gerkros Attack NST User manual

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

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

3
Modulated
boileroutput Wallboiler
Withwaterheating
Turboversion
Flueversion
8-24kWNST 8-24kWNSK
4
Purposeofuse:
Installationconditions:
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.
Agasboilercanbeinstalledonlybyacompanyauthorizedtocarrythisworksonthebase
ofapproveddocumentationofaprojectantwhilerespectingadviceandnotesinthis
manual.Beforeinstallationtheinstallingcompanyisobligedtochecktherightchoiceof
theboilertypewithregardtothefunctionalattributesandrequiredparametres.Theboiler
hasacoveringofelectricpartsIP41thatisresistentagainstwaterdroppingvertically.
Thereforeitcanbeinstalledinbathroomsinzone3(inthedistanceof60cmfromtheedge
ofthebathorshowercorner).Theroomwheretheboilerislocatedmusthavethe
temperatureintherangeof+5to+35°Cwithrelativehumidityto80%.
-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.
Inthecaseofnotfollowing
therulesabove,thereisnoguaranteefordamagedcomponents.
Itisnotallowedtoplacethingsclosetotheboiler,inthedistanceof:
Introduction
Generaldescription
DescriptionofATTACKNST,NSKboilersbrand:
Dearcustomer,
ThankyouforconfidenceexpressedbypurchasingourproductwallgasboilerATTACK
withsmoothelectronicoutputregulation.Wewishyoulongandreliableoperation,
thereforeyouneedtoreadthisinstructionforusecarefully.Themanualiswritteninthe
waytorespecttherightoperationoftheboilerincentralheating.
Theconditionsofrightoperationoftheboiler:
-choosetherighttypeandoutputoftheboiler
-impeccableputtingintooperation
-sensibleoperation
-regulartechnicalmaintenance
-reliableservice
Thelatestproducedrangeofwallgasboilersisdesignedasanappliancewithmaximum
effectivityandminimumemissionsintoatmosphere,savingenvironmentconsiderably.The
outputisregulatedsmoothly,controlledbymicroprocessorinboththemodes(hotwater
mode,heatingmode)inalltheoutputrangeofboilersandismodifiedtoabuildingby
heatinglossandrequestforhotwater.Hightechnicallevelofboilersissupportedbyused
topcomponentsfromworldproducers.
Fortherightworkingoftheboileritisnecessarytokeepaminimumwaterpressureof1
bar(measuredwhenthewateriscold)intheheatedsystem.
NOTICE:

3
Modulated
boileroutput Wallboiler
Withwaterheating
Turboversion
Flueversion
8-24kWNST 8-24kWNSK
4
Purposeofuse:
Installationconditions:
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.
Agasboilercanbeinstalledonlybyacompanyauthorizedtocarrythisworksonthebase
ofapproveddocumentationofaprojectantwhilerespectingadviceandnotesinthis
manual.Beforeinstallationtheinstallingcompanyisobligedtochecktherightchoiceof
theboilertypewithregardtothefunctionalattributesandrequiredparametres.Theboiler
hasacoveringofelectricpartsIP41thatisresistentagainstwaterdroppingvertically.
Thereforeitcanbeinstalledinbathroomsinzone3(inthedistanceof60cmfromtheedge
ofthebathorshowercorner).Theroomwheretheboilerislocatedmusthavethe
temperatureintherangeof+5to+35°Cwithrelativehumidityto80%.
-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.
Inthecaseofnotfollowing
therulesabove,thereisnoguaranteefordamagedcomponents.
Itisnotallowedtoplacethingsclosetotheboiler,inthedistanceof:
Introduction
Generaldescription
DescriptionofATTACKNST,NSKboilersbrand:
Dearcustomer,
ThankyouforconfidenceexpressedbypurchasingourproductwallgasboilerATTACK
withsmoothelectronicoutputregulation.Wewishyoulongandreliableoperation,
thereforeyouneedtoreadthisinstructionforusecarefully.Themanualiswritteninthe
waytorespecttherightoperationoftheboilerincentralheating.
Theconditionsofrightoperationoftheboiler:
-choosetherighttypeandoutputoftheboiler
-impeccableputtingintooperation
-sensibleoperation
-regulartechnicalmaintenance
-reliableservice
Thelatestproducedrangeofwallgasboilersisdesignedasanappliancewithmaximum
effectivityandminimumemissionsintoatmosphere,savingenvironmentconsiderably.The
outputisregulatedsmoothly,controlledbymicroprocessorinboththemodes(hotwater
mode,heatingmode)inalltheoutputrangeofboilersandismodifiedtoabuildingby
heatinglossandrequestforhotwater.Hightechnicallevelofboilersissupportedbyused
topcomponentsfromworldproducers.
Fortherightworkingoftheboileritisnecessarytokeepaminimumwaterpressureof1
bar(measuredwhenthewateriscold)intheheatedsystem.
NOTICE:

