March26,2015DocketNumber:EERE‐2012‐BT‐TP‐0024ResFurnBoilers2013TP0008@ee.doe.govTestProcedureNOPRforFurnacesandBoilers2Agenda1:00– 1:30pm Welcome,Introductions,andOpeningRemarksAshleyArmstrong1:30– 1:45pm RegulatoryHistoryandRulemakingOverviewAshleyArmstrong1:45– 2:30pm ProposedDOETPChangesRelatingtoASHRAE103VictorFranco2:30– 2:45pm Break2:45– 3:45pm OtherProposedTPChangesRossDillon3:45 – 4:00pm ClosingRemarksAshleyArmstrong3WelcomeandIntroduction•Introductions•RoleoftheFacilitator•GroundRules–Listenasanally–Focusonissues–Useshort,succinctstatements/keeptothepoint–Holdsidebarconversationsoutsidetheroom–Onepersonspeaksatatime(raisehandtoberecognized;stateyournamefortherecord)–Setcellphonestosilent/vibrate•HousekeepingItems•AgendaReview•OpeningRemarksTitle Slide, Boiler Photo Source: http://www.easco.com/mobile-temporary-boilers-rentals.html4PublicMeetingAgendaDescriptionofProposedUpdates4RegulatoryHistory2RulemakingOverview31Introduction5ClosingRemarks5ListeningViatheWebcast•TheU.S.DepartmentofEnergy(DOE)isbroadcastingthismeetingliveovertheinternet.•DOEisprovidingthewebcasttoaccommodateinterestedpartiesthatareunabletoattendthepublicmeetinginperson.•Thewebbroadcastallowsinterestedpartiestolistenin,viewtheslides,andsubmitquestionsandcomments.•AllinterestedpartiesareencouragedtosubmitwrittencommentsafterthepublicmeetingbutbeforethecloseofthepubliccommentperiodonMay26,2015.6PurposeofthePublicMeeting•Presenttheproceduralandanalyticalapproachestoevaluatetestprocedureamendmentsforfurnacesandboilers.•Invitecommentsonthetestprocedurenoticeofproposedrulemaking(NOPR)•Discussnextstepsintherulemaking.•Encourageparticipantstosubmitdata,information,summarystatements,andwrittencomments,includingadditionalissuesfordiscussion.7RequestforCommentIssue box numbering corresponds to the list of items published at the end ofthe NOPR document, available at:http://www.regulations.gov/#!documentDetail;D=EERE‐2012‐BT‐TP‐0024‐0019ThedeadlineforsubmittingcommentsisMay26,2015.Item:While DOE invites comment on all aspects of the materialpresented in this document, several specific issues on which DOE seekscomment are set out in comment boxes like this one. DOE uses thesecomment boxes to highlight issues and to ask specific questions on theapproaches DOE plans to use or has used to conduct the analyses required for this test procedure rulemaking. Such requests for feedbackare numbered sequentially throughout the document.8OpeningRemarksMeetingparticipantsareinvitedtoprovideopeningremarksorstatementsatthistime.9PublicMeetingAgendaDescriptionofProposedUpdates4RegulatoryHistory2RulemakingOverview31Introduction5ClosingRemarks10RegulatoryHistory•Energy Policy and Conservation Act (EPCA) of 1975(Public Law 94‐163)─Established the energy conservation program for consumer products otherthan automobiles, which includes furnaces and boilers.─Directs DOE to establish test procedures in conjunction with energyconservation standards.•Energy Independence and Security Act of 2007(EISA 2007) (Public Law 110‐140)─Directed DOE to incorporate standby mode and off mode for all final rulesprescribing energy conservation standards that are published after July 1,2010. (42 U.S.C. 6295(gg)(3)(A))─Directed DOE to develop a test procedure to measure standby mode andoff mode energy consumption of furnaces and boilers no later thanSeptember 30, 2009. (42 U.S.C. 6295(gg)(2)(B)(iii))11RegulatoryHistory•OnMay12,1997,DOEpublishedafinalruleestablishingmostaspectsofthecurrentactivemodetestprocedurewhichincorporatesbyreferencetheAmericanSocietyofHeating,Refrigerating,andAir‐conditioningEngineers(ASHRAE)Standard103‐1993.62FR26140.