SystemAir DVCompact Operation And Maintenance Instructions

DVCompact

CompactAirHandlingUnit

OperationandMaintenanceInstructions

Documentinoriginallanguage

207622-EN_GB

08-08-2013A005

Contents

1Warnings...................................................................................................................................1

2ProductDescription....................................................................................................................2

2.1ComponentdescriptionELandHWunits...........................................................................2

2.2DescriptionofInternalcomponents....................................................................................3

2.2.1SupplyandExtractairFans.....................................................................................3

2.2.2SupplyandExtractairFilters...................................................................................3

2.2.3HeatExchanger......................................................................................................3

2.2.4T emperaturesensors...............................................................................................4

2.2.5HeaterBattery........................................................................................................4

3Interfacedescription...................................................................................................................4

3.1Controlpanel...................................................................................................................4

3.1.1OperatingtheControlpanel.....................................................................................4

4Commissioning..........................................................................................................................5

4.1BeforeStartingtheSystem...............................................................................................5

4.2Initialsetupoftheunit.......................................................................................................6

4.3MenuoverviewOPERA TOR/SERVICELEVEL...................................................................7

4.4Freecoolingdescription....................................................................................................19

5Maintenance..............................................................................................................................20

5.1Important.........................................................................................................................20

5.2MaintenanceIntervals.......................................................................................................20

5.3MaintenanceInstructions..................................................................................................22

5.3.1ChangingSupply/Extractairlter.............................................................................22

5.3.2Checkingtherotatingheatexchanger......................................................................22

5.3.3CheckingthePlateheatexchanger..........................................................................23

5.3.4CheckingtheBypassdamper..................................................................................23

5.3.5CleaningtheCondensatedrainage..........................................................................24

5.3.6CheckingtheFans..................................................................................................24

5.3.7CheckingtheHotwaterheatingbattery....................................................................24

5.3.8CheckingtheFrostprotection..................................................................................24

5.3.9CheckingtheElectricalheatingbattery.....................................................................24

5.3.10CheckingtheWatercoolingbattery........................................................................25

5.3.11ChangingtheInternalBattery.................................................................................25

6Troubleshooting.........................................................................................................................25

6.1Alarms.............................................................................................................................27

7Service......................................................................................................................................27

1Warnings

Thefollowingadmonitionswillbepresentedinthedifferentsectionsofthedocument.

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

Warning

•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.

•Bewareofsharpedgesduringmountingandmaintenance.Useprotectiveclothing.

•Thisproductisnotintendedtobeusedbychildrenorpeoplewithreducedphysicalormentalability
orlackofexperienceandknowledge,ifnoinstructionconcerningtheusehasbeengivenbythe
personresponsiblefortheirsafetyorthatthispersonissupervisingtheoperation.Childrenshouldbe
supervisedsothattheycannotplaywiththeproduct.

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2ProductDescription

2.1ComponentdescriptionELandHWunits

Fig.1ComponentsEL/HWunits

Table1:ComponentdescriptionsELandHWunits

PositionDescription

1Fanmotor,extractair

2Fanmotor,supplyair

3Fanimpeller,extractair

4Fanimpeller,supplyair

5

Filter,extractair

6Filter,outdoorair

7

Heatexchanger(rotor)

8Heatexchanger,controlbox

9Rotormotor

10Rotordrivebelt

11

Frequencyconverter,extractairfan

12

Frequencyconverter,supplyairfan

13

Pressureguard/transmitterextractair

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ComponentdescriptionsELandHWunitscont'd

PositionDescription

14

Pressureguard/transmittersupplyair

15Electricalconnectionbox

2.2DescriptionofInternalcomponents

2.2.1SupplyandExtractairFans

Fansandmotorsinthesmallerunitsaremountedonvibrationdampersandcanbetakenoutforservice
andmaintenance.Dustanddirtcanbuildupontheimpellers,whichcancreateimbalanceandvibration.
Theimpellersshouldbecheckedannuallyandcleanedwhennecessary .Atthesametimevibration
dampersshouldbechecked.Damagedvibrationdampersmustbereplaced.

Thedrivemotorshavepermanentlylubricatedbearingsthatshouldnotbegreased.

2.2.1.1PressuretransmitterFans

2builtinpressuretransmittersmaintaintheairowataconstantlevelbymeasuringthedifferential
pressureovertheinletconeofthefanimpellers(pos.13,14gure1).InDVCompact-10–150-R-w/aut
andDVCompact-10–100-X-w/autthepressuretransmittersareinstalledfromfactoryinallunitswithCA V
control.InVA Vunitspressuresensorswillbedeliveredlooselywiththeunittobemountedinthesupply
andextractairducts,see“Installationinstructions”formoreinformationconcerningVAVinstallations.The
builtinpressuretransmitterswillthenworkasmonitorsoftheactualairow.

2.2.2SupplyandExtractairFilters

TheltersareofbagltertypewithlterqualityF5,F6orF7forthesupply-andextractairlter.Thelters
needtobereplacedwhenpolluted.Newsetsoflterscanbeacquiredfromyourinstallerorwholesaler.

2.2.2.1Pressureguardlters

Apressureguardmeasuresthedifferentialpressureoverthesupplyandextractairlters.Whenthe
pressuredropreachesthesetvalueanalarmistriggeredinthemainregulator.Thedifferentialpressure
canbesetbetween40and300Pa.Thepressureswitchispresetfromfactoryto200Pa.

2.2.3HeatExchanger

DVCompact-10–150-RandDVCompact-10–150-R-w/autareequippedwithahighefcientrotatingheat
exchanger(pos.7gure1).Re-heaterbattery(waterorelectric)areoptionalandcanbeacquiredas
accessories.Theoperationoftheheatexchangerisautomaticanddependsonthesettemperature.The
heatexchangerisremovableforcleaningandmaintenance.

