Munters IceDry 30 User manual

Originalinstructions
Usermanual
IceDry30
Desiccantdehumidier
190TEN-1049-H1307©MuntersEuropeAB2013

Importantuserinformation
Intendeduse
Muntersdehumidiersareintendedtobeusedforthe
dehumidicationofair.Anyotheruseoftheunit,or
usewhichiscontrarytotheinstructionsgiveninthis
manual,cancausepersonalinjuryanddamagetotheunit
andotherproperty.
Nomodicationoftheunitisallowedwithoutprior
approvalbyMunters.Attachmentorinstallation
ofadditionaldevicesisonlyallowedafterwritten
agreementbyMunters.
Warranty
Thewarrantyperiodisvalidfromthedatetheunit
leftourfactory,unlessotherwisestatedinwriting.
Thewarrantyislimitedtoafreeexchangeofpartsor
componentswhichhavefailedasaresultofdefectsin
materialsorworkmanship.
Allwarrantyclaimsmustincludeproofthatthe
faulthasoccurredwithinthewarrantyperiodand
thattheunithasbeenusedinaccordancewiththe
specications.Allclaimsmustspecifytheunittypeand
fabricationnumber.Thisinformationisstampedonthe
identicationplate,seesectionMarking.
Itisaconditionofthewarrantythattheunitforthefull
warrantyperiodisservicedandmaintainedbyaqualied
MuntersengineerorMuntersapprovedengineer.
Accesstospecicandcalibratedtestequipmentis
necessary.Theserviceandmaintenancemustbe
documentedforthewarrantytobevalid.
AlwayscontactMuntersforserviceorrepair.Operating
faultscanoccuriftheunitismaintainedinsufcientlyor
incorrectly.
Safety
Informationaboutdangersareinthismanualindicated
bythecommonhazardsymbol:
W W
WARNING! ARNING! ARNING!
Indicatesapossibledangerthatcanleadtopersonalinjury.
CA CA
CAUTION! UTION! UTION!
Indicatesapossibledangerthatcanleadtodamagetothe
unitorotherproperty,orcauseenvironmentaldamage.
NOTE!Highlightssupplementaryinformationforoptimal
useoftheunit.
ConformitywithDirectives
Thedehumidierisinconformitywiththeessential
safetyrequirementsoftheMachineryDirective
2006/42/EC,theLowVoltageDirective2006/95/EC
andtheEMCDirective2004/108/EC.The
dehumidierismanufacturedbyanISO9001:2008
accreditedmanufacturingorganisation.
Copyright
Thecontentsofthismanualcanbechangedwithout
priornotice.
NOTE!Thismanualcontainsinformationwhichis
protectedbycopyrightlaws.Itisnotallowedtoreproduceor
transmitanypartofthismanualwithoutwrittenconsentfrom
Munters.
Pleasesendanycommentsregardingthismanualto:
MuntersEuropeAB
TechnicalDocumentation
P.O.Box1150
SE-16426KISTASweden
e-mail:[e-mail]
iiImportantuserinformation190TEN-1049-H1307

