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� • SECTION lV — 3YSTEMS DESIGN <br /> UL EX. 347D ULC CEx747 Page 4-3 <br /> 10-1-OZ REV, a <br /> � �OuctProtectlon--Multlplo Noule (Contlnued) 'When working wllh Chari 2, one half ot lhe quenUly of nozzles <br /> uU(: I SIGtS c3REATER THAN 135 IN, (343 cm) p�RIMETER of Ihe duc( nd t lhe remei I p half o flhe t noules must be posl- <br /> - tioned In Ihe botlom haft of the duct erea. <br /> � Ducts aver i35 In. perlmeter muat be modUlerized ueing 2W �emple: The ducl to 6a prolecled hes e Side 'A" of 40 (n. and a <br /> nozzles (Part No. 419337) 61de •B' of 80 In. Referrtny lu Il�n Jnelyri �frart, Ihle JuL( �nyulias <br /> ( • Nti round duct op0on avallable 4 nozzfes. One half of 4 n 2. Therefora, 2 nozzles must be equal- <br /> � Follaw the design chart lo dQlermine mexlmum module elza !or ly posllloned In each at lhe two duct areas. See Flgure 3. <br /> � each 2W nozzle eioe-e^ <br /> 70 IN. (76 w�m oo w. (te �...,�� <br /> � When delermtning num6ar af nozzlea raqulred, It Io eomeUmea — <br /> an edvanlege to check lhe chert ueing lhe ehoriett elde.as 31de � <br /> "A" and than recheck il using the fongeat side ea 5lde "A". Thle ��. s I • <br /> comparison may reveal a need for a leaser quAnllly of nozzlee � 01j1M1 � � <br /> one way vdrsus Ihe oll�er way. �me �o tr+. <br /> ' _ _ .-.. ., _ _ � �. .... � (102 mm) ' <br /> When working wlth Chari 1, 1he quanlfty of noziles determined ! <br /> . must be equally dlvldad wifhln Ihe duct area, �a �"• o � m <br /> {61 mm) <br /> � EO �N. � <br /> (1'J2 mm) <br /> CHAR7 NO. 9 <br /> � FIGURE 3 <br /> e <br /> oaen <br /> A • O Y <br /> aloe ^a^ <br /> 13 t( I7 ti 21 �0 11 1! ]) 1/ I! 70 )1 �1 71 10 /1 /1 /) 11 S 11 ! 11 11 !V Il il ! 1{ 11 f{ {J N iV W 11 i2 U N if ti il 6� �f 7D 71 I7 <br /> b <br /> 6 <br /> ! ' <br /> 1 <br /> 9 <br /> ' 10 � . <br /> ll <br /> It <br /> 17 <br /> I/ <br /> IS <br /> 1b <br /> 1/ 2 <br /> ie <br /> StDE �� <br /> "a" :o <br /> �t <br /> �� <br /> t� <br /> �� <br /> :s - <br /> �e <br /> �� 3 <br /> �a <br /> T9 <br /> 70 <br /> )1 <br /> 7I <br /> " 4 <br /> �. <br /> » <br /> �: 5 . <br /> a <br /> CHART NO. 2 <br /> 0 <br /> A • . . <br /> . � . - <br /> NOiE; NOZZLB qUANTITI@9 USTED W CFIART � MU9T BB EpUALLY DIVqFD �f70 EACH OF THfi ?WO DUCT MOOUCEB. <br /> M <br /> � 71 <br /> �i <br /> � 2 . 4 <br /> �� <br /> " 6,� <br /> , <br /> �� <br /> �T <br /> � 1 <br /> . aae�n <br />