Atlantic Boilers BK20 Operating & Maintenance Instructions

Brand: Atlantic Boilers

Model: BK20

Type: Operating & Maintenance Instructions

This manual is also suitable for

BK30

BK SERIES

SUPER CONDENSING BOILERS

OPERATING & MAINTENANCE

INSTRUCTIONS

ATLANTIC BOILERS, PO BOX 11, ASHTON UNDER LYNE, OL6 7TR T: 0161 621 5960 E: inf[email protected] www.atlanticboilers.com

FOR TECHNICAL HELP/ADVICE Call 0161 621 5960

or email [email protected]

FOR FULL PRODUCT RANGE & LITERATURE

Visit www.atlanticboilers.com

BK20 BK30

Contents

1 Overview – laws, regulations

and standards 2

2 Information 4

2.1 Identication(label) �� 4

2.2 Warningsymbols �� 4

2.3 Importantinformation �� 4

2.3.1 Updatingservice ��4

2.3.2 Actuality �� 4

2.3.3BK FullyCondensingBoiler ��4

2.3.4 Abouttheseoperatinginstructions �� 5

2.4 Validity �� 5

2.5 Applicability �� 5

2.6 Liabilitylimitations �� 5

3 Safety instructions 6

3.1 Generalinformation �� 6

3.2 Safetyguidelines �� 6

3.2.1 Riskoffrostdamage ��7

3.2.2 Corrosion,boilerdamage �� 7

3.3 Norms,regulations �� 7

3.4 Operationandmonitoring �� 7

3.4.1 Burnerfaults/remoteunlocking ��8

3.4.2 Maintenance(servicing) ��8

3.5 Safetyinstallations �� 8

3.5.1 Water-sidesafetyinstallations��8

3.5.2 Gas-sidesafetyinstallations ��8

3.5.3 Labelandoperatinginstructions ��8

3.5.4 Additionalsafetyinstallations ��8

3.6 Wastedisposalandenvironmental

protection �� 9

4 Function and description 10

4.1 Functionandoperatingprinciple �� 10

4.2 Boilerdescriptionanddimensions �� 10

4.2.1 Trialrun,productioncontrol,

qualityassurance �� 10

4.2.2 Operatingcharacteristics,adjust-

ment �� 10

4.2.3 Materials ��11

4.2.4 Safetyinstallations ��11

4.2.5 Fluegassystem ��11

4.2.6 Combustionair ��11

4.2.7 Reservoir–servicewaterheater � 12

4.3 Unintendeduse �� 12

4.4 Technicaldata �� 13

5 Delivery – transportation to

installation site 15

5.1 Safetyinstructions �� 15

5.2 Unloading,useofhoist �� 15

5.3 Completenessofdelivery �� 15

6 Installation and connection 16

6.1 FullyCondensingBoiler �� 16

6.2 Electricalconnection �� 16

6.3 Burnerinstallation �� 17

6.4 Condensatedrainage �� 18

6.5 Handingoverandservicing

instructions �� 18

7 Cleaning 20

7.1 Cleaningofcombustionchamber

andboiler �� 20

7.2 Cleaningofuegaspasses �� 21

7.3 Cleaningofuegaspassesbox

(open) �� 21

7.4 Wetcleaning–neutralizationbox

andplasticheatexchanger �� 23

8 Terminal assignment and le-

gend to Conform 6.0 26

9 Spare parts BK20, BK30 28

10 ECconformitycertication 32

11 Guarantee 33

12 Notes 34

BK20/BK30

Overview–laws,regulationsandstandards

1 Overview – laws, regulations

and standards

General information:

Transportation,installation,mountingandelectri-

calconnectionsshouldbedonebyacompetent

person.Hebearsresponsibilityforaproper

implementationoftheseworks.

BeforeinstallationoftheFullyCondensingBoiler,

itisnecessarytoobtainpermissionofthelocal

heatingequipmentinspectionboardorother

competentauthorities.

Inordertopreventpenetrationofoxygenintothe

closedheatingsystem,itisadvisabletoperform

asystemdivisionbetweentheoorheating

andtheheatingsystembymeansofaheat

exchanger.

Itisadvisabletoinstallatemperaturesensorfor

theoorheatingsystem,inordertoprotectpipes

andoorcoveringfromoverheating.

Sincecorrespondingregulationsvaryindifferent

federallands,werecommend,beforeboilerins-

tallation,toconductconsultationswithcompetent

authoritiesandthelocalheatingequipmentins-

pectionboard.Combustionairsupplyshouldbe

performedinsuchawayastoexcludesuction

ofuegasesfromheatingsystemsworkingon

liquidorsolidfuels.

Thecombustionairsuppliedtotheunitshouldbe

freefromchemicalsubstancessuchasuorine,

chlorineorsulphur.Thesesubstancesarecon-

tainedinsprays,solventsandcleaningagents.

Theymaycause,inspeciccases,corrosionof

someunitcomponentsparticularlyinchimneys.

Beforetheunitisputintooperation,itisneces-

sarytocheckwithcompetentauthoritieswhether

condensateneutralizationisrequired.

Ifanychangesinthecontrolsystemoritssepa-

rateitemsaremade,thentheguarantee,incase

ofpossiblesubsequentdamages,shallbeinva-

lid.Itisrecommendedtoinstallasafetyvalve

with“H”identicationintotheheatingcircuit.

Themaximumpressureofthedischargepipeis

3bars.Ifthedischargepipeofthesafetyvalve

owsintotheseweragenetwork,itisnecessary

tointegrateadraintrap.

92/42/EWG

Efciencyguidelines

2006/95/EG

Electricalequipmentdesignedforusewithincer-

tainvoltagelimits

DIN EN 267:2011-02

Fan-assistedoilburner

DIN EN 676:2003 + A2:2008

Automaticforceddraughtburnersforgaseous

fuels

DIN EN 677:1998-08

Gas-redcentralheatingboilers

DIN EN 14 471:2005

Chimneys–systemchimneyswithplasticue

liners

DIN EN 15 034:2007-01

Chapters 4.3.1 and 4.4

Heatingboilers–condensingheatingboilersfor

fueloil

DIN EN 15 035:2007-05

Chapters 6.1, 6.3.1, 6.3.3.1

Heatingboilers–specialrequirementsforoil

redroomsealedunits

DIN 18 160-1 Supplement 3

Chimneys

DIN EN 12 828:2003

Safety-relatedequipmentofheatingsystems

2006/42/EG

Machineguidelines

DIN EN 303-1:2003-12

Chapters 4.1.5.10 to 4.1.5.12

Condensingheatingboilerswithfan-assisted

burner

DIN EN 303-2:2003/12

Chapters 3.2 to 3.5 and

Appendices A and B

DIN EN 303-3:2004-10

Chapters 5.4 to 5.5

Overview–laws,regulationsandstandards

DIN EN 304:2004/01

Condensingheatingboilers–testcodeforhea-

tingboilerswithfan-assistedoilburners

1 BImSchV (22.03.2010)

Regulationonsmallfurnaces

ATV A 251

Removalofcondensatefromchimneys

DIN EN 60 335-1:2010

DIN EN 60 335-2-102:2010

Safetyofhouseholdandsimilarelectricalappli-

ances

2004/108/EG

Electromagneticcompatibility

Furthermore, for installation in Austria the

following norms and regulations are valid:

• ÖVE–Rulesandlocalrules

• Art.15aB-VG

• FAnlG–LawonfurnacesdatedJune12,

2011

Switzerland:

• Swissprovisions(BAFU)andcerticateof

conformityforoilandgas(LRVArticle20)

• Environmentalprotectionlaw

• Waterprotectionact

• Waterprotectionordinance

• Recommendationforsewagedrainagefrom

condensingheatingsystems

• SVGWgasguidelines

• SVGWwaterguidelines

• Recommendationconcerningtheminimum

chimneyheight(aboveroof)

• VKFreprotectionregulations

• SWKIguidelines

• SEVandESTIrules

BK20/BK30

Information

2 Information

2.1 Identication(label)

Product Id. Nr.

Heating output

Flue gas temperature

Max. operation temperature

Max. operation overpressure

Water content

Electrical connection

Protection class

Installation type

Degree of efficiency

Country of destination

Unit category

Boiler number

0085

Oil

Giersch (G)

Produkt ID-Nr.

CE-0032BQ2719

15 kW 19 kW 21 kW

CE0035CM103

15 - 21 kW

47°C / 54°C

100°C

3 bar

58 l

230 V~/50 Hz/175 W

IP40

C13/C33/C43/C53/C63/C83

99%

DE, AT, BE, CH, CZ, FR,

GB, PL, SE, SK, LU

see identification plate

gasburner

see boiler base in front left

Firing capacity

Giersch (GBZ)

DIN CERTCO Reg.Nr.

5G1049/11S

UNIT BK20 fully condensing boiler with fan

Gas

Weishaupt (WG) 15 -21 kWWeishaupt (W)

Produkt ID-Nr.

CE-0036 0362/05

Produkt ID-Nr.

CE-0085AU0353

MHG (M)

Produkt ID-Nr.

CE-0032BR2740

Set on kW

Product Id. Nr.

Heating output

Flue gas temperature

Max. operation temperature

Max. operation overpressure

Water content

Electrical connection

Protection class

Installation type

Degree of efficiency

Country of destination

Unit category

Boiler number

0085

Oil

Giersch (G)

Produkt ID-Nr.

CE-0032BQ2719

22 kW 26 kW 32 kW

CE0035CM103

22 - 32 kW

47°C / 54°C

100°C

3 bar

70 l

230 V~/50 Hz/95 W

IP40

C13/C33/C43/C53/C63/C83

99%

DE, AT, BE, CH, CZ, FR, GB,

PL, SE, SK, LU

see identification plate

gasburner

see boiler base in front left

Firing capacity

Giersch (GBZ)

DIN CERTCO Reg.Nr.

5G1049/11S

UNIT BK30 fully condensing boiler without fan

Gas

Weishaupt (WG) 22 - 32 kWWeishaupt (W)

Produkt ID-Nr.

CE-0036 0362/05

Produkt ID-Nr.

CE-0085AU0353

MHG (M)

Produkt ID-Nr.

CE-0032BR2740

Set on kW

2.2 Warningsymbols

Intheseoperatinginstructionsthefollowingwar-

ningsymbolsareused:

Disregardingtheinstructionsmarkedwiththis

symbolmayresultinadangerforpersonsand

propertydamage.

Attention

Thissymbolspeciesinformationrelatedto

boileroperationaswellastocorresponding

organizationalandtechnicalissues.

Information

2.3 Important information

Careshouldbetakentoensurethat,depen-

dingonthefuelandboilertype,theapprop-

riateoperatingmodeisselected(SeeOpe-

ratinginstructionforConform6.0andInitial

commissioningmanual).Failuretocomply

withthisprovisionwillresultinexpirationof

theguaranteeontheboilerbody!Withoutthe

submittedcommissioningreport,theguarantee

agreementwiththecompanyshallnot

enterintoforce.

Information

Inordertopreventpenetrationofoxygeninto

theclosedheatingsystem,itisrecommended

toperformsystemseparationbetweentheoor

heatingandtheheatingsystem,bymeansofa

heatexchanger.

2.3.1 Updating service

Theseoperatinginstructionsarenotsubjectto

modications!

Themanufacturerreservestherighttomake

atanytimemodicationsandimprovementsin

termsoffurthertechnicaldevelopment,toall

technicaldata,informationandimages.Any

claimsforafreemodicationorimprovementof

alreadydeliveredFullyCondensingBoilersare

excluded.

2.3.2 Actuality

Allreferencestolaws,regulations,guidelines,

normsetc.mentionedintheseoperatinginstruc-

tions,arecorrectasoftheperiodoftheinstruc-

tions’drafting(may2012).

2.3.3 Fully Condensing Boiler

Thecopyrightfortheseoperatinginstructions

remainswiththecompany.

Information

2.3.4 Abouttheseoperatinginstructions

Forreasonsofclarity,theseoperatinginstruc-

tionsdonotcontainalldetailedinformationwith

regardtopossibleconstructionalandequip-

mentversionsoftheFullyCondensingBoilerin

question.Atthesametime,itisnotpossibleto

foreseeeveryimaginablecaseofinstallation,

conguration,operationand/ormaintenance.In

theeventyouwillrequireadditionalinformation

orsomespecicproblemswillarisethatarenot

addressedindetailintheseoperatinginstruc-

tions,pleasereferforinformationtoacompetent

heatinginstallationcompanyordirectlytothe

company.

2.4 Validity

Theseoperatinginstructionsarevalidonlywith

respecttotheFullyCondensingBoilermarked

withtheproductionnumber(SeeLabel).When

makingrequestsandorderingspareparts,ple-

asealwaysstatethesemodel(factory)numbers!