Tableofcontents
Importantuserinformation...............ii
Intendeduse...........................ii
Warranty...............................ii
Safety..................................ii
ConformitywithDirectives............ii
Copyright..............................ii
Tableofcontents...........................iv
1Introduction.................................1
1.1General................................1
1.2Aboutthismanual.....................1
1.3Safetyandcautions...................1
1.4Marking................................3
1.5Supervisionofoperation..............3
1.6Faultindications.......................3
2Productdesign..............................4
2.1Productdescription...................4
2.2Principleofoperation..................4
2.3Maincomponents.....................5
3Transport,inspectionandstorage.......6
3.1Movingtheequipment................6
3.2Packaginganddeliveryinspection...6
3.3Storingtheequipment................6
4Installation...................................7
4.1General................................7
4.2Safety..................................7
4.3Siterequirements.....................7
4.4Wheretoinstallthedehumidier.....8
4.5Ducting.................................8
4.5.1Generalrecommendations...8
4.5.2Processairinlet................9
4.5.3Dryairoutletduct..............9
4.5.4Reactivationairintake........9
4.5.5Ductworkforwetairoutlet.....10
4.6Installationexamples—coldstorage
room(freezer).........................11
4.7Electricalconnections................12
4.8Pre-startsettings......................13
4.9Pre-startchecks.......................13
4.10Airowcheckandadjustment........14
5Operation....................................15
5.1General................................15
5.2Safety..................................15
5.3Quickstop..............................15
5.4Externalelectricalcabinet............16
5.5Operatingtheunit.....................17
5.5.1General.........................17
5.5.2Start.............................17
5.5.3Restartafterpowerfailure.....17
5.5.4Stop.............................18
5.5.5Alarms..........................18
5.6Defrosting..............................18
5.6.1Duringoperation...............18
5.6.2Duringdowntime...............18
6Controlsystem..............................19
6.1General................................19
6.2Structure...............................19
6.3Workingwiththecontrolsystem......19
6.4Operatingwindows(windows1-5)...20
6.4.1Window1,Reactivation
temperature....................20
6.4.2Window2,Runtime............20
6.4.3Window3,Motorstatus........21
6.4.4Window4,Reactivation
power...........................21
6.4.5Window5,Alarm...............21
6.5Basicsettings(windows10-12)......22
6.5.1Display10,Software
information.....................22
6.5.2Display11,Defrostingduring
operation.......................22
6.5.3Window12,Defrostingduring
downtime.......................23
7Serviceandmaintenance.................24
7.1Safety..................................24
7.2General................................24
7.3Serviceoptions........................24
7.4Extendedwarranty....................24
7.5Serviceindicatorlamp................25
7.6Serviceandmaintenanceschedule..26
8Faulttracing.................................28
8.1General................................28
8.2Safety..................................28
ivTableofcontents190TEN-1049-H1307

8.3Faulttracinglist........................28
9Technicalspecication....................30
9.1Dimensionsandservicespace.......30
9.2Technicaldata.........................31
9.3Sounddata.............................32
10Scrapping....................................33
11ContactMunters............................34
190TEN-1049-H1307Tableofcontentsv

IceDry30
1Introduction
1.1General
Muntersmanufacturesawiderangeofefcientdehumidiersdesignedfordifferentusesandapplications.
PleasecontactyournearestMuntersofceifyouhaveanyquestionsregardingtheinstallationofyour
dehumidier,orvisitthewebsiteatwww .munters.com.
Theunitisinspectedandcheckedpriortoleavingthefactorytoguaranteeconsistentqualityandmaximum
reliability.Forproductdata,seesectionTechnicalspecication.
1.2Aboutthismanual
Thismanualiswrittenfortheuserofthedehumidier.Itcontainsnecessaryinformationforhowtoinstall
andusethedehumidierinasafeandefcientway.Readthroughthemanualbeforetheunitisinstalledand
used.
1.3Safetyandcautions
Everymeasurehasbeentakeninthedesignandmanufactureofthedehumidiertoensurethatitmeetsthe
safetyrequirementsofthedirectivesandstandardslistedintheECDeclarationofConformity.
Theinformationinthismanualincludessuggestionsforbestworkingpracticeandshallinnowaytake
precedenceoverindividualresponsibilitiesorlocalregulations.
Duringoperationandotherworkwithamachineitisalwaystheresponsibilityoftheindividualtoconsider:
■Thesafetyofallpersonsconcerned.
■Thesafetyoftheunitandotherproperty.
■Theprotectionoftheenvironment.
Forinformationaboutthesafetysymbolsusedinthismanual,seesectionImportantuserinformation.
1Introduction190TEN-1049-H1307

