

Puttingtheboilerintooperation
:
ATTACKNST,NSK-WALLGASBOILER
Theboilermustbeputintooperationbyaserviceworkertrainedbyproducer!
TheboilerissetbytheproducertonaturalgasG20,inletgaspressure2,0kPa.
Beforeinstallationandputtingtheboilerintooperationitisnecessarytoget
acquaintedwiththeinstructionforuse.
TheNSKboilerisequippedwithawaste-gasthermostat(B11Bs)
Beforefirstputtingintooperationitisnecessarytotakefollowingsteps:
Checkwhethertheheatingsystemisfilledwithwaterandtheboilerisdeareatedproperly.
1.
Makesureifallthevalvesareopen.
2.
Openthegasvalvenexttotheboilerandtestthesealingofthegaspipingintheboiler
3.
Procedureofthefirstboilerburning:
Plugthefeedingflexintothe230V/50Hzsocket.
1.
Testthesocketwithanotherappliance.Themainswitchoftheboilermustbeintheoff
position.
Thebuttonforsettingtheheatingtemperatureandaroomthermostat(if
2.
settomaximum.
Putthemodeswitchtotheposition.
3.winter
Checktheproperoperationofallthethermostatsandcontrolelements
4.
5.Settheboileroutputbytherequestofheatedplace.
connected)
ATTACKs.r.o.
Vrútky

Contents:
3Introduction
3Generaldescription
4Purposeofuse
4Conditionsofinstallation
5Conditionsofservice
5Technicaldescription
6Controlfrontboardoftheboiler
7Outsidedimensionsoftheboiler
8ThemainpartsoftheNSTboiler
9ThemainpartsoftheNSKboiler
10Connectingtheboilertowater,gas,electricity
10Supervisionoveroperation
11Waste-gasexhaust
11Spareparts
11Guarantee,reclamation
12Service
12Maintenance
12Wrapping,transport,storing
12Accessories,documentation
13Technicalparameters
Technicalmanual
14Installation,positioningandhangingoftheboiler
15Connectingtheboilertotheheatingsystem,tothehotwaterpipeline,gas
pipe-lineandpowernet
17Integratedsystemofboilercontrol
18Operation,hot-watermode,heatingmode,handlingthepumpand
circulation,antiblockingcapacityofthepump
19Anti-freezingcapacity,handlingtheventilatorandcontroloftheair
circulation,servicetestingfunctions,signallingofoperationalconditions
20Bertelliautomaticsfunctions
21Technicaldata
22Resistanceandtemperaturedependencechart
23Ignitionandionizationunit
24Technicaldataofignitionandionizationunit
25Defectsofignitionunit
26ThechartofNSTconnecting
27ThechartofNSKconnecting,pumpcharacteristics
28Settingminimumandmaximumoutput
29Notes
30Recordonputtingtheboilerintooperationandobligatoryserviceinspections

Introduction
Dearcustomer,
ThankyouforconfidenceexpressedbypurchasingourproductwallgasboilerATTACK
withsmoothelectronicoutputregulation.Wewishyoulongandreliableoperation,
thereforeyouneedtoreadthisinstructionforusecarefully.Themanualiswritteninthe
waytorespecttherightoperationoftheboilerincentralheating.
Theconditionsofrightoperationoftheboiler:
-choosetherighttypeandoutputoftheboiler
-impeccableputtingintooperation
-sensibleoperation
-regulartechnicalmaintenance
-reliableservice
Generaldescription
Thelatestproducedrangeofwallgasboilersisdesignedasanappliancewithmaximum
effectivityandminimumemissionsintoatmosphere,savingenvironmentconsiderably.The
outputisregulatedsmoothly,controlledbymicroprocessorinboththemodes(hotwater
mode,heatingmode)inalltheoutputrangeofboilersandismodifiedtoabuildingby
heatinglossandrequestforhotwater.Hightechnicallevelofboilersissupportedbyused
topcomponentsfromworldproducers.
NOTICE:
Fortherightworkingoftheboileritisnecessarytokeepaminimumwaterpressureof1
bar(measuredwhenthewateriscold)intheheatedsystem.
DescriptionofATTACKNST,NSKboilersbrand:
Modulated
boileroutput
8-24kWNST
Wallboiler
Withwaterheating
Turboversion
8-24kWNSK
Flueversion

Purposeofuse:
ThetyperangeofATTACKwallboilers(turboandflueversion)isproducedwith
modulatedoutputof8-24kW.Theyareusedforheatingorcentralheatingoffamily
houses,flats,shopsandsimilarplaceswherenaturalgasisusedasfuel.Theboilerisalso
equippedwithadeviceforwaterheating.
Astoinstallation,theboilerisbuilttooperatewithheatingwatertomaximumhydrostatic
pressureof0,3Mpa(3bar)andoperatingtemperatureto85°Cwiththeconnectionto
heatingsystemswithforcedflowofheatingwaterinaclosedsystem.Thewaterinthe
heatingsystemmustsuittoSTN077401(itmustnotbesourinanycase,whichmeansthat
thepH-valuemustbehigherthan7anditmusthaveminimumcarbonatehardness,max.
3,5mval/l).Fillingpressureincoldsystemisof11,5bar.Fillingmustbedoneslowlyto
letairbubblesescapethroughproperdeareatingvalves.Foradjustingthewaterhardnessin
theheatingsystemitisnecessarytouserecommendedagents.
therulesabove,thereisnoguaranteefordamagedcomponents.
Inthecaseofnotfollowing
Installationconditions:
Agasboilercanbeinstalledonlybyacompanyauthorizedtocarrythisworksonthebase
ofapproveddocumentationofaprojectantwhilerespectingadviceandnotesinthis
manual.Beforeinstallationtheinstallingcompanyisobligedtochecktherightchoiceof
theboilertypewithregardtothefunctionalattributesandrequiredparametres.Theboiler
hasacoveringofelectricpartsIP41thatisresistentagainstwaterdroppingvertically.
Thereforeitcanbeinstalledinbathroomsinzone3(inthedistanceof60cmfromtheedge
ofthebathorshowercorner).Theroomwheretheboilerislocatedmusthavethe
temperatureintherangeof+5to+35°Cwithrelativehumidityto80%.
Itisnotallowedtoplacethingsclosetotheboiler,inthedistanceof:
-100mmthingsfromhardandmediuminflammablematerials
-200mmthingsfromeasy-inflammablematerials
Thefirstputtingintooperationandtrainingoftheboileroperatorsmustbedonebya
contractservicepartneroftheproducerthatmakesregularmaintenanceaswellas
guaranteeandpost-guaranteeserviceoftheboiler.Tothesupplygaspiping,ahandygas
valvemustbeinstalledbeforetheboilerwhichmustbeapproachablebutisnotapartofthe
boileraccessories.Connectingtheboilertotheheatingsystemisthroughscrewjoints
G3/4“.HotwateraswellasgasinletisconnectedthroughscrewjointsG3/4“.Before
installingtheboileritisnecessarytomakesurethatthechosenplacefitstorequirements
forwastegasescapeandthatminimumdistancesbeforementionedarekept.Asthisboiler
isfast-heating,equippedwithitsownpump,itispossibletoconnectitwithgravity
circulationaswellastoanewsystemforforcedwatercircualtionintheheatingsystem.In
thecaseofnewdistributionswerecommendtousesmall-volumeheatingbodiesand
distributionsinthesmallestdimensionsbecauseoffastheatingofthesystemtothe
temperatureaswellasbigflexibilityofthesystem.Connectingtheboilertotheheating
systemandtothegasandhotwaterdistributionisnecessarytocarryoutsoasnottostrain
connectingoutletsoftheboiler.Beforeconnectingtheboilertotheheatingsystemitis
necessarytoflushitthoroughlytoremovesmallimpuritiesandmud.

