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2001 ^-hin ton S1ate Nonresidential Ene Code Cortw+��ance Form <br /> . � <br /> 2001 Washrtgion5tateNomesidemialEre�gYCaOaCompLanceFwma June1W7-K!M <br /> Mechanical-General Requirements . e. ump o : nitary aircoo ea�Pum�s a a � u <br /> 1/11.1 Gen�nl:Equipment s�all have a minimum perfortnance al the microprocessor wntrols that minimize supplemental�eat usape durinq <br /> specified ratinp conCitions not less ihan ihe values shown in Ta01e 14-1 start-up,seFup,aM dehost conAitbns. T�ese controls shall antici0ate <br /> through 14-3.If a nalionalty reugnized cehificatan program exisis for a need for heat and use comOression heatlnp as the first stape of heat. <br /> produd covereA in Tables 14-7 ihrough 14-3,and it includes provisions lor ConVols shall intlicate when supplemenfal heating is beinp used throuBh <br /> verifiwtion antl challenge ot equipment ef(�ciency ratinps,ihen the product ��su0!means(e.g.,LED inCicators). <br /> shall be listed in the ceAifiwtion program. 7�1P.6 Combuttlon Haatlnp Equlpment ConVds:Combuslbn heating <br /> 1111.2 Rating Condillons:Cooling equipment shall be rated at ARI test equipment with a capacity over 225,000 Btu/h shal�have modulating or <br /> wnditions and procedures when available.Where no applicable stageG wmDustlon control. <br /> procedures exist,Cala shall be fumished by Ihe equipment manufacNrer. Excaptbns: <br /> 1�11.1 Comblmtlon Spa�a and Survlee Water Heatinp:For 1. Boilers. <br /> comhination sDace and service waler heaters with a pnncipal funclion of 2. Radian�Heaters. <br /> provitling space heat,the Combined Mnual Efficiency(CAE)may De 1412•7 Balanclnp:Each air supply outlet or air or wa�er tertninal device <br /> cakuiated by usinp ASHRAE Standara 124-1991.Storage water hea�ers shall have a means tor balancing,i�luding but not IimiteA to,dampers, <br /> used in comEination space heat and water heat applications shall have lemperature and pressure test connections antl balancing valves. <br /> either an Energy FActor([F)or a CAE of not less Ihan ihe folbwing: 1113 Alr Economlzen <br /> EF CAE 1177.1 OpanGon: Air economizers s�all be of aulomatiwlly moAulating <br /> <50 gal elorage 0.58 0.�1 outside and relurn air dampers to D�ovide 700 percent of Me desipn supply <br /> 50 to 70 gal storage _ 0.57 0.77 air as outsi0e air to reduce or eliminale�he need for mechanical coolinp. <br /> >70 gal slorage 0.55 0.70 ��»•Z Control: Air economizers shall be wntrolled by a control system <br /> 1l71.!Packaged Elaclrk Heating and Cooling Equlpmant:Packape0 �Pable of delertnining il outside air can meet part or all ot the buildir.p's <br /> electric equipment providing�oth lieating antl cooling with a tolal cooling C00ling ioads. <br /> wpacity greater than 20,000 81Wh shall be a hea�pump. ����•3lntapntaU Opanlion:Buildinp Heating EnarpY:Air economizers <br /> Eacaptlon:Unstafted equipment shaelters or ca6inets usetl shall be capable of providing partial cooling even when additional <br /> solely tor personal wireless service facilities. mechanical coolinp is required to meel ihe remainder ol Ihe coolinp load. <br /> 1l12 Controls Controls shall not preUudo Ihe economizer operation when mechanical <br /> c�oling is requiretl simullaneously. <br /> 1112.1 Tampara[ure Controls:Each,yslem shall be provitled wilh al Exeeption: Economizers on intlividual,di:ect expansion,cooling <br /> least one temperalure control device.Each zone shall be controlled by systems with capacities not greater Ihan 75,000 Btulh may <br /> individual thertnostatic controls respondin0�o�empe2ture within ihe zone. inclutle contmis�hat limit simuHaneous ope2tion ol the <br />. At a minimum,each floor ot a building shall be consideretl as a separate economizer antl mechaniwl cooling for�he purpose o(preventing <br /> zone. ice formation on cooling wils. <br /> 1�t2.2 Deadband Controls:When usetl lo control bolh wmlorl heating 1111 Duetl�p Syetams <br /> and cooling,zone�hermostatic wnlrols shall be capable of a dead6and ol �414.1 Seallnp:Duct work which is designetl lo operate at pressures <br /> at leas�5 degrees F wiUin which the supply o1 heating and cooling energy above 12 inch water column stalic Dressure shall be sealed in accordance <br /> lo Ihe zone is shul o%or reduced lo a minimum. with Standard RS-18. Ezlent of sealing required is as follows: <br /> Exceptions: 1. Static pressure: 1/2 inch to 2 