1 |EnergyEfficiencyandRenewableEnergyeere.energy.gov[INSERTPICTURE(S)OFPRODUCT(S)][INSERTPICTURE(S)OFPRODUCT(S)]NoticeofPublicMeeting:ResidentialClothesDryersTestProceduresNovember13,2014BryanBerringerDepartmentofEnergyBuildingTechnologiesProgramEERE‐2014‐BT‐TP‐0034ResClothesDryer2014TP0034@ee.doe.gov2Welcome•Introductions(aroundtheroom)•RoleoftheFacilitator•GroundRules–Speakoneatatime.–Sayyournamefortherecord– therewillbeacompletetranscriptofthismeeting.–Beconcise– sharethe‘air‐time’.–Keepthefocushere– cellphonesonsilent;limitsidebarconversations.–Webinarparticipantsturnphoneonmute;“raiseyourhand”toberecognizedtospeak.•HousekeepingItems•AgendaReview•OpeningRemarks3Agenda9:00– 9:05amWelcome,Introductions,AgendaReview9:05– 9:15amOpeningRemarks9:15– 9:30amRegulatoryHistory andBackground9:30– 11:45amPotentialTestProcedureChangesandDiscussion11:45– 12:00pmClosingRemarks4PublicMeetingSlidesTopics1Introductions2Stakeholder Opening Statements3Regulatory History and Background4Round-Table Discussion: Test Procedure Changes5Closing Remarks5ListeningViatheWebcast•TheDepartmentisbroadcastingthismeetingliveovertheInternet.•DOEisprovidingthewebcasttoaccommodatestakeholdersthatareunabletoattendthepublicmeetinginperson.•Thewebbroadcastallowsstakeholderstolisteninandviewtheslides.•Allstakeholdersareencouragedtosubmitwrittencommentsafterthepublicmeeting.6PurposeofthePublicMeeting•InvitediscussionthepotentialchangesDOEshouldconsidermakingtothecurrenttestproceduresforclothesdryers.•Discussnextstepsintherulemaking.•Inviteparticipantstoprovidesummarycommentsorstatementsandraiseadditionalissuesfordiscussion.•ThedeadlineforsubmittingcommentsisDecember15,2014,11:59PMET.7PublicMeetingSlidesTopics1Introductions2Stakeholder Opening Statements3Regulatory History and Background4Round-Table Discussion: Test Procedure Changes5Closing Remarks8OpeningRemarksMeetingparticipantsareinvitedtoprovideopeningremarksorstatementsatthistime.9PublicMeetingSlidesTopics1Introductions2Stakeholder Opening Statements3Regulatory History and Background4Round-Table Discussion: Test Procedure Changes5Closing RemarksClosing Remarks10RegulatoryHistory:DryersTestProcedures•DOE’stestproceduresforclothesdryersarecodifiedinappendixD,appendixD1andappendixD2tosubpartBofTitle10oftheCodeofFederalRegulations.TestProcedureFinalRulesCitation Date Description76FR972 01/06/2011 CreatedAppendix D1for:•measuringstandbymodeandoffmode•defininganewenergyefficiencymetric—combinedenergyfactor(CEF)•reflectingchanges toconsumerusagehabits(e.g.,revisedinitialmoisturecontent,#ofcyclesperyear,testloadsize)78FR49608 08/14/2013•Amended AppendixD1toupdatethereferencetothelatesteditionoftheInternationalElectrotechnicalCommission(IEC)Standard62301•AmendedDandD1toclarifycertaintestconditions•CreatedAppendixD2tomeasuretheeffectsofautomaticcycletermination11Background:CurrentTestProcedureProvisions‐SummaryTestProvisions AppendixD1 