Munters M120 Owner's manual

Brand: Munters

Model: M120

Type: Owner's manual

Originalinstructions

Usermanual

M120

Desiccantdehumidier

190TGB-1008-H1402©MuntersEuropeAB2014

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.

Itisaconditionofthewarrantythattheunitforthe

fullwarrantyperiodisservicedandmaintainedas

describedinsectionServiceandmaintenance.Theservice

andmaintenancemustbedocumentedforthewarranty

tobevalid.

Safety

Informationaboutdangersareinthismanualindicated

bythecommonhazardsymbol:

W W

ARNING! ARNING!

ARNING!

Indicatesapossibledangerthatcanleadtopersonalinjury.

CA CA

UTION! UTION!

UTION!

Indicatesapossibledangerthatcanleadtodamagetothe

unitorotherproperty,orcauseenvironmentaldamage.

NOTE!Highlightssupplementaryinformationforoptimal

useoftheunit.

ConformitywithDirectives

Thedehumidierisinconformitywiththeessential

safetyrequirementsoftheMachineryDirective

2006/42/EC,theLowVoltageDirective2006/95/EC,

theRoHSDirective2011/65/ECandtheEMC

Directive2004/108/EC.Thedehumidieris

manufacturedbyanISO9001:2008accredited

manufacturingorganisation.

Thecontentsofthismanualcanbechangedwithout

priornotice.

NOTE!Thismanualcontainsinformationwhichis

protectedbycopyrightlaws.Itisnotallowedtoreproduceor

transmitanypartofthismanualwithoutwrittenconsentfrom

Munters.

Pleasesendanycommentsregardingthismanualto:

MuntersEuropeAB

TechnicalDocumentation

P.O.Box1150

SE-16426KISTASweden

e-mail:t-doc@munters.se

iiImportantuserinformation190TGB-1008-H1402

Tableofcontents

Importantuserinformation...............ii

Intendeduse...........................

Warranty...............................

Safety..................................

ConformitywithDirectives............

Tableofcontents...........................iii

1Introduction.................................1

1.1Aboutthismanual.....................

1.2Unintendeduse........................

1.3Safety..................................

1.4Marking................................

2Dehumidierdesign.......................4

2.1Productdescription...................

2.2Principleofoperation..................

3Transport,inspectionandstorage.......5

3.1Transport..............................

3.2Inspectionofdelivery.................

3.3Storingtheequipment................

4Installation...................................6

4.1Safety..................................

4.2Siterequirements.....................

4.3Connectionofductsandhoses.......

4.4Electricalconnections................

4.5Continuousfanoperation............

4.6Connectingthehumidistat............

4.7Reactivationairowadjustment......

5Operation....................................13

5.1Safety..................................

5.2Start....................................

5.2.1Manualoperation..............

5.2.2Automaticoperation...........

5.3Stoptheunit............................

6Serviceandmaintenance.................15

6.1General................................

6.2Maintenanceschedule................

6.3Filterreplacement.....................

7Faulttracing.................................17

8Technicalspecication....................18

8.1Dimensionsandservicespace.......

8.2Capacitydiagram.....................

8.3Technicaldata.........................

8.4Sounddata.............................

9Scrapping....................................22

10ContactMunters............................24

190TGB-1008-H1402Tableofcontentsiii

M120

1Introduction

1.1Aboutthismanual

Thismanualiswrittenfortheuserofthedehumidier.Itcontainsnecessaryinformationforhowtoinstall

andusethedehumidierinasafeandefcientway.Readthroughthemanualbeforethedehumidieris

installedandused.

ContactyournearestMuntersofceifyouhaveanyquestionsregardingtheinstallationortheuseofyour

dehumidier.

Thismanualmustbestoredinapermanentlocationclosetothedehumidier.

1.2Unintendeduse

■Thedehumidierisnotintendedforoutdoorinstallation.

■Thedehumidierisnotintendedforuseinclassiedareaswhereexplosionsafetycompliantequipment

isrequired.

■Thedehumidiermustnotbeinstallednearanyheatgeneratingdevicesthatcancausedamagetothe

equipment.

