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SECTION IV — SYSTEM DESIGN <br /> UL EX.3470 ULC CEx747 Page 4-13 <br /> -- 4-1-06 REV.6 <br /> ,�� Range Protec#ion 1-Fiow�fozzle When this type of hazard is equipp�i with a back shelf located <br /> The R-102 system uses five different noules for the protection of �ove the range top, twro protection options are available_ One <br /> ranges.Two of the design options require a ane-ffow nozzle and requires a 1 F nozzle, Part Na �f�9333, and the other option <br /> three of the design options require two-flow nozzles. requires a 260 nozzle, Part No.419341. <br /> NOTICE Option 1:1 F Nozzle:When using the 1 F nozzle for range protec- <br /> A 13 in.(33 cm)diameter wok pan is the fargest ' tion with or without back shelf,the maximum length of <br /> wok size that can be protected on ranges_ _ the burner grates being protected must not exceed <br /> When protecting hot top ranges, the entire 28 in. (7� cm) and the maximum area of the burner <br /> grates must not exceed 336 sq.in. (2168 sq.cm).See <br /> cooking surface m�st be protected. - Figure 27 for nozzle location details. <br /> Range Protection(1-Flovu Nozzte) iFNOa� <br /> Sin le and multi le burner ran es can be rotected usin a IN SHELF CAN OVERHANG BURNER(S) <br /> 9 P 9 P � BY A MAXIMUM OF 11 1N.(28 cm) <br /> nozzle, Part No.419335.The noule tip is stamped with IN, indi- <br /> cating fhat this is a one-flow nozzle and must be counted s one � <br /> flow number. .•�, , ' � <br /> When using this nozzle for range protection,the maximum lengfh � A�M 2o iN. <br /> of the burner grates being protected with a single nozzle m st not ao_aa iN. � POINT �5'°`r'� <br /> exceed 32 in.(81 cm)and the mauimum area of the burner grates c�oz-izz�m� ! MINIMUM II <br /> must not exceed 384 sq.in.(2477 sq.cm)per nozzte. � <br /> When protecting a range,the 1N nozzle must be located maxi- - • � { <br /> mum of 10 in. (25.4 cm) from each burner grate centerlinIe and <br /> must be aimed at the center ofi the cooking surface.See Figi�re.26. � � <br /> �14 IN. <br /> (35.6 cm) � <br /> 1P� �741N. �X1MUM <br /> � 35.6 cm) <br /> � — _� M�X�M�M FRONTTO REAR MqX�MUM � <br /> � , / � CENTERLINE <br /> � 1F NOZZLE LOCATED OVER FRONT EDGE OF BURNER GRATE AND ORIENTED <br /> � SO NOZZLE TIP FLATS ARE PARALLEL W�TH BURNER GRATE FRONT TO REAR <br /> CEfVTERLINE AfdD SHALL BE AIMED AT THE CENTER OF THE COOKINC�Sl1RFACE. <br /> ,�,. FIGURE 27 <br />' _ 40 W_ ��— � �� <br /> {102cm) t � , � Option 2: 260 Nozzle:When using the 260 nozzle for range pro- <br /> I / ► tection with or without back shelf,the maximum length <br /> 301N. � of burner grates being protected must not exceed <br /> ' (76 ctn) � � <br /> � � 32 in. (81 cm) and the maximum area of the burner <br /> grates must not exceed 384 sq. in. (2477 sq. cm). <br /> Nozzie must be located on the front edge of the burn- <br />, er grates and aimed at a point 10 in.(25 cm)from the <br /> back edge of the burner grates.Nozzle must be mount- <br /> � ed 30 to 40 in. (76 to 102 cm) above the hazard sur- <br />, °0�9 ,_,fiace.See Figure 28. <br /> � . 260 NOZZLE <br /> 10 IN. SHELF GAN OVERHANG BURNER{S) <br /> (25 cm) _ £ - / BY A MAXtMUM OF 11 IN.(28 cm) <br /> MAXIMUM � ;'� - <br /> � <br /> / <br /> � 32 IN. , <br /> (81 cm) � 18 IN. <br /> 71V MAXIMUM I (457 cm) <br /> NOZZLE--o� 30-401N. MINIMUM <br /> (76-702 cm) � <br /> AIMING I <br /> � POINT I — <br />�I ` 10 1N. <br /> - (25 cm) 1 �101N <br /> MAXIMUM (25 cm}FROM <br /> " BACK OF <br /> "'' aass�o BURNER <br /> GRATES <br /> - FIGURE 28 <br /> I ,� � - �� <br /> . _ _,_ FIGURE 26 = <br /> ' . N;;��E``�..:_� _" ; _.." <br /> -�����-�... , <br /> i <br />