BUILDINGTECHNOLOGIESPROGRAMMay14,2014ASRACPumpsWorkingGroupWebinarMeetingMetric:FromTestStandtoPER2OverviewToDiscussToday:•Metricnomenclature•HowtouserevisedcalculatorInSlideDeckforReview:•Examplesfordifferentpumpconfigurations–Motoranddriverpartloadlossfactor–TestingvscalculationoptionsToDiscussatNextRegNeg Meeting(May28thand29th):•Impactoftestprocedureandmetriconstandard•ComparisonofMEIandPER•CommentsonmaterialpresentedonMay14thwebinar•ImplementationofPERCLandPERVL3MetricApplicabilitytoPumpConfigurationsPumpConfigurationBare Pump* BarePump+ Motor BarePump+Motor+Controls

Metric CoverageBarePump PERCLDoesnotincludemotorefficiencyDoesnotdescribecontrollossesorbenefitsBarePump+DriverPERCL(w/ std.driver)PERCLDoesnotdescribecontrollossesorbenefitsBarePump+Driver+ControlsPERCL(w/ std.driverandcontrols)PERCL(w/std.controls)PERVL

PumpMotor PumpMotorControl Pump•Defineaunique,butsimilar,metricforcontrolledversusuncontrolledpumps•Uncontrolledpumps‐>ConstantLoadPumpEnergyRating(PERCL)•Controlledpumps‐>VariableLoadPumpEnergyRating(PERPL)*Pumpssoldwithnon‐electricdrivescouldberatedasbarepumps4PumpEnergyRating(PER)andIndex(PEI)NomenclaturePumpEnergyRating(PER)CLandVL:equallyweightedaverageelectricinputpowertothe‘pump’measured(orcalculated)atthedriverinputor,whenpresent,controlsinput,overaspecifiedloadprofile:Where:•wi=weightateachloadpointi•Pini=powerinputtothe“pump”atthedriver,inclusiveofthecontrolsifpresent,(hp)•i =Percentageofflowatthebestefficiencypoint(BEP)ofthepump•i=110%,100%,75%ofBestEfficiencyPoint(BEP)flowatnominalspeedforuncontrolledpumps•i=25%,50%,75%,and100%ofBEPflowatnominalspeedforpumpssoldwithmotorsandcontrolsPumpEnergyIndex(PEI)CLandVL:PERCLandVL,foragivenpumpmodel,overthePERCLforaminimallycompliantpump(PERmax):ࡾࡱࡼࡸࢂ/ࡸ࡯ൌ෍߱௜ܲ௡௜௜௜ࡵࡱࡼࡸࢂ/ࡸ࡯ൌܴܧܲ௅௏/௅஼ܴܧܲ௫௠௔5DeterminingPEICLforanUncontrolledPump•PumpPerformance–Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi•i=75%,100%,and110%offlowrateatBEPofthepump•Equalweighting•MotorPerformance(Losses)–Lratedisthefullloadlossesofamotorthatispairedwiththepumpforpumpssoldwithmotors–LratedisthefullloadlossesofanenclosedmotorthatisminimallycompliantwithDOE’smotorregulations(10CFR431.25)forgeneralpurposemotors(subtypeI)forallpumpsexceptESCCandgeneralpurposemotors(subtypeII)forESCCpumpsܲܫܧ௅஼ൌఠబ.ళఱ௉೔೙బ.ళఱାఠಳಶು௉೔೙ಳಶುାఠభ.భ௉೔೙భ.భ௉ாோ೘ೌೣൌ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉൅ ߱ଵ.ଵܲ௜௡ଵ.ଵ߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௨௠௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵ=భయ∗௉బ.ళఱା௅బ.