SystemAir Topvex FR03, Topvex FR11, Topvex FR06, Topvex FR08 Operation And Maintenance Instructions

TopvexFR03,FR06,FR08,FR11

CompactAirHandlingUnit

OperationandMaintenanceInstructions

Documentinoriginallanguage

129451-EN_GB

24-06-2015A001

Contents

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

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

2.1DescriptionofInternalcomponents....................................................................................3

2.1.1SupplyandExtractairFans.....................................................................................3

2.1.2SupplyandExtractairFilters...................................................................................3

2.1.3HeatExchanger......................................................................................................4

2.1.4T emperaturesensors...............................................................................................4

2.1.5Waterheatingbattery..............................................................................................4

2.1.6ElectricalHeater.....................................................................................................4

2.2InternalcomponentsElectricalconnectionbox...................................................................5

3InterfaceDescription..................................................................................................................5

3.1ControlPanel...................................................................................................................5

3.1.1Operatingthecontrolpanel......................................................................................6

4Commissioning..........................................................................................................................7

4.1BeforeStartingtheSystem...............................................................................................7

4.2Initialsetupoftheunit.......................................................................................................7

4.3Menuoverview.................................................................................................................9

4.4Freecoolingdescription....................................................................................................24

5Maintenance..............................................................................................................................25

5.1Important.........................................................................................................................25

5.2Maintenanceintervals.......................................................................................................25

5.3Maintenanceinstructions..................................................................................................26

5.3.1ChangingSupply/Extractairlter.............................................................................26

5.3.2Checkingtheheatexchanger..................................................................................27

5.3.3Checkingthefans...................................................................................................28

5.3.4Cleaningextractlouvresandinletdiffusers...............................................................29

5.3.5Checkingtheoutdoorairintake................................................................................29

5.3.6Checkingtheductsystem........................................................................................29

5.3.7ChangingtheInternalBattery..................................................................................29

5.4Troubleshooting...............................................................................................................30

5.4.1Alarms...................................................................................................................30

6Service......................................................................................................................................31

1Warnings

Thefollowingadmonitionswillbepresentedinthedifferentsectionsofthedocument.

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

Warning

•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.

•Bewareofsharpedgesduringmaintenance.Useprotectiveclothing.

•Thisproductisnotintendedtobeusedbychildrenorpeoplewithreducedphysicalormentalability
orlackofexperienceandknowledge,ifnoinstructionconcerningtheusehasbeengivenbythe
personresponsiblefortheirsafetyorthatthispersonissupervisingtheoperation.Childrenshouldbe
supervisedsothattheycannotplaywiththeproduct.

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2ProductDescription

Fig.1ComponentsELunits

Fig.2ComponentsHWunits(incaseofinstalledwaterheatingbattery)

Table1:ComponentdescriptionsELandHWunits

PositionDescription

1Fansupplyair.

2Fanextractair.

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ComponentdescriptionsELandHWunitscont'd

PositionDescription

3Filterextractair.

4Filteroutdoorair.

5

6Rotormotor.

7

8Re-heaterbattery,electricorwatercoil.

9

10

11

12

13Electricalconnectionbox.

14Mountingbrackets.

15

Heatexchanger.

Rotorbelt.

Resetbutton,manualoverheatprotection(onlyunitswithelectricalheater).

Pressureguardforlter.

Pressuretransmitterforfan.

Rotationguardforheatexchanger.

Rotorcontrol(locationdependingonsizeofunit)

2.1DescriptionofInternalcomponents

2.1.1SupplyandExtractairFans

ThefanshaveexternalrotormotorsofECtypewhichcanbesteplesslycontrolledindividually0–100%.It
ispossibletoprogramthespeedin2steps(normal/reduced)dependingontheprogrammingoftheweek
schedule.Themotorbearingsarelifetimelubricatedandmaintenancefree.Itispossibletoremovethe
fansforcleaning(chapter5).

2.1.1.1PressuretransmitterFans

2pressuretransmittersmaintaintheairowataconstantlevelbymeasuringthedifferentialpressureover
theinletconeofthefanimpellers(pos.11gure1andgure2)).Thepressuretransmittersareinstalled
fromfactoryinallCAVunits.V AVcontrolofthefansisavailableasanaccessory .TheVAVaccessory
kitincludestwopressuretransmitters,tubes,electricalcablesandinstructiononhowtoconnecttothe
airhandlingunitandset-upthecontroller.See“Installationinstructions”formoreinformationconcerning
VAVinstallations.

2.1.2SupplyandExtractairFilters

TheltersareofbagltertypewithlterqualityF7forthesupplyairlterandM5fortheextractairlter.
Theltersneedtobereplacedwhenpolluted.Newlterscanbeacquiredfromyourinstallerorwholesaler.

2.1.2.1Pressureguardforlters

Apressureguardmeasuresthedifferentialpressureoverthesupplyandextractairlters(pos.10gure1
andgure2).Whenthepressuredropreachesapresetvalueanalarmistriggeredinthemainregulator.
Thealarmvalueissetaccordingtorecommendationsforthefactorymountedlters.Itispossibletoadapt
settingstospecicinstallationsandltertypes,seeAlarmsettingsinchapter4.3.

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2.1.3HeatExchanger

TopvexFRmodelsareequippedwithahighlyefcient,beltdriven,rotatingheatexchanger.Required
supplyairtemperatureisthereforenormallymaintainedwithoutaddingadditionalheat.Theoperationof
theheatexchangerisautomaticanddependsonthesettemperature.

Theheatexchangerisremovableforcleaningandmaintenance(chapter5).

2.1.3.1Rotormotor

Therotormotordrivestheexchangerrotorwithaninnitelyrpmaslongasthereisaheatdemand.The
motoriscontrolledbyananalogue0-10Vcontrolsignal(pos.6gure1andgure2).