CA CA

UTION! UTION!

UTION!

Donotsit,stand,orplaceanyobjectsontheunit.

1Introduction190TGB-1008-H1402

M120

1.3Safety

Everymeasurehasbeentakeninthedesignandmanufactureofthedehumidiertoensurethatitmeetsthe

safetyrequirementsofthedirectivesandstandardslistedintheECDeclarationofConformity.

Theinformationinthismanualshallinnowaytakeprecedenceoverindividualresponsibilitiesorlocal

regulations.

Duringoperationandotherworkwithamachineitisalwaystheresponsibilityoftheindividualtoconsider:

■Thesafetyofallpersonsconcerned.

■Thesafetyoftheunitandotherproperty.

■Theprotectionoftheenvironment.

ThetypesofdangersthatareindicatedinthismanualaredescribedinsectionImportantuserinformation.

W W

ARNING! ARNING!

ARNING!

-Theunitmustnotbesplashedwithorimmersedinwater.

-Allelectricalinstallationsmustbecarriedoutbyaqualiedelectricianandinaccordancewithlocalregulations.

-Theunitmustbeconnectedtoanearthedelectricaloutlet.

-Donotconnecttheunittoothermainsvoltagethanspeciedontheidenticationplate.

-Donotoperatetheunitifthepowerplugorcordisdamaged,riskofelectricalshock.

-Donotpulltheplugwithwethands,riskofelectricalshock.

-Donotinsertngersoranyotherobjectsintotheairvents,rotatingfansareinside.

-Donotcovertheunitasthatcanblockairintakeoroutletandcauseare.

-Iftheunithasoverturned,cutthepowerimmediately.

-AlwayscontactMuntersforserviceorrepair.

190TGB-1008-H1402Introduction2

M120

1.4Marking

Type

Fa br. No.

Fa br. ye ar

0,1 kW

Max 1,3 kW

08 26 1 70XXX XXXXX

20 08

M120

1·

23 0V 50 Hz

ad e in Sw ede n

Weig ht: 26 k g

IP44

1,2 kW

Mun ters Eu ro pe AB

Isa fjord s gat an 1

164 26 Kis ta , Sw ede n

RoHS

Figure1.1Identicationplateposition

Type

Fa br. No.

Fa br. yea r

0,1 kW

Ma x 1,3 kW

0944 613872

2009

M120

1·

230V 50 Hz

a d e in S we d e n

Weight: 26 kg

IP44

1,2 kW

Munters Europe AB

Isa fjords ga ta n 1

164 26 Kista , S we de n

RoHS

Figure1.2Identicationplate

3Introduction190TGB-1008-H1402

M120

2Dehumidierdesign

2.1Productdescription

Thedehumidierisdesignedtoefcientlydehumidifyair.Itsverycompactconstructionincorporates

sectionsheldtogetherbyfourbolts.

Thesectionscontainfansthataredrivenbyacommonmotor,adirectgeardrivendesiccantrotoranda

reactivationairowheater.Thetwoendcasingscontaindistributionchamberswithisolatedsectionsthat

provideaprecisebalancefordehumidicationandreactivationairows.Itsruggedcasingisconstructed

fromcorrosionresistantdiecastaluminium.

TheelectricalequipmentcomplieswiththeEN60204-1standard.Thedehumidierismanufactured

accordingtouniformEuropeanstandardsandtheestablishedrequirementsforCE-marking.

2.2Principleofoperation

Thedesiccantrotoristheadsorptiondehumidifyingcomponentintheunit.Therotorstructureis

comprisedofalargenumberofsmallairchannels.

Thedesiccantrotorismadeofacompositematerialthatishighlyeffectiveinattractingandretainingwater

vapour.Therotorisdividedintwozones.Theairowtobedehumidied,processair,passesthroughthe

largestzoneoftherotorandthenleavestherotorasdryair.Sincetherotorrotatesslowly,theincomingair

alwaysmeetsadryzoneontherotor,thuscreatingacontinuousdehumidicationprocess.

