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1477.1 Gsneral: Equprt�ent shail tnve a mlNmun perbnranoe at tha <br />speeified ratirp canddbns not lees Man the whes �hown in Table 1�-1 <br />iMagh 743. H a nationalty recopn¢ed certilication p�opnm ezhts for a <br />product coverad in Tables 147 C�muph 143, and k include� provisbm br <br />vedlleation and dnlbnpe of equpmert effelmcy �atirp�, then tha product <br />slrll be listed In ihe eertification propram. <br />1411.2 Ratlrq CondfNonr. Coolinp equlpment thal be Med at ARI tat <br />candkbro and procedures when awilable. Where ra applkabla <br />procedures ezid, daW shall be lumiehed by the eqWprt�eM manufadurer. <br />1411.9 Combinatbn Space and Servke Water Healinp: For <br />canbinatbn tpace aM emice water Mateis with a prircipal fundion of <br />providirq epace heat, the Combined Mnual ElficMrky (CAE) may be <br />cakulated by ulnp ASHRAE SGndard 1241991. Slarepe Nater heaEen <br />used In combinatbn apace heat ard waler heat applications ahall have <br />eiCier an Enerpy FAdor (E� or a CAE ol not kes than the blbwirq: <br />EF CAE <br /><50 alt! e 0.58 0.71 <br />50to70 alatora e 0.57 0.71 <br />> 70 pal dorape 0.55 0.70 <br />U11.4 Pa�.;caped Eleetric HeaQrq and Coollnp Equlpment Padnped <br />NectAc equipmert providirq bdh Iwetinp aM coolinp with a tolal coolinp <br />capaeily preakr than 20,000 &Wh ehell be a heal pump. <br />Exaeptbn: Unataffed equipment ehaetters orwbinMs used <br />eoley for peraorel wireless aervice facildiea. <br />1412 Conirols <br />1N21 TemperaW re Controls: Eaeh system shall be provided wilh at <br />bast ore tempereture coriArol device. Each zone shall be cmtrdled by <br />IndNidual M�artrwAadc wMfols respordinp to kmpereture wltliln 1M zore. <br />At a trvnimirtn, each floorof a building shail be coneldered as a separele <br />zone. <br />74122 Deatlband ConW k: IMien used to contrd both comfort Ixetirq <br />and codirg. mne tliermodatk wntrds shall be eapable of a deadbarq o1 <br />at least 5 deprees F within wfilch tM wppy ot Mating and codirq enerpy <br />io the zone k shut oB or reduced to a mirdmum. <br />Ercxptions: <br />1. Special occupancy, spedal usage, or eode requremerAs <br />wfiere deadband coMrob are twt epptopriate. <br />2. Buildinga comPNing xith Section 1147.4, ff In the Proposed <br />buildinp enerpy anaysis, heaHrg aM eoo6rg themaetet <br />se�olyds are set to the same temperatura belvreen 70 <br />degrees F and 75 deyrees F Inclueive, aM assured to be <br />constant thmughout the year. <br />3. Thermoefats lhat teqWre manial changeover be(Neen <br />h�tiq and coolirq modes. <br />14723 Humidky Controla: If a syslem is eqWpped with a means tor <br />adding moktwe, a huiddlatat ehall be piovided. <br />�47245etback and Shut-0If: HVAC eystems ehall be equipped vr.th <br />automatie corRiola capabie of acwmplishing a reductlon of ereryy use <br />through coMrol aetback or equipmeM shutdown durirq periods of norfuee <br />or altemale use o( lhe spaces served by the system. The automatle <br />eontrols shall have a minirtxim sevenday cbck and be eapable of belnp <br />sM for seven diflerent day types perv.eek. <br />Exceptions: <br />1. Systeme aervinp amas which require conttrwws opentlon at <br />the eame tempereture setpoint. <br />2. Equipmerd xith lull load demands ot 2 kW (6,826 BiWh) or <br />less may be conirolled by readily accesaible manual ofl•hour <br />torAtols. <br />1412�.1 Dampers: Oulside a(r intakes, eshaust outlets and reilef aMeb <br />servirq cond'Noned spaces shall be equipped vrith damperswhkh cbse <br />aulomaticaly xfien Ihe system is oHar upon power kilure. <br />Exceplions: <br />1. Systeme aerving areas vfiich require coMirwoua operation. <br />2. Combustion air irtakes. <br />74724.2 Opthnum SUrt Conirob: Heating and cooling systeme with <br />design suppty air wpacilies exceeding 10,000 efm shall have optimun <br />staA wntrols. Optimum etaA mnhds shall be desiyned to silomatically <br />adjust ihe start time of an HVAC system each day to Mip the space to <br />desired oceupied temperature levels immedlately before acheduMd <br />occupancy. The conirol alporithm shall, as a mininxm, be a Nnction o1Cie <br />diRerence beAveen space temperdture and ocwpkd eetpoiM arW the <br />amount of time prior to scheduled xcupancy. <br />rnnop�ucswm urmvw ur mnn¢e r4PAmerm na� w+Y� uu�.