System air SAVE VTC 300 User manual

SAVEVTC300
HeatRecoveryVentilationUnit
UserManual
©2015CopyrightSystemairAB
SystemairABcanacceptnoresponsibilityforpossibleerrorsincatalogues,brochuresandotherprinted
material.SystemairABreservestherighttoalteritsproductswithoutnotice.Thisalsoappliestoproducts
alreadyonorderprovidedthatsuchalterationscanbemadewithoutsubsequentialchangesbeing
necessaryinspecicationsalreadyagreed.
Allrightsreserved.
Documentinoriginallanguage207233-EN_GB
2015-11-19A004

Contents
1Disposalandrecycling...............................................................................................................1
2Warnings...................................................................................................................................1
3Introduction...............................................................................................................................2
4Conguration.............................................................................................................................3
4.1Controlpanel...................................................................................................................3
4.1.1Displaysymbols......................................................................................................4
4.2Settingthetemperature....................................................................................................4
4.3Manualsettingofairow...................................................................................................5
4.4ProgrammingtheWeekschedule......................................................................................6
4.5Manualandautomaticsummermode................................................................................6
5Maintenance..............................................................................................................................7
5.1Warnings.........................................................................................................................7
5.2ChangingOutdoor/Extractairlters...................................................................................8
5.2.1Resettingtheltertime............................................................................................8
5.3Checkingtheheatexchanger............................................................................................9
5.4Cleaningthefans.............................................................................................................9
5.5RemovingtheInspectiondoor...........................................................................................10
6Ductsystemmaintenance..........................................................................................................12
6.1Cleaningextractlouvresandsupplyairdiffusers................................................................12
6.2Checkingtheoutdoorairintake.........................................................................................12
6.3Checkingtheroofcowl(iftted).........................................................................................12
6.4Checkingandcleaningtheductsystem.............................................................................12
7Troubleshooting........................................................................................................................14
7.1Alarmlist..........................................................................................................................14
7.2Typelabel........................................................................................................................16

1Disposalandrecycling
ThisproductareapplicabletotheWEEEdirective.Whendisposingtheunit,follow
yourlocalrulesandregulations.
Thisproductpackingmaterialsarerecyclableandcanbereused.Donotdisposein
householdwaste.
2Warnings
Thefollowingadmonitionswillbepresentedindifferentsectionsofthedocument:
Danger
•Makesurethatthemainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsandmaintenanceworkmustbecarriedoutbyanauthorizedinstallerand
inaccordancewithlocalrulesandregulations.
Warning
•Thesystemshouldoperatecontinuously,andonlybestoppedformaintenance/service.
•Theinstallationoftheunitandcompleteventilationsystemmustbeperformedbyanauthorized
installerandinaccordancewithlocalrulesandregulations.
•Bewareofsharpedgesduringmountingandmaintenance.Useprotectivegloves.
•AllthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjurydueto
rotatingpartsthathavenotcometoacompletestandstill.
•Makesurethatltersaremountedbeforestartingtheunit.
•Thisproductmustonlybeoperatedbyapersonwhichhassuitableknowledgeoreducationwithin
thiseldorcarriedoutwiththesupervisionofasuitablyqualiedperson.
Caution
•Donotconnecttumbledryerstotheventilationsystem.
•Ductconnections/ductendsmustbecoveredduringstorageandinstallation.
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3Introduction
TheSAVEVTC300isaheatrecoveryventilationunitwithabuiltincounterowplateheatexchanger.
Therearetwomodeloptions,right(R)andleft(L)model(gure1).Thedifferentmodelsarerecognizedby
thecontrolpanelwhichissituatedontherightsideoftheunitinan(R)unitandontheleftsideinan(L)unit.
Thismanualdescribesbasicinformationhowtooperateandperformmaintenanceontheunitandthe
systemitisconnectedto.
Fig.1RightandLeftmodels
Table1:Symboldescription
SymbolDescription
ASupplyair
BExhaustair
COutdoorair
DExtractair
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4Conguration
4.1Controlpanel
Connecttheunitelectricallytothemainswiththeenclosedplugandcheckthatitstartsupcorrectly.
Thecontrolpanelisusedtomakethenecessaryadjustments.