Theseoperatinginstructionscontaininformation

abouttheFullyCondensingBoileranditsitems

ofequipment,insofarasthesebelongtothe

scopeofdelivery.Statementsaboutequipment

notbelongingtothescopeofdeliveryareinten-

dedpurelyforinformationalpurposes.Alegal

claimforthisequipment(options)isexcluded.

Shouldmaterialsofthethird-partymanufacturers

beattachedtotheseoperatinginstructions(ope-

ratinginstructionsofthirdparties),sothe

companycannotassumeanyliabilityfortheir

correctness,validity,technicaldataetc.

2.5 Applicability

Allinformationprovidedhereinwithrespectto

theworksafetyandenvironmentalprotection

correspondswithEU/ECregulationsand/orwith

theEquipmentSafetyAct(GSG)oftheFederal

RepublicofGermany.Thecustomer/operator

should,underhisorherownresponsibility

• Considerthelaws,regulations,rules,gui-

delines,technicalinstructionsetc.specied

above,asabasisforsafehandlingand

maintenance,

• Measuretheircompliancewiththelocal

regulations,and

• independentlyinstallandadjustadditional

accessoriesprescribedbythelocalcom-

petentauthoritiesandcarryoutappropriate

worksandmeasuresusingtheresourcesof

aspecialistcompany.

2.6 Liabilitylimitations

Thecompanytakesnoresponsibilityfor

damagestothedeliveredFullyCondensingBoi-

lercausedbythefollowingreasons:

• Ignoranceoforfailuretocomplywiththese

operatinginstructions.

• Insufcientlyqualiedmaintenancestaffor

inadequatelyinstructedservicepersonnel.

• Naturalwearandtear!Fordetailssee

DIN31051Part4,EN13306„Maintenance

terms“.

• FaultyornegligenthandlingoftheFully

CondensingBoilerand,inparticular,omis-

sionoftakingmeasuresastosafeand

proper

◦ Installationandcommissioning,

◦ Operationandmonitoring,and

◦ Maintenance(servicing).

• Defectiveinstallationworksand/ordefective

electricalinstallation.

• Chemical,electrochemicalorelectricalinu-

ences.

• Forsubstantialthird-partyproducts,the

liabilityofthecompanyislimitedto

theassignmentofliabilityclaimstowhichthe

companyisentitledagainstthe

supplierofthethird-partyproducts.

Priortoeachcommissioningandmaintenance

cycle,thefurnaceshouldbecheckedforgas

sidemalfunctionsandleakproofness.

Attention

BK20/BK30

Safetyinstructions

Theoperatinginstructionsshouldbepositioned

visiblyadjacenttotheFullyCondensingBoiler.

Theconnectionandadjustmentoftheheating

systemshouldbeperformedbyaqualiedplum-

ber.Theheatingtechnicianshouldfamiliarizethe

operator(s)oftheFullyCondensingBoilerwith

itsfunctionsandservicing!Intheeventofany

faultsordisturbancesintheoperationoftheFully

CondensingBoiler,pleasenotifytheheatingins-

tallationcompany!

If you smell gas, there is a risk of explosion

• Avoidopenreandsparkformation(for

examplewhenturningonandoutlightsand

electricalappliances)

• Closetheshut-offgasvalveandnotifythe

heatinginstallationcompany

If you smell exhaust fumes, there is a risk of

poisoning

• Switchofftheunit

• Opendoorsandwindows

• Notifytheheatinginstallationcompany

Ifthereisariskofre

• Immediatelyputoftheheatingemergency

switch(incaseitisoutsidetheinstallation

room)

• Closetheshut-offgasvalve

• Intheeventofare,usethesuitable

reextinguisher(reclassBpursuantto

DIN14406)

Dimensionaldistancesfromtheboilertocom-

bustibleitemsormaterialsshouldcorrespond

tolocalreprotectionnormsbuttheyshouldbe

atleast200mm(seeFig.1).Otherwise,thereis

dangerofare.

3 Safety instructions

3.1 General information

Theseoperatinginstructionsarevalidexclusively

fortheBK FullyCondensingBoiler.Thestaff

inchargeofinstallation,commissioningormain-

tenanceshouldreadtheoperatinginstructions

priortostartingtheseworks.Therequirements

containedintheseoperatinginstructionsmust

beadheredto.Intheeventofanon-compliance

withtheoperatinginstructions,theguarantee

claimvis-à-visthecompanyshallexpire.

3.2 Safety guidelines

ForaproperandreliableoperationoftheFully

CondensingBoiler,itisnecessarytoobserve

thefollowingsafetyguidelines.

Attention

• Installation,commissioningandmainte-

nanceoftheFullyCondensingBoilershould

beperformedonlybyqualiedandtrained

personnel.

• Workswithelectricalcomponents(for

example,adjustment)aretobeperformed

onlybyqualiedelectricians.

• Duringinstallationofelectricalequipment,

theprovisionsofVDE(GermanAssociation

forElectrical,Electronic&InformationTech-

nologies)andofthelocalelectricitysupply

companyarerelevant.

• TheFullyCondensingBoilermaybeope-

ratedonlywithinthepowerrangeindicated

inthetechnicaldocumentationofthecom-

panyandoftheburnermanufacturer.

• TheintendeduseoftheFullyCondensing

Boilercomprisesitsexclusiveusefor

hotwaterheatingsystemspursuantto

DINEN304andDINEN303-3.

• Itisstrictlyprohibitedtobypassorinany

wayremoveorswitchoffcontrol,safetyand

monitoringequipment.

• TheFullyCondensingBoilermaybeopera-

tedonlywhenitssystemsareintechnically

perfectcondition.

• Malfunctionsanddefectswhichaffectsafety

(ormayaffectit)shouldbexedinaprompt

andexpertmanner.

• Defectivepartsandcomponentsmustbe

replacedonlywithoriginalsparepartsofthe

company.

Safetyinstructions

combustion,underassistanceofaspecialized

installingcompany.

If,afteracleaning,repeateddustexposureshall

stillbepossible,(forexample,duetospongy

chimneyjoints),taketheappropriatemeasures

(forexample,cleanthechimney).

Modicationofthegasheatingsystem

Theoperatormayundernocircumstancesmake

changesintheheater,pipesforgas,electricity,

water,airsupplyanduegas.

Theseworksmaybeperformedonlybyahea-

tingtechnician,toeliminatetheabovementioned

hazards.

3.3 Norms, regulations

• Theboilermustbeservicedinregularinter-

vals.Werecommendtoconclude,forthis

purpose,amaintenancecontract.