Theheatingsystemmustincludeaproperfilter.Toutilizethemaximumoutputofthe
boileritisnecessarytoensureminimumpressureintheheatingsystemof1barforright
functioningandlonglifetime.Abuiltinexpansiontankenablesconnectingtheboilerto
closedheatingsystem.
magneticorelectromagneticwatertreatmentdevice.
gasof20mbarnominalpressureinthedistributionnet.Theboilerislocatedsoastoensure
necessaryoperatingconditionswhetheritisanappliancewithopencombustionchamber
(flue)orwithclosedcombustionchamber(turbo)andwithregardtothewaysof
combustionairsupplyandwastegasexhaust.
Onhot-waterinlettotheboileritisnecessarytoinstalla
Theboileristooperateonnatural
Conditionsofservice:
Theserviceoftheboilermustbecarriedoutbytherulesdescribedinthismanual.Except
serviceworks,theusermustnotcarryoutanyrepairsontheappliancenoradjustmentsor
dismountingandcleaningtheinsidepartsoftheboiler.Theboilercanbeoperatedonlyby
anadult.Afterleavinghomeinwinter(onholiday...)asupervisionbyatrainedpersonis
needed.Ifthereisadangerofapproachofinflammable(combustible)gasesorfumestothe
boiler(e.g.whenlyingaPVCflooring),itmustbeputoutofactionearly.Theuseris
obligedtotakecareofproperuseoftheboileraccordingtothisinstructionwhichisalsoa
conditiontoacknowledgeguarantee.Whenputtingtheboilertooperation,theservice
workermustinstructtheuseraboutboileroperating.
intheletterofguaranteeconfirmshavingbeeninstructedwiththeboileroperating.
Theuserwithhisorhersignature
Technicaldescription
Fast-heatingwallboilersATTACKNST,NSKareequippedwithcopperheat-exchangers
protectedonsurfacewithsiliconecoatingonthebaseofaluminium,resistentto430°C.
Theseareexchangerswithseparatedsystemstowarmuphotwaterandheatingwater.A
bigadventageofthisexchangerisplaceandweightsaving.Maximumoperationpressure
forheatingcircleis300kPa(3bar)by85°C,forhot-watercircle600kPa(6bar)by60°C.
Minimumoperationpressureis100kPa(1bar).Theheat-exchangerislocatedintheupper
partofcombustionchamberandisfittedwithanautomaticdeareatingvalve,whichleads
overclosingchamber.Forminimumlosesduringheattransmissionitisnecessarytokeep
thesurfaceofheat-exchangerlamellasclean.
Thesourceofheatisagasburnerofmodernunit-builtdesignmadefromstainlesssteel.It
islocatedinthebottompartofcombustionchamber.Therearetwoelectrodesintheburner.
Oneofthemisasparkingitionelectrode,anotherisainonizationprobeforburning
control.Combustionchamberismadefromaluminium-coatedsteelplatewithinside
thermalinsulation.Overthecombustionchamber(NST)isawaste-gascollectorwithafan
forwaste-gasdraw.Withthehelpofsiliconetubesisthefanconnectedtoaswitchof
differentialpressure(manostat).Intheflueversion(NSK)thereisadrawbreakerwitha
waste-gasthermostat.Intheupperpartoftheexchangertherearethermalprobesfor
heatingandhot-watersystem.Theinsidewaterpipingintheboilerismadefromcopper
pipes.Closingchamberoftheboiler(NST)ismadefromaluminium-coatedsteelplate.
Openingsintheclosingchamberaresealedwithsiliconeseal.Onhotwaterinletthereisa
water-passagesensorinstalled.Fast-heatingwallboilersATTACKNSTandNSKare
equippedwithautomaticsandcontinuousregulationofoutput.