Anexternalcontrolpanelcanbeconnectedonthetopoftheunit.
Theillustrationbelowshowsthecontrolpanelwithashortdescription.
Fig.2Controlpanel
PositionDescriptionExplanation
1DisplayShowssymbols,menusandsettings
2SELECTIONknobMovethroughthemenulistsorchangesettingsand
valuesbyturningtheknobleftorright
3ENTERbuttonENTERmenuchoicesorsettingsbypressingthebutton
4RETURNbuttonStepRETURNinthemenulevelsandtoabortaninitiated
parameterchangeandrestoretheoriginalvalueby
pressingthebutton
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4.1.1Displaysymbols
SymbolDescriptionExplanation
TempIllustratesthecurrentset-pointforsupplyairtemperature
(fromcompletelyemptytolledsymbol).
TurntheSELECTIONknobtochoosetemperature.
PressENTERtosavethesetting.
AirowIllustratesthecurrentairow.Theairowcanbeset
manuallyin5steps:Off,Low,Nom,HighandAuto.
TurntheSELECTIONknobtochooseairow.
PressENTERtosavethesetting.
A.Ventilationoff.1
B.Lowventilation:Canbeusedwhenleavingthe
buildingforalongerperiod
C.Nominalventilation:Willgiverequiredairchange
undernormalconditions.
D.Maximumventilation:Toincreasetheairowif
necessary.
E.Autoventilation:Willregulateafterthepre-settingfor
thedemandcontrolsettings.
ServicePressENTERtoaccesstheservicemenu.
AlarmPressENTERtoaccessthealarmlist.
1.ThefancanbesettoOFFbyactivatingmanualfanstop.Seeservicemenudescriptionunderfunctions.
Important
Itisnotrecommendedtoactivatemanualfanstop(setfantoOFF)instandardhouseholds.Ifmanualfan
stopisactivated,theunitshouldbeprovidedwithdampersinexhaustandfreshairductstoavoidcold
draughtandriskofcondensationwhentheunithasbeenstopped.
4.2Settingthetemperature
Thesupplyairtemperatureissetmanuallyinstepsof1Kinthemainmenudisplaybychoosingthe
temperaturesymbol.
Ifanelectricalre-heaterisinstalledthetemperaturesetpointsare:
12-22°C.Forinstalledwaterre-heaterthesetpointsare:12-40°C.
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Ifthere-heaterisdeactivated,thetemperaturestepsare:
15-19°C.Defaultvalue:15.0°C.
Eachtemperaturestepisillustratedbyincreasingthellingofthetemperaturesymbolandthetemperature
isshowninthedisplay
Anunlledtemperaturesymbolwillactivatemanualsummermode.Seechapter4.5
4.3Manualsettingofairow
Itispossible,atanytime,tomanuallysettheairowinthemainmenudisplay.Bychoosingthefansymbol
andconrming,itispossibletoincreaseordecreasetheairowin5steps:Off,Low,Nom,HighandAuto.
Bydoingso,youoverridetheprogrammedweekschedulefortheunituntiltheendofthepresenttime
periodintheweekprogram(chapter4.4).
Warning
Itisnotrecommendedtoactivatemanualfanstop(setfantoOFF)instandardhouseholds.Ifmanual
fanstopisactivated,theunitshouldbeprovidedwithdampersinexhaustandfreshairductstoavoid
colddraughtandriskofcondensationwhentheunithasbeenstopped.
ThefancanbesettoOFFbyactivatingmanualfanstop.SeetheInstallationandServicemanual,
chapterServicemenuoverview:Manualfanstop.
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4.4ProgrammingtheWeekschedule
Settheweekscheduleaccordingtobelowprocedure:
1.Gototheservicemenubyusingthe
SELECTIONknob.
2.Entertheservicelevelbytypingthepassword,
default1111.UsetheSELECTIONknobforeach
digitandconrmwiththeENTERbuttonaftereach
setdigitandchoose"NO"forthesystemnotbe
locked.
Password
PasswordXXXX
LockedYES/NO
3.Goto:WeekprogramService
Weekprogram
4.ChooseWeekprogramagain.Weekprogram
Airflow
5.Setweekdayandtimeyouwanttheunitto
beinONlevel.Twoperiodsperdaycanbe
programmed.Therestofthetimetheunitwillbein
OFFlevel.