�y <br />Wrt+q, �eti.p, aM dehat omdtlon. ihera conlyds dnN anucipate <br />reM tor lieat end ue wrtp�aMion he�tlrq a the flnt aape of I�eat. <br />Controk ahall Indicate when aqpbmakal heatlnp k beirq u�ed thraqh <br />viwal meant (e.p.. LED Indle�Wn). <br />14128 Combustlon NwtNq Equlpnwnt Contmb: CombuWion heatin7 <br />equipnent wHh a npadly over 725,000 BIWh thll hrve modJatkq or <br />daped combwtion control. <br />Exuptions: <br />1. Boilen. <br />2. Radiant FieaOen. <br />1412.7 Balaneinp: Each air wppy o Wet or air or water tortnirml device <br />ahall have a mearr br balaneirg, includirg but not lirrited to, dampeB, <br />temperalure and preuure teat eoirieetbns and balandnp vaNas. <br />7473 Alr Econanlz�ts <br />1413.1 Operalbn: Nrecanmizeis ehall be otaulomatkaly rtadulati�p <br />outNde aM refum aly dampe�s to provide 100 pe�cent o1 tlie deaipn wpply <br />air as ouhlde alr to reduce or elimlrMe ihe naed br mecMrYcal eodinp. <br />1413.2 Control: Air economizen tMll be controlled by a wrtrol syetem <br />wpabte otdetermiNrp if Wside airun meet p�A orall ofthe buildinp'e <br />caol6q baM. <br />7H3.3 IMapnled Opention: Buildinp HuAinp Eneryy: Alr economizere <br />sha�l be capable W providirg partlal coolinp even when edditlornl <br />mechaNcal codirq k raquked to rtbet ihe �emainder of tM codirg bad. <br />ConWk ahall rol preclude tlia econorNztt oparat(on when rrechankal <br />caolinp k requfred sim�lhneoudy. <br />Exceptbn: EaonaNzen on Indlvidual, direct expanaion, 000irg <br />systeme wkh apacitles not preater tlan 75�000 BtWh may <br />Include coMrok tlmt Ilmit dmuManeous operatlon of the <br />ecorortYzer and mechartical codirp forthe pupose of Preventirp <br />Ice (ormatbn on coolifg cdls. <br />7171 Ductlrp Systems <br />74U.1 Sealirp: Ductwak wNch k desipned to opeinte at pressures <br />above 12 inch water colunn efatle preswe ehall tre aealad in aaordanca <br />wkh SfandaN RS18. EaEeM of eealirp requred k as fdloNs: <br />�. smno �,re: �rz ioa, ro z i�.;.ea �rarrov�� Jam.. <br />2. Static pre�wre: 2lnches to 3lnehes; �I ell tra�mvemeldrtls <br />and brgkudinal cearte. <br />3. Stalk pressura: above 3 irches; eed all trarmveree jdnte, <br />brgiWdirel aeams and duct vsll perMietbns. <br />DUM hpe and other pressure smelthre hpe ehall not be ueed as the <br />primary sealaM vAiere duds am desiqned to openEe at Wtic preswrea of <br />1 inch W.C. or preaM. <br />1474.21naulatlon: Dtcts and pknune fhat are con�hue0ed atd Nnctlon <br />as part of the buildtq ernalope, by anparatirq i�erbr space fiom exterlor <br />epace, ahall meet all apqicable requmneMa of Chapter 13. Theee <br />requi2merRe inelude YnWlion InWlladon, mo4ture corArol, air I�ka9e, <br />and Meldinp envebpe imilatlon Iwek. UnheaOed equipment roomn wilh <br />combuetion air buven rnwt be bokted hom tlia caMiNoned space by <br />inaWatinp (rHerbr wrfaces to a miNmun of R-11 and arry exlerior <br />ernebpe wrhces per CMpler 13. QAeWe dr duch aervirp IMividual <br />suppy air �mils with leas Man 2,800 chn of tatal wppy alr ppadty shail be <br />insulated to a miNmum ot R-7 and are rat conddered buildinq ernetope. <br />IXher ouleMe air duct nns aie conWered buidirq ernebpe vitll tliey, <br />1. conreM to Me heatlnp or caolirg eqWpment, or <br />2. are iealated Gom ihe eMerbr wNh an automatk ahutotl damper <br />complylnp xith Section 1412.4.1. <br />Once oLLaMe air ducts meet the above Gded requiiemerte, any nna <br />Nithin conditioned apace shall eomply with 7able 145 requirertients. <br />Other duds and pbnuns ahall be Nxrmaly Imulated per Table 145. <br />Exceptbns: <br />i. WAhin the NVAC equipmeM. <br />2. F�ehaust air duela rot subjed to condensation. <br />3. Exposed duMvotk WiMin a zora Mat serves that zone. <br />7416 Plping Syetems <br />1476.1 Insulatlon: Rpinp shall be thertnally I�sWated in axordana� with <br />Table 14-6. <br />Ezceptbn: Pipinp Imhlled wiMin urotery FNAC equipmeM. <br />Vlfater pipes outelde ttie carMttlone�f space �trell be im�lated in <br />accordance with WasMrqton State Plumbirq Code (WAC 51-Z� <br />U16 Completion Requitemenls (Re/erto NREC Section 14f6 end fhe <br />Bulding Comrrsslor�ny GiideNnes. pudislrod by fhe Building <br />Commissionrng Assoeistion, /ar conpbfe text and gWdNines /a buYdinp <br />completlon and cormissbrdrg reqrirerrienb.) <br />g(• <br />