Munters ComDry Supplemental Operating Instructions

Originalinstructions

Supplement

ComDryControlSystem

Operationinstructions

Validforunitsfromserialno.

20001

MEN-CDCS-A1808©MuntersEuropeAB2018

Tableofcontents

Tableofcontents...........................ii

1Operation....................................1

1.1Safety..................................

1.2Introduction............................

1.2.1Humiditycontrol................

1.2.2Fanmodes.....................

1.3Controlpaneloverview...............

1.4Initiationandstart.....................

1.4.1Bootthecontrolsystem........

1.4.2Startthedehumidier..........

1.5Stopthedehumidier.................

1.6Quickstop..............................

1.7Automaticstartafterpowerfailure....

1.8Navigatethemenus...................

1.9Accesslevels..........................

1.10Accessthecontrolsystem............

1.11Changethesystemsettings..........

1.12Resetanalarm........................

1.13Resetthecounters....................

1.14Restorethedefaultsettings...........

1.15Serviceintervalalarm.................

1

1

1

1

2

3

3

3

4

4

4

5

5

6

7

7

8

2Menusandparameters....................10

2.1Humidity...............................

2.1.1Internalcontrollingsensor.....

2.1.2Externalcontrollingsensor....

2.2Runtime...............................

2.3Power..................................

2.4Temperature...........................

2.5Functions..............................

2.5.1Processfanmode..............

2.5.2Humiditycontrolandunits.....

2.5.3Displayinformation............

2.6Alarm...................................

2.7Min,maxanddefaultvalues..........

2.7.1Humidity........................

2.7.2Servicetime....................

2.7.3Functions.......................

8

9

10

11

11

11

12

13

14

14

14

15

16

17

17

17

17

iiTableofcontentsMEN-CDCS-A1808

ComDryControlSystem

1Operation

1.1Safety

W

ARNING!

W W

ARNING! ARNING!

Theunitmustnotbesplashedwithorimmersedinwater.

Theunitcanrestartautomaticallywithoutwarningfollowingapowerfailure.

Donotoperatetheunitifthepowercableorplugisdamaged,riskofelectricalshock.

Donotpulltheplugwithwethands,riskofelectricalshock.

Donotinsertngersoranyobjectsintotheairvents,rotatingfansareinside.

Donotcovertheunitasthatcanblockairintakeoroutletandcauseare.

Iftheunithasoverturned,cutthepowerimmediately.

1.2Introduction

1.2.1Humiditycontrol

TheComDrydehumidierisequippedwithasophisticatedmicroprocessorbasedcontrolsystem.This,in
combinationwiththebuilt-inhumidity/temperaturesensorintheprocessairinlet,makesitpossibletoset
boththecontrolandpresentationofthehumiditytoeitherrelativehumidity(RH%),dewpoint(Dp°C)or
absolutehumidity(Xgr/kg).Thecontrolsystemadditionallychecksthetemperaturesbeforeandafterthe
heater,aswellasinthewetairaftertherotor.Ahighsafetylevelisobtainedbyvarioustemperaturesensors.
Toohightemperaturesgivesareductionoftheheaterpower,whileexcessivetemperatureswillmakethe
systemissueanalarmandshutthedehumidierdowninacontrolledway .Forfurtherexplanation,see

2.1,Humidityand2.5,Functions.

NOTE!Thedehumidieralwaysoperatesinautomaticmode(moisturebasedoperation).Asdefaultitwilluse

thebuilt-inhumidity/temperaturesensor,asoptionanexternalsensor.

1.2.2Fanmodes

Dependingontheapplication,thedehumidiercanberunindifferentprocessfanmodes:Fan“ON”
(continuous),“INT”(INTermittent)or“DEM”(onDEMand).

Forfurtherexplanation,see2.5,Functions.

