gerkros KST, KT Technical Manual

Instruction for use

Gerkros KT/KST Boiler

Technical Manual

2

Puttingtheboilerintooperation

CONDENSATIONWALLGASBOILERS

Beforefirstputtingintooperationitisnecessarytotakefollowingsteps:

Procedureofthefirstboilerburning:

:

Theboilermustbeputintooperationbyaserviceworkertrainedbyproducer!

1.Checkwhethertheheatingsystemisfilledwithwaterandtheboilerisdeareated
properly.

2.Makesureifallthevalvesareopen.

3.Openthegasvalveinstalledpriortotheboilerandtestthesealingofthegas
pipingintheboiler.

1.Plugthefeedingflexintothe230V/50Hzsocket.
Testthesocketwithanotherappliance.

2.Settheheatingtemperatureandswitcharoomthermostat(if
connected)on.

3.Putthemodeswitchtothepositionwinter.

4.Checktheproperoperationofallthethermostatsandcontrolelements.

5.Settheboileroutputbytherequestofheatedplace.

ATTACKKT,KST-

TheboilerissetbytheproducertonaturalgasG20,inletgaspressure20mbar,
ortoLPGgasG31,inletgaspressure37mbar.

Beforeinstallationandputtingtheboilerintooperationitisnecessarytoget
acquaintedwiththeinstructionforuse.

TheboilerisofIIcathegory.
TheKTboilerisofB,C,C,C,C,Ctype.

2H3P

331333435383

3

Contents:

4Introduction
4Generaldescription
5Purposeofuse
5Technicaldescription

6Conditionsofattendance
6Controlfrontboardoftheboiler
7Specialsymbols
8Puttingtheboilerintooperation

Settingthetemperatureofheatingwater

9Settingthesummermode

Thewayofregulation.Boileroperationwithexternalhotwatertank

10Informationmode

Historyofbreakdownsandoperationconditions

Errorreport
11Equithermalregulationoftheboiler
13OutsidedimensionsoftheKTboiler
14OutsidedimensionsoftheKSTboiler
15ThemainpartsoftheKTboiler
16ThemainpartsoftheKSTboiler
17Supervisionoveroperation

Spareparts

Guarantee,reclamation

Service
18Maintenance

Wrapping,transport,storing

Accessories,documentation
19Technicalparameters

20Installation,conditionsofinstallation
21Localizationandmountingoftheboileronthewall,condensateoutlet
22Installationmodeoftheboiler,testingmode
23Connectingtheboilertotheheatingcircuit.Connectingtothecentralheatingsystem
andgaspipe-line.
24Thechartofconnectingtheboilertowaterandgas.
25Connectingtothemains
26Wastegasexhaust
27ATTACKKTandKSTaccessories
28Connectingaroomthermostat.Connectingacoaxialpipeforwastegasexhaustand
puttingtheboilerintooperation
29ThechartofATTACKKTconnecting
30ThechartofATTACKKSTconnecting
31Settingthegasvalve
32Othersettings,circulationpumpcharacteristics
33-34Notes
35Recordonputtingtheboilerintooperationandobligatoryserviceinspection

Technicalmanual

4

Boileroutput

Turbotype

Condensationboiler

7-25kWKT

7-25kWKST

Boileroutput

Condensationboiler

Turbotype

Through-flowheatingofwater

Introduction

Dearcustomer,

Generaldescription

DescriptionofATTACKKTandKSTboilersbrand:

ThankyouforconfidenceexpressedbypurchasingourproductATTACKKT,KST
wallgasboiler.Wewishyoulongandreliableoperation.Properattendanceofthe
boilerisoneoftheconditionsforreliableandrightoperation,sopleasereadthis
instructionforusecarefully.Themanualiswritteninthewaytorespecttheright
operationoftheboilerincentralheatingsystem.
Theconditionsofrightoperationoftheboiler:

-tochoosetherighttypeandoutputoftheboiler

-impeccableputtingintooperation

-sensitiveattendance

-regulartechnicalmaintenance

-reliableservice

Thelatestproducedrangeofcondensationwallgasboilersisdesignedasan
appliancewithmaximumeffectivityandminimumemissionsintoatmosphere,
savingenvironmentconsiderably.Maximumoutputoftheboileris25kW.High
technicallevelofboilersissupportedbyusedtopcomponentsfromworld
producers.ATTACKboilersareproducedaccordingtorequestsofISO9001and
areproperlytestedbytechnicalandstandardizationinstitutewhichissuedtheCE
certificatestotheboilers.

Fortherightoperationoftheboileritisnecessarytokeepaminimumwater
pressureof1bar(measuredwhenthewateriscold)intheheatingsystem.

NOTICE:

5

Purposeofuse:

Technicaldescription

ThetyperangeofATTACKKT,KSTcondensationwallboilersisproducedwithmodulating
outputof7-25kW,whichmeansthatbytheinstantneedforheatintheobjecttheboiler
choosesoptimalheatingoutput.ATTACKboilersareusedforcentralheatingoffamily
houses,flats,shopsandsimilarplaceswherethefuelisnaturalgas.
Astouse,theboilerisbuilttooperatewithheatingwatertomaximumhydrostaticpressureof
0,3Mpa(3bar)andoperatingtemperatureto85ºCwithconnectiontoheatingcircuitswith
forcedflowofwaterintheclosedsystem.Waterintheheatingcircuitmustsuittostandards
bySTN077401(itmustnotbesourinanycase,whichmeansthatitmusthavethepH-value
higherthen7andminimumcarbonatehardness,max.3mval./1-1)Fillingpressureincold
systemisof11,5bar.Fillingmustbedoneslowlyforairbubblestoescapethroughproper
deareatingvalves.Foradjustingthewaterhardnessintheheatingsystemitisnecessarytouse
recommendedagents.

CondensationwallgasboilerATTACKKTisamodernsourceofthermalenergysuitablefor
heatingandpreparationofhotwaterinanexternaltank.ThecondensationKSTboileris
equippedwithaspecialsecondaryboardheat-exchangerwherehotwaterispreparedby
through-flowheating.ATTACKcondensationboilersareequippedwitaspecialsteeltwo­chamberheatexchanger.Inthefirstchamber(non-condensationchamber)wastegas
transfersheatbutdoesnotcondensate.Inthesecondone(condensationchamber)wastegas
condensatesandtransferssocalledcondensationheatpresentinwastegastoheatingwater.In
thisprocess,acondensateisproducedwhichiscollectedbycondensatecollectorandled
throughasiphonawayfromtheboiler.Theheatexchangerisequippedwithtwoelectrodes.
Oneofthemservesforburning,theotheroneforionizationflameguardingintheheat
exchanger.Ontheheatexchangerthereisalsoanautomaticdeareatingvalveandheatsensor
foroutcomingheatingwater.Removablewalloftheheatexchangerisequippedwitharing
burnerandpipebringingamixtureofgasandairtoaburningspace.Gasismixedwithairina
deviceconsistingofgasvalveandaVenturitube.
Inletofairforburningisenabledbyafanwithcontinuouslycontrolledrevolutionswhich
allowsoutputmodulationoftheboilerinawiderange.Wastegasisdrawnbyacoaxialor
doublewastegasexhaust.CirculationofheatingwaterisdonebyaGrundfoscirculation
pump.Inthecaseofhigherpressureintheheatingcircuit(when,forexample,alltheheadsof
heatingbodiesareclosed),intheboilerthereisaby-passvalvethatopensashortcircuitinthe
boilerandtheoutputismodulatedwithoutanynegativeconsequences.Formeasuring
temperatureandpressuretherearesensorswhichshowthevaluesonthedisplayoftheboiler.
ControlofATTACKKT,KSTcondensationboilersprovidesanextremelycomfortable
attendance.Theremotecontroloftheboilerisdonebyalltheaccessibleperipheraldevice
thatiscompatibleincommunicationwithOPENTHERM.Equithermalregulationprovides
economyoffuelanddiminishedwearofsinglecomponents.Thisregulationtakescareof
propertemperatureofheatingwaterbythecalculationaccordingtooutsidetemperature.The
displayaswellascontrolbuttonsarelaidoutonthecontrolboard.Fortherightoperationof
theboilerthereisamicroprocessorunitthatmonitorsandevaluatesinstantaneousconditions
oftheboilertoreachoptimizationandeconomyoffuelformaximumutilizationofthe
appliance.

