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Chapter 3 — System Design Page 3 -7 REV. 2 3. Larger Burner Range (784 sq. in. (5085 sq. cm) maxi- Range Range • m um, 28 in. (71 cm) longest side maximum) Length - Width — W Radius — R In. (cm) in. (cm) in. (cm) One nozzle is available for large range protection: High 18 (46) 27 (69) 3 5/8 (9) proximity. 18 (46) 28 (71) 31/8 (8) The Model 2L nozzle, Part No. 551027, is used for high 19 (48) 18 (46) 6 3/4 (17) proximity large range protection. This nozzle Is a two (2) 19 (48) 19 (48) 6 3/8 (16) flow nozzle. When using high proximity protection, the 19 (48) 20 (51) 6 (15) range cannot be under a backshelf. This nozzle must be 19 (48) 21 (53) 5 5/8 (14) located 34 in. to 48 in. (86 to 122 cm) above the cooking 19 (48) 22 (56) 5 1/4 (13) surface, and aimed directly down within the mounting area, 19 (48) 23 (58) 4 7/8 (12) based on the hazard size, as described In the Nozzle 19 (48) 24 (61) 4 1/2 (11) Positioning Chart. See Figure 3 -5. 19 (48) 25 (64) 4 1/8 (10) 19 (48) 26 (66) 3 3/4 (9) R 19 (48) 27 (69) 31/4 (8) 19 (48) 28 (71) 2 7/8 (7) aft 19 (48) 20 (51) 6 3/8 (16) , 30 r 20 (51) 6 (15) 20 (51) 5 5/8 (14) 20 (51) 4 � 2L 20 (51) 21 (53) 51/4 (13) �� ' 20 (51) 22 (56) 4 7/8 (12) 20 (51) 23 (58) 4 1/2 (11) 20 (511 24 (61) 4 1/8 (10) 34 ''IN. 20 (51) 25 (64) 3 3/8 (8) 481N. 20 (51) 26 (66) �� / (88 cm) (» 3 cm) 20 (51) 27 (69) ( 20 (51) 28 (71) 2 5/8 (6) '`J,,,,. 21 (53) 18 (46) 6 (15) -<,.''''''''''''N'\.4 '.> 21 (53) 19 (48) 5 5/8 (14) 21 (53) 20 (51) 5114 {13) 5 (12) L \ / w 21 (53) 22 (56) 4 5/4 (11) 21 (53) 23 (58) 41/4 (10) 006111 21 (53) 24 (61) 3 7/8 (10) Figure 3 -5. 21 (53) 25 (64) 3 1/2 (9) 53 Example: A four burner range has a hazard size of 20 In. 21 (53) 26 (66) 3 1/8 (8) 53 (51 cm) in length and 27 in. (69 cm) in width. Follow down 21 21 the Range Length column In the Nozzle Positioning Chart (53) 27 (69) 2 3/8 (7) ) 28 (71) 2 1/4 (6) until you come to 20 in. (51 cm). Continue down this 22 (56) 18 (46) 5 5/8 (14) column until the correct width appears In the width column. 22 (58) 19 (48) 5 1/4 (13) When the width of 27 in. (69 cm) Is arrived at, read across 22 (56) 20 (51) 4 7/8 (12) 56 to the radius column to determine the size of radius 22 (56) 21 (53) 4 5/8 (11) 56 allowed, for positioning of the nozzle, from the hazard area 22 (56) 22 (56) 41/4 (10) 56 centerline. In this example, the correct radius is 3 in. (8 22 (56) 23 (58) 3 7/8 (10) cm). The nozzle can be aimed straight down anywhere 22 (56) 24 (61) 3 1/2 (9) 22 (56) 25 (64) 3 1/8 (8) within a 3 in. (8 cm) radius of the hazard area centerline. 22 (56) 26 (66) 2 3/4 (7) Nozzle Positioning Chart 22 (56) 27 (69) 2 3/8 (6) Range Range 22 (56) 28 (71) 2 (5) Length - L Width — W Radius — R 23 (58) 18 (46) 5 1/4 (13) in. (cm) In. (cm) in. (cm) 23 (58) 19 (48) 4 7/8 (12) 18 (46) 18 (46) 71/8 (18) 23 (58) 20 (51) 41/2 (11) 18 (46) 19 (48) 6 3/4 (17) 23 (58) 21 (53) 4 1/4 (10) 18 (46) 20 (51) 6 3/8 (16) 23 (58) 22 (56) 3 7/8 (10) 18 (46) 21 (53) 6 (15) 23 (58) 23 (58) 31/2 (9) 18 (46) 22 (56) 5 5/8. (14) 23 (58) 24 (61) 3 1/8 (8) 18 (46) 23 (58) 5 1/4 (13) 23 (58) 25 (64) 2 7/8 (7) 18 (46) 24 (61) 4 3/4 (12) 23 (58) 26 (66) 2 1/2 (6) 18 (46) 25 (64) 4 3/8 (11) 23 (58) 27 (69) 2 1/8 (5) 18 (46) 26 (66) 4 (10) 23 (58) 28 (71) 1 5/8 (4) ULEX 3830 PN551274(2) April 1, 2004