2.1.3.2Rotationguard

Asensorregisterstherotationoftheheatexchangerrotor.It’sconnectedtothemainregulatorwhich
givesanalarmiftherotorstopswhilethereisaheatdemand(pos.12gure1andgure2).

2.1.4Temperaturesensors

4temperaturesensors(PT1000)areincludedintheunitfromfactory.Thesensorsareasfollows:

•Supplyairsensor

•Extractairsensor

•Outdoorairsensor

•Efciencytemperaturesensor

InT opvexFR03–11alltemperaturesensorsaremountedandwiredinsidetheunitexceptforthesupplyair
sensor,whichislooselydeliveredwiththeunitandneedstobeinstalledinthesupplyairductexternally
fromtheunit.SeeInstallationinstructionsformoreinformation.

2.1.5Waterheatingbattery

Inunitswithbuiltinwaterheatingbatterythehotwatercoilislocatednexttothesupplyairconnection.
ThehotwatercoilcanbeeitherHWL(hotwatercoil,lowpower)orHWH(hotwatercoil,highpower).
Thecoilmaterialiscopperpipingwithaframeofgalvanizedsheetsteelandaluminiumns.Thecoilis
equippedwithventingandimmersionsensorforfrostprotection.

2.1.6ElectricalHeater

Inunitswithbuiltinelectricalheatertheheatingrodsarelocatedafterthesupplyairfanintheairow
direction.Thematerialisstainlesssteel.Theelectricalheatingbatteryhasbothautomaticandmanual
overheatingprotection.Themanualoverheatprotectionisresetbypushingtheredbuttonontopofthe
electricalheaterframe(pos.9gure1).Thepowerdemandoftheelectricheatingcoiliscontrolledby
themainregulator,whichcontrolstheheatsteplesslybyaTTCtriaccontrolaccordingtothedesired
supply/extractorroomairtemperaturethatissetinthecontrolpanel.

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

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2.2InternalcomponentsElectricalconnectionbox

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

TopvexFR03–11areequippedwithabuiltinregulatorandinternalwiring(gure3).

Fig.3Electriccomponents

3InterfaceDescription

Positiondescription

1RegulatorE-28WEB.

2

3

4

5

6

7

8

9

10

Transformer230/24VAC.

Terminalsforinternalandexternal
components.

Terminalsforinternalwiring.

Terminalsformainssupplytotheunit.

Contactor(K2)Pumpcontrolwater(HW
unitsonly,notpresentinEL-units).

Automaticfuse.

Automaticfuseforheater.

Contactor(K3)ELheater.

TTCElheatercontrol.

3.1ControlPanel

TheSCPcontrolpanelisdeliveredwitha10mcable(upto100mcanbeused)thatisconnectedto
thepanelandwithafastcouplingcontact,connectedtotheT opvexunit.Thecontactisconnectedto
theCorrigocontrollerintheelectricalconnectionbox.Thecablecanbeunscrewedinthebackofthe
controlpanel(gure4).

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3.1.1Operatingthecontrolpanel

Fig.4Thecontrolpanel

Posi-

tion

1

2

3

4

5

6

7

8

9

10

11

12

Explanation

Alarmbutton:Givesaccesstothealarmlist.

AlarmLED:Indicatesalarmbyashingredlight.

WriteLED:Indicatesbyashingyellowlightthatparameterscanbesetorchanged.

OKbutton:Pressthisbuttontobeabletochangeorsetparameterswheneverpossible.Also
usedtomovebetweenchangeableparametersinonedialoguewindowframe.

Cancelbutton:Usedtoabortachangeandreturntotheinitialsetting.

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

Mountingholes.

Connectionblock.

Connectiontobrowncable.

Connectiontoyellowcable.

Connectiontowhitecable.

Connectiontoblackcable.

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3.1.1.1Navigatingthemenus

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

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

4Commissioning

4.1BeforeStartingtheSystem

Whentheinstallationiscompleted,checkthat:

•Theunitisinstalledinaccordancewiththeinstallationinstructions.

•Theunitiscorrectlywired.

•Soundattenuatorsareinstalledandthattheductsystemiscorrectlyconnectedtotheunit.

•Outdoorairintakeispositionedwithsufcientdistancetopollutionsources(kitchenventilatorexhaust,
centralvacuumsystemexhaustorsimilar).

•Allexternalequipmentareconnected.

•Thefollowingdataisavailable:

•Intendedconguration,forexampletemperaturecontrolfunctions,fancontrol,externalcontrol

functionsetc.

•Howtheunitissupposedtooperateaccordingtoaweeklyschedule(normalandreducedspeed).

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.

2

Showstheactualextractairtemperature

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

ChooseLanguage

English

Extractairtemp

Actual:....ºC

Setp.:18ºC

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3

Checkandmakesurethatcorrecttimeanddateis
displayed,ifnotchangethesettings

Time:12.46

Date:2010–03–12

Weekday:Friday

4

Settheweekscheduleforhowit’sintendedforthe
unittooperateatnormalspeedduringMondayto
Friday.It’spossibletoset2periodsperday .

5

Settheweekscheduleforhowit’sintendedforthe
unittooperateatnormalspeedduringSaturdays
andholidays.It’spossibletoset2periodsperday.

6

Settheweekscheduleforhowit’sintendedforthe
unittooperateatreducedspeedduringMonday
toFriday.It’spossibletoset2periodsperday.
Normalspeedinactivatesreducedspeed.

7

Settheweekscheduleforhowit’sintendedforthe
unittooperateatreducedspeedduringSaturdays
andholidays.It’spossibletoset2periodsperday.

Normalspeed

Monday→Friday

Per1:07:00–16:00

Per2:00:00–00:00

Normalspeed

Saturday→Holiday

Per1:07:00–16:00

Per2:00:00–00:00

Reducedspeed

Monday→Friday

Per1:00:00–24:00

Per2:00:00–00:00

Reducedspeed

Saturday→Holiday

Per1:00:00–24:00

Per2:00:00–00:00

8

Select“Yes”or“No”

EndWizard

No

Afternishingthesetupthemenusystemfor“Operatorlevel”willbeavailable.