Thecontrolcentreforcontrollingboileroperationisamodulationelectronicboard
equippedwithamicroprocessor.Sensorstateandvalueisscoredbysoftwarewhichalso
givesorderstoactiveelementsgasvalve,ignitionelectronics,circulationpump.Onthe
insidedistributionofheatingwateroutletthereisanemergencythermostat,pressureswitch
andpressuregaugesignallingthepressureintheheatingpiping.
Inthecasethetemperatureofoutgoingheatingwaterovercomes95°C,theemergency
thermostatputstheboilerinemergencyconditionfollowingbyputtingitoutofoperation.
Inthecasethepressureintheheatingsystemfallsunder1bar,thepressureswitchputsthe
boileroutofoperation.Ininsidedistributionofheatingwaterinletthereisa3-bar-safety
valveandacirculationpump.Inthebridgingofhotwaterinletandheatingwaterinlet
thereisaballvalveservingforfillingtheheatingsystemfromthedistributionnet.Inthe
rearpartoftheboilerthereisan8-literexpansiontankconnectedwiththepump.Outside
caseistreatedwithdustpaintwiththermalenduranceupto180°C.
Controlfrontboardoftheboiler
Operation
mode
switch
Signallight
Breakdown
Signallight
On
Signallight
Operation
Settingup
heating
Hot-watermode
Thermometer
Settingsup
hot-water
temperature
Central-heatingandhot-watermode
Pressuregauge
Reset
O
Off
Service
function
Thethermometerandpressuregaugetakethetemperatureandpressureintheheating
system.Withabuttonforsettingtheheatingtemperature,ausercansetthetemperatureof
waterintheheatingsystemintherangeof35-85°C.Therecommendedrangeis5585°C.Withacontrolbuttonforsettinguphot-watertemperature,ausercansetrequested
outlettemperatureofhotwaterintherangeof35-60°C.Signallightsignalsa
Breakdown
condition,whentheelectronicsdidnotmanagetoburntheboiler(e.g.becauseofgas
deliveryfailure).Returntooperationconditioncanbemadebybriefturningtheoperation
modeswitchintotherightextremeposition(reset)whencontrollingtheboileroperation.
Thesignallightsignalsburningoftheboiler.Thesignallightservesto
OperationOn
signallingofstartingtheboilermode.Theoperationmodeswitchhasthesepositions:
–theboileroff
–summeroperation(hot-waterpreparationon,heatingoff)
–winteroperation(hotwaterandheatingon)
–unblockingtheboilerbreakdown(reset)
–servicetestingfunction

Outsidedimensionsoftheboiler:
225NSK
183NST
Ventilator
Flue
700
60
140
355
50
110
D.H.W.
D.H.W.
445
290
380
Gas
C.H.
C.H.

MainpartsoftheNSTboiler:
.
Bar
3

MainpartsoftheNSKboiler
Bar
3

Connectingtheboilertowaterandgas:
D.H.W.inlet
1/2”
D,H.W.outlet
1/2”
Gasinlet
3/4”
C.H.outlet
3/4”
C.H.inlet
3/4”
Connectingtheboilertoelectricnet
Theboilerispluggedintotheelectricnetsocketwithasupplyleadwithaplug.Thesocket
mustsuittoappropriatestandards,variousmultiplugsandlenghteningcablesarenot
allowedtouse.Installationofthesocket,connectingthespacethermostatandserviceof
electricpartsoftheboilercanbeonlyperformedbyapersonwithspecialelectric
qualificationbythePublicNoticeNo.718/2002Z.z.Electricinstallationisreadyfor
additionalconnectionofroomthermostat.
Operationcontrol
Duringtheoperationtheboilerissecuredagainstdangerousoperationconditions.
However,thebreakdownsthecauseofwhichisnotincludedintheboilermechanism,
cannotbeprotectedtoarise.Thereforeitisnecessaryafterputtingtheboilertooperationto
examinetheboileronceinthreedaysandcheck:
–whetherthesystemisfilledwithwaterandthereisnodischarge
–whetherwastegasesorgascannotbesmelled
Foundbreakdownsmustbereportedtotheserviceworkerwhoputtheboilerto
operation.Ifthereisagasdischarge,thegassupplymustbeclosed.Foundbreakdowns
mustberemovedimmediately.

Waste-gasexhaust
WASTE-GAS
BEND COLLAR
EXTERNALWALL
COAXIALPIPE
1000mm
MIN.150mm
VENTILATORMANOSTAT
Waste-gasexhaustandcombustionaircomethroughdoublepiping(turboversion)
deliveredbytheboilerproducerwhichcanbeorderedinrequiredamountbytheproject
(horizontalorverticalexhaust)includingsealingcollars,roofreducingpieceandsoon.
Conditionsofwaste-gasexhaustoutletthroughtheexternalwall:
–theoutletmustprotrude150mmminimallyfromtheexternalwallofabuilding
–minimumheightoverthegroundtoaspacepubliclyinapproachableis1m
–minimumheightoverthegroundtoaspacepubliclyapproachableis2m
–theoutletmustnotleadtoanexplosiveandinflammablespace
–ifintheupdirectiontherearesomeinflammablematerialsonthebuilding,itisnecessary
tokeepverticaldistanceof1,5mfromtheoutlet
Maximumlengthofdoublewaste-gasexhaustpermittedbytheproducer:
–horizontalpipingof3mmeasuredfromthebendontheboilertotheoutletonthefacade
–verticalpipingof2,7mmeasuredfromtheboilertothebottomedgeofaroofreducing
piece
–each90°bendinsertedshortensthelengthin0.75manda45°bendshortensitin0.5m
Spareparts
Theproducerkeepssinglepartsofboilersassparepartswhichareprovidedforguarantee
andpostguaranteeserviceonlytocontractpartnersonthebaseoforderorreclamation.
Guarantee,reclamation
Theexactreadingofguaranteeandguaranteeconditionsandhintsforreclamationare
includedintheletterofguarantee.Repairsintheguaranteetimeareperformedonlyby
contractservices.
Attention!
Torespecttheconditionsofguarantee,theproducerdoesnotpermitperforminganyrepairs
byacompanyotherthanacontractorserviceintheguaranteetime.

