Bradford White U-4-TW-40T6FRN User manual

Category
Water heaters & boilers
Type
User manual
1 2384975400B2/12
SUPPLEMENTVENTINGINSTRUCTIONSFORINSTALLATIONANDOPERATINGINSTRUCTIONMANUALS
2384838400,2384472700,2384444500,2384814400,2384793600,2384591700,2384563700,
2384744800,2384807100,2384906000,AND2384770700FORHIGHEFFICIENCYCONDENSING
COMMERCIAL,POWERDIRECTVENTCOMMERCIAL,POWERVENTCOMMERCIAL,RESIDENTIALPOWER
DIRECTVENT,andRESIDENTIALPOWERVENTMODELSERIES
INSTALLATIONOFCENTROTHERMINNOFLUE®SINGLEWALLPOLYPROPYLENEVENTINGSYSTEMS
Thissupplementisfortheinstallationofpolypropylenesingle wallventingsystemmanufacturedbyCentrothermECO
Systems,LLC.TheCentrothermventingsystemisaCSAapprovedalternativetothePVC,ABS,andCPVCventing
componentsfortheHighEfficiencyCommercialCondensing,Power
DirectVentCommercial,PowerDirectVent
Residential,andResidentialPowerVentmodelseries.
TheCentrothermventingsystemcomponentsareULCS636approvedandlisted byarecognizedagencyandmaybe
installedintheU.S.andCanada.Allcomponentsusedmustbefromthesamemanufacturerandaredesignedfor
use
withtheabovenotedproducts.TheCentrothermcomponentsmaybepurchasedfromplumbingsupplydistributors.
TheventsizediameterandmaximumventlengthsmustbefollowedasdetailedintheInstallationandOperating
InstructionManualthatwassuppliedwiththewaterheater.Thoroughlyreadandunderstandtheventingsection
ofthe
instructionmanualsuppliedwiththewaterheaterbeforeproceedingwiththefollowinginstructionsinthissupplement.
Theventterminalssuppliedwiththewaterheaterorthefactoryapprovedaccessoryventterminalkitsmustbeused
withthisventingsystem.
WARNING
The venting system must be properly installed. Failure to properly install the vent system could result in property
damage, personal injury, or death.
DO NOT install damaged venting system components. If damage is evident then please contact the supplier where
the water heater or venting system components were purchased for replacement parts.
Use only the vent terminals provided or factory authorized terminals for venting this water heater.
The water heater requires its own separate venting system. Do not connect the exhaust vent into an existing vent pipe
or chimney.
All of the exhaust venting connections must be leak checked with a soap solution upon initial start-up of the water
heater. Any leaks must be repaired before continuing operation of the water heater.
Do not terminate the venting where noise from the exhaust or intake will be objectionable. This includes locations
close to or across from windows and doors. Avoid anchoring the vent and intake pipes directly to framed walls, floors,
or ceilings unless rubber isolation pipe hangers are used. This prevents any vibrations from being transmitted into the
living spaces.
Do not exceed the venting distances or the number of elbows listed in the instruction manual supplied with the water
heater. Exceeding the maximum venting distances may cause the water heater to malfunction or cause an unsafe
condition.
DO NOT operate this water heater until the venting installation is complete and the piping completed. Failure to
complete installation before operation can result in property damage, personal injury, or death.
DO NOT install Centrotherm Innoflue venting components with any other manufacturer’s vent components.
Centrotherm Innoflue components must be used exclusively throughout the entire venting system from the water
heater coupling or vent connection to the outside wall or ceiling near the vent terminal location.
This supplement is intended only for additional information for installing Centrotherm Innoflue single wall venting
system and the instruction manual supplied with the water heater must be followed for the detailed information
provided for the venting system installation.
2 2384975400B2/12
Step1:ThoroughlyreadandunderstandtheventingsectionoftheInstallationandOperatingInstructionManualthat
wassuppliedwiththewaterheaterbeforedeterminingthelocationofthewaterheaterandtheventterminals.Locate
thewaterheaterfortheshortestpracticalventlengthtotheoutside.Measurethetotalventingdistancerequiredto
reachtheoutsidewallorroof.Determinethediameteroftheventingcomponents
touseforthelengthofventpipe
(andcombustionairsupplyfordirectventmodels)requiredbyreferringtotheventingtablesintheinstructionmanual
forthemaximumventlengthforeachdiameterpipesize.Obtainallthenecessaryventingsystemcomponentsforthe
installation.
Step2:Before
installation,inspecteachventcomponentfordamagemakingsurethegaske tsforeachcomponentare
fullyintactandinundamagedcondition.Donotattempttoinstallorrepairdamagedcomponents.Ifagasketis
damaged,theseareavailablefromthesupplierofCentrothermInnofluecomponents.Donotusegasketsfromanother
manufactureranddonottrytorepairthegasket.
Step3:ACentrothermPVC
toPolypropyleneadapter(CentrothermISAGLpartseries)mustbeusedtoconnectintoa
PVCcouplingortee(CommercialandResidentialPowerDirectVentairintakeconnections),condensateelbow(High
EfficiencyCommercialCondensingmodels)ortheexhaustoutletadapterforCommercialPowerDirectVentand
ResidentialPowerVentedmodels.Tomaketheinsertionofthegasketedfittingsintothecouplingeasie r,Centrocerin
gasketlubricantis
recommended.CentrocerinisawaterbasedlubricantavailablefromyourCentrothermsupplier.If
Centrocerinisnotavailable,watermaybeused.DONOTuseanyotherkindoflubricantwhichmaydamagethe
gaskets.
Applylubricantusingyourfingertothegasketsurfaceandinsideofthecouplingandinsertthemaleendoftheadapter
withtheexteriorgasketintothecoupling,condensate
elboworexhaustoutletadapterconnection.Ifalargervent
diametersizeistobeused,usetheappropriatelysizedreducercouplingfirstonthewaterheaterintakeorexhaustvent
connectionasdetailedintheinstallationmanualsuppliedwiththewaterheater.Seethefollowingphotos.
WARNING
Use only water or Centrocerin lubricant for lubricating the gaskets and pipe ends to allow easy insertion. DO NOT
use any other kind of lubricant, since deterioration of the gasket may result, which may allow dangerous flue gases
to leak into the room. If the vent pipe needs to be disassembled after the gasket has dried, wet the joint thoroughly
to loosen the connection.
HighEfficiencyCondensingCommercialModels:Usetheappropriateprimerandcement(refertoventingsectionof
instructionmanualwithwaterheater)forcementingaPVCcoupling(notsuppliedwithwaterheater)totheendofthe
PVCairintakepipeconnection.ApplyCentrocerinlubricantwithyourfingertothemalegasketedendofthe
CentrothermPVCadapterandfullyinsertintotheairintakecoupling.Loosenthe
Centrothermfluepipeclamp
(Centrothermp/nIAFC03)andinstallontheendofthePVCcouplingsothatthe3clamphookssecurethePVCadapter
tothePVCcoupling.Seefollowingphotos.
3 2384975400B2/12
InstallPVCpipecouplingoverairintakepipeconne ction
andcementtopipeusingappropriatesolventandcement. ApplyCentrocerinLubricanttoPVCAdaptergasket
usingfinger
InsertmalegasketedendofCentrotherm InstallCentrothermFlueClamp(IAFC03)overthePVCcoupling
PVCadapterintoPVCpipecoupling. sothatclampbracketssecuretheshoulderofPVCadapter
fitting.

