BUILDINGTECHNOLOGIESPROGRAMMay27,2014ASRAC PumpsWorkingGroupComparisonofHI,DOE,andEULot11MEIC‐Values2IntroductionWorkinggroupmembershaveexpressedconcernthattheEfficiencyLevelsproposedbyDOEattheApril29‐30meetingresultinasignificantlydifferentamountofpumpsfailing,ascomparedtotheEULot11MEIC‐Values.ThefollowingslidesevaluatetherelativeefficiencyoftheUSandEUpumppopulations,bycomparingtheMEIC‐ValuesfromtheDOEUSdataset,HIUSdataset,andEULot11dataset.oMEIC‐Valuesareusedinthisevaluation,becauseitisnotpossibletocalculatePERC‐ValuesfortheEUpopulationoTwosetsofHIC‐Valuesarebeingpresented:1.C‐ValuescalculatedandsubmittedbyNEMA BIS2.C‐ValuescalculatedbyNavigant/LBNL spreadsheets,withdatapopulatedandaggregatedbyNEMA BISoDOEandHIdatasetareintheprocessofbeingmerged.Resultsfor2‐and4‐PoleESCC,ESFM,IL,andVT‐SwillbepresentedoTheuseofEUC‐ValuesforRS‐Viscurrentlyunderconsideration,pendingworkinggroupapproval.3Results:ESCC 1800#Below110:1#Above150:14Results:ESCC 3600#Below110:1#Above150:05Results:ESFM 1800#Below110:4#Above150:06Results:ESFM 3600#Below110:1#Above150:07Results:IL1800#Below110:0#Above150:08Results:IL3600#Below110:0#Above150:39Results:VT‐S3600#Below110:0#Above150:310Results:SummaryTablesDOEMEIC‐ValuesEquipmentClass 10% 25% 40% 55% 70%ESCC 1800 132.60 129.24 127.51 125.66 124.25ESCC 3600 133.75 130.67 129.22 127.84 125.94ESFM 1800 131.86 128.76 127.22 125.52 123.94ESFM 3600 133.73 131.05 129.34 128.17 126.20IL 1800 134.87 129.66 127.79 126.71 124.96IL 3600 139.80 133.88 131.37 129.54 127.68RSV 1800 134.45 132.69 130.38 128.63 125.48RSV 3600 138.19 135.15 133.95 132.65 130.37VTS 1800VTS 3600 136.47 134.17 131.86 129.38 127.95HIMEIC‐ValuesNEMA Calc10% 25% 40% 55% 70%ESCC 1800 132.89 129.40 127.47 125.40 123.90ESCC 3600 136.20 131.50 129.47 127.46 125.25ESFM 1800 133.30 129.70 128.02 125.64 123.95ESFM 3600 135.34 131.60 129.84 128.04 126.10IL 1800 135.60 131.20 127.59 126.65 125.05IL 3600 140.00 134.55 131.90 129.25 127.30RSV 1800 134.45 132.69 130.38 128.63 125.48RSV 3600 138.19 135.15 133.95 132.65 130.37VTS 1800VTS 3600 136.10 132.30 130.60 128.20 127.00EUMEIC‐Values10% 25% 40% 55% 70%ESCC 1800 132.74 130.49 128.46 126.98 125.46ESCC 3600 135.93 133.03 130.77 129.33 127.75ESFM 1800 132.58 130.02 128.07 126.54 124.85ESFM 3600 135.60 132.52 130.27 128.65 127.06IL 1800 136.67 134.02 132.30 130.66 128.98IL 3600 139.45 135.72 133.69 132.00 129.83RSV 1800 134.45 132.69 130.38 128.63 125.48RSV 3600 138.19 135.15 133.95 132.65 130.37VTS 1800VTS 3600 134.31 132.89 132.43 130.94 128.79HIMEIC‐ValuesNAV Calc10% 25% 40% 55% 70%ESCC 1800 132.53 129.71 127.71 126.41 125.99ESCC 3600 135.10 131.34 129.83 128.83 128.38ESFM 1800 133.89 130.19 128.33 127.12 126.38ESFM 3600 136.08 132.00 130.25 129.05 128.66IL 1800 135.98 130.58 127.89 127.17 126.64IL 3600 140.20 135.06 132.60 130.63 130.09RSV 1800 134.45 132.69 130.38 130.04 128.63RSV 3600 138.19 135.15 133.95 133.43 132.65VTS 1800VTS 3600 135.55 132.88 131.23 130.13 129.2611Summary:HI(NavigantCalc)vs.EUMEIC‐ValuesESCCoHI(Nav Calc)C‐Valuesareconsistentlymoreefficient,byanaverageof1.0efficiencypointateachcut‐offlevelESFMoHI(Nav Calc)C‐Valuesare consistentlyonpartotheEUmarketILoHI(Nav Calc)C‐Valuesare consistentlymoreefficient,byanaverageof2.25efficiencypointsateachcut‐offlevelVT‐SoResultsaremixed.•HI(Nav Calc)C‐Valuesare1.25pointslessefficientatMEI10andonaverage1.5pointsmoreefficientatMEI40through70.PossibleReasonsforDifferingEfficienciesUSmarketmayhavebenefitedfromtechnologyupgradesresultingformEULot11standard.EULot11MEIC‐Valueswerepublished2007,anddatamaybeevenolder.GreaterUSefficiencycouldrepresentnaturalprogress12Summary:HINEMA BIS vs.EUMEIC‐ValuesESCCoHI(NEMA Calc)C‐Valuesareconsistentlymoreefficient,byanaverageof1.25efficiencypointsateachcut‐offlevelESFMoHI(NEMA Calc)C‐Valuesare consistentlymoreefficient,byanaverageof0.5efficiencypointsateachcut‐offlevelILoHI(NEMA Calc)C‐Valuesare consistentlymoreefficient,byanaverageof2.5efficiencypointsateachcut‐offlevelVT‐SoResultsaremixed.