Aftereachyearoftheoperationduringtheguaranteetimeitisnecessarytogettheboiler
examinedandadjustedbyacontractcompany.Untilthisisnotperformed,theguarantee
willnotbeadmitted.Evenafterfinishingtheguaranteetimetheproducerrecommendsany
interventionsaimingtorepairstobemadeonlybyacontractservicepartner.Theactivities
oftheboileruserinthepostguaranteetimearedeterminedinthepart„Maintenance“.
Maintenance
Regularmaintenanceisimportantforreliableworkingoftheboiler,longlifetimeand
combustioneffectivityoftheboiler.Theuserisrecommendedtocontactacontractservice
organizationnearbyandensureregularannualexaminations(seeconditionsforguarantee).
Aserviceworkercheckscontrolandsafetyelementsoftheboiler,gasandwater
distributionsealingorcleanstheburnerandexchangerfromburntdustparticles.For
faultlessoperationofheatingsystemitisnecessarytocheckregularlythepressureofwater
inheatingsystem(min.1bar,measuredwhenthewateriscold).Inthecaseoflower
pressureitisnecessarytorefillwaterintocoldheatingsystem.Theoutsidecoatofthe
boilercanbecleanedwitharagsoakedinsoapywaterandthendriedwithadryone.
Wrapping,transport,storing
Boilersaretransportedinverticalposition.Topreventpossibledamage,theyareprotected
byacartonwrapping.Thewrappingissecuredbyanadhesivetape.Theboilermustbe
storedinnon-aggressivespacewiththetemperatureof+5upto+50°Cinmaximum
relativehumidityofairof75%,withoutpresenceoforganicsteams,gasesanddust.
Boileraccessoriesanddocumentation
ATTACKNST,NSKboilersaredeliveredcompletelyassembliedandtestedfunctionally.
Thedeliveryincludesfollowingdocumentation:
–instructionforusewithadocumentonboilertestingonthebacksideoftheinstruction
–letterofguarantee,listofcontractpartners

Technicalparameters
Table
Max.min.outputofheating
Max.min.outputofhotwater
Gasconsumption-naturalgas
Effectivity
Electricalsupply
Controlofroomthermostat
Min.max.pressureinheating
Min.max.pressureofhotwater
Expansiontankvolume
Weight
Passageofhotwaterheatedin25°C
Passageofhotwaterheatedin35°C
Outletheatingtemperatureregulation
Outlethot-watertemperatureregulation
Waste-gasexhaustingdiameter
Forcedwaste-gasexhaustingdiameter
Electricinput
Connectinggaspressure
Electricstandard
Numberofnozzles
NozzlediameterNST
NozzlediameterNSK
Nox
CO
Fuel
kW
kW
3
m/hod
%
V/Hz
V
bar
bar
l
kg
l/min
l/min
°C
°C
mm
mm
W
mbar
-
pcs
mm
mm
ppm
ppm
-
24-8
24-8
0,9-2,7
9092
230/50
24
0,8-3
1-6
8
40
13
9
30-85
30-60
130
100/60
130
20
IP41
13
1,15
1,25
20-50
7-14
Naturalgas

TECHNICALMANUALFOR
ASSEMBLYANDSERVICECOMPANIES
Installationofboilers
Aboilercanbeinstalledonlybyacompanywithanappropriatecertificateforassemblyof
gasappliances.Connectingoftheboilermustalsosuittovalidstandards,rulesand
instructionforuse.
connecting.
Localizationofboilers
Localizationofboilersmustsuittoprojectdocumentation.Boilersaretobesituatedinthe
waytoensurealltheoperationconditionsneededforanappliancewithopencombustion
chamber(flue)aswellasforclosedcombustionchamber(turbo)withregardtothewayof
combustionairsupplyandwastegasexhaust.Fromthesidesofboilerstheremustbefree
accessofatleast0.2mandinfrontofboilersof1mforassemblyandservice.Boilers
mustbeinstalledatleast0.1moverthefloor.Theflueversionhasanopencombustion
chambersoittakesairforcombustiondirectlyfromtheroomwheretheboilerisplaced.
Theroomcanbeventilatedthroughventilatingopeningsintosurroundingatmosphereor
indirectlythroughneighbouringrooms.Theneighbouringroom,wheretheairissucked
from,mustnotbeabedroomorapartofthehousewherethereisdangeroffiree.g.store
ofinflammablematerialsoragarage.
Hangingboilersonthewall
Theproducerisnotresponsiblefordamagescausedbywrong
Mountingboilersonthewallmustbeperformedonthebaseofqualifiedassessmentofthe
wallbearingcapacity(byaprojectworkerorassemblycompany)soastoguaranteesafe
andreliablehangingofboilers.Boilersarenecessarytomounttothewallwithasuitable
connectingmaterial(e.g.screwsanddowels)regardingthequalityofthewall.
300
150150
580
50

Connectingboilerstoheatingsystem
ATTACKboilersserveforheatingsystemswithforcedcirculation.Rateofwaterflowcan
besetbytheswitchonthepump.Beforefillingtheheatingsystemwithwater,itis
necessarytocleanthesystemproperly.Heatersanddistributionmustbewashedseveral
times.Forthoroughwashingandcleaningtheheatingsystemwerecommendtouse
cleaningagents.Ontheinletfromheatingsystemandhotwatertoboilers,filtersmustbe
mounted.Werecommendbrassfilterswithsidecleaning.Thefiltersmustbecleanedonce
ayearminimally.Maintenanceoftheboileriseasierwhenontheinletaswellasonthe
outletofheatingthereisavalve.Inthehot-watercircuit,thevalveisrecommendedto
mountintheinlettotheboilerbeforethefilter.Filtersandballvalvesarenotdeliveredas
boileraccessories.Cloggedfilterscancausehighernoisinessofboilers.Outletfromsafety
valveisnecessarytoconnecttodischargepiping.
cloggingtheexchangerorpumpbyimpuritiesfromthesystem.
Thehardnessofwaterintheheatingsystemisnotrecommendedhigherthan3.5mval/l.In
boilersthereisan8-litrepressureexpansiontankenablingconnectingtoaclosedheating
system.Ifitisrequiredbythesizeoftheheatingsystem,itisnecessarytomountanother
pressureexpansiontank.Therecommendedtemperaturedifferencebetweenoutcomingand
incomingheatingwaterfromaboileris15-20°C.Forreconstructionofheatingoranew
systemwerecommendsmall-volumeheatersanddistributionsinthesmallestdimensions
regardingtofastriseofthesystemtothetemperatureandquiteabigflexibilityofthe
system.Processofwaterfilling:whenfillingwithwater,boilermustbedisconnectedfrom
electricity,deareatingvalvesontheboilerandheatingsystemmustbeopen.Setthesystem
tothepressureof1bar,thendeareateandsettothepressureagain(1.5barwhenitiscold).
Guaranteedoesnotapplytothecasesof
Connectingtowaterpiping
Maximumpermittedoverpressureofwaterfrompipingis6bar.Usersofboilersare
remindedtopayhighattentiontothequalityofwaterusedtoheatingsystemandwater
heating.Ontheinletofhotwatertoaboilertheremustbeamagneticorelectromagnetic
watertreatmentdeviceinstalled.
Guaranteedoesnotapplytothecasesofincrustationoftheheatexchangerorpump.
Connectingboilerstogaspipeline
Beforeconnectingaboilertothegaspipeline,thepipelinemustbetestedandadjusted.
Afterconnectingtoaboiler,allthegasconnectorsmustbetested,includingpipingand
fittingsintheboiler.Boltedconnectionsofthegaspipelineaswellasthoseofthewater
pipingandheatingwaterpipingmustnotbestressedbyanyadditionalforce.