WaterHeaterPVCAirIntake
Pipe.Useappropriate
solventandcementto
cementcouplingtopipe.
PVCPipeCoupling(not
suppliedwithwaterheater)
ApplyCentrocerinwithfinger
to
g
asket
GasketedendofPVCadapter
FlueClampFitoverPVC
Cou
p
lin
g
FlueClampBracketsfitover
PVCAdaptershoulder
4 2384975400B2/12
TightenclampscrewsecurelytosecurethePVCAdapterto
thecementedPVCcoupling.Refertotheinstructionmanualforappropriatesolventandcement.



ForHighEfficiencyCommercialModelseriesexhaustconnection,applyCentrocerinlubricantwithfingertooutside
gasketandinsertPVCadapterintothecondensateelbow.InsertPVCAdapterfittingintoCondensateElbowasshown.

WARNING
Centrotherm Flue Clamps (p/n: IAFC02, 03,
or 04) MUST be properly installed to secure
the PVC Vent Adapter. DO NOT operate
the vent system without first installing the
Flue Clamps.
TightenClamp
Screw
ApplyCentrocerinlubricantwithfingerto
outsidegasketofPVCAdapter
CondensateElbow
PVCAdapter‐
Outside
Gasketinto
Elbow
5 2384975400B2/12
InstallCentrothermFlueClamparoundoutsideofelbowsothat TightenFlueClampScrewtosecurePVC
ClampBracketsengagePVCAdaptershoulderasshown. AdapterintoCondensateElbow
CommercialandResidentialPowerDirectVentModelsandResidentialPowerVentModels:
Forinstallationsofcommercialandresidentialpowe rdirect InstalltheFlueClampovertheAirIntakePipeTee
ventmodels,installthePVCadapterintothe  andtightenFlueClampScrewtosecurethe
airintakepipeteeasshown. PVCadapter. 

