System air Living HR Troubleshooting guide

LivingHR
Extractairunitwithintegratedheat
recovery
OperationandMaintenanceInstructions
Documentinoriginallanguage209534-EN_GB
2015-03-18A001

Contents
1Warnings...................................................................................................................................1
2Productdescription....................................................................................................................2
2.1Descriptionofinternalcomponents....................................................................................2
2.2Descriptionofexternalcomponents...................................................................................3
3Functiondescription...................................................................................................................4
3.1Unitdiagram....................................................................................................................4
3.2Generaldescription..........................................................................................................5
3.2.1Summer/Wintermodes............................................................................................5
3.2.2Firefunction...........................................................................................................5
3.3Componentsandfunction.................................................................................................5
3.3.1Brinecoil................................................................................................................5
3.3.2Filters.....................................................................................................................5
3.3.3Damper..................................................................................................................6
3.3.4Driptray.................................................................................................................6
4Unitcontrol................................................................................................................................6
4.1Controlpanel...................................................................................................................6
4.2Operator’slevel—navigatingthemenus...........................................................................8
4.2.1Runningmode........................................................................................................8
4.2.2Languageselection.................................................................................................9
4.2.3Alarm.....................................................................................................................10
4.2.4Aircontrol—Pressurecontrol.................................................................................10
4.2.5Timesettings..........................................................................................................11
4.2.6Restorefactorysettings...........................................................................................12
5Maintenance..............................................................................................................................14
5.1Important.........................................................................................................................14
5.2Maintenanceintervals.......................................................................................................14
5.3Maintenanceinstructions..................................................................................................14
5.3.1Checkingthefan.....................................................................................................14
5.3.2Changingextractairlter.........................................................................................15
5.3.3Checkingthebrinecoil............................................................................................16
5.3.4Checkingthedamper..............................................................................................16
5.3.5Additionalmaintenance...........................................................................................16
6Disposalandrecycling...............................................................................................................18
6.1Disposaloftheairhandlingunit.........................................................................................18
6.2Disposalofelectricalandelectronicequipment...................................................................18
7Troubleshooting.........................................................................................................................19
8Additionalinformationonpersonnelsafetyandprotectivemeasures.............................................19
9Service......................................................................................................................................20

1Warnings
Thefollowingadmonitionswillbepresentedinthedifferentsectionsofthedocument.
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.
Warning
•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.
•Bewareofsharpedgesduringmountingandmaintenance.Useprotectiveclothing.
•Thisproductisnotintendedtobeusedbychildrenorpeoplewithreducedphysicalormentalability
orlackofexperienceandknowledge,ifnoinstructionconcerningtheusehasbeengivenbythe
personresponsiblefortheirsafetyorthatthispersonissupervisingtheoperation.Childrenshouldbe
supervisedsothattheycannotplaywiththeproduct.
LivingHROperationandMaintenanceInstructions
2095341SystemairAB

2Productdescription
2.1Descriptionofinternalcomponents
Fig.1Basicinternalcomponents
Table1:Componentpositionanddescription
PositionDescription
1.Pre-lters
2Filters,extractair
3.Fanmotorwithimpeller,extractair
4.Electricalconnectionbox
5.Brinecoil
6.Driptray
LivingHROperationandMaintenanceInstructions
2095342SystemairAB

2.2Descriptionofexternalcomponents
Fig.2Basicexternalcomponents
Table2:Componentpositionanddescription
PositionDescription
1.ExtractairdamperA
2ExhaustairdamperC
3.Smoke/refan
4.Smoke/redamperB
DUPdTDuctdifferentialairpressuretransmitter
SFDTSmokeandresensor
LivingHROperationandMaintenanceInstructions
2095343SystemairAB

3Functiondescription
3.1Unitdiagram
Fig.3Unitdiagram
Table3:Componentpositionanddescription
PositionDescription
1.ExhaustairdamperC
2.Brinecoil
3.Fan
4.Filters
5.ExtractairdamperA
6.Fire/smokedamperB
7.Fire/smokefan
8.Heattransferagentpump
9.Waterpump
ATT1Extractairtemperaturesensor
ATT2Exhaustairtemperaturesensor
DUPdTDuctdifferentialairpressuretransmitter
LivingHROperationandMaintenanceInstructions
2095344SystemairAB