IceDry30
W W
WARNING! ARNING! ARNING!
-Theunitisnotintendedforuseinhazardous(classied)areaswhereexplosionsafetycompliantequipment
isrequired.
-Theunitmustnotbesplashedwithorimmersedinwater.
-Donotconnecttheunittoothermainsvoltagethanspeciedontheunit’sidenticationplate,seesectionMarking.
-Themainspowersupplyispermanentlyconnectedtothemainpowerswitchoftheunit.
-Donotoperatetheunitnearanyheat-generatingdevicesorammableanddangerousmaterials.
-Donotinsertngersoranyotherobjectsintotheairvents.
-Allelectricalinstallationsmustbecarriedoutbyaqualiedelectricianandinaccordancewithlocalregulations.
-Thedehumidiercanrestartautomaticallyafterapowercut.Alwayssetandlockthemainpowerswitchinthe
OFFpositionbeforecarryingoutanyservicework.
-Useonlyapprovedliftingequipmenttopreventaccidents.
-AlwayscontactMuntersforserviceorrepair.
190TEN-1049-H1307Introduction2

IceDry30
1.4Marking
Type
Fabr. No. 0914 190XXX XXXXX
3 ~ 400V 50 Hz
4,56 kW
Max 22,6 kW
Munters Europe AB
Isa fjords ga ta n 1
164 26 Kista, Swe de n
M
IP33
Fabr. yea r
18 kW
Ma de in S we de n
Ice Dry30
2009
Explanationof"Fabr.No"ontheidenticationplate:
09=yearofmanufacture,19=weekofmanufacture,190XXX=articlenumber,XXXXX=serialnumber
1.5Supervisionofoperation
Thedehumidieriscontrolledandmonitoredfromtheoperatorpanellocatedontheexternalelectrical
cabinet.
1.6Faultindications
Anyfaultsareindicatedthroughilluminationoftheredlampontheoperatorpanel.Fordetailed
information,seesection6.4.5,Window5,Alarm.
3Introduction190TEN-1049-H1307

IceDry30
2Productdesign
2.1Productdescription
ThedesiccantdehumidiersintheIceDryserieshavebeendevelopedtoeffectivelydehumidifytheairin
coldstoresinordertominimisefrostandicebuild-up
Thedehumidierisequippedwithanencapsulatedrotorunit.Therotorcasingisconstructedofdurable
thermosetplasticandcontainsisolatedsectionsthatprovideaprecisebalanceforthedehumidication,
reactivationandheatrecoveryairows.
TheelectricalcontrolsystemcomplieswiththeEN60204(IEC60204)standards.Foroperating
temperature,seesection9.2,Technicaldata.
ThedehumidierismanufacturedinaccordancewithuniformEuropeanstandardsandestablished
requirementsforCE-marking.
2.2Principleofoperation
2
1
4
3
Figure2.1Principleofoperation
1.Processair
2.Dryair
3.Reactivationair
4.Wetair
Thedesiccantrotorismadeofacompositematerialthatishighlyeffectiveinattractingandretainingwater
vapour.Therotorisdividedintwozones.Theairowtobedehumidied,processair,passesthrough
therotor'slargestzoneandthenleavestherotorasdryair.Sincetherotorrotatesslowly,theincomingair
alwaysmeetsadryzoneontherotor,thuscreatingacontinuousdehumidicationprocess.
Theairowthatisusedtodrytherotor,reactivationair,isheated.Thereactivationairpassesthrough
therotorintheoppositedirectiontotheprocessairandleavestherotoraswetair(warm,moistair).This
principleenablesthedehumidiertoworkeffectively,evenatfreezingtemperatures.
190TEN-1049-H1307Productdesign4

IceDry30
2.3Maincomponents
8
10
2
3
6
14
5
97
Figure2.2Maincomponents
1.Rotorsealring6.Lowerrotorcover
2.Rotor7.Reactivationfan
3.Upperrotorcover8.Processfanmotor
4.Reactivationheater9.Externalelectricalcabinet
5.Rotordrivemotor10.Processairlter
5Productdesign190TEN-1049-H1307