5
Thermometer
Settingup
heating
Operation
mode
switch
Pressuregauge
6
Reset
Central-heatingandhot-watermode
Hot-watermode
Off Service
function
Signallight
On
Signallight
Operation
Signallight
Breakdown
O
Settingsup
hot-water
temperature
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.
Thethermometerandpressuregaugetakethetemperatureandpressureintheheating
system.Withabuttonforsettingtheheatingtemperature,ausercansetthetemperatureof
waterintheheatingsystemintherangeof35-85°C.Therecommendedrangeis55-
85°C.Withacontrolbuttonforsettinguphot-watertemperature,ausercansetrequested
outlettemperatureofhotwaterintherangeof35-60°C.Signallightsignalsa
condition,whentheelectronicsdidnotmanagetoburntheboiler(e.g.becauseofgas
deliveryfailure).Returntooperationconditioncanbemadebybriefturningtheoperation
modeswitchintotherightextremeposition(reset)whencontrollingtheboileroperation.
Thesignallightsignalsburningoftheboiler.Thesignallightservesto
signallingofstartingtheboilermode.Theoperationmodeswitchhasthesepositions:
–theboileroff
–summeroperation(hot-waterpreparationon,heatingoff)
–winteroperation(hotwaterandheatingon)
–unblockingtheboilerbreakdown(reset)
Controlfrontboardoftheboiler
Breakdown
OperationOn
–servicetestingfunction
Theheatingsystemmustincludeaproperfilter.Toutilizethemaximumoutputofthe
boileritisnecessarytoensureminimumpressureintheheatingsystemof1barforright
functioningandlonglifetime.Abuiltinexpansiontankenablesconnectingtheboilerto
closedheatingsystem. Theboileristooperateonnatural
gasof20mbarnominalpressureinthedistributionnet.Theboilerislocatedsoastoensure
necessaryoperatingconditionswhetheritisanappliancewithopencombustionchamber
(flue)orwithclosedcombustionchamber(turbo)andwithregardtothewaysof
combustionairsupplyandwastegasexhaust.
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.
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.
Onhot-waterinlettotheboileritisnecessarytoinstalla
magneticorelectromagneticwatertreatmentdevice.
Theuserwithhisorhersignature
intheletterofguaranteeconfirmshavingbeeninstructedwiththeboileroperating.
Conditionsofservice:
Technicaldescription

5
Thermometer
Settingup
heating
Operation
mode
switch
Pressuregauge
6
Reset
Central-heatingandhot-watermode
Hot-watermode
Off Service
function
Signallight
On
Signallight
Operation
Signallight
Breakdown
O
Settingsup
hot-water
temperature
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.
Thethermometerandpressuregaugetakethetemperatureandpressureintheheating
system.Withabuttonforsettingtheheatingtemperature,ausercansetthetemperatureof
waterintheheatingsystemintherangeof35-85°C.Therecommendedrangeis55-
85°C.Withacontrolbuttonforsettinguphot-watertemperature,ausercansetrequested
outlettemperatureofhotwaterintherangeof35-60°C.Signallightsignalsa
condition,whentheelectronicsdidnotmanagetoburntheboiler(e.g.becauseofgas
deliveryfailure).Returntooperationconditioncanbemadebybriefturningtheoperation
modeswitchintotherightextremeposition(reset)whencontrollingtheboileroperation.
Thesignallightsignalsburningoftheboiler.Thesignallightservesto
signallingofstartingtheboilermode.Theoperationmodeswitchhasthesepositions:
–theboileroff
–summeroperation(hot-waterpreparationon,heatingoff)
–winteroperation(hotwaterandheatingon)
–unblockingtheboilerbreakdown(reset)
Controlfrontboardoftheboiler
Breakdown
OperationOn
–servicetestingfunction
Theheatingsystemmustincludeaproperfilter.Toutilizethemaximumoutputofthe
boileritisnecessarytoensureminimumpressureintheheatingsystemof1barforright
functioningandlonglifetime.Abuiltinexpansiontankenablesconnectingtheboilerto
closedheatingsystem. Theboileristooperateonnatural
gasof20mbarnominalpressureinthedistributionnet.Theboilerislocatedsoastoensure
necessaryoperatingconditionswhetheritisanappliancewithopencombustionchamber
(flue)orwithclosedcombustionchamber(turbo)andwithregardtothewaysof
combustionairsupplyandwastegasexhaust.
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.
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.
Onhot-waterinlettotheboileritisnecessarytoinstalla
magneticorelectromagneticwatertreatmentdevice.
Theuserwithhisorhersignature
intheletterofguaranteeconfirmshavingbeeninstructedwiththeboileroperating.
Conditionsofservice:
Technicaldescription

7
445
700
355
183NST
VentilatorFlue
225NSK
Outsidedimensionsoftheboiler:
60
140
50
290
110
380
C.H.
D.H.W.
D.H.W. C.H.
Gas
8
MainpartsoftheNSTboiler:
.
3
Bar

7
445
700
355
183NST
VentilatorFlue
225NSK
Outsidedimensionsoftheboiler:
60
140
50
290
110
380
C.H.
D.H.W.
D.H.W. C.H.
Gas
8
MainpartsoftheNSTboiler:
.
3
Bar

9
MainpartsoftheNSKboiler
3
Bar
D.H.W.inlet
1/2”
Gasinlet
3/4”
C.H.outlet
3/4”
C.H.inlet
3/4”
D,H.W.outlet
1/2”
10
Connectingtheboilertowaterandgas:
Connectingtheboilertoelectricnet
Operationcontrol
Theboilerispluggedintotheelectricnetsocketwithasupplyleadwithaplug.Thesocket
mustsuittoappropriatestandards,variousmultiplugsandlenghteningcablesarenot
allowedtouse.Installationofthesocket,connectingthespacethermostatandserviceof
electricpartsoftheboilercanbeonlyperformedbyapersonwithspecialelectric
qualificationbythePublicNoticeNo.718/2002Z.z.Electricinstallationisreadyfor
additionalconnectionofroomthermostat.
Duringtheoperationtheboilerissecuredagainstdangerousoperationconditions.
However,thebreakdownsthecauseofwhichisnotincludedintheboilermechanism,
cannotbeprotectedtoarise.Thereforeitisnecessaryafterputtingtheboilertooperationto
examinetheboileronceinthreedaysandcheck:
–whetherthesystemisfilledwithwaterandthereisnodischarge
–whetherwastegasesorgascannotbesmelled
Foundbreakdownsmustbereportedtotheserviceworkerwhoputtheboilerto
operation.Ifthereisagasdischarge,thegassupplymustbeclosed.Foundbreakdowns
mustberemovedimmediately.