─OnFebruary24,1998,DOEadoptedrevisionstoaprovisionconcerningtheinsulationofthefluecollectorbox.63FR9390.•OnOctober20,2010,DOEpublishedafinalruleestablishingamethodformeasuringtheelectricalenergyuseinstandbymodeandoffmodewhichincorporatesbyreferencetheInternationalElectro‐technicalCommission(IEC)Standard62301(FirstEdition).75FR64621.─OnDecember31,2012,DOEpublishedanotherfinalruleadoptingamendmentsthatupdatedtheincorporationbyreferencetothelatesteditionofIECStandard62301(SecondEdition).77FR76831.•OnJanuary4,2013,DOEpublishedarequestforinformation(RFI)regardingthepotentialrevisionstothefurnaceandboilertestmethod.78FR675.─Keyissuesincludedavenuesforreducingtestburdenandtheadditionofaperformancetestforverifyingautomaticmeansofadjustingwatertemperatureinhotwaterboilers.•OnJuly10,2013,DOEpublishedafinalrulefortestproceduresfortwo‐stageandmodulatingcondensingfurnacesandboilers.78FR41265.12PublicMeetingAgendaDescriptionofProposedUpdates4RegulatoryHistory2RulemakingOverview31Introduction5ClosingRemarks13•RFI‐January4,2013•NOPR‐March11,2015•NOPRpublicmeetingtoday– March26,2015•NOPRcommentperiod–Oralcommentsfromtoday’smeetingwillberecordedandtranscribed.–Interestedpartiescansubmitwrittencommentsuntil5/26/2015.–DOEreviewsandconsidersallcomments.•DOEexpectstoissueafinalrulein12/2015.StepsintheRulemakingProcessNOPRFinalRuleRFI14PublicMeetingAgendaDescriptionofProposedUpdates4RegulatoryHistory2RulemakingOverview31Introduction5ClosingRemarks15SummaryofProposedUpdates1. UpdatingIndustryReferencestothelatestversionofASHRAEStandard103‐20072. MeasurementofCondensateunderSteady‐StateConditions3. ElectricalConsumptionofAdditionalComponents4. SmokeStickTestforVerifyingFlowthroughHeatExchanger5. DuctWorkforUnitsthatareInstalledWithoutaReturnDuct6. TestingRequirementsforMultiposition Configurations7. VerificationTestforAutomaticMeansforAdjustingtheWaterTemperatureinBoilers161.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007Introduction•TheFederaltestprocedureincorporatesbyreferenceASHRAE103‐1993•ASHRAEpublishedASHRAEStandard103‐2007onJune/2007.OverviewofChangesA) ChangestothedeterminationofAFUEfortwo‐stageandmodulatingproducts–RecalculationofAFUEvaluesforalltwo‐stage/modulatingproducts–Reducedtestingburdenforproductswithacalculatedbalancepointtemperature(TC)≤5°FB) Updatetooff‐periodfluelossescalculationforproductswithpost‐purgetimes>3minC)Updatetothedeterminationofburneroperatinghours(BOH),annualfuelenergyconsumption(EF),andannualelectricityconsumption(EAE)–RecalculationofEFandEAEvalues171.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:Introduction•2002NISTstudyreportedissuesandproposedchanges1–Issue:SignificantdiscrepancybetweentheAFUEofsometwo‐stage/modulatingmodelsandtheAFUEofthesesamemodelscalculatedasasingle‐stageunitatreducedfire.–Cause:On/offcycletimesfortwo‐stage/modulatingmodelsintheASHRAE103‐1993arebasedonoperatingatanaverageof50%oftheratedcapacity.–NISTProposedSolution: Addingacalculationmethodfordeterminingtheon/offcycletimesfortwo‐stageandmodulatingmodels.