System air SAVE VTC 300 User manual

SAVEVTC300

HeatRecoveryVentilationUnit

UserManual

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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2072331SystemairSverigeAB

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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2072332SystemairSverigeAB

4Conguration

4.1Controlpanel

Connecttheunitelectricallytothemainswiththeenclosedplugandcheckthatitstartsupcorrectly.

Thecontrolpanelisusedtomakethenecessaryadjustments.

Anexternalcontrolpanelcanbeconnectedonthetopoftheunit.

Theillustrationbelowshowsthecontrolpanelwithashortdescription.

Fig.2Controlpanel

PositionDescriptionExplanation

1DisplayShowssymbols,menusandsettings

2SELECTIONknobMovethroughthemenulistsorchangesettingsand

valuesbyturningtheknobleftorright

3ENTERbuttonENTERmenuchoicesorsettingsbypressingthebutton

4RETURNbuttonStepRETURNinthemenulevelsandtoabortaninitiated

parameterchangeandrestoretheoriginalvalueby

pressingthebutton

SAVEVTC300UserManual

2072333SystemairSverigeAB

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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2072334SystemairSverigeAB

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.

SAVEVTC300UserManual

2072335SystemairSverigeAB

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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2072336SystemairSverigeAB

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.

SAVEVTC300UserManual

2072337SystemairSverigeAB

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

SAVEVTC300UserManual

2072338SystemairSverigeAB

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