9
MainpartsoftheNSKboiler
3
Bar
D.H.W.inlet
1/2”
Gasinlet
3/4”
C.H.outlet
3/4”
C.H.inlet
3/4”
D,H.W.outlet
1/2”
10
Connectingtheboilertowaterandgas:
Connectingtheboilertoelectricnet
Operationcontrol
Theboilerispluggedintotheelectricnetsocketwithasupplyleadwithaplug.Thesocket
mustsuittoappropriatestandards,variousmultiplugsandlenghteningcablesarenot
allowedtouse.Installationofthesocket,connectingthespacethermostatandserviceof
electricpartsoftheboilercanbeonlyperformedbyapersonwithspecialelectric
qualificationbythePublicNoticeNo.718/2002Z.z.Electricinstallationisreadyfor
additionalconnectionofroomthermostat.
Duringtheoperationtheboilerissecuredagainstdangerousoperationconditions.
However,thebreakdownsthecauseofwhichisnotincludedintheboilermechanism,
cannotbeprotectedtoarise.Thereforeitisnecessaryafterputtingtheboilertooperationto
examinetheboileronceinthreedaysandcheck:
–whetherthesystemisfilledwithwaterandthereisnodischarge
–whetherwastegasesorgascannotbesmelled
Foundbreakdownsmustbereportedtotheserviceworkerwhoputtheboilerto
operation.Ifthereisagasdischarge,thegassupplymustbeclosed.Foundbreakdowns
mustberemovedimmediately.

11
BEND COLLAR
COAXIALPIPE MIN.150mm
EXTERNALWALL
WASTE-GAS
VENTILATORMANOSTAT
1000mm
12
Service
Maintenance
Wrapping,transport,storing
Boileraccessoriesanddocumentation
Aftereachyearoftheoperationduringtheguaranteetimeitisnecessarytogettheboiler
examinedandadjustedbyacontractcompany.Untilthisisnotperformed,theguarantee
willnotbeadmitted.Evenafterfinishingtheguaranteetimetheproducerrecommendsany
interventionsaimingtorepairstobemadeonlybyacontractservicepartner.Theactivities
oftheboileruserinthepostguaranteetimearedeterminedinthepart„Maintenance“.
Regularmaintenanceisimportantforreliableworkingoftheboiler,longlifetimeand
combustioneffectivityoftheboiler.Theuserisrecommendedtocontactacontractservice
organizationnearbyandensureregularannualexaminations(seeconditionsforguarantee).
Aserviceworkercheckscontrolandsafetyelementsoftheboiler,gasandwater
distributionsealingorcleanstheburnerandexchangerfromburntdustparticles.For
faultlessoperationofheatingsystemitisnecessarytocheckregularlythepressureofwater
inheatingsystem(min.1bar,measuredwhenthewateriscold).Inthecaseoflower
pressureitisnecessarytorefillwaterintocoldheatingsystem.Theoutsidecoatofthe
boilercanbecleanedwitharagsoakedinsoapywaterandthendriedwithadryone.
Boilersaretransportedinverticalposition.Topreventpossibledamage,theyareprotected
byacartonwrapping.Thewrappingissecuredbyanadhesivetape.Theboilermustbe
storedinnon-aggressivespacewiththetemperatureof+5upto+50°Cinmaximum
relativehumidityofairof75%,withoutpresenceoforganicsteams,gasesanddust.
ATTACKNST,NSKboilersaredeliveredcompletelyassembliedandtestedfunctionally.
Thedeliveryincludesfollowingdocumentation:
–instructionforusewithadocumentonboilertestingonthebacksideoftheinstruction
–letterofguarantee,listofcontractpartners
Waste-gasexhaust
Spareparts
Guarantee,reclamation
Waste-gasexhaustandcombustionaircomethroughdoublepiping(turboversion)
deliveredbytheboilerproducerwhichcanbeorderedinrequiredamountbytheproject
(horizontalorverticalexhaust)includingsealingcollars,roofreducingpieceandsoon.
–theoutletmustprotrude150mmminimallyfromtheexternalwallofabuilding
–minimumheightoverthegroundtoaspacepubliclyinapproachableis1m
–minimumheightoverthegroundtoaspacepubliclyapproachableis2m
–theoutletmustnotleadtoanexplosiveandinflammablespace
–ifintheupdirectiontherearesomeinflammablematerialsonthebuilding,itisnecessary
tokeepverticaldistanceof1,5mfromtheoutlet
–horizontalpipingof3mmeasuredfromthebendontheboilertotheoutletonthefacade
–verticalpipingof2,7mmeasuredfromtheboilertothebottomedgeofaroofreducing
piece
–each90°bendinsertedshortensthelengthin0.75manda45°bendshortensitin0.5m
Theproducerkeepssinglepartsofboilersassparepartswhichareprovidedforguarantee
andpostguaranteeserviceonlytocontractpartnersonthebaseoforderorreclamation.
Theexactreadingofguaranteeandguaranteeconditionsandhintsforreclamationare
includedintheletterofguarantee.Repairsintheguaranteetimeareperformedonlyby
contractservices.
Conditionsofwaste-gasexhaustoutletthroughtheexternalwall:
Maximumlengthofdoublewaste-gasexhaustpermittedbytheproducer:
Attention!
Torespecttheconditionsofguarantee,theproducerdoesnotpermitperforminganyrepairs
byacompanyotherthanacontractorserviceintheguaranteetime.