AppendixD2Standby/OffModeTestMethodsIncorporatesbyreferenceIECStandard62301(SecondEdition)withadditionalclarificationsIncorporatesbyreferenceIECStandard62301(SecondEdition)withadditionalclarificationsVentlessDryerTestMethodsYes YesNumberofCyclesPerYear283 283ReferencedAHAMStandardHLD‐1‐2009 HLD‐1‐2009TestLoadWeightStandardSizeDryers:8.45± .085poundsCompactSizeDryers:3.00± .03poundsStandardSizeDryers:8.45±.085poundsCompactSizeDryers:3.00±.03poundsDetergentSpecificationsforTestClothPreconditioningAHAMStandardTestDetergentFormula3AHAMStandardTestDetergentFormula3WaterTemperatureforTestLoadPreparation60°F± 5°F 60°F± 5°FStartingRMCofTestLoad57.5± 3.5percent 57.5± 0.33percent12TestProvisions AppendixD1 AppendixD2CycleandSettingsUsedforTestTimedDryCycle,MaximumTemperatureAutomaticTerminationControlDryers:“Normal”AutomaticDryCycle;MaximumTemperature(ifseparatelyselectable);“Normal”or“Medium”Dryness(or,ifnosuchdesignations,atmid‐pointbetweenmin.andmax.settings)TimerDryers:TimedDryCycle,MaximumTemperatureRMCofTestLoadatWhichTestisStoppedStoppedmanuallyat2.5–5percentRMCAutomaticTerminationControlDryers:Allowedtorununtilcompletionofautomaticcycle.Mustbebelow2‐percentRMCoradditionaltestwithhighestdrynesslevelsettingmustberun.TimerDryers:Stoppedmanuallyat1–2.5percentRMCCoolDownClothesdryernotpermittedtoadvanceintocooldownCooldownperiodincludedinautomaticcycletestBackground:CurrentTestProcedureProvisions‐Summary13TestProvisions AppendixD1 AppendixD2CoolDownClothesdryernotpermittedtoadvanceintocooldownCooldownperiodincludedinautomaticcycletestFieldUseFactor(multipliedbyper‐cycleenergyconsumptiontoaccountforoverdrying)=1.04forautomaticterminationcontroldryers=1.18fortimerdryersNofieldusefactorforautomaticterminationcontroldryers.=1.18fortimerdryersClarifications:CyclesettingsusedforthetestcycleRequirementsforthegassupplyforgasclothesdryersInstallationconditionsforconsolelightsMethodformeasuringthedrumcapacityMaximumallowablescalerangeAllowableuseofarelativehumiditymeterYes YesBackground:CurrentTestProcedureProvisions‐Summary14Background•Reasonforfurtherdiscussion:oInterestedpartieshavecommentedthattheDOEclothesdryertestproceduresmaynotproduceresultsthatarerepresentativeofconsumerusewithregardstotestloadsizeandcomposition,cyclesettingsforthetestcycle,andotherprovisionsinthetestprocedure.oManufacturersmentionedthattestloadtypesandtestclothmaterialsdifferentthanthosespecifiedintheDOEtestproceduredonotproduceresultsasrepeatableasthoseobtainedusingtheDOEtestload.oDOEisinterestedinfindingasolutionthatworksforallparties,whichprovidesatestprocedurethatdifferentiatesproductsonthemarket,providestheconsumerinformationaboutdryerusageasseeninthefield,andisrepeatableandreproducible.15Background•RecentstudiesconductedbyOakRidgeNationalLaboratory(ORNL)andPacificNorthwestNationalLaboratory(PNNL)oCharacterizedcurrentclothesdryerperformanceusingappendixD1andD2withdifferenttestloads.oEvaluatedcurrentautomaticcycleterminationsensorsandpotentialenergysavingsthroughimprovedsensorsandcontrolstrategies.oORNL:investigatedreducedairflowandrecirculationofexhaustairtoachievemorehomogeneousloadintermsoffinalRMCandenhancesensitivityofsensorresponseduringthefinalstagesofdrying.oPNNL:investigatedhumiditysensorstoaugmentexistingterminationalgorithms.