SeebelowmenuoverviewsthatdisplaytheavailablemenusintheOperatorlevelfollowedbythe
“Servicelevel”manual.

ToenterServicelevelusecode2222inthe“Accessrights”menu.Foroperatorlevelusecode1 111.

ToenterAdministratorlevelusecode3333inthe“Congurationmenu”.

Note:

Toperformmoreadvancedsettingspleaseseetheseparate“GeneralCommissioningRecord”on
www.systemair.com,onlinecatalogue

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4.3Menuoverview

BelowmenuoverviewshowsboththeOperator,ServiceandAdministratorlevel.Theoverviewoftheparts
uniquetothelevelsinbelowtablearemarkedwithdifferentbackgroundcolor.

TologontoOperator
levelusecode
1111underAccess
rights.

Mainmenuitem

FR03EL

2015–03–1509:00

System:Normalrun

Sp:22.0Act:ºC

→Runningmode→RunningmodeRunningmode

TologontoService
levelusecode
2222underAccess
rights.

Sub-menuitem1Sub-menuitem2

Auto

Optime

SAF:0.0h

EAF:0.0h

→Selected
functions

Controlfunction

Cascadeextract
ctrl

Fancontrol

Flow/Pressure/
Manualcontrol

Heating:Water

Tologonto
Administratorlevel
usecode3333
underAccess
rights.

Explanations

Startscreenheadline

Canbesetto5differentlayouts

(Changeableat“Administrator
level”underthe
Configurationmenu).

SetrunningmodetoAuto,

Manualreducedrun,
ManualnormalrunorOff.

Thetimeinhoursthatthe
motorshavebeenoperating

SAF=Supplyairfan

EAF=Extractairfan

Typeofairtemperaturecontrol
theunitisconguredfor.

Typeoffanspeedcontrolthe
unitisconguredfor.

Typeofheatingselected.

Exchanger:
Plate/Rot.exc

Cooling:Not
connect

Freecool
active:No

Supportcontrol

Active:No

CO2/VOCactive

Never

Firedamper
function

Notactive

Operationwhen
alarm

Stopped

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Typeofexchangerselected.

Typeofcoolingselected.

Statusofthefreecooling
function.

Statusofthesupportcontrol
function.

Statusofthedemandventilation
(CO2/VOC)function.

Statusoftheredamper
functionwhenrealarmis
active.

SystemairSverigeAB

Mainmenuitem

Sub-menuitem1Sub-menuitem2

Frostprotection

Active

Explanations

Statusofthefrostprotection
function.

→Alarmevents

→Input/Output

Coolingrecovery

Yes

Externalset
point

Notactive

→AI

→AIexp3

→DI

→UI

→UIexp3

Statusofthecoolingrecovery
function.

Statusoftheexternalsetpoint.

Alarmloglistalongwiththetime
anddatetheyoccurred.

Movedownandupinthelistby
pressing↑↓.

StatusoftheAnalogueinputs.

StatusoftheAnalogueinputs
forexpansionunit.

Onlyvisiblefor
counter-/crossowunits
withaconnectedpressure
module

StatusoftheDigitalinputs.

StatusofUniversalAnalogue
inputsorUniversalDigital
inputs.

StatusoftheUniversalAnalogue
inputsforexpansionunit.

Onlyvisiblefor
counter-/crossowunits
withaconnectedpressure
module

→AO

→DO

→Temperature

Extractair
temp

Actual:ºC

Setp:22.0ºC

StatusoftheAnalogueoutputs.

StatusoftheDigitaloutputs.

Conguredtemperaturecontrol
(defaultisExtractair
temp).

Actualtemperatureinthe
chosencontrolmode.

Set-pointtemperatureforthe
chosencontrolmode.

Ifcascade
control

Max/minsupply
setp.

Max:30ºC

Setthemaximumandminimum
allowedsupplyairtemperature
incaseofcascadecontrol.

Logontoservicelevelneeded
tochangesettings.

Min:14.0ºC

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Outdoortemp:
ºC

Neutralzone0.0
°C

Supplyairtemp

Act.:ºC

Setp:18ºC

Explanations

Actualoutdoorairtemperature.

Actualsupplyairtemperature.

Calculatedsupplyairsetpoint.
Theextractaircontrolleroutput
signalgeneratesthesupplyair
controller’ssetpointvalue.

Aneutralzonecanbeset
aroundthesetpointvalue.

Note:

SeeCorrigomanual-Ventilation
applicationformoreinformation.

Frost
protection

Actual:ºC

Efficiency

exch.

Actual:%

Output
exchanger

Actualwatertemperatureinthe
waterheatingbattery.(Only
visibleforHWunits).

Actualheatrecoveryefciency .

Thefunctioncalculatesthe
heatexchangerstemperature
efciencyin%whentheoutput
signaltotheexchangeris
higherthan5%andtheoutdoor
temperatureislowerthan10°C.

Efciencycalculatedfromthe

Actual:100%

Outdoor,ExtractandEfciency
airtemperature.

Whenthecontrolsignalis
lowerthan5%ortheoutdoor
temperatureishigherthan10°
Cthedisplaywillshow0%.

Statusoftheexchangeroutput.

Tempfor
calculation

Presentedtemperaturefor
supplyairefciencycalculation.

efficiency
Act:NaNC

→AirControl

Thismenuoptionbecomes
visibleiftheunitiscongured
for“Flowcontrol”,“Manual
frequency”or“Pressure
control”.

Frequency

Frequencycontrolmanual.

controlmanual
SAF

Fanscontrolledbysettingxed
outputsignal.

Output:%

Thismenuoptionbecomes
visibleiftheunitiscongured
for"Manualfrequency”.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Frequency
controlmanual
SAF

Output1/1:75%

Output1/2:50%

Outdoor
comp.output.