DVCompact-10–100-XandDVCompact-10–100-X-w/autareequippedwithaplateheatexchangerwitha
builtinbypassdamper.

2.2.3.1Rotormotor

Themotoriscontrolledbya0–10Vanalogcontrolsignal(pos.9gure1).

2.2.3.2Rotationguard

Asensorbuiltintherotormotorregisterstherotationoftheheatexchangerrotor.It’sconnectedtothe
mainregulator,whichgivesanalarmiftherotorstopswhilethereisaheatdemand.

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2.2.4Temperaturesensors

4temperaturesensors(PT1000)areincludedintheunitfromfactory:

•Supplyairsensor

•Extractairsensor

•Outdoorairsensor

•Exhaustairsensor

InDVCompact-10–150-R-w/autandDVCompact-10–100-X-w/autalltemperaturesensorsaremounted
andwiredinsidetheunit.Thesupplyairsensoriswiredtoterminalsintheelectricalconnectionboxandis
placedlooselydeliveredinsidetheunitinacardboardbox.Thesensorneedstobeinstalledinthesupply
airductexternallyfromtheunit.See“Installationinstructions”formoredetailedinformation.

2.2.5HeaterBattery

Theunitsaredeliveredwithoutre-heaterbatteryasstandard

Re-heaterbatteries(waterorelectric)canbeacquiredasaccessories.Theheaterbatteriesareinstalled
externallyfromtheunitonthesupplyairconnection.Pumps,valveactuatorsandfrostprotectionsensors
arewiredtoterminalsinsidetheelectricalconnectionbox.Moreinformationconcerningelectrical
connectionsarefoundinthe“Installationinstructions”andenclosedwiringdiagram.

3Interfacedescription

3.1Controlpanel

TheSCPcontrolpanelisdeliveredwitha10mcablethatisconnectedtothepanelandwithafast
couplingcontact,connectedtotheDVCompactunit.ThecontactisconnectedtotheCorrigocontrollerin
theelectricalconnectionbox.Thecablecanbeunscrewedinthebackofthecontrolpanel(gure2).

Generalinformationisshowningure2.

3.1.1OperatingtheControlpanel

Fig.2Thecontrolpanel

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Posi-

tion

Explanation

1

Alarmbutton:Givesaccesstothealarmlist

2

AlarmLED:Indicatesalarmbyashingredlight

3

WriteLED:Indicatesbyashingyellowlightthatparameterscanbesetorchanged

4

OKbutton:Pressthisbuttontobeabletochangeorsetparameterswheneverpossible.Also
usedtomovebetweenchangeableparametersinonedialoguewindowframe

5

Cancelbutton:Usedtoabortachangeandreturntotheinitialsetting

6

Right/Left&Up/Downbuttons:Usedtomoveup,down,left&rightinthemenutree.Up/Down
buttonsarealsousedtoincreaseordecreasevalueswhensettingorchangingparameters

7

Mountingholes

8

Connectionblock

9

Connectiontoyellowcable

10

Connectiontoorangecable

11

Connectiontoredcable

12

Connectiontobrowncable

13

Connectiontoblackcable

3.1.1.1NavigatingtheMenus

Thestartdisplay(thedisplaynormallyshown)isattherootofthemenutree.PressingDOWNwillmove
youthroughthemenuoptions.UPwillmoveyoubackthroughtheoptions.T oenterahighermenulevel,
useUPorDOWNtoplacethecursoratthemenuyouwishtoaccessandpressRIGHT .Ifyouhave
sufcientlogonprivilegesthedisplaywillchangetothemenuyouhavechosen.

AteachleveltheremaybeseveralnewmenuswhichyoumovethroughusingUP/DOWN.Sometimes
therearefurthersubmenuslinkedtoamenuormenuitem.Thisisindicatedbyanarrowsymbolatthe
right-handsideofthedisplay .T oenteramenu,pressRIGHTagain.T ostepbacktopreviousmenu
level,useLEFT.

4Commissioning

4.1BeforeStartingtheSystem

Whentheinstallationisnished,checkthat:

•Theunitisinstalledinaccordancewiththeinstallationinstructions

•Theunitiscorrectlywired

•Theductsystemiscorrectlyconnectedtotheunit

•Outdoorairintakeispositionedwithsufcientdistancetopollutionsources

•Allexternalequipmentareconnected

•Thefollowingdataisavailable:

•Intendedconguration,forexampletemperaturecontrolfunctions,fancontrol,externalcontrol
functionsetc.

•Howtheunitissupposedtooperateaccordingtoaweeklyschedule(normalandreducedspeed).

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4.2Initialsetupoftheunit

Ontherststart-up,thecontrollerwillstartaspecialprogramforsettinglanguage,supplyairtemp
setpoint,Time&dateandweekschedulefornormalspeed.Usethe“OK”buttontomovebetween
changeableparametersandtheUP/DOWNarrowstoseethedisplayedalternatives.Conrmbypressing
“OK”oncemore.MoveondowninthemenustructurebyuseoftheUP/DOWNarrows.

Thefollowingwillbedisplayed:

1

Selectlanguagebypressing“OK”andthenmove
betweenthealternativeswiththeUP/DOWN
buttons.Conrmbypressing“OK”.Movetothe
nextlevelbypressingthe“DOWN”button.

ChooseLanguage

English

2

Showstheactualextractairtemperature

Setthesupplyairsetpoint.Defaultis18°C(logon
toservicelevelneeded,code2222,tochange
defaultsetting)

Extractairtemp

Actual:....ºC

Setp.:18ºC

3

Checkandmakesurethatcorrecttimeanddateis
displayed,ifnotchangethesettings

Time:12.46

Date:2010–03–12

Weekday:Friday

4

Settheweekscheduleforhowit’sintendedforthe
unittooperateatnormalspeedduringMondayto
Friday.It’spossibletoset2periodsperday .