Inthecaseofnotfollowingtherulesabovethereisnoguarantee

fordamagedcomponents.

6

Reset

Reset

usedforswitchingonandoffandforchangingthemode(summer-winter)

usedforparametersofthecontrolboard(temperatureofhotandheatingwater,
waterpressure,outsidetemperature,Kfactor)

usedforincreasingtemperatureofhotandheatingwater

usedfordecreasingtemperatureofhotandheatingwater

Enter,Reset

Conditionsofattendance:

Theattendanceoftheboilermustbecarriedoutbytherulesdescribedinthismanual
whichisapartofdeliveredconsumerdocumentation.Exceptattendance,theusermust
notcarryoutanyrepairsontheappliancenoradjustmentsorunmountingandcleaning
theinsidepartsoftheboiler.Theboilercanbeoperatedonlybyanadult.Afterleaving
homeinwinter(onholiday...)asupervisionbyatrainedpersonisneeded.Ifthereisa
dangerofapproachofinflammable(combustible)gasesorfumestotheboiler,itmustbe
putoutofoperationsoon.Theuserishastotakecareofrightuseoftheboileraccording
tothisinstructionwhichisalsoaconditionforacknowledgementofguarantee.When
puttingtheboilertooperation,theserviceworkermustinstructtheuserhowtooperate
theboilerTheuserwithhisorhersignatureintheletterofguaranteeconfirmshaving
beeninstructedintheboilerattendance.

.

Controlfrontboardoftheboiler

Specialsymbolsandtheirexplanation:

Symbol MeaningExplanation

CentralheatingSymbolforcentralheating

HotwaterSymbolforhotwater

Testingmode

DegreeofCelsius

Index

Error(E)

Error(r)

Paramater

50

Normalinicationofvalue50

150Pointindicatesvalue100

250Twopointsindicatevalue200

FlamePointindicatesflamedetection

7

8

Puttingtheboilerintooperation:

Settingupthetemperatureofheatingandhotwater

Firstputtingtheboilerintooperationcanbedoneonlybyatrainedauthorizedservice
partneroftheATTACKcompany.Whenoperatingtheboiler,ausercanmanipulateonly
withcontrolelementsandafillingvalve.Thisvalveisnotapartoftheboiler,buttheheating
circuitmustbeequippedwithit.Whenstartingtheoperation,itisnecessaryforallthe
connectinglines(connectionofheatingsystem,ofnaturalgasandcondensateoutlet)tobe
sealedandtestedbyrevisions.Forfillingtheheatingcircuititisrecommendedtousesoft,
filteredrainwater.Waterhardnessintheheatingcircuitcannotbehigherthan3mval/l.When
puttingtheboilerintooperation,checkwhetheralltheclosingvalvesareopen.Plugthe
cableintothesocket.
Afterplugginginthedisplayofthecontrolfrontboardshowstheinformationonthe
softwaretypeoftheproductfor2seconds.
Ifthereisnorequestforheatingandnobreakdownregistered,thedisplayshowscurrent
outlettemperatureofheatingwater.TheboilerisintheSTAND-BYmode,readyfor
operation.Ifthepressureofheatingwaterislowerthan0,8bar,E37errorisindicated.
Currentpressureofheatingwaterinthecircuitcanbedisplayedintheinformationmode(see
thepartInformationmode).Ifthedisplayedvalueofpressureislowerthan0,8bar,itis
necessarytoincreasethesystemto11,5barusingthefillingvalve.Afterincreasingthe
pressure,thevalveistobeclosed.Thefillingvalveshouldbeequippedbyanon-returnflap
valvetopreventcontaminationofdrinkwaterbywaterfromtheboiler.Thiscouldhappenif
thefillingvalvewasnotclosedproperlyandpressureintheheatingcircuitwashigherthan
pressureofwaterinpiping.
Theboilercanbesetintowintermodebythebutton__________.Operationoftheboilerin
thewintermodeissignalizedbyLEDdiodeoverthebutton__________,whichisnot
shining.Inthismodetheboilerisreadyforheatingintheheatingsystem.
IftherequestforheatingcomesfromthethermostatorfromcontactsoftheOPENTHERM
communication,theboilerisputintooperationwithinafewseconds.Thedisplayshows
currenttemperatureofheatingwater.Asmallredlightintherightlowercornerofthedisplay
signalsthattheboilerhasstartedcorrectlyandthemainburnerisoperating.
TheLEDdiodeatthesymbol_________isshining,signalizingtherequestfromthe
thermostatforheating.Whentherequestisattheend,thediodegoesout.
TheATTACKKTboilerisalsoequippedwithanti-cyclingfunction.Aftertherequestfor
heating,anti-cyclingtimeisactivatedduringwhichtheboilerwillnotrespondtotherequest
forheating.Afterthistimetheboilerisrestarted.Anti-cyclingtimeissignalledbyflickering
oftheLEDdiodeatthesymbol_________.
Ifthereisarequesttoheatwater,theLEDdiodeonthefrontboardatthesymbol_______
lightsupandcurrenttemperatureofhotwatercomingoutoftheboilerisdisplayed.

Thetemperatureofheatingwatercanbechangedbythebuttons+/-atthesymbol
_________.Withthehelpofthebutton+therequiredtemperatureisrisenandwiththe
helpofthebuttonthetemperatureislowered.Thetemperatureisshowedonthedisplayof
theboiler.Therequiredtemperatureisconfirmedandsavedintothememoryautomaticlyif
in5secondsthevalueisnotchanged.
Thetemperatureofhotwatercanbealsochangedwiththebuttons+/-,butatthesymbol
________,whilethetemperatureisbeingdisplayed.Therequiredtemperatureissavedifthe
temperatureisnotchangedin5seconds.

9

Settingupsummermode

Thewaysofregulationoftheboiler

Operationoftheboilerwiththethrough-flowheatingofwater(KST).

