Note:NumberingisbasedonSIeditionofASHRAE90.1‐2010. April23,2012
ASHRAE90.1&SB‐10‐SECTION6.3HVACSIMPLIFIEDAPPROACHForm6.3
IfsimplifiedHVACmethodisusedcompletethisform,otherwiseproceedtoForm6.4.
NumberofStories: Grossfloorarea: m²
Reference StandardCompliance
6.3.1 Thebuildingis2storiesorlessinheightandhasagrossfloorarealessthan2,323m².□YES □NO
6.3.2 AlloftherequirementsinSection6.3asoutlinedbelowmustbemetbyeachHVACsysteminthe
facility.
6.3.2.a SystemservesasingleHVACzone.□YES □NO
6.3.2.b TheequipmentmeetsthevariableflowrequirementsofSection6.4.3.10.□YES□N/A□NO
6.3.2.c Ifacoolingisinstalled,itisprovidedbyaunitarypackagedorsplit‐systemairconditionerthatis
eitherair‐cooledorevaporativelycooledandmeetstheefficiencyrequirementsshowninTables
6.8.1A,6.8.1B,and6.8.1D.
□YES□N/A□NO
6.3.2.d Thesystemhasanaireconomizerwithoutsideairflowcapacityandcontrolsasrequiredper
Section6.5.1.,unlessexempt.
□YES□N/A□NO
6.3.2.e Heatingisprovidedbyaunitarypackagedorsplit‐systemheatpump,afuel‐firedfurnace,an
electricresistanceheaterorabaseboardsystemconnectedtoaboiler.Allheatingequipment
meetstheefficiencyrequirementsshowninTable6.8.1B,6.8.1D,6.8.1E,and6.8.1F.
□YES□N/A□NO
6.3.2.f SystemmeetstheexhaustairenergyrecoveryrequirementsofSection6.5.6.1,unlessexempt.□YES□N/A□NO
6.3.2.g Thesystemiscontrolledbyamanualchangeoverordualsetpointthermostat.□YES □NO
6.3.2.h Heatpumpsequippedwithauxiliaryinternalelectricresistanceheaters(ifany)havecontrolsto
preventsupplementalheateroperationwhentheheatingloadcanbemetbytheheatpump
alone.
□YES□N/A□NO
6.3.2.i Thesystemcontrolsdonotpermitreheatoranyotherformofsimultaneousheatingandcooling
forhumiditycontrol.
□YES□N/A□NO
6.3.2.j Systemsareprovidedwithatimeswitchthat(1)canstartandstopthesystemunderdifferent
schedulesforsevendifferentday‐typesperweek;(2)iscapableofretainingprogrammingand
timesettingduringalossofpowerforaperiodofatleast10h;(3)includesanaccessiblemanual
overridethatallowstemporaryoperationofthesystemforupto2h;(4)iscapableof
temperaturesetbackdownto13°Cduringoffhours;and(5)iscapableoftemperaturesetupto
32°Cduringoffhoursunlessexempt.
□YES□N/A□NO
6.3.2.k PipingisinsulatedinaccordancewithvaluesgiveninTable6.8.3Aand6.8.3B.Insulationexposed
toweatherissuitableforoutdoorservice(i.e.protectedbyaluminum,sheetmetal,etc.orpainted
withacoatingthatiswaterretardantandprovidesshieldingfromsolarradiation).
□YES□N/A□NO
6.3.2.l DuctworkandplenumsareinsulatedinaccordancewithTables6.8.2Aand6.8.2Bandsealedin
accordancewithSection6.4.4.2.1.
□YES□N/A□NO
6.3.2.m Specificationscallforductedairsystemstobebalanced.□YES□N/A□NO
6.3.2.n OutdoorairintakeandexhaustsystemsmeetthecontrolsrequirementsofSection6.4.3.4.□YES□N/A□NO
6.3.2.o Whereseparateheatingandcoolingequipmentservethesametemperaturezone,thermostats
areinterlockedtopreventsimultaneousheatingandcooling.
□YES□N/A□NO
6.3.2.p Systemswithadesignsupplyaircapacitygreaterthan5,000L/shaveoptimumstartcontrols.□YES□N/A□NO
6.3.2.q Inspaceslargerthan50m²andwithdesignoccupancyofmorethan40peopleper100m²,the
systemcomplieswiththedemandcontrolventilationrequirementsinSection6.4.3.9,unless
exempt.
□YES□N/A□NO