Componentpositionanddescriptioncont'd
PositionDescription
FIPdTFilterairpressuresensor
ABHSApartmentbuildingheatingsystem
3.2Generaldescription
TheLivingHRisextractairventilationunitforapartmentbuildingsthathaveintegratedheatingsystemwith
theheatpump.TheLivingHRunitshouldbeintegratedintoextractairventilationsystemofthebuilding
andthebrinecoil,whichisusedforheatrecovery,shouldbeconnectedtotheheatpumpcoolingside.
TheLivingHRisalsodesignedtocontrolre/smokefanduringnormaloperation.
Thestopsandstartsoftheunitarebasedonsignalsfromtheheatpumpinapartmentbuilding.
TheLivingHRunitcanworkintwomodes:summerandwinter.
3.2.1Summer/Wintermodes
Summermode:whenrequirementsaremettostoptheheatpumpinapartmentbuilding,asignalissentto
deactivatetheLivingHRunit.DampersAandCareclosed.Anothersignalissenttoopenre/smoke
damperBandtostartre/smokefaninorderforwasteairfromtheresidencetobeventedoutside.
Insummermodeheatrecoveryisnotpossible.
Wintermode:whenrequirementsaremettostarttheheatpumpinapartmentbuilding,asignalissentto
stopre/smokefan,re/smokedamperBwillbeclosed.AnothersignalissenttoactivatetheLivingHR
unit.DampersAandCareopen,airtravelsthroughtheunit.Theheatrecoveryisfullyoperational.
3.2.2Firefunction
Firefunctionisactivatedbysmokeandresensor.Thesensormustbemountedintheductbefore
re/smokedamperB.FirefunctionisusedtoprotecttheLivingHRunitfromsmokeandheatincaseof
reemergency.Ifsmokeisdetectedinwintermodetheunitisstopped,dampersAandCareclosed.
SignalissenttoopensmokefandamperBandtostartsmokefanatfullcapacityimmediatelyinorder
toextractsmokefromtheresidence.
Inthesummermodeifre/smokealarmisactivated,there/smokefanfromregulationmodewillbe
immediatelyswitchedtofullcapacity.Innormalconditionsthespeedofre/smokefaniscontrolledbythe
unitbasedondifferentialpressureinextractairduct.
3.3Componentsandfunction
3.3.1Brinecoil
Thebrinecoilismadeofcoppertubeswithaluminiumnsandisusedtoabsorbheatfromextractair.The
brinecoilislledwithethyleneglycolwhichisusedasamediumforheattransfer.
3.3.2Filters
LivingHRcomeswiththepairofclassltersandG4pre-ltersinstalledinthefactory.Filtersareused
tolterextractedairfromtheresidenceinordertopreventdustgatheringoncomponentsinsideofthe
unit.Filtersneedtobereplacedwhenpolluted.Newsetsoflterscanbeacquiredfromyourinstallerora
wholesaler.Optionally,lterqualityF7canbeinstalledforextractairltering.
Theltertypeislabelledonthetopofthelter.
LivingHROperationandMaintenanceInstructions
2095345SystemairAB

3.3.3Damper
Thefunctionofthedamperistodirecttheairow.Whentheunitisoff,extractdamperAandexhaust
damperCareclosedandtheFire/SmokedamperBisopentomakeairowdirectlytotheoutside.When
theunitisoperating,extractandexhaustdampersareopenandtheFire/Smokedamperisclosedtomake
airowthroughtheunit.Formoreinformationseechapter.
3.3.4Driptray
Thedriptrayislocatedundertheevaporator/brinecoilandcollectsthewatercondensethatperiodically
occurduringthecoolingoperation.Thedriptrayismadeofstainlesssteelandhasa32mmconnection
forconnectingthedrainpipe.Thedriptrayhasanelectricalheatertopreventthewatercondensefrom
freezing.
4Unitcontrol
4.1Controlpanel
TheSCPcontrolpanelisdeliveredwitha10mcablethatisconnectedtothepanelandwithafast
couplingcontact,connectedtotheLivingHRunit.ThecontactisconnectedtotheCorrigocontrollerin
theelectricalconnectionbox.Thecablecanbeunscrewedinthebackofthecontrolpanel(gure4).
Fig.4Thecontrolpanel
LivingHROperationandMaintenanceInstructions
2095346SystemairAB