Connectingaspatialthermostat(regulator)
Aspatialthermostatisnotapartofboileraccessoriesbutitcanbeconnectedintoaboiler
bytherequestofacustomer.Voltageforswitchcontactsofthespatialthermostatis24V.
Connectingofthespatialthermostatintotheboilerisillustratedontheconnectionchart.
Connectingterminalsforthethermostatare
interconnectedbyajumper.Afterconnectingthespatialthermostattotheterminalsthe
jumperistoberemoved.
Connectingtoaflue.NSKversion
ATTACKNSKboilersintheflueversionareconnectedtoafluewithanexhaustbranchof
130mmdiameter.Connectiontothefluemustbedonebytheappropriaterules.
Connectingofcoaxialpipe.NSTversion
Airinletforcombustionandfluegasexhaustiscarriedoutbypipeinpipeelbow90°and
pipeinpipe1mlong.Additionalaccessories90°and45°albowsorpipes0,5and1mlong
ispossibletopurchaseonrequest.
coaxialwastegasexhaustis3mhorizontallyand2,7vertically,measuredfromtheboilerto
theoutletonthefacadeortothebottomedgeoftheroofreducingpiece.Each90°bend
shortensthelenghtin0.75manda45°bendin0.5m.Thewholepressurelossofthepiping
mustnotbebiggerthan80Pa.Coaxialpipingmusthaveaslopeof3°fromtheboilerout.
Themaximumlenght,admittedbytheproducer,of
Puttingtheboilerintooperation
Puttingintooperation,checkingandsettingminimumandmaximumoutputoftheboileras
wellastherepairscanbecarriedoutonlybyfirmsauthorizedtothisandtrainedbythe
producer(listofthecontractservicepartnersisinthesupplement).
Dutiesofaserviceworkerwhenputtingtheboilerintooperation:
–checkwhethertheinstallationoftheboilerandaccessoriessuitstotheprojectandboiler
inspection.
–checkthedeaerationoftheboilerandheatingsystem(theboltontheautomaticdeaerator
mustbereleased)
–checkthewaterpressureintheheatingsystem(minimumof11.5barinthecoldsystem)
–checkifthesafetyvalveisworking
–checktheconnectingtothegaspipelineaswellascontrolandsafetyelementsandtestthe
sealingofthegaspipelinefromthemainpipesealuptotheburnerintheboiler
–checkelectricsocketconnectingandelectroinstallationinspection
–checkthewastegasexhaust
–checktheflueinspection
–checktheminimumandmaximumoutputbymeasuringthepressureonburnernozzles
–settheoutputoftheboilerbyathermallossoftheheatedplace
testtheregulationofheating
–

–checktheoperationofsummerandwintermode,regulationofhot-waterheating
–setappropriatepumpspeedandpressureintheheatingsystem
–testfunctionofballvalvesbeforetheboiler
–getauseracquaintedwiththeboilerattendancewhichisconfirmedbytheuser´s
signatureintheletterofguarantee
–writedownputtingtheboilerintooperationtotheletterofguaranteeandinstructionsfor
use
IntegratedcontrolsystemofboileroftypeAM56IMS02code16562
Description:
ControlautomaticsoftheAM56IMS02typeforhanginggasboilerswith
instantaneouswaterheating,doubleheatexchangerandautomaticignition.
Controlfunctionsofautomaticsincludeignitionofflame,itscontrolandsmooth
modulation.Automaticshastwofunctionalunits:
–burnercontrolunit(ACCF)
–flamecontrolandmodulationunit(CMF)
Generalproperties:
–signallingofworkingandbreakdownswiththehelpofLEDlightsontheboard
–eliminationofdisturbingcausedbyignitionandcontactswitching
–controlofacirculationpumpwitharun-outfunctionaftertherequestforheating
–controlofaventilatorandairflowwitharun-outfunction
–earthingconnectorontheboard
–2Afuseontheboard
–connectingthephase,neutralconductorandearthingontheentrywiththehelpof
connectorontheboard
–connectingthespatialthermostatwiththehelpofconnectorontheboard
–connectingtheemergencythermostat
–optionofoperationmodeandresetbyaswitchontheboard
–stoppingtheburnerinthecaseofprimarythermalsensorfailure(breakdownorshort)
–manualreset
Sectionofflamemodulation
–settingtheboilermodebyP1switchontheboard
–settingstartingoutputwiththehelpofP5trimer
–settingcentralheatingandhotwatertemperaturewithpotentiometersontheboard
–controlofhotwatertemperaturewithathermalsensorontheoutlet
–controlofheatingtemperaturewithathermalsensorontheoutlet
–anti-fastcyclingfunctionintheheatingmodewhichcanbesetto180secondsor
cancelled(byinsertingajumper)withJP3ontheboard
–settingtheburneroutputintheheatingmodewithP4trimerontheboard