IceDry30
3Transport,inspectionandstorage
3.1Movingtheequipment
Thedehumidierisdeliveredonapalletandmustbehandledcarefully.Allpaneldoorsontheunitmustbe
closedduringtransport.Providedthatthedehumidierisstillsecuredtoitsdeliverypallet,itcanbemoved
usingafork-lifttruck.
Weightofthedehumidiercanbefoundinsection9.1,Dimensionsandservicespace.
3.2Packaginganddeliveryinspection
1.Checkthedeliveryagainstthedeliverynote,orderconrmationorotherdeliverydocumentationand
checkthateverythingisincludedandnothingisdamaged.
2.ContactMuntersimmediatelyifthedeliveryisnotcompleteinordertoavoidinstallationdelays.
3.Iftheunitistobeputintostoragepriortoinstallation,seesectionStoringtheequipment.
NOTE!Ifinstallationisnottobecarriedoutimmediatelyafterarrivaloftheequipment,itisadvisabletoleave
thepackagingmaterialinplaceonthedehumidier,ortore-usethepackagingmaterialtoprovidetemporary
protectionfortheunitduringlatertransportationtothesiteandduringinstallation.
4.Removeallpackagingmaterialfromtheunit,checkcarefullytomakesurethatnodamagehasoccurred
duringtransportation.
5.AnyvisibledamagemustbereportedinwritingtoMunterswithin5daysandpriortoinstallationof
theunit.
6.Disposeofthepackagingmaterialaccordingtolocalregulations.
NOTE!G3ltercartridgesforprocessandreactivationairareincludedinthedelivery.Onecartridgeismounted
onthedehumidierprocessairinletandoneontheoutsideofthecold-storageroom,inthereactivationairinlet.
3.3Storingtheequipment
Thefollowingisimportantifthedehumidieristobestoredpriortoinstallation:
■Placethedehumidierinanuprightpositiononahorizontalsurface.
■Protectthedehumidierfromphysicaldamage.
■Storethedehumidierundercoverandprotectitfromdust,frost,rainandaggressivecontaminants.
190TEN-1049-H1307Transport,inspectionandstorage6

IceDry30
4Installation
4.1General
IceDrydehumidiersareintendedforinstallationincoldstoreswithambientairdowntominus25°C.
Theseconditionsrequirethatinstallationinstructionsarefollowedcarefullyasfaultyinstallationcanresult
inseriousoperationaldisturbances.
Iftheunitistobeputintostoragepriortoinstallation,seesection3.3,Storingtheequipment.
4.2Safety
W W
WARNING! ARNING! ARNING!
Themainspowersupplyispermanentlyconnectedtothemainpowerswitchoftheunit.Adjustments,
maintenanceandrepairsmustonlybecarriedoutbyauthorisedpersonnel.
W W
WARNING! ARNING! ARNING!
Thewetairoutletishot.Toavoidburnsfromunintendedcontact,makesureitisinsulated.
CA CA
CAUTION! UTION! UTION!
Thebuilt-inheaterrequiresacontinuouspowersupplytopreventfunctionaldisorder.Onlyswitchofftheunit's
powerincaseofemergency.
CA CA
CAUTION! UTION! UTION!
Condensationiseasilyformedontheinsideoftheductduetothehighhumidityofthereactivationair.Toavoid
condensation,theductworkmustbeinsulated
CA CA
CAUTION! UTION! UTION!
Activatethemainswitchforthedehumidierassoonastheunithasbeeninstalled.Thisallowsthebuilt-inheater
tooperateandpreventsinternaliceformation.
CA CA
CAUTION! UTION! UTION!
Beforestartingtheunit,thereactivationairinletandwetairoutletmustbethoroughlychecked.Anyicemustbe
removed.Toavoidmalfunction,itisimportanttohaveclearairpassagethroughouttheductwork.
CA CA
CAUTION! UTION! UTION!
Iftheprocessairowdamperisfullyopen,thehighcoldairdensityinthecold-storageroomcoulddamagethe
processairfan.
CA CA
CAUTION! UTION! UTION!
Failuretocorrectlyadjusttheprocessandreactivationairowscouldcausetheunittomalfunction.
4.3Siterequirements
Thedehumidierisadaptedtooperationinsidecoldstores.Thepermittedoperationaltemperatures
arefromminus25to0°C.Itisimportantthattheintendedinstallationsitemeetsthelocationandspace
7Installation190TEN-1049-H1307

