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. • SECTIOPI IV — SYSTEM DESIGPI <br /> UL EX.3470 ULC CEx747 Page 4-13 <br /> 4-1-06 REV.6 <br /> � Range Protection 1-Flow Noale When this type of hazard is equipp�tl with a back shelf located II <br /> The R-102 system uses five different nozzles for the protection of �ve the range top, two pratection options are available: One �� <br /> ranges.Two of the design options require a one-flow naale and requires a 1 F nozzle, Part Nd. �,9333, and the other option '� <br /> three of the design options require two-flow nozzles. requires a 260 nozzle,Part No_419341_ , <br /> MOTICE Option 1:1 F Noule:When using the 1 F nozzle for range protec- <br /> A 13 in.(33 cm)diameter wok pan is the largest ' tion with or without back shetf,the maximurn length of <br /> wok size that can be protected on ranges. _ the burner grates being pro#ected must not exceed <br /> 28 in. (71 cm) and the maximum area of the burner <br /> When protecting hot top ranges, the entire grates must not exceed 336 sg.in.(2168 sq.cm).See <br /> cooking surface m�st be protected. - Figure 27 for nozzle tocation details. <br /> Range Protection(1-Flow Noule) 1F NO�1 F <br /> Single and multiple burner ranges can be protected using a IN SHELF CAN OVERFWhfG BURNER(S) <br /> BY A MAXIAAUM OF 17 IN.(28 cm) <br /> I nozzle, Part No.419335.The noale tip is stamped with IN, indi- <br /> cating fhat this is a one-flowr nozzle ar�d must be counted as one � <br /> ilow number. �-�, , ' ! <br /> When using ihis nozzle for range protection,the maximum length � 2o iN. <br /> of the burner rates bein rotected with a sin le nozzle must not A�M (57 cm) <br /> 9 9 P 9 ao-as iru. � Pa►ur <br /> exceed 32 in. 81 cm and the maximum ar ��_���,,, MINIMUM <br /> ( ) ea of the burner grates ( ) <br /> must not exceed 384 s m. 2477 s .cm ! <br /> q.' ( q )per noale. � <br /> When protecting a range,the 11V nozzle must be located a maxi- . � � <br /> mum of 10 in. (25.4 cm) from each burner grate centerline and <br /> must be aimed at the center of the cooking surface.See Fgure26_ � <br /> 1d IN. <br /> (35.6 cm) <br /> 12IN. � �141N. �XIMUM <br /> I � � —� ��"5�� FRONT TO REAR {35.6 cm) yq. <br /> � � � MAXIAAUM •= CENTERLINE MAXIMUM <br /> � 1F NOZZLE LOCATED OVER FRONT EpGE OF BURNEH GRATE AND ORIENTED <br /> � SO NOZZLE TIP FLATS ARE PARALLEL WITH BURNEA GRATE FRONT TO AEAR <br /> CENTERLINE AND SHALL BE AIMED AT THE CENTER OF THE COOKING SURFACE. <br /> _" . �iN_ �a— �� FIGURE 27 <br /> {to2 cm) � � ` , oovxte <br /> Op4ion 2: 260 Nozzle:When using the 260 nozzle for range pro- <br /> / � tection with or without back shelf,the maximum length <br /> • ��s�u.",�,� \� � / of burner grates being protected must not exceed <br /> � � � 32 in. (8y cm) and the maximum area of the burner <br /> - grates musf not exceed 384 sq. in, (2477 sq. cm). <br />' Nozzle 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 /> �� ,,fiace.See Figure 28. <br /> . . � 260 NOD1E ' <br /> 10 IN. SHEIF CAN OVENHANG BURNER(S) <br /> �25 cm� - � / BY A MAXtMUM OF 11 IN.(28 cm) <br /> MAXIMUM � <br />� � � <br /> � 321N. f <br /> (81 cm) I 18 IN. <br /> 1N � MAXIMUM (457cm) <br />� N072LE 30-401N. � MINIMUM <br /> (76-702 cm) � <br /> AIMING � <br /> I . � POINT � ; <br /> 10!N. <br />� (25cm) 1 �101N <br /> MAXIMUM (25 cm)FROM <br /> ` BACK OF <br /> �+o BUFiNER <br /> GRATES <br /> - - FIGURE 28 <br /> v ,. � <br />' . FIGURE 26 - <br /> , `��_ -, <br /> 'y`!3;,:�lFAi���... r _ ., <br />