11
BEND COLLAR
COAXIALPIPE MIN.150mm
EXTERNALWALL
WASTE-GAS
VENTILATORMANOSTAT
1000mm
12
Service
Maintenance
Wrapping,transport,storing
Boileraccessoriesanddocumentation
Aftereachyearoftheoperationduringtheguaranteetimeitisnecessarytogettheboiler
examinedandadjustedbyacontractcompany.Untilthisisnotperformed,theguarantee
willnotbeadmitted.Evenafterfinishingtheguaranteetimetheproducerrecommendsany
interventionsaimingtorepairstobemadeonlybyacontractservicepartner.Theactivities
oftheboileruserinthepostguaranteetimearedeterminedinthepart„Maintenance“.
Regularmaintenanceisimportantforreliableworkingoftheboiler,longlifetimeand
combustioneffectivityoftheboiler.Theuserisrecommendedtocontactacontractservice
organizationnearbyandensureregularannualexaminations(seeconditionsforguarantee).
Aserviceworkercheckscontrolandsafetyelementsoftheboiler,gasandwater
distributionsealingorcleanstheburnerandexchangerfromburntdustparticles.For
faultlessoperationofheatingsystemitisnecessarytocheckregularlythepressureofwater
inheatingsystem(min.1bar,measuredwhenthewateriscold).Inthecaseoflower
pressureitisnecessarytorefillwaterintocoldheatingsystem.Theoutsidecoatofthe
boilercanbecleanedwitharagsoakedinsoapywaterandthendriedwithadryone.
Boilersaretransportedinverticalposition.Topreventpossibledamage,theyareprotected
byacartonwrapping.Thewrappingissecuredbyanadhesivetape.Theboilermustbe
storedinnon-aggressivespacewiththetemperatureof+5upto+50°Cinmaximum
relativehumidityofairof75%,withoutpresenceoforganicsteams,gasesanddust.
ATTACKNST,NSKboilersaredeliveredcompletelyassembliedandtestedfunctionally.
Thedeliveryincludesfollowingdocumentation:
–instructionforusewithadocumentonboilertestingonthebacksideoftheinstruction
–letterofguarantee,listofcontractpartners
Waste-gasexhaust
Spareparts
Guarantee,reclamation
Waste-gasexhaustandcombustionaircomethroughdoublepiping(turboversion)
deliveredbytheboilerproducerwhichcanbeorderedinrequiredamountbytheproject
(horizontalorverticalexhaust)includingsealingcollars,roofreducingpieceandsoon.
–theoutletmustprotrude150mmminimallyfromtheexternalwallofabuilding
–minimumheightoverthegroundtoaspacepubliclyinapproachableis1m
–minimumheightoverthegroundtoaspacepubliclyapproachableis2m
–theoutletmustnotleadtoanexplosiveandinflammablespace
–ifintheupdirectiontherearesomeinflammablematerialsonthebuilding,itisnecessary
tokeepverticaldistanceof1,5mfromtheoutlet
–horizontalpipingof3mmeasuredfromthebendontheboilertotheoutletonthefacade
–verticalpipingof2,7mmeasuredfromtheboilertothebottomedgeofaroofreducing
piece
–each90°bendinsertedshortensthelengthin0.75manda45°bendshortensitin0.5m
Theproducerkeepssinglepartsofboilersassparepartswhichareprovidedforguarantee
andpostguaranteeserviceonlytocontractpartnersonthebaseoforderorreclamation.
Theexactreadingofguaranteeandguaranteeconditionsandhintsforreclamationare
includedintheletterofguarantee.Repairsintheguaranteetimeareperformedonlyby
contractservices.
Conditionsofwaste-gasexhaustoutletthroughtheexternalwall:
Maximumlengthofdoublewaste-gasexhaustpermittedbytheproducer:
Attention!
Torespecttheconditionsofguarantee,theproducerdoesnotpermitperforminganyrepairs
byacompanyotherthanacontractorserviceintheguaranteetime.