Operation
Hot-watermode
Hot-watermodeisswitchedonbyaninformationfromthewaterpassagesensorwhenthe
passageisbiggerthan3l/min.Afteropeninghotwater,thecirculationpumpoftheheating
circuitstops.Startingoutput(setupbyresistancetrimerP5)iskeptafterburningtheboilerin
thetimeoftwoseconds.ThentheboileroutputiscontrolledbyPIDregulationbythe
passageandtemperatureofhotwatertoreachthesettemperatureassoonaspossible.When
thewaterpassagedropsunder2.5l/min,theoperationphaseofhotwatermodefinishes.If
thesetuptemperatureintheheatingmodeisover55°Cbythepassageofhotwaterof3
l/min,thistemperaturewillbelimitedto50°Ctopreventincrustationintheheatexchanger.
Iftheoutlettemperatureofhotwaterreaches70°C,theburnerisoff.Afterfinishingthe
requestforhotwaterthepumpstartsworkingtolimitincrustation.Run-outtimeofthepump
changesfrom0.4to2secondsdependingonthetemperatureintheheatingcircuitinthetime
ofrequestforhotwater.Inthecaseofparallelrequeststhehotwatermodeispreferredto
heatingmode.IftheJ5jumperispositionedintheONposition,therun-outofthepumpat
theendoftherequestforhotwaterisalways2seconds.
Heatingmode
Operationphaseintheheatingmodestartswhenaspatialthermostatputsarequestforheat
andtheoperationswitch(P1potentiometerontheboard)isintheposition.Thepump
andventilatorareactivatedandafterverifyingairflow,theburnercontrolunitisactivated.
Startingoutputiskeptinthetimeoftwosecondsafterburningtheboiler.Thentheboiler
outputiscontrolledbyPIDregulationuntilthesettemperatureforcentralheatingisreached.
Inthecasethewaterovercomesthesetvaluein5°C,theburnerisoff.Theburnerisreignited
bythetemperature5°Clowerthansetvalueuntiltheanti-fastcyclingtimeisover.Theantifastcyclingfunctionisoveruntilthecontactsoftheroomthermostatarebrokenand
switched.WhentheJP4jumperissettoONposition,therangeoftemperaturesisloweredto
valuessuitableforfloorheating.
Note:Alwaysmustbeusedanappliancelimitinghightemperature(toprotectfloorheating)
winter
Pumpcontrolandcirculation
Thepumpstartsinthemomentoftherequestforheatingorhotwater.Attheendofeach
requestforheatingthepumpkeepsworkingfor180smore.Ifafterworkingtimetheboiler
signalsafailureinheatingmode,thepumpworksonallthetimeasarun-outintheheating
mode.
Anti-blocking-pumpfunction
After24hoursofnotworkingthepumpisactivatedto150s.Afterbreakingelectrical
supply,thefirstcycleofanti-blocking-pumpfunctionstartsafter3hoursofnotworking.

Ifathermalsensoroftheheatingcirculationfindsadecreaseoftemperatureofunder6°C,
thepumpisactivatedandburnerstartswithminimumoutput.Thislastsuntilthe25°C
temperatureisreachedandthentheanti-freezingfunctionstopsworking.Thisfunctionis
activeevenwhentheoperationswitchisinSUMMERpositionandinemergencymode
(stand-by).Ifthereisafailureintheboiler,onlypumpisactivated.
Controlofventilator,airflowandwastegas(NSTversion)
Ifthereisarequestforignition,burningautomaticsatfirstteststheconditionofmanostat.
Ifitisinastillposition,burningautomaticsswitchesthewastegasexhaustventilator.Ifthe
ventilatorisoperatingandtheexhaustisclear,themanostatswitchesintoworkingposition
andtheboilerisburned.Differencepressuremustbeover80Pa.
Aftereachblowingouttheventilatorkeepsworking20secondsmore.
Thetypewithopencombustionchamber.(NSKversion)
Inthisversion,ifthereisarequestforheat,theburnercontrolunitisactivatedafter
activatingthepumpandverifyingthewaterpassage.Inthecaseoffailure(rising
temperaturebecauseofwrongwastegasexhaust)thewastegasthermostatbreakscontacts,
theburnerblowsoutandafailureissignalled.Reignitionisnotpossiblefor30minutes.
Thistimeperiodcanbecleared(reset)withtheoperationswitch.
Servicetestingfunctions
Ifthisfunctionischosen,theboilerstartsworkingintheheatingmodetothemaximum
outputoftheburnerandmaximumtemperatureoftheheatingwater(80°C).Theburneris
offafterreachingthemaximumswitch-offtemperature(85°C).Ifthereisarequestforhot
water,thisfunctionisinterruptedandtherequestispostponed.Thisfunctioncanlast15
minutesmaximallyandthenitisnecessarytoswitchtheoperationswitchtosomeofother
functionsandthenbacktothisfunction.
Signalling
RedLEDGreenLED1GreenLED2
BoileroffXOFFX
BoilerinemergencymodeOFFONOFF
Breakdown-ignitionmodeONONOFF
Breakdown-overheating
Parasiticflame,errorinACCFunitONLONONL
NowaterpressureONONOFF
LackofairWastegasthermostatopenONLAONONLA
SensordamagedOFFONONL
FlamepresenceOFFONON
ON=lightingX=alltheerrorsignallingspossible
ONL=flickering
ONLA=flickeringalternately
OFF=nolighting
1919

FunctionsoftheBERTELLIautomaticsinMAXIMUSRZT,RZKboilers
Ifthespatialthermostatisnotconnected,
Ifthespatialthermostatisconnected,
during180seconds.
thepumpkeepsworkingeveniftheboilerisoff.
thepumpisinoperationafterswitchingofftheboiler
BrokenSwitched
naturalgasLPG
JP1
JP3
anti-cyclingfunction-waitingfor180s
betweenswitchingoffandon
heatingwaterbysetup
JP4
Run-outofthepumpfor0,4-2sbythe
JP5
temperatureofheatingwater
Anti-cyclingfunction
Timeofanti-cyclingbeginswhenthetempearuteofheatingwaterovercomesthe
temperaturesetupbytheboilerorspatialthermostatin2-3°C.Beforethat,theouputhas
beenmodifiedtominimumbymicroprocessorandthengasinletwasstopped.Duringthis
timetheboilerisoffandmustnotbeswitchedondespitetheheatingwaterhavingbeen
cooled.Anti-cyclingtimeintherangeof0to180secondsissetupbyJP3jumper.Normal
burningbeginswhentheanti-cyclingtimeisover.Thisfunctionpreventstheboilerworking
inasmallcircuit(e.g.closedheatingvalves)toburnandturnout.Ifthereisarequestfor
hotwaterduringthistime,theimmediateburningonstarts.Short-circuitingofJP3jumper
causesdisablingofthisfunction.Theboilerthenreactswithoutstopping,burnson
immediatelyafterdroppingthetemperatureofheatingwater(ifthespatialthermostatison).
switchedonimmediatelyafterdroppingthe
heatingwatertemperatureundersetuplevel
floorheatig-watchingthetemperatureof
ofheatingwater-40°Cmaximally
run-outofthepumpafterhot-water
heatingisalwaysfor2s
Run-outofthepump
Therun-outtimestartsinthemomentofswitchingofftheboilerbythethermostat.Atthe
endofeachrequestforheating,thepumpstaysinoperationfor180secondsmore.Therunoutofthepumphas2importantfunctions:
–itcoolsheat-exchangertopreventoverheating
–intherun-outtime,thetemperaturedifferencesonheatingbodiesareequalized
Therun-outofthepumpbytherequestforhotwaterissetupbyJP5jumper.Whenthe
jumperisinOFFposition,therun-outis0.4-2seconds,inONpositiontherun-outis
always2seconds.
20