Weekprogram
Day:MON
Per1:07:0016:00
Per2:00:0000:00
6.Gobacktothepreviousdialogueframewiththe
RETURNbuttonandgodowntoAirflow.
Weekprogram
Airflow
7.Setwhichairowthefanissupposedtobe
runningintheONlevel,choosebetweenLow,
Nom,HighorAuto.
Setwhichairowthefanissupposedtoberunning
intheOFFlevel,choosebetweenOFF,Low,Nom
orHigh.
Note:
Ifanelectricalre-heaterbatteryisinstalledand
activeandtheunitisshutdownfromthecontrol
panel,forexamplebychoosingOFF .Whenthe
unitisinOFFlevelintheweekprogram,thefans
willcontinuetorunfor3minutes,topreventthe
heaterfromtriggeringtheoverheatprotection
sensor,beforetheystop.
Airflow
Onlevel:low/nom/high/auto
Offlevel:off/low/nom/high
8.StepbackwiththeRETURNbuttonuntilyou
reachthemainmenudisplay
4.5Manualandautomaticsummermode
Manualsummermodeoccursifnotemperaturestepisselected.Thetemperaturesymbolonthemain
menuisthencompletelyempty.
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Iftheelectricalre-heaterisactivated,itwillswitchoffduringmanualsummermode.Manualsummer
modegoesautomaticallytostep1(setpoint12°C)aftertwominutesifthesupplyairtemperatureis
+5°Corbelow.
Ifawaterheaterbatteryisinstalledandactivated,themanualsummermodegoesautomaticallytostep1
(setpoint12°C)iftheoutdoorairorsupplyairtemperatureis+5°Corbelow.
Theunitwillautomaticallyalternatebetweenwinteroperationwithheatrecoveryandsummeroperation
withoutheatrecovery.
5Maintenance
MaintenanceoftheSAVEVTC300shouldnormallybeperformed3-4timesayear.Apartfromgeneral
cleaningthefollowingshouldbeobserved:
5.1Warnings
Danger
•Makesurethatthemainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsandmaintenanceworkmustbecarriedoutbyanauthorizedinstallerand
inaccordancewithlocalrulesandregulations.
Warning
•Thesystemshouldoperatecontinuously,andonlybestoppedformaintenance/service
•Althoughthemainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill
•Bewareofsharpedgesduringmaintenance.Useprotectivegloves
•Makesurethatltersaremountedintheirplacebeforerunningthesystem
•Thisproductmustonlybeoperatedbyapersonwhichhassuitableknowledgeoreducationwithin
thiseldorcarriedoutwiththesupervisionofasuitablyqualiedperson.
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5.2ChangingOutdoor/Extractairlters
Thelterscannotbecleanedandmustbechangedasnecessary.Thisisnormallydone1–2timesper
yeardependingontheairpollutionattheinstallationsite.
Whenit’stimetochangetheltersanalarmisshowninthecontrolpaneldisplay.Whenthisoccurs
dothefollowing:
1.Changeltersasshowninbelowillustration(gure3).
2.Resettheltertimeasdescribedbelow(chapter5.2.1).Dependingontheconditionofthelter,you
mightneedtochangetheoperationtimeforthelter.
Fig.3Changingoflters
5.2.1Resettingtheltertime
1.Gototheservicemenubyusingtheselection
knob.
2.Entertheservicelevelbytypingthepassword.
UsetheSELECTIONknobforeachdigitand
conrmwiththeENTERbuttonaftereachsetdigit
andchoose"NO"forthesystemnotbelocked.
Service
—>Password
LockedYES/NO
3.Goto:Filterperiod,pressENTER.
Choose:Reset:YESwiththeSELECTION
knobandthenENTER.
Change,ifnecessary,Timetoreplace
Xmonth,tothetimeofyourchoicewiththe
SELECTIONknobandthenpressENTER.
PresstheRETURNbuttonuntilyoureachthemain
menu.
Filterperiod
Timetoreplace:6/9/12/15month
ResetNO/YES
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