13
Technicalparameters
Table
Max.min.outputofheating
Max.min.outputofhotwater
Gasconsumption-naturalgas
Effectivity
Electricalsupply
Controlofroomthermostat
Min.max.pressureinheating
Min.max.pressureofhotwater
Expansiontankvolume
kW
kW
m/hod
%
V/Hz
V
bar
bar
l
3
24-8
24-8
0,9-2,7
9092
230/50
24
0,8-3
1-6
8
Weight
Electricinput
Connectinggaspressure
Electricstandard
Numberofnozzles
NozzlediameterNST
NozzlediameterNSK
Nox
CO
Fuel
kg
l/min
l/min
°C
°C
mm
mm
W
mbar
-
pcs
mm
mm
ppm
ppm
-
40
13
9
30-85
30-60
130
100/60
130
20
IP41
13
1,15
1,25
20-50
7-14
Naturalgas
Passageofhotwaterheatedin25°C
Passageofhotwaterheatedin35°C
Outletheatingtemperatureregulation
Outlethot-watertemperatureregulation
Waste-gasexhaustingdiameter
Forcedwaste-gasexhaustingdiameter
14
300
150150
580
50
TECHNICALMANUALFOR
ASSEMBLYANDSERVICECOMPANIES
Installationofboilers
Localizationofboilers
Hangingboilersonthewall
Aboilercanbeinstalledonlybyacompanywithanappropriatecertificateforassemblyof
gasappliances.Connectingoftheboilermustalsosuittovalidstandards,rulesand
instructionforuse.
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.
Mountingboilersonthewallmustbeperformedonthebaseofqualifiedassessmentofthe
wallbearingcapacity(byaprojectworkerorassemblycompany)soastoguaranteesafe
andreliablehangingofboilers.Boilersarenecessarytomounttothewallwithasuitable
connectingmaterial(e.g.screwsanddowels)regardingthequalityofthewall.
Theproducerisnotresponsiblefordamagescausedbywrong
connecting.

13
Technicalparameters
Table
Max.min.outputofheating
Max.min.outputofhotwater
Gasconsumption-naturalgas
Effectivity
Electricalsupply
Controlofroomthermostat
Min.max.pressureinheating
Min.max.pressureofhotwater
Expansiontankvolume
kW
kW
m/hod
%
V/Hz
V
bar
bar
l
3
24-8
24-8
0,9-2,7
9092
230/50
24
0,8-3
1-6
8
Weight
Electricinput
Connectinggaspressure
Electricstandard
Numberofnozzles
NozzlediameterNST
NozzlediameterNSK
Nox
CO
Fuel
kg
l/min
l/min
°C
°C
mm
mm
W
mbar
-
pcs
mm
mm
ppm
ppm
-
40
13
9
30-85
30-60
130
100/60
130
20
IP41
13
1,15
1,25
20-50
7-14
Naturalgas
Passageofhotwaterheatedin25°C
Passageofhotwaterheatedin35°C
Outletheatingtemperatureregulation
Outlethot-watertemperatureregulation
Waste-gasexhaustingdiameter
Forcedwaste-gasexhaustingdiameter
14
300
150150
580
50
TECHNICALMANUALFOR
ASSEMBLYANDSERVICECOMPANIES
Installationofboilers
Localizationofboilers
Hangingboilersonthewall
Aboilercanbeinstalledonlybyacompanywithanappropriatecertificateforassemblyof
gasappliances.Connectingoftheboilermustalsosuittovalidstandards,rulesand
instructionforuse.
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.
Mountingboilersonthewallmustbeperformedonthebaseofqualifiedassessmentofthe
wallbearingcapacity(byaprojectworkerorassemblycompany)soastoguaranteesafe
andreliablehangingofboilers.Boilersarenecessarytomounttothewallwithasuitable
connectingmaterial(e.g.screwsanddowels)regardingthequalityofthewall.
Theproducerisnotresponsiblefordamagescausedbywrong
connecting.

15
Airinletforcombustionandfluegasexhaustiscarriedoutbypipeinpipeelbow90°and
pipeinpipe1mlong.Additionalaccessories90°and45°albowsorpipes0,5and1mlong
ispossibletopurchaseonrequest.
16
Connectingaspatialthermostat(regulator)
Connectingtoaflue.NSKversion
Connectingofcoaxialpipe.NSTversion
Puttingtheboilerintooperation
Aspatialthermostatisnotapartofboileraccessoriesbutitcanbeconnectedintoaboiler
bytherequestofacustomer.Voltageforswitchcontactsofthespatialthermostatis24V.
Connectingofthespatialthermostatintotheboilerisillustratedontheconnectionchart.
Connectingterminalsforthethermostatare
interconnectedbyajumper.Afterconnectingthespatialthermostattotheterminalsthe
jumperistoberemoved.
ATTACKNSKboilersintheflueversionareconnectedtoafluewithanexhaustbranchof
130mmdiameter.Connectiontothefluemustbedonebytheappropriaterules.
Themaximumlenght,admittedbytheproducer,of
coaxialwastegasexhaustis3mhorizontallyand2,7vertically,measuredfromtheboilerto
theoutletonthefacadeortothebottomedgeoftheroofreducingpiece.Each90°bend
shortensthelenghtin0.75manda45°bendin0.5m.Thewholepressurelossofthepiping
mustnotbebiggerthan80Pa.Coaxialpipingmusthaveaslopeof3°fromtheboilerout.
Puttingintooperation,checkingandsettingminimumandmaximumoutputoftheboileras
wellastherepairscanbecarriedoutonlybyfirmsauthorizedtothisandtrainedbythe
producer(listofthecontractservicepartnersisinthesupplement).
–checkwhethertheinstallationoftheboilerandaccessoriessuitstotheprojectandboiler
inspection.
–checkthedeaerationoftheboilerandheatingsystem(theboltontheautomaticdeaerator
mustbereleased)
–checkthewaterpressureintheheatingsystem(minimumof11.5barinthecoldsystem)
–checkifthesafetyvalveisworking
–checktheconnectingtothegaspipelineaswellascontrolandsafetyelementsandtestthe
sealingofthegaspipelinefromthemainpipesealuptotheburnerintheboiler
–checkelectricsocketconnectingandelectroinstallationinspection
–checkthewastegasexhaust
–checktheflueinspection
–checktheminimumandmaximumoutputbymeasuringthepressureonburnernozzles
–settheoutputoftheboilerbyathermallossoftheheatedplace
testtheregulationofheating
Dutiesofaserviceworkerwhenputtingtheboilerintooperation:
–
Connectingboilerstoheatingsystem
Connectingtowaterpiping
Connectingboilerstogaspipeline
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.
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).
Maximumpermittedoverpressureofwaterfrompipingis6bar.Usersofboilersare
remindedtopayhighattentiontothequalityofwaterusedtoheatingsystemandwater
heating.Ontheinletofhotwatertoaboilertheremustbeamagneticorelectromagnetic
watertreatmentdeviceinstalled.
Beforeconnectingaboilertothegaspipeline,thepipelinemustbetestedandadjusted.
Afterconnectingtoaboiler,allthegasconnectorsmustbetested,includingpipingand
fittingsintheboiler.Boltedconnectionsofthegaspipelineaswellasthoseofthewater
pipingandheatingwaterpipingmustnotbestressedbyanyadditionalforce.
Guaranteedoesnotapplytothecasesof
cloggingtheexchangerorpumpbyimpuritiesfromthesystem.
Guaranteedoesnotapplytothecasesofincrustationoftheheatexchangerorpump.

