ATTACK DP25 User manual

ATTACKDP
WOODGASIFYINGBOILER
R
TECHNICALMANUAL

ATTACKDP-Woodgasifyingboiler
-Assembly,pre-heatingandtrainingoftheattendanceisperfomedbyanassemblytechnician
trainedbythemanufacturer,whoalsofillsinadocumentontheinstallationoftheboiler
-Duringwoodgasifying,tarandcondensates(acids)arecreated.Therefore
behindtheboilerthemixingapplianceregumatortemperature-responsivevalvemustbe
installed,tokeeptheminimumtemperatureofreturnwaterof65intotheboiler.
-Operationtemperatureofwaterintheboilermustbeof80-90°C.
-Theboilermustnotbepermanentlyoperatedwiththeoutputlowerthan50%.
-Whenacirculationpumpisused,itmustbecontrolledbyaseparatedthermostatinorderto
keeptheprescribedminimumtemperatureofreturnwater.
-Ecologicaloperationoftheboilerisduringnominaloutput.
-WerecommendtoinstalltheboilerwithstoragereservoirsandRegumatwhichguarantees
economyinfuelin20až30%andlongerservicelifeoftheboileraswellascomfortable
attendance.
-Iftheboilercannotbeattachedtotheaccumulation,werecommendtoconnectitatleast
withoneequalisationbasinwiththevolumeofabout25lfor1kWoftheboileroutput.
-Duringthemodewithdecreasedoutput(summermodeandwaterheating)itisnecessaryto
startburningdaily.
-Fuelmustbeusedonlydriedof12-20%moisturecontent(withahighermoisturecontent
offueltheoutputofboilerdecreasesanditsconsumptionincreases)
inthefuelbin
°C
-Thechoiceoftherightboilersize,thatisitsheatingoutput,isaveryimportantconditionfor
economicoperationandrightfunctionoftheboiler.Theboilermustbechosensothatits
nominaloutputrespondstoheatlossoftheheatedobject.
Theguaranteedoesnotapplyfortheboilerif:
-itisoperatedwithwoodexceeding20%moisturecontentorwithfuelnotprescribedby
themanufacturer.
-IfapropermixingapplianceRegumatisnotinstalledinthesystem,whíchprovidesfor
returnwaterthetemperatureof65°C.
-afunctionalthermostaticvalve(WATTSSTS20)isnotinstalledonthecoolingcircuit
ofboilerandconnectedtothesourceofcoolingwater.
2

Content:
2.Important
3Content
4Introduction,generaldescription
5Technicalparameters
6Dimensionsofboilers
7,8ControlboardofATTACKDPSTANDARD,PROFI
9Purposeofuse,technicalparamaters,operationalrules
10Warning
11TechnicaldescriptionofDPPROFI
12Overheatingoftheboiler,thewaysofregulation,displayingfaults
13Maintenanceofheatingsystem,Prescribedfuel
14Chimney,exhaustpipe,connectingboilertothemains
15Protectionofboileragainstcorrosion
16Recommendedconnection
17Protectionofboileragainstoverheating
18Defectsandtheirremedy
19Possiblefaultsandthemeansoftheirelimination
20Schemeofdependencyofresistanceonthetemperatureofheatingwaterbythe
thermalprobe(DPPROFI)
21-22ElectricalschemesofboilerconnectionsATTACKDP
3

Introduction:
Dearcustomer,
Generaldescription:
DescriptionofATTACKDPbrand:
ATTACKDPwoodgasifyingboilerisdesignedforeconomicandecologicalheatingof
familyhouses,bungalows,smallplants,workshopsandsimilarobjects.
Thankyouforconfidencethatyoushowedusbypurchasingourproduct-ATTACKwood
gasifyingboiler. Wewishyoulongandreliableoperation.Properattendanceoftheboilerisone
oftheconditionsforreliableandrightoperation,sopleasereadthisinstructionforuse
carefully.Themanualiswritteninthewaytorespecttherightoperationoftheboilerin
centralheatingsystem.
Theconditionsofrightoperationoftheboiler:
-tochoosetherighttypeandoutputoftheboiler
-impeccableputtingintooperation
-sensitiveattendance
-regulartechnicalmaintenance
-reliableservice
SpecifiedfuelforATTACKDPboilersisdrywood,e.g.logsoflengths,dependingonthetype
ofboiler.Thewoodgasifyingboileristheholderof1015certificate.
ATTACKDP25Standard
35
45
75
ATTACKDP25Profi
35
45
75
Boileroutput
Woodgasifyingboiler
4
Version
Version
Boileroutput
Woodgasifyingboiler