•ASHRAE103‐2007adoptedtheproposedchangesfrom2002NISTreportwithsomeadditionalmodifications.FederalTestProcedureFurnaces BoilerstONtOFFtONtOFFSingle‐Stage 3.87 13.3 9.68 33.26Two‐Stage/Modulating 10 10 15 151Liu,S.ProposedRevisionsofPartoftheTestProceduresforFurnacesandBoilersinASHRAE103‐1993.Sept.2002.NIST.181.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007Topic CurrentFederalTestProcedure ProposedFederalTestProcedureCalculationChangesOn/off cycletimes(tON/tOFF)Fixedvalues CalculatedvaluesCalculationsatHigh/Reduced‐fire Requireshigh andreduced‐fire Reduced‐fireonlyifTC≤5°F*DesignHeatingRequirement(DHR) UsingQOUTandlookuptableReplacedbycalculations:QOUT/(1+)OversizeFactor=(QOUT/DHR)– 10.7;R=(1+)(QOUT,R/QOUT)‐1AverageOutdoorTemp(TOA,H/TOA,R)UsingTCandlookuptable ReplacedbycalculationsdependentonTCFractionalHeatingLoads(XH/XR)UsingTCandlookuptable ReplacedbycalculationsdependentonTCTestingChangesCoolDown,HeatUp,OptionalTracerGas,andCondensateCycleTestsforTwo‐StageProductsTestingathigh andreduced‐fireIfTC≤5°F*thentestingisonlyrequiredattestingatreduced‐firetON/tOFFforcondensatecycletest Testing atfixedvalues Testing atcalculatedvaluesA) AFUEDeterminationforTwo‐Stage/ModulatingProducts:SummaryofProposedChanges*Thisoccurswhenthereducedoutputcapacitytomaximuminputcapacityratioisequaltoapproximately0.59orabove(whichisthecaseformosttwo‐stagefurnaces/boilers)191.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:On/OffCycleTimes(tON(H,R)/tOFF(H,R))ProposedEquationsWhere:N50=thermostatcycleresponseat50%load(5forfurnacesand2forboilers),60=min/hrconversion,4=derivedconstantforparabolicequationthatrepresentsthermostatresponse,ܨܮሺு,ோሻ=highandreducedfireloadfactors:ܨܮோൌ଺ହି்ೀಲ,ೃ∆்೏ሺଵା∝ೃሻ;ܨܮுൌ଺ହି்ೀಲ,ಹ଺଴ሺଵା∝ሻ,TOA,(H,R)=highandreducedfireaverageoutdoortemperature,ΔTd=60(sameas65‐5)whenTC≤50Fand65‐TCwhenTC>50F,αR=oversizefactoratreducedload:∝ோൌ1 ൅∝ொೀ౑౐,ೃொೀ౑౐,andα=oversizefactoratmaximumload(=0.7).•Equationsarefromsections11.4.9.11and11.4.9.12ofASHRAE103‐2007•On/offcycletimesimpactsensibleandinfiltrationheatlossfactors(LS,ON,LS,OFF,LI,ON,andLS,OFF)inAFUEcalculation࢚ࡺࡻ

ሺࡴ,ࡾሻൌ଺଴ସேఱబሺଵି௅ிሺಹ,ೃሻሻ,࢚ࡲࡲࡻ

ሺࡴ,ࡾሻൌ ݐைேሺு,ோሻଵ௅ிሺಹ,ೃሻെ 1201.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:ProposedChangestoOn/OffCycleTimesforCondensateCyclicTest•Condensatecyclictestdescribedinsection9.8ofASHRAE103‐2007.•ProposedChange:Calculateon/offcycletimesfortwo‐stage/modulatingfurnaces/boilersbeforeperformingthecondensatecycletest.•TestingChange:CondensatecyclictestrequiresthecalculationoftON(H,R)andtOFF(H,R),whichisdeterminedafterconductingthehighandlowfiresteadystatetestinordertocalculateQOUTandQOUT,R.−Exception:theratioQIN,R/QINmaybesubstitutedforQOUT,R/QOUTinequationsforαR(ASHRAE103‐2007,section11.4.8.2)andTC(ASHRAE103‐2007,section11.4.8.4)iftheerrorbetweenthetworatiosisnotmorethan2%.Furnaces BoilerstONtOFFtONtOFFCurrentFederalTestProcedure10 10 15 15ProposedFederalTestProcedureEquationsfromsections11.4.9.11(tON)and11.4.9.12(tOFF)ofASHRAE103‐2007.211.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:ReducedTestBurdenforTwo‐StageProducts•Fortwo‐stagefurnaces/boilerstestingwithaBalancePointTemperature(TC)≤5°Fonlythereduced‐firetestisrequiredforthefollowingtest:– CoolDown(ASHRAE2007,sections9.5.1.1.2and9.5.2.5)– HeatUp(ASHRAE2007,sections9.6.1.2and9.6.2.2)– OptionalTracerGas(ASHRAE2007,section9.7.5)– CondensateCycle(ASHRAE2007,section9.8)•Thisreducesburdenfortwo‐stageequipmentsincehigh‐firetestisrequiredinASHRAE103‐1993version•TC≤5°Fwhenthereducedoutputcapacitytomaximuminputcapacityratioisequaltoapproximately0.59orgreater,whichisthecaseformosttwo‐stagefurnaceandboilermodels:ࢀ࡯ൌ 65 െ601 ൅∝ܳை୙୘,ோܳை୙୘221.