MEN-CDCS-A1808Operation1

1.3Controlpaneloverview

Menuindicators1-6

1.Humiditymenu4.TemperaturemenuA.Alarmindicator

ComDryControlSystem

2.Timemenu5.FunctionsmenuB.Operationindicator

3.Powermenu6.AlarmmenuC.On/Offbutton

MenubuttonFunction

Table1.1Menubuttonfunctions

Up/Rightbutton

Enter/Conrmationbutton

Down/Leftbutton

2OperationMEN-CDCS-A1808

ComDryControlSystem

1.4Initiationandstart

1.4.1Bootthecontrolsystem

Connectthedehumidiertomains.Result:ThecontrolsystemwillinitiatebyashingallLEDsforafew
seconds,andthedisplayrstshowstheComDrymachinetype,thenthesetfrequency,e.g.[50Hz]and
nallythesoftwareversionnumber,e.g.[VER:1.00]andthecurrenthumiditylevel,e.g.[*RH146%].

NOTE!Thebootsequencetakesabout10seconds.Letthecontrolsystemnishthebootingbeforeattempting

tostartthedehumidier.

1.4.2Startthedehumidier

Followthesestepstostartthedehumidier:

StepActionIllustration

1PresstheOn/Offbutton(C)oncetostartthedehumidier.

Result:IfthemeasuredhumidityislowerthantheSetV alue,the
greenoperatingindicator(B)willstarttoashinalongon/shortoff
sequence.Dependingonfanmodesetting,theprocessfanwillrunor
not.Theunitisnowinstand-bymode.

2Thedehumidierstartstodehumidifywhenthemeasuredhumidityis

equaltoorgreaterthantheSetValue,andtheoperatingindicator(B)
willshifttocontinuouslylit.

MEN-CDCS-A1808Operation3

1.5Stopthedehumidier

CA

UTION!

CA CA

UTION! UTION!

Donotunplugthedehumidierwhileitiscoolingdown.

Thefanstopsandtheheatercanbeveryhot,whichcanresultindamagetotheheaterandothercomponents

closetoit.

Followthesestepstostopthedehumidier:

ComDryControlSystem

Step

Action

1

PressOn/Offoncetostopthedehumidier.

2

Theunitcontinuestorunforawhileinordertocooldownandthen
stops.

Result/Illustration

Thegreenoperatingindicatorstarts
ashingwithequallylongandshorton
andoffperiods.

1.6Quickstop

CA

UTION!

CA CA

UTION! UTION!

Onlyquickstopthedehumidierincaseofanemergency.

Thefanstopsandtheheatercanbeveryhot,whichcanresultindamagetotheheaterandothercomponents

closetoit.

Incaseofemergency,stopthedehumidierbypullingthemainsplugor,ifitispermanentlyconnectedto
mains,byusingtheexternalcircuitbreaker.

1.7Automaticstartafterpowerfailure

Ifthedehumidierisswitchedonitwillreverttooperationafterapowerfailure,regardlessofifitwas
runningorinstand-by.

4OperationMEN-CDCS-A1808

ComDryControlSystem

1.8Navigatethemenus

Thethreebuttons,andonthecontrolpanelmakeitpossibletonavigatethemenus.

Followthesestepstonavigatethemenus:

Step

Action

1

Toselectamenu,pressor.untiltheselectedmenu
appears.

2

3

4

Toenterthemenu,press

Use

Leavethemenubyusing

Press

ortoscrollthroughthemenu.

.

.

andgoto[EXIT].

NOTE!Allmenulistsarecircular.Attheendofeachmenuyouwillnd

thereistopress

onetimeafterhavingenteredamenu.

1.9Accesslevels

Thefollowingaccesslevelsandactionsareavailableinthecontrolsystem:

AccesslevelAvailableactions

ACCESS

ACCESS*

ACCESS**

Viewallprocessingdata

■Viewallprocessingdata

■Adjustrelevantparameters(setvalueRH,reset

horkWhetc.)

Result/Illustration

Theselectedmenuindicatorislit.

Themenuindicatorstartsashing.

Themenuindicatorstopsashing.

[

EXIT

]

.Thequickestwayofnavigating

Comment

■Level2isfordedicatedpersonnelonly

(qualiedpersonnelorMuntersService)

■Ifyouhaveaccidentallyreachedthislevelthe

codeis0000forreturningtolevel1.