Technicalparameters:
Specifiedmin.temperatureofreturnablewaterinoperationis65°C.
Specifiedtemperatureofwaterduringoperationintheboileris80-90°C.
5
TypeofboilerDP75DP25DP35DP45
BoileroutputkW16-2522-3529-4548-75(verziaSTANDARD)
OutputrangekW10-2514-3518-4530-75(verziaPROFI)
Heatingsurface2,302,703,105,20m2
Feedhoppercapacitydm105145185350
3
Dimensionoffeedingopenning235x445235x445294x544mm235x445
SpecifiedchimneyPa25252525
Max.workingwateroverpressurekPa250250250250
Boilerweightkg350390420650
Diameterofflueconnectionmm152152152219
Boilerheightmm1080132010801080
Boilerwidthmm580750580580
Boilerdepthmm1050115012651600
ShieldingofelectricpartsIP21212121
ElectricalinputW45454545
Boilerefficiency%86868686
COemisionclass3
Temp.offluegasinnominaloutput°C220220220220
Flowoffluegasinnominaloutputkg/s0,0150,0180,0210,045
Maximumnoiselevel656565dB65
Specifiedfuel
Averagefuelconsumption7,510,513,522,5kgh-1
mm550/580650/680750/7801000/1100
Burningtimeinnominaloutputhod.3333
Watervolumeinboilerl657892160
Min.volumeofequalisationbasinl5006257501500
VoltageV/Hz230/50
Consumptionforseason 1kW=1m3
°C65-90
°C10-27
V/A230/1,5
Drywoodof15-17Mj/kg-1calorificvalue,watercontent
min.12%-max.20%diameter80-150mm
Rangeoftemperature
ofheatingwater
Rangeofroomtemperature
(PROFIversion)
Currentcarryingcapacity
ofboilerregulatorcontacts(PROFIversion)
Max.lengthoflogs/Depthofcombustionchamber

DimensionsofATTACKDPboilers
1.Boilerbody
2.Controlboard
3.Feedingdoor
4.Ashdoor
5.Suckingfan
6.Flue
7.Heatproofshapedpiece-jet
8.Heatproofshapedpiece-ashpan
9Boilerthermostat
10.Reset
11.Fluegasthermostat
12.Controlthermostatofventilator
13.Switch
14.Thermometer
15.Regulatorofoutput
16.Coolingdowncircuitagainstoverheatingofwaterinboiler
17.Coverofcleaninghole
18.C.H.flowconnection
19.
20.Controldoor
21.Pullrodofchimneyflap
C.H.returnconnection
22.Boilerregulator(PROFIversion)
6
ATTACK®
C.H.flowconnection
C.H.returnconnection
1
2
3
4
5
6
7
8
9,10,11,12,13,14,15,22 21151617
18
19
20
17
width
depth
152 G1/2"
80mm/100mm (DP25,35,45)(DP75)
80 225mm/290mm (DP25,35,45)(DP75)
DP25DP35DP45DP75
G6/4"G6/4"G2"G2"
G6/4"G6/4"G2"G2"

Controlboard
1.Reset
2.Fuse
3.Mainswitch
4.Fluegasthermostat
5.Boilerthermostat
6.Thermometer
7.Pullrodcontrol
Description:
1.Reset-
2.Fuse-
3.Mainswitch-
4.Fluegasthermostat-
5.Boilerthermostat-
6.Thermometer-
7.Pullrodcontrol-
protectionoftheboileragainstoverheating(incasethetemperatureishigherthan
110degreesC,theboilerisdisconnectedfromthepowernet)
protectionoftheboileragainstshortcircuit
switchingonoftheboiler,switchingoffifnecessary
whenthetemperatureoffluegasdecreasesundersetupvalue,the
fanisswitchedoff
servesforsettingupmaximumtemperatureofwaterintheboiler(after
exceedingsetuptemperaturethefanisswitchedoffandthe
boilerworkswithminimumoutput.Afterdecreasingsetuptemperature
thefanisswitchedonagainandtheboilerworkswithmaximum
output.
indicatesoutlettemperatureofwaterfromtheboiler
servesforopeningandclosingoffuelcut-offflap
7
ATTACKDPStandard
Woodgasifyingboiler"ATTACKDPStandard"iscontrolledbyaboilerandfluegasthermostat.

ATTACKDPProfi
TheassetofProfiversionofATTACKDPboilerscomparingwithStandardversionisinmore
comfortableserviceandthepossibilityofheatoutputmodulationandadditionofcontrolelements.
Theboilertemperatureiskeptatthelevelsetbytheuser,bysettingupnumberofrevolutionsofthe
fluegasfan.ATTACKPROFIboilerregulatormeasuresthetemperatureofwaterintheboiler
continuouslyanddepictsitsvalueonthedisplay,controllingthepumpofcentralheatingatthesame
time.Thereisapossibilitytoconnectaroomthermostattotheboilerregulator.Theroomthermostat
providesthoroughregulationoftemperatureofheatedrooms.Thecontrolofdriveofthefour-way
mixingvalveispossibleaswell.
Backwardviewofelectronicregulator:
Settingoffluegas
fanspeedduring
burningupmode
Settingofpostpurgetimeoffanafterreachingsetuptemperatureofheatingwater
Fuse
2A
Connectingof
mixingvalve
(12V)
Connectingofroomtemperaturesensororthermostat
8
7-Controllightofcirculatingpumpoperation
8-Controllightoflackoffuel
9-Turningbuttonofroom
thermostat
10-TESTbutton(bypressingthebutton
thetemperaturesetupbytheturningbutton6.
appearsandatthesametimefluegas
fanswitchesoffforamoment)
1-Mainswitch
2-Displayshowingthe
boilertemperature
3-Controllightof
burningupprocess
4-Controllightofboileroverheating
5-Controllightof
roomthermostat
6-Turningbuttonofboiler
thermostat
1 2 3 4 5 6
9 8 7 10