15
Airinletforcombustionandfluegasexhaustiscarriedoutbypipeinpipeelbow90°and
pipeinpipe1mlong.Additionalaccessories90°and45°albowsorpipes0,5and1mlong
ispossibletopurchaseonrequest.
16
Connectingaspatialthermostat(regulator)
Connectingtoaflue.NSKversion
Connectingofcoaxialpipe.NSTversion
Puttingtheboilerintooperation
Aspatialthermostatisnotapartofboileraccessoriesbutitcanbeconnectedintoaboiler
bytherequestofacustomer.Voltageforswitchcontactsofthespatialthermostatis24V.
Connectingofthespatialthermostatintotheboilerisillustratedontheconnectionchart.
Connectingterminalsforthethermostatare
interconnectedbyajumper.Afterconnectingthespatialthermostattotheterminalsthe
jumperistoberemoved.
ATTACKNSKboilersintheflueversionareconnectedtoafluewithanexhaustbranchof
130mmdiameter.Connectiontothefluemustbedonebytheappropriaterules.
Themaximumlenght,admittedbytheproducer,of
coaxialwastegasexhaustis3mhorizontallyand2,7vertically,measuredfromtheboilerto
theoutletonthefacadeortothebottomedgeoftheroofreducingpiece.Each90°bend
shortensthelenghtin0.75manda45°bendin0.5m.Thewholepressurelossofthepiping
mustnotbebiggerthan80Pa.Coaxialpipingmusthaveaslopeof3°fromtheboilerout.
Puttingintooperation,checkingandsettingminimumandmaximumoutputoftheboileras
wellastherepairscanbecarriedoutonlybyfirmsauthorizedtothisandtrainedbythe
producer(listofthecontractservicepartnersisinthesupplement).
–checkwhethertheinstallationoftheboilerandaccessoriessuitstotheprojectandboiler
inspection.
–checkthedeaerationoftheboilerandheatingsystem(theboltontheautomaticdeaerator
mustbereleased)
–checkthewaterpressureintheheatingsystem(minimumof11.5barinthecoldsystem)
–checkifthesafetyvalveisworking
–checktheconnectingtothegaspipelineaswellascontrolandsafetyelementsandtestthe
sealingofthegaspipelinefromthemainpipesealuptotheburnerintheboiler
–checkelectricsocketconnectingandelectroinstallationinspection
–checkthewastegasexhaust
–checktheflueinspection
–checktheminimumandmaximumoutputbymeasuringthepressureonburnernozzles
–settheoutputoftheboilerbyathermallossoftheheatedplace
testtheregulationofheating
Dutiesofaserviceworkerwhenputtingtheboilerintooperation:
–
Connectingboilerstoheatingsystem
Connectingtowaterpiping
Connectingboilerstogaspipeline
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.
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).
Maximumpermittedoverpressureofwaterfrompipingis6bar.Usersofboilersare
remindedtopayhighattentiontothequalityofwaterusedtoheatingsystemandwater
heating.Ontheinletofhotwatertoaboilertheremustbeamagneticorelectromagnetic
watertreatmentdeviceinstalled.
Beforeconnectingaboilertothegaspipeline,thepipelinemustbetestedandadjusted.
Afterconnectingtoaboiler,allthegasconnectorsmustbetested,includingpipingand
fittingsintheboiler.Boltedconnectionsofthegaspipelineaswellasthoseofthewater
pipingandheatingwaterpipingmustnotbestressedbyanyadditionalforce.
Guaranteedoesnotapplytothecasesof
cloggingtheexchangerorpumpbyimpuritiesfromthesystem.
Guaranteedoesnotapplytothecasesofincrustationoftheheatexchangerorpump.