–20°C=0m³/h

0°C=0m³/h

Act.Comp:0
m³/h

Frequency
controlmanual
EAF

Output:%

Frequency
controlmanual
EAF

Output1/1:75%

Explanations

Flowcontrol
SAF

Actual:m³/h

Setp.:m³/h

Output1/2:50%

Outdoor
comp.output.

–20°C=0m³/h

0°C=0m³/h

Act.Comp:0
m³/h

FlowcontrolSAF

Setp1/1:1100
m³/h

Setp1/2:550
m³/h

Outdoor
comp.Setp.

–20°C=0m³/h

0°C=0m³/h

Act.Comp:0
m³/h

Airowforthesupplyairfan
(constantairowcontrol).

Onlyvisibleiftheunitis
conguredfor“Flowcontrol”
(CAV).

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

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

Showstheactualairow
compensation.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Flowcontrol
EAF

Explanations

Airowfortheextractairfan
(constantairowcontrol).

Actual:xxx
m³/h

Setp.:xxxm³/h

Pressure
controlSAF

Actual:Pa

Setp.:Pa

FlowcontrolEAF

Setp1/1:1100
m³/h

Setp1/2:550
m³/h↓

Outdoor
comp.Setp.

–20°C=0m³/h

0°C=0m³/h

Act.Comp:0
m³/h

Pressurecontrol
SAF

Setp1/1:200
Pa

Onlyvisibleiftheunitis
conguredfor“Flowcontrol”
(CAV).

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

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

Showstheactualairow
compensation.

Theactualexternalpressure
andsetpointforthesupplyair
fan.

Onlyvisibleiftheunitis
conguredfor"Pressure
control"(VAV)

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

Setp1/2:100
Pa

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

Theactualexternalpressure
andsetpointfortheextractair
fan.

Onlyvisibleiftheunitis
conguredfor"Pressure
control"(VAV).

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Mainmenuitem

→Timesettings

Sub-menuitem1Sub-menuitem2

Pressurecontrol
EAF

Setp1/1:200
Pa

Setp1/2:100
Pa

Outdoor
comp.Setp.1

—20°C=0Pa

10°C=0Pa

Act.Comp:0
Pa

ExtraflowEAF
Actual:m³/h

→Time/Date

Explanations

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

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

Showstheactualpressure
compensation.

Showstheextractairow

Setcorrecttimeanddate.

→TimerNormal

Speed

→TimerReduced
Speed

NormalSpeed
Monday
Per1:
07:00–16:00
Per2:
00:00–00:00→

NormalSpeed
Monday-Friday
Per1:
07:00–16:00
Per2:
00:00–00:00

Reducedspeed
Monday
Per1:
00:00–24:00
Per2:
00:00–00:00→

ReducedSpeed
Monday-Friday
Per1:
00:00–24:00
Per2:
00:00–00:00

Set00:00-24:00forcontinuous
running.Setting00:00-00:00
inactivatestheperiod(stopsthe
unit).Normalspeedoverrides
Reducedspeedi.e.Normal
speed07:00-16:00and
Reducedspeed00:00-24:00
runstheunitonNormalspeed
07:00-16:00andReduced
speedtherestoftheday.

SetweekscheduleMonday
toSunday,Monday-Friday+
Holidayfornormalspeed.
Possibletoset2periodsper
day.

Notethesettingsinthe
commissioningrecord.

SetweekscheduleMonday
toSunday ,Monday-Friday+
Holidayforreducedspeed.
Possibletoset2periodsper
day.

Notethesettingsinthe
commissioningrecord.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

→Extended

Extendedrunning

running

60min

Timeinext.
running

0min

→HolidaysHolidays(mm:dd)

1:01–01—01–02

2:01–01—01–01

3:01–01—01–01

Explanations

Setthetimeforextended
running.Usedigitalinputto
forcetheunittostartorincrease
tonormalrunningevenifthe
actualmodeisOfforReduced.

Iftherunningtimeissetto0
theunitonlyrunsaslongasthe
digitalinputisclosed.

Thetimetheextendedrunning
isactiveismonitoredin"Timein
ext.Running".

It'salsopossibletosetatime
hereaswellinordertoshorten
theinitialsetperiod.

Setupto24separatepossible
holidayperiodsforafullyear.

Aholidayperiodcanbeany
numberofconsecutivedays
fromoneandupwards.

Thedatesareintheformat:
MM:DD.

Whenthecurrentdatefalls
withinaholidayperiod,the
schedulerwillusethesettings
fortheweekday“Holiday”.

→Manual/Auto

Inthismenutherunningmode
ofalltheconguredoutput
signalsandanumberofcontrol
functionscanbemanually
controlled.

Thesupplyaircontroller'soutput
signalcanbemanuallyset
(Manual/Auto)toanyvalue
between0and100%.The
temperatureoutputsignalswill
changeaccordinglyiftheyare
inAutomode.Itisalsopossible
tomanuallycontroleachof
thetemperatureoutputsignals
individually.

Sinceleavinganyofthe
outputsinmanualcontrolwill
disruptthenormalcontrol,
analarmwillbegeneratedas
soonasanyoutputissettoa
manualmode.

Supplytemp.
contr.

Auto

Manualset:

0.0

Setthesupplyairtemperature
controllertoAuto,Manualor
Off.

Settheoutputsignalbetween
0-100%.

TheoutputsY1,Y2andY3,ifin
Auto-mode,willfollowthesignal
accordingtothesetsplitvalues.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

SAF:Auto

Manualset:

0.0

EAF:Auto

Manualset:

0.0

Heating

Auto

Manualset:

100.0

Exchanger

Auto

Manualset:

0.0

Cooling

Auto

Manualset:

0.0

Explanations

SettheoutputsignalforSAF
(supplyairfan)to:Auto,

Manual,1/2–speedor
1/1–speed.