ళఱାభయ∗௉ಳಶುା௅ಳಶುାభయ∗௉భ.భା௅భ.భభయ∗ುಹ೤೏ೝ೚,బ.ళఱబ.వఱ∗ആ೛ೠ೘೛ା௅బ.ళఱାభయ∗ುಹ೤೏ೝ೚,ಳಶುആ೛ೠ೘೛ା௅ಳಶುାభయ∗ುಹ೤೏ೝ೚,భ.భబ.వఴఱ∗ആ೛ೠ೘೛ା௅భ.భ•NoControlsPerformance6DeterminingPEIVLforaControlledPumpܫܧܲ௏௅ൌ1η௖௧௥௟߱଴.ଶହܲ௜௡଴.ଶହ൅ ߱଴.ହ଴ܲ௜௡଴.ହ଴൅ ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௨௠௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵ=ଵ஗೎೟ೝ೗భర௉೔೙బ.మఱାభర௉೔೙బ.ఱబାభర௉೔೙బ.ళఱାభర௉೔೙ಳಶುఠబ.ళఱುಹ೤೏ೝ೚,బ.ళఱబ.వఱ∗ആ೛ೠ೘೛ା௅బ.ళఱାఠಳಶುುಹ೤೏ೝ೚,ಳಶುആ೛ೠ೘೛ା௅ಳಶುାఠభ.భುಹ೤೏ೝ೚,భ.భబ.వఴఱ∗ആ೛ೠ೘೛ା௅భ.భ•PumpPerformance–Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi•i =25%,50%,75%,and100%offlowrateatBEPofthepump•Equalweighting•MotorPerformance(Losses)–Lratedisthefullloadlossesofamotorthatispairedwiththepumpforpumpssoldwithmotors•ControlsPerformance–Benefitiscapturedincalculationofbareshaftinputpower–Couldstillaccountfordriveefficiency7MinimallyCompliantPump•PERforaminimallycompliantpump–BasedonPERStandardsetthroughStandardsanalysis–Assumesapumpcurveshapefortheminimallycompliantpumpandalwaysassumesnocontrols–Motorlossesarethatofaminimallycompliantenclosedmotorfortheappropriatepumptype–Theminimallycompliantpumpefficiencyiscalculatedforeachpumptypebasedonafunctionofflowandspeedܲܧܴ௔௠௫ൌ ߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣,௠௜௡൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௠௨௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵߟ௣௨௠௣ൌ 88.59 ∗ lnܰݏ ൅ 13.46 ∗ lnܳ௠௘௧௥௜௖െ 11.48 ∗ lnܰݏଶെ 0.85 ∗ lnܳଶെ 0.38 ∗ lnܰݏ∗ lnܳ െܥ•Where:–Nsisthespecificspeedofthepumpinmetricunits,–QistheflowrateofthepumpatBEPinm3/hr,–CistheC‐valueofthesurface,whichissetbasedonthespeedofrotationofthepump,and–Allvaluesareforthepumpat50Hz8PumpCurveExample– DeterminingBareShaftInputPowerHydraulicOutputPowerBestEfficiencyPoint25%50%75%100% 110% 120%Percent of BEP FlowBare PumpBrakeHorsepowerUsed forMotorSizingONLY9PERTestProcedureOptionsPumpConfigurationBare Pump*BarePump+Motor BarePump+Motor+Controls

Test Procedure OptionsTestedBarePump+CalculationsTestedbarepumpperformance +DOEminimumefficiencymotorwithassumedpartloadlossesTested barepumpperformance+manufacturermotorwithassumedpartloadlossesTestedbarepumpperformance+manufacturermotorwithassumedpartloadlossesTestedPumpwithManufacturerMotorN/ATested performanceofbarepumpwithmanufacturermotor(wiretowater)Tested performanceofbarepumpwithmanufacturermotor(wiretowater)TestedPumpwith MotorandControlsN/AN/ATested performanceofbarepumpwithmanufacturermotorandcontrols(followsystemcurve)

PumpMotor PumpMotorControl Pump*Pumpssoldwithnon‐electricdrivescouldberatedasbarepumps