Technicalparameters
Supply
Supplyvoltage
Innerfuse
Groundresistance
Contactloading
Outlettomainvalve
Outlettopump
Outlettoventilator
Functionalparamaters
Operationtemperaturerange
Rangeofsetupofhot-watertemperature
Startingtemperatureforfunctionoflimitinghot-waterheating
Rangeofheatingtemperaturesetup
Rangeoffloor-heatingtemperaturesetup
Switching-offheatingtemperautre
Switching-onheatingtemperature
Operationthermostattemperature
Timingfunctionagainstrepeatedstarting
Switch-ontemperatureofanti-freezingfunction
Switch-offtemperatureofanti-freezingfunction
Slow-ignitiontiming
Supplytoamodulatornaturalgas
SupplytoamodulatorLPG
Powerregulationrangeforslowignition
Powerregulationrangeformaximumheatingoutput
230V+10%-15%
2AF250VAC
10m
230V0,1AMAXcos0,4
230V0,4AMAXcos0,4
230V0,35AMAXcos0,4
-20°C/+60°C
+35/+60°C
70°C
+30°C/+80°C
+20°C/+40°C
+35°C/+85°C
+25°C/+75°C
10K
0alebo180sek
6°C
25°C
2sek
45-220mA+-7,5%
65-310mA+-7,5%
0-80%Imax
0-100%Imax
Thermalprobes
Electricparameters
Resistanceby25°C
B(2580°C)
Insulationresistance
10k+-1%
3435+-1%
10mA500VDC
RRT=TOxe
RT-resistancebyrequestedtemperature
RTO-resistanceby25°C
T,TO-temperatureinK
1
x()B
TT10
1

Tableofrelationbetweenresistanceandtemperature
ResistanceTemperatureResistanceTemperatureResistanceTemperature
°Ck
°Ck
°Ck
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
10
11
12
13
14
15
111,3
105,7
100,5
95,52
90,84
86,43
82,26
78,33
74,61
71,10
87,77
64,51
61,64
58,68
55,97
53,41
50,98
48,68
46,50
44,43
42,47
40,57
38,77
37,06
35,44
34,48
32,96
31,52
30,16
28,85
0
1
2
3
4
5
6
7
8
9
27,62
26,44
25,32
24,25
23,23
22,27
21,34
20,46
19,63
18,83
18,07
17,34
16,65
15,98
15,35
14,75
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
14,17
13,62
13,09
12,59
12,11
11,65
11,21
10,79
10,39
10,00
9,63
9,27
8,93
8,61
8,30
8,00
7,71
7,44
7,18
6,92
6,68
6,45
6,23
6,01
5,81
5,61
5,42
5,24
5,06
4,89
4,73
4,57
4,42
4,28
4,14
4,01
3,88
3,75
3,64
3,52
3,41
3,30
3,20
3,10
3,01
2,91
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
2,83
2,74
2,66
2,58
2,50
2,43
2,35
2,29
2,22
2,15
2,09
2,03
1,97
1,92
1,86
1,81
1,76
1,71
1,66
1,62
1,57
1,53
1,49
1,45
1,41
1,37
1,33
1,30
1,26
1,23
1,20
1,17
1,14
1,11
1,08
1,05
1,02
1,00
0,97

Ignitionandionizationunit(ACCF)
Definition
ElectronicalapplianceforcontrolofflamebytheES298,fordirectignitionoftheburner
bydischargesparkandmonitoringpresenceofflamewithionizationelectrode.
Heating,timeschedule
t1=0,5stypically,t2=0,5to1stypically(dependsonheatingsystem,
notthecontrolboardfunction)
t3=run-outofthepump,t4=run-outoftheventilator

Technicalparameters
Flamedetection
Minimumionizationcurrent
Maximumlengthofionizationcable
Maximumparasiticcapacity
Minimumresistanceofionizationelectrodeandcabletoground
Short-circuitcurrent
Thecircuitmeasuringamplifiersensitivity
M10
A
D
>1.2uA
1m
1nF
50m
>200uA
M11
Tableofvalues(230V~50Hz):
ŠtartONPrevádzkaONPrevádzkaOFF
Ionizač nýprúd
I(uA´)<0.6+-10%>1.2+-10%>0.9+-10%
OdporplameňaR(m)>140+-10%<70+-10%<95+-10%
Ignition
Ignitionvoltage
Distanceofignitionelectrode
Frequencyofsparklerepeating
Maximumlenghtofignitioncable
Ignitiontransformer
Workingprogrammandtimes
Autotesttime
Safetytime
Manufacturingtoleranceofsafetytime
Reactiontimeofswitch-off
Basicfunctionalcharacteristics
–detection,polarity
–interruptedrun(interruptionevery24hoursatleast)
automaticreset
2,2s+15%/-10%A230V~25°C
8s+10%/-15%A230V~25°C
16kVcca(záťaž40pF)
R
4mm(max)
10Hz
1m
typb&p
10s
<1s

