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_ I'I <br /> SECTION IV SYSTEM DESIGN ', <br /> UL EX3470 ULC EX3470 Page 4-13 'I <br /> 7-1-09 REV.8 ' <br /> ►Range Protection ' <br /> The R-102 system uses five different noules for the protection of • '� <br /> ranges.Two of the design options require a one-flow nozzle and <br /> three of the design options require two-flow nozzles. <br /> NOTICE <br /> A 13 in.(33 cm)diameter wok pan is the largest <br /> wok size that can be protected on ranges. <br /> When protecting hot top ranges, the entire <br /> cooking surface must be protected. <br /> iRange Protectton 1N (1-Flow) Noule — High Proximtty II <br /> Application <br /> ►No Obstructlons ; <br /> Single and multiple burner ranges can be protected using a 1 N ' <br /> ►nozzle, Part No.419335.The nozzle tip is stamped with 1 N,indi- !, <br /> cating that this is a one-flow nozzle and must be counted as one <br /> flow number. � <br /> When using this nozzle for range protection,the maximum length <br /> of the burner grates being protected with a single nozzle must not <br /> exceed 32 in.(81 cm)and the maximum area of the burner grates <br /> ►must not exceed 384 in.2(2477 cm2)per nozzle. <br /> When protecting a range, the 1 N no2zle must be located a maxi- <br /> mum of 10 in. (25.4 cm) from each burner grate centerlfne and <br /> must be aimed at the center of the cooking surface.See Figures <br /> '27 and 28. <br /> � � _� <br /> � / <br /> I � <br /> 40 IN. �— —1— � <br /> (102 cm) � ` � � <br /> 30 IN.) \, � // <br /> (76 cm <br /> � ooes3a <br /> � FIGURE 27 <br /> 10 IN. <br /> (25 cm) <br /> MAXIMUM � <br /> / <br /> / <br /> 32 IN. <br /> �N (81 cm) <br /> NOZZLE--� MAXIMUM I <br /> AIMINO <br /> POINT <br /> 10 IN. <br /> (25 cm) � <br /> MAXIMUM <br /> I <br /> ooes�o ! <br /> ► � <br /> FIGURE 28 <br />