Theairowthatisusedtodrytherotor,reactivationair,isheated.Thereactivationairpassesthrough

therotorintheoppositedirectiontotheprocessairandleavestherotoraswetair(warm,moistair).This

principleenablesthedehumidiertoworkeffectively,evenatfreezingtemperatures.

1.Dryair

2.Reactivationair

3.Processair

4.Wetair

A.Rotor

B.Filter

C.Processfan

D.Heater

E.Fanmotor

F.Reactivationfan

Figure2.1Principleofoperation

G.Filter

190TGB-1008-H1402Dehumidierdesign4

M120

3Transport,inspectionandstorage

3.1Transport

Figure3.1Handles

Ifpossible,useapalletloadertomovethedehumidier.Usethetwohandlesinthecasingtoliftit(see

8.3,Technicaldataforweightdata.)

Usetheoriginalpackagingwhenshippingtheunit.

3.2Inspectionofdelivery

1.Inspectthedeliveryandcomparewiththedeliverynote,orderconrmationorotherdelivery

documentation.Makesurethateverythingisincludedandnothingisdamaged.

2.ContactMuntersimmediatelyifthedeliveryisnotcompleteinordertoavoidinstallationdelays.

3.Iftheunitistobeputintostoragepriortoinstallation,seesectionStoringtheequipment.

4.Removeallpackagingmaterialfromtheunit,andmakesurethatnodamagehasoccurredduring

transportation.

5.AnyvisibledamagemustbereportedinwritingtoMunterswithin5daysandpriortoinstallationof

theunit.

6.Disposeofthepackagingmaterialaccordingtolocalregulations.

3.3Storingtheequipment

Followtheseinstructionsifthedehumidieristobestoredpriortoinstallation:

■Placethedehumidierinanuprightpositiononahorizontalsurface.

■Re-usethepackagingmaterialtoprovideprotectionfortheunit.

■Protectthedehumidierfromphysicaldamage.

■Storethedehumidierundercoverandprotectitfromdust,frost,rainandaggressivecontaminants.

5Transport,inspectionandstorage190TGB-1008-H1402

M120

4Installation

4.1Safety

W W

ARNING! ARNING!

ARNING!

Donotconnecttheunittoothermainsvoltagethanspeciedontheidenticationplate.

Theunitmustbeconnectedtoanearthedelectricaloutlet.

Donotoperatetheunitifthepowerplugorcordisdamaged.

CA CA

UTION! UTION!

UTION!

Donotsit,stand,orplaceanyobjectsontheunit.

4.2Siterequirements

TheM120isintendedforindoorinstallation.Theunitshouldbeplacedinanuprightpositionhorizontally

standingonxinglugsonalevelsurface.Suitablewallbracket(articleno.19030113)oroorfoundation

ttings(articleno.19020851)canbeobtainedasoptionalextras,seeFigure4.1.

Whenthedehumidieristobeoutofuseforanextendedperiod,thehoseconnectionsshouldberemoved

asshowninFigure4.3.

Figure4.1Wallbracket(option)

Figure4.2Inoperation

Figure4.3Notinuse

1=Fixedduct2=Flexiblehose

Avoidinstallingthedehumidierwherethereisariskofwaterenteringtheunit,orinaverydusty

environment.

Forunitandservicedimensions,seesection8.1,Dimensionsandservicespace.

190TGB-1008-H1402Installation6

M120

NOTE!Itisimportantthattheintendedinstallationsitemeetstherequirementsinordertoachievethebest

possibleperformanceandtrouble-freeoperation.

NOTE!Checkthattheunitislevelafterthecompleteinstallation.Ifrequiredtheunitcanbeboltedtotheoor

usingthexingholesinthebottomoftheunit.

4.3Connectionofductsandhoses

Followtheinstructionsbelowwhenattachingductsorexiblehosestotheairconnections.Theprocessand

reactivationairinletanddryairoutletcanbeconnectedtoaductsystemorbeusedwithfreeinletandoutlet.

Thewetairoutletmustalwaysbeconnectedtoaductorhose,whichmustbettedatadownwardangle

(awayfromthedehumidier)sothatcondensationisdrained.

