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" � SECTION iV - SYSTE.M Dagel4 3 <br /> - U��3,�7� ULC EX3470 <br /> �-1-09 REV.5 <br /> Duct Arotectlon—MulUpte Noule(Cominued) When working with Chart a, °sltfoned In�he tap ha�f of he area <br /> determined must be.equally po <br /> ► DUCT SIZES QAEA7ER TNAN 109 IN.(254 cm)PERiMETEA ot the duct and th�remaining half of 1he noules must be pas�- <br /> tioned in the bottom half of 1he duct area. <br /> ►• Ducts over 100 in.(254 cm)perlmeter may be modutarized using ��,mp�e:'The duct to be proiected has a Side "A" ot 40 in. <br /> 2W nozzles{Aart No.41933'n ►(101.6 cm}and a Side°B"ot 80 in.(152.4 crn).Reterring to the <br /> • No round duct option avaflable design chart, thls duct requ{res 4 no sfeon d in each of he two <br /> Therefore,2 noules must be equatly po <br /> • Follow the design chart to determine max9mum modute size�Or d�areas.See Flgure 3. <br /> eaCn 2W nozz�e 81tlE`g� <br /> • When determining number of noules required,tt is sometimas � �o iN.��e�,1 301M.(78cm1 <br /> an advantage to check the chart using the shortest slde as Side �w � <br /> "q"and ihan recheck it using the tongest side as Side"A"•Th�S �o�N. � � � <br /> cornparison may reveal a need for a lesser quantity ot nozztes �5�cm) � ao iN. <br /> one way versus the other way- s�o� _,�__.._..—- -- — c�ox a„) <br /> Wrien working wilh Chart 1,1he quaniity of nozzles determined •� ` <br /> must be equaily divided within the duct area. p�N, � � � <br /> (51 cm) <br /> 80 IN. <br /> (t 52 cm} <br /> ► FiGURE 3 <br /> CHART NO.� """" <br /> a <br /> A • • � S�• <br /> 61D8`6"om <br /> � 2524212l297u3t929:1�43S307f7l7��41�qM�,1nu/C60 61 61 61 51 66ES6TW596061l2614i6SNlT6l�]DT1T2 in. <br /> 56 84 11 Ti 76 7i 6 64!B!i it OS it i4 ID1101 W7 IN 1 ti9 241 J6 U 110 T I S!16S f611l0 1�18A TD I iT61TA tE0 t67 0 <br /> , 13 <br /> S 15 <br /> B 18 <br /> t 26 <br /> 8 � <br /> B � <br /> ,o � � <br /> 15 � <br /> �Z SJ <br /> 13 �8 <br /> �{ �e <br /> 15 �� <br /> t8 . � 47 $19E <br /> I ti �e �A� <br /> SIOE tie <br /> �6 Cq1 <br /> -p» �' S5 <br /> In. ryp 55 <br /> 2f `� <br /> � � <br /> y� 81 <br /> Y4 � <br /> �] 66 <br /> j 48 J 69 <br /> I 21 71 <br /> I 4e T/ <br /> 29 16 <br /> I 3p TB <br /> �} A DY <br /> � 32 �'F 6C <br /> � �� G � <br /> I 34 J 8 69 <br /> � �6 5 8 7 81 <br /> ss <br /> I CNART N0.2 - <br /> � s <br /> f s_. • <br /> � A • • • NOTE:NOZZLE QUANTiTIEB LI87E0 IN CMART 2 NIUST 8E EQUALLY D{VIDED INTO EACFi OF THE TNfO 9UCT MODUlE8. <br /> B1 <br /> 3e 9� <br /> � 3T Ot <br /> I 39 99 <br /> 39 � 102 <br /> r� 194 <br /> �5 G �+ 107 <br /> 42 V to9 <br /> N fI1 <br /> � +� w <br /> 4t ili <br /> � r 46 1� <br /> 1 �� <br /> � <br />