•ReportLinks:oORNL:http://web.ornl.gov/sci/buildings/docs/2014‐10‐09‐ORNL‐DryerFinalReport‐TM‐2014‐431.pdf.oPNNLVol.1:http://www.pnnl.gov/main/publications/external/technical_reports/PNNL‐23621.pdf.oPNNLVol.2:http://www.pnnl.gov/main/publications/external/technical_reports/PNNL‐23616.pdf.16PublicMeetingSlidesTopics1Introductions2Stakeholder Opening Statements3Regulatory History and Background4Round-Table Discussion: Test Procedure Changes5Closing Remarks17Round‐TableDiscussion•Round‐tablediscussionandideagenerationregardingchangestoprovisionsinDOEtestprocedure.oDOEhasoutlinedkeytestprocedureprovisionsforwhichinterestedpartieshaveraisedconcerninthepast.oInterestedpartiesarewelcometoopenlydiscusstheseandanyotherpotentialchangestoprovisionsintheDOEtestprocedure.oForeachcommentregardingsuggestedchangestothetestprocedure,commentersareencouragedtopresentsupportingdataanddiscusshowthiswillaffecttestburden,test‐to‐testrepeatability,lab‐to‐labreproducibility,andhowthesesuggestedchangeswouldsimulatetypicaldryerusageinthefield.18TestLoad:Composition•CurrentDOETestProvisions:oBothAppendixD1andD2specifyatestloadcomposedofcottonmomietestclothsthatareeach24inchesby36inchesindimensionsandareablendof50‐percentcottonand50‐percentpolyester•WhatalternativeoptionsshouldDOEconsiderforcompositionandconstructionofthetestload?oAHAM1992– Cottontowel,t‐shirt,shorts,tablecloth,pillowcase,bedsheetoAHAM2009– Longstaplepurecottonbedsheets,pillowcaseandtowelsoOthers?Imagesource:NEEASEDITWD,Dec,16.201219TestLoad:AlternativeFabric•ShouldDOEconsideranyalternativematerials(e.g.,synthetic)forthetestload?oAnyalternativesyntheticfabricsthathavesimilarmoistureretainingpropertiesofcottonthatmayreducevariabilityinperformance?oRayon:semi‐syntheticfabricmadefromregeneratedcellulosewithsimilarcharacteristicstocotton.•Therearethreetypesofrayon:viscose,modal,lyocell.Characteristics Cotton ModalHygroscopy (waterabsorption)High HigherthancottonThermalCapacity(TemperatureRegulation)Average AverageDurabilityMedium MediumAbilitytoWrinkleMedium MediumBreathabilityHigh High20TestCycleSettings:Program,TemperatureandDrynessSettings•AppendixD2TestCycleSettings:oAutomaticterminationcontroldryers:o“Normal”cycleprogram.Fordryersthatdonothavea“normal”program,thecyclerecommendedbythemanufacturerfordryingcottonorlinenclothesisselected.oMaximumdryingtemperaturesettingwhenseparatelyselectable.o“Normal”or“medium”drynesslevelsettingwhenseparatelyselectable.Ifsuchdesignationisnotprovided,thenthedrynesslevelshallbesetatthemid‐pointbetweentheminimumandmaximumsettings.oAnyotheroptionalcyclesettingsthatdonotaffecttheprogram,temperatureordrynesssettingsshallbetestedintheas‐shippedposition.oTimerdryers:oMaximumtemperaturesettingand,ifequippedwithatimer,atthemaximumtimesetting.oAnyotheroptionalcyclesettingsthatdonotaffectthetemperatureortimesettingsshallbetestedintheas‐shippedposition.oIftheclothesdryerdoesnothaveaseparatetemperaturesettingselectiononthecontrolpanel,themaximumtimesettingshouldbeusedforthedryingtestcycle.21TestCycleSettings:Program,TemperatureandDrynessSettings•Whatcombinationsofcycleprograms,temperaturesettings,drynesssettings,andotheroptionalcyclesettingsshouldDOEconsiderforthetestcycle?oCyclePrograms:Normal,Heavy,DelicatesoTemperatureSettings:Low,Medium,HighoDrynessSettings:LessDry,NormalDry,MoreDryoOtherOptionalCycleSettings(e.g.,EcoMode)NorthwestEnergyEfficiencyAlliance(NEEA)fieldstudyconductedinthePacificNorthwestinWinter2012.•TemperatureSettings•DrynessLevelSettings22OtherTestProcedureIssues•DOEwelcomescommentsonothertestprocedureprovisionsthatitshouldconsiderchanging(currentDOEtestprocedurerequirementsincludedinparentheses):–InitialRMC(57.5percent)–Consumer‐acceptedfinalRMC(2.0percent)–Testloadweight(8.45poundsforstandard‐sizedryers;3.00poundsforcompact‐sizedryers)–Cyclesperyear(283cycles)–Othertestprovision(s)?23PublicMeetingSlidesTopics1Introductions2Stakeholder Opening Statements3Regulatory History and Background4Round-Table Discussion: Test Procedure Changes5Closing Remarks24HowtoSubmitComments...•PublicMeeting – oralcommentswillbecapturedinthetranscriptandbecomepartofthepublicrecord.•Writtencomments – commentperiodopenuntilDecember15,2014.Referencedocket#:EERE–2014–BT–TP–0034Email:ResClothesDryer2014TP0034@ee.doe.govMail:Mrs.BrendaEdwardsU.S.DepartmentofEnergyBuildingTechnologiesProgram1000IndependenceAvenueSW.,MailstopEE‐2JWashington,DC20585‐0121Courier: Mrs.BrendaEdwardsU.S.DepartmentofEnergyBuildingTechnologiesProgram950L'EnfantPlaza,Suite600Washington,DC20024Telephone:(202)586‐294525BackupSlides26DOETesting:RepeatabilityandReproducibility•Recenttestingevaluatedtherepeatabilityandreproducibilityofdifferenttestloadsandconditionsformeasuringtheeffectsofautomaticcycletermination:oTestingconductedbyDOEonasampleof20clothesdryersencompassingallproductclassesaspartofthemostrecenttestprocedurerulemaking.oTestingconductedbyOakRidgeNationalLaboratory(ORNL)andPacificNorthwestNationalLaboratory(PNNL)onsamplesof4‐5venteddryers.•Testloadsevaluated:oDOE– 50/50cotton/polyesterclothoAHAM1992– Cottontowel,t‐shirt,shorts,tablecloth,pillowcase,bedsheetoAHAM2009– Longstaplepurecottonbedsheets,pillowcaseandtowels.27DOETestProcedureRulemakingTesting:AppendicesD1andD2ProductClass TestUnitCEFTest‐to‐TestVariationStandardDeviation(%)DOETestLoad(AppendixD1)IEC/AHAMTestLoad(AppendixD1)AutomaticCycleTermination‐DOETestLoad(AppendixD2)AutomaticCycleTermination‐IEC/AHAM TestLoad(AppendixD2)VentedElectricStandard1 1.35 1.42 0.5 2.262 0.57‐‐2.95 0.503 0.89 1.21 1.46 0.624 0.37‐‐1.14 6.445 1.02‐‐2.10 0.776 0.46 1.28 0.72 3.687 0.70‐‐2.20 1.598 1.12 0.96 0.16 1.73Avg 0.81 1.22 1.40 2.20VentedElectricCompact(240V)9 