• TheFullyCondensingBoilersmaybeins-

talledandoperatedonlyintheboilerand

installationroomsasrequiredbylocalregu-

lationsandguidelines(FeuAO)withrespect

tofurnaces.

• ForAustriaarealsorelevanttheprovisions

oftheAustrianGasandWaterIndustry

AssociationÖVGWTRGas(G1),Building

regulationslawB-VG,Art.15Aandalsothe

LawonfurnacesFAnlG.

• Swissregulations(BAFU)andtheDeclara-

tionofConformityforoilandgas(LRVArt.

20)

Burners

Fullyautomatedfan-assistedoilburnerspursu-

anttoDINEN267.Fullyautomatedfan-assisted

gasburnerspursuanttoDINEN676.Duringthe

commissioningoftheburner,theappropriate

operatinginstructionsoftheburnerareessential.

Astothecommissioningoftheburner,seecorre-

spondingoperatingandassemblyinstructions.

Fuel

ELheatingoilpursuanttoDIN51603.

NaturalgasinaccordancewiththeCodeof

PracticeoftheGermanTechnicalAssociationfor

GasandWater(DVGW)G260/Iandalsopursu-

anttolocalnorms.

3.4 Operation and monitoring

PutintooperationtheFullyCondensingBoiler

onlyafterallworksrelatedtoinstallationand

connectionarecompletedand/oraftercomple-

tionofpossiblepreventivemaintenancemeasu-

res.Duringtheinitialcommissioningitisneces-

sarytomonitortheautomaticprocessofcontrol

Fig. 1: Alateraldistanceofminimum600mmshouldbe

maintainedeitherontheleftorontherightside

oftheboiler.

Aconnectinglineshouldbeleadtothechimney

asshortaspossibleandascending.Thisisthe

onlywaytoensuretheoptimumperformance.

Thepipesshouldbecarefullysealed!Ifthe

uepipesarenotproperlysealed,theuegas

mayescapeandcausetheriskofsuffocation.

Itisadvisabletousetheuepipebendswith

cleaningopenings,tobeabletocleantheue

pipes.

3.2.1 Risk of frost damage

TheFullyCondensingBoilerandstoragewater

heaterarefrostprotectedthroughthecontrolling

system.Sincetherisk(forexample,duringa

long-lastingelectricalpoweroutage)offrost

damagecannotbeexcluded,theFullyConden-

singBoilersandstoragewaterheatersshould

beonlyinstalledinthefrost-protectedrooms.If,

duringlongshutdownperiodsandwithinopera-

tiveheatingsystem,theriskoffrostdangershall

remain,aheatingtechnicianshouldemptythe

FullyCondensingBoiler,reservoirandheating

system,inordertopreventwater-piperuptures

causedbyfrost.

3.2.2 Corrosion,boilerdamage

Thecombustionairmustbefreefromdust(for

example,depositedsolidfuelsorconstruction

dust)aswellasfromhalogenatedhydrocarbons

(contained,forexample,inspraycans,solvents,

washingandcleaningagents,paintsorglues).

Otherwisepittingcorrosionoftheboilerbodyis

possible.Ifthecombustionairisbeingsuckedin

frominoperativereplaceorshaft,itisnecessary

toremoveresidualsofformeroilorsolidfuel

BK20/BK30

Safetyinstructions

Beforecommencementofanyworksonthe

electricalequipment,makesurethatthevoltage

iscompletelyswitchedoff.Damaged,burned,

frayedcablesaswellaslooseanduntightcable

connectionsmustbeimmediatelyreplacedbya

skilledelectrician.

Intheeventofadefectivefuse,theymustbe

replacedonlywiththeoriginalfuseswithprescri-

bedamperage.

3.5 Safety installations

ThecommissioningoftheFullyCondensing

Boilerwithoutaproperlyfunctioningsafety

installation(orwithanimproperlyfunctioning

safetyinstallation),isnotpermitted.

Attention

3.5.1 Water-side safety installations

SafetyinstallationspursuanttoDIN12828such

asthesafetyvalve,safetytemperaturelimiter

andtemperaturecontrolleraredescribedin

detail.

3.5.2 Gas-side safety installations

Tothesesafetyinstallationsbelongstheuegas

safetytemperaturelimiter(STL).

3.5.3 Labelandoperatinginstructions

ThelabelmustnotberemovedfromtheBK

FullyCondensingBoiler;itshouldbekeptina

wellreadablecondition.(Theoperatinginstruc-

tionsmustbeplacedvisiblyinthesameroom

wheretheboilerislocated).

3.5.4 Additional safety installations

Thesesafetyinstallationsinclude,amongother

equipment.

• Furnaceemergencyswitch

• Heatingoillockingdeviceinthefurnace

• Impermeablecovers/grillsinconformity

withDINEN294ontheuegassystem

(uponarrangementasanoutdoorchimney)

andontheairsupplyconnectionshould

beinstalledbyatechnician,underhisown

responsibility,incompliancewithlocalregu-

lationsandguidelines(FeuAO).

TheBKFullyCondensingBoilerservesexclu-

sivelyforheatgenerationandalsoforwater

heatingpursuanttoDIN12828.Theowtem-

peratureismaximum80°C,thetechnicaldata

ofvariousboilertypesareindicatedonthecor-

respondinglabels.Onlythoseliquidorgaseous

fuelsthatareindicatedintheorderconr-

mationmaybeusedasworkingmaterials.

functionsandtocheckthetightnessoftheFully

CondensingBoileranditsconnections.

Intheeventofunusualoperatingperformance

inthefunctioningoftheFullyCondensing

Boiler,forexample,malfunctionsorfaultsin

energysupply,theunitmustbeimmediately

shutoff.

Attention

Determinethecauseoftheproblemorfault

andxitinasafeandsecuremanner.Startre-

commissioningonlyaftercompleteeliminationof

faults.

3.4.1 Burner faults/remote unlocking

Incaseofaburnerdefectorfault,theredpush

buttoninthecontrolpanelwillash.Pressthe

buttonshortlytounlocktheburner.Shouldthe

burnerfaultreappear,callaqualiedspecialist.

Fig. 2: Donotpressthepushbuttonduringnormal

burneroperation!

Pushbuttonofremoteunlocking

3.4.2 Maintenance (servicing)

Itisstronglyrecommendedtoconsider,during

eachinspectionand/orscheduledmaintenance

works,suggestionswithrespecttocausesof

faultsduetosuperuousmeasuresand,inparti-

cular,toboileropening,mostlyunnecessary.