9
Purposeofuse
Technicaldescription
ATTENTION!
Operationrules
Ecologicalhot-waterboilerAttackDPisdesignedforheatingoffamilyhousesandsimilar
objects.Theboilerisdesignedforburningwoodonly.Anydrywoodcanbeusedfor
burning,mainlylogs.Alsowoodofbiggerdiameter,blocks,canbeused,whichreduces
nominaloutputbutprolongsburningtime.Theboilercannotbeusedforburningfiledustand
smallwoodendebris.Thiscanbeburntonlyinsmallamounttogetherwithlogs(max.10%).
Duetoitslargefeedhopperyoucanavoidthemostdemandableoperationofpreparationand
cuttingthewoodintosmallerpieces.
Theboilerisdesignedforcombustionofwoodontheprincipleofwoodgasifyingusinga
fluegasfansuckingfluegasfromtheboiler.
Thebodyoftheboilerisaweldmentofmetalsteelplatesof6mmthickness.Itincludesa
feedhopperwithaheatproofshapedpiecethathasanoblongopeningfortransitionofflue
gasandgas.Underitintheafter-combustionspacethereisanashpan.Intherearpartofthe
boilerthereisverticalfluechannelwithafuelcut-offflapintheupperpart.Thereisalsoa
suctionbranchforconnectiontotheflue.
Inthefrontwallintheupperpartthereisafeedingdoorandinthebottompartthereisan
ashdoor.Inthefrontpartoftheuppercoverthereisapullrodoffuelcut-offflap.Thebody
oftheboilerisfromtheoutsideinsulatedbymineralfleeceputunderthecoversofoutside
jacket.Intheupperpartoftheboilerthereisacontrolboardforelectromechanical
regulation.
Intherearpartoftheboilerthereisachannelforinletofprimaryandsecondaryairwitha
regulationflapwheretheairisheatedtoahightemperature.
-Thermometerindicatesoutlettemperatureoftheboiler
-Ifitisnecessary,theboilercanbeswitchedoffbymainswitch
-Electriccircuitisprotectedbyafuse
-Fancanbeswitchedoffbyafluethermostatafterburningdownfuel.
Forheatingup,setthisthermostatto0°C.Afterfuelstartsburning,setthe
fluethermostatto"Operation".Ifthetemperatureoffluegasdropsundersetuptemperature,
thefluethermostatisswitchedoff.Ifyouwantthefanstartagain,youhavetosetupalower
temperature.Theoptimumconditionforoperationmustbetried.
-Regulationthermostatcontrolstheoperationofthefanbytheoutlettemperatureofwater
fromtheboiler.
-Safetynon-returnablethermostatservesasprotectionagainstoverheatingincaseof
breakdownoftheregulationthermostatorassignalizationdeviceforovercomingsafety
temperature.Afterovercomingthetemperatureitisnecessarytopressit.
Beforeputtingtheboilerintooperationmakesurewhetherthesystemisfilledwithwaterand
deareated.Theboilercanbeoperatedonlyinaccordancewiththeseinstructionsinorderto
workproperly.Itcanbeoperatedonlybyanadult.Wheninstallingtheboiler,laysomething
undertherearparttoelevateitin10mmforbetterflushinganddeareating.
Locationoftheboilersinlivingspaces(includinghalls)isinadmissible!
Description:
Preparingtheboilerforoperation
-STANDARDversion