18
17
–checktheoperationofsummerandwintermode,regulationofhot-waterheating
–setappropriatepumpspeedandpressureintheheatingsystem
–testfunctionofballvalvesbeforetheboiler
–getauseracquaintedwiththeboilerattendancewhichisconfirmedbytheuser´s
signatureintheletterofguarantee
–writedownputtingtheboilerintooperationtotheletterofguaranteeandinstructionsfor
use
Controlfunctionsofautomaticsincludeignitionofflame,itscontrolandsmooth
modulation.Automaticshastwofunctionalunits:
–burnercontrolunit(ACCF)
–flamecontrolandmodulationunit(CMF)
–signallingofworkingandbreakdownswiththehelpofLEDlightsontheboard
–eliminationofdisturbingcausedbyignitionandcontactswitching
–controlofacirculationpumpwitharun-outfunctionaftertherequestforheating
–controlofaventilatorandairflowwitharun-outfunction
–earthingconnectorontheboard
–2Afuseontheboard
–connectingthephase,neutralconductorandearthingontheentrywiththehelpof
connectorontheboard
–connectingthespatialthermostatwiththehelpofconnectorontheboard
–connectingtheemergencythermostat
–optionofoperationmodeandresetbyaswitchontheboard
–stoppingtheburnerinthecaseofprimarythermalsensorfailure(breakdownorshort)
–manualreset
–settingtheboilermodebyP1switchontheboard
–settingstartingoutputwiththehelpofP5trimer
–settingcentralheatingandhotwatertemperaturewithpotentiometersontheboard
–controlofhotwatertemperaturewithathermalsensorontheoutlet
–controlofheatingtemperaturewithathermalsensorontheoutlet
–anti-fastcyclingfunctionintheheatingmodewhichcanbesetto180secondsor
cancelled(byinsertingajumper)withJP3ontheboard
IntegratedcontrolsystemofboileroftypeAM56IMS02code16562
Generalproperties:
Sectionofflamemodulation
Description:
ControlautomaticsoftheAM56IMS02typeforhanginggasboilerswith
instantaneouswaterheating,doubleheatexchangerandautomaticignition.
–settingtheburneroutputintheheatingmodewithP4trimerontheboard
Operation
Hot-watermode
Heatingmode
Pumpcontrolandcirculation
Anti-blocking-pumpfunction
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.
Operationphaseintheheatingmodestartswhenaspatialthermostatputsarequestforheat
andtheoperationswitch(P1potentiometerontheboard)isintheposition.Thepump
andventilatorareactivatedandafterverifyingairflow,theburnercontrolunitisactivated.
Startingoutputiskeptinthetimeoftwosecondsafterburningtheboiler.Thentheboiler
outputiscontrolledbyPIDregulationuntilthesettemperatureforcentralheatingisreached.
Inthecasethewaterovercomesthesetvaluein5°C,theburnerisoff.Theburnerisreignited
bythetemperature5°Clowerthansetvalueuntiltheanti-fastcyclingtimeisover.Theanti-
fastcyclingfunctionisoveruntilthecontactsoftheroomthermostatarebrokenand
switched.WhentheJP4jumperissettoONposition,therangeoftemperaturesisloweredto
valuessuitableforfloorheating.
Thepumpstartsinthemomentoftherequestforheatingorhotwater.Attheendofeach
requestforheatingthepumpkeepsworkingfor180smore.Ifafterworkingtimetheboiler
signalsafailureinheatingmode,thepumpworksonallthetimeasarun-outintheheating
mode.
After24hoursofnotworkingthepumpisactivatedto150s.Afterbreakingelectrical
supply,thefirstcycleofanti-blocking-pumpfunctionstartsafter3hoursofnotworking.
winter
Note:Alwaysmustbeusedanappliancelimitinghightemperature(toprotectfloorheating)

18
17
–checktheoperationofsummerandwintermode,regulationofhot-waterheating
–setappropriatepumpspeedandpressureintheheatingsystem
–testfunctionofballvalvesbeforetheboiler
–getauseracquaintedwiththeboilerattendancewhichisconfirmedbytheuser´s
signatureintheletterofguarantee
–writedownputtingtheboilerintooperationtotheletterofguaranteeandinstructionsfor
use
Controlfunctionsofautomaticsincludeignitionofflame,itscontrolandsmooth
modulation.Automaticshastwofunctionalunits:
–burnercontrolunit(ACCF)
–flamecontrolandmodulationunit(CMF)
–signallingofworkingandbreakdownswiththehelpofLEDlightsontheboard
–eliminationofdisturbingcausedbyignitionandcontactswitching
–controlofacirculationpumpwitharun-outfunctionaftertherequestforheating
–controlofaventilatorandairflowwitharun-outfunction
–earthingconnectorontheboard
–2Afuseontheboard
–connectingthephase,neutralconductorandearthingontheentrywiththehelpof
connectorontheboard
–connectingthespatialthermostatwiththehelpofconnectorontheboard
–connectingtheemergencythermostat
–optionofoperationmodeandresetbyaswitchontheboard
–stoppingtheburnerinthecaseofprimarythermalsensorfailure(breakdownorshort)
–manualreset
–settingtheboilermodebyP1switchontheboard
–settingstartingoutputwiththehelpofP5trimer
–settingcentralheatingandhotwatertemperaturewithpotentiometersontheboard
–controlofhotwatertemperaturewithathermalsensorontheoutlet
–controlofheatingtemperaturewithathermalsensorontheoutlet
–anti-fastcyclingfunctionintheheatingmodewhichcanbesetto180secondsor
cancelled(byinsertingajumper)withJP3ontheboard
IntegratedcontrolsystemofboileroftypeAM56IMS02code16562
Generalproperties:
Sectionofflamemodulation
Description:
ControlautomaticsoftheAM56IMS02typeforhanginggasboilerswith
instantaneouswaterheating,doubleheatexchangerandautomaticignition.
–settingtheburneroutputintheheatingmodewithP4trimerontheboard
Operation
Hot-watermode
Heatingmode
Pumpcontrolandcirculation
Anti-blocking-pumpfunction
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.
Operationphaseintheheatingmodestartswhenaspatialthermostatputsarequestforheat
andtheoperationswitch(P1potentiometerontheboard)isintheposition.Thepump
andventilatorareactivatedandafterverifyingairflow,theburnercontrolunitisactivated.
Startingoutputiskeptinthetimeoftwosecondsafterburningtheboiler.Thentheboiler
outputiscontrolledbyPIDregulationuntilthesettemperatureforcentralheatingisreached.
Inthecasethewaterovercomesthesetvaluein5°C,theburnerisoff.Theburnerisreignited
bythetemperature5°Clowerthansetvalueuntiltheanti-fastcyclingtimeisover.Theanti-
fastcyclingfunctionisoveruntilthecontactsoftheroomthermostatarebrokenand
switched.WhentheJP4jumperissettoONposition,therangeoftemperaturesisloweredto
valuessuitableforfloorheating.
Thepumpstartsinthemomentoftherequestforheatingorhotwater.Attheendofeach
requestforheatingthepumpkeepsworkingfor180smore.Ifafterworkingtimetheboiler
signalsafailureinheatingmode,thepumpworksonallthetimeasarun-outintheheating
mode.
After24hoursofnotworkingthepumpisactivatedto150s.Afterbreakingelectrical
supply,thefirstcycleofanti-blocking-pumpfunctionstartsafter3hoursofnotworking.
winter
Note:Alwaysmustbeusedanappliancelimitinghightemperature(toprotectfloorheating)