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007ProductTypeModel(Test)Non‐Condensing/CondensingControlTypeRatio(QOUT,R/QOUT)CycleTimestON,RtOFF,RNon‐WeatherizedGasFurnaceMfrA,Model1 Non‐condensing Two‐Stage66% 4.558.79MfrB,Model1 Non‐condensing Two‐Stage65% 4.648.50MfrB,Model2 Condensing Two‐Stage65% 4.588.70MfrC,Model1 Condensing Two‐Stage65% 4.608.62MfrD,Model1 Condensing Modulating49% 5.456.68WeatherizedGasFurnaceMfrA,Model2 Non‐condensing Two‐Stage74% 4.329.82MfrE,Model1 Non‐condensing Two‐Stage81% 4.1510.80MobileHome Gas Furnace MfrE,Model2 Condensing Two‐Stage65% 4.588.71NWOilFurnace MfrG,Model1 Non‐condensing Two‐Stage82% 4.1410.92HotWaterGasBoilerMfrH,Model2 Non‐condensing Two‐Stage48% 13.8616.35MfrI,Model3Non‐condensing Modulating64% 11.6521.05MfrJ,Model2Condensing Modulating20% 20.5411.81MfrJ,Model3Condensing Modulating20% 20.4711.84MfrK,Model2Condensing Modulating20% 20.6011.79A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:SpecificationsofTestedModels•DOEtested14differenttwo‐stageandmodulatingfurnaces/boilerstodeterminetheimpactofchangesinproposedFederaltestprocedurefromthepreviousslide.231.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007*DOEusedthereduced‐firedataofeachtestedmodeltocalculatetheAFUEasifthemodelwasasingle‐stageunitoperatingat acapacityequaltothereducedfireinputrate.TheAFUEvalueinthiscaseisthesameforthecurrentandtheproposedFederaltestprocedures.**Thesamefurnacemodeltestedunderdifferentambientconditions.Model(Test)Two‐Stage/ModulatingAFUERatingSingle‐StageatReducedFireAFUERating*DifferenceBetweenExistingandProposedTPsCurrentFederalTestProcedureProposedFederalTestProcedureNon‐WeatherizedGasFurnaceMfrA,Model1,average 80.71% 81.10% 81.31% 0.39%Test1** 80.47% 80.75% 80.89% 0.28%Test2** 80.74% 81.21% 81.46% 0.47%Test3** 80.69% 81.08% 81.31% 0.40%Test4** 80.93% 81.35% 81.56% 0.41%MfrB,Model1 78.02% 78.33% 78.57% 0.31%WeatherizedGasFurnaceMfrA,Model2 78.78% 79.97% 80.24% 1.19%MfrE,Model1 82.81% 83.23% 83.33% 0.42%Non‐WeatherizedOilFurnaceMfrG,Model1 84.33% 85.19% 85.38% 0.85%HotWaterGasBoilerMfrH,Model2 81.84% 81.96% 82.49% 0.11%MfrI,Model3 84.22% 84.08% 83.79%‐0.14%A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:TestResults:Non‐condensing Two‐stage/ModulatingProducts241.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007*DOEusedthereduced‐firedataofeachtestedmodeltocalculatetheAFUEasifthemodelwasasingle‐stageunitoperatingat acapacityequaltothereducedfireinputrate.TheAFUEvalueinthiscaseisthesameforthecurrentandtheproposedFederaltestprocedures.Model(Test)Two‐Stage/ModulatingAFUERatingSingle‐StageatReducedFireAFUERating*DifferenceBetweenExistingandProposedTPsCurrentFederalTestProcedureProposedFederalTestProcedureNon‐WeatherizedGasFurnaceMfrB,Model2 95.05% 94.97% 94.92%‐0.08%MfrC,Model1 92.07% 91.12% 90.73%‐0.95%MfrD,Model1 94.97% 94.74% 94.68%‐0.23%Mobile HomeGasFurnaceMfrE,Model2 94.76% 93.26% 93.04%‐1.50%HotWaterGasBoilerMfrJ,Model2 89.49% 89.72% 89.78% 0.22%MfrJ,Model3 90.74% 90.24% 89.69%‐0.50%MfrK,Model2 89.31% 89.42% 90.10% 0.11%A) AFUEDeterminationforTwo‐Stage/ModulatingProducts:TestResults:Condensing Two‐stage/ModulatingProducts251.