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\ _1 <br /> f � • <br /> i • <br /> ' Chapter 3—Syslem Design <br /> Page 3-� <br /> R�V.3 _ <br />� CH�APTER l[I " <br /> SYSTEM DESIGN <br /> Thls cliapler wlli d�lall Ihe beslc'Informelion necesssry for The nozzla(d)must be Inaleifed on Ihe centerNne of lhe ciuc(, <br /> proper design of Ilie PYR�-G�EM K�1'CHEN!<NioH'r tl wl{h Ihe flp Ioceled 0 lo e in. (1b.2 cm)into ihe opsning, and <br /> f�esleUranl Flre�SUppresslon Sys(em.Howevef,before �imed dlrectly Into lhe ducl openfng_8ea i'lgttre 3-9a. <br /> aitempling any Inslellellon,11 le neceasary lo atlend�e <br /> Faclory Cer[llicsllon Trelning Cless end become Certltled to ►In{nalalle0ons where a UL Iieleii damper assembly Is <br /> design lhe pYFtO-Ch{EM 1<ITCHEN ICNIOHT II Realauranl empioyed,lhe ducl nouls can be Installed beyvnd lhe 8 fn. <br /> Flre Supprsesion 5ystern.The cliapler fe dlvlded fnlo Ihree ase mbiy halrwlll rtot In erfera Jwilhthe demtper�Ex eeding - <br /> (3)aecllons: (he maxlmum of B In.('16-2 cmj In lhls way will not vold lhe <br /> • Nozzis Coverage end Placemenl ,.Ullleling of lhe eyatem. ' <br /> . piping Ltmilalions <br /> • Oalaclor Ftequlremenls <br /> Eech o(Ihese secllons musl be completed before altempling <br /> any lnslailellon. <br /> N071LE COV�RAG�AND �, . <br /> PLACEM�NT °-$�". <br /> INTO OUCT <br /> Thls secUon wlll provlde guldelines(oc dalermining nozzie F ��p0.10 � _ <br /> 1ypa, posllioning, end quentlly for ducl,.plenum,end eppll- Nou�e <br /> ance prolecllon. ' I <br /> �Duct Protecfion <br /> '� II Is not required lhal lhe fen be aliut down ar Ihe exhauel _ ` _trzw <br /> — — — � w <br /> ducl be dempared for lhe ayafem lo opers{e prvperly. � <br />' .AI►ducl prolectinn fs UL ll6ted wElhout limilallon of ineximum ppe�nvo <br /> ducl Isnglli (unllmfled lenglh).Thls 1ncludes ell varleltea of <br /> ductworke-botli horizontel and vertical Including ducls Iltial i+---srz�—• <br /> run al engles lo llie horizontel and ducte wllh dlreollonel <br /> L --> <br /> r�78nC�8. <br /> bucl prolec[ton requires•[het a nozzte be poslUoned!o� Ffgure 3=1a. <br /> r discherye fnto U�e ducl.7wo•nozzlas are avalfable for duct <br />, prolecllon. <br /> Tl,e Model!l Nozz(s,Pgrt.No.Gbi02B,fs a one(1)tlow <br /> nozzle.A singie IL nozzle fs cepable ot prolecling equare or <br /> 'reclangular ducls wfil�e mextmum perimeter of GO!n. <br /> (!27 cm), wflli the dlagonsf being e maxfmum of 1B 3/4 fn. <br /> (d7.0 cm). !t can elso ptoleci a rour+d ducl wflh e meximum <br /> dlameler of 78 fn. {40.8 cm). . <br /> r 71ie Model 2D ducl nozzle, Perl lJb.6bi038,Is g lwo(2) • <br /> ifow nozzJe.A single 2D noufe Is oepeble of prolecling <br /> square or recl�ngular clucls wllh e meximum perlmeler of _ <br /> �i00 fn. (2v4•cm},wII1i Ihe dfsgonal being e mexfmum of <br /> r 37 3/a!n. (84.9 cm). Il can also prolect a round dUCI wllh a ' � <br /> makfmum dl�meler of 31 7/8 fn. (81 cm). <br /> Wlien Iwo (2)•20 ducl noz2les are uaed Io prolect s eingle <br /> ducl, Iha cross sectlonef arse of the dua(muet be dlvided � <br /> inlo iwo equel symmatrlcel ereas.The noule musl Ihen be <br /> inslelled on Ihe cen(erltne oE Ihe area Il prvlecls end•elmed <br /> dlreclly Tnlo fhe ducl opening. <br /> ULEX 3830 - <br /> PNGG1274(3) Aug�st 1,2005 <br /> - <br />