SECTION 3 – SYSTEM DESIGN
UL EX3830 ULC EX3830
PagE 3-4 REV. 06 2014-NOV-10
KITCHEN KNIGHT II Restaurant Fire Suppression Manual
NOZZLE COVERAGE AND PLACEMENT (Continued)
Plenum Protection (Continued)
0 IN
.-6
IN.
(0 mm-152 mm)
10 FT
(3.0 m)
MaX.
10 FT
(3.0 m)
MaX.
006177aPC
000207
30 FT
(9.1 m)
10 FT (3.0 m)
MaXIMUM
10 FT (3.0 m)
MaXIMUM
10 FT (3.0 m)
MaXIMUM
INCORRECT
000208
006177bPC
1/3 H
1/3 H
H
H
W
SINGLE BANk
V BANk
2 IN.
(50 mm)
1/2 W
FIGuRE 3-7
Appliance Protection
Note
: When protecting appliances which are larger than single
nozzle coverage, multiple nozzles can be used.
Larger appliances can be divided into several modules, each
equal to or smaller than single nozzle coverage. Exception:
Fryers must not exceed a maximum of 864 in.
2
(55741 mm
2
).
For modularizing fryers, refer to “FRYER – MULTIPLE NOzzLE
PROTECTION.”
TABLE 3-1: APPLIANCE PROTECTION
Appliance
Maximum Cooking
Type
Hazard Area per Nozzle
Fryer Without 19 in. x 19 1/2 in. maximum
Drip Board
(482 mm x 495 mm)
Fryer With
18 in. x 27 3/4 in. (457 mm x 704 mm)
Drip Board
maximum; 19 1/2 in. x 25 3/8 in.
(495 mm x 644 mm) maximum
Small Range Maximum area of 336 in.
2
(21677 mm
2
) with
the longest side to be a maximum of 28 in.
(711 mm)
Large Range Maximum area of 784 in.
2
(50580 mm
2
) with
the longest side to be a maximum of 28 in.
(711 mm)
Small Wok
24 in. (609 mm) diameter x 6 in. (152 mm)
deep maximum
Large Wok
30 in. diameter x 8 in. deep
(762 mm x 203 mm) maximum
Small
Maximum area of 1080 in. (69677 mm
2
)
griddle
with the longest side to be a maximum of
36 in. (914 mm)
Large
Maximum area of 1440 in.
2
(92903 mm
2
)
griddle
with the longest side to be a maximum of
48 in. (1219 mm)
gas Radiant/ Maximum area of 624 in.
2
(40257 mm
2
)
Electric
with the longest side to be a maximum of
Char-Broiler 26 in. (660 mm)
gas Radiant/ Maximum area of 864 in.
2
(55741 mm
2
)
Electric
with the longest side to be a maximum of
Char-Broiler 36 in. (914 mm)
Lava Rock
Maximum area of 624 in.
2
(40257 mm
2
)
Char-Broiler
with the longest side to be a maximum of
26 in. (660 mm)
Natural
Maximum area of 480 in.
2
(30967 mm
2
)
Charcoal
with the longest side to be a maximum of
Broiler
24 in. (609 mm)
Mesquite
Maximum area of 480 in.
2
(30967 mm
2
)
Char-Broiler
with the longest to be a maximum of
24 in. (609 mm)
Upright/
Maximum area of 1064 in.
2
(68645 mm
2
)
Salamander
with the longest side to be a maximum of
Broiler
36 in. (914 mm)
Chain Broiler Maximum area of 1026 in.
2
(66193 mm
2
)
with the longest side to be a maximum of
38 in. (965 mm)
