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<br /> 2S 2 6 2111 I 2! 3 o 31 l 1 nl3 4 l5l 6 11 3 Il94 0414 2 4l 4 4454 o 4114 I 0150 5\5 ll!l5 4 55 16 511 I 59 6 o 0\ 62 0316 4 6l 0 I 61 0 I 0911 o 11 12 <br />~ I r <br /> 5 <br />~ r <br /> 1 <br />c.t- r <br /> 9 <br />~ 1 r j= <br /> 11 <br />~ r <br /> 13 <br />~ r U <br /> IS <br />~ r 2 r <br /> 11 <br />~ r .-I <br /> 19 <br />~ r --1 <br />11 <br />E.. r r <br />13 <br />l!. r -1 <br />IS <br />~ - 3 <br />zr <br />~ r - <br />29 r <br />~ - =:1. <br />31 <br />E. 4 <br />33 I I r <br />~ <br />JS I 5 <br />3; 6 <br /> 6 I 6 1 <br /> <br />Chapler 3 - System Design <br />pege 3-2 <br />REV. 2 <br /> <br />. Modularlzlng Ducts <br /> <br />DUCT SIZES GREATER THAN 100 IN. (254 cm) PERIMETER <br /> <br />. Duds over 100 In. perlme(er must be modularized using <br />2D nozzles (Part No. 551038) <br /> <br />ND round ducl option available <br /> <br />Follow the design chart 10 determine maximum mDdule <br />size for each 2D nozzle <br />When delermlnlng number of nozzles required, Ills SDme- <br />limes an advantage to check the chert using the shortest <br />side as Side "A" and then recheck II usIng the longesl side <br />as Side "N. This comparison may reveal a need for a <br />lesser quantllY of nozzles one way versus Ihe .other way. <br /> <br />When working wllh Chart 1, the quantlly Df nozzles.deter- <br />mined must be equally divided wllhln the ducl.aree. <br /> <br />CHART NO.1 <br />B <br /> <br />A I 0 0 (I I <br /> <br />SIDE <br />"A" <br /> <br />CHART NO.2 <br />B <br /> <br />A ~; --: -- H <br /> <br />.. WhBn working wllh Chart 2, one hair of the quanlily Df nozzles <br />determined must be equally posllloned In the top hall of the <br />area of the duct and the remaining half of Ihe nozzles must be <br />poslllDned In the botlom half of the duct area. <br /> <br />Exomple: The duct to be protected has a Side "A" or 40 In. <br />and a Side "8" of 60 In. Referring 10 the design chart, this <br />ducl requires 4 nozzles. One half of 4 .. 2. ThererDra, 2 <br />nOlzles must be equally posllloned In each of the two duel <br />araas. See FIgure 3-1 b. <br /> <br />9101! "9" <br />30 IN. (79 om) 30 IN. (76 em) <br /> <br />1 <br /> <br />20 IN. <br />(61 em) <br /> <br />I <br />I <br /> <br />----------- <br /> <br />e <br /> <br />. <br /> <br />SIOI! <br />"A" <br /> <br />~o IN. <br />(102 em) <br /> <br /> <br />J <br />.1 <br /> <br />20 IN. <br />(61 om) <br /> <br />G <br /> <br />. <br /> <br />I. <br /> <br />.. <br /> <br />00 IN. <br />(f62 em) <br />Figure 3-1 b. <br /> <br />001.... <br /> <br />SIDE "9" <br /> <br />NOTE: NOZZLE QUANTITIES LISTED IN CHART 2 MUST BE EaUALLY DIVIDED INTO EACH OF H <br /> <br />f4 T E TWO DUCT MODULES. <br />37 ..J <br />.lL ~ <br />39 <br />JQ. 2 r <br />41 4 W <br />~ <br />4J ...J <br />~ r - 6 <br />43 r <br />.1L ..J .J <br />" r <br />~I <br /> <br />ULEX 3830 <br />April 1. 2004 <br /> <br />PN551274(2) <br /> <br />OOlOU <br />