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Security Fire Equipment$525677340 p.08 <br /> R-102 Restaurant Fire Suppression Manuel SECTiON 4—SYSTEM DESIGN <br /> UL EX3470 ULC SX3470 <br /> 2014-SEP-01 REV. 11 PAGE 4-5 <br /> Plenum Protection Option 2:The 1 W nozzle must be placed perpendicular,8-12 In. <br /> The R-102 system uses the 1 W nozzle or the 1 N nozzle for (203-$04 mm)from the face of the filter and angled to <br /> plenum protection, The 1 W nozzle is stamped with 1 W and the center of the filter. The nozzle tip must be riithin <br /> the 1 IN nozzle is stamped with 1 N, Indicating they are one flow 2 in,(50 mm)from the perpendicular centerline of the <br /> nozzles and must be counted as one flow number each,When filter. See Figure 4-8. <br /> protecting a plenum chamber, the entire chamber most be 17 IN.(s!Y mm', <br /> protected regardless of filter length. �a�XIMIJtr <br /> VERTICAL PROTECTION,—GENERAL <br /> -t W NOZZLE—SiNGLE AND"V'SANK PROTECTION a IN,(soa mt.I <br /> U\IrtUi,1 <br /> One I W nozzle will protect 4 linear feet(1.2 m)of plenum.The <br /> maximum distance from the and of the hood to the first anti Iasi NQZZLETIP r arti <br /> nozzle must be no more than 2 ft(0.6 m),After the first nozzle, MUST BE a°:li'HIN <br /> any additional nozzles must be positioned at a maximum of 4 ft TMI8 APEA <br /> (1.2 m)apart down the entire length of the plenum.The plenum <br /> width must not exceed 4 ft(1.2 m).(The 1 W nozzle can be used <br /> on single or v bank filter arrangements.)$ee Figure 4-6. FIGURE 4.8 <br /> r,;a:0 <br /> 2 Fr;n.s,r�) <br /> A Fr <br /> i:3AxI�'u„ HORIZONTAL PROTECTION—OPTION 1 <br /> (1,R^) <br /> ,iax.laurn 1N NOZZLE SINGLE BANK PROTECTION <br /> niar.IMM MAXIMUM *One 1 N nozzle will protect 10 linear feet 3.0 m of single filter bank <br /> eAXIN J r) � ) 9 <br /> n�Iat ,, plenum.The nozzle(s) must be mounted in the plenum,2 to 4 in. <br /> (50 to 102 mm)from the face of the filter,centered between the <br /> filter height dimension, and aimed down the length.The nozzle <br /> must be positioned 0.6 in.(0.152 mm)from the end of the hood to . <br /> the tip of the nozzle.Sea Figure 4.9. <br /> -„w•-'�+ � a-Ain. ivT(SOm` <br /> E <br /> FIGURE 4-$ x <br /> When protecting planums with the 1 W nozzle, two options of <br /> overage ere avallable: <br /> Option 1:The 1 W nozzle must be on the Center line of the <br /> single or"V'bank filter and positioned within 1.20 in. <br /> (26.508 mm) above the top edge of the filter, See EO'" <br /> Figure 4.7. <br /> FIOURF.4-9 <br /> ' 20IN.(508tam) <br /> >u�,kr.4ut� <br /> ff <br /> i sdlNltdVVI <br /> i <br /> 20 iN.(508 mill <br /> u.�xirsuv. <br /> 1 I11,(26 atilt) <br /> MN.t1tt,`ti ' <br /> FIGURE 4-7 <br /> VOIN <br />