SECTION 3 – SYSTEM DESIGN
UL EX3830 ULC EX3830
2014-NOV-10 REV. 06 PagE 3-9
KITCHEN KNIGHT II Restaurant Fire Suppression Manual
NOZZLE COVERAGE AND PLACEMENT (Continued)
Appliance Protection (Continued)
TABLE 3-4: NOZZLE POSITIONING (Continued)
Range Range
Length - L
width – w
Radius – R
in. (mm)
in. (mm)
in. (mm)
28
(711)
18
(457)
3 1/8
(79)
28
(711)
19
(482)
2 7/8
(73)
28
(711)
20
(508)
2 5/8
(66)
28
(711)
21
(533)
2 1/4
(57)
28 (711)
22 (558)
2
(50)
28
(711)
23
(584)
1 5/8
(41)
28
(711)
24
(609)
1 3/8
(34)
28 (711)
25 (635)
1
(25)
28 (711)
26 (660)
3/4 (19)
28 (711)
27 (685)
3/8
(9)
28 (711)
28 (711)
0
(0)
4. Small wok
(24 in. (609.6 mm) diameter x 6 in. (152 mm)
depth maximum)
Two nozzles are available for small wok protection: High
proximity and low proximity.
The 1H nozzle (Part No. 551029) is used for high proximity
wok protection. This nozzle is a one flow nozzle. The nozzle
must be located
anywhere on the perimeter
of the appli-
ance, 24 in. to 48 in. (609.6 mm to 1219 mm) above the top
edge of the wok and aimed at the center of the wok. See
Figure 3-14.
The 1L nozzle (Part No. 551026) is used for low proximity
wok protection. This nozzle is a one flow nozzle. The nozzle
must be located
anywhere on the perimeter
of the appli-
ance, 13 in. to 24 in. (331 mm to 609.6 mm) above the top
edge of the wok and aimed at the center of the wok. See
Figure 3-14.
006183PC
1H, 1L
1H
1L
13 IN.
(331 mm)
48 IN.
(1219 mm)
24 IN.
(609.6 mm)
24 IN. (609.6 mm)
DIaMETER MaXIMUM
NOzzLE LOCaTED
ON PERIMETER
FIGuRE 3-14
5. Large wok
(greater than 24 in. to 30 in. (609.6 mm to
762 mm) diameter x 8 in. (203 mm) depth maximum)
Two nozzles are available for large wok protection: High
proximity and low proximity.
The 2H nozzle (Part No. 551028) is used for high proximity
wok protection. This nozzle is a two flow nozzle. The nozzle
must be located
anywhere on the perimeter
of the appli-
ance, 24 in. to 48 in. (609.6 mm to 1219 mm) above the top
edge of the wok and aimed at the center of the wok. See
Figure 3-15.
The 2L nozzle (Part No. 551027) is used for low proximity
wok protection. This nozzle is a two flow nozzle. The nozzle
must be located
anywhere on the perimeter
of the appli-
ance, 13 in. to 24 in. (331 mm to 609.6 mm) above the top
edge of the wok and aimed at the center of the wok. See
Figure 3-15.
006183PC
2H, 2L
2H
2L
13 IN.
(331 mm)
48 IN.
(1219 mm)
24 IN.
(609.6 mm)
30 IN. (762 mm)
DIaMETER MaXIMUM
NOzzLE LOCaTED
ON PERIMETER
FIGuRE 3-15
6. Small Griddle
(1080 in.
2
(69677 mm
2
) x 36 in. (914 mm)
longest side maximum)
Two nozzles are available for small griddle protection: High
proximity and low proximity.
The 1H nozzle (Part No. 551029) is used for high proximity
griddle protection. This nozzle is a one flow nozzle. The
nozzle must be located
above any corner
of the hazard
surface, 24 in. to 48 in. (609.6 mm to 1219 mm) above the
cooking surface of the appliance and aimed at a point 12 in.
(304 mm) over and 12 in. (304 mm) in from the corner below
the nozzle. See Figure 3-16.