Normalspeed

Monday→Friday

Per1:07:00–16:00

Per2:00:00–00:00

5

Settheweekscheduleforhowit’sintendedforthe
unittooperateatnormalspeedduringSaturdays
andholidays.It’spossibletoset2periodsperday .

Normalspeed

Saturday→Holiday

Per1:00:00–00:00

Per2:00:00–00:00

6

Settheweekscheduleforhowit’sintendedforthe
unittooperateatreducedspeedduringMondayto
Friday.It’spossibletoset2periodsperday

Reducedspeed

Monday→Friday

Per1:00:00–00:00

Per2:00:00–00:00

7

Settheweekscheduleforhowit’sintendedforthe
unittooperateatreducedspeedduringSaturdays
andholidays.It’spossibletoset2periodsperday .

Reducedspeed

Saturday→Holiday

Per1:00:00–00:00

Per2:00:00–00:00

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8

Select“Yes”or“No”

EndWizard

No

Afternishingthesetupthemenusystemfor“Operatorlevel”willbeavailable.

SeebelowmenuoverviewthatdisplaystheavailablemenusintheOperatorlevelfollowedbythe
“Servicelevel”manual.

ToenterServicelevelusecode2222inthe“Accessrights”menu.Foroperatorlevelusecode111 1.

Note:

ToperformmoreadvancedsettingspleaseseetheenclosedCDwheretheCorrigoE–manualcan
befound.

4.3MenuoverviewOPERATOR/SERVICELEVEL

BelowmenuoverviewshowsboththeOperatorandServicelevel.Theoverviewofthepartsuniqueto
theServicelevelinbelowtablearemarkedwithgreybackgroundcolor.T ologontotheServicelevel
usecode2222underAccessrights.

Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

SystemairAS

2010–03–1509:00

System:Stopped

Sp:18.0Act:ºC

Startscreenheadline

Canbesetto5differentlayouts

(Changeableat“systemlevel”
undertheconfiguration
menu).

→Runningmode→RunningmodeRunningmode

Auto

SetRunningmodetoAuto,
OnorOff

Runningtime

SAF:0.0h

EAF:0.0h

Showsthetimeinhoursthat
themotorshavebeenoperating

SAF=Supplyairfan

EAF=Exhaustairfan

→Selected
functions

Control
function

Extractair
control

Fancontrol

Flowcontrol

Showstypeofairtemperature
controltheunitisconguredfor.

Showstypeoffanspeed
controltheunitisconguredfor

Heating:Water

Exchanger:
Rot.Excha

Cooling:Water

Showstypeofheatingselected

Showstypeofexchanger

selected

Showstypeofcoolingselected

Freecool
active:No

Showsthestatusofthefree
coolingfunction

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Supportcontrol

Active:No

CO2/VOCactive

Never

Showsthestatusofthesupport
controlfunction

Showsthestatusofthe
demandventilation(CO2/VOC)
function

Firedamper
function

Notactive

Operationwhen
alarm

Stopped

Showsthestatusofthere
damperfunction

Frost
protection

Active

Cooling
recovery

No

Showsthestatusofthefrost
protectionfunction

Showsthestatusofthecooling
recoveryfunction

Externalset
point

Notactive

Showsthestatusofthe
externalsetpoint

→Alarmevents

Showsallregisteredalarms
alongwiththetimeanddate
theyoccurred

Movedownandupinthelistby
pressing↑↓

→Input/Output

→Analogue

inputs

Showsthestatusofthe
Ananlogueinputs

→Digital

inputs

ShowsthestatusoftheDigital
inputs

→Universal

inputs

ShowsstatusofUniversal
Analogueinputs

ShowsstatusofUniversal
Digitalinputs

→Analogue

outputs

Showsthestatusofthe
Analogueoutputs

→Digital

outputs

ShowsthestatusoftheDigital
outputs

→Temperature

Extractair
temp

Act.:ºC

Setp:18.0ºC

Showsthecongured
temperaturecontrol(Defaultis
Extractairtemp)

Showstheactualtemperature
inthechosencontrolmode

Setthetemperatureforthe
chosencontrolmode

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Ifcascade
control

Max/minsupply
setp.

Max:30ºC

Min:12.0ºC

Setthemaximumandminimum
allowedsupplyairtemperature
incaseofcascadecontrol

Logontoservicelevelneeded
tochangesettings

Outdoortemp:
ºC

Supplyairtemp

Actual:ºC

Setp:18ºC

Showstheactualoutdoorair
temperature

Showstheactualsupplyair
temperature

Showsthecalculatedsupply
airsetpoint.Theexhaust
aircontrolleroutputsignal
generatesthesupplyair
controller’ssetpointvalue

Frost
protection

Actual:ºC

Showstheactualwater
temperatureinthewater
heatingbattery .(Onlyvisiblefor
HWunits)

Exhaustair
temp

Actual:ºC

Showstheactualexhaustair
temperature.

Efficiency

Exchanger

Actual:%

Showstheactualheatrecovery
efciency

Thefunctioncalculatesthe
heatexchangerstemperature
efciencyin%whenthe
outputsignaltotheexchanger
ishigherthan98%andthe
outdoortemperatureislower
than10°C.

Whenthecontrolsignalis
lowerthan98%ortheoutdoor
temperatureishigherthan10°C
thedisplaywillshow0%.