IceDry30
requirementsfortheequipmentinordertoachievethebestpossibleperformanceandfacilitateservicing.
Therefore,complywiththerecommendedservicespaces,seesection9.1,Dimensionsandservicespace.
NOTE!Theunitmustberemovedfromthecoldstoreatcertainserviceintervals.Haveextracablesforunit
connectionavailable.
4.4Wheretoinstallthedehumidier
Selectaplacewherethedehumidiercausestheleastdisturbancetothecold-storageroomactivities,while
allowingformaintenanceworksuchasprocesslterreplacement.
Whentheunitisinstalledonabaseframe,thebaseframemustbedesignedinsuchawaythatitcaneasilybe
removedfromthecoldstore/freezer.Makesureopeningsforforkliftareincluded.
Thedehumidiermustbeplacedsothatthereisnoriskoftheprocessintakeandltericingup.Icenormally
formsnearthedoorsandair-locksofthecoldstorewherewarm,humidairowsin.
Installthedehumidierinsuchawaythatthereactivationairandwetairductsareasshortaspossible,max
1.5m.Seesection4.6,Installationexamples—coldstorageroom(freezer).
4.5Ducting
4.5.1Generalrecommendations
NOTE!Vibrationreduction.Ifthereisaneedtoforreductionofvibrationsfromthedehumidier,contactMunters
forinstructions.RefertostandardEN1299+A1:2008.
Duetothecoldsurroundingsandriskoffreezing,itisvitalthatallductingareinstalledaccordingto
instructions.Seealso4.6,Installationexamples—coldstorageroom(freezer).
Tofacilitateeasytransferofthedehumidieroutofthecold-storageroomforservice,allductconnections
shouldbeeasilydisassembled.Shouldthedehumidier,despitethisrecommendation,beinstalledinsucha
waythatitcannotbeeasilyremovedforservice,itisimportantthattheminimumservicespacerequirements
aremet,see9.1,Dimensionsandservicespace.Avapour-tightconnectionbetweenthewallandtheductisvital.
Preferably,polyurethanefoamshouldbeusedifthetemperatureissufcientlyhighduringapplication.
Wheninstallingductworkbetweenthedehumidierandtheinletandoutletconnections,thefollowing
recommendationsshouldbeobserved:
■Thelengthofductworkshouldbekeptasshortaspossibletominimisestaticairpressurelosses.
■Tomaintainperformance,allrigidprocessorreactivationairductworkjointsmustbeairandvapour
tight.
■Thedesignoftheductconnectionsshouldfacilitateeasydisconnectionoftheunitforserviceoutside
thecold-storageroom.
■Condensationeasilybuildsupontheinsideoftheductduetothehighhumidityofthereactivationair.
Toavoidcondensation,theductworkmustbeinsulated.
■Theprocessairductworkshouldbeinsulatedtopreventcondensationfromdevelopingontheoutside
oftheductwheneverthetemperatureoftheairwithintheductfallsbelowthedewpointoftheambient
airthroughwhichtheductworkisrouted.
■Thewetairleavingthedehumidierwilleasilycausecondensationontheinsideoftheductwallsdueto
thehighmoisturecontent.Thismustbeavoidedbyinsulatingtheducts.
190TEN-1049-H1307Installation8