MEN-CDCS-A1808Operation5

ComDryControlSystem

1.10Accessthecontrolsystem

Thecontrolsystemsettingsandcountersareprotectedagainstunauthorizedchangeusingtwoaccesslevels.
Seealsosection1.9,Accesslevels.

Followthesestepstoaccessthesystem:

Step

Action

1

Tochangethesettingsyoumusthave“one-star”access.Gotomenu
Functions,seesection1.8,Navigatethemenus.

2

Scrollupto[ACCESS]using

3

Pressandhold

4

Ahigher,PIN-codeprotected,“two-star”accesslevelexists.Ifan
attempttogethigheraccessismadewiththemachineswitchedoff,
thedisplaywillchangeto[0000].

Press

fourtimesuntil[ACCESS*]isvisibleagain.

until[ACCESS]changesto[ACCESS*].

.

Result/Illustration

Themenuindicatorisashing.

Thesystemisnowunlocked,and
itispossibletomakenewsettings
alternativelyresetthecounters.

NOTE!Thesystemwillreturntolockedmodeautomaticallyafterveminuteswithoutanyactivity .

NOTE!Thesystemalwaysstartsinlockedmodeafterpower-up,regardlessofaccesslevelpriortopowerloss.

Followthesestepstoforcethesystemintolockedmode:

Step

Action

1

Makesuretheunitisswitchedoff.

2

Gotomenu"Functions"

3

Navigateto[ACCESS*].Seegeneralinstructioninsection

1.8,Navigatethemenus.

4

StarttheunitbypressingOn/Off.

5

Pressandhold

until[ACCESS*]changesto[ACCESS].

Result/Illustration

Thegreenlightilluminates

Thesystemisnowlocked,anditisnot
possibletomakenewsettingsortoreset
thecounters.

6OperationMEN-CDCS-A1808

ComDryControlSystem

1.11Changethesystemsettings

Tochangesettingsyoumusthave“one-star”access,see1.10,Accessthecontrolsystem.

Followthesestepstochangethesystemsettings:

Step

Action

1

Navigatetotheparameteryouwanttochangebyusingor.

2

Press

3

Changethevaluewith

4

Conrmthenewsettingwith

.

and.

.

Result/Illustration

Thesettingstartstoash.

Thesettingstopstoash.

NOTE!Ifthenewsettingisnotconrmedwithin30seconds,thedisplaychangesbacktotheoldsetting.

NOTE!Read-onlyvaluesarenotchangeable.Theywillnotstarttoashif

level.T ondoutifaparameterischangeableorread-only ,seesection2,Menusandparameters.

ispressed,regardlessofaccess

1.12Resetanalarm

Followthesestepstoresetanalarm:

Step

Action

1

Writedownthealarmmessagebeforeresettingthealarm.The
informationcanbehelpfulwhentroubleshooting.

2

Waituntilthedehumidierhasstopped.

Press

.

Result/Illustration

Thedisplaychangesto
[RstNO]and[NO]isashing.

3

Toggle[NO]to[YES]bypressingeither

Conrmbypressing

or.

.

Whenthealarmhasbeenreset,the
menusystemreturnstoitsstartposition.

NOTE!Ifthecauseofanalarmisstillpresent,thealarmcanreappearafterresetting,evenifthedehumidier

isstopped.

MEN-CDCS-A1808Operation7

1.13Resetthecounters

Toresetcountersyoumusthave“one-star”access,see1.10,Accessthecontrolsystem.

Followthesestepstoresetthecounters:

ComDryControlSystem

Step

Action

1

Navigatetothecounteryouwanttoreset.Seesection

1.8,Navigatethemenus.

2

Press

3

Toggle[NO]to[YES]bypressingeither

[

NOTE!If

RstNO

]/[

RstYES

seconds,thedisplayautomaticallychangesbacktothestored

countervalue.

4

Conrmtheresettingwith

NOTE!PressingENTERwhenthedisplayshows

again.

or.

]

isleftwithoutactionfor30

.

[

RstNO

Result/Illustration

Thedisplaychangesto
[RstNO]and[NO]isashing.

Thecounterisreset.