Workinginthecaseoffailure
-Ifthereisflamesimulation,ignitionisstopped
Note:
IfCMFunitfindsflamesimulation,itreportsanomalyandifthissituationlasts
longerthan15seconds,therequestforheatisstopped(itisswitchedoffbyarelay).Anew
tryforignitioncanoccuronlyafterresettingthesystemwiththeoperationmodeswitch.
Repeatedcyclinginthecaseofflamefailureduringoperation
–
Thefailurethatcanberemediedbyswitchingoffandonthemainsupplyofpowerif
–
theflameisnotpresent
Note:
TheCMFunitcanresolvethebreakdowncausedbyignitionfailurebecauseof
switchingoff,whenthehighesttemperaturewasovercome.Theunitinducesappropriate
anomalyandswitchessofftherelayrequestsforheating.Anewattemptforignitioncan
startafterresettingthesystembytheoperationmodeswitch.
Functionalfailure:Overheating

CHARTOF“ATTACKNST”CONNECTING
+
ELECTRIC
SUPPLY
PHASENEUTRALCONDUCTOR
JP1
P2 P3P1
P4
P6
BLUE
BROWN
P5
JP4
JP5
JP3
EMERGENCY
THERMOSTAT
GASFITTINGS
P1OperationmodeswitchJP1Fuelsetting
P2HeatingtemperaturesettingJP2
P3WatertemperaturesettingJP3Anti-fastcyclingtimer
P4Max.outputtoheatingsystemJP4Settingtofloorheating
P5StartingoutputJP5Pumprun-outsetting
P6NotusedJP6
BROWN
BLUE
BLUE
BROWN
IONIZATION
ELECTRODE
PUMP
VENTILATOR
IGNITION
ELECTRODE

CHARTOF“ATTACKNSK”CONNECTING
+
JP1
ELECTRIC
SUPPLY
NEUTRALCONDUCTOR
PHASE
BROWN
BLUE
IONIZATION
ELECTRODE
PUMP
P2
P4
P6
P5
JP4 JP3
JP5
PUMPCHARACTERISTICS
Wilo RS15/6-3PPN10
CondenserMOTORrevolutionsP1CurrentThreatWeightPitch
uFlevelsrev/minWAkgmm
11450460,2
2,621900670,32,00130
32200930,4
MODRÝ
HNEDÝ
EMERGENCY
THERMOSTAT
P3P1
GASFITTINGS
3/4”
IGNITION
ELECTRODE
27

Settingminimumandmaximumboileroutputintoheating
Modulationregulatoronthegasfittingsissetfromproductiontominimumandmaximum
pressureonnozzlesthatsuitstominimum(8kW)andmaximum(24kW)boileroutput.
Whenputtingboilertooperation,itisnecessarytocheckminimumandmaximumgas
pressureonthenozzles.
Instructionforcheckingandsettingup
–releasetheboltintheprobeformeasuringinletgaspressure,connectmanometerand
readthemeasuredvalue(2mbar).Screwintheboltintheprobeformeasuringinletgas
pressure.
–releasetheboltintheprobeformeasuringgaspressureonburnernozzles,connect
manometerandreadthemeasuredvaluebythechartofpressuresetting.
–inthecaseofsettingminimumandmaximumpressureonnozzles,followingactionsare
tobedone:
a)removethecoverofmodulationregulator
b)setthemodeswitchonthecontrolboardtotheheatingandhot-watermodeandtheP4
trimerlocatedontheelectricboardsettotherightextremeposition(minimumoutputto
heating)andwiththehelpofmanometertakeoutletpressureonnozzles
c)ifnecessary,setminimumpressureonnozzleswithnutonthemodulationregulator
d)turntheP4trimertowardstheleftextremepositionwherebyraisetheboileroutputto
heating,readthemeasuredvalueofoutletpressureonnozzlesandcomparethevalue
withthechartofrelationshipbetweentheboileroutputandgaspressureonnozzles
e)maximumoutputof24kWcanbesetbyturningthenutonthemodulationregulator
f)disconnectthemanometerandclosetheprobebyscrewingthebolt
g)attachbackthecoverofmodulationcoil
h)checkrightoperationoftheboiler
B
A
Chartofsettingpressureonnozzles
25
20
15
OutputkW
10
5
12534678910
B
wrenchNo.5)
A
wrenchNo.8)
Modulation
regulator
Measuringgas
pressureonnozzles
Inletgaspressure
measuring
12
11
13140
Naturalgas(mBar)
SettingMINandMAXoutput
onthe"NST"boiler,1,15nozzle
SettingMINandMAXoutput
onthe"NSK"boiler,1,25nozzle

Notes:

RECORDONPUTTINGTHEBOILERTOOPERATION
Boilertype:
Boileroutput:
ProductionNo.
Dateofputtingtooperation:
Servicecompany:
....................................................................................
................................................................................
...............................................................................
........................................................
..........................................................................
Stamp,signature
Obligatoryserviceexaminationafterthe1styearofoperation
Date: .......................................................
Stamp,signature
Obligatoryserviceexaminationafterthe2ndyearofoperation
Date: .......................................................
Stamp,signature
Obligatoryserviceexaminationafterthe3rdyearofoperation
Date: .......................................................
Stamp,signature

DOCUMENTontestingandcompletness
ofATTACKgasboiler
NSTNSK
Boileroutput:8-24kW
BoilerproductionNo.:
.
Theproductdeliveredwiththiscertificatesuitstotechnical
standardsandtechnicalconditions.
Theproductwasmanufacturedbyitsdrawingdesigninrequested
qualityandisapprovedbyTECHNICALTESTINGFACILITY
SKTC104inPiešťanyundertheNo.ofcertificate00846/104/2/2002,
00847/104/2/2002
Technicalinspection
N
Vrútky,date:.....................................................................................
Stampandsignatureofthefinalinspection:.....................................
Producer:
TERMOGAS
DielenskáKružná5
03861Vrútky
SLOVAKIA
Exporter:
ATTACKs.r.o.
DielenskáKružná5
03861Vrútky
SLOVAKIA
Tel:00421434003103
Fax:00421434003106
E-mail: export@attack-sro.sk
http: www.attack-sro.sk
www.termogas.sk