Laserfiche WebLink
SECTION IV — SYSTEM DEStGN <br /> UL EX3470 ULC EX3470 Page 4-17 <br /> ` 7-1-09 REV.fi <br /> ►Range Protectlon(W{th or Without Back Shelf/Obstructlony ►Range Protectlon 280(2-Flow}Noale(With or Wkthout Bacfc <br /> .When this type of hazard ts equipped with a back sheff or other ShelUObsirucpon) <br /> ►similariy sized obslruction located ahove the range top,two pro- Singie snd muliiple bumer rsnges can be protected using a 260 <br /> tection options are available:One requires a 1 F nozzle,Part No, nozzle,Part No.419341. The nozzle tip is stamped with 260 indi- <br /> 419333, and tha other option requlres a 260 nozzle; Part No. caUng that it is a two-flow nozzle and must be counted as two ilow <br /> 419341. numbars. <br /> ►Range Protectlon 1F(1-Flow)Noule{Wtth or W{thout Beck When using ihe 260 nozzle 1or range protection with or without <br /> ShelUObstructfan} 'back shelf or other similarly sized obstructian,the rnaximum length <br /> ot burner grates being protected must not exceed 32 in.(81 cm) <br /> Single and multiple 6urner ranges can tis protected using a 1F and the maximum area ol the burner grates must not exceed <br /> no7zte, Part No.419333.7he nouie tip is stamped with 1 F indi- ►a84 in?(2477 cm2).Nozzie musi be located on the front edge of <br /> cating that it is a one-tiow nozzle and must be counted as one flow the l�urner grates and aimed at a point 10 in.(25 cm}irom the back <br /> number. edge of the burner grates.Noule must be mounted 3o to 40 in. <br /> When using the 1 F nozzis for ranga protection with or without back '(76 to 102 cm)above the hazard surface.5ee Figure 38. <br /> ►sheVf or other simffsdy sized obstruction,the mexfmum tangth of 2�NOZZ�a <br /> the hurner grates being protected must not exceed 28 in.(71 cm) 8HELF OR pTHEH SIM0.ARLY SIZED <br /> and the maxtmum area of the burner grates must not exceed / 08STRUCTtON CAN OVERHANO BURNER(3) <br /> ►336 in?(2168 cm2).See Figure 37 ior nozzle locaiion dstails. er a rnnx�n+urn oF»iN.cxa om� <br /> �F Nozz�E � <br /> � SHELF OR OTHER SIMILARIY SIZED � <br /> OBSTRUCTION CAN ONERHIWQ BURNEq{S) � 1B IN. <br /> BY A MAXIMUM OF 1 t iN.(28 cm) (46.7 cmj <br /> gp_qp�ry, I MINIMUM <br /> j (76•142 cml � <br /> ' AIM 20�' I <br /> CO-48 IN. I POINT (S��� <br /> MINIMUM <br /> (to2•tncm) � � <br /> I 10 IN. <br /> (25 cm)FROM <br /> I 6ACK OF <br /> BURNER <br /> GRATES <br /> �<�u�. ► FIGURE 38 <br /> (35.8 an) - 000xaea <br /> 121N. 141N. �X1MUM <br /> (30.5 cm) FFi0NTT0 PEAR (3MAXIMUM <br /> MAXfMUM CENTERLINE <br /> 1F NOZZLE LOCASED OVER FRONT EDflE DF.BURNEA�M7E AHO OPoENiEO <br /> 90 NOZZLE TIP FLATS AAE PARALLBL WITH BURNER OFiAtE FRONT 70 REAR <br /> C6N7EALINE AND SHALL BE AIMED ATT}1E CENTER O�7HE COOKIN�SURFACE. <br /> ' FIGUAE 37 <br /> �� <br />