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�, , � , <br /> Chapler 3–Syslam Deslgn <br />' P89�3-2 <br /> REV.2 <br /> r Modufarizing Ducls 'When working wilh Chart 2,one half of lhe quanllly of nozzles - <br /> delermined musl be equslly poeflloned In lhe lop ha(f of the <br /> ouc7 sizES Ga6ATER THAN 100 iN.(264 cm)PERIMETER erea o{lhe ducl and ihe remalning�halt o(lhe nozztes muat be <br /> poslifoned In She boklom hal{of lhe ducl area. <br /> � Ducts over 100 ln.perimeler must be motlulurized using ��xamnie:The duct lo be prolecled has a S1de"A"of 40.{n. <br /> 2D nozzles {Per�No.651038) sn8 a Slde"B"ot 60 ln.fteferring lo lhe deslgn chart, Ihis <br /> • 1�o round duct opUon evallebfe duct requlres 4 nozzles.One Itia1(oF 4 =2.Thersfore, 2 <br /> • Folfow lhe dssign charl to delermine maxfmum module nozzles mual be equaify posltlone.d In each of Ihe two ducl <br /> siza for each 2D nozzle ereas.�S.ee Figure 3-tb. <br /> eine-s� <br /> • When detarmining number oF nozzlae requlred�I�IS SOiT18- . p01N.(10cm) 30IN.(78 em) <br /> tlmss an advantage 10 check lhe cherl ueing ihe shoriesl � <br /> side as Slde "A"end (hen recheck Il ueing Ihu lon8esl sida 2tl i�� <br /> as 5fde "A".Tlils comparlson mey reveei a need 1or a �61�,,,� o I e <br /> lesser quanllly ot nvzzles one wey versua Ihe olher way. 810E y`W_ _ _ _ ^ _ no ir+, <br /> — (f02cmj <br /> When working wfll� Chart i, ihe quanllly of nozzles•dsler- `�" � <br /> mined musl be equally divfded wllhln lhe ducl erea. Za�k, � � � <br /> (st cm� <br /> CHAR7 NO.7 eo tN. ' ! <br /> I ccez�+T <br /> s � <br /> A � � o Figura 3-1b. <br /> 6I0$"9' ooe57) <br /> 2S 76 I7 7E 1G 70 71 2 37 7l li 78 1 71 7!4 11 1l I7 1 IS 40 If tl 4 5C il St 1! OS EB ! S 60 O1 62 03 61 65 OB 6 CE 64 70 il It <br /> / <br /> 5 <br /> 6 � <br /> ! <br /> 6 <br /> 4 <br /> 17 '� — <br /> 11 — <br /> Ii — <br /> 17 I <br /> N <br /> IS I <br /> • i6 2 � <br /> �► <br /> ie � <br /> sr�oe io — I <br /> :u <br /> 2r <br /> :r ' <br />' » <br /> s� i <br />� :y - I <br /> �c � i� <br />' :r � <br /> 7e — — <br />' 29 <br /> JO <br /> �I <br /> " 4 <br /> » <br /> » 5 <br /> �s 0 <br /> Sd 8 <br /> Ci�IAFtT NO.2 <br /> 9 <br /> A r • I <br /> � '�'_' i <br /> NOTE:HoZZCE RUANflTIEB U91E�Mt GiAttT T MV9T BB 60UAlLY dMUHO fNTO E4CR Or 7NE TYYO bUCT MObULES. <br />� �6 I <br /> J� <br /> )0 -- I <br /> �➢ I <br /> �i z � ' ' �I <br /> �. . <br /> u � <br /> u <br /> .�s <br /> 6 <br /> . �r I <br /> S8 ooesu <br /> ULEX 3830 <br /> Apr11 1,200d PN55127Q(Z) <br />