→AirControl

Thismenuoptionbecomes
visibleiftheunitiscongured
for"Flowcontrol"or"Pressure
control"

Flowcontrol
SAF

Actual:m³/h

Setp.:m³/h

Showsairowforthesupplyair
fan(constantairowcontrol)

Onlyvisibleiftheunitis
conguredforFlowcontrol

Flowcontrol
SAF

Setp1/1:1100
m³/h

Setp1/2:550
m³/h

Setthenormal(1/1)and
reduced(1/2)airowforthe
supplyairfan

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Outdoor
comp.Setp.1

—20°C=10m³/h

0°C=0m³/h

Act.Comp:0
m³/h

SettheSAFairow
compensationforthesettable
outdoortemperature.The
outdoorcompensationislinear
andissetusingtwoparameter
pairswhichgivethevalueofthe
compensationattwodifferent
outdoortemperatures.The
compensationcanbepositive
ornegative.

Showstheactualairow
compensation.

Flowcontrol
EAF

Actual:+INF
m³/h

Setp.:m³/h

Showsairowfortheextract
airfan(constantairowcontrol)

Onlyvisibleiftheunitis
conguredforFlowcontrol

Flowcontrol
EAF

Setp1/1:1100
m³/h

Setp1/2:550
m³/h↓

Setthenormal(1/1)and
reduced(1/2)airowforthe
extractairfan

Outdoor
comp.Setp.1

—20°C=10m³/h

0°C=0m³/h

Act.Comp:0
m³/h

SettheEAFairow
compensationforthesettable
outdoortemperature.The
outdoorcompensationislinear
andissetusingtwoparameter
pairswhichgivethevalueofthe
compensationattwodifferent
outdoortemperatures.The
compensationcanbepositive
ornegative.

Showstheactualairow
compensation.

Pressure
controlSAF

Actual:Pa

Setp.:Pa

Showstheactualexternal
pressureandsetpointforthe
supplyairfan.

Onlyvisibleiftheunitis
conguredfor"Pressure
control"(VAV)

Pressure
controlSAF

Setp1/1:250
Pa

Setp1/2:100
Pa

Settheexternalpressureset
pointfornormalspeed(1/1)
andreducedspeed(1/2)forthe
supplyairfan.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Outdoor
comp.Setp.1

—20°C=0Pa

10°C=0Pa

Act.Comp:0
Pa

SettheSAFpressure
compensationforthesettable
outdoortemperature.The
outdoorcompensationislinear
andissetusingtwoparameter
pairswhichgivethevalueofthe
compensationattwodifferent
outdoortemperatures.The
compensationcanbepositive
ornegative.

Showstheactualpressure
compensation.

Pressure
controlEAF

Actual:Pa

Setp.:Pa

Showstheactualexternal
pressureandsetpointforthe
extractairfan.

Onlyvisibleiftheunitis
conguredfor"Pressure
control"(VAV)

Pressure
controlEAF

Setp1/1:250
Pa

Setp1/2:100
Pa

Settheexternalpressureset
pointfornormalspeed(1/1)
andreducedspeed(1/2)forthe
supplyairfan.

Outdoor
comp.Setp.1

—20°C=0Pa

10°C=0Pa

Act.Comp:0
Pa

SettheEAFpressure
compensationforthesettable
outdoortemperature.The
outdoorcompensationislinear
andissetusingtwoparameter
pairswhichgivethevalueofthe
compensationattwodifferent
outdoortemperatures.The
compensationcanbepositive
ornegative.

Showstheactualpressure
compensation.

→Timesettings

→Time/Date

Setcorrecttimeanddate.

→Timernormal

speed

SetweekscheduleMondayto
Sunday+Holidayfornormal
speed.Possibletoset2periods
perday.

00:0024:00forcontinuous
running.00:0000:00
inactivatestheperiod.

Notethesettingsinthe
commissioningrecord

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

→Timerreduced
speed

SetweekscheduleMondayto
Sunday+Holidayforreduced
speed.Possibletoset2periods
perday.

00:0024:00forcontinuous
running.00:0000:00
inactivatestheperiod.

Notethesettingsinthe
commissioningrecord

→Extended

running

Extended
running

60min

Timeinext.
running

0min

Setthetimeforextended
running.Digitalinputscanbe
usedtoforcetheunittostart
orincreasetoNormalrunning
althoughthetimersaysthe
runningmodeshouldbeOffor
Reduced.

Iftherunningtimeissetto0
theunitonlyrunsaslongasthe
digitalinputisclosed.

Thetimetheextendedrunning
isactiveismonitoredin"Time
inext.Running".

It'salsopossibletosetatime
hereaswellinordertoshorten
theinitialsetperiod.

→HolidaysHolidays

(mm:dd)

1:01–01—01–02

2:09–04—09–10

3:01–05—01–05

Setupto24separatepossible
holidayperiodsforafullyear.

Aholidayperiodcanbeany
numberofconsecutivedays
fromoneandupwards.

Thedatesareintheformat:
MM:DD.

Whenthecurrentdatefalls
withinaholidayperiod,the
schedulewillusethesettings
fortheweekday“Holiday”.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

→Manual/Auto

Inthismenutherunningmode
ofalltheconguredoutput
signalsandanumberofcontrol
functionscanbemanually
controlled.

Thesupplyaircontroller's
outputsignalcanbemanually
set(Manual/Auto)toanyvalue
between0and100%.The
temperatureoutputsignalswill
changeaccordinglyiftheyare
inAutomode.Itisalsopossible
tomanuallycontroleachof
thetemperatureoutputsignals
individually.

Sinceleavinganyofthe
outputsinmanualcontrolwill
disruptthenormalcontrol,
analarmwillbegeneratedas
soonasanyoutputissettoa
manualmode.

Supply
Temperature
contr.

Auto

Manualset:

0.0

Setthesupplyairtemperature
to"Auto","On"or"Off".

Settheoutputsignalbetween
0-100%.

TheoutputsY1,Y2andY3,if
inAuto-mode,willfollowthe
signalaccordingtothesetsplit
values.