]

willreturnthestoredcountervalueinthedisplay

1.14Restorethedefaultsettings

Torestorethefactorydefaultsettingsyoumusthave“one-star”access,see1.10,Accessthecontrolsystem.

Followthesestepstorestoreallthedefaultfactorysettings:

Step

Action

1

GototheFunctionsmenuandnavigatetoDefault.

2

Press

3

Toggle[NO]to[YES]bypressing

either

4

Conrmbypressing

or

Result/Illustration

Thedisplaychangesto[RstNO]and
[NO]isashing.

.

Allvaluesrevertstofactorysettings.

8OperationMEN-CDCS-A1808

ComDryControlSystem

1.15Serviceintervalalarm

TheServiceinterval[T-xxxxh]canbesetbetween500and8.000hours.

Toresetcountersyoumusthave“one-star”access.Followthesestepstochangetheserviceinterval(seealso

1.11,Changethesystemsettings):

Step

1

2

2

3

Action

GototheTimemenu.

Navigateto"Serviceinterval"[T-xxxxh]

Adjustthe"Serviceinterval"[T-xxxxh]instepsof100hours

Resetthe"Timetoservice"counter[Sxxxxh].

Result/Illustration

NOTE!The"Timetoservice"countercanberesetatanytime.Whenthecounterisreset,itstartscountingupor

downagainfromthepre-setvalue[T-xxxxh]dependingonhowthe"Serviceinterval"hasbeenadjusted.

TheTimetoservicecounter[Sxxxxh]countsdowntozero.Whenitreacheszero,thesystemissuesa"soft
alarm"thenexttimetheunitisswitchedon.Thealarmonlymakesthealarmmenusymbolash,notthe
redalarmindicator,and[TIMEFORSERVICE]isshowninthedisplay.Thealarmwillnotmaketheunit
stop.Theunitcanstillbeoperatedasnormalwiththealarmpresent.

Followthesestepstochecktheserviceparametersandstoptheservicealarm:

Step

1T oseeorcheckparameters,eitherresetthealarmbypressing

2T ostopthealarmcompletely ,navigatetothe"Timetoservice"

Action

andresetit,orleavetheAlarmmenuwith[EXIT].

counter[S0000]inthismenuandresetit.

Result/Illustration

NOTE!EvenifthealarmhasbeenresetintheAlarmmenu,itwillbere-issuedthenexttimetheunitisswitched

on.

SeetheUsermanualforpropermaintenanceaction.

MEN-CDCS-A1808Operation9

ComDryControlSystem

2Menusandparameters

Tosetthesystemparameters,see1.11,Changethesystemsettingsand1.13,Resetthecounters.Forlimitswhen
settingparameters,see2.7,Min,maxanddefaultvalues.

2.1Humidity

Thedehumidierisalwaysoperatinginautomaticmode.Itwilldehumidifyuntilthedesiredhumiditylevel
(SetValueminusHysteresisvalue)isreached.Thenthegreenoperatingindicatorwillstarttoashinalong
onandshortoffsequence,indicatingthatthedehumidierisinstand-by.Itwillstarttodehumidifyagain
whenthehumidityisequalto,orgreaterthantheSetValue.

Typeofhumiditycontrol(relativehumidity,dewpointorabsolutehumidity)andunitsystem(metricor
imperial)governsthereadingsandsettingsinthismenu.See2.5,Functionsforreferenceandexplanation.

Displayview

DescriptionType

Internalsensorreading

(Externalsensorreading)

SetValueHumidityADJUSTABLEHIGHER/LOWER

Hysteresis

1

READONLYD1.../X1...

READONLYD2.../X2...

ADJUSTABLEHIGHER/LOWER

Settingoption

1)

Onlywhenexternalhumiditysensorsareconnected

Controllingsensor(ADJUSTABLE)

1

1

(*RH2)

,(*RH3)

10MenusandparametersMEN-CDCS-A1808

1

ComDryControlSystem

2.1.1Internalcontrollingsensor

Theinternalhumiditysensoristhecontrollingsensorasdefault.Thisisindicatedbya(*)beforethereading
inthedisplay(*RH1…/*D1…/*X1…).