inches;seal lransverse loinis. <br /> 1. Special occupancy,special usage,or code requirements 2. Stalic pressure: 2 inches to 3 inches;seal all l2nsverse joints <br /> where deadband controls ere not appropnate, and bngitudinal seams. <br /> 2. Buildings complying with Section 1741.4,ii in Ihe proposed 3. S�atic pressure: above 3 inches;seal all Iransverse joiNs. <br /> building energy analysis,healing and cooling thermostal longitudinal seams and duct wall penetrations. <br /> selpoints are set�o the same temperature between 70 Duct lape antl other pressure sensitive tape shall not be used as the <br /> deflrr.es F and 75 degrees F inclusive,and assumed to be primary seaWnt where ducts are desipned to operate at stalic pressures of <br /> conslanl throughout Me year. 7 inch W.C.or greater. <br /> 3. Thermostals Ihat require manual changeover 6eAveen ����,2lneulation:�ucls and plenums Ihat are constructed and function <br /> healing and cooling motles. as patl of the building envelope,by separating interior space from eztenor <br /> 1112.9 Humldity Controls:II a system is equipped with a means(or sUace,shall meet all applicable requiremenls ol Chapter 13.These <br /> adding moisWre,a humidistat shall be provided. requirements include insulation installation,moisWre conirol,air leakage, <br /> 7412./Setback and Shu40H:HVAC systems shall De equippetl wi�h and 6uilding envelope insulation levels.Unhented equipmerd rooms vnth <br /> au�omatic wntrols capable ol accomplishing a ietluction of energy use combustion air louvers must be isolated from;he conCitioned space by <br /> Ihmugh contmi seNack or eyuipment shutdown duriny perioJs ol non�use insulating intedor suAaces to a minimum of R-11 and any eAerior <br /> or altemate use of the spaces served by ihe system.The aulomatic envelope suAaces per Chapter 13.Outside air ducls servinq indivitlual <br /> controls shall have a minimum seven4ay clock and be capable ol being supply air units with less than 2,800 cfm of tolal supply air capaciry shall be <br /> set for seven diflerent day rypes per week. insulated lo a minimum ol R-7 and are not consiCered building envebpe. <br /> Exceptlons: Other ouLside air duct runs are considered building envelope untll Ihey, <br /> 1. Systems serving areas which require cominuous operalion at 1. connect to Ihe heating or cooling e�uipment.or <br /> Ihe same temperaNre selpoint. 2. are isolated hom the ex�enor with an automatic shul-oH damper <br /> 2. Equipment with full load demands o12 kW(�,826 Btum)or complying with Section 1472.4.1. <br /> less may be wntrolled by readily accessihle manual oN-hour Once outsitle air ducts meel ihe above lisletl requiremen4s,any runs <br /> controls. within conditioned space shall comply wi�h Table 74•5 requirements. <br /> 1N2.t.1 Dampen:Outside air intakes,exhaust outlets and relief outlets Olher tlucls and plenums shall be�hermally insulaletl per Table 14-5. <br /> serving conditioned spaces shall be equippad wilh dampers which close Exceptlons: <br /> aulomatiwlly when Ihe system is oN or upo, vower faiWre. �. Within��e HVAC equipment. <br /> Exceptions: 2, [zhausl air ducls not subject to condensalion. <br /> 1. Syslems serving areas which require continuous operation. �. Ezposed ducMrork wilhin a zone lhal serves ihat zone. <br /> 2. Combustion au inlakes. 7l16 Pipinp Systams <br /> 1/12./.2 Optimum SWn Controls:Healing and cooling systems wi�h ���5.1 Ineulation:Piping shall�e Ihermally insulated in accordance with <br /> design supply air capacities exceeding 10.000 cim shall have oplimum Table 14�6. <br />' staA controls.Optimum statl controls shall be designed to automat¢ally ExcepNon:Pipinq inslalled within unitary HVAC eQuipment. <br /> adjust the statl time ol an HVAC system each day�o bring Ihe space to <br /> desired occupied temperalure levels imrnetlialely belore uneduled Waler pipes outside the condilioned spaco shall be insulated in <br /> ocwpancy.The coNrol algorilhm shall,as a minimum,6e a function of Ihe ���dance wilh Washington Slate Plumbing Code(WAC 51-26) <br /> diflerence between space IemperaNre and occupied se�point and the 1N6 Complatlon Requiremanta(Reler to NRL-C Secfion 1416 antl fhe <br /> amounl ol time pnor to scheduled occupancy. Buddmg Commissioning Guidelmes,publisAed by fhe BuiWing <br /> Commiss�omng Association,lor cromplefe text and guidelines lor buildmg <br /> compietion and commissioning requiremenfs.) <br /> g�g <br />