SAF:Auto

Manualset:

0.0

EAF:Auto

Manualset:

0.0

SetthestartsignalforSAF
(supplyairfan)&EAF(exhaust
airfan)to"Auto,Manual

fullspeed,Manualhalf
speedorManual

Heating

Auto

Manualset:

100.0

SettheheatingtoAuto,
ManualorOff

Setthemanualoutput0-100%

Exchanger

Auto

Manualset:

0.0

Settheexchangerrotorcontrol
toAuto,ManualorOff

Setthemanualoutput0-100%

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Cooling

Auto

Manualset:

0.0

SetthecoolingtoAuto,
ManualorOff

Setthemanualoutput0-100%

Note:

Needstobeactivatedinorder
tobevisiblehere

P1–Heating

Auto

P1–Exchanger

Auto

Setthepumpcontrolforthe
heatingcoiltoAuto,OnorOff

Setthepumpcontrolfora
possiblerunaroundcoilto

Auto,OnorOff

P1–Cooling

Auto

Setthepumpcontrolforthe
coolingcoiltoAuto,OnorOff

Firedamper

Auto

SettheFiredampertoAuto,
OpenorClose

Note:

Needstobeactivatedinorder
tobevisiblehere

Congurationofredamper
functionsaremadeatSystem

level

Freshair
damper(Outdoor
airdamper)

Auto

SettheOutdoorairdamperto

Auto,OpenorClose

Exhaustair
damper

Auto

SettheExhaustairdamperto

Auto,OpenorClose

→Settings

Inthismenugroupthesettings
fortheactivatedfunctionsare
available.Dependingonwhich
choiceshavebeenmadeinthe
congurationmenusomeofthe
possiblealternativesmaynot
bedisplayed.

→Controltemp

Supplyair
control

P-band:

33.0°C

I-time:100.0
sec

SetP-bandandI-timeforthe
Supplyaircontrolfunction

Note:

SeeCorrigoEventilation2.3
manualfordeeperexplanation

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Roomcontrol

P-band:

100.0°C

I-time:300.0
sec

SetP-bandandI-timeforthe
Roomcontrolfunction

Note:

SeeCorrigoEventilation2.3
manualformoreinfo

Shutdownmode

P-band:

100.0°C

I-time:100.0
sec

SetP-bandandI-timeforthe
Shutdownfunction

Note:

SeeCorrigoEventilation2.3
manualfordeeperexplanation

→Frost

protection

Active

Setpshutdown:

25.0°C

P-bandactive:

5.0°C

P-bandactive5°Cmeansthat
thefrostprotectioncontroller
willstartoverridingtheheating
outputwhenthefrostprotection
temperatureislessthan5
degreesabovethesetfrost
alarmdefaultalarmlimitis7°C

Faststop
atfrost
protection
alarm

Yes

Setthefaststopoftheunitin
caseoffrostprotectionalarmto
YesorNo.

→Controlflow

AlternativelyPressure
controlifchoseninthe
congurationoftheunitfrom
factory

Flowcontrol
SAF

P-band:

10000.0m³/h

I-time:10.0
sec

Min.output:
0%

SetP-band,I-timeandMin.
outputforthesupplyair
fanwhentheunitcomes
conguredasFlowcontrol
fromfactory.Alternatively
Pressurecontrolifthat
congurationischosen

Flowcontrol
EAF

P-band:

10000.0m³/h

I-time:10.0
sec

Min.output:
0%

SetP-band,I-timeandMin.
outputfortheExtractair
fanwhentheunitcomes
conguredasFlowcontrol
fromfactory.Alternatively
Pressurecontrolifthat
congurationischosen

→Alarm

settings

→Alarmlimits

Setthealarmlimitsandallowed
deviationsforthedifferent
functions

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SystemairSverigeAB

Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

→Alarmdelays

Setthealarmdelaysand
alloweddeviationdelaysforthe
differentfunctions

Restorefactory

settings:No

Restoreuser

settings:No

Inthismenu,itispossibleto
restoreallparameterstotheir
factorysettingsortotheuser
settingstheyweresavedas

earlier.

SelectYesorNo

Saveuser
settings

No

Thecurrentcongurationcan
besavedinaseparatememory
areaandcanlaterberestored
usingthepreviousmenu,
Restoreusersettings.Select
YesorNo

→Configuration

→Control

function

Control
function

Mode:

Roomcontrol

Settypeoftemperaturecontrol
functionyouwanttheunit
tooperateunder.Choose
between

Extractaircontrol,
"Roomcontrol,Outdoor
comp.Supply,Supply
aircontrol,

Extract/supplyair

→(possibletoswitchbetween
thetwodependingonoutdoor
temp.),

Room/supplyair

→(possibletoswitchbetween
thetwodependingonoutdoor
temp.),

→Freecooling

Freecool
active:No

Outd.temp
activation

22°C

Setfreecoolingactiveto"Yes
orNo.

Settheloweroutdoorday
temperaturelimitforthe
activationofthefreecooling
function.Thetemperatureof
thepreviousdayneedstobe
overthesettemperaturein
orderactivatethefreecooling
function.

Outd.temp
night

High:15.0°C

Low:5.0°C

Roomtempmin.
18°C

Settheupperoutdoornight
temperaturelimitforthe
activationofthefreecooling
function

Settheloweroutdoornight
temperaturelimitforthe
activationofthefreecooling
function

Setthelowerroomtemperature
limit.Thetemperatureneedsto
beabovethisvalueforthefree
coolingfunctiontostayactive

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Hourfor
start/stop

Freecooling

Start:0

Stop:7

Setthestartandstoptimefor
thefreecoolingfunction

ForexampleStart:0and

Stop:6

meansthatthefreecooling
sequenceisactivebetween

00.00and06.00h.