2.1.2Externalcontrollingsensor

Optionally,anexternalsensorcanbeconnected.ItwillautomaticallybedesignatedRH2/D2/X2)bythe
system.Whenconnected,itispossibletochooseexternalsensorascontrol.Thedisplaywillthenshow
(*RH2.../*D2.../*X2…).

Withanexternalsensorsetascontrolsensor,itispossibletodisconnectandreconnecttheexternalsensor
withoutlosingthecontrolsetting,e.g.[*RH2…]whiletheunitisswitchedoff(butpowered).When
switchedon,thesystemmakesveattempts(during20seconds)tocontacttheexternalcontrollingsensor.
Ifthisfails,thesystemrevertstotheinternalRH1-sensor.Subsequentlyanyrenewedassignmentofthe
externalsensorascontrolmustbecarriedoutmanually.

2.2Runtime

Runtimeisregisteredaslongastheprocessairfanisoperating.Itstopscountingwhentheunitisinstand
bymodeorisswitchedoff.Thesystemhastworuntimecounters,oneresettabletripmeterandone
non-resettabletotalruntimecounter.

Displayview

DescriptionType

Runtimetripmeter

Totalruntime(Displayjumps
from“TOT AL”todisplayview
andback).

Timetoservice

ServiceintervalADJUSTABLE

RESETTABLEY es/No

READONLY

RESETTABLEY es/No

Settingoption

Every100hours

MEN-CDCS-A1808Menusandparameters11

ComDryControlSystem

2.3Power

TheComDrydehumidierisequippedwithanintegrated,resettablekWhcounter.Theenergy
consumptionisregisteredwhenthedehumidierisconnectedtomains,regardlessofbeingswitchedon,off
orinstand-bymode.ThecountershowstheconsumptionaswholekW-hours.
ItisalsopossibletomonitorrealtimePower(W),current(A)andvoltage(V)measurementsinthismenu.

NOTE!Resettingisalwaysperformedmanually .Unpluggingtheunit(orapowerfailure)willnotresetthekWh

counter.

DisplayviewDescriptionType

kWhcounter

RealtimePower

RealtimeCurrent/V oltageREADONL Y

RESETTABLEYes/No

READONLY

Settingoption

12MenusandparametersMEN-CDCS-A1808

ComDryControlSystem

2.4Temperature

Theairtemperatureismeasuredindifferentpositionsinthedehumidier.Allvaluesareread-only.

Ifexternalhumidity/temperaturesensorsareconnected,thesewillalsobefoundinthelist.Thereactivation
inlettemperature(Ri)beforetheheaterandreactivationtemperature(Rt)aftertheheater,aswellasthewet
airtemperature(Wt)andtheprocessairinlettemperature(T1)ismeasured.

ThetemperatureisshownindegreesCelsiusorFahrenheit,dependingonthesettingintheFunctionsmenu.

DisplayviewDescriptionT ype

Processairinlettemperature(internal
sensor)

(Externalsensor)

Reactivationtemperature

Wetairtemperature

1

READONLY

READONLY

READONLY

READONLY

Settingoption

Reactivationinlettemperature

1

)Onlyifexternalsensorisconnected

MEN-CDCS-A1808Menusandparameters13

READONLY

ComDryControlSystem

2.5Functions

2.5.1Processfanmode

Therearethreeprocessfanmodes:

FanmodeDescription

[FanON]In[FanON]mode,thedehumidierwillruntheprocessfancontinuously,regardlessofthereisa

dehumidicationneedornot.Thisisthedefaultmode.

[FanINT]

(INTermittent)

[FanDEM](on

DEMand)

In[FanINT](INT ermittent)mode,thefanwillstopwhenthedesiredhumidity(SetValueminusHysteresis)

isreached.IfthehumidityreadingstaysbelowtheSetV alue,theprocessfanwillanyhowstartafter30

minutestoletthebuilt-insensormoreaccuratelysensetheconditionoftheincomingprocessair.The

fanwillrunforaminutetoproduceapropermeasurement.IfthehumidityisstillbelowtheSetV alue,

thefanwillstopagain.ThisisrepeateduntilthehumidityreachestheSetV alue,whichwillmakethe

dehumidicationstartagain.