IceDry30
■Ensurethataccessforoperationandservicingisnotrestrictedwhendesigningandinstallingducting.
Formoreinformation,seesection9.1,Dimensionsandservicespace.
■Toreducenoiseand/orvibrationbeingtransmittedalongrigidductwork,goodquality,airtightexible
connectionsshouldbetted.
■Ductsmounteddirectlyontothedehumidiershouldbeadequatelysupportedtominimisetheloadand
stressduetotheweightandmovementoftheducting.
■Dampersforbalancingtheairowmustbeinstalledinthereactivationairinletduct.Correctairows
areessentialformaintainingtheoperatingefciencyoftheunit.Forairowadjustmentdetails,see
section4.10,Airowcheckandadjustment.
■Processairpressureandowareadjustedusingtheprocessairfan'sfrequencyconverter.Ifthisisthe
case,itisnotnecessarytohaveadamperinthedryairduct.
■Thetotalresistanceintheprocessandreactivationductworkmustnotexceedtheperformancerating
ofthefansttedinthedehumidier.Fordetailsofminimumavailablestaticpressure,seechapter
9.2,Technicaldata.
4.5.2Processairinlet
Thedehumidierhasanexternallterboxfortheprocessairinlet.Ifthereisariskoftheprocessairlter
icingup,aductshouldbeconnectedtoretrieveprocessairfromadrylocation5-10metresfromthedoor
opening.Thelterboxcanthenbemovedtotheinletsideoftheduct.
4.5.3Dryairoutletduct
Channeloutthedryairfromthedehumidieranddistributeitsothatitmixeswiththewarm,humidairthat
normallyentersthecoldstoreabovethedoorsandair-locksthatareopenedregularly.Installanadjustable
damperintheduct.
4.5.4Reactivationairintake
Placethereactivationairintakeandlterboxoutsidethecoldstore.Mountthelterboxdirectlyonthewall.
Theducttothedehumidierreactivationairintakeshouldbeatmost1.5metreslong,andmustbeinsulated
topreventicebuild-up.Thisalsoappliestothesectionofductpassingthroughthewall.Anadjustable
damperisinstalledintheduct.
Topreventtheoutgoingwetairhumidifyingtheincomingreactivationair,thereactivationairintakemustbe
positionedatleast2metresfromthewetairoutlet
9Installation190TEN-1049-H1307

IceDry30
A.Reactivationair
B.Wetair
1.Filterbox
2.Condensatedrains
~ 0,5 m 1
3
A
B
2
Min.
2,0 m
2
Figure4.1Inletforreactivationairandoutletforwetair.
3.Vapour-tightgrommet
4.5.5Ductworkforwetairoutlet
Thewetairductmustbemadeofplasticoranothercorrosionresistantmaterial.Itmustbeabletohandle
temperaturesbetween-30°Cand75°C,benomorethan1.5metreslongandbeinsulatedtopreventice
formation.Thisalsoappliestothepartoftheductpassingthroughthewall.
Becauseofitshighmoisturecontentthewetairleavingthedehumidierwillcondenseontheinsideof
theductwalls.Duetothelowambienttemperaturethereisariskoficeformation.Thewetairductmust
thereforebeinsulated.
■Horizontalductsmustbeinstalledwithaslightdecline(awayfromthedehumidier)todrainaway
possiblecondensation.Thedeclinemustbeatleast2cm/mofduct.
■5mmdrainholesshouldbemadeatlowpointsoftheducttopreventwateraccumulationintheduct.
■Topreventtheoutgoingwetairfromhumidifyingtheincomingreactivationair,thewetairoutletmust
beplacedatleast2metresfromthereactivationinlet.SeeFigure4.1.
NOTE!Alwaysdrillthedrainholesontheoutsideofthecoldstorage/freezerroomwall.
W W
WARNING! ARNING! ARNING!
Thewetairoutletishot.Toavoidburnsfromunintendedcontact,makesureitisinsulated.
190TEN-1049-H1307Installation10

IceDry30
4.6Installationexamples—coldstorageroom(freezer)
Muntersrecommendsthefollowinginstallations.Ifindoubt,contactMuntersforadvice.
Notetheservicespacerequirementsinsection9.1,Dimensionsandservicespace.
2 - 3 m
Figure4.2Positionbehindscreen.
5 - 10 m
Figure4.3Positionfarawayfromdoor/airlock.
11Installation190TEN-1049-H1307