Timetoblock
heatoutput
afterFree
cooling

60min

Setthedelayinminutesfrom
thetimewherethefreecooling
sequencehasstoppeduntila
possibleheatingsequenceis
initiated,i.e.howlongacooler
roomtemperaturethanset
temperaturecanbeaccepted

Fanoutputwhen
freecooling

SAF:0%

EAF:0%

Setthefanspeedinpercentage
ofthenormalspeedforeach
fanindividuallyduringthefree
coolingsequence

Outdoorsensor
placedin
intakechannel

(intakeduct)

No

Setiftheoutdoorsensoris
placedintheintakeductornot.

ChoosebetweenNoandYes

PresetisNo.

→Support

control

Supportcontrol

Active:No

EAFrunning
duringSupport
contr.:Yes

Whenusingthecontrol
functionroomcontrolor
extractairtemperature
control,itispossibleto
utilizesupport-heatingand/or
support-cooling.Minimum
runningtimeissettable0…720
minutes.(factorysetting20
minutes).Choosebetween
“Active:Y esorNo”.

(Forstartandstoptemperatures
seethe"Temperature"menu)

Min.runtime
forsupport
ctrl:60min

Settheminimumrunningtime
inminutesforsupportcontrol

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

→CO2/VOC
Control

CO2/VOCactive

Never

Type:Fan

Min.time:60
min

Inapplicationswithvarying
occupancythefanspeeds
ormixingdamperscan
becontrolledbytheair
qualityasmeasuredbya
CO2/VOC-sensor.Seeencl.
corrigomanual(CD)fordet.
explanation

SetactivetoNever,Always
orIftimechanneloff.

Setwhatshouldberegulated.
SelecttypebetweenFanor

Mixingdampers

Setthemin.timetheunitis
activatedbytheCO2/VOC
demandfunction

Activation
level

1/2–speed:800
ppm

1/1–speed:
1000ppm

diff:160ppm

Settheactivationlevelat1/2
speed

Settheactivationlevelat1/1
speed

Setalloweddiff.value

→Humidity

control

Humidity
control

Notactive

Sartlimit:
15%

Stoplimit:5%

Setthehumidity
controltoHumid-

/Dehumidification,
Dehumidification,
HumidificationorNot
active.

Setthestartlimitandstoplimit
in%RH

Applicableforexternal
Humidicationor
Dehumidicationdevice.

→Cooling

recovery

Cooling
recovery

No

Coolinglimit:

2.0°C

SetthecoolingrecoverytoYes
orNo.

Setthecoolinglimit(the
differenceintemperature
betweenextractairandoutdoor
airthatactivatesthecooling
recovery).

→Enthalpy

control

Cooling
recoveryrun
whenenthalpy
isgreater
outdoorthan
indoor:Not
active

Coolingrecoveryfunction
basedontheenthalpy
differencebetweenoutdoors
andindoors.Startsthe
coolingrecoveryfunctionifthe
calculatedenthalpyisbigger
outdoors.

SetthefunctiontoActiveor
Notactive

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

→Minlim.
dampers

Minlimit
dampers

Notactive

Min.limit.:

5.0%

Applicableforexternalmixing
dampers(re-circulatedair)

SetthisfunctiontoActiveor
Notactive

Settheminimumoutdoor
airlimit(settablebetween
0-100%).

→Accessrights

→LogonLogon

Enterpassword
xxxx

Actuallevel:
None

Logontoservicelevelby
enteringa4-digitcode.After
reachingthedesiredlevelgo
backwith“LEFT”arrow(press
2times)onthecontrolpanel.

Standardcodefromfactory
toenterservicelevelis2222.
Backtooperatorlevel:1111

→LogoffLogoff

No

Actual
level:None

Logofffromsystemlevelby
changing"No"to"Yes"withthe
"OK"and"UP/DOWN"buttons

Automaticlogoffafter6minutes
ofinactivity.

→Change

password

Changepassword
for

level:None

Newpassword
xxxx

Setanewpasswordforthe
levelofyourchoice.

Canonlybedoneoncelogged
ontotheservicelevel.

4.4Freecoolingdescription

Thisfunctionisusedduringthewarmperiodtosaveenergybyusingcoldoutdoorair,e.g.duringnight
time,tocooldownthebuilding.

Note:

ThefollowingisonlyvalidifthefreecoolingfunctionissettoActiveintheprogrammenu.

Freecoolingisonlyactivatedwhenthefollowingstartingconditionsaremet.

Startingconditions:

•Lessthan4dayshavepassedsincetheunitwaslastinrunningmode

•Theoutdoortemperatureduringthepreviousrunningperiodexceededasetlimit(+22°C)

•Itisbetween00:00and07:00:00intheday(settable)

•Thetimeroutputsfornormalspeed,ExtendedrunningnormalandExternalstopareOff

•AtimechannelwillbeOnsometimeduringtherecentlystarted24hours.

Theunitchecksthenighttemperature(indoorandoutdoortemperature)during3minutesattheset
startinghourwhenthefansarestartedsothatthesensorscanperformatemperaturemeasurement.If
aboveconditionsaremetthefreecoolingfunctionisstarted,ifnottheunitgoesbacktoOFFposition.

Iftheoutdoorsensorisnotlocatedintheoutdoorairinletductandaroomsensorhasbeenselected,
theunitwillnotstartfreecoolingaslongasallthetemperaturesarenotwithinthestartandstop
temperatureintervals.

Stopconditions:

•Outdoortempabovethesetmaxvalue(+18°C)orbelowthesetminvalue(condensationrisk,+10°C)

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•Theroomtemp/extractairtempisbelowthesetstopvalue(+18°C)

•Oneofthetimeroutputsfornormalspeed,ExternalstoporExtendedrunningnormalisOn

•Thetimehaspast07:00:00.