Warning
CAUTION:
protectiontheboileragainstoverheating.
Afterthefirstheatingup,therecanbecondensationandcondensatemayleak.
Condensationdisappearsafterlongerheating.Whenburningsmallerwoodenwasteitisnecessaryto
checkthetemperatureoffluegaswhichovercome320°C.Otherwisethefancanbe
damaged.Creationoftarandcondensateinthefeedhopperisaphenomenonaccompanyingwood
gasifying.
Iftheboilerwasoutoforderforalongertime(switchedoff,brokedown),itisnecessarytouse
extremecautionwhenputtingintooperationagain.Innotworkingboiler,thepumpcanbeblocked,
watercanleakortheboilercouldgetfrostinwinter.
Forrefuelingfirstopenthefuelcut-offflapbythepullrod,donotstoptheventilator.Waitforsome
10seconds,thenslowlyopenthefeedingdoorsoasaccumulatedfluegascanbedraughttotheflue.
Duringheatingkeepthefeedhopperalwaysfull.Topreventsmoke,stokeotherfuelonlyafterthe
originalchargeisburntoutatleastto1/3ofthecontent.Thencoverlivecoalwithabroadlogandfill
inasusually.Thefuelmustnotbepressedoverthejetasthiscouldcauseextingiushingthefire.
Duringoperationthepullrodoffuelcut-offflapmustbeshiftedin,otherwisethefan
canbedamaged.
Thisisnotadefect
mustnot
Beforeburningthefuelopenthefuelcut-offflappullthepullrodoftheflapandsettheflue
thermostatto0°C.Throughtheupperdoorputdrywoodchipsontheheatproofshapedpiece
perpendicularlytothechanneltoleave2-4cmgapbetweenthefuelandchannelfortransitionofflue
gas.Putpaperorwoodwoolonthechips,thenchipsagainandabiggeramountofdrywood.After
burningthefuelswitchonthefanandclosethefuelcut-offflap.Onthethermoregulationvalvesetthe
demandedtemperatureofwater(80-90°C).Afterproperstartfillinthewholefuelbinandsetupthe
fuelthermostatintooperationposition.
Togasifywood,theremustbeareductionzoneintheboiler(alayerofcharcoalontheceramicshaped
pieceinthefeedhopper).Thelayercanbecreatedbycombustionofdrywoodofpropersize.When
wetwoodisburned,theboilerisnotworkingasagasifyingboilerandtheconsumptionofwood
rises,outputislowerthandemandedandtheservicelifeofboileraswellasthatofflueisshortened.
Ifthedraftisasspecified,theboilerworksupto70%ofoutputevenwithoutafan.
Outputregulationisconductedwithaflapontherearsideoftheboilerwichiscontrolledbya
thermoregulationvalve.Thevalveopensorclosestheflapautomaticlybysetupoutlettemperature
(80-90°C)ofwater.Payspecialattentiontosettingupthethermoregulatorasthisexceptof
regulationhasanotherimportantfunction-Forsetting
upfollowtheinstructionsforaseemblyandsetupoftheregulator.Checktheprotectionagainst
overheatingbyverifyingthefunctionofregulatorwith90°Cwater.Forthistemperaturethe
regulationflapmustbealmostclosed.Setupoftheregulatormustbetested.Thepositionofthe
regulationflapcanbewatchedfromthebacksideofthefan.Withtheboilerthermostatlocatedonthe
paneloftheboileryoucancontrolthefanbyoutlettemperatureofwater.Thetemperatureonthe
regulationthermostatshouldbyinlowerthantheoneonthethermoregulator.Onthepanelthere
isalsoafluethermostatservingtostopthefanafterburningoutofthefuel.Forheatingup,setitupto
0°C.Afterproperheatingupsetituptooperationpositionsothatthefanisworkingandisnot
stoppeduntilburningoutoffuel.Theoptimumpositionofthefluethermostatmustbewatchedbythe
kindoffuel,draftandotherconditions.Checkthetemperatureofoutletwateronthe
thermomanometer.Onthepanelthereisalsoasafetynon-returnablethermostat.
Heatingupandoperation
Electromechanicaloutputregulation
5°C
Refueling
Duringtheoperationthepullrodoffuelcut-offflapmustbeshiftedinotherwisethefan
canbedamaged..
CAUTION!
10

TechnicaldescriptionofATTACKDPPROFI:
Duringtheoperation,thedisplayisshowingthecurrenttemperatureofoutletheatingwater.
Speedofthefanarecontrolledinthisway:
-ifduringburningupprocestheboilertemperatureislowerthan45°C,thefanworkswiththe
outputsetupbytheturningofburningupbuttonsituatedinrearsideofregulatorintherangeof
40-100%.(onthedisplayyoucansee),forboiler
temperaturehigherthan45°Cthefanworksupto100%.
-ifthetemperatureofheatingwaterduringtheoperationismorethan10°Clowerthantheone
setupbytheturningbutton,thefanworksin100%output.
-ifthetemperatureofheatingwaterislowerthan10°Cfromthetemperaturesetupbythe
turningbuttonoftheboilerthermostat,theregulatordecreasestheoutputofventilatoraccording
tothedifferencebetweenthesetemperaturesbutonlytotheoutputnotlowerthan40%.
-iftheboilertemperatureishigherorequaltothetemperaturesetupbytheturningbuttonofthe
boilerthermostat,thefanswitchesoff.
-theventilatorswitchesonagainafterdecreasingtheboilertemperatureino5°Ccomparingto
thesetuptemperature.
Theregulationofboilerensuresthatthepumpforcentralheatingswitchesoffwhenthe
temperatureofouletwaterintheboilerdecreasesunder60°C.Thepumpswitchesonagainbythe
temperaturehigherthan65°C.
Topreventexplosionofaccumulatedgasduringignition,theboilerregulatorensurespurgingof
gasintheboilerin5secondsandtheneachminuteuntil9minutesaccordingtothepositionof
theturningpost-purgetimebuttonintherearpartoftheregulator.Duringthesetupthereis
alwaysinformationonthedisplaywhichlasts2seconds(P1,....,P9,P-).Incaseyoudonotwish
purgingofgasintheboiler,itisnecessarytosetup(P--)..
Tomaketheprocessofburninguptheboilerstable,thereisaburningupsysteminstalledinthe
regulator.Afterplugginginorstoppingthealarmtheregulatorissetuptotheprocessofburningup
andthismodeissignalledbyashiningdotonthedisplay.Theprocessofburningupisfinishedwhen
thedotstopsshinigandtheboilertemperaturereachesthevaluesetupbythethermostat.Incasethe
temperatureintheboilerdoesnotexceed65°Cin2hoursofburninguptime,theregulatorstopsthe
waste-gasventilatorandswitchesonthecontrollight-missingfuel.
Inthetimeofburningouttheboilerwhenthetemperaturefallsunder65°Candthisconditionlasts
formorethan30minutes,theregulatorstopstheflue-gasfanandthecontrollightofmissingfuel
shineson.
Whenthetemperatureofheatingwaterintheboilerfallsunder65°Candthisconditionlastsfor
morethan30minutes,theregulatorstopstheflue-gasfanandthecontrollightofmissingfuel
shineson.Ifintheburningupprocesstheboilertemperaturedoesnotraisetomorethan65°C,
missingfuelwillbeshiningonthedisplayafter2hours.Tostarttheregulationagain,itis
necessaryto:
r4=40%dor9=90%,rF=100%
Missingfuel
-refueltheboiler;
-burntheboilerup
-turntheturningbuttonoftheboilerthermostatintothemaximumleftpositionandthusstop
thealarm
-waituntilthecontrollightofmissingfuelflickers,
-byturningbuttonoftheboilerthermostatsetuptherequiredtemperatureoftheboilerandthe
regulatorstartstheprocessofburningup
11