Operationoftheboilerwiththeexternalhotwaterstoragetank

Summermodeissetupbythebutton___________.Theoperationoftheboilerinthe
summermodeisdisplayedbytheloghtofLEDdiodeoverthebutton_______.Theboilerin
summermodeignoresanyrequestforheatingfromtheroomthermostatorOPENTHERM
contacts.

Theboilerinsummermodecanonlypreparehotwater.Summermodeoftheboilerisalsoa
standbymodeforactivatinganti-freezingfunctionandprotectionofthepump.
Anti-freezingfunctionprotectstheboileraswellastheheatingcircuit.Ifthetemperatureof
heatingwaterdropsunder6°C,theboilerstartsworkingtominimumheatingoutputandturns
offafterhavingreached15°Ctemperatureofheatingwater.
Automaticprotectionofthepumppreventsblockingthepump,soifitisnotworkingmore
than24hours,thepumpisactivatedfor30seconds.

1.Operationwithoutaroomthermostatinthiscaseitisnecessarytohaveaconnectionon
theterminalboardbetweenT1andT2contacts.Thisconnectionismadefromtheproduction
unit.Theboilerpreparesheatingwatertothechosentemperature.

2.Operationwitharoomthermostattheboilerisregulatedbytheroomthermostatandkeeps
thesetuptemperatureofheatingwater.TheroomthermostatisconnectedtotheT1andT2
contactsontheterminalboardinsteadofadisconnectedjumper.Or,insteadoftheroom
thermostat,aregulatorsuchasHONEYWELLCX51,CR11010whichapartfromother
functionsalsoservesasaroomthermostat,canbeconnectedthroughOPENTHERM
contacts.

.Operationoftheboilerbytheoutsidetemperature.Theboilerhasanoutsidesensorof
temperature(HoneywellSO10075)andanequithermalcurveischosen.Totheboilercanbe
alsoconnectedaroomthermostatwhichinfluencesswitchingonandoffoftheboilerandthe
temperatureofheatingwaterissetautomaticlybytherealoutsidetemperature.

Fortheoperationoftheboilerwithathrough-flowheatingofwater(KST),thedemandfor
heatingisrecordedbythethrough-flowsensorofhotwaterrespondingtohotwater
withdrawal.Themaximumconnectingpressureofhotwatercanbeof6bar.Intheareas
withhigherhardnessofwateritisnecessarytosoftenthewaterenteringtheboilertoprevent
incrustationoftheboardheatexchangerforhotwater.

FortheoperationwiththeexternalhotwaterstoragetankitisnecessarytoconnecttotheL,
N,Rcontactsontheterminalboardthedriveofathree-wayvalvewithoutamicroswitchand
totheS1,S2contactsasensorforhotwatertemperature.Theboilerprepareshotwaterin
winteraswellasinsummermodewhilehotwaterisaprioritytotherequestforheating.If
theboi

Ù

Note:ThecontactroomthermostatcannotbeusedontheOPENTHERMcontacts.Theseare
forconnectingtheregulatorthatiscompatibleincommunicationwithOPENTHERM.
3

Incaseofincrustationoftheboardheatexchangercausedbyoperationonhardwater
thereisnoguarantee.

lerworkswithouthotwaterpreparation,theS1andS2contactsareconnectedwitha

connectionequippedwitha2,2kresistor.
Accessoriesforconnectionoftheexternalhotwaterstoragetank:

1.Three-wayvalveHoneywell1“+VC6013MP6000drive

orthealternationthree.wayFUGAS ľ“valve+drive(codeRZ18+RZ19)

2.HoneywellSO10045hotwatersensorusedforthesleevewith1mcable.

10

Reset

Reset

Reset

Informationmode

Historyofbreakdownsandoperationconditions

Errorreports

Informationmodecanbeactivatedbypressingthebutton_________.Byrepeatedpressing
itispossibletoscantheseindexes:

Index
1Currentintensityoftheflame
2Currenttemperatureofoutletheatingwater
3Currenttemperatureofreturningheatingwater
4Currenttemperatureofhotwater
5Pressureintheheatingsystem
6Applicationtype
7Currenttemperatureofwastegas
8Currentflowrateexpressedbythefrequencyofthesensor(Hz)
9Currentcalculatedvalueofoutletheatingwaterbytheoutsidetemperature(inthe
modeofequithermalregulation)
10Currentvalueofoutsidetemperature

Theinformationmodecanbefinishedbypressingthebutton_________.Themodeis
automaticlyfinishedifin1minutenochangeisdone.

Bykeepingthebutton_________forthetimelongerthan3minutesthehistoryofboiler
breakdownsisactivated.OnthedisplaythereissymbolEwithrelevanterrorcode(see
chartoferrorreports).Searchinginthelistofbreakdownsismadebythebutton
_________andserialnumberoftheerrorandsymbolEaredisplayedalternately.
Thismodecanbestoppedbypressingthebutton________again.Thehistoryof
breakdownsendsautomaticlyafter30secondssincelastchange.

IncaseofanyerroronthedisplayappearsthesymbolEwithrelevanterrorindex.
Chartoferrorreports:
Index
01Flameblockingaftersomeunsuccessfulattempts
02Falseflamesignal
03Safetythermostatopen
05Errorincommunicationbetweencontrolelectronicsandventilator
07Hightemperatureofwastegas,TTBsensor

----­08Errorintheflamecircuit
09Errorinthegasvalvecircuit

10ErrorinthecommunicationwiththememoryofEEPROMcontrolelectronics
11emperatureofreturnheatingwaterishigherthantemperatureofoutletheating

water

21ADCHuperror(InternalerrorofCVBCelectronics)

11

C
1
2
3
4
5
6
7
8
9
10

C120100-10-20

1
2
3
4
5
6
7

9
12
18

3032.53537.540
3035404550

3037.54552.560
3040506070

3042.55567.580
3045607590

3047.56582.590

3052.5758590
3060858590
3075858590

Reset

22ADCLuperror(InternalerrorofCVBCelectronics)
25InconsistencybetweenHupandLupCRC(InternalerrorofCVBCelectronics)
30Temperatureofheatingwaterisoutofworkingrange(closedcircuitshort-circuit)
31Temperatureofheatingwaterisoutofworkingrange(opencircuit

notconnected)
32Temperatureofhotwaterisoutofworkingrange(closedcircuitshort-circuit)
33Temperatureofhotwaterisoutofworkingrange(opencircuitnotconnected)

34Lowfeedingvoltage(lessthan185VAC,ifthevoltagereaches190250VAC,the
erroriseliminated)
35Frequencyoffeedingvoltageisintherangehigherthan+/-5%
36Bigrangeofbottomandtopvalueoffeedingvoltage
37Lowpressureofwaterintheheatingsystem
41Temperatureofwastegasisoutofworkingrange(closedcircuitshort-circuit)
42Temperatureofwastegasisoutofworkingrange(opencircuit

notconnected)
43Temperatureofheatingwateristoohigh

Errorsfrom143arerecordedinthememoryofboiler.Eliminationoftheerrors
1,2,3,5,7,11happensafterre-establishingconditionsinworkingrange,withoutusing
________.