SettheoutputsignalforEAF
(extractairfan)to:Auto,

Manual,1/2–speedor
1/1–speed.

SettheheatingtoAuto,
ManualorOff.

Setthemanualoutput0-100%.

Settheexchangerrotorcontrol
toAuto,ManualorOff

Setthemanualoutput0-100%

SetthecoolingtoAuto,Manual
orOff

Setthemanualoutput0-100%

Note:

P1–Heating

Auto

P1–Cooling

Auto

Firedamper

Auto

Outdoorair
damper

Auto

Exhaustair
damper

Needstobeactivatedinorder
tobevisiblehere

Setthepumpcontrolforthe
heatingcoiltoAuto,OnorOff

Setthepumpcontrolforthe
coolingcoiltoAuto,OnorOff

SettheFiredampertoAuto,
OpenorClose

Note:

Needstobeactivatedinorder
tobevisiblehere

Congurationofredamper
functionsaremadeat

Administratorlevel

SettheOutdoorairdamperto

Auto,OpenorClose

SettheExhaustairdamperto

Auto,OpenorClose

Auto

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Extrasequence
Y4

Explanations

SettheExtrasequencetoAuto,

ManualorOff

Auto

Manualset:

0.0

Extrasequence
Y5

Auto

Manualset:

0.0

→Settings

→Controltemp

Supplyair
control

P-band:33.0°C

I-time:100.0
sec

OnlyvisibleforTopvexSC
units

SettheExtrasequencetoAuto,

ManualorOff

Notusedindefaultsetting.

Inthismenugroupthesettings
fortheactivatedfunctionsare
available.Dependingonwhich
choiceshavebeenmadeinthe
congurationmenusomeofthe
possiblealternativesmaynotbe
displayed.

SetP-bandandI-timeforthe
Supplyaircontrolfunction

Note:

SeeCorrigomanual-Ventilation
applicationformoreinformation.

Extractair
control

P-band:100.0°C

I-time:300.0
sec

Shutdownmode

P-band:100.0°C

I-time:100.0
sec

SetP-bandandI-timeforthe
Extractaircontrolfunction

Note:

SeeCorrigomanual-Ventilation
applicationformoreinformation.

SetP-bandandI-timeforthe
Shutdownfunction

Note:

SeeCorrigomanual-Ventilation
applicationformoreinformation.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

→Frost
protection

Active

Explanations

Statusforfrostprotection.

Whenrunningmodeswitchedto
"Off".

→Controlflow

orControl
pressure

→Alarm
settings

Setpshutdown:

25.0°C

P-bandactive:

5.0°C

Faststopat
frostprotection
alarm

Yes

Sequencywith
frostprotection

Y1–Heating

FlowcontrolSAF

P-band:2160.0
m³/h

I-time:40.0
sec

Min.output:
0%

FlowcontrolEAF

P-band:2160.0
m³/h

I-time:40.0
sec

Min.output:
0%

→Alarmlimits

→Alarmdelays

→Restorealarm

Shutdowncontrollerwillcontrol
theheatingoutputtomaintaina
constantsettabletemperature
atthefrostprotectionsensorfor
thehotwatercoil.

Iffrostprotectiontemperature
fallsbelowFrost

protectionAlarmlevel

+settableP-Bandforfrost
protection,itwillrisetheinternal
signalandforcetheheating
valvetoopentoavoidfreeze-up
ofhotwatercoil.

Setthefaststopoftheunitin
caseoffrostprotectionalarmto
YesorNo.

Frostprotectioncontrol.

IsavailableforY1heating,
Y4extrasequenceoron
bothY1andY4.

OnlyshownifFancontrol
selectedtothesealternatives.

SetP-band,I-timeandMin.
outputforthesupplyairfan
whentheunitcomescongured
asFlowcontrolfrom
factory.AlternativelyPressure
controlifthatcongurationis
chosen

SetP-band,I-timeandMin.
outputfortheExtractairfan
whentheunitcomescongured
asFlowcontrolfrom
factory.AlternativelyPressure
controlifthatcongurationis
chosen

Setthealarmlimitsandallowed
deviationsforthedifferent
functions

Setthealarmdelaysand
alloweddeviationdelaysforthe
differentfunctions

Resettheservicealarm(lter
alarm).

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Mainmenuitem

Darkergrayarea,login
to“Administratorlevel”
code3333

→Configuration

Sub-menuitem1Sub-menuitem2

Restorefactory

settings:No

Restoreuser

settings:No

Saveuser
settings

No

→

Inputs/Outputs

→

Sensorsettings

→

Control

Controlfunction

Mode:

function

Cascadeextract
ctrl

Explanations

Inthismenu,itispossibleto
restoreallparameterstotheir
factorysettingsortotheuser
settingstheyweresavedas

earlier.

SelectYesorNo

Thecurrentcongurationcan
besavedinaseparatememory
areaandcanlaterberestored
usingthepreviousmenu,
Restoreusersettings.Select
YesorNo

Setupforinputsandoutputs.

Setupofsensortypesand
controlrange.

Settypeoftemperaturecontrol
functionyouwanttheunitto
operateunder.Choosebetween

Roomcontrol,Cascade
extractctrl,Outd
comproom,Outdcomp
extrair,Supplyair
control,Outdoorcomp.
supply

Extract/supplyair

→(possibletoswitchbetween
thetwodependingonoutdoor
temp.),

Room/supplyair→(possible
toswitchbetweenthetwo
dependingonoutdoortemp.),

Fancontrol

→

Extrasequency
Y4

TopvexSC:

Modeextra
sequenceY4

Activewcool
recov

OnlyactiveforTopvexSC

Canbeconguredtoone
ofthefollowingalternatives:

Active,Activewith
coolingrecovery,
Activewithenthalpy
controlandActivewith
bothcoolingrecovery
andenthalpycontrol.