■Ductlengthmustbekeptasshortaspossibletominimisestaticpressureloss.

■Allductandhoseconnectionsmustbeairtightandvapourtighttoensurefullperformance.

■Thewetairductorhosemustbemountedatadownwardanglesothatcondensationcanbedrained.

Thewetairhoseorductmusthavesuitabledrainageatlowtemperaturestopreventpoolingof

condensate.Alternatively,condensationcanbeavoidedbyinsulatingtheductwithatleast25mmof

insulation.

■Covertheductopeningforoutdoorairwithmeshtopreventbirdsandrodentsfromenteringtheunit.

Positiontheopeningsothatrainandsnowcannotentertheduct.

■Thewetairductorhosemustbecorrosionresistantandabletowithstandtemperaturesupto70°C.

■Thewetairisnormallytransportedoutdoors.Inlargepremiseswherethedehumidierisoutsideofthe

spacetobedehumidied,thewetaircanbeledawayneartheunit.Positiontheoutletsothatthewetair

doesnotblowtowardsmoisture-sensitiveobjects.

■Theminimumdistancebetweenthereactivationinletorwetairoutletandthewallis0.5m.

■Thedryairoutletshouldbeconnectedeithertoaductsystemortoashortpipe,about1000mm,tostop

rainwaterorushingwateretc.fromenteringthedehumidier.Ifthisstepistakentheunitwillmeet

withtheprotectiveclassIP44.

CA CA

UTION! UTION!

UTION!

Ifthereisariskoffreezingtemperatures,thewetairductsmustbeinsulated.

NOTE!Noisereductioncanbeachievedbyconnectingductstothedehumidier.

7Installation190TGB-1008-H1402

M120

Figure4.4Requiredductworks,sideviewFigure4.5Requiredductworks,frontview

1-DryairA-Wirescreenmeshapprox.10mm

2-ReactivationairB-Removablerubbersleeve

3-WetairC-Rotorinspectionopening

4-Processair

190TGB-1008-H1402Installation8

M120

4.4Electricalconnections

Includedwiththedeliveryisa2.5mlongpowercablewithaplugforconnectiontoanearthedoutlet.The

voltageandfrequencyarespeciedontheunitidenticationplate,seesection1.4,Marking.

4.5Continuousfanoperation

Ifcontinuousfanoperationisrequiredremovethecoverplatetotherightofthehumidistatsocket,see

Figure4.6.SetswitchBtothedownposition.Retthecoverplate.

4.6Connectingthehumidistat

Figure4.6Connectingthehumidistat

Whenthedehumidieristobecontrolledbyahumidistat,removetheswitchcover(A),movetheswitchto

theAUTpositionandreplacethecover.OndeliverytheswitchissettotheMANposition.Thehumidistat

isconnectedbyinsertingthehumidistatplugintothesocketmarkedHYGlocatednexttotheterminal

blockcover.

Aroomhumiditysensoristobemounted1-1.5mabovetheoor.Itmustbepositionedsothatitisnot

directlyexposedtodryairfromtheunitortohumidairowinginthroughopeningdoors.Positionitaway

fromheatsourcesanddirectsunlight.

Thehumidistatmustbeasingle-stagehumidistatandconnectedsothatthecontrolcircuitcloseswhen

relativehumidityincreases.Theconnectioncablemustbescreenedandequippedwithacopperconductor

withaminimumcross-sectionareaof2x0.75mm

Followtheinstructionsbelowtoassembleandconnectthehumidistatconnectionkit(ArticleNo.

19024039E).

CA CA

UTION! UTION!

UTION!

Werecommendthatonlyaqualiedelectricianshouldconnectthehumidistatplugtothecable.

9Installation190TGB-1008-H1402

M120

Figure4.7Connectionofleadsandhumidistatconnectionkitassembly

A-LeadconnectionsB-Screenconnections

1.Connecttheleadstopins1and2,andthescreentotheearthpin.Leadconnections

2.Afxtheterminal(2)totheplug(1)

3.Tightentheterminalscrews(3)

4.Afxthecover(4)totheplug(1)

5.Afxtheange(5)tothecover(4)

190TGB-1008-H1402Installation10

M120

4.7Reactivationairowadjustment

Estimatethepressuredropintheductsystemforreactivationandwetairaccordingtothefollowing:

■EachmetrelengthofØ80mmductgivesapressuredropof1.0Pa(0.1mmwg).