Overheatingoftheboiler
Thewaysofboilerregulation
Displayingfaults:
Ifthetemperatureoftheboilerraisestomorethan95°C,theregulatorstopstheflue-gas
fanandthecontrollightofboileroverheatingshineson.Fornewstartitisnecessaryto:
-waituntiltheboilertemperaturefalls
-removethecauseofboileroverheating(e.g.refillmissingwaterintothecentral
heatingcircuit) °
-Turnthebuttonoftheboilerthermostatintothemaximumleftpositionadthusstop
thealarm
-waituntilthecontrollightofboileroverheatingstartsflickering;
-tostarttheregulatoragain,setuptherequiredtemperatureoftheboilerbytheturning
buttonofthethermostat;
Ifthetemperaturefallsunder60°C,theregulatorcomesintotheburningupmode.
Theboilerenablesregulationofroomtemperatureaswellasconnectingthesensorofroom
temperature.Iftheroomtemperatureislowerthanthesetupone,thecontrollightnearthe
buttonofthermostatshineson,whichmeansthattheboilermustkeepthesetuptemperature.
Afterreachingtherequiredtemperaturethecontrollightswitchcesoff,thecircuitpumpof
centralheatingswitchesoffandtheboilerstartsburningatthetemperatureof65°C.
Fortheregulationbyroomtemperatureitispossibletoconnectwiththeterminalsforthe
sensorofroomtemperatureanyroomthermostatthatcanbeprogrammable.Inthiscasethe
turningbuttonoftheroomthermostatisnotworking.
Ifyoudonotwishtousetheroomthermostatnortheroomsensor,theinletterminalsmustbe
short-circuited.Inthiscaseonlytheboilerthermostatisworking.
Totheboilerregulatorcanbealsoconnectedamixingvalvewithan12Velectricdrive.(This
systemisnotdeliveredwiththeboiler).
Theboilerregulatorconstantlyverifiesthefunctionsofinternalsystemsandofthesensorof
boilertemperature.Afterfindingoutthedefect,theregulatorswitchesofftheflue-gasfan,the
centralheatingpumpandatthesametimethedefectshowsonthedisplay.Inthecaseoffailure
itisnecessarytoswitchtheboileroffbythemainswitch.Continuousoperationofthecentral
heatingpumpmustbeassuredbypluggingintothemains.Fuelmustbeburntthoroughlyand
thecontractservicecompanycontacted.
IfE1faultappearsonthedisplay,itmeansthedamageofthesensorofboilertemperature.
Warning!Watercanberefilledonlyaftertheboilertemperaturefallsunder40C.
12