1.60 0.90 4.25 2.4210 0.18 1.28 5.70 4.39Avg 1.10 1.09 4.98 3.40VentedElectricCompact(120V)11 0.51 0.31 2.12 2.2528DOETestProcedureRulemakingTesting:AppendicesD1andD2ProductClass TestUnitCEFTest‐to‐TestVariationStandardDeviation(%)DOETestLoad(AppendixD1)IEC/AHAMTestLoad(AppendixD1)AutomaticCycleTermination‐DOETestLoad(AppendixD2)AutomaticCycleTermination‐IEC/AHAM TestLoad(AppendixD2)Vented Gas12 1.31‐‐0.48 3.0713 0.82 1.17 0.81 1.9514 2.08 1.10 1.58 0.9215 1.23‐‐2.08 1.7316 0.61‐‐0.68 1.9117 0.52 0.55 2.73 1.94Avg 1.10 0.94 1.39 1.92VentedElectricCompact(240V)18 0.32‐‐2.00 1.50VentedElectricCombinationWasher/Dryer19 0.75‐‐0.55 0.1620 0.90‐‐3.22 1.58Avg 0.82‐‐1.88 0.87TotalAverage 0.87 1.02 1.87 2.0729DOETestResultsforLab‐to‐LabReproducibilityProduct Class Test UnitAutomaticCycleTermination,DOETestLoad‐AverageCEFAutomaticCycleTermination,AHAM2009TestLoad‐AverageCEFDOELabIndependentLab%Difference DOELabIndependentLab%DifferenceVentedElectricStandard1 3.10 3.16 2.2% 2.85 3.13 9.8%2 2.73 3.02 10.8% 2.76 2.79 1.0%VentedElectricCompact(240V)10 2.26 2.27 0.3% 2.12 2.12 0.0%VentedGas13 2.86 2.87 0.4% 2.87 2.64 7.8%15 2.72 2.69 1.0% 2.73 2.64 3.2%16 3.29 3.25 1.2% 3.23 2.99 7.2%17 3.03 2.94 2.8% 3.03 2.89 4.5%VentedElectricCompact(240V)18 2.90 2.73 6.0% 2.74 2.63 4.2%VentedElectricCombinationWasher/Dryer20 2.19 2.23 2.0% NotTested NotTestedAverage3.0% 4.7%30ORNL:EffectsofLoadType•UsingAppendixD2,ORNLconductedteststoshowtheeffectsoftestloadonEF,remainingmoisturecontent(RMC),anddurationforeachdryermodel.EC – Electric CompactES – Electric StandardGS -- Gas Standard31ORNLKeyResults:Test‐to‐TestVariation32PNNL:LoadTests•PNNLperformedanumberoftestson4unitstoanalyzeEF,RMC,anddryingtime.•ReplicatetestswereperformedonTestUnit1below.TestTestLoadTempSetting#ofTestsDryingtime(minutes)FinalRMC(%)EF(lbs/kWh)Avg SD %SD Avg SD %SD Avg SD %SDD2DOE High 3 39.7 0.43 1% 0.58 0.09 16% 3.22 0.05 2%D2DOE Medium 1 37.6 0.50 3.41D2A2009High 3 40.2 1.28 3% 0.74 0.05 6% 3.03 0.08 3%D2A2009 medium 1 38.9 0.92 3.18D2A1992High 3 36.6 2.02 6% 1.53 0.87 57% 3.27 0.13 4%D2A1992 medium 1 36.0 2.38 3.36D1DOE High 323.0 0.25 1%3.76 1.02 27% 3.99 0.06 2%33PPNL:Summaryoftestresultsfortheother3dryersDryer Test TestLoad TempSettingDryingTime(mins)RMC(%) EF(lbs/kWh)TestUnit2D2 DOE high 37.34 0.47 3.41D2 DOE medium 34.25 0.47 3.63D2 AHAM2009 high 35.91 0.86 3.34D2 AHAM2009 medium 35.52 2.25 3.45D2 AHAM1992 high 36.85 1.66 3.23D2 AHAM1992 medium 35.52 4.85 3.66D1 DOE high 23.10 4.41 4.01TestUnit3D2 DOE turbo 33.20 0.62 3.19D2 DOE fullload 36.80 0.59 2.96D2 AHAM2009 turbo 35.97 1.98 2.56D2 AHAM2009 fullload 35.63 3.10 3.06D2 AHAM1992 turbo 33.22 4.94 2.83D2 AHAM1992 fullload145.08 1.26 2.26D1 DOE turbo 29.45 3.38 3.69TestUnit4D2 DOE high 38.77 0.58 2.54D2 DOE medium 35.45 0.78 2.79D2 AHAM2009 high 37.67 0.73 2.49D2 AHAM2009 medium 36.25 1.31 2.64D2 AHAM1992 high 41.27 0.81 2.38D2 AHAM1992 medium 33.03 2.79 2.86D1 DOE high 21.93 2.59 3.35