Handterminal–SystemairControlPanelLED'sandbuttons
UP:
Movetoahighermenuline(Increase
valueoftheparameter)
ALARM:Pressforalarmlist
DOWN:
Movetoalowermenuline(Decrease
valueoftheparameter)
CLEAR:Abortaparametersetting
andrestoretheoriginalvalue,if
”OK/ENTER”notyethasbeenpressed.
RIGHT:
Moverighttoalowermenulevel(Move
thecursertotherightintheparameter)
ALARMLED:Redlightisashingfor
unacknowledgedalarm.Permanentred
lightforacknowledgedalarm,butthe
alarmisstillactive,becausethereason
isnotyeteliminated.
LEFT:
Movelefttoahighermenulevel.(Move
thecursertotheleftintheparameter)
OK/ENTER:Open/activateaselected
menu/setting
(Conrmaparametervalue)
"WRITEENABLE"LED:Yellowlight–
slowashingindicatesthataparameter
canbeselectedforchanges,whenthe
OK/ENTERbuttonispressed.Yellow
light–fastashingindicatesthatthe
parameterisactivatedforchanges.
Permanentyellowlightindicatesthat
thechangesaregoingon.
LivingHROperationandMaintenanceInstructions
2095347SystemairAB

4.2Operator’slevel—navigatingthemenus
BelowmenuoverviewshowsOperatorleveltreestructure.
Thestartdisplay(thedisplaynormallyshown)isattherootofthemenutree.PressingDOWNwillmove
youthroughthemenuoptions.UPwillmoveyoubackthroughtheoptions.T oenterahighermenulevel,
useUPorDOWNtoplacethecursoratthemenuyouwishtoaccessandpressRIGHT .Ifyouhave
sufcientlogonprivilegesthedisplaywillchangetothemenuyouhavechosen.
AteachleveltheremaybeseveralnewmenuswhichyoumovethroughusingUP/DOWN.Sometimes
therearefurthersubmenuslinkedtoamenuormenuitem.Thisisindicatedbyanarrowsymbolatthe
right-handsideofthedisplay.T oenteramenu,pressRIGHTagain.T ostepbacktopreviousmenu
level,useLEFT .
4.2.1Runningmode
Followthestepsbellowtochangerunningmodeoftheunit.
PressbuttonExplanationThedisplayshows
x1
ThedisplayislitupLivingHR
Date,time
Syst:Runningmode(Auto,
Manualreduced,Man.norm.,
Off)
x1
Runningmode
LivingHROperationandMaintenanceInstructions
2095348SystemairAB

PressbuttonExplanationThedisplayshows
x2
ActualrunningmodeRunningmode
Auto
Manualreducedrun
Manualnormalrun
PressOKanduseUPandDOWNkeysto
selectAuto,ManualNormal,ManualReduced
orOff
ConrmselectedvaluewithOK.Thesystem
willautomaticallyreturntothestartmenuafter
someminutes
Toreturntothestartmenuatonce–press
LEFTandUPseveraltimes
4.2.2Languageselection
Followthestepsbellowtochangelanguage.
PressbuttonExplanationThedisplayshows
x1
ThedisplayislitupLivingHR
Date,time
Syst:Runningmode(Auto,
Manualreduced,Man.norm.,
Off)
x3
LanguageselectionChooselanguage
Languagetobechangedashes
UseUPandDOWNkeystoselectlanguage
fromthelist
ConrmchangeofthelanguagewithOK.
Toreturntothestartmenuatonce–press
LEFTandUPseveraltimes
LivingHROperationandMaintenanceInstructions
2095349SystemairAB