Permanent-heatoperation
Cleaningtheboiler
Permanent-heatoperationoftheboilermeansfirecanbekeptduringthenightwithoutheatingup
Thiswayofoperationshortenstheservicelifeoftheboiler.Forpermanent-heatoperationpreparethe
boilerthisway:
-Pntheglowinglayer
-Getthemixingvalveready.Afterclosingthevalvethetemperatureofwaterrisesto80-90°C.
-Regulationflapcontrolledbythethermoregulatorisclosedautomaticlyandthefanisswitchedoff.
Intheboilerpreparedlikethisburningiskeptformorethan12hours.Duringpermanent-heatoperationthe
temperatureofwaterintheboileris.
Whenthereistoomuchash,thereisnotenoughspaceforburningoutoffuelandaholderof
ceramicjetaswellasthewholeboilercanbedamaged.Whencleaningtheboiler,firstlyturntheventilatoron,
openthefeedingdoorandwipetheashthroughaslotintobottomspace.Leavelongunburntlogsinthefeed
hopper.Opentheuppercleaningcoverandcleaninsidewithabrush.Afteropeningthebottomcleaningholetake
ashandsootout.Afteropeningthebottomdoorcleanthebottomspace.Cleaningintervaldependsonthequalityof
wood(moisturecontent),heatingintensity,draftoftheflueandothercircumstances.Werecommendtocleanthe
boileronceaweek.Onceayearminimallycleanthe
movingwheelofthefanandcheckthroughthecleaningholefoulingofregulationofprimaryandsecondaryair
flowingintofeedchamberandcleanwithascrewdriverifnecessary.Itinfluencestheoutputandqualityof
burning.Regularandpropercleaningisimportantforpermanentoutputandservicelifeoftheboiler.
Incaseofinsufficientcleaningtheboilercanbedamagedand
Atleastonceinfortnightcheckorfillupwaterintheheatingsystem.Iftheboilerisoutofoperationduringwinter,
watercanbefrostinthesystem.Thereforeitisbettertodischargewaterofthesystemorfillinwithantifreeze
agent.Otherwisedischargewateronlyincriticalsituationsandfortheshortesttimepossible.
,replacedamagedparts.Twiceayearcleanthemovingwheelofthe
ventilatoranditsairchamber.
Specifiedfuelisdriedcutwoodandlogsof80-150mmdiameter,withmin.12%andmax.20%moisturecontent
andcalorificvalueof15-17MJkg.Itisalsopossibletoburnbigpiecesofwoodenwastewiththicklogs.
butonly
inwinter.
80-90°C
Theboilermustbecleanedregularlyandproperlyevery3-5daysbecauseashsettleddowninthefeed
hoppertogetherwithcondensatesandtardecreasesoutputandservicetimeoftheboilerandisolatesheat-
exchangingsurface.
Donotpullthefireclayshapedpieceoutwhencleaning.
guaranteeexpires.
Afterheatingseason
isfinished,cleantheboilerthoroughly
daily,
utafewbiggerlogs(4-6)o
Dismantletheoldpackingcordwithascrewdriverandcleantherabbetwhereitwasplaced.Takethenewpacking
cordandputitsbeginingonthehorizontalpartsoftherabbet.Withyourhandorlightknockofthehammerpressit
intotherabbetonthecircumferenceofthedoor.
Aftersometimethepackingcordinthedoorgetsdeformed.Torepackthedoor,itisnecessarytochangethe
positionofthedoor.Thepositionischangedbytighteningthehingesofthedoor.Feedingdoorandbottomdoorare
joinedtothebodywithtwohingeswhichareattachedtothedoorwithalongpin.Ifwewanttochangethe
adjustmnentofhinges,itisnecessarytoremovethepinandscrewthehingebyturningit.Fitthedooronandinsert
thepinintothehinge.
Thebodyofnozzleisplacedintheboilerbodyinanozzleholder.Inthelowerpartisthenozzlebodysealedby
boilerluteandintheupperpartbyapackingcord.Whenexchangingthenozzle,removethepackingcordfromthe
rabbetbyascrewdriver.Removethenozzlebodyandcleantheholderthoroughlyfromthetarandoldlute.Onthe
cleanedsurfaceputthenozzlebodyinsulation.Takethenozzleandputitontheholdersothattheshorterwallwas
intherearpartoftheboilerpushedtothestop.Thelateralclearancemustbethesame.Takethenewsetofpacking
cordsofthenozzlesandwithalightknockpressitintothegapsoastobeatthesamelevelwiththenozzle.
WARNING-
Maintenanceofheatingsystemandboiler
Prescribedfuel
Changingthepackingcordofthedoor
Adjustmentofhinges
Exchangeofthenozzlebody
Settingoftheboilercombustion
Settingoftheboilercombustionisexecutingthroughtheregulationsflapsoftheprimaryandsecondaryair.
Boilersarefromtheproductionsetforthemostoptimalburningconditionsintermoftheemissionsandthe
tempertatureofexhaustgas.Settingcanbeexecutedonlybyproducerorbytrainedserviceman.
Themostoptimalsettingoftheregulationflaps:
-1
13
flapofthesecondaryair:
DP25backstop+2mm
DP35backstop+2mm
DP45backstop+4mm
DP75backstop+4mm
flapoftheprimaryair:
DP25totallyclosed/backstop/
DP35totallyclosed/backstop/
DP45totallyclosed/backstop/
DP75backstop+5mm