→

Extrasequency
Y5

ExtrasequenceY5canbe
conguredtoActiveorNot
active.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

→

Pumpcontrol

→Freecooling

P1–Heating

P1–Cooling

Freecool
active:No

Explanations

Setparametersforpump

control.

If,foranyofthecontrolcircuits,
nooutputisconguredforpump
controlthesesettingswillbe
ignored.

SetfreecoolingactivetoYesor
No.

Outd.temp
activation

22°C

Outd.temp
night

High:15.0°C

Low:5.0°C

Roomtempmin.
18°C

Hourfor
start/stop

Settheloweroutdoorday
temperaturelimitforthe
activationofthefreecooling
function.Thetemperatureof
thepreviousdayneedstobe
overthesettemperaturein
orderactivatethefreecooling
function.

Settheupperoutdoornight
temperaturelimitforthe
activationofthefreecooling
function.

Settheloweroutdoornight
temperaturelimitforthe
activationofthefreecooling
function.

Setthelowerroomtemperature
limit.Thetemperatureneedsto
beabovethisvalueforthefree
coolingfunctiontostayactive.

Ifnoroomsensorareconnected
extractairisvalid.

Setthestartandstoptimefor
thefreecoolingfunction

Freecooling

Start:0

Stop:7

Timetoblock
heatoutput
afterFree
cooling

60min

Fanoutputwhen
freecooling

SAF:0%

EAF:0%

ForexampleStart:0and

Stop:6

meansthatthefreecooling
sequenceisactivebetween

00.00and06.00h.

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

Setthefanspeedinpercentage
ofthenormalspeedforeach
fanindividuallyduringthefree
coolingsequence

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Outdoorsensor
placedinintake
channel(intakeduct)

No

→Support

Supportcontrol

control

Active:No

EAFrunning
duringSupport
contr.:Yes

Min.runtime
forsupport
ctrl:60min

→CO2/VOC
Control

CO2/VOCactive

Never

Type:Fan

Min.time:60
min

Explanations

Setiftheoutdoorsensoris

placedintheintakeductornot.

ChoosebetweenNoandYes

PresetisNo.

Whenusingthecontrol
functionroomcontrolor
extractairtemperature
control,itispossibleto
utilizesupport-heatingand/or
support-cooling.Minimum
runningtimeissettable0…720
minutes(factorysetting60
minutes).Choosebetween
“Active:Y esorNo”.

(Forstartandstoptemperatures
seethe"Temperature"menu)

Settheminimumrunningtime
inminutesforsupportcontrol

Inapplicationswithvarying
occupancythefanspeeds
canbecontrolledbytheair
qualityasmeasuredbya
CO2/VOC-sensor.SeeCorrigo
manualforfurtherexplanation

SetactivetoNever,Alwaysor
Iftimechanneloff.

Setwhatshouldberegulated.
SelecttypeFan

Setthemin.timetheunitis
activatedbytheCO2/VOC
demandfunction

Activationlevel

1/2–speed:800
ppm

1/1–speed:1000
ppm

diff:160ppm

Settheactivationlevelat1/2
speed

Settheactivationlevelat1/1
speed

Setalloweddiff.value

Sequencywith
CO2comtrol

CO2/VOCcontrolcanbeused
withmixingdampers.

Y2exchanger

SelectforuseonY2,Y4oron
bothoutputs.

→

FireFunction

Firedamper
function

Notactive

Operationwhen
alarm

Stopped

Therealarminputcanbe
conguredasNotactive,

Normallyclosedor
Normallyopen.

Chooseoperationwhenalarmis
activeStopped,Continuous

run,Normalrun,Only
SAF,orOnlyEAF

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Firealarminput

Normallyopen

Damperexercise

Explanations

Firealarminputcanbe
conguredtonormallyopenor
normallyclosed.

Firealarminputisalsoavailable
tobecongurefromdigital
inputs.

Notetheriskofatwicechanged
signalcancreateanundesired
function.

No

Activatetheredamper
exercising,choosebetween

No,Yesunitrunningor
Yesunitstopped.

Settheparametersfordamper
exerciseinthesubmenu.

→Exchanger

deicing

Exchanger
deicing

Thissectionsisforunitswith
counterowandcrossow
exchangers.

Yes

Setifexchangerdeicingwillbe
used,Yes/No

Thissectionsisforunitswith
counterowandcrossow
exchangers.

Bypass:On

Exchangerdeicingallowedwith
bypass,On/Off.

Stopdeicing:
On

Activationtemp:
0,0°C

Exchangerdeicingallowedwith
stopofthesupplyairfan(SAF),

On/Off

Outdoortemperaturelimitto
allowdeicingfunction.

StoptempSAF:

-8,0°C

Outdoortemperaturelimitfor
forcedstopdeicing,interlockof
bypassdeicing.

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Mainmenuitem

Sub-menuitem1Sub-menuitem2

Explanations

Thissectionsisforunitswith
counterowandcrossow
exchangers.

SetpPressdev:
50%

Setpointinpercentofthe
pressuredeviationtostart
deicing.

Stophyst:60%

Reductionofthepressure
deviationinpercenttocancel
deicing.

Actualsetp:
xxxPa

Actualsetpointfordeicing
presented.

Note!Thevaluecanvary,
dependingonairow.

Manualcalib:
Off

ManualcalibrationON/Off
tomakeanewcalibration
manually.

Note!Recommendedto
performthisoperationwithadry
exchangerandnormalairow.

→Cooling

recovery

Coolingrecovery

Yes

Coolinglimit:

2.0°C

SetthecoolingrecoverytoYes
orNo.

Setthecoolinglimit(the
differenceintemperature
betweenextractairandoutdoor
airthatactivatesthecooling
recovery).

→

External
setpoint

External
setpoint

Notactive

Minsetp.:

Anexternalsetpointdevicecan
beconnected.Thesetpoint
devicemustfollowthePT1000
resistancecurve.Thesetting
rangecanberestricted.