IceDry30
5 - 10 m
Figure4.4Processairductfarawayfromdoor/airlock.
CA CA
CAUTION! UTION! UTION!
Activatethemainswitchforthedehumidierassoonastheunithasbeeninstalled.Thisallowsthebuilt-inheater
tooperateandpreventsinternaliceformation.
Theopeningsofinletandoutletductsmustbewellsealedduringinstallationandoperationstops,whenthe
dehumidierisnormallyswitchedoff.Thispreventsiceformationinductsanddehumidiercausedby
unintendedventilationandlowtemperatureinthecold-storageroom.
4.7Electricalconnections
W W
WARNING! ARNING! ARNING!
Allelectricalinstallationsmustbecarriedoutbyaqualiedelectricianandinaccordancewithlocalregulations.
Allunitsaredeliveredcompletewithallinternalcablinginstalledandconguredtothevoltageand
frequencygivenontheIDplate.
NOTE!Supplyvoltagemustnotvarymorethan10%ofthespeciedoperatingvoltage.
Theunitmustbeadequatelyconnectedtoearth.
Forconnectiondetails,refertotheIDplate,Electricalcircuitdiagramsorsection9.2,Technicaldata.The
connectioncableandmainfusesmustbesuitabletotheunitbeinginstalled.
Connecttheunitwithaexiblecabletoawallmountedsocket.Thiswaytheunitcaneasilybedisconnected
fromthepowersupplybyremovingtheplugfromthesocket.
Thedehumidierisconnectedtotheexternalelectricalcabinetviathesuppliedcables(about10m)with
markedconnectors.Aspecialbracketisprovidedforwallmountingoftheexternalelectricalcabinet.
190TEN-1049-H1307Installation12

IceDry30
4.8Pre-startsettings
Ondeliverytheoperationalparametersaresetforuseinacoldstore.
Anumberofalternatives,tominimisetheriskofoperationaldisturbance,canbesetoninitialstart-up,see
section6,Controlsystem.
Theapplicationdoesnotrequiretheconnectionofexternalsensorsorexternalinput/outputsignals.
4.9Pre-startchecks
W W
WARNING! ARNING! ARNING!
Themainpowersupplyispermanentlyconnectedtothemainpowerswitchoftheunit.Adjustments,maintenance
andrepairsmustonlybecarriedoutbyauthorisedpersonnel.
Beforestartingthedehumidierforthersttime,ensurethatthemainpowersupplyisisolatedfromthe
dehumidierandcarryoutthefollowingchecks:
1.MakesurethatthemodeselectorswitchonthedehumidierisintheOFFposition..
2.Makesurethattheairintakeltersareundamagedandproperlytted,andthatallareasinsidetheunit
arecleanandfreefromice.
3.Visuallyinspectallductingandductconnectionstomakesurethatallconnectionshavebeencorrectly
installedandthattherearenosignsofdamagetothesystem.Alsocheckthatallductsarefreefrom
obstaclesblockingtheairpassage.
4.Checkthattheincomingpowersupplyvoltageiscorrectandthatthecablesarecorrectlyconnected.
5.Afterconnectingtheprocessfantopower,checkthefanturningdirection.
6.Openthedehumidier'sfrontpanel.
7.Startthedehumidierandcheckthatthefanisturning.
8.Switchoffthedehumidierandcheckthefanjustbeforeitstops.Makesureithasaclockwiserotation
9.Makesurethattheunit'spowersupplyandmainswitchareonassoonastheunithasbeeninstalledinthe
cold-storageroom.Ifnot,checkifthereisiceintheunit.
10.Setthedamperforthereactivationairowfullyopen.
11.Setthedamperfortheprocessairow50%open.
CA CA
CAUTION! UTION! UTION!
Iftheprocessairowdamperisfullyopen,thehighcoldairdensityinthecold-storageroomcoulddamagethe
processairfan.
CA CA
CAUTION! UTION! UTION!
Beforestartingtheunit,thereactivationairinletandwetairoutletmustbethoroughlychecked.Anyicemustbe
removed.Toavoidmalfunction,itisimportanttohaveclearairpassagethroughouttheductwork.
13Installation190TEN-1049-H1307

