System air SAVE VTR 300/B User manual

SAVEVTR300/B
UserManual
©2016CopyrightSystemairAB
SystemairABcanacceptnoresponsibilityforpossibleerrorsincatalogues,brochuresandotherprinted
material.SystemairABreservestherighttoalteritsproductswithoutnotice.Thisalsoappliestoproducts
alreadyonorderprovidedthatsuchalterationscanbemadewithoutsubsequentialchangesbeing
necessaryinspecicationsalreadyagreed.
Allrightsreserved.
Documentinoriginallanguage208349-EN_GB
2016-04-13A004

Contents
1Disposalandrecycling...............................................................................................................1
2Warnings...................................................................................................................................1
3Productdescription....................................................................................................................1
3.1LeftandRightmodels.......................................................................................................2
4Conguration.............................................................................................................................2
4.1Controlpanel...................................................................................................................2
4.1.1Displaysymbols......................................................................................................3
4.2Settingthetemperature....................................................................................................3
4.3Manualsettingofairow...................................................................................................4
4.4ProgrammingtheWeekschedule......................................................................................4
4.5Manualandautomaticsummermode................................................................................5
5Maintenanceoftheunit..............................................................................................................5
5.1Warnings.........................................................................................................................6
5.2Openthefronthatch.........................................................................................................6
5.3Changinglters................................................................................................................6
5.4Resettingtheltertime.....................................................................................................7
5.5Checkingandcleaningtheheatexchanger........................................................................7
5.6Cleaningthefans.............................................................................................................9
5.7Replacingrotordrivebelt..................................................................................................10
5.7.1Heatexchangermounted........................................................................................10
5.7.2Heatexchangerremoved........................................................................................11
5.8Overheatprotectionresetbutton.......................................................................................11
6Ductsystemmaintenance..........................................................................................................12
6.1Cleaningextractlouvresandsupplyairdiffusers................................................................12
6.2Checkingtheoutdoorairintake.........................................................................................12
6.3Checkingtheroofcowl(iftted).........................................................................................13
6.4Checkingandcleaningtheductsystem.............................................................................13
7Troubleshooting........................................................................................................................13
7.1Alarmlist..........................................................................................................................13
7.2Typelabel........................................................................................................................14

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.
3Productdescription
TheSAVEVTR300/Bisaheatrecoveryventilationunitwithabuiltinrotatingheatexchanger.TheSAVE
VTR300/Bissuitableforhouseswithupto240m2heatedlivingarea.Itsupplieslteredoutdoorairto
residentialareasandextractairfrombathroom,kitchenandwetrooms.
SAVEVTR300/Bisequippedwitha1670Welectricalre-heaterbattery.
SAVEVTR300/BUserManual
2083491SystemairSverigeAB

3.1LeftandRightmodels
Therearetwomodeloptions,right(R)andleft(L)model.Thedifferentmodelsarerecognizedbythe
placingoftheinternalcomponentsandthesupplyairoutlet,whichissituatedonleftsideoftheunitonan
(L)unitandontherighthandsideonan(R)unit..
Note:
Thisdocumentdescribesaleft(L)model.Theinsideofaright(R)modelismirrored.
4Conguration
4.1Controlpanel
Connecttheunitelectricallytothemainswiththeenclosedplugandcheckthatitstartsupcorrectly.
Thecontrolpanelisusedtomakethenecessaryadjustments.
Anexternalcontrolpanelcanbeconnectedonthetopoftheunit.
Theillustrationbelowshowsthecontrolpanelwithashortdescription.
Fig.1Controlpanel
PositionDescriptionExplanation
1DisplayShowssymbols,menusandsettings
2SELECTIONknobMovethroughthemenulistsorchangesettingsand
valuesbyturningtheknobleftorright
3ENTERbuttonENTERmenuchoicesorsettingsbypressingthebutton
4RETURNbuttonStepRETURNinthemenulevelsandtoabortaninitiated
parameterchangeandrestoretheoriginalvalueby
pressingthebutton
SAVEVTR300/BUserManual
2083492SystemairSverigeAB

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:T oincreasetheair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.
SAVEVTR300/BUserManual
2083493SystemairSverigeAB

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.
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
SAVEVTR300/BUserManual
2083494SystemairSverigeAB

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.
Iftheelectricalre-heaterisactivated,itwillswitchoffduringmanualsummermode.Manualsummer
modegoesautomaticallytostep1(setpoint12°C)aftertwominutesifthesupplyairtemperatureis
+5°Corbelow.
Ifawaterheaterbatteryisinstalledandactivated,themanualsummermodegoesautomaticallytostep1
(setpoint12°C)iftheoutdoorairorsupplyairtemperatureis+5°Corbelow.
Theunitwillautomaticallyalternatebetweenwinteroperationwithheatrecoveryandsummeroperation
withoutheatrecovery.
5Maintenanceoftheunit
MaintenanceoftheSAVEVTR300/Bshouldnormallybeperformed3-4timesayear.
SAVEVTR300/BUserManual
2083495SystemairSverigeAB