Whenfreecoolingisactive,thefansrunatnormalspeedorthesetvalueforpressure/owcontroland
thedigitaloutputFreecoolingisactive.TheoutputsY1-Heating,Y2-Heatexchangerand
Y3-Coolingareshutdown.Afterfreecoolinghasbeenactivated,theheatingoutputisblockedfor60
minutes(congurabletime).

5Maintenance

5.1Important

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

Warning

•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.

•Bewareofsharpedgesduringmountingandmaintenance.Useprotectiveclothing.

5.2MaintenanceIntervals

Thetablebelowshowsrecommendedmaintenanceintervalsfortheunitandtheinstallation.To
ensurealongoperationlifetimefortheunititisimportanttoperformmaintenanceaccordingtobelow
recommendationsandthattheyareperformedaccordingtotheoperationandmaintenanceinstructions.A
thoroughandrecurrentmaintenanceisamustforavalidguarantee.

Typeofmaintenance

Every3months

Onceayear

Whennecessary

Unit

•Cleaningtheunit

•Inspectionofsealsandlocks

X

RotatingHeatexchanger

•Cleaningtheheatexchanger

•Inspectionofsealsandbrushes

•Inspectionoftherotorregulation

X

•Checkthebelttension,adjustif
necessary.

X

Plateheatexchanger

•Cleaningtheheatexchanger

•Cleaningthedrainpan,drain
pipeanddraintrap

•Inspectionofthebypassdamper

X

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SystemairSverigeAB

Typeofmaintenance

Every3months

Onceayear

Whennecessary

Fans

•Cleaningthefans

•Inspectionofvibrationdampers
andexibleconnections

X

Re-heaterbattery

•Venting

•Checkingthestatusofthebattery

•Inspectionoftheoverheat
protectionthermostat(EL
battery)

X

Coolingbattery

•Venting

•Cleaningthedrainpan

•Checkingthestatusofthebattery

•Inspectionofthedroplet
separator

X

Cleaningextractlouvresandsupply
airdiffusers

X

Cleaningtheoutdoorairintake

X

Cleaningtheductsystem

X

1

1.Orinaccordancewithlocalrulesandregulations

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5.3MaintenanceInstructions

5.3.1ChangingSupply/Extractairlter

Thebagltercannotbecleanedandmustbechangedwhennecessary .Newlterscanbeorderedfrom
Systemair.Operationtimebetweenlterchangesdependsontheairpollutionattheinstallationsite.A
differentialpressureswitchindicateswhenit’stimetochangethelters.Thiswilltriggeranalarmin
thecontrolpanel.

Whenthisoccursdothefollowing:

1.Replacethelterswithnewonesasdescribedbelow

2.Acknowledgethealarmbypressingtheredbuttononthecontrolpanel(pos.1gure2)followedbyOK
(pos.4gure2)

3.Choose→AcknowledgebypressingOK

Theltersaretakenoutbypullingthemoutformthelterrailandreplaced(gure3).

Gasketsbetweeneachltershallalsobereplaced.

Fig.3Changinglters

5.3.2Checkingtherotatingheatexchanger

Afteralongtimeofusedustmaybuildupintheexchanger(pos.7,gure1)andblocktheairow.
Itisimportanttocleantheexchangerregularlytomaintainhighefciency.Thecompleterotatingheat
exchangerblockcanbetakenoutoftheunit(gure4)inthesmallermodelstofacilitatecleaningand
maintenance.Washinhotsoapywaterorusepressureair.Donotusedetergentcontainingammonia.

Checkatleastonceayearthattheexchangerrotorrotateseasily.Checkthisbyremovingthedriving
beltandmovetherotorbyhand.Checkalsothatthebrushesareundamaged.Therotorbearingsare
permanentlylubricatedfromfactoryandshouldnotbere-greased.

Check4timesperyearthatthedrivingbeltissufcientlytense,thatitfollowsthetracksandthatitis
undamaged.Ifthebelttensionistoolowitneedstobeshortened.

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Fig.4Dismountingtherotatingheatexchanger

Note:

Makesurethattherotormotorisnotexposedtomoisture.

5.3.3CheckingthePlateheatexchanger

Checktheedgesoftheplatesintheplateheatexchangeronceayear.Theyshouldbecleanand
undamaged.

Iftheedgesarepollutedtheycanbecleanedusingasoftbrush.Iftheyarepollutedwithgreasetheedges
shouldbecleanedbyusingagreasedisolvingdetergent.Theplateheatexchangercanbecleanedwith
highpressurewasherequippedwithmistingjets.T akecarenottodamagethesurfaceoftheplates
duringthecleaningprocess.

Fig.5Cleaningtheplateheatexchanger

5.3.4CheckingtheBypassdamper

Theindividualdamperbladeshaveselflubricatingnylonbearingsandgears.

Onceayear,thedampersneedtobecontrolledvisually.Thedamperneedstoclosecompletelywhenthe
damperhasmovedallthewaytoclosedposition.Adjustthedamperoranylinkagebetweenmotorand
damperifthedamperdoesnotclosecompletely.

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SystemairSverigeAB

5.3.5CleaningtheCondensatedrainage

Thedrainpanbeneaththeexchanger,thedrainpipeanddraintrapneedstobecleanedonceayear.

5.3.6CheckingtheFans

Eveniftherequiredmaintenance,suchaschangeoflters,iscarriedoutdustandgreasemayslowly
buildupinsidethefans.Thiswillreducetheefciency.

Thefansmaybecleanedwithaclothorasoftbrush.Donotusewater.Whitespiritcanbeusedto
removeobstinatesettlements.Allowdryingproperlybeforeremounting.

Thefanmotorbearingsarelifetimelubricatedandshouldnotbere-greased.