12.0°C

Maxsetp.:

30.0°C

→

Alarmsettings

Alarmno(1–100):
1
RunErrorSupply
Air

→

Communication

FunctionPort1

Slave

Function
Expansionunit

Slave

Choosebetweendifferent
communicationsSlave,

Expansionunit,Freq
conv/Presstran,
Externaldisplay,Exp
andfreqconvorExpand
extdisplay.

→FunctionPort2

Expandext
display

PDTxxC-2

Pressuredualtransmitter
module.

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Mainmenuitem

→Accessrights

Sub-menuitem1Sub-menuitem2

Expansionunit1
None

Expansionunit2
None

Expansionunit3
PDTxxC-2

Expansionunit4
PDTxxC-2

→LogonLogon

Enterpassword
xxxx

Actuallevel:
None

→LogoffLogoff?

No

Actual
level:None

→Change
password

Changepassword
for

Explanations

Logontoservicelevelby

enteringa4-digitcode.After
reachingthedesiredlevelgo
backwith“LEFT”arrow(press2
times)onthecontrolpanel.

Standardcodefromfactoryto
enterservicelevelis2222.Back
tooperatorlevel:111 1.T oenter
Adminlevelcode:3333.

LogofffromAdministratorlevel
bychangingNotoYeswiththe
"OK"and"UP/DOWN"buttons

Automaticlogoffafter6minutes
ofinactivity.

Setanewpasswordforthe
levelofyourchoice.

level:None

Newpassword
xxxx

Canonlybedoneoncelogged
ontotheservicelevel.

4.4Freecoolingdescription

Thisfunctionisusedduringthewarmperiodtosaveenergybyusingcoldoutdoorair,e.g.duringnight
time,tocooldownthebuildingandtherebyreducingtheneedforcoolingduringthedaytime.

Note:

ThefollowingisonlyvalidifthefreecoolingfunctionissettoActiveintheprogrammenu.

Freecoolingisonlyactivatedwhenthefollowingstartingconditionsaremet.

Startingconditions:

•Lessthan4dayshavepassedsincetheunitwaslastinrunningmode

•Theoutdoortemperatureduringthepreviousrunningperiodexceededasetlimit(+22°C)

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

•Thetimeroutputsfornormalspeed,ExtendedrunningnormalandExternalstopareOff

•AtimechannelwillbeOnsometimeduringtherecentlystarted24hours.

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

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Iftheoutdoorsensorisnotlocatedintheoutdoorairinletductandaroomsensorhasbeenselected,
theunitwillnotstartfreecoolingaslongasallthetemperaturesarenotwithinthestartandstop
temperatureintervals.

Stopconditions:

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

•Theroomtemp/extractairtempisbelowthesetstopvalue(+18°C)

•Oneofthetimeroutputsfornormalspeed,ExternalstoporExtendedrunningnormalisOn

•Thetimehaspast07:00:00.

Ifanystopconditionsisfullledafterthreeminutes,theunitwillstopagain.Otherwise,operationwill
continueuntilastopconditionisfullled.

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

5Maintenance

5.1Important

Danger

•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!

•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.

Warning

•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.

•Bewareofsharpedgesduringmountingandmaintenance.Useprotectiveclothing.

5.2Maintenanceintervals

Thetablebelowshowsrecommendedmaintenanceintervalsfortheunitandtheinstallation.T o
ensurealongoperationlifetimefortheunititisimportanttoperformmaintenanceaccordingtobelow
recommendationsandthattheyareperformedaccordingtotheoperationandmaintenanceinstructions.A
thoroughandrecurrentmaintenanceisamustforavalidguarantee.

TypeofmaintenanceOnceayear

Whennecessary

Cleaningtheheatexchanger.

Cleaningthefans.

Cleaningextractlouvresand
supplyairdiffusers.

Cleaningtheoutdoorairintake.

Cleaningtheductsystem.

1.Orinaccordancewithlocalrulesandregulations

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X

X

25

X

1

X

SystemairSverigeAB

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gure4)followedbyOK
(pos.4gure4).

3.Choose→AcknowledgebypressingOK.

Theltersaretakenoutaccordingtobelowprocedure:

1

Releasethelterframebypullingtheltersupport
bars.

2

Tiltthesupportbarstotheback.

3

Itisnowpossibletofoldthelterandframe
backwards.Thisisespeciallyimportantifthereis
lackofspaceinfrontoftheunitandthesliding
doorkitisused.

Theltercannowbetakenoutoftheunit.

4

Insertthenewlterandfastenitagainsttheinletsealwiththeltersupportbars.

Makesurethelteristtedtightallaroundtheframe.

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5.3.2Checkingtheheatexchanger

Afteralongtimeofusedustmaybuildupintheexchanger(pos.5,gure1)andblocktheairow.Itis
importanttocleantheexchangerregularlytomaintainhighefciency.TheheatexchangerintheT opvex
FR03–11canbetakenoutoftheunit.Washinhotsoapywaterorusepressureair.Donotusedetergent
containingammonia.

Note:

Makesurethattherotormotorisnotexposedtomoisture.

5.3.2.1Dismountingtheheatexchangerblockonceilingmountedunits

1

Removetheexchangercoverplateinthecentreof
theunitbyunscrewingthe4screwsinthecorners
oftheplate.

Removingtheplateisonlypossibleafteropening
bothinspectiondoors.

2

Thereare4screws(2oneachside)holdingthe
heatexchangerblock(ModelsFR08andFR11
have8screws,4oneachside).Whenremoving
theheatexchangerstartwithcheckingthatthe
screwmarked“A”istightenedproperly.Remove
thescrewmarked“B”completelyasshowninthe
gureafterwhichthescrewmarked“A”isloosened
carefully,justenoughtoallowtheexchangerframe
toslideinthetracks.

3

Slideouttheexchangerblockuntiltheendofthe
tracks.

Warning

Theheatexchangerblockisheavy.Use
propersupportdevicewhentakingouttheheat
exchangerblockformaintenance!