5.1Warnings
Danger
•Makesurethatthemainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsandmaintenanceworkmustbecarriedoutbyanauthorizedinstallerand
inaccordancewithlocalrulesandregulations.
Warning
•Thesystemshouldoperatecontinuously,andonlybestoppedformaintenance/service
•Althoughthemainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill
•Bewareofsharpedgesduringmaintenance.Useprotectivegloves
•Makesurethatltersaremountedintheirplacebeforerunningthesystem
•Thisproductmustonlybeoperatedbyapersonwhichhassuitableknowledgeoreducationwithin
thiseldorcarriedoutwiththesupervisionofasuitablyqualiedperson.
5.2Openthefronthatch
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Openthehatchwiththetwolatchesandswingthehatchopen.
5.3Changinglters
Danger
MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Theltersaretobechangedevery6/9/12/15months,defaultvalueis12months.Whentheltershave
beenchangedtheltertimermustbereset.Seechapter5.4.
ThefactoryinstalledltersareoflterqualityF7forthesupplyairandG3fortheextractairlter.Thelters
needtobereplacedwhenpolluted.Newsetsoflterscanbeacquiredfromyourinstallerorwholesaler.
FilterqualityG3canbeinstalledforsupplyairltering.
Theltertypeislabelledonthetopofthelter.
Caution
Iftheltertypesarechanged,theheatrecoverysystemmayneedre-congurationtofunctionoptimally.
IftypeG3ltersareusedinsteadofF7,thesystemcurveforSupplyFan(SF)mustbechanged:
ForG3typelter:11–20,forF7typelter:1–10.SeeInstallationandServiceInstruction.
SAVEVTR300/BUserManual
2083496SystemairSverigeAB

1.Stoptheunitbydisconnectingthemains.
2.Openthefronthatch.Seechapter5.2.
3.Pulloutthelterstowardsyou.Someforcemaybeneeded.
4.Insertthenewlters.Makesurethatthecorrectltertypesareinserted.
5.Closeandlockthefronthatchandconnecttheunittomains.
6.Resettheltertime.Seechapter5.4.
5.4Resettingthe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
5.5Checkingandcleaningtheheatexchanger
Danger
MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
SAVEVTR300/BUserManual
2083497SystemairSverigeAB

Warning
Riskofpersonalinjury!Theheatexchangerweighsabout14kg.Thereisariskthattheheatexchanger
fallsoutoftheunit.
Makesurethatsmallchildrenarenotbeneaththeunitwhentheheatexchangerisremoved!
Fig.2Heatexchanger
Eveniftherequiredmaintenanceiscarriedout,dustwillbuildupintheexchangerblock.Itisthereforeof
vitalimportancefortheupkeepofahighefciencythattheexchangerblockisremovedfromtheunitand
cleanedperiodicallyasdescribedbelow.Cleantheheatexchangeratleastevery3yearsorwhenrequired.
1.Stoptheunitbydisconnectingthemains.
2.Openthefronthatch.Seechapter5.2.
3.Disconnecttheheatexchangerpowersupplyandtherotorsensor.Bothcablesarefoundbesidethe
heatexchanger.
4.
Warning
Riskofpersonalinjury!Theheatexchangerweighsabout14kg.Thereisariskthattheheat
exchangerfallsoutoftheunit.
Pullouttheheatexchangertowardsyou.Someforcemaybeneeded.
5.Cleantherotor.
Washinhotsoapywater.Donotusedetergentcontainingammonia.Rinseusing,forinstance,a
showerhandleorcarefullywithcompressedair.
Warning
Ensuretherotormotorisnotexposedtomoisture
6.Remounttheheatexchanger.Don’tforgettoreconnecttheheatexchangerpowerandsensorcables.
7.Closeandlockthefronthatchandconnecttheunittomains.
SAVEVTR300/BUserManual
2083498SystemairSverigeAB

5.6Cleaningthefans
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Fig.3Extractandsupplyairfans
Themotorbearingsarelifetimelubricatedandmaintenancefree.
Eveniftherequiredmaintenance,suchaschangingofltersiscarriedout,dustandgreasemayslowly
buildupinsidethefans.Thiswillreducetheefciency.
Thefansmaybecleanedasdescribedbelow.
1.Stoptheunitbydisconnectingthemains.
2.Openthefronthatch.Seechapter5.2.
3.Disconnectthefanpowercables.Thecablesarefoundbesidethefans.
4.Pullthefanstowardsyou.Someforcemaybeneeded.
5.Cleanthefanswithaclothorasoftbrush.Donotusewater.Whitespiritcanbeusedtoremove
obstinatedeposits.
Allowthefanstodryproperlybeforeremounting.
6.Remountthefans.Don’tforgettoreconnectthefanpowercables.
7.Closethefronthatchandconnecttheunittomains.
SAVEVTR300/BUserManual
2083499SystemairSverigeAB