•HI(NEMA Calc)C‐Valuesare1.75pointslessefficientatMEI10andonaverage2pointsmoreefficientatMEI25through70.PossibleReasonsforDifferingEfficienciesUSmarketmayhavebenefitedfromtechnologyupgradesresultingformEULot11standard.EULot11MEIC‐Valueswerepublished2007,anddatamaybeevenolder.GreaterUSefficiencycouldrepresentnaturalprogress13Summary:HI(NavigantCalc)vs.HINEMA BIS C‐ValuesESCCoNEMA CalculatedC‐ValuesareconsistentlymoreefficientthanNavigantCalculatedC‐Values,byanaverageof0.3efficiencypointsateachcut‐offlevelESFMoNEMA CalculatedC‐ValuesareconsistentlymoreefficientNavigantCalculatedC‐Values,byanaverageof0.6efficiencypointsateachcut‐offlevelILoNEMA CalculatedC‐ValuesareonparwithNavigantcalculatedC‐Valuesfor1800RPMoNEMA CalculatedC‐ValuesareconsistentlymoreefficientNavigantCalculatedC‐Values,byanaverageof0.5efficiencypointsateachcut‐offlevelfor3600RPMVT‐SoResultsaremixed.•NEMA CalculatedC‐Valesare0.6pointslessefficientNavigantCalculatedC‐ValuesatMEI10andonaverage0.8pointsmoreefficientatMEI25through70.14Summary:HI(NavigantCalc)vs.DOEC‐ValuesESCCoDOEC‐ValuesareconsistentlymoreefficientthanHI(Nav Calc)C‐Values,byanaverageof0.5efficiencypointsateachcut‐offlevelESFMoDOE C‐ValuesareconsistentlymoreefficientthanHI(Nav Calc)C‐Values,byanaverageof1.1efficiencypointsateachcut‐offlevelILoDOE C‐ValuesareconsistentlymoreefficientthanHI(Nav Calc)C‐Values,byanaverageof0.5efficiencypointsateachcut‐offlevelVT‐SoDOEC‐ValuesareconsistentlylessefficientthanHI(Nav Calc)C‐Values,byanaverageof0.7efficiencypointsateachcut‐offlevel15ConclusionsCommentsonvariationamongUSC‐ValuedatasetsVariationbetweentheHIandDOEC‐Valueswasexpected,asDOEandHIdatasetscontainanumberofnon‐overlappingmodels.MEIvariationbetweenthesetswasfoundtobeconsistentwithPERvariation(whichwillbepresentedinadifferentsetofslides)CalculationofPERC‐ValuesfromthemergeddatasetshouldsettletheissueDiscrepanciesbetweentheNEMA BIS andNavigantCalculatedHIC‐Valueswerenotexpected,asbothshouldhavebeencalculatedfromthesamedataset.•Discrepanciesarenotverylarge,andcalculationofMEIandPERC‐Valuesfromthemergeddatasetshouldsettletheissue.16AdditionalAnalysis:UStoEUCrosswalk17UStoEUCrosswalkWithcertainbrandsandproductssoldinboththeEUandtheUS,itisimportanttounderstandhowtheproposedUSstandardlevelscomparetotheexistingEULot11standardlevels.ThecrosswalkwehavedevelopedshowswhatpercentoftheEUmarketwouldbecutoffatagivenUSproposedEfficiencyLevel.Currentlywehavetwocrosswalks,onefortheDOEdata,andonefortheHIdata.Whenthedatasetmergingiscompletewewillupdatewithonecrosswalk.Pleasenotethatresultsareapproximate18UStoEUCrosswalk:DOEDataEL1 EL2 EL3 EL4 EL5EquipmentClassPER10 PER25 PER40 PER55 PER70ESCC 1800 11% 35% 49% 69% >70%ESCC 3600 22% 42% 57% 70% >70%ESFM 1800 15% 35% 48% 65% >70%ESFM 3600 20% 35% 49% 60% >70%IL 1800 21% 64% >70% >70% >70%IL 3600 10% 39% 60% >70% >70%RSV 1800 10% 25% 40% 55% 70%RSV 3600 10% 25% 40% 55% 70%VTS 1800VTS 3600 10% 12% 48% 66% >70%TheC‐Valuesthatcause10%ofUSmodelstofailCauses~22%oftheESCC 3600pumpsintheEUtofail(MEI22)19EL1 EL2 EL3 EL4 EL5EquipmentClassPER10 PER25 PER40 PER55 PER70ESCC 1800 10% 34% 50% >70% >70%ESCC 3600 10% 36% 54% >70% >70%ESFM 1800 10% 28% 41% 63% >70%ESFM 3600 12% 32% 44% 61% >70%IL 1800 17% 49% >70% >70% >70%IL 3600 10% 34% 56% >70% >70%RSV 1800 10% 25% 40% 55% 70%RSV 3600 10% 25% 40% 55% 70%VTS 1800VTS 3600 10% 42% 58% >70% >70%UStoEUCrosswalk:HIData(NEMA BIS Calc)TheC‐Valuesthatcause25%ofUSmodelstofailCauses~36%oftheESCC 3600pumpsintheEUtofail(MEI36)