In[FanDEM](onDEMand)mode,thefanwillstopwhenthedesiredhumidity(SetValueminus

Hysteresis)isreached.Itwillstartagainwhenthesensedhumidityisequalto,orgreaterthantheSet

Value.Thisgivesinpracticeacontrolwithgreaterhysteresisthan“FanINT”,dependingonthefollowing:

Whenthedehumidierhasreachedthedesiredhumiditylevel,itwillshifttostand-byandstoptheprocess

fan.Afterawhile,internalmachineheatwillincreasethetemperatureofthehumiditysensor .Thismakes

thesensorreadingevenlower ,i.e.thesystemfunctionsasiftherewasa“negativehysteresis”.Asa

result,agreaterhumidityloadwillbenecessarytomakethedehumidierstartcomparedwiththe“Fan

INT”mode.

2.5.2Humiditycontrolandunits

Itispossibletosetthecontrol/presentationofthehumiditytoeitherRelativehumidity(RH%),Dewpoint
(Dp°C)orabsolutehumidity(Xgr/kg).

Dependingonunitsystemsetting,SIformetricorIPforImperial,thereadingswillbeshowninCelsiusand
g/kg,orFahrenheitandgrain/lb.AllthesesettingsaremadeintheFunctionsmenu.

14MenusandparametersMEN-CDCS-A1808

ComDryControlSystem

2.5.3Displayinformation

DisplayviewDescriptionType

ProcessfanrunningmodesADJUSTABLEFanON,INT ,DEM

Metricorimperialunits

Humidity

Unitserialno

ADJUSTABLESI,IP

ADJUSTABLE

READONLY

Settingoption

RH,Dp,Absolutehumidity

IDno

ACCESSLevelADJUSTABLEACCESS*

Restoretodefaultsettings
(onlypossiblewhen
dehumidierisOFF).

MainsfrequencyADJUSTABLE

RESETTABLE

YesorNo

50or60Hz

MEN-CDCS-A1808Menusandparameters15

ComDryControlSystem

2.6Alarm

Shouldanoperationfaultoccur,theredalarmindicatorandthealarmmenuindicatorwillstarttoash.The
causeofthealarmwillbeshowninthedisplayandthedehumidierwillstopafterithascooleddown.

Thiscantakeacoupleofminutes.

CA

UTION!

CA CA

UTION! UTION!

Donotunplugthedehumidierwhileitiscoolingdown–thereasonforthealarmcanbeoverheating.

DisplayviewDescriptionType

SourceofalarminfulltextRESETTABLE

Alarmstatus

READONLY

16MenusandparametersMEN-CDCS-A1808

ComDryControlSystem

2.7Min,maxanddefaultvalues

2.7.1Humidity

Thistableshowstheminimum,maximumanddefaulthumidityvalues:

Parameter

Max.95404099300

SV_(set

value)

HYS_

(hysteresis)

Default

Min.

Max.10101,01010

Default

Min.000,000

RH(%)Dp(°C)X(gr/kg)Dp(°F)X(grain/lb)

5097,34951

5

220,222

-300,5-202

Table2.1Minimum,maximumanddefaulthumidityvalues

2.7.2Servicetime

Thistableshowstheminimum,maximumanddefaultservicetimevalues:

Parameter

T—h(servicetime)

Defaultsetting

40008000500

Table2.2Time,min/maxanddefaultservicetimevalues

2.7.3Functions

Max.Min.

ThistableshowsthedefaultsettingsandsettingoptionsoftheFunctionsmenu:

Parameter

Fan

Unit

Humidity

DefaultsettingOptions

FanON

SI(metricunits)IP(imperialunits)

RH(%)

Table2.3DefaultsettingsandsettingoptionsoftheFunctionsmenu

FanINT ,FanDEM

Dp(°C/°F)

X(gr/kg)/(grain/lb)

MEN-CDCS-A1808Menusandparameters17

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