AllconnectionsattheFullyCondensingBoi-

ler,burner,controlpaneletc.arepluggableor

screwable.

Whenreplacingsafetyinstallationsmakesure

thatthenewcomponentscorrespondtothe

originalpartsandaretestedinconformitywith

DINEN14597orDIN12828.

Use only genuine components and parts deli-

veredbythe company.

Duringanyoperations,refrainfromusingexces-

siveforce–ifitgoesbeyondwhatisnecessary

toconnectordisconnectboltedconnections–

thereisariskofmaterialdamage!

Itisnotallowedtomoistentheplasticcompo-

nents(secondaryheatexchanger,uegas

system,hoses,sealsetc.)withoils,solvents,

cleaningagentsorotherchemicalsubstances.

Allworksontheelectricalequipmentshouldbe

performedonlyafterhavingdisconnecteditfrom

thepowersupplyandonlybyaskilledelectri-

cian.

Safetyinstructions

Duringdisposalworks,usesafetygloves.Thedenitionismadeincompliancewith1.

BImSchV(1stFederalGermanrulingonemissi-

onscontrol)condensingboilers:theseareheat

generatorswhichutilizebycondensation,asa

resultoftheirdesign,theheatofvaporizationof

watervapourcontainedinuegases.Thisdeni-

tiondifferentiatestheheatgenerationwithutiliza-

tionoftheheatofvaporizationofwatervapourin

uegasesfromtheheatgeneratorswithoutsuch

utilization.

3.6 Waste disposal and environmen-

tal protection

Thefollowingsubstanceswhichmayoriginate

duringmaintenanceandrepairworksshouldbe

disposedof–underpersonalresponsibilityofthe

heatingtechnician:

• Sediments,forexample,afterabreakdown

• Heatingoilrests

• Cleaningagentsandconsumables

• Solidwaste(replacedcomponents)ofall

types

Alldisposalworksshouldbeconductedas

prescribed,alsopursuantto1.BImSchVand

GermanWasteManagementLaw(AbfG)and

incompliancewiththeprovisionsoftheWater

ResourcesAct(WHG)aswellaswithlocaland

regionalregulations.

Liquidwastesuchaspotentialtoxicsubstances

capableofendangeringgroundwater(WHG)

shouldbecollectedinspecialclosedcontainers

andallocatedfortheproperdisposal.

Donotallowworkingmaterials(heatingoil)to

inltrateintothegroundorseweragesystem.

Potentialoilleakagesshouldbeimmediately

boundinconformitywiththeAccidentprevention

regulations(UVV1.)orwipedout.

Duringdisposal(dismantling/scrapping)ofthe

boiler,itscomponentsshouldbedividedin

accordancewiththeirmaterials.

Aftercompletecleaningandemptyingoftheneu-

tralizationboxandduringsubsequentdismant-

ling,thefollowingmaterialsmayberecovered:

• Metals,steel,malleableiron

• Insulationmaterials,mineralwool

• Plastics:polypropylene,PVC,cableinsula-

tion

• electrical/electroniccomponents

Thecomponentsshouldbecollectedseparately,

inaccordancewiththematerials;thenon-recyc-

lableresiduesshouldbedisposedofpursuantto

theGermanWasteManagementLaw(AbfG).

BK20/BK30

Functionanddescription

ofelectrical/electronicmeasuringandcontrol

devices.

Maximumambienttemperature: 40°C

Minimumambienttemperature: 1°C

Theinductedcombustionairshouldbedust-free

andofnormalquality(temperature,humidity

etc.).

TheBKFullyCondensingBoilerisoperative

andreliableprovidedthatitisusedproperly,the

agreedoperationaldataareadheredtoandonly

prescribedfuelsareused.

Itisnecessarytotakeintoconsiderationpossible

malfunctions,if:

• installation,adjustmentandsubsequenttrial

operationwerenotcarriedoutproperly.

• itisimpossibletomaintaintheover-pres-

sureinthefurnace(resistanceintheue

gassystemorduringtheuegassuction).

• theheatexchangerwasnotlledwithwater

onthegassidepriortocommissioningor

afteralongoperationalstandstill.

• thefueldoesnotcorrespondtotheusual

specications.

• thesafetyinstallations,notwithstandingthe

prohibitiononalterations,weremisplacedor

bridged.

• theelectricalconnectiondataandnet-

workconditionsdonotcorrespondtothe

manufacturer’sdata.

• thefurnacewasputintooperationimmedi-

atelyafterorduringllingoftheheatingoil

storagetanks.

4.2 Boiler description and dimensi-

ons

4.2.1 Trial run, production control, qua-

lity assurance

TheinstallationoftheFullyCondensingBoiler

mustbeperformedbyaqualiedstaff(aheating

technicianandanelectrician).Withoutthecom-

missioningreport,theguaranteeagreementwiththe

companyshallnotcomeintoeffect.

Thenintroductiontotheunit,trialrunandhando-

vertotheoperatortakeplace.

4.2.2 Operating characteristics, adjust-

ment

TheBKFullyCondensingBoileristtedwith

thefullyautomaticelectroniccontrolsystem

which

4 Function and description

4.1 Function and operating principle

InthefurnaceoftheBKFullyCondensing

Boiler,thecombustionheatfromoilorgasis

transferredtothecombustionchamberwashed

roundbytheboilerwaterandtotheprimaryheat

exchangerwhichisconnectedtothecombustion

chamberfromthewaterside.Thehotuegases

arrivethen,undertemperaturesbelow85°C–

thatis,abovethedewpoint–intothesecondary

heatexchangerandtheyarecooleddown,in

accordancewiththeexternalairtemperature,to

about30°C–48°C.Thedewpointoftheue

gasistherebynotreachedandbothsensibleand

latent(hidden)heatisdelivered,throughsteam

condensation,tothesecondaryheatexchanger

ortothecombustionairpassingthroughitin

counterow.

Theuegasarrives,afterowingthroughthe

secondaryheatexchanger(counterow)with

verylowtemperaturetotheuegaspipe.The

freshairnecessaryforcombustionissuckedin

throughtheannulargapoutsidetheuegaspipe

(roomsealedoperation).Therequirednegative

pressureisgeneratedbytheburnerfan.Prior

toentryintothecombustionchamber,thecom-

bustionairispreheatedinthesecondaryheat

exchangeragainsttheuesgases,thuscontribu-

tingtothehighefciency.