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007B) ChangestoOff‐cycleLossesforProductswithLongPostPurgeTimeIntroduction•2002NISTstudy1–Issue:Forsomeunits(primarilyoil‐firedboilers)thatrequireapostpurgetime(tP)longerthan3minutes,theexistingtestprocedureproducesasmallerfluelossresult.–Cause:ExistingFederaltestprocedurelimitstpto3minutesinthefluelosscalculation.•ASHRAE103‐2007proposedchangesbasedonNISTderivedfluelossequations.CurrentTestProcedure ProposedTestProcedureTesting Limits tpto3minutes tpisallowedtobegreaterthan3minutes.WhentP>3minutes,measurefluegastemperatureatthemidpointofthepost‐purgeperiod(ASHRAE 103‐20079.5.1.1and9.5.2.1)Calculations Limits tpto3minutes Off‐cyclesensibleandinfiltrationheatlossduringthepost‐purgeperiod(LS,OFF1andLI,OFF1)arecalculatedseparatelyforunitswithtp>3minutes (ASHRAE103‐2007section11.2.10.6and11.2.10.8)1Liu,S.ProposedRevisionsofPartoftheTestProceduresforFurnacesandBoilersinASHRAE103‐1993.Sept.2002.NIST.261.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007C) BOH,EF,andEAEChanges:Introduction•2002NISTstudyreportedissuesandproposedchanges1–Issue:2‐stage/modulatingBOHbasedonmaximuminputandmultiplicationfactorR(accountsforusefulheatoutputofelectricalcomponents).2–Cause:Ignoresvariabilityofelectricalcomponentinputforamultispeedorvariablespeedcirculating/combustionblower.–NISTProposedSolution: Calculatetheburneroperatinghoursateachoperatingmode.•ASHRAE103‐2007adoptedtheproposedchangesfrom2002NISTreport.•DOEproposestoadoptASHRAE103‐2007changes(withmodificationstoaccountforelectronicignitionandstandbyandoffmodeelectricityuse).1Liu,S.ProposedRevisionsofPartoftheTestProceduresforFurnacesandBoilersinASHRAE103‐1993.Sept.2002.NIST.2Rfactoraccountsforgreaterloadfactorspercycle:0.50,for2‐stage/modulatingunit(R=0.225forsingle‐stageunit).271.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007Topic CurrentTestProcedure ProposedTestProcedureBurnerOperatingHours(BOH)Calculatedathigh‐fire only. Calculatedseparatelyatalloperatingmodes.HeatfromElectricityCorrection FactorRfortwo‐stage/modulatingproducts(R)Correctionfactor(R) isusedincalculatingBOHtocompensateforlongeruseofelectricalcomponents.Correctionfactor(R)removed(heatfromelectricityinBOHdeterminedseparately foreachoperatingmode).FuelConsumption(EF)Calculatedatthehigh‐fire only. Calculatedatbothhighandlow‐fire.ElectricityConsumption(EAE)Same on‐timeratiosforhighfireand lowfire.Separate on‐timeratiosforhighandlowfire.On‐timeratios(y,yP,yIG)Basedonfixedon‐timecycletime(tON)athighfire.Basedoncalculatedon‐timecycletimes(tON(H,R))foreachoperatingmode.DesignHeatingRequirement(DHR)DeterminedusingQOUTandlookuptable.Replacedbycalculations:QOUT/(1+).FractionalHeatingLoads(XH/XR)DeterminedusingTCandlookuptable.ReplacedbycalculationsdependentonTC.C) BOH,EF,andEAEChanges:Summary281.UpdatingIndustryReferencestoLatestASHRAEStandard103‐2007Item1:DOErequestscommentontheproposedchangestotheDOEtestprocedureresultingfromincorporatingthe2007versionofASHRAE103withsomemodifications.292.MeasurementofCondensateunderSteady‐StateConditionsIntroduction•Thecurrenttestprocedurerequirestheestablishmentofsteady‐stateconditionsduringaminimumperiodof30minutes,beforemeasurementofcondensate.