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SECTION IV — SYSTEM DESIGN <br /> UL EX3470 ULC EX3470 F'age 4-2fi <br /> REV.6 7-1-09 <br /> Alternate CeramirlNatural Charcoal Char-broller Protect{on Wood Fueled Char-Broiler Proteotion <br /> 7he R-102 system may also use ihe 3N nozzle(Part No.419338) The R-102 system uses the 3N Nozzle (Part No. 419338) tor <br /> for all ceramic(fava rock)and naturai charcoal char-broller protec- mesquite char-brolter protection.The noule tip is stamp�d w(th 3N <br /> tion.The nozzle tip is siamped wiih 3N, indicatEng that this is a IndicaUng that this Is a three-flow nozzle and must be counted as <br /> three-ilow nozzle and must be oounted as three flow numbers. three tlow numbers. <br /> �i One 3t�nouie will protect a hazard rvhich has a maximum length One 3N nozzie will protect a hazard which has a maximum Iength <br /> /�� of 30 in.(76 cm}and a total cooking area which does not exceed of 30 fn.(76 cm}and a tatal cooking area which does not exceed <br /> ►720 in? (4645 cm2). The nozzle iip must be located 14 to ►720 in.z (4645 cm2). l'he nozzle tip must be located i4 to <br /> 40 in.(36 to 102 cm)above the hazard surface.7he noule must 40 In.(36 to 102 cm)above the hazard surface.The riozzie must <br /> be positioned anywhere along or within the perimeter of ihe max- be posiiloned anywhere along or wkhin the perimeter of tha max- <br /> >imum cooking area and angled to the center.See Figure 62. imum cooking area and afined at the center of the cooking suRace. <br /> For natural charcoal ciiar-boiter grotection, this coverage only 'See Flgure 63. <br /> applies when the depih of the charcoal does not exceed 4 in, Mesquite logs and pieces,nq larger than a in.(1 Q em)in diameter, <br /> (1�cm). may ba proiected wtth a maximum allawable wood depth of 6 in. <br /> COOKING � {15 cm). <br /> AREA COOKING <br /> AREA COOKIN� <br /> ��i� �� qpEq ��COOKINa <br /> �� � �\ Ari�n <br /> I �� � i� <br /> � ��� f -�� �'' � `�� <br /> � ,�--' i i���� i �'� <br /> i � i t � i �' i <br /> � Y f <br /> , � , <br /> i � I j + � � i <br /> � I � I <br /> � � � i � I i <br /> I � i <br /> I <br /> � <br /> �� <br /> �) <br /> � <br /> t � / I ao iN. � �i <br /> � I (MA)C U�M 4 1 � ( 401N. <br /> I ,pI, I � I{ / I MAXIMUM <br /> � `�7' i I � <br /> � I ` � � <br /> MAXI`MUM � ( �` t � i 141N. ' � <br /> � � / (38 cm) B IN. � � <br /> �Pm I 5 ) MIN1MllM MAXIMUM� ' �` � / 14 IN. <br /> � � DEP7H � 1 � � J M N MUM <br /> � t � � <br /> 000aso � ! <br /> abossa <br /> � FIGURE 62 <br /> . <br /> FIGURE 63 <br />