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SECTION IV — SYSTEM DESIGN <br /> UL EX3470 ULC EX3470 Page 4-21 <br /> 7-1-09 REV.4 <br /> ►Grfddle Protection 1 W(1-Flow)Noale—Low Proximity <br /> Applicatlon <br /> 15 in.to 20 in.(38.1 cm to 50.8 cm)above the cooking surface. <br /> The low proximity 1-flow nozzle application for the protection of <br /> griddles requires the 1 W nozzle, Part No.419336. <br /> The nozzle tip is stamped with 1 W indicating that this is a one-flow <br /> noule and must be counted as one tlow number. <br /> When using the 1 W nozzle for low proximity griddle protection with <br /> our without obstruction, the maximum length of the cooking sur- � <br /> face to be protected must not exceed 26 in.(66.0 cm).The noule <br /> must be centered at one end of the maximum 26 in. (66.0 cm) <br /> length, aimed along a centerline to a point 20 in.{50.8 cm) from <br /> the end of the length, protecting a maximum width of 20.5 in. <br /> (52.1 cm). <br /> The 1 W nozzle tip must be positioned at or below the obstruction, <br /> if present.The protected area begins at the point strafght down <br /> from the nozzle tip.The nozzle can be positioned above the edge <br /> of the hazard area to be protected.See Figures 51 and 52. <br /> Note:If the hazard area exceeds the single nozzle coverage list- <br /> ed above, additional nozzles will be required.The additional noz- <br /> zie can be positioned in front at high proximity or at the side at low <br /> proximity. <br /> �\ <br /> .� <br /> �,,, i <br /> �.� i <br /> � � \ I <br /> � \ i <br /> 15-201N. � \ � AIM <br /> (�-51 cm) � \ � POINT <br /> •� I <br /> �._(20 I�N.�)��I t <br /> � � 0 � <br /> arrn� <br /> FIGURE 51 <br /> PROTECTED AREA <br /> 9 IN. <br /> ---- (23 cm) <br /> 20.5 IN. <br /> (52«n) <br /> ro�ex <br /> 20 IN. <br /> (51 an)-- <br /> 28 IN. <br /> (68 cm) <br /> ► FIGURE 52 <br />