4.2.3Alarm
Followthestepsbellowtocancelandacknowledgealarms.
PressbuttonExplanationThedisplayshows
x2
Pressthealarmbuttontwicetoseethealarms
loggedinthealarmlist
Example:
Lowfrostguardtemp
Date,time,Class:A
PressOKExample:
Lowfrostguardtemp
Acknowledge
Block
ConrmwithOK.ClassAalarmisalways
triggeredbythesystem,whenthereasonfor
alarmishazardous,anditisonlypossibleto
restarttheunit,whenthereasonforthealarm
hasbeensolved.TheClassAalarmcanbe
triggeredbytherethermostatswhenthe
temperaturerisesabovethesetpointvalues,
indicatingriskofre.
Example:
Lowfrostguardtemp
Date,time,Class:A
Whenthereasonforthealarmhasbeen
solved,pressingtheOKbuttonwillactivatethe
menu-Conrm-andtheunitstarts.Thealarm
indicationdisappearsfromthedisplay.
ConrmselectedvaluewithOK.Thesystem
willautomaticallyreturntothestartmenuafter
someminutes
Toreturntothestartmenuatonce–press
LEFTandUPseveraltimes
4.2.4Aircontrol—Pressurecontrol
Followthestepsbellowtochangeairpressurecontrolvalues.
PressbuttonExplanationThedisplayshows
x1
ThedisplayislitupLivingHR
Date,time
Syst:Runningmode(Auto,
Manualreduced,Man.norm.,
Off)
x3
Aircontrol
x1
PressurecontrolPressurecontrol
SAF(SAF=supplyairfan)
EAF(EAF=extractairfan)
LivingHROperationandMaintenanceInstructions
20953410SystemairAB

PressbuttonExplanationThedisplayshows
UseUPandDOWNkeystoselectexhaustair
fan(EAF).
x2
Extractairfanselected.PressurecontrolEAF
Setp.1/1:xxxPa
Setp.1/2:yyyPa
Valuetobechangedashes.Changeofset
pointfornormalow(1/1)andforreducedow
(1/2).Accesscode1111maybenecessary.
Setp.1/1:xxxPa
Setp.1/2:yyyPa
ConrmchangeofthesetpointvaluewithOK.
Valuetochangeisashing.
Toreturntothestartmenuatonce–press
LEFTandUPseveraltimes
4.2.5Timesettings
Followthestepsbellowtochangetime,dateandweekday.
PressbuttonExplanationThedisplayshows
x1
ThedisplayislitupLivingHR
Date,time
Syst:Runningmode(Auto,
Manualreduced,Man.norm.,
Off)
x4
Timesettings
x1
Time/Date
TimerNormalSpeed
TimerReducedSpeed
Extendedrunning
UseUPandDOWNkeystoselectTime/Date
(thismenupermitsthesettingoftimeanddate
intheinternalclock)
Time:aa:aa
Date:bbbb-bb-bb
Weekday:Xxxxxxxxx
Time:aa:aaisactivatedforchanges.Valueto
bechangedashes
Toselectthecorrectvalue.
LivingHROperationandMaintenanceInstructions
20953411SystemairAB

PressbuttonExplanationThedisplayshows
ConrmwithOK.
ConrmwithOKwhenallvaluesareOK.The
systemwillautomaticallyreturntothestart
menuaftersomeminutes.
Toreturntothestartmenuatonce–press
LEFTandUPseveraltimes
4.2.6Restorefactorysettings
Followthestepsbellowtorestorefactorysettings.
PressbuttonExplanationThedisplayshows
x1
ThedisplayislitupLivingHR
Date,time
Syst:Runningmode(Auto,
Manualreduced,Man.norm.,
Off)
x5
Accessrights
x2
SelectLogonLogon
Enterpassword****
Actuallevel:
Operator
Digittobechangedashes.Factorylogged
password,exclusivelyforservicepartners.
Actuallevel:
Admin
x2
ReturntostartmenuRunningmode
Temperature
...
Accessrights
x2
Settings
x1
MenusinsettingsControltemp
Controlow
Alarmsettings
LivingHROperationandMaintenanceInstructions
20953412SystemairAB