Whentheoutsidesensorofoutsidetemperaturetotheterminalboardisconnected(OT1
andOT2contacts)andequithermalcurveCisdetermined(parameter15Installationmode
oftheboiler),theboilerstartsworkinginthemodeofequithermalregulationof
temperatureofheatingwaterbytheCcurve.Thetemperatureofheatingwaterinthiscase
isautomaticlyadjustedtotheoutsidetemperaturebythisformula:

T=K+C1*(20-outsidetemperature)/4K-constant(parameter10installationmodeof
theboiler)

T=30°C+C1*(20-outsidetemperature)/4

C1isderivedbyCcurveinthisway:

IfC=1.....7thenC1=C

IfC=8thenC1=9
IfC=9thenC1=12
IfC=10thenC1=18

Equithermalregulationoftheboiler

hw

hw

12

Ekvitermickékrivky"C"

20

30

40

50

60

70

80

90

Vonkajšiateplota(°C)

10

9

8

7

6

5

4

3
2
1

EquithermalcurvesC

Outsidetemperature(°C)

ThisgraphshowstemperatureofheatingwaterindependanceontheCcurveandoutside
temperature.SettingtheCcurveismadeintheinstallationmodedescribedindetailsinthe
part

Forsettingup,variousenteringvaluesareimportante.g.heatinglossofheatedbuilding,
heatingtemperatureofthebuilding,etc.
WhendecidingforthesuitableCcurve,itisnecessarytorealizethatifthecurveistoo
steep,thebuildingwillnotbeheatedbyequithermalregulationbuttheregulationwillbe
donebyroomthermostat,sotheadvantagesoftheequithermalregulationwillbelostand
thesystemwillreactonlytothetemperatureofthesurroundings.Ifthecurveistoo
shallow,thetemperatureofheatingwaterwillnotbehighenoughtoensurecomfortinside
theheatedbuilding.
Forinitialsettingup,wechoosethecurveC=5andafterwardschangeitproperlybythe
respondoftheheatedbuilding.Theresultofsettingupisthattheroomthermostatswitches
theboileroffveryrarelyandtheboilerisoperatinginthelongestpossibleintervals.The
generalruleisthatashallowcurveissuitableforwellinsulatedbuildings(C=1,2,3)and
forbuildingswithhigherthermallossesasteepercurveissuitable(C=6,7,10).
Theadvantageofequithermalregulationistoheattheplacebythelowestpossible
temperatureofheatingwaterinthelongestpossiboleperiodstoensurepermanent
temperatureofheatingbodies.Astheheatingbodiesarealwaysheated,theyproduce
permanentheatradiation,makingtheuser´scomfortbetter.Aftersettinguptheequithermal
curveitisnecesarytowaitoneortwodaystogetthethermalresponseoftheplaceand
watchtheroomthermostatwhetheritdoesnotswitchofftoooften.Incaseitswitchesoff
toooften,theplaceisheatedmainlybytheroomthermostatanditisnecessarytoreduce
thesteepnessoftheequithermalcurve.Theoutsidesensorfortheequithermalregulationis
usuallyplacedonthenorthernornorth-westernsideofthebuilding.

Installationmodeoftheboiler.

122

240

105

48

185

13

OutsidedimensionsofATTACKKT

470mm

310mm

150mm

14

OutsidedimensionsofATTACKKST

470mm

310mm

150mm

122

240

170

105

48

185

15

MainpartsofATTACKKTboiler

MainpartsofATTACKKSTboiler

16

17

Supervisionoveroperation

Spareparts

Guarantee,reclamation

Service

Duringtheoperationtheboilerissecuredagainstdangerousoperationconditions.However,
thebreakdownswiththecausenotincludedintheboilermechanismcannotbeprotectedto
arise.Thereforeitisnecessaryafterputtingtheboilertooperationtoexaminetheboilerevery
threedaysandcheck:
a.whetherthesystemisfilledwithwaterandthereisnoleakage.Ifthepressuredropsunder
0,8barintheheatingcircuitinthecoldcondition,itisnecessarytoincreasethepressurewith
thehelpofthefeedingvalveto11,5bar.
b.whetherwastegasesorgascannotbesmelled.Incaseofgasleakageputtheboileroutof
operation,closethegassupplyandcallservice.

Theproducerkeepssinglepartsofboilersassparepartswhichareprovidedforguaranteeand
postguaranteeserviceonlytocontractpartnersonthebaseoforderorreclamation.

Theexactreadingofguaranteeandguaranteeconditionsandhintsforreclamationare
includedintheletterofguarantee.Repairsintheguaranteetimeareperformedonlyby
contractservices.
Attention!

Aftereachyearoftheoperationduringtheguaranteetimeitisnecessarytogettheboiler
examinedandadjustedbyacontractcompany.Theguaranteewillnotbeadmittedunlessthis
isperformed.Evenafterfinishingtheguaranteetime,theproducerrecommendsany
interventionsaimingtorepairstobemadeonlybyacontractservicepartner.Theactivitiesof
theboileruserinthepostguaranteetimearedeterminedinthepart„Maintenance“.

Foundbreakdownsmustbereportedtotheserviceworkerwhoputtheboilertooperation.
Ifthereisagasleakage,thegassupplymustbeclosed.Foundbreakdownsmustbe
removedimmediately.

Torespecttheconditionsofguarantee,theproducerdoesnotpermitperforminganyrepairs
byacompanyotherthanacontractorserviceintheguaranteetime.

18

Maintenance

Wrapping,transport,storing

Boileraccessoriesanddocumentation

Regularmaintenanceisimportantforreliableworking,longlifetimeandcombustion
effectivityoftheboiler.Theuserisrecommendedtocontactacontractserviceorganization
nearbyandensureregularannualexaminations(seeconditionsforguarantee).Aservice
workercheckscontrolandsafetyelementsoftheboiler,gasandwaterdistributionsealing
orcleanstheburnerandexchangerfromburntdustparticles.Incaseoflowerpressureitis
necessarytorefillwaterintocoldheatingcircuit.
Approximatelyonceamonth,theusershouldcheckwhethercondensaterunsoffinto
sewage.Checkingandcleaningoffiltersoftheheatingsystemshouldbedoneafterfirst
heating,firstweekofoperationandregularlybythedegreeoffoulingofheatingcircuit.

Boilersaretransportedinhorizontalposition.Topreventpossibledamage,theyare
protectedbyacartonwrapping.Thewrappingissecuredbyanadhesivetape.Theboiler
mustbestoredinnon-aggressivespacewiththetemperatureof+5upto+50°Cin
maximumrelativehumidityofairof75%,withoutpresenceoforganicsteams,gasesand
dust.

ATTACKKT,KSTboilersaredeliveredcompletelyassembliedandtestedduetooperation.
Thedeliveryincludes:

wallbracket
instructionforusewithadocumentofboilertestingonthebacksideoftheinstruction

–letterofguarantee,listofcontractpartners
–coaxialpipe60/100mm1m

–coaxial90°elbow
–sealing

Otheraccessoriesnotdeliveredwithboilers:

19

Technicalparameters

Cathegoryoftheappliance................................................................................II

Type........................