•Themeasurementofcondensaterequiresanadditional30minuteperiodfollowingtheestablishmentofsteadystateconditions.Impact•Reducestestburdenbyshorteningoveralltestduration.CurrentTestProcedure ProposedTestProcedure2x30minutes:establishmentofsteady‐stateconditions, followedbymeasurementofcondensate.1x30minutes:DOEproposestoallowthemeasurement ofcondensate duringestablishmentofsteady‐stateconditions.302.MeasurementofCondensateunderSteady‐StateConditionsItem2:DOErequestscommentontheproposaltoallowforthemeasurementofcondensateduringtheestablishmentofthesteady‐stateconditions.TestResults31Introduction•Currenttestproceduredoesnotcaptureallelectricalconsumptioninelectricalmeasurementsandcalculations3.ElectricalConsumptionofAdditionalComponentsCurrentTestProcedure ProposedTestProcedureAccountforblower/circulationpump(BE),inducerblower(PE),ignition(PEIG),andstandbymodeandoffmode(ESO)power.Additionallycapture secondaryboilerpump(ifpresent),gasvalve,andcontrolspower.32ExampleCalculation•ProposedEAEcalculationforsingle‐stagefurnacesandboilers:Where:BOHSS=nationalaveragenumberofburneroperatinghoursforboilersequippedwithsingle‐stagecontrolsyP=ratioofinducedorforceddraftbloweron‐timetoaverageburneron‐timePE =burnerelectricalpowerinputatfull‐loadsteady‐stateoperation,includingelectricalignitiondeviceifenergizedyIG=ratioofburnerinterruptedignitiondeviceon‐timetoaverageburneron‐timePEIG=electricalinputratetotheinterruptedignitiondeviceonburner(ifemployed)y =ratioofblowerorpumpon‐timetoaverageburneron‐timeBE =circulatingairfanorwaterpumpelectricalenergyinputrateatfull‐loadsteady‐stateoperationys=ratioofsecondaryboilerpumpon‐timetoaverageburneron‐timeBES=secondaryboilerpumpelectricalenergyinputrateatfull‐loadsteady‐stateoperation,ifpresentyO=ratioofgasvalveandcontrolscombinedon‐timetoaverageburneron‐time,assumedtobe=1.0EO=gasvalveandcontrolscombinedelectricalenergyinputrateatfull‐loadsteady‐stateoperation,ifpresentESO=annualelectricalstandbymodeandoffmodeenergyconsumption3.ElectricalConsumptionofAdditionalComponentsܧܧܣܪܱܤ ൌௌௌݕ

ሺ௉ݕ ൅ ܧܲீ

ூܧ

ܲீூܧܤݕ ൅൅ݕௌܧܤௌݕ ൅ைܧைܧ൅

ሻௌை33TestResults•Resultsfromtestingofonefurnacemodel.3.ElectricalConsumptionofAdditionalComponentsItem3:DOErequestscommentonproposedchangestoincludethemeasurementofadditionalcomponentelectricalpowerforcalculatingtheannualauxiliaryelectricaluse.7%/11%ofTotalPower344.SmokeStickTestforVerifyingFlowthroughHeatExchangerCurrentTestProcedureProvisions•Measuresoff‐cyclefluegasdraftfactor(DF)usingtracergastest(mayproduceunreliableresultsforDF<0.1)•Allowsfordefaultdraftfactors(DF)insteadoftesting:–Unitswithpowerburners:DF=0.4–Unitswithatmosphericburners:DF=1.0•Ifabsolutelynoairflow:DF=0.05CurrentTestProcedure ProposedTestProcedureConcernsregardingreliabilityofcurrentprocedure.•Smokesticktesttoverifytheabsenceofflowthroughtheheatexchanger. Followingsmokesticktest:•NovisualdisturbanceDF=0.05•Confirmation ofvisualdisturbanceuseeither tracergastestordefaultvaluewhenestablishingdraftfactors•Removingterm“absolutely”inreferencetoairflowthroughtheheatexchanger.355.DuctWorkforUnitsThatAreInstalledWithoutaReturnDuctIntroduction•Forunitsthathavebeendesignedtobeinstalledwithoutareturnduct,thetestsetuprequirementsarenotsufficientlyspecific.Item4:DOErequestscommentsontheproposaltoaddaprovisioninthetestprocedureclarifyingthatthereturn(inlet)ductisnotrequiredduringtestingforunitsintendedtobeinstalledwithoutareturnduct,accordingtothemanufacturer’sI&Omanual.CurrentTestProcedure ProposedTestProcedureSpecifiesuseofreturnductforallfurnaces(IBRsection7.2.1ofAHSRAE103‐1993,Figures1and2).Return(inlet)ductnotrequiredduringtestingofunitsintendedtobeinstalledwithoutareturnduct.366.TestingRequirementsforMultiposition ConfigurationsIntroduction•Furnacesmaybedesignedsuchthattheycanbeinstalledinmultipleconfigurations.