5.7Replacingrotordrivebelt
Note:
Dependingonmodel,leftorright,itmaybenecessarytoremovetheheatexchangerinordertoreplacea
brokendrivebeltsincethebeltpulleycannotbeaccessed.
Iftherotormotorisplacedatthebackoftheunit,itisrecommendedtoremovetheheatexchangerto
changethedrivebelt,seechapter5.7.2.
IfthealarmRotorisraised,seechapter7.1,therotordrivebeltmaybedamagedorbroken.
Thereplacementdrivebelt(1)isadjustableanddeliveredwithanippleattachedinoneend.
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Warning
Riskofpersonalinjury!Theheatexchangerweighsabout14kg.Thereisariskthattheheatexchanger
fallsoutoftheunit.
Makesurethatsmallchildrenarenotbeneaththeunitwhentheheatexchangerisremoved!
Fig.4Rotordrivebelt
5.7.1Heatexchangermounted
1.Stoptheunitbydisconnectingthemains.
2.Openthefronthatch.
3.Removethebrokendrivebelt.
4.Usetapetoattachthedrivebelttotherotatingheatexchanger,androtatetheexchangerbyhand
togetholdofthedrivebelt.
5.Removethetapeandputthe”empty”endontothenipple.
6.Pressthedrive-beltendsrmlytowardseachothertosecurethenipple.
7.Pullthedrivebeltontothebeltpulleyandrotatetheexchangerbyhand.Checkthatthebeltpulley
rotates.
SAVEVTR300/BUserManual
20834910SystemairSverigeAB

Note:
Ifthedrivebeltslips,thedrivebeltmaybetoolongandneedstobeshortened.Cutthedrivebelt5
mmandgotostep6.
8.Closeandlockthefronthatchandconnecttheunittomains.
9.CheckthatthealarmhasceasedontheControlDisplay.
Note:
Ifthealarmremains,checktherotorsensor.
5.7.2Heatexchangerremoved
1.Stoptheunitbydisconnectingthemains.
2.Openthefronthatch.
3.Disconnecttheheatexchangerpowersupplyandtherotorsensor.Thecablesarefoundbesidethe
heatexchangerattheback.
4.Pullouttheheatexchangertowardsyou.Someforcemaybeneeded.
5.Removethebrokendrivebelt.
6.Applythenewdrivebeltaroundtheheatexchanger.
7.Pressthedrive-beltendsrmlytowardseachothertosecurethenipple.
8.Pullthedrivebeltontothebeltpulleyandrotatetheexchangerbyhand.Checkthatthebeltpulley
rotates.
Note:
Ifthedrivebeltslips,thedrivebeltmaybetoolongandneedstobeshortened.Cutthedrivebelt5
mmandgotostep7.
9.Mounttheheatexchanger.Don’tforgettoreconnecttherotorpowerandsensorcables.
10.Closethefronthatchandconnecttheunittomains.
11.CheckthatthealarmhasceasedontheControlDisplay.
Note:
Ifthealarmremains,checktherotorsensor.
5.8Overheatprotectionresetbutton
Ifthesupplyairtemperatureislow,itcanindicatethattheoverheatprotectionistriggered.Theoverheat
protectioncanberesetbypressingtheresetbutton(1).
SAVEVTR300/BUserManual
20834911SystemairSverigeAB

Fig.5Overheatprotectionresetbutton
6Ductsystemmaintenance
6.1Cleaningextractlouvresandsupplyairdiffusers
Thesystemsuppliesfreshairtoyourhomeandextractstheusedindoorairviatheductsystemand
diffusers/louvres.Diffusersandlouvresaremountedinceilings/wallsinbedrooms,livingroom,wetrooms,
WCetc.Removediffusersandlouvresandwashinhotsoapywaterasrequired(diffusers/louvresmust
notbeexchanged).Cleaningofdiffusers/louvrescanbedoneasnecessary.
Fig.6Diffusersandlouvres
6.2Checkingtheoutdoorairintake
Leavesandpollutioncouldpluguptheairintakegrilleandreducethecapacity.Checktheairintakegrille,
andcleanasnecessary.Itisrecommendedtodothisatleasttwiceayear.
Fig.7Intakegrill
SAVEVTR300/BUserManual
20834912SystemairSverigeAB