Typeofgas...............................................................................Naturalgas(G20),LPGG31

Feedingpressureofnaturalgas....................

FeedingpressureofLPGgas(mbar)..................

Heatinput(max/min)kW................

Thermaloutputtemperaturedrop50/30°C(max/min)kW........

Thermaloutputtemperaturedrop80/60°C(max/min)Kw..........

Naturalgasconsumption(max/min)mh.........................

LPGgasconsumption(max/min)mh.............................

Noiseness(1mfromtheboiler,1,5height)dB(A)..................

Wastegasrateofflow(max.output)g/s...................................

Wastegasmax.temperature(max.output,50/30°C/80/60°C)°C..............

NOxclass................................................................

COcontentinwastegas(%)..............

Nominalefficiencyfortemperaturedrop50/30°C(%)......................

Nominalefficiencyfortemperaturedrop80/60°C(%).............

Therangeoftemperatureofheatingwaterinheatingmode°C..........

Expansiontankvolume(l).....................................................

Max.workingoverpressureofheatingwater(bar)...........................

Min.workingoverpressureofheatingwater(bar).............................

Max.workingtemperatureofheatingwater(°C)..............................

SurroundingsbySTN332000-3..............................................................normalAA5/AB5

Hotwaterpreparationmode(onlyforATTACKKST)

Set-uprangeofhotwater(°C)...........................

Hotwaterpassagethermaldifference35°C(l/min)..................

Hotwaterpassagethermaldifference25°C(l/min)..................

Minimumhotwaterpassage(l/min).................

Rangeofworkingoverpressureofhotwater(bar)...............

Electricitydata

Electricalsupply/Frequency(V/Hz)..............

Elect.supplyoncontactsofroomthermostat(V)..................

Output(W).................................................

Nominalfusecurrent(A).....................................................

Electricstandard...............................

Dimensions

Width/Height/Depth(mm).............................................

Weightwithoutwater(kg)....................................................

Connection

HeatingInlet/Outlet(G).................................................

Gas(G)...........................................................................

Diameterofcondensateexhaust(mm)...................................

Wastegasexhaust

Max.lengthof60/100coaxialexhausthorizontal(m)..................

vertical(m).................

Max.sumofdouble-pipe80mmexhaustlengths(m)....................

2H3P

2

3/

3/

Ø

Ø

.....................................................................B,C,C,C,C,C

....................................................20

..............................................37

............................................................23,4/7,1

…...............25/7,5

….........22,4/6,8

.........................2,46/0,74

.............................0,95/0,3

........................<50

.........................13

.....52/77

.............................................5

..............................................................8,7%

...............107

.........................97

..........30-90

..............................7

...................3

................0,8

..................85

...............................................35-65°C

...........................9

.........................13

..................................................2,2

..............................1-6

..................................................230/50

............................230

...........................................................120

.....................................2

....................................................................IP44

….............................465/800/310

.................................35

.....................................3/4"/3/4"

........................................3/4"

................................13

……………..3

........................2,7

.......................10

331333435383

20

TECHNICALMANUALFORASSEMBLY

ANDSERVICECOMPANIES

Installationofboilers

Installationconditions:

Aboilercanbeinstalledonlybyacompanywithavalidcertificateforinstallationand
assembly.Fortheinstallationitisnecessarytoworkoutaprojectthatsuitstovalidrules.
Connectingoftheboilermustsuittovalidstandards,rulesandinstructionforuse.

Agasboilercanbeinstalledonlybyacompanyauthorizedtocarryouttheseworks.
Beforeinstallation,theinstallingcompanyhastochecktherightchoiceoftheboilertype
withregardtothefunctionalattributesandrequiredparameters.TheboilerhasanIP41
coveringofelectricpartsthatisresistentagainstwaterdroppingvertically.Thereforeitcan
beinstalledinbathroomsbytheSTN332000-7-701standardinzone3(inthedistanceof
60cmfromtheedgeofthebathorshowercorner).Duringinstallationtheremustbe
protectionagainsttheinjurybyelectricity.Theroomwheretheboilerislocatedmusthave
thetemperatureintherangeof+5to+35°Cwithrelativehumidityto80%.

100mmtomaterialsoflowandmediumflammability

200mmtomaterialsofhighflammability(e.g.fibreboards,polyurethane,polyethylene,
expandedPVC,rubber...)
DuetofiresafetytheboilermustbeinstalledandoperatedinaccordancewiththeSTN92

0300.
Thefirstputtingintooperationandtrainingoftheboileroperatorsmustbedonebya
contractservicepartneroftheproducerthatmakesregularmaintenanceaswellas
guaranteeandpost-guaranteeserviceoftheboiler.Tothesupplygaspiping,ahandygas
valvemustbeinstalledpriortotheboilerwhichmustbeaccessiblebutisnotapartofthe
boileraccessories.TheboilerisconnectedtotheheatingsystemthroughscrewjointsG
¾“.GasinletisconnectedthroughscrewjointsG¾“.Beforeinstallingtheboileritis
necessarytomakesurethatthechosenplacefitstorequirementsforwastegasescapeand
thatminimumdistancesbeforementionedarekept.Asthisboilerisfast-heating,equipped
withitsownpump,itispossibletoconnectitwithgravitycirculationaswellastoanew
systemforforcedwatercirculationintheheatingsystem.Fornewdistributionswe
recommendtousesmall-volumeheatingbodiesanddistributionsinthesmallest
dimensionsbecauseoffastheatingofthesystemtothetemperatureanditsbigflexibility.
Connectingoutletsoftheboilershouldnotbestrainedwhenconnectingtheboilertothe
heatingsystemandtothegasdistribution.Beforeconnectingtheboilertotheheating
systemitisnecessarytoflushitoutthoroughlytoremovesmallimpuritiesandmud.

The

producerisnotresponsiblefordamagescausedbyfaultyinstallation.

ItisnotallowedtoplaceobjectsclasifiedbytheSTN730823closetotheboiler,inthe
distanceshorterthan

465mm

8080

195 195 195

305mm

boiler

wallbracket

21

Theheatingsystemmustincludeaproperfilter.Toutilizethemaximumoutputofthe

boileritisnecessarytoensureminimumpressureintheheatingsystemof0,8barforright
operationandlonglifetime.Abuiltexpansiontankenablesconnectingtheboilertothe

closedheatingcircuit.Theboileristooperateonnaturalgasof20mbarnominalpressureor
LPGof37mbarnominalpressureinthedistributionnet.Theboilerislocatedsoastoensure
necessaryoperatingconditionswithregardtothewaysofcombustionairsupplyandwaste
gasexhaust.

Localizationofboilersmustsuittoprojectdocumentation.Boilersaretobesituatedinthe
waytoensurealltheoperationconditionsneededandwithregardtothewayofcombustion
airsupplyandwastegasexhaust.Fromthesidesofboilerstheremustbefreeaccessofat
least0.2mandinfrontofboilers1mforassemblyandservice.Boilersmustbeinstalledat
least0,1moverthefloor.