FlueClamponCondensateElbow
FlueClampBracketson
PVCAdapterShoulder
FlueClampScrew
Condensate
Elbow
PVC
Adapter
PVCAdapter
Fitting
AirIntakePipeTee
6 2384975400B2/12
Fortheexhaustventingforallpowerventandpowerdirect ForCommercialPowerDirectVentmodels,insert
ventmodels,insertthePVCAdapterintotheExhaustOutlet PVCAdapterintoExhaustOutletAdapter.
Adapter.Onresidentialmodels,tightentheclamptosecure InstallFlue
ClampoverExhaustOutletAdapterand
thePVCAdapter.TightenclampscrewtosecurethePVCAdapter.
Step4:LubricatetheinsidegasketofthePVCadapterandthemaleend(withoutgasket)oftheelboworstraight
sectionofpipeforrunningtheexhaustorintakepipefromthewaterheater.Insertthemaleend oftheelbowor
straightsectionintothePVCadapter.Useatwistingmotion whilepushingthemaleendofthepipeorelbowintothe
PVCadaptertofullyseatintothe
gasket.Themaleendofthepipeorelbowmustalwayspointtowardthewater
heater.
ApplyCentrocerinlubricanttotheinsidegasketofthePVCadapter.
ExhaustOutletAdapterwithclampforresidential
powerventedmodels.
InsideGasketofCentrothermPVCAdapter
ApplyCentrocerinLubricanttoGasketwith
finger
CommercialPowerDirectVentExhaust
OutletAdapter
FlueClampTightenScrew
PVCAdapter
7 2384975400B2/12
Insertthemaleendofthestraightpipeorelbowintotheflangedgasketed
endofthePVCadapter.Pushthepipeorelbowintotheadapterusingatwisting
motiontofullyinsertthepipeintothegasketinsidetheadapter.
WARNING
Make sure pipe sections are fully inserted into the PVC adapter and/or gasketed end of Centrotherm fitting.
Insertion depth is no less than 2 inches.
Step5:Centrothermsuppliedsupportbracketsmustbeusedtosupportthepipesections.Theventpipesectionsmust
besupportedaminimumofevery5feet(1.5meters)ofverticalrunorevery3feet(1meter)ofhorizontalrunofpipe.
Consultlocalcodesforadditionalrequirements.Inaddition,supportbracketsmustbeinstalledonbothsidesofelbows
usedintheventingsystem.
HighEfficiencyCommercialCondensing
Models:
Forhorizontalsectionsoffluepipe,thepipemustbeinstalledwithaslightupwardslopeofapproximately5/8inchper
foot(5.6cmpermeter)towardthewaterheater(asrecommendedbyCentrotherm)toallow condensatetodraininto
thecondensateelbow.
ResidentialandCommercialPowerDirectVentandResidential
PowerVentModels:
Topreventcondensatefromaccumulatingintheexhaustblower,installthehorizontalventpipewithadownwardslope
towardtheventterminalof5/8inchperfoot(5.6cmpermeter)ofhorizontalventpipe.Anoptionalcondensatekitis
availableforresidentialpowerventmodelsorateefittingwithacondensatedrainloopmaybeusedoncommercial
powerdirectventmodelstopreventcondensateaccumulationin
theblowerforlongverticalrunsofventpipe.Referto
theventingsectionoftheInstallationandOperatingInstructionssuppliedwiththewaterheater.
MaleendofCentrothermPipe
PVCAdapter
8 2384975400B2/12
Installingpipeclamparoundpipeevery3feettosupportpipe.Installpipeclampsoneachsideofelbow.
Steeljointconnectorrings(availablefromCentrothermsupplier)mustbeusedateachpipejoint.Theconnectorrings
ensurethatthejointsdonotseparateunderheavyloads.TheseconnectorringsmustbeusedtocomplywithULCS636
requirements.Seefollowingphotowiththejointconnectorattachedtothe
pipesections.
Pipeshownwithconnectorring
Step6:Ifanyofthestraightpipesectionsnee dtobecut,useahacksawandmakeastraightcutonthemale
(ungasketed)endofthepipe.Whenmakingthecut,allowforthe2”minimum(51mm)insertiondistanceinsidethe
femaleendofthepipe.Usingarazorknife,deburrtheedgesofthecutpipetomakeanapproximately15degreebevel
toavoidanysharpedgesthatmaydamage
thegasket.
WARNING
Cut pipe edges must be properly deburred. Damage to the gasket from not deburring the edges of the cut male
end may result in the release of dangerous flue products.
WARNING
DO NOT operate vent system without properly
installing Connector Rings.
CentrothermPipeHangersClampsattach
toventpipe.
CentrothermConnectorRing.Hooked
bracketoverbottomjointasshown
9 2384975400B2/12
Cutendofpipetolengthusingahacksaw.Cutmale Deburringcutpipeedgewithrazorknifetocreate
endonlyandallowfor2”insertiondepthintofemaleendof smooth15⁰(approx.)beveltopreventgasketdamage.
fitting.
Step7:Continueinstallingstraightsections ofpipeandelbowsandsupportwithpipesupportclampsaspreviously
shownaminimumofevery36inches(1meter).Runtheventpipeneartheoutsidewallorrooftobeterminated.A
CentrothermISTAGL0202,0303,or0404PVCTerminationAdapter(2”,3”or4”diameters)mustbeusedtoconnectthe
CentrothermpolypropyleneventpipetoPVCpipefirst
beforeexitingthewallorroof.TheCentrothermpolypropylene
toPVCVentAdapterhasamaleungasketedendandamaleoutsidegasketontheotherend.Theungasketedendof
theCentrothermPVCTerminationAdapterisinsertedintothelastsectionofthegasketedendofventpipe.The
arrow
ontheCentrothermPVCterminationadaptermustpointtowardtheventterminal.ConnectthePVCcouplingandflue
pipeclamptothegasketedendofthePVCTerminationAdapter.CutthePVCpipetothelengthneededtoexitthewall
orroof.Refertotheinstallationinstructionmanualsupplied
withthewaterheaterforinformationregardingthe
locationoftheventterminals.
Cutthemaleendofthelastpieceofpipetothelengthasneededtogetneartheexitingwallorceiling
ofthedesiredoutsideventterminallocation.Installthislastsectionofpipe.