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SystemairSverigeAB

4

Afternishedcleaning/maintenance,pushbacktheheatexchangerblockandfastenallscrewstightly.

5.3.2.2Dismountingtheheatexchangerblockonoormountedunits

1

Loosenallscrewscompletelyholdingtheheatexchangerblock.

2

Removetheheatexchangerblockcompletelyby
liftingitstraightup.

Caution

Theexchangerblockisheavy,makesureto
useproperliftingdeviceorsufcientnumberof
personstolifttheheatexchangeroutoftheunit

Table2:Weightofheatexchangerblock

Model

FR0331

FR0643

FR08

FR1171

Weightofheatexchanger
block(kg)

55

5.3.3Checkingthefans

5.3.3.1Checkingthefans

Eveniftherequiredmaintenance,suchaschangeoflters,iscarriedoutdustandgreasemayslowly
buildupinsidethefans(pos.1and2,gure1).Thiswillreducetheefciency.

Thefanscanbedismountedbylooseningthe4screwsonthefancasing(gure5).TopvexFR06–1 1have
afansupportbracketthatneedstoberemovedbyloosening4screws.Thefansmaybecleanedwith
aclothorasoftbrush.Donotusewater.Whitespiritcanbeusedtoremoveaccumulationswhichare
otherwisedifculttoremove.Allowdryingproperlybeforeremounting.

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Fig.5Dismountingthefans

5.3.4Cleaningextractlouvresandinletdiffusers

Thesystemsuppliestreatedoutdoorairtothebuildingandextractstheusedindoorairviatheductsystem
anddiffusers/louvres.Diffusersandlouvresaremountedinceilings/wallsinbedroom,livingroom,wet
rooms,WCetc.Removediffusersandlouvresandwashinhotsoapywaterifrequired.Diffusers/louvres
mustbeputbackwiththeiroriginalsettingsandpositionsinordernottounbalancethesystem.

5.3.5Checkingtheoutdoorairintake

Leavesandpollutioncouldpluguptheairintakegrilleandreducetheunit’scapacity.Checktheairintake
grilleatleasttwiceayearandcleanifnecessary .

5.3.6Checkingtheductsystem

Dustandgreasesettlementsmaybuildupintheductsystemevenifltersarechangedregularly.This
willreducetheefciencyoftheinstallation.Theductsshouldthereforebecleaned/changedwhen
necessary.Steelductscanbecleanedbypullingabrush,soakedinhotsoapywaterthroughtheductvia
diffuser/louvreopeningsorspecialinspectionhatchesintheductsystem(iftted).

5.3.7ChangingtheInternalBattery

Note:

ThisprocedurerequiresknowledgeofproperESDprotection;i.e.anearthedwristbandmustbeused!

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

ThereplacementbatterymustbeofthetypeCR2032.

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SystemairSverigeAB

1

Removethecoverbypressingdownthelocking
torquesattheedgeofthecoverusingasmall
screwdriver,andatthesametimepullingthe
edgesoutwards.

2

Gripthebatteryrmlywithyourngersandliftit
upwardsuntilitrisesfromitsholder.

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

5.4Troubleshooting

Shouldproblemsoccur,pleasecheckorcorrectthefollowingbeforecontactingyourservicerepresentative.
Alwayscheckifthereareanyalarmsactiveinthecontrolpanel.

1.Fan(s)donotstart

•Checkifthereareanyalarmmessages.

•Checkthatthefusesarenotdefect(pos.8gure3).

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

2.Reducedairow

•Checkthesettingsformediumandlowfanspeed.

•Checkthattheoutdoor/exhaustairdamper(ifused)opens.

•Checkifltersneedchanging.

•Checkifdiffusersandlouvresneedcleaning.

•Checkdiffuser/louvreopenings.

•Checkiffansandexchangerblockneedcleaning.

•Checkiftheroofunitorairintakeisclogged.

•Checkductsforvisibledamageand/orbuildupofdust/pollution.

3.Coldsupplyair

•Checkthecontroltemperatureonthecontrolpanel.

•Checkiftheemergencythermostathastripped.Ifnecessarypresstheredbutton,ontheelectrical

heater(pos.9,gure1)withapointedtool.

•Checkiftheextractltermustbechanged.

•Checkifthefanshavestoppedduetooverheating.Ifsothethermalcontactmighthavetripped

(showsasFanalarminthecontrolpanel).

4.Noise/vibrations

•Checkthattheunitiscompletelyleveled.

•Cleanthefanimpellers.

•Checkthatthescrewsholdingthefansaretightenedproperly.

5.4.1Alarms

Thealarmbutton(pos.1,gure4)opensthealarmqueue.Whenpressingthisbuttonactiveand
non-acknowledgedalarmswillbedisplayedinthemenuwindow.Thealarm-LED(pos.2,gure4)is

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129451

30

SystemairSverigeAB

ashingiftherearenon-acknowledgedalarmsandsteadyifthealarmsarestillactivebuthavebeen

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acknowledged.Iftherearemultiplealarms,useUP/DOWNtomovebetweenthem.Analarmcanbe
acknowledgedorblockedbyusingOKandUP/DOWN.T oabortandgobacktostartmenupresscancel
andthenpressLEFT .

Seecommissioningrecordforanoverviewofpossiblealarms.

6Service

Beforecallingyourservicerepresentative,makeanoteofthespecicationandproductionnumberfrom
thetypelabel(gure6)

Fig.6Typelabel

PositionDescription

1Itemnumber

2Productionordernumber

3

4Productiondate

5

Consecutivenumber

Productcode(productspecication)

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31

SystemairSverigeAB

lastpage

SystemairABreservestherighttomakechangesandimprovementstothecontents

ofthismanualwithoutpriornotice.

SystemairSverigeAB

Industrivägen3

SE-73930Skinnskatteberg,Sweden

Phone[phone]

Fax[phone]

www.systemair.com

129451