Mountingtheboilersonthewallmustbeperformedonthebaseofqualifiedassessmentof
thewallbearingcapacity(byaprojectworkerorassemblycompany)soastoguaranteesafe
andreliablehangingofboilers.Theboilerhangsonawallbracketwhichmustbemounted
tothewallwithasuitableconnectingmaterial(e.g.screwsanddowels)regardingthequality
ofthewallandweightoftheboiler.

Condensateproducedduringtheoperationoftheboilermustbedrainedoffconstantly.The
diameteroftheoutletsystemmustbeatleast13mm.Fortheoutletofcondensatetosewage
itisnecessarytofollowproperlocalandnationalrules.Ifneeded,neutralizationdevicecan
beused.Condensatecannotbegatheredinanycase,thereforetheoutletmustbeinmin.
slopeof3%tosewagedownwardsfromtheboiler.

Localizationofboilers

Mountingtheboilersonthewall

Condensateoutlet

22

Reset

Reset

Reset

Installationmodeoftheboiler

Testingmode

Installationmodeservesforsettingupvariousparametersofboileroperation.Thismode
isactivatedbypressingthe______buttononthecontrolboardformorethan3seconds.
ActivatedinstallationmodeissignalledbyflashingsignalizationLEDdiodeabovethe
button.Parametersareselectedbypressingthebutton_______.Changeofaparameteris
donebypressingbuttons+/-nearthesymbol______.Recordtomemoryoftheboileris
confirmedbypressingthebutton______in5secondsfromchoosingtherightvalue.This
timeperiodisindicatedbyflickeringredLEDdiodeabovethisbutton.
Ifthechangeisnotconfirmed,thevalueisnotrecordedintothememoryandlastvalue
donebeforethischangeisvalid.
Theinstallationmodeisfinishedbypressingthebutton_______incasetheredLED
diodeabovethisbuttonisnotflickering.Theinstallationmodeisalsofinishedifthereis
noactivityformorethan1minute.

Listofparameters:

1Raiseoftemperatureatstart(°C/min)inheatingmode(0-60)4
2Anticyclingtimeinheatingmode(s)(0-255)90
3Kpfactorinheatingmode(-)(0-255)2
4Kifactorinheatingmode(-)(0-255)62
5Kpfactorinhotwatermode(-)(0-255)3
6Kifactorinhotwatermode(-)(0-255)93
7Startingoutput(%)(0-70)50
8Kpfactoroftheventilator(-)(0-255)35
9Kpfactoroftheventilator(-)(0-255)230
10Heating-set-upparameterbyoutsidetemperature(°C)(20-40)30
11Currentheatingtemperature(°C)
12Run-outofthepumpinheatingmode(min)(1-20)5
13Currenthot-watertemperature(°C)
14Maximumoutputoftheboilerinheatingmode(%)(0-100)100
15Heatingcurvebyoutsidetemperature(-)(0-10)0
16Run-outofthepumpinhot-watermode(s)(0-255)30
17Hysteresisinheatingmode(°C)(0-10)3
18Hysteresisinhot-watermode(°C)(0-20)5
19Maximumvalueoftemperatureinheatingmode(°C)(20-90)80

Testingmodeisactivatedbypressingthebutton_______formorethan3seconds.The
functionoftestingmodeissignalledbyflickeringsignalizationLEDdiodeatthisbutton.
Duringtestingmodeitispossible,withbuttons+/-,tosetupoutputatthesymbol
_______whichisgiveninpercentanddisplayed.Ifyouwanttofinishthetestingmode,
youcandothatwiththebutton_______.Durationofthetestingmodecanbesetuporit
finishesautomaticlyiffor30minutesthereisnochange.

Par.No.DescriptionSet-uprangeSelectedvalue

23

Connectingtheboilertoheatingsystem

Connectingtheboilertohotwaterpiping

Connectingtheboilertogaspipeline

ATTACKboilersserveforheatingsystemswithforcedcirculation.Rateofwaterflowcanbesetby
theswitchonthepump.Beforefillingtheheatingsystemwithwater,itisnecessarytocleanthe
systemproperly.Heatersanddistributionmustbeflushedoutseveraltimes.Forthoroughflushing
andcleaningoftheheatingsystemwerecommendtousecleaningagents.Ontheinletfromheating
systemtotheboiler,afiltermustbemounted.Werecommendbrassfilterswithsidecleaning.The
filtersmustbecleanedregularlyaccordingtofouling.Maintenanceoftheboileriseasierwhenonthe
inletaswellasontheoutletofheatingthereisavalve.Filtersandvalvesarenotdeliveredasboiler
accessories.Theheatingsystemmustalsobeequippedwithafeedingvalvewithnon-returnflapvalve
connectedtowaterpipingthatservesforfeedingandpressurizingtheheatingsystem.

Thehardnessofwaterintheheatingsystemisnotrecommendedhigherthan3mval/l.Intheboiler
thereisa7-litrepressureexpansiontankenablingconnectingtoaclosedheatingsystem.Ifitis
requiredbythesizeoftheheatingsystem,anotherpressureexpansiontankistobemounted.The
recommendedtemperaturedifferencebetweenoutcomingandincomingheatingwaterfromthe
boileris15-20°C.Forreconstructionofheatingoranewsystemwerecommendsmall-volume
heatersanddistributionsinthesmallestdimensionsregardingtofastriseofthesystemtothe
temperatureandquiteabigflexibilityofthesystem.Processofwaterfilling:whenfillingwithwater,
theboilermustbedisconnectedfromelectricity,deareatingvalvesontheboilerandheatingsystem
mustbeopen.Setthesystemtothepressureof1bar,thendeareateandsettothepressureagain.
Heatingsystemmustsuittovaluablestandardsandmeasures:
STN060310Projectandassemblyofcentralheating
STN060830Equipmentforcentralheating
ThesizeofexpansiontankbySTN060830iscalculatedbyformula:
V=V.v.1.3

V=volumeoftheexpansiontank
V=volumeofheatingwaterinthecircuit
v=proportionalgrowthofvolumeafterheatingtotIft=80°C,v=0.029

Ifthevolumeoftheexpansiontankishigherthan7litres,itisnecessarytoaddanotherexpansion
tankwithminimumsizeequaltocalculateddifference.Becauseofmaximumutilizationof
condensationeffectitisnecessaryfortheheatingsystemtobedimensionedtotemperaturedropof
50/30°C.Theboilerisequippedwithasiphonthatbeforestartmustbeflushedoutwithwaterof
about100ml.Theoutletfromthesafety3barvalveisnecessarytoconnecttothedischarge
piping.

ConnectingtheboilertohotwaterpipingmustbedoneinaccordancewiththestandardSTN06

0830.Thepipingmustbeequippedwithallthedeterminedfittings.Maximumfeedingpressureof
hotwateris6bar.Hardnessandcompositionofwatermustsuittovalidstandardsfordrinking
water.

Beforeconnectingaboilertothegaspipeline,thepipelinemustbetestedandadjusted.After
connectingtoaboiler,allthegasconnectorsmustbetested,includingpipingandfittingsinthe
boiler.Boltedconnectionsofthegaspipelineaswellasthoseofthewaterpipingandheating
waterpipingmustnotbestressedbyanyadditionalforce.Gasinstallationmustbedoneaccording
tothestandardSTNEN1775.

