SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
2014-SEP-01 REV. 11 PAGE 4-31
R-102 Restaurant Fire Suppression Manual
Nozzle Application Chart (Continued)
Minimum
Nozzle
Maximum Hazard
Nozzle
Nozzle
Nozzle
Stamping –
Hazard
Dimensions
Quantity
Heights
Part No.
Flow No.
Griddle (Continued)
Longest Side (Low Proximity)
1
10 – 20 in.
439840
2W
36 in. (914 mm)
(254 – 508 mm)
Area – 1080 in.
2
(perimeter located)
(69677 mm
2
)
Longest Side (Low Proximity)
1
10 – 20 in.
439846
2120
48 in. (1219 mm)
(254 – 508 mm)
Area – 1440 in.
2
(perimeter
(92903 mm
2
)
located)
Chain Broiler*
Length – 34 in. (863 mm)
2
10 – 26 in.
439839/439864 1W/1WSS
(Overhead Protection)
Width – 32 in. (812 mm)
(254 – 660 mm)
Chain Broiler
Length – 43 in. (1092 mm)
2
1 – 3 in.
439838/439865 1N/1NSS
(Horizontal Protection)
Width – 31 in. (787 mm)
(25 – 76 mm)
Gas-Radiant/Electric
Longest Side – 36 in. (914 mm) 1
15 – 40 in.
439838/439865 1N/1NSS
Char-Broiler
Area – 864 in.
2
(381 – 1016 mm)
(55741 mm
2
)
Electric Char-Broiler
Longest Side – 34 in. (863 mm) 1
20 – 50 in.
439838/439865 1N/1NSS
Area – 680 in.
2
(508 – 1270 mm)
(43870 mm
2
)
Lava-Rock Broiler
Longest Side – 24 in. (609 mm) 1
18 – 35 in.
439838/439865 1N/1NSS
Area – 312 in.
2
(457 – 889 mm)
(20128 mm
2
)
Natural Charcoal Broiler Longest Side – 24 in. (609 mm) 1
18 – 40 in.
439838/439865 1N/1NSS
Area – 288 in.
2
(457 – 1016 mm)
(18580 mm
2
)
Lava-Rock or Natural
Longest Side – 30 in. (762 mm) 1
14 – 40 in.
439841
3N
Charcoal Char-Broiler
Area – 720 in.
2
(355 – 1016 mm)
(46451 mm
2
)
Wood Fueled Char-Broiler Longest Side – 30 in. (762 mm) 1
14 – 40 in.
439841
3N
Area – 720 in.
2
(355 – 1016 mm)
(46451 mm
2
)
Upright Broiler/
Length – 32.5 in. (825 mm)
2
–
439837
1/2N
Salamander
Width – 30 in. (762 mm)
Salamander
Length – 29 in. (736 mm)
1
–
439838
1N
Broiler
Width – 16 in. (406 mm)
Length – 31 in. (787 mm)
1
–
439836
1F
Width – 15 in. (381 mm)
Length – 31 in. (787 mm)
1
–
439838
1N
Width – 15 in. (381 mm)
Wok
14 in. – 30 in. (355 – 762 mm) 1
35 – 45 in.
439844
260
Diameter
(889 – 1143 mm)
3.75 – 8.0 in. (95 – 203 mm)
Deep
11 in. – 24 in. (279 – 609 mm)
30 – 40 in.
439838/439865 1N/1NSS
Diameter
(762 – 1016 mm)
3.0 – 6.0 in. (76 – 152 mm)
Deep
* Minimum chain broiler exhaust opening – 12 in. x 12 in. (305 mm x 305 mm), and not less than 60% of internal broiler size.