■Each90°or45°bendonanØ80mmductgivesapressuredropof1.0Pa(0.1mmwg)

■OutletØ80mm(possiblywithameshscreen)givesapressuredropof20.0Pa(2.0mmwg)

Ifthetotalpressuredropexceeds100Pa(10mmwg)theoriceplateintheinletshouldberemoved.

Indoubtfulcasesacheckmeasurementoftheairowshouldbemadeasfollows:

■Connectamanometertothepressuretappingpointforthereactivationair.Ifthedehumidieris

connectedtotheduct,aholeismadeintheductnearthedehumidiertoprovideaconnectionpointfor

themanometer,seeFigure4.8.

■ReadthepressuredroponthemanometerandfollowtheinstructionsinTable4.1.

Measuredpressuredrop

at50Hzat60Hz

Remarks

80-180Pa(8-18mmwg)160-280Pa(16-28mmwg)AllowedAirow

Lessthan80Pa(8mmwg)Lessthan160Pa(16mmwg)InsufcientAirow(REMOVE

ORIFICEPLATE)

Table4.1Pressuredropoveroriceplates

Figure4.8Measuringthepressuredrop

Manometer(eg.u-tube)OricePlate50Hzor60Hz

11Installation190TGB-1008-H1402

M120

Figure4.9Reactivationairowasafunctionofthepressuredropovertheoriceplate(shadedarea=permittedarea).

190TGB-1008-H1402Installation12

M120

5Operation

5.1Safety

W W

ARNING! ARNING!

ARNING!

Donotoperatetheunitifthepowerplugorcordisdamaged.

Donotinsertngersoranyotherobjectsintotheairvents.

Theunitcanrestartautomaticallywithoutwarningfollowingapowerfailure.

CA CA

UTION! UTION!

UTION!

Donotsit,stand,orplaceanyobjectsontheunit.

5.2Start

Removetheprotectivecoversfrombothinletandoutletopenings.(Atdeliveryallopeningsaresealedwith

plasticprotectivecovers).

1.Checkthattherearenoobstructionsineithertheductsystemsinletandoutletopenings.

2.Checkthattheoriceplateinthereactivationairintakeismarkedforthecorrectfrequency(Hz).On

deliverytheoriceplatefor50Hzistted.

3.Checktheidenticationplatetomakesurethatthedehumidierdeliveredisforthevoltageandfrequency

yourequire.

4.Ifcontinuousfanmodeisrequiredseesection4.5,Continuousfanoperation.

5.Connectthedehumidiertothemainspowerandcheckthatitisoperating.Therotationoftherotorcan

beviewedbyremovingtheplasticplugonthesideoftheunit,seeFigure4.5.

Figure5.1Unitatdelivery

1-Protectivecovers

NOTE!Thedehumidierwillrestartautomaticallyafterapowercut.

5.2.1Manualoperation

SettheMAN-AUTselectorswitchtopositionMAN.

13Operation190TGB-1008-H1402

M120

5.2.2Automaticoperation

SettheMAN-AUTselectorswitchtopositionAUT.

5.3Stoptheunit

Tostoptheunit,disconnectitfromthepowersourceorusetheexternalcircuitbreaker.

190TGB-1008-H1402Operation14

M120

6Serviceandmaintenance

6.1General

W W

ARNING! ARNING!

ARNING!

-Donotattempttorepair,dismantleormodifythisunit.

-Removethemainsplugfromthesocketbeforestartinganymaintenancework.

Thedehumidierisdesignedforcontinuoususeoveralongperiodoftimewithaminimalamountof

supervision.Undernormaloperatingconditions,maintenancerequirementsareminimal.Theservice

intervaldependsmainlyontheoperationalconditionsandworkingenvironment.