6.3Checkingtheroofcowl(iftted)
Theroofcowl(iftted)connectedtotheexhaustairductneedstobecheckedatleasttwiceayearand
cleanedifnecessary.
6.4Checkingandcleaningtheductsystem
Dustandgreasedepositsmaybuildupintheductsystem,evenifrequiredmaintenancesuchaschanging
ofltersisbeingcarriedout.Thiswillreducetheefciencyoftheinstallation.
Theductrunsshouldthereforebecleaned/changedwhennecessary.Steelductscanbecleaned
bypullingabrushsoakedinhotsoapywaterthroughtheductviadiffuser/louvreopeningsorspecial
inspectionhatchesintheductsystem(iftted).
Itisrecommendedtodothisevery5yearsandisnormallycarriedoutbyauthorizedcompanies
specializedinthisarea.
Fig.8Cleaningductsystem
7Troubleshooting
Awarningtrianglewithtextinthedisplayindicatesanalarm.Turnmenuselectortothewarningtriangle
andpressconrmtwicetoviewthealarm.
Danger
Makesurethatthemainssupplytotheunitisdisconnectedbeforeperforminganymaintenance
orelectricalworkontheunit!
7.1Alarmlist
AlarmExplanationDothefollowing
FanIndicateserroroneithersupplyor
extractairfan.
Thealarmisdisplayedinthecontrolpanel.
Checkthatquickconnectorsareconnectedforthe
bothfans.
Contactyourinstallationcompanyorplaceof
purchase.
EMT/Fr-
ost
Indicatestriggeredfrostprotection
(incaseofinstalledwaterheating
battery)ortriggeredoverheat
Atriggeredfrostprotectionalarmresultsinthe
following:
•Bothfansstop.
•Outdoorandexhaustairdampersclosed.
SAVEVTR300/BUserManual
20834913SystemairSverigeAB

AlarmExplanationDothefollowing
protection(incaseofinstalled
electricre-heaterbattery).•Watervalveopenscompletely(10Vsignalgoes
outtotheactuator).
Theunitwillrestartoncethewatertemperature
reaches+5°Cabovethesetfrostprotection
temperature.
Atriggeredoverheatprotection(EMT)givesanalarm
inthecontrolpanel.
Resetbypushingtheresetbutton.Seechapter5.8.
Iftheproblemcontinuescontactyourinstallation
companyorplaceofpurchase.
RotIndicatesarotormalfunction.Thealarmisdisplayedinthecontrolpanel.
•Iftherotatingheatexchangerhasstopped.Check
therotorbelt.Seechapter5.7
•Iftheheatexchangerisstillrotating,checkthatthe
quickconnectorforthesensorisconnectedand
thatthereisanairgapof5-10mmbetweenthe
sensorandthemagnet.
Adjustthegapifnecessary.
Ifthealarmpersists,therotorsensormaybefaulty.
Contactyourinstallationcompanyorplaceof
purchase.
PbFailErrorinconnectionwithrelay
cardfortheelectricalre-heater(if
installedandactivated).
Theoverheatprotectionsensor,
automaticreset(ET2)maybe
triggeredduetohightemperature.
Thealarmisdisplayedinthecontrolpanel.
Theheaterwillnotbeactivated.
FortriggeredET2,wait10–15min.Iftheerror
remains,contactyourinstallationcompanyorplace
ofpurchase.
TempMalfunctioninoneormoreofthe
temperaturesensors.
Thealarmisdisplayedinthecontrolpanel.
Contactyourinstallationcompanyorplaceof
purchase.
FilterTimeforlterchange.Thealarmisdisplayedinthecontrolpanel.
ChangelteraccordingtotheinstructionsintheUser
Manual.
LowSSIndicateslowsupplyair
temperature
Thealarmisdisplayedinthecontrolpanel.
Ifwaterreheaterisconguredandfrostprotection
havefailed,thenanextrasecurityfunctionistriggered
whensupplyairtemperatureislowerthan5°Cand
outdoorairtemperatureisbelow0°C.
RHIndicatesmalfunctionofinternal
relativehumiditysensor.
Thealarmisdisplayedinthecontrolpanel.
7.2Typelabel
Beforecallingyourservicerepresentative,makeanoteofthespecicationandproductionnumberfrom
thetypelabel,whichcanbefoundonthesideoftheunits,nexttotheexternalconnections.
SAVEVTR300/BUserManual
20834914SystemairSverigeAB

Fig.9Typelabel
PositionDescription
1Productcode(productspecication)
2Productitemnumber
3Productionordernumber
4Serialnumber
5Productiondate(YY .MM.DD)
SAVEVTR300/BUserManual
20834915SystemairSverigeAB

lastpage
SystemairSverigeABreservestherighttomakechangesandimprovementstothe
contentsofthismanualwithoutpriornotice.
SystemairUAB
Linųst.101
LT–20174Ukmergė,LITHUANIA
Phone[phone]
Fax[phone]
www.systemair.com