Thecondensateaccumulatedinthesecondary

heatexchangercontainsthemostpollutants

fromthecombustionuegases.Itaccumulates

inthesecondaryheatexchangerandisthen

fedthroughapipeconnectiontotheneutraliza-

tionbox.Thecondensatepassesthroughthe

mineralgranulateandisthen,intheneutralized

condition,dischargedintoawastewaterpipeor

sewagesystem.

Owingtotemperaturemonitoringwiththesafety

temperaturelimiter(STL)andtheimplementation

ofstandards,thefunctionoftheBKFullyCon-

densingBoilerisself-retainingoverthewhole

combustiongaspath.

Theworkswhicharenotdescribedinthese

operatinginstructionsarereservedtothestaff

ofthemanufacturer.

Information

Functional criteria

Theambientconditionsintheinstallationroom

oftheBKFullyCondensingBoilermustnot

exceedthenormalvaluesfortheoperation

Functionanddescription

◦ Connectingpiecesofseamlesstubesin

accordancewithDIN1629

• Thesecondaryheatexchanger

 PP/PP

• Thermalinsulation/outercover

◦ 3-sidedmineralwool80mm

◦ Front–mineralwool40mmwithcoating

integratedintothefrontdoor

◦ Boilercasing–steelplate1,25mm,scre-

wedtogetherandpowder-coated.

4.2.4 Safety installations

TheBKFullyCondensingBoileristtedpur-

suanttoDINEN304andDINEN303withthe

followingsafetyinstallations.

• Safetytemperaturelimiter(STL)boiler

100°C.ThisSTLmonitorstheboilertempe-

rature.

• Safetytemperaturelimiter,heatexchanger

90°Cprotectsfromexcessiveuegastem-

peraturetransfer.Whenapre-settempera-

turethresholdisreached,thetemperature

limitersshutdowntheheatgeneratorand

lockit.Re-startingisonlypossiblewiththe

helpofatool.

• Thesafetytemperaturelimitersare

testedandmarkedinaccordancewith

DIN EN 14 597�

4.2.5 Flue gas system

Theuegassystemisusedtoremoveresidual

low-pollutionuegaseswiththetemperature

of<60°C(monitoredbyatemperaturesensor)

outsidethebuilding,overtheroof.Itismarked

withitsownlabelcontaininginformationabout

themanufacturerandtheapprovalnumber.The

uegassystemshouldbeinstalledbyeffortsofa

locallyapprovedheatinginstallercompany,with

theuseofpipesandttingsmadeofplasticcerti-

edforapplicationinconstructionandconnected

totheuegasconnectingpieceoftheFullyCon-

densingBoiler.

Thecombustiongaspathoftheboilercorres-

pondstothebasicstandards.

4.2.6 Combustionair

Thecombustionairistakendirectlyfromthe

freeatmosphere;itispreheatinthesecondary

heatexchangerandsuppliedtotheburner.

Iftheuepipeisarrangedinaduct(unused,

cleanedchimney),thentheremainingfreespace

inthisductisusedforcombustionairsupply.

Inthecasethefreespacemaynotbeused,in

compliancewiththelocalrequirements,sothe

• controlstheoperatingperformanceincon-

formitywiththeheatdemandoftheheating

installation,and

• assafetycircuit,canshutdowntheinthe

eventofanymalfunctionsonthewateror

gasside.

• Thepressuretransmitterservesforthefun

regulationandcontrol.

The Conform 6.0controlsystemisintegra-

tedintheFullyCondensingBoiler.

Whenstudyingtheinformationintheseoperating

instructions,pleasealwayscomparetheindica-

tedtypedesignationwiththedataonthecontrol

panelofthedeliveredboiler.

Thesystemhasintegratedfunctionsfor:

Boiler temperature

Theboilertemperatureismaintainedbywayof

switchingtheburneron/off–atsome55°Cto

80°C,butalways>55°C(seealsotheoperating

instructionsofthecontrolsystem).

Heatingcircuittemperature

Thetemperatureattheheatingcircuitowis

regulatedthroughcontrolsystemtothepreselec-

tedvalue.Itispossible,byvirtueoftheoperating

software,atanytimetolowerortopredetermine

theheatingcircuittemperature(operatingmode

selection).

Service water temperature

Thewatertemperatureintheseparatereservoir

forservicewaterheating(reservoiroption)is

maintainedbywayofswitchingon/offtherespec-

tiveservicewaterpumpatthelevelpresetinthe

controlsystem.Thisprocessisinterruptedifthe

returnboilertemperaturefallsbelow50°C(boiler

protection).

Flue gas temperature

Theuegastemperatureismonitoredby

theSTL90°Clocatedinthesecondaryheat

exchanger.

Ambienttemperatureregulation

Theambienttemperatureandthetemperature

oftheheatingcircuitowarerecordedbysen-

sorsanditiscompared,bymeansofthecontrol

system,withthepredeterminedheatingcircuit

temperatureandthesetbacktemperature;if

necessary,itisbeingcorrected.

4.2.3 Materials

ThecomponentsoftheBKFullyCondensing

Boilercorrespondtothematerialrequirements

andthetestprotocol.

• Theprimaryheatexchanger

◦ SteelS235JR

BK20/BK30

Functionanddescription

combustionairshouldbesuckedinthroughan

openingintheexternalwallandthecorrespon-

dingpipeandthensuppliedtotheairinletofthe

secondaryheatexchanger.Thecombustionair

heatedfromcondensinguegasesinthesecon-

daryheatexchangercomesoutattheboiler

front-sidefromthesecondaryheatexchanger

andpassesthroughaspiralhosetotheinlet

openingoftherespectiveburner.

4.2.7 Reservoir – service water heater

Theconnectionoftheservicewaterheateris

madeattheinletandtheoutletoftheBKFully

CondensingBoiler.Aheatingtechnicianshould

installaservicewatercirculationpump.The

respectiveelectricalsocketsareavailableatthe

boilercontrolpanel(seecircuitdiagraminthe

descriptionoftheConform6.0system).A

sensorformeasuringtheservicewatertempera-

tureisattachedtothecontrolsystem.

4.3 Unintended use

TheBKFullyCondensingBoilermaynotbe

used:

• forthefunctionsotherthanindicatedin

Chapter3.5.4.

• inothersystemconguration.

• withvaluesdifferentfromthoseindicatedon

thelabel.

• withfuelsotherthanindicatedintheorder

conrmation(OC).

• withoutnegativepressureatthecombustion

gaspathrequiredforoperatingpurposes.

Theriskforthepersons,theFullyCondensing

Boilerandotherequipmentcarriestheheating

technicianortheoperatoroftheheatingsystem.