PressbuttonExplanationThedisplayshows
x3
Select:
–Restorefactorysettings:Yes/No
–Restoreusersettings:Yes/No
Restorefactorysettings:No
Restoreusersettings:No
ConrmwithOKforselectedalternative.
Valuestobechangedashes.
x1
Toselectmenu:
–Saveusersetings:Yes/No
Saveusersettings:No
Valuetobechangedashes.
ConrmselectedvaluewithOK.
x2
ThesystemisnowloggedonattheAdminlevel
andunskilledpersonscouldchangeimportant
parametersandsettingstovaluesthatwill
causemalfunctionofthesystem.Gotothe
startmenutoreturnthesystemimmediatelyto
thelowestaccesslevel–Operator
x2
AccessrightsLogon
Logoff
Changepassword
x1
Select-Logoffandselecttheanswer–YesLogoff?
No
Actuallevel:Admin
Systemreturnstothestartmenuandisnow
loggedonattheOperator-level.
LivingHROperationandMaintenanceInstructions
20953413SystemairAB

5Maintenance
5.1Important
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
•Allelectricalconnectionsmustbecarriedoutbyanauthorizedinstallerandinaccordancewith
localrulesandregulations.
Warning
•AlthoughtheMainssupplytotheunithasbeendisconnectedthereisstillriskforinjuryduetorotating
partsthathavenotcometoacompletestandstill.
•Bewareofsharpedgesduringmountingandmaintenance.Useprotectiveclothing.
5.2Maintenanceintervals
TypeofmaintenanceOnceayearWhen
necessary
Unit
•Cleaningtheunit
•Inspectionofsealsandlocks
X
Filters
•ReplacingltersX
Fans
•Cleaningthefans
•Inspectingofvibrationdampersandexibleconnections
X
CleaningtheductsystemX1
Cleaningthebrinecoil/driptrayX
Dampers
•Checkingthedampers
•Cleaningthedampers
X
1.Orinaccordancewithlocalrulesandregulations.
5.3Maintenanceinstructions
5.3.1Checkingthefan
5.3.1.1Cleaning
Eveniftherequiredmaintenance,suchaschangeoflters,iscarriedoutdustandgreasemayslowly
buildupinsidethefans.Thiswillreducetheefciency.Thefanmotorcanoverheatifathicklayerofdust
preventstheairfromenteringthemotortocooldownthestatorstructure.
LivingHROperationandMaintenanceInstructions
20953414SystemairAB

•Theexternalsurfacesmaybecleanedwitha
clothorasoftbrush.Iftheyareseverelyfouled,
useanenvironmentallyfriendlyde-greasing
agent.Donotusewater.Whitespiritcanbe
usedtoremoveobstinatesettlements.Allow
dryingproperlybeforestartingtheunit.
•Wipethefanimpellerbladestoremoveany
coatings.Useonlytheenvironmentallyfriendly
de-greasingagent.
5.3.1.2Inspection
•Checkifthefanimpellerrotateseasily,isinbalanceanddoesnotvibrate.
•Checkifthefanimpellerisxedandoverlapsinletcone.
•Listentothesoundcomingfromthemotorbearings.Itshouldmakeaslightpurringsound.Ascraping
orpoundingsoundcanindicatethatthebearingsaredamagedandshouldbechanged.
•Checkiftherubberanti-vibrationmountingsarenotdamagedandintact.
•Checkthemountingscrewsandtightenifnecessary.
5.3.2Changingextractairlter
Thebagltercannotbecleanedandmustbechangedwhennecessary.Newlterscanbeorderedfrom
Systemair.Operationtimebetweenlterchangesdependsontheairpollutionattheinstallationsite.A
differentialpressureswitchindicateswhenit’stimetochangethelters.Thiswilltriggeranalarmin
thecontrolpanel.
Caution
•Ahighconcentrationofdustcollectedthebaglterandtheunitmightbeharmfultohealth.Itis
recommendedtousetheair-purifyingrespiratorduringmaintenanceandcleaning.
Thereisonepairofltersintheunit.Filtersaretakenoutbyreleasingthelterlockinghandleafterwhich
lterscanbetakenoutandreplaced.
LivingHROperationandMaintenanceInstructions
20953415SystemairAB