Note
Logsofbiggerdimensionsisnecessarytocutintohalvesorquarters(becauseofthe
requirementofoperationtonominaloutput).Youcanburnhardaswellassoftwood.Wood
mustbedried!
Attachmentoftheappliancetothefluemustbealwaysdonewithapprovalofauthorized
chimney-sweepingcompany.Theremustalwaysbesufficientdraftintheflueandfluegas
mustbedraughttotheatmosphereinallpossibleoperationconditions.Fortherightoperation
oftheboilertheindependentfluemustbedimensionedintherightway,
Thedraughtisinfluencedbythe
sectionofflue,heightandroughnessoftheinternalwall.Intothefluewheretheboileris
attached,nootherappliancecanbeattached.
Fluedraughtmusthavethespecifiedvalues.Butitmustnotbetoohighso
asnottodecreasetheefficiencyofboilerandinterruptburning.Ifthedraughtistoostrong,
installathrottlevalvebetweentheflueandboiler..
20x20cmmin.height7m
O20cmmin.height8m
15x15cmmin.height11m
O16cmmin.height12m
ExactdimensionsoffluearespecifiedbythestandardSTN734210.Fluedraughtisspecified
intechnicalparameters.
Exhaustpipemusthavetheoutletintothechimney.Iftheboilercannotbeattachedtothe
chimneydirectly,theexhaustpipemustbe
withoutheatingsurfaceanditmustrisetotheflue.Exhaustpipesmustbetightandresistant
againstfluegasleakageandcleanablefrominside.Exhaustpipesmustnotcomethroughhome
andutilityspacesandtheinternalsectionoftheexhaustpipemustnotbenarrowingtotheflue.
Usingofbentsisnotsuitable.
Theboilerisconnectedtothemainsof230V,50Hzbyasupplycordandplug.Thevoltageisof
Mtypeandwhenreplaced,thesametypemustbeusedbyaserviceoragnization.Theappliance
mustbelocatedinsuchawaythattheplugwaswithinthereachoftheattendance.
(accordingtoSTNEN60335-1+A11:1997).
Boileroutputdependsonthemoisturecontentofwood.Outputandfunctionoftheboiler
isguaranteedformaximummoisturecontentof20%.
Chimney
becausecombustion,
outputandservicelifeofboilerdependsonthedraught.
Thefluediametermustnotbesmallerthanthe
outletontheboiler.
Exhaustpipe
asshortaspossibleandnotlongerthan1m
Connectingtheboilertothemainsnet
Informativevaluesoffluesection:
14

Attachmentofregulationandcontrolelements
theboilerwasnotundercooledontheinletofreturnablewaterunder65°C
Protectionofboileragainstcorrosion
Theboilerisdeliveredtoaconsumerequippedwithbasicregulationandcontrolelements.
Attachmentoftheseelementsisindicatedonthechartofconnection.Werecommendtoextend
theregulationofboilerwithotherregulationelementswhichenablemorecomfortableand
economicoperation.Eachpumpinthesystemmustbecontrolledbyanindividualthermostat
soas.
Attachmentoftheseelementscanbesuggestedbyadesignerduetospecificconditionsofthe
heatingsystem.Electricinstallationtogetherwiththeproperequipmentoftheboilermustby
donebyaspecialistincompliancewithvalidstandards.Thebasicversionofboiler(Standard)
doesnothaveathermostatforpumpbuilt.
Suitablesolutiontothisproblemismixingappliance(RegumatATTACK-OVENTROP)ora
thermoregulationvalvewhichenablesseparatedboilerandheatingcircuit.Thiswayyoucan
preventundercoolingofboilerunder65°Candalsodecreasecondensationofsteam,acidsand
tarsinthefeedhopper.Withaflapofthree-wayvalveyoucanregulatethetemperatureof
heatingwaterindependentlyontemperatureofwaterintheboiler.Waterintheboilermustbe
permanentlyof80-90°C.
Standardsfordesignandassemblyofboilers:
Installationandexchangeoftheheatproofshapedpieces:
Sectioncrossboiler-combustionchamber
STNEN303-5-Heatingboilersusingsolidfuel
STN734210-Productionoffluesandexhaustpipes
STN920300-Firesafetyoflocalappliances
STNEN60335-1+A11-Safetyofdomesticelectricalappliances
STN061000-Localappliancesofsolid,liquidandgaseousfuels
Thebackpartoftheashpanpos.1insertintothelowerchamber
andpushtostoptothebackplate.Insertthefrontpartoftheash
panpos.2andpushtostoptothebackpartoftheashpan.
Ontheashpanputthesuper-structureofashpanpos.3andpush
ittostoptotherear.Theashpanshouldbesituatedinthecentre
lineofboileratthefrontsight.
Bytheexchangeofthedamagedjetpos.4orcubepos.5follow
thenext:Jetandcube/cubeonlybyDP35andDP45/takeout
aftertheeliminationofgaskets.Theninsertnewjeteventually
cubeandbackwardssealupwithgasket.Ifitisnecessary,gaskets
alsochangewithnew.Thejetisinsertedwiththesign,whichis
situatedonthelowerpartofthejetintothebackpartoftheboiler.
15