NOTE!ItisrecommendedtocontactMuntersforserviceorrepair.Operatingfaultscanoccuriftheunitis

maintainedinsufcientlyorincorrectly.

MuntersServicecanofferaserviceplanadaptedtosuittheconditionsofaspecicinstallation.Seecontact

addressesonthebackpageofthismanual.

6.2Maintenanceschedule

Muntersrecommendsthefollowingmaintenanceschedule.Theschedulecontainsinspectionand

maintenanceproceduresaswellastherecommendedintervalsforunitsusedundernormaloperatingand

environmentalconditions.Iftheprocessaircontainsalotofdust,preventativemaintenanceshouldbe

performedatshorterintervalsthanthosespeciedbelow .

Inspection/Maintenance

Component

3-6months12months

ProcessandReactivationlter.

Cleanthelter,grating,retainerandcover

(1)

and

changelterifneeded.

Changethelterandcleanthegrating,retainer

andcover.

Unithousing.

Checkforphysicaldamageandcleanunit

exteriorifnecessary.

Checkforphysicaldamageandcleanunit

exteriorifnecessary.

Humidistat.

N/AChecksensorfunctionsandcalibrateif

necessary.ContactyourMuntersproduct

servicedepartmentasrequired

(1)Whenreplacingtheltercassette,checkthatthearrowispointingtowardsthedehumidier.

Table6.1Maintenanceschedule

15Serviceandmaintenance190TGB-1008-H1402

M120

6.3Filterreplacement

A.Screw

B.Cover

C.Grating

D.Retainer

E.Filter(articleno.19013498)

F.Faninletcone

Figure6.1Filterassembly(reactivationside)

1.Removethescrews(A)holdingthecover.

2.Removethecover(B)andtakeouttheltercassette(C,D,E).

3.Releasetheretainer(D)andremovethelter(E)fromthegrating(C).

4.Cleanthegrating,retainerandcover.

5.Mountthenewlterandgratingintheretainer.

6.Mounttheltercassetteandtightenthescrews(A).

7.Repeattheprocedurefortheprocesslter.

190TGB-1008-H1402Serviceandmaintenance16

M120

7Faulttracing

FaultsymptomPossibleCauseCorrectiveaction

FailureoftheelectricalsupplyCheckpowersupplytotheunit.

Presstheresetbuttononthethermalcut-outafterremovingthe

obstruction

Checkthatthetemperatureatthereactivationairintakedoes

notexceed45ºC.

Checkthatthesupplyvoltageisnotmorethan10%abovethat

speciedonthedataplate.

Checkthattheimpellerrunsfreely.

Checkthemotor’spowerconsumption(maximum0.26A).

Thethermostatontheheaterhastripped

becauseofacloggedlteroranyother

obstructionintheductsystem.

Settheoperatingmodetomanualmodeandcheckthatthe

dehumidierstarts

Humidistatswitchedtoautomaticmodeby

mistakewithnohumidistatconnected.

Settheoperatingmodetomanualmodeandcheckthatthe

dehumidierstarts

Settheoperatingmodetomanualmodeandcheckthatthe

dehumidierstarts.Iftheunitstarts,thehumidistatisprobably

faulty.

Unithasstopped.

Humidistatfault(automaticmodes).

Checkthehumidistatbyseeingifthedehumidierstartswhen

thehumidistatsetpointisreduced.Resetthehumidistatset

pointafterthecheck.Calibratethehumidistatifnecessaryor

replaceit.

RotorstoppedRemoveplasticplugfromtheinspectionopening,situated

onthesideoftheunit,andcheckthattherotoristurning

(approximately8rph)

ReactivationairowincorrectCheckreactivationairowasspeciedundersection

4.7,Reactivationairowadjustment.

Dehumidication

capacityhasdecreased.

ReactivationheaternotoperatingCheckthatthereactivationheaterisoperatingbymeasuringthe

powerconsumption.Example:At230V50Hzthetotalpower

consumptionisapproximately5.7A.

Table7.1Faulttracinglist

17Faulttracing190TGB-1008-H1402

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Munters M120 Owner's manual

Munters M120 Owner's manual

Munters M120 Owner's manual

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