JP1
JP3
JP4
JP5
naturalgasLPG
heatingwaterbysetup floorheatig-watchingthetemperatureof
ofheatingwater-40°Cmaximally
anti-cyclingfunction-waitingfor180s
betweenswitchingoffandon
switchedonimmediatelyafterdroppingthe
heatingwatertemperatureundersetuplevel
Run-outofthepumpfor0,4-2sbythe
temperatureofheatingwater run-outofthepumpafterhot-water heatingisalwaysfor2s
BrokenSwitched
20
1919
RedLEDGreenLED1GreenLED2
BoileroffXOFFX
BoilerinemergencymodeOFFONOFF
Breakdown-ignitionmodeONONOFF
Breakdown-overheating
Parasiticflame,errorinACCFunitONLONONL
NowaterpressureONONOFF
Lackofair-
WastegasthermostatopenONLAONONLA
SensordamagedOFFONONL
FlamepresenceOFFONON
ON=lightingX=alltheerrorsignallingspossible
ONL=flickering
ONLA=flickeringalternately
OFF=nolighting
Anti-freezingfunction
Controlofventilator,airflowandwastegas(NSTversion)
Thetypewithopencombustionchamber.(NSKversion)
Servicetestingfunctions
Signalling
Ifathermalsensoroftheheatingcirculationfindsadecreaseoftemperatureofunder6°C,
thepumpisactivatedandburnerstartswithminimumoutput.Thislastsuntilthe25°C
temperatureisreachedandthentheanti-freezingfunctionstopsworking.Thisfunctionis
activeevenwhentheoperationswitchisinSUMMERpositionandinemergencymode
(stand-by).Ifthereisafailureintheboiler,onlypumpisactivated.
Ifthereisarequestforignition,burningautomaticsatfirstteststheconditionofmanostat.
Ifitisinastillposition,burningautomaticsswitchesthewastegasexhaustventilator.Ifthe
ventilatorisoperatingandtheexhaustisclear,themanostatswitchesintoworkingposition
andtheboilerisburned.Differencepressuremustbeover80Pa.
Aftereachblowingouttheventilatorkeepsworking20secondsmore.
Inthisversion,ifthereisarequestforheat,theburnercontrolunitisactivatedafter
activatingthepumpandverifyingthewaterpassage.Inthecaseoffailure(rising
temperaturebecauseofwrongwastegasexhaust)thewastegasthermostatbreakscontacts,
theburnerblowsoutandafailureissignalled.Reignitionisnotpossiblefor30minutes.
Thistimeperiodcanbecleared(reset)withtheoperationswitch.
Ifthisfunctionischosen,theboilerstartsworkingintheheatingmodetothemaximum
outputoftheburnerandmaximumtemperatureoftheheatingwater(80°C).Theburneris
offafterreachingthemaximumswitch-offtemperature(85°C).Ifthereisarequestforhot
water,thisfunctionisinterruptedandtherequestispostponed.Thisfunctioncanlast15
minutesmaximallyandthenitisnecessarytoswitchtheoperationswitchtosomeofother
functionsandthenbacktothisfunction.
FunctionsoftheBERTELLIautomaticsinMAXIMUSRZT,RZKboilers
Ifthespatialthermostatisnotconnected,
Ifthespatialthermostatisconnected,
Anti-cyclingfunction
thepumpkeepsworkingeveniftheboilerisoff.
thepumpisinoperationafterswitchingofftheboiler
during180seconds.
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).
Therun-outtimestartsinthemomentofswitchingofftheboilerbythethermostat.Atthe
endofeachrequestforheating,thepumpstaysinoperationfor180secondsmore.Therun-
outofthepumphas2importantfunctions:
–itcoolsheat-exchangertopreventoverheating
–intherun-outtime,thetemperaturedifferencesonheatingbodiesareequalized
Therun-outofthepumpbytherequestforhotwaterissetupbyJP5jumper.Whenthe
jumperisinOFFposition,therun-outis0.4-2seconds,inONpositiontherun-outis
always2seconds.
Run-outofthepump