•Forfurnacesthataredesignedtobeinstalledinmultipleconfigurations,thetestsetuprequirementsarenotsufficientlyspecific.Item5:DOErequestscommentonitsproposaltoallowtestingofunitsconfiguredformultiplepositioninstallationstousethebloweraccessdoorasanoptioninsteadofoneoftheinletopenings.CurrentTestProcedure ProposedTestProcedureDoesnotspecifytestingrequirementsformultipositionfurnaces.•Requirethatmultiposition furnacesbetestedusing,ataminimum,theleast‐efficientposition.•Formultiposition furnacesnotshippedwithanopeninlet,allowtestingusingonly thebloweraccessdoor.377.VerificationTestforAutomaticMeansforAdjustingtheWaterTemperatureinBoilersIntroduction•In2008,DOEpublishedatechnicalamendmenttoadddesignrequirementsforhotwaterboilersconsistentwiththeprovisionsofEISA2007.•Proposedtestmethod(tobespecifiedin10CFR429.134)wouldbeusedonlyforassessmentandenforcementtesting.Impact•Allowsforverificationoftheboilerautomaticmeansfunctionality.•Manufacturersdonothavetoconductthistesting,butthisishowDOEwilldetermineifagivenBasicModelcomplieswiththeapplicabledesignrequirements.CurrentTestProcedure ProposedTestProcedureNone. Separateverificationmethodsforhotwaterboilerswithsingle‐stageandtwo‐stage/modulatingcontrols.387.VerificationTestforAutomaticMeansforAdjustingtheWaterTemperatureinBoilersSingle StageBoilers Two Stage/ModulatingBoilersRequirementBurnerfiresonlywhenresidualheatofthe systemwatercannotmeetinferredheatingload.Automaticallyadjustsupplywatertemperatureinresponsetochangesininferredheatload.MethodThermalpre‐purge•Burneractivationdelayeduntilresidualheatoftheboilerwatercannotmeettheheatingload.NofuelinputwhenresidualheatcansatisfyloadOutdoorreset•Boilercontrolsadjustssupplywatertemperatureinresponse tochangesinoutdoorairtemperature(OAT).LowerfuelinputathigherOATInferredload•Boilercontrolsuseoutdoorandindoortemperature,thermostatdemand,andburnercyclingpatternstoinferheatingloadandadjustsupplywatertemperature.Lowerfuelinputatlowerinferredload39Single‐stagetestresults7.VerificationTestforAutomaticMeansforAdjustingtheWaterTemperatureinBoilersTerminatecallforheatVerifyburnerignitionWarmupandstabilizationReinitiatecallforheatAlloweddelayupto3mins40Twostage/modulatingtestresults7.VerificationTestforAutomaticMeansforAdjustingtheWaterTemperatureinBoilersEstablishsimulatedhighinferred loadconditionsEstablishsimulatedlowinferredloadconditionsTemperaturestabilizationTemperaturestabilization41PublicMeetingAgendaDescriptionofProposedUpdates4RegulatoryHistory2RulemakingOverview31Introduction5ClosingRemarks42ClosingRemarksMeetingparticipantsareinvitedtoprovideclosingremarksatthistime.43HowtoSubmitComments•Inallcorrespondence,pleaserefertothefurnaceandboilertestprocedurerulemakingby:– TestProcedureforFurnacesandBoilers– DocketNumber:EERE‐2012‐BT‐TP‐0024– RegulatoryIdentificationNumber(RIN):1904‐AC79•Email:ResFurnBoilers2013TP0008@ee.doe.govPostalMail:Ms.BrendaEdwardsU.S.DepartmentofEnergyBuildingTechnologiesOfficeMailstopEE‐5B1000IndependenceAvenue,S.W.Washington,DC20585‐0121Courier:Ms.BrendaEdwardsU.S.DepartmentofEnergyBuildingTechnologiesOfficeL’EnfantPlaza,S.W.,Suite600Washington,DC20024Telephone:(202)586‐2945•CommentperiodclosesMay26,2015at11:59PMEDT