Fig.6Checkingthefans

5.3.7CheckingtheHotwaterheatingbattery

Afterlongperiodsofoperation(usuallyseveralyears)dustmayhavedepositedonthesurfaceofthe
battery.Thismayreducebatteriescapacity .Thebatterycanbecleanedwithapressurewasherwith
mistingjets,orwithcompressedair.Cleaningshouldbecarriedoutcarefullysoasnottodamagethe
batteriesaluminiumns.Onceayearthebatterywatercircuitneedstobeventedtomaintainthe
batteriescapacity.

5.3.8CheckingtheFrostprotection

Thefrostprotectionfunctionneedstobetestedatleastonceayear,beforewinter.Cooldownthefrost
protectionsensoruntilthealarmmessageappearsonthecontrolpanel.Checkthattheprotection
sequencebehavescorrectly:Fansshouldbestopped,dampersshouldbeclosedandthewatervalve
shouldopencompletely.

5.3.9CheckingtheElectricalheatingbattery

Afterlongperiodoftimedustandpollutantscanbuildupontheheatingrods.Thiscancauseunpleasant
odorsandintheworstcasere.Cleanwithcompressedair,vacuumorbrush.Theheatingpowercanbe
measured,intheelectricalconnectionbox,beforetheheatingseason.Bylargediscrepancieseachrod
needstobemeasured.Theautomaticsafetyfunctionneedstobetestedandveried.

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SystemairSverigeAB

5.3.10CheckingtheWatercoolingbattery

Drainpanunderthebattery,anditscondensatedrainandtrap,shouldbecleanedonceayear.Ifadroplet
separatorismounted,itshouldbecheckedannuallyandcleanedwhennecessary.

5.3.11ChangingtheInternalBattery

Note:

ThisprocedurerequiresknowledgeofproperESDprotection;i.e.anearthedwristbandmustbeused!

Whenthealarm”InternalBattery”isactivatedandthebatteryLEDlightsupred,thebatteryforbackupof
programmemoryandreal-timeclockhasbecometooweak.Thebatteryisreplacedasdescribedbelow.
Abackupcapacitorsavesthememoryandkeepstheclockrunningforatleast10minutesafterthepower
supplyisremoved.Therefore,ifthebatteryreplacementtakeslessthan10minutes,therewillbenoneed
toreloadtheprogram,andtheclockwillcontinuetorunnormally .

ThereplacementbatterymustbeofthetypeCR2032.

1

Removethecoverbypressingdownthelocking
torquesattheedgeofthecoverusingasmall
screwdriver,andatthesametimepullingthe
edgesoutwards.

2

Gripthebatteryrmlywithyourngersandliftit
upwardsuntilitrisesfromitsholder.

Pressthenewbatteryrmlydownintoplace.Note
thattopreservecorrectpolarity ,thebatterycan
onlybeinsertedthe“rightwayround”.

6Troubleshooting

Shouldproblemsoccur,pleasecheckorcorrectthefollowingbeforecontactingyourservicerepresentative.
Alwayscheckifthereareanyalarmsactiveinthecontrolpanel.

1.Fan(s)donotstart

•Checkifthereareanyalarmmessages

•Checkthatthefusesarenotdefect

•Checkthesettingsinthecontrolpanel(times,weekschedule,auto/manualoperationetc.)

2.Reducedairow

•Checkthesettingsformediumandlowfanspeed

•Checkthattheoutdoor/exhaustairdamper(ifused)opens

•Checkifltersneedchanging

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SystemairSverigeAB

•Checkifdiffusersandlouvresneedcleaning

•Checkdiffuser/louvreopenings

•Checkiffansandexchangerblockneedcleaning

•Checkiftheroofunitorairintakeisclogged

•Checkductsforvisibledamageand/orbuildupofdust/pollution

3.Coldsupplyair

•Checkthecontroltemperatureonthecontrolpanel

•Checkiftheoverheatingthermostathastripped.Ifnecessaryresetthemanualoverheatprotection

situatedontheelectricalheaterframe

•Checkiftheextractlterneedstobechanged

•Checkifthefanshavestoppedduetooverheating.Ifsothethermalcontactmighthavetripped

(showsasFanalarminthecontrolpanel).

4.Noise/vibrations

•Checkthattheunitiscompletelylevelled

•Cleanthefanimpellers

•Checkthatthescrewsholdingthefansaretightenedproperly

•Checkantivibrationpadsandexibleconnections

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SystemairSverigeAB

6.1Alarms

Thealarmbutton(pos.1,gure2)opensthealarmqueue.Whenpressingthisbuttonactiveand
non-acknowledgedalarmswillbedisplayedinthemenuwindow.Thealarm-LED(pos.2,gure2)is
ashingiftherearenon-acknowledgedalarmsandsteadyifthealarmsarestillactivebuthavebeen
acknowledged.Iftherearemultiplealarms,useUP/DOWNtomovebetweenthem.Analarmcanbe
acknowledgedorblockedbyusingOKandUP/DOWN.T oabortandgobacktostartmenupresscancel
andthenpressLEFT.

SeeCommissioningrecordforanoverviewofpossiblealarms

7Service

Beforecallingyourservicerepresentative,makeanoteofthespecicationandproductionnumberfrom
thetypelabel(gure7)

DVCompact-20-R-2,2-400-w/aut

0002823958

400V 3N~

www .systemair .com

2

50 Hz

540kg

Serial.no. 16650/1201403-001/20130613

IP23

1

Made in EU

Systemair AB

SE-73930 Skinnskatteberg

Sweden

Fig.7T ypelabel

PositionDescription

1

Ordernumber

2

Productcode(productspecication)

3

Itemnumber/productionnumber/consequtivenumber/date

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SystemairSverigeAB

lastpage

SystemairABreservestherighttomakechangesandimprovementstothecontents

ofthismanualwithoutpriornotice.

SystemairSverigeAB

Industrivägen3

SE-73930Skinnskatteberg,Sweden

Phone[phone]

Fax[phone]

www.systemair.com

207622