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Security Fire Equipment 3525677340 p.13 <br /> R-102,Resraurant Fire Suppresslon Manual SECTION 4—SYSTEM DESIGN <br /> UL EX3470 ULO EX3470 <br /> 2014-SI;P-01 REV.11 PAGE 4.17 <br /> Range Protection(With or Without Back ShelVObstructlon) Range Protection 260(2-Flow)Nozzle(With or Without <br /> When ibis type of hazard is equipped with a back shelf or outer Back Shelf/Obstruction) <br /> similarly sized obstruction located above the range top, two Single and multiple burner ranges can be protected using a 200 <br /> protection options are avallablo; One requires a 1F noxzla and ►nozzle. The nozzle is stamped with 260 indicating that it is a <br /> the other option requires a 260 nozzle, two-flow nozzle and must be counted as two flow numbers. <br /> When using the 260 nozzle for range protection with or w`lthout <br /> Range Protection iF(1•FloVa) Nozzle(With or Without Back <br /> back shelf or other similarly sized obstruction, the maximum <br /> Shelf/Obstruction) length of burner grates being protected must not exceed 32 in. <br /> Singie and multiple burner ranges can be protected using a (812 mm) and the maximum area of the burner grates must <br /> 1'F nozzle.The nozzle is stamped with 1F Indicating that It Is a not exceed 384 in? (24774 mm2). Nozzle must be located on <br /> one-flow nozzle and must be counted as one flow number. the front edge of the burner grates and aimed at a point 10 In. <br /> When using the 1 F nozzle for range protection with or without back (254 mm)from the back edge of the burner grates. Nozzle must <br /> shelf or over simllady sized obstruction, the maximum length of t)e fnouMed 30 to 40 In, (762 to 1016 mm) above the hazard <br /> the burner grates being protected must not exceed 28 in. (711 surface.See Figure 4.38. <br /> mrn)and the maximum area of the burner grates must not exceed <br /> $$a in.z(21677 mmz).See Figure 4 37 for nozzle location doWls. Z60 NOZZLE <br /> 9NeLF OR C i rIER SI(rtILARL Y 81=8 <br /> QeBTRUG"ION OAN OVERIJANG BVRVISq(8) <br /> 1F NOZZLE SHELF CA OTMER SI,v,ILARLY SIZED EY A MAXIM J'-M OF 11 IN.(Z74 nn) <br /> 09STR=10N CAN OVERKANG EUANER(sl � <br /> 9YA MAXIV M OF tt IN (2i9 Mr-) i <br /> 90.40 IN. s'.I(11I:U6t <br /> At)t. 21.0 CIN. p62.101E Mn) I <br /> 4. <br /> (tFQINr <br /> ote•i21;m_) <br /> I <br /> 1a I,N <br /> (25,mm) <br /> /^r FROM-IAOK <br /> 14 IN, OF BURNER <br /> 355 mn1 <br /> �r WrNIIVIWA QFATES <br /> 12 iN. 14 Ifv. <br /> (ass 1(m) FIGURE 438 <br /> ` � ) FRON•TORUAR rdAXIMUtt <br /> AXIMUM 0 NTERLINE <br /> 1F NOZUE 1.00ATE4 0VF9 FRONT 10GE 0%ISLIANER GRATE AND O.ttaNTED <br /> $0 N=LE TIP FLATS ARE PARAI XL WITH EWRNER GRATE FRONT TO REAR <br /> CENTERLINE AND$HALL 8E AIM EO AT T HE CENTER OF THE C008'IN3 SURFACE, <br /> FIGURE 4.37 <br />