5.3.2.1Supportedltertypes
Unit
model
FilterclassDimensions
15M5490x392x520
20M5490x490x520
20M5592x490x520
25M5592x592x520
Optionally,F7classlterscanbeusedinsteadofM5forextractairltering.
5.3.3Checkingthebrinecoil
Thebrinecoilisusedtoabsorbheatfromextractedair.Thecoilwillhavereducedcapacityifdustformsa
coatingonthecoilsurfaceandincreasesthepressuredropontheairside.EveniftheLivingHRistted
withtheextractairlters,dusteventuallywilldepositonthecoilns.
5.3.3.1Inspection
•Checkthecoilnsforanydamage;
•Checkifheattransferagentisnotleaking;
•Checkthedipdrayanddrain,cleanifnecessary;
5.3.3.2Cleaning
•Usethevacuumcleanertoremovedustfromtheinletsideofyoucanblowthemwithcompressed
airfromtheoutletside;
•Usehotwatermixedwithnoncorrosivecleaningmediumandrinseusingwater.Anycorrosionshould
becleanedoffimmediatelyandthesurfacetreated.
5.3.4Checkingthedamper
Afaultydampercangiverisetodisturbancesthatmayresultinseriousproblems.Makesuretocheckall
threedampers.
•Checkoperationofthedamperactuator.
•Checkthatthedampertightenswhenclosed.Ifnot,adjustthedamperactuatortomakethedamper
tight(doesnotapplytotrimdampers).
•Checkthesealingstrips.
•Ifthedamperdoesnotoperate,checkthatnothingisstuckbetweenthedrivemechanismanddamper
bladestointerferewiththedamperfunction.
Cleanthedamperbladeswithacloth.Iftheyareseverelyfouled,anenvironmentallyfriendly
degreasingagentcanbeused.
5.3.5Additionalmaintenance
LivingHRdoesnotrequireanymaintenanceotherthantheannualservice.Howeverthingstobechecked
inadditioncouldinclude:
•Tighteningofclampsinthecabinet.
•Measuringpowerconsumption.
•Reviewingsettingsandsetpoints.
LivingHROperationandMaintenanceInstructions
20953416SystemairAB

Warning
•Frequencyconvertersmustnotbetouchednormally.Thesettingsaremadeatthefactory,anditis
importantthattheparametersarenotchangedwithoutconsultationwithSystemair.Thiscouldhave
criticalconsequencesforcompressorsandthewarrantymaybeinvalidated.
AlltechnicaldataforLivingHRissuppliedandisstucktotheinsideofthecontrolpanelcabinet.Thetest
diagramfromthefactory,instructionsforinstallation,maintenanceandoperation,connectiondiagramand
otherdocumentsarealsosuppliedwiththeunit.
LivingHROperationandMaintenanceInstructions
20953417SystemairAB

6Disposalandrecycling
Disposalmustbecarriedoutprofessionallyandenvironmentallyfriendlyinaccordancewiththelegal
stipulations.
6.1Disposaloftheairhandlingunit
Theunitcanbedismantledordisposedinonepeaceinthesamewayitwasinstalledonlyinreverseorder
(see:LivingHRInstallationinstructions).Aspecialvehiclecapableoftransportingtheunitsafelyshould
beusedtodelivertheunittothemetalwastecollectionpointwhereitcanberecycled.Contactyourlocal
wastemanagementcompanyformoreinformation.
6.2Disposalofelectricalandelectronicequipment
InreferencetoEuropeanUniondirective2002/96/ECissuedon27January2003andtherelatednational
legislation,pleasenotethat:
•thewasteelectricalandelectronicequipment(WEEE)cannotbedisposedofasmunicipalwasteand
suchwastemustbecollectedanddisposedseparately;
•thepublicorprivatewastecollectionsystemdenedbylocallegislationmustbeused.Inaddition,the
equipmentcanbereturnedtothedistributorattheendofitsworkinglifewhenbuyingnewequipment;
•theequipmentmaycontainhazardoussubstances:theimproperuseorincorrectdisposalofsuchmay
havenegativeeffectsonhumanhealthandontheenvironment;
•thesymbol(crossed-outwheeledbin)shownontheproductoronthepackagingandontheinstruction
sheetindicatesthattheequipmenthasbeenintroducedontothemarketafter13August2005and
thatitmustbedisposedseparately;
•intheeventofillegaldisposalofelectricalandelectronicwaste,thepenaltiesarespeciedbylocal
wastedisposallegislation.
LivingHROperationandMaintenanceInstructions
20953418SystemairAB