IceDry30
4.10Airowcheckandadjustment
ContactMuntersServicefordehumidierinstallationandadjustment.TheaddressestoMunterscanbe
foundonthebackpageofthismanual.
CA CA
CAUTION! UTION! UTION!
Iftheprocessandreactivationairowsarenotproperlyadjusted,theunitcanmalfunction.Theairowmustbeset
tomaximum10%abovethespeciednominalvaluelistedinsection9.2,Technicaldata.
1.Byadjustingthedampersinstalledinthedryairoutletandreactivationairinletducts,theprocessand
reactivationairowscanbechangedtotherequiredsetting.
2.Startthedehumidierforapproximately10minutestoallowthereactivationheatertoreachitsnormal
operatingtemperature.Seesection5.5,Operatingtheunit.
3.Checkthatthetemperaturedifferencebetweenreactivationairdownstreamoftheheater,andthe
regenerationtemperatureisapprox.95°C(tolerancelimitis±5°C).
4.Ifthetemperaturedifferenceliesoutsideofthetolerancelimit,thereactivationairdampercanbe
adjustedinsmallsteps(whichcausesthetemperatureindicatortostabiliseaftereachadjustment)until
reactivationtemperatureiswithinthespeciedtolerances.
Example:
Inletairtemperature=15°C
Reactivationairtemperature=110°C
Temperatureincrease=95°C
190TEN-1049-H1307Installation14

IceDry30
5Operation
5.1General
Thedehumidierisequippedwithanexternalelectricalcabinetcontainingcontrolpanel,mainpower
switch,modeswitch,displayandindicatorlamps.
Themodeswitchhastwooperatingpositions:
■Position0:Nodehumidication.Theheaterintheelectricalcabinetandthereactivationheaterisstillin
operationtoavoidiceformation.Anautomaticrotordefrosterfunctionmaystillbeinoperation,see
section5.6.2,Duringdowntime.
■Position1:Continuousoperationanddehumidication.Automaticrotordefrostingisnormalduring
operation,seesection5.6.1,Duringoperation.
5.2Safety
W W
WARNING! ARNING! ARNING!
Inthecaseofapowercut,thedehumidierwillrestartautomaticallywhenthepowersupplyisrestored.
CA CA
CAUTION! UTION! UTION!
Atinitialstart-uporwhenrestartingafteraservicestop,themainpowerswitchmusthavebeenonforatleast12
hoursbeforestarting.Thisisnecessarytoremoveanyicebuild-upinsidetheunit.
CA CA
CAUTION! UTION! UTION!
Beforestartingtheunit,thereactivationairinletandwetairoutletmustbethoroughlychecked.Anyicemustbe
removed.Toavoidmalfunction,itisimportanttohaveclearairpassagethroughouttheductwork.
CA CA
CAUTION! UTION! UTION!
Topreventdamagetothefans,theunitmustnotberunforlongerthanafewminutespriortosetting-uptheprocess
andreactivationairows.
CA CA
CAUTION! UTION! UTION!
Donotturnoffthemainpowerswitch.Thiscanleadtoiceformationandmalfunctionofthedehumidier.
5.3Quickstop
Themodeswitchisusedtostartandstoptheunitinnormaloperation.Incaseofanemergency,usethemain
powerswitchonthedehumidier,seesection5.4,Externalelectricalcabinet.
CA CA
CAUTION! UTION! UTION!
Onlyusethemainpowerswitchtostoptheunitinthecaseofanemergency.Thenormalshutdownsequencewill
notbefollowed.Thefansstopandtheheatercanbeveryhot,whichcanresultindamagetotheheaterandother
componentsclosetoit.
15Operation190TEN-1049-H1307