Guaranteedoesnotapplytothecasesofcloggingtheexchangerorpumpbyimpuritiesfromthe
system.

C

C

mm

Guaranteedoesnotapplytothecasesofincrustationoftheheatexchangerorpump.

24

Gasinlet

3/4”

Heatinginlet

3/4”

Heatingoutlet

3/4”

ChartofconnectingtheATTACKKTboilertowaterandgas

ChartofconnectingtheATTACKKSTboilertowaterandgas

Hot
water
outlet

1/2”

Condensate

outlet

3-barvalve

Inletof
refilling
waterin
heating

circuit

Heatingoutlet

3/4”

Gasinlet

3/4”

Heatinginlet

3/4”

Condensate

outlet

3-barvalve

Hot

water

inlet

1/2”

25

Connectingtheboilertothemains

Theboilerispluggedintothesocketof230V/50Hzwithamainscablewithaplug.The
socketmustsuittoSTN332000-4-46standardanditmustbeequippedwithacentre
contactpinconnectedtoPEconductor.Variousmultiplesocketsandlenghteningcablesare
notallowedtouse.Mainssupplymustbeof230V/50Hz.Installationofthesocket,
connectingtheroomthermostatandserviceofelectricpartsoftheboilercanbeperformed
onlybyapersonwithspecialelectricqualification.Electricinstallationisreadyfor
additionalconnectionofaroomthermostatandthree-wayvalveincaseindirectlyheated
storagetankwasconnected.Theroomthermostatmustbeconnectedbyacopperconductor
with1-1.5mm.Theoutsidethermalsensormustbeconnectedwithacopperconductor
with0.75mmdiameter. Ù

2

2

Maximumresistanceofthelineis10k,totallength30m.Forthe

OPENTHERMcontactscanbeusedacopperconductorwith0.5-1.5mmdiameter.The
conductorsoftheoutsidethermalsensorandOPENTHERMcontactscannotbeconducted
concurrentlywiththeconductorsoftheroomthermostatandmainsfeed.

2

26

Waste-gasexhaustKT,KST

ATTACKKT,KSTboilersareapprovedbythestandardSTNEN483forthetypesC13,
C33,C43,C53,C83.

C13-typehorizontalcoaxialtype,wastegasoutletandairintakeareinequalpressure
conditions.

C33-typeverticalcoaxialtype,wastegasoutletandairintakeareinequalpressure
conditions.
C43-typedoubledtypeintoacommonflueshaft.
C53-typeseparatedairintakeandwastegasoutletwiththeintakethrough
thewallandwastegasexhaustthroughtheroof.Thistypemustnotbelocatedonthe
oppositewallsofthebuilding.
C83-typeseparatedairintakeandwastegasexhausttoaseparatedorcommonflue.
Waste-gasexhaustandcombustionaircomethroughdoublepipingdeliveredbytheboiler
producerwhichcanbeorderedinrequiredamountbytheproject(horizontalorvertical
exhaust)includingsealingcollars,roofreducingpiecesandsoon.
Basicrequirementsforwastegasexhaustfortheapplianceswithaburnerandforcedintake
ofcombustionairaresetbytechnicalrules.

–verticalpiping60/100:2,7m
–horizontalpiping60/100:3m
–whenadistributorandpipingforwastegasexhaustandairintakeof80mmareused,the
sumoflengthsofsinglecomponentsusedinthissystemmustnotbehigherthan10m
–each90°elbowinsertedshortensthelengthin0.75manda45°elbowshortensitin0.5m
–forverticalexhaustthrougharoofitisnecessarytouseacondensatecollector

Maximumlengthofwastegasexhaustpermittedbytheproducer:

Ø

Ø

Ø

27

AccessoriesofwastegasexhaustofATTACKKT,KSTboilers

Accessoriesofcoaxialwastegasexhaustof60/100mm
CodeName

PR37Prolongingpiece1mD60/100paint
PR38Prolongingpiece0,5mD60/100paint
PR39Flue60/100paint
PR4090°elbowD60/100paint
PR4145°elbowD60/100paint
PR42elbowwithflange+serviceopeningD60/100
PR43verticalflange+serviceopeningD60/100
PR44terminalpipeD60/100paint

Accessoriesofwastegasexhaustandairsuctionof ø80mm:

CodeName
PR45Exhaustandsuctionpipe1mD80
PR46Elongationpiece1mD80
PR47Elongationpiece0,5mD80
PR4890°elbowD80O/M

PR4945°elbowD80O/M
PR50flueD80
PR51verticaldistributorD60/100D80/80

Ø

28

Connectingaroomthermostat

Connectingacoaxialexhaustpipe.KT,KSTtype

Puttingtheboilerintooperation

Aroomthermostatisnotapartoftheboileraccesoriesbutcanbeconnectedintoaboiler
additionallybytherequestofacustomer.Thevoltageforswitchcontactsoftheroom
thermostatis230V/50Hz.Connectingoftheroomthermostatintotheboilerisillustrated
ontheconnectionchart.Connectingterminalsforthethermostatareinterconnectedbya
jumper.Afterconnectingtheroomthermostattotheterminals,thejumperisremoved.
Forthefunctionofaroomthermostatcanbeusedaroomregulatorwhichisconnectedtothe
OT1,OT2contactsoftheboiler.Thisregulatormustbecompatibleincommunicationwith
OPENTHERM(HoneywellCX51,CR11001...).ThevoltageontheOpenThermcontacts
OT1,OT2isunidirectional24V.

Combustionairsupplyandwastegasexhaustgothroughacoaxial90°elbowandacoaxial
1-m-longpipe.Theseorothernecessary90°and45°elboworelongationpiecesof0.5mand

1mcanbeboughtbyrequest.Themaximumlengthofcoaxialwastegasexhaustadmittedby
theproduceris3mhorizontallyand2.7mvertically,measuredfromtheboilertotheoutlet
onthefacadeortothebottomedgeoftheroofreducingpiece.Each90°elbowshortensthe
lengthin0.75manda45°elbowin0.5m.Thewholepressurelossofthepipingmustnotbe
biggerthan80Pa.Coaxialpipingmusthaveaslopeof3%totheboilerdownwards.

Puttingintooperation,checkingandsettingminimumandmaximumoutputoftheboileras
wellastherepairscanbecarriedoutonlybyfirmsauthorizedtothisandtrainedbythe
producer(listofthecontractservicepartnersisinthesupplement).