Withuegasfan

Boiler type BK20 BK30

Fuel Heatingoil Gas Heatingoil Gas

Fluegaspipe DN 80/125 80/125 80/125 80/125

Duct system

Pipelength(vertical) m 18 [21] 18 [21] 20 [23] 20 [23]

Ductcross-section mm 135 135 135 135

Exterior wall system

Pipelength(vertical) m 20 [23] 20 [23] 25 [28] 25 [28]

Withouttheuegasfan

Boiler type BK20 BK30

Fuel Heatingoil Gas Heatingoil Gas

Fluegaspipe 60/100

80/125

60/100

80/125 80/125 80/125

Duct system

Pipelength(vertical) m 11 [14] 11 [14] 15 [18] 11 [14]

Ductcross-section mm 135 135 135 135

Exterior wall system

Pipelength(vertical) m 15 [18] –

15 [18] 20 [23] 15 [18]

Assessmentbasis

ConnectingpipeBK20,BK30: 90cmeffectiveheight,2moveralllength,2pipebends87°

Exteriorwallsystem: Airsupplyoverconsole

Geodeticinstallationheight: from1000mgenerallyonlywithuegasfan

Witheveryfurtherinstalledpipebend,thelengthoftheuegaswillbereducedby1m.

Thistableisbasedonpracticalendurancetestsconductedbythecompanyandpartlyoncalculationsperformedby

CentrotecSystemtechnikGmbHcompany.

Flue gas pipe dimensions BK20 and BK30

roomsealedheatingRSH[non-roomsealedheatingNRSH]

Functionanddescription

4.4 Technical data

TheoperatingdataforthedeliveredFullyCon-

densingBoilermaybefoundonthelabelorin

theorderconrmation.

Thepresentoperatinginstructionsareattached

tothedeliveredFullyCondensingBoilerinclu-

dingtechnicaldata,dimensionsandinstructions

withregardtoinstallation,commissioningand

maintenance.

Thethirdpartyoperatingmanualsand/orcir-

cuitdiagramsoftheboilerequipment,control

systems,supplementarydocumentation,expert

assessmentsetc.shouldbetakenintoconsi-

deration.Ifneeded,thesedocumentsmaybe

requesteddirectlyfromthecompany.

Fig. 3: Installationtypes(NRSH) B23,B33

  (RSH) C13,C33,C43,C53,C63orC83pursuanttoDINEN15035

Supplyair

Fluegas

Boiler type BK20 BK30

Fuel Heatingoil Naturalgas Heatingoil Naturalgas

Nominalheatoutput kW 15,0–21,0 15,0–21,0 22,0–32,0 22,0–32,0

Firingcapacity kW 15,2–21,2 15,2–21,2 22,2–32,3 22,2–32,3

CO2content* Vol.-% 13,7 9,5 13,7 9,5

Fluegasmassow g/s 6,8–9,5 6,3–8,8 9,9–14,4 9,2–13,4

Fluegastemperature °C <48 <56 <48 <56

Air-uegas-systemØ mm 125/80conc. 125/80conc. 125/80conc. 125/80conc.

Heatingwaterresistance

(withΔT=20K) mbar 1,2 1,5

Availablepressureatthe

uegasconnectingpiece

withoutfan

Pa 60 60

Residualconveyingpres-

sureafterfan Pa 200 200

*CO2contentmeasuredinfurnace

BK20/BK30

Functionanddescription

Pos. Description BK20 BK30

Watercapacity l 58 70

Weight kg 214 255

1Safetygroupconnection DN 25(1") 25(1")

2Reservoirowpipe(alternatively:heatinputpipe) DN 25(1") 25(1")

3Reservoirreturnowpipe(alternatively:heatoutput

pipe) DN 25(1") 25(1")

4Condensatedrainage DN 25(1") 25(1")

5Fluegasconnectionair-uegas-system

(AFGS)

external-Ø mm 125 125

internal-Ø mm 80 80

6Heatinputpipe DN 25(1") 25(1")

7Heatoutputpipe DN 25(1") 25(1")

8Fillinganddischargingcock 1/2" 1/2"

Allconnections-externalthread

Pos. Description BK20 BK30

H1 Connectingdimensions,condensatedrainage mm 38 38

H2 Connectingdimensions,heatoutputpipe mm 510 510

H3 Connectingdimensions,heatinputpipe mm 849 849

H5 Boilerheight mm 1043 1043

H6 Overall height mm 1163 1148

Overall height without casing mm 1150 1120

Overallheightwithoutcasing,withoutbase mm 832 832

H7 Boilersupports(*height-adjustable) mm 20–40 20–40

B1 Connectingdimensions,outputpipe mm 120 120

B2 Connectingdimensions,inputpipe mm 227 245

B3 Connectingdimensions,safetygroup mm 272 290

B4 Connectingdimensions,AFGsystem mm 365 385

B5 Overall width mm 544 580

Overall width without casing mm 490 571

L1 Connectingdimensions,AFGsystem mm 104 104

L2 Connectingdimensions,inputpipe/outputpipe mm 224 224

L3 Connectingdimensions,safetygroup mm 310 310

L4 Overall length mm 1123 1269

Overall length without casing mm 845 1050

Overalllengthwithoutcasing,withoutbase mm 793 940

Fig. 4: Boilerdimensions

Delivery–transportationtoinstallationsite

5 Delivery – transportation to

installation site

5.1 Safety instructions

Duringloadingorunloading,anytransportation

toinstallationsiteandalsoduringtemporarysto-

rageorwarehousing,itisnecessarytocomply

withregulations,warningsandinstructionsrela-

tedtosafetyguidelinesoftherespectivecountry.

5.2 Unloading, use of hoist

TheBKFullyCondensingBoilerisbroughtto

shippingcompletelyorpartiallyassembled.

• Dangerofinjury!Manualunloadingortrans-

portationofweights>35kg(ILO,Geneva)

orone-timeliftingofmaximum>55kg(Acci-

dentpreventionregulations/FederalMinistry

ofLabourandSocialAffairesofGermany)

isforbidden.

• Foryourownsecurity,alwaysusesuitable

hoistingdevicesand/orindustrialtrucksas

wellasotherloadhandlingaccessorieswith

adequateloadcapacity.Beforeloadingor

unloadingtheFullyCondensingBoiler,take

caretoensuresufcientspaceforsecure

placingoftheboiler.

• Theloadhandlingaccessoriesmustbe

carefullyattachedandsecured.There

shouldbenodangerfromsuspendedloads!

