifthelightoutputisnotset,H1≠4).

4.1.6 Alarms


4.1.7 TemperatureControl
Thetemperatureintheapplianceisregisteredbytwotemperaturesensorswhicharelocatedin
theairflowaftertheevaporator(Sair)andontheevaporator(S5)respectively.
4.1.8 LiquidManagement
Liquidinjectionintheevaporatoriscontrolledbycapillarytubes.
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5 ControllerSettingParameters
5.1 CARELPJEZC

Parameter
ListCALLLISTODUALPLCARELPJEZCREV00
ControllerCARELPJEZCUnitCHILLEDFROZEN
Parameters
PSPassword‐ 2222
StSetpoint°C/°F0,0‐25,0
ProbeParameters
/2Probemeasurementstability‐11
/4Selectprobedisplayed‐11
/5Select°C/°F‐00
/6Disabledecimalpoint‐00
/C1Probe1offset°C/°F00
/C2Probe2offset°C/°F00
/C3Probe3offset°C/°F00
RControlParameters
rdControldifferential°C/°F12
r1Minimumsetpointvalue°C/°F‐3‐26
r2Maximumsetpointvalue°C/°F2‐20
r3Selectdirect/reverseoperation‐00
r4Night‐timesetpointdelta°C/°F00
CCompressorParameters
C0Compressorandfanstartdelayonpower‐upmin.11
C1Minimumtimebetweenconsecutivecompressorstartsmin.22
C2Minimumcompressorofftimemin.22
C3Minimumcompressorontimemin.00
C4Compressorontimewithdutysettingmin.100100
CcContinuouscycledurationh44
C6Temperaturealarmbypassaftercontinuouscycleh00
DDefrostParameters

d0
Typeofdefrost0=heater,1=hotgas,2=heaterontime,3=hot
gasontime,4=heatingtimeandtemperatureonthevalue
off

‐

4

4
dlİntervalbetweendefrostsh/min.312
dtEnddefrosttemperaturesetpoint/defrosttemperature
thresholdwithtemperaturecontrol°C/°F83
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