Recommendedconnections
16
Recommendedconnectionofboilerwith4-waythermoregulationvalve
RecommendedconnectionofboilerwithREGUMATATTACK-OVENTROP
BOILER
ATTACK
DP
Expansionvessel
4-waythermoregulation
valve
Heatingsystem
BOILER
ATTACK
DP
Expansionvessel
Pump
Regumat
ATTACK-
-OVENTROP
Heatingsystem
Checkvalve

17
Boilerhastobeoperatedwiththenominaloutput.Incaseofthewarmthtakingbytheoutput,whichis
lowerthanthenominal,itisnecessarytoconnecttheboilerwiththeaccumulationtankwithvolumeof
min.460l(STNEN303-5,clause4.2.5).
1.ATTACKOventropkeepsthetemperatureofreturnheatingwatercomingtotheboileron
65.Temperatureofreturnheatingwaterunder60°Ccausesthecondensationofsteams,
acidsandtarsinthefeedchamberanditisthereasonoftheboilerusefulllifeshortening.
Technicalparameters:
ClarityDN25
Max.pressure10bar
Max.temperature120°C
Valuekvs3,9
ATTACKOventropconsistsofthree-waymixingvalve,pumpWilo,2thermometers,
thermoregulationvalve,thermostatichead,by-pass,distanceunitandisolation.The
adventageofthissolutionconsistsincompactness,simpleattendanceandguaranteed
protectionofboilerheatingexchanger.
ATTACKOventropforboilers:Ordercode:
ATTACKDP25,DP35,DP45DPP25003
°C
,DP75
Protectionandusefulllifeextentionoftheboiler
12
43
Recommendedconnectionofboilerwithaccumulationtank
BOILER
ATTACK
DP
Regumat
ATTACK-
-OVENTROP
Heating
system
ACCUMULATION
TANK
D.H.W
Tank
Expansionvessel

2.Connectionwiththreewaythermoregulationvalve
3.Connectionwithaccumulationtank
OperationalprincipleisthesameastheconnectionwithATTACKOventropregulation
system.Whenthetemperatureishigherthat65°Cthethermoregulationvalveopensthe
circuitinheatingsystem.Whenthetemperatureislowerthan65°Cmakesthiscircuitclosed
andtheboilerworksintheshortboilercircuit.Thisappliancekeepsthereturnheatingwater
commingtotheboileratthemin.temperatureof65°C.
Recommendedthreewayregulationvalve:
ForBoiler:Type:Ordercode:
ATTACKDP25,DP35DN32DPP25004
ATTACKDP45,DP75DN50DPP45001
Connectionsystemconsistsinheatingupofwaterinaccumulationtanksandthewarmthis
graduallytakingawayfromthetanksaccordingtotherequestfromtheheatingsystem.Bythe
operationwithseveralheatingupsatfullperformance,accumulationtankswillbeheatedfor
thetemperatureof90-100°C.Heatingwithaccumulationtanksinconnectionwiththe
ATTACKDPboilersbringmoreadvantages..Amongthemainadvantagesbelong
enlargementoftheboilerlifeandintheendresultalsolowerconsumptionoffuel.
Recommendedvolumesofaccumulationtanksaccordingtoboileroutput:
DP25-1500-2000l
DP35-2000-2500l
DP45-2500-3000l
DP75-4000-4500l
ODPAD
STS20
Protectionoftheboileragainstoverheating
Instructionsforliquidationoftheproductafteritslifetime
Liquidationofwrapping
CAUTION:Coolingcircuitagainstoverheating
mustnotbeusedbySTNEN303-5
forotherusethanprotectionagainstoverheating.
STS20valvewhichhasasensorplacedintherear
partoftheboilerprotectstheboileragainst
overheating.Ifthetemperatureofwaterinthe
boilerovercomes95°C,thevalveletswaterinto
acoolingcircuitwhichovertakesexcessingheat
anddischargesitintothedrain.
Theproductshouldbeliquidatedbysellingtoascrap-materialdealerortoadumpmanaged
byalocalauthority.
.Thewrappingshouldbeliquidatedbysellingtoascrap-materialdealerortoadump
managedbyalocalauthority.
18
Watersupply
Fromwaterpiping
Pressure2-6bar
10-15°C

19

Schemeofdependencyofresistanceonthetemperatureofheatingwaterbythethermalprobe(DPPROFI)
Teplota
°C
-55
-50
-40
-30
-20
-10
0
10
20
25
30
40
50
60
70
80
90
100
110
120
125
130
140
150
951
1000
1105
1218
1338
1467
1603
1748
1901
1980
2057
2217
2383
2557
2737
2924
3118
3318
3523
3722
3815
3901
4049
4153
Odpor
kOhm
980
1030
1135
1247
1367
1495
1630
1772
1922
2000
2080
2245
2417
2597
2785
2980
3182
3392
3607
3817
3915
4008
4166
4280
1009
1059
1165
1277
1396
1523
1656
1797
1944
2020
2102
2272
2451
2637
2832
3035
3246
3466
3691
3912
4016
4114
4283
4407
MINMAX
20