Deburrcutpipewithrazorknifeandmake
approx.15degreebevel
Lastpipesection
Arrowtowardoutsideventterminal
Gasketedfemalecouplingendatend
ofpipetowardventterminal
10 2384975400B2/12
InstalltheappropriatediameterCentrothermISTAGLPVCTermi nationAdapterontheendofthelastpipe.
InstallaPVCcouplingontothemalegasketedendoftheCentrothermPVCTerminationAdapter.Areducercoupling
maybeneededtousethesuppliedventterminalsifalargerpipediametersizewasused.Cementthestraight section
ofPVCpipetothePVCpipecoupling.InstallthePVC
pipetoexitthewallorroof,andthencementtheventterminal
ontothePVCorCPVCpipe.RefertotheventingsectionofthewaterheaterInstallationandOperatingInstruction
manualfortheappropriatesolventandcementtouse.TheexhaustventterminalfortheEFmodelseries
isshown.Use
theventterminalssuppliedwiththewaterheater.Seethefollowingphotos.
WARNING
A Centrotherm ISTAGL series PVC Vent Termination Adapter must be used at the end of the last section of
polypropylene vent pipe to connect to the PVC pipe coupling. The arrow must point toward the vent terminal. DO
NOT USE THE SAME PVC ADAPTER THAT IS USED TO CONNECT TO THE WATER HEATER.
PVCTerminationAdapter(notsupplied)
MalegasketedendofPVCterminationadapter
PVCCouplinginsertsintoPVC
TerminationAdapter
FlueClamptosecuretoPVCAdapter
Arrowpointstowardoutsidevent
terminal
11 2384975400B2/12
SecurethePVCcouplingtothePVCTerminalAdapterwiththeCentrothermFluePipeClamp.Cementashortsectionof
PVCpipeintothePVCpipecoupling.CementthesuppliedPVCexhaustterminalcouplingontothePVCpipe.
Step8:Aftertheventingsysteminstallationiscompleted,startthewaterheaterandcheckalljointsforleaksusinga
soapywatersolution.Anyleaksfoundmustberepaired.Ifagasketisdamaged,replacementgasketsmaybeobtained
fromthelocalCentrothermsupplier.
WARNING
All of the exhaust venting connections must be leak checked with a soap solution upon initial start-up of the water
heater. Any leaks must be repaired before continuing operation of the water heater.
Periodically check all venting system connections for leakage. Replace any defective venting components. Refer
to the maintenance section of the Installation and Operating Instructions for further details.
SuppliedPVCExhaustTerminalcementedto
PVCpipe.CementPVCpipeintoPVCcoupling
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Bradford White U-4-TW-40T6FRN User manual

Category
Water heaters & boilers
Type
User manual

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