–checkwhethertheinstallationoftheboilerandaccessoriessuitstotheprojectandboiler
inspection
–checkthedeaerationoftheboilerandheatingsystem(theboltontheautomaticdeaerator
mustbereleased)
–checkthewaterpressureintheheatingsystem(minimumof1barinthecoldsystem)
–checkifthesafetyvalveisworking

–checktheconnectingtothegaspipelineaswellascontrolandsafetyelementsandtestthe
sealingofthegaspipelinefromthemainpipesealuptothefittingsintheboiler

–checkelectricsocketconnectingandelectroinstallationinspection
–checkthewastegasexhaust
–setupthegasvalveandtherightvalueofCO

–checkthefunctionofoperation

setappropriatepumpspeedandpressureintheheatingsystem
–testfunctionofballvalvespriortotheboiler
–getauseracquaintedwiththeboilerattendancewhichisconfirmedbytheuser´ssignature
ontheletterofguarantee
–writedownhavingputtheboilerintooperationtotheletterofguaranteeandinstructions
foruse

Dutiesofaserviceworkerwhenputtingtheboilerintooperation:

2

29

ChartofATTACKKTwiring

X1X12X11

N L

GND

X4

MMI

Rx

HL

1

4

361

9

8

16

1

6

5

10

P

CVBC

MMIDISPLAY

GND

PWM
TACHO

X1

X5X4

X2

X3

N

FS

24V

Trafo

L

X11

CVBC

T2
T1

PE

N
L

S4

S3
OT2
OT1

S2

L
N
R

PE

N

L

L

N

PE

230V/50Hz

2A

THERMOSTAT

JUMPER

FAN

NTC1

GND

Tx

S1

PC

2,2k

Jumper
Resistor

Ω

HL-emergencythermostat
FS-fluesensor
NTC1-Sensoroutletheatingwater
NTC2-Sensorreturnheatingwater
P-circulationpump
Fan
TS-pressuresensor
S1,S2-contactsofoutsidethermalsensor
OT1,OT2-contactsoftheOPENTHERMregulator
S3,S4-thermalsensorofhotwater
L,N,R-contactsofthree-wayvalveofhotwater230V

30

ChartofATTACKKSTwiring

X1X12X11

N L

GND

X4

MMI

Rx

HL

1

4

361

9

8

16

1

6

5

10

P

CVBC

MMIDISPLAY

GND

PWM
TACHO

X1

X5X4

X2

X3

N

FS

24V

Trafo

L

X11

CVBC

T2
T1

PE

N
L

S4

S3
OT2
OT1

S2

L
N
R

PE

N

L

L

N

PE

230V/50Hz

2A

THERMOSTAT

JUMPER

FAN

NTC1

GND

Tx

S1

PC

SP

GND

HL-emergencythermostat
FS-fluesensor
NTC1-Sensoroutletheatingwater
NTC2-Sensorreturnheatingwater
P-circulationpump
Fan
TS-pressuresensor
S1,S2-contactsofoutsidethermalsensor
OT1,OT2-contactsoftheOPENTHERMregulator
S3,S4-thermalsensorofhotwater
L,N,R-contactsofthree-wayvalveofhotwater230V
NTC3-sensoroftemperatureofhotwater
TV-driveofthethree-wayvalve
SP-sensorofhotwaterpassage

31

Setting-upagasvalve

Modulationoutputoftheboilerisfactorysetupandsuitstominimumaswellasmaximum
rotationsofthefan.BecauseoftherightworkingoftheboileritisnecessarytocheckCO
emisionsinwastegasformaximumandminimumoutputoftheboiler.
Howtocheckandsetup:
–turntheboileronwiththehelpofacableintoelectricalnetwork
–dismantlethefrontcoverandthecoverofclosingchamber
–checkthegaspressureintheinletbyrelasingthescrewofinletpressurecontrol.The
boilerisadjustedtoconnectingpressureofnaturalgasof20mbar.Afterchecking,tighten
thescrewup
–installtheprobeofwastegasanalyzerintothepipeofwastegasexhaust

–startthetestingmodeoftheboilerbypressingthebutton_______forlongerthan3
seconds.Withthe+/buttonsatthesymbol______setupthevalueof99correspondingto
maximumoutputoftheboiler
–turningthescrewwithaflatscrewdriversetupthevalueofCOto8.7%.Whenturningthe
screwclockwise,thevalueislowered(fig.No1)
–afterreachingthisvalue,withthebuttons+/atthesymbol_______setupthevalueof00

correspondingtominimumoutputoftheboiler
–turningthescrewoftheregulatorsetupthevalueofCOinwastegasto8.7%(fig.No2).
Whenturningthescrewclockwise,thevalueisincreased
–

–AfterstabilizingCOemisionsat8.7%,setupthevalueof99againwiththehelpof+/
buttonsatthesymbol_______andcheckwhetherthesetupvaluehasnotchanged

–Ifthereisachange,thevaluemustbecorrected.

Aftersettingupitisnecessarytomountthedismantledpartsonagain.

Fig.1SettingupCOformax.outputFig.2SettingupCOformin.output

2

2

2

2

22

Whenadjustingthescrewontheregulator,itisnecessarytousetheoriginal
screwdriverTORXTX40.Otherwisethescrewcanbedamagedandthereisno
guaranteeforthiskindofdamage

Ifthegasvalueissetupcorrectly,thevalueofCOformaximumaswellasminimum
outputisthesame,8.7%,andthisvaluecannotbechangedduring1minuteafter
repeatedcontrolformaximumandminimumoutputoftheboiler.

2

32

Othersetting-up

Characteristicsofcirculationpump

Maximumoutputoftheboiler

Installation

mode

Run-outofthepump

Startingoutput

Maximumoutputoftheboilercanbesetupintheinstallationmode(seechapter

,paramater14).Bythebuttons+/atthesymbol______setupanewmaximumoutput

oftheboilerinpercentageofmaximumboileroutputset-upinproduction.

Setting-upcanbefoundunderparameter12ofinstallationmode.Timeofrun-outisset-up
inseconds.

Startingoutputissetupbyparameter12oftheinstallationmodeandisdeterminedby
percentageofmaximumboileroutput.

Notes:

33

34

Notes:

35

RECORDONPUTTINGTHEBOILERTOOPERATION

Boilertype:...........................................................................

Boileroutput:......................................................................

ProductionNo.....................................................................

Dateofputtingtooperation:.............................................

Servicecompany:...............................................................

Date:...............................................................................

Date:.............................................................................

Date:.............................................................................

Stamp,signature

Stamp,signature

Stamp,signature

Stamp,signature

Obligatoryserviceexaminationafterthe1styearofoperation

Obligatoryserviceexaminationafterthe2ndyearofoperation

Obligatoryserviceexaminationafterthe3rdyearofoperation

N

SKCZATCHDKESFIFRGBGRIEITNLNOPTSE

Countryoftheappliancedelivery :

Producer:

Tel:[phone]
Fax:[phone]
E-mail:[email protected]
http: www.attack-sro.sk

ATTACK,s.r.o.
DielenskáKružná5
03861Vrútky
SLOVENSKO

KTKST

DOCUMENTontestingandcompletness

ofATTACKKT,KSTgasboiler

Boileroutput:7-25kW
BoilerproductionNo.:
Theproductdeliveredwiththiscertificatesuitstotechnical

standardsandtechnicalconditions.
Theproductwasmanufacturedbyitsdrawingdesigninrequested
qualityandisapprovedbyTECHNICALINSTITUTEFOR
TESTINGSKTC-104inPieš anyundertheNo.ofcertificate

512990027.
Technicalinspection

InVrútky,date:..................................................................................

Stampandsignatureofthefinalinspection:.....................................