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l <br /> SECTION IV — SYSTEM DESIGN <br /> UL EX3470 ULC EX3470 Page 4-25 <br /> 7-1-09 REV.7 <br /> Lava Rock(Ceramic)Char-Broiler Protection <br /> The R-102 system uses the 1 N Nozzle (Part No.419335) for all Natural Charcoal Broller Protection <br /> lava rock char-broiler protection.The nozzle tip is stamped with <br /> 1 N,indicating that this is a one-flow nozzle and must be counted The R-102 system uses the 1 N Nozzle (Part No.419335) for all <br /> as one flow number. natural charcoal broiler protection.The nozzle tip is stamped with <br /> 1 N indicating that this is a one-flow nozzle and must be counted <br /> One 1 N nozzle will protect a hazard which has a maximum length as one flow number. <br /> of 24 in.(61 cm)and a totai cooking area which does not exceed <br /> ►312 in.2(2013 cm2).The nozzle tip must be located 7 8 to 35 in.(46 One 1 N nozzle will protect a hazard area which has a maximum <br /> to 89 cm) above the hazard surface.When using this nozzle for length of 24 in.(61 cm) and a total cooking area which does not <br /> lava rock (ceramic) char-broiler protection, the nozzle must be 'exceed 288 in.2(1858 cm2).The nozzle tip must be located 18 to <br /> positioned anywhere along or within the perimeter of the maximum 40 in.(46 to 102 cm) above the hazard surface.When using this <br /> ►cooking area and angled to the center.See Figure 60. noule tor natural charcoal broiler protection,the nozzle must be <br /> positioned anywhere along or within the perimeter of the maximum <br /> cooking area and aimed at the center of the cooking surface.See <br /> COOKINO ► Fi ure 61. <br /> AREA ��COOKINO � g <br /> Ir AREA The coverage of such appliances only applies when the depth of <br /> ��-r. ��I the charcoal does not exceed 4 in.(10 cm). <br /> � � ��� <br /> � <br /> .�\ � �\ <br /> � i�. i�� AREAING ��COOKINO <br /> 1 1 `�� I I� AREA <br /> i I ,���i\�•�� <br /> � � � � � � � ` ` ' <br /> I I � � I ��� � � <br /> i � ; i ; � Y"�� i <br /> i i � i ► � <br /> ' i � � � <br /> I � ' I i <br /> i ' i � <br /> � , <br /> � <br /> �� <br /> f �� <br /> t �, <br /> � ` i <br /> � � ' 351N. <br /> � I (99 cm) <br /> I i i MAXIMUM <br /> � I <br /> � � � ` �� <br /> I , <br /> I � � � 401N. <br /> � I � (102 cm) <br /> � � � I iBIN. � MAXIMUM <br /> � � t / i NIMUM I � / I <br /> � � <br /> � � I I / I <br /> ��� MAXIMUM � I � � I 18IN. <br /> DEPTH � � i / � � (48 cm) <br /> I ) MINIMUM <br /> � � <br /> � � <br /> I <br /> 000259 <br /> ► <br /> FIGURE 60 <br /> � FIGURE 61 <br />