• Fixingropesorstringstotheboilerequip-

mentisforbidden!

• AlwayslifttheFullyCondensingBoileronly

vertically–neverpullitsidewards!

Neverstayorworkunderthesuspendedload.

Mortaldanger!

Attention

TheBKFullyCondensingBoilershouldbe

handled,duringunloading,transportationto

installationsiteortemporarystorage,withthe

usualcareandprotectedagainstexternalrough

treatmentand/orfallingobjects.

5.3 Completeness of delivery

Checkthecompletenessofdeliveryimmediately

uponitsreceipt(compareitwiththeorderconr-

mation/deliverynoteofthecompany).

Missingpartsshouldbepromptlyclaimedtothe

deliveringtransportcompanyandthe

companynotied.

BK20/BK30

Installationandconnection

6.2 Electrical connection

Thereliablemainsconnectionistobeperformed

byanexperiencedelectrician.

1� Thecharacteristicsofelectricalmains

shouldmeettherespectivelocalandnati-

onallegalprovisions.

2� Aspowercables,chooseatleastonee-

xiblecablewithpolychloroprenecoating,

inaccordancewith60245IEC45(for

example,NYM3x1,5m2).

3� Theearthwireshouldbelongerthan

othercables.

Information

6 Installation and connection

6.1 Fully Condensing Boiler

TheinstallationoftheFullyCondensingBoiler

shouldbecarriedoutunderconsiderationofthe

actualinstallationguidelines.Inthiscase,itis

necessarytoinstallsafety-relatedequipmentin

conformitywithDIN12828,forexample,asafety

groupmaximum3bar.

Foroperationwithgasfanburners,thefollowing

classesofgasequipmentareutilized(pursuant

toDINEN437):

Thedistancesfromtheunittothewallsorcom-

bustiblematerials(min.200mm)shouldmeet

localrepoliceregulations.Thelateraldistances

ontheleftortherightsideoftheboilershouldbe

minimum500mm,toensurethattheboilerdoor

withtheburnercouldbeeasilyswungout.

Theuegaspipemustbeleadtothechimneyas

shortaspossibleandrising.Theuegaspipes

mustbecarefullysealedup!Itisrecommended

tousetheuegaspipeswithaninspectionope-

ning,toenablecleaningandvisualinspectionof

theuegaspipes.

TheFullyCondensingBoilerandthetankwater

heaterhavetostandhorizontallyorslightlyrising

tothebackinordertoensureacompletede-

aeriation(usetheadjustablefeettolevelthem).

Country Classes of

gas equip-

ment

Gas connec-

tion pressure

Germany I2ELL 20/25mbar

Austria I2H 20mbar

Belgium I2E+ 20/25mbar

Luxembourg I2E 20mbar

France I2E+ 20/25mbar

Switzerland I2H 20mbar

Installationandconnection

6.3 Burner installation

Step 1:

Pulloutabovebothwingapsandturnthem

down.

Step 2:

Leadburnerangebehindtheinsulationatthe

burnerdoorandfastenitwithfourscrews.Then

hooktheburnerangeupandxit.

Step 3:

Againhookupbothwingaps.

BK20/BK30

Installationandconnection

Fig. 6: Condensatetrap

siphon

siphon-like

hopper

25mm

Boiler

6.5 Handingoverandservicing

instructions

Itisessentialthattheinstallation,commissio-

ningandmaintenanceoftheFullyCondensing

Boilersarecarriedoutbyqualiedandtrained

personnel.Duringtheinstallationandtrialrun,it

isnecessarytocarefullychecktheconformityof

safetyinstallationswithDIN12828aswellasits

functioningandcorrectsettingandtoconrmitin

thecommissioningreport.

Theheatingtechnicianshouldfamiliarizethe

operatorwiththeheatingunitanditsservicing

andwithsafetyinstallationsandtheirfunctions!

Theoperatormustplacetheoperatinginstruc-

tionsforthe BKFullyCondensingBoilervisibly

inthesameroomwheretheboilerislocated�

Theoperatorisobligatedtoeliminatemal-

functionsintheheatingunitand/oritssafety-

relatedorelectricalequipmentonlybyqualied

experts.Moreover,hemustbeclearlyinformed

abouttheinadmissibilityandpotentialdanger

ofimproperhandlingoftheunit.

Information

Theheatingtechnicianand/ortheoperator

mustnotmakeduringinstallation,commissio-

ningoroperationanychangesintheBKFully

CondensingBoiler,itssafety-relatedequip-

mentorfactorysettings.

Attention

6.4 Condensate drainage

Thecondensateaccumulatedinthesecondary

heatexchangerisprocessedintheneutraliza-

tionboxoftheBKFullyCondensingBoiler.

Whendischargingthecondensateintosewage

orwastewatersewer,itisnecessarytotakeinto

accountthewaterwayprescriptionsoftheres-

pectivecountryandthestatutesoflocalwaste

disposalcompanies!Theunitoperatormust

obtaintheauthorization,bearinginmindthe

AdvisoryleaetA-251„Condensationdisposal

inchimneys”withpresentationoftheexpert

assessment.Oninstallationofthesuppliedneu-

tralizationbox,itisessentialtoannuallyloosen

andrinsethegranulate.

Duringinstallationofthecondensatedrainage

system,caremustbetakentoensurethat

thecondensationwaterlevelof120mm(see

Fig.5)isnotexceeded.

Thecondensatedrainagesystemmaynotbe

alteredorclosed.

ThesuppliedcondensatetrapDN40shouldbe

placedasclosetotheboileraspossible.Prior

tocommissioning,llthesiphonwithwater.

Ifinspecicsituationstheneutralizationboxis

notutilized,thecondensatedrainagesystem

shouldbearrangedinsuchawaythatthe

sealingwaterheightisnotlessthan25mm

(see.Fig.6).

Attention

Fig. 5: Condensatedrainage–thehighestlevel

120mm

Installationandconnection

Option 1 Neutralizationboxalignedwiththepermanentlycondensing

boiler.

Option 2 Neutralizationboxatrightanglestothepermanently

condensingboiler.

Option 3 Neutralizationboxparallelbeneaththepermanently

condensingboiler(additionalHTtuberequired).

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Atlantic Boilers BK20 Operating & Maintenance Instructions

Brand: Atlantic Boilers

Model: BK20

Type: Operating & Maintenance Instructions

This manual is also suitable for

BK30

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Atlantic Boilers BK20 Operating & Maintenance Instructions

This manual is also suitable for

Atlantic Boilers BK20 Operating & Maintenance Instructions

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