Griddle Protection 260 (2-Flow) Nozzle – High Proximity
Application
Option 2 – Nozzle Perimeter Located
30 in. to 50 in. (762 mm to 1270 mm) above the cooking surface.
This high proximity application uses the 260 nozzle.
The nozzle is stamped with 260 indicating this is a two-ow
nozzle and must be counted as two ow numbers.
One 260 nozzle will protect a maximum cooking area of 1440 in.
2
(92903 mm
2
) with a maximum dimension of 48 in. (1219 mm).
When using this nozzle for griddle protection, the nozzle must
be positioned along the cooking surface perimeter to 2 in.
(50 mm) inside perimeter, and aimed at the center of the cooking
surface. See Figure 4-43 and 4-44.
FIGURE 4-43
000243
FIGURE 4-44
000241
Griddle Protection 290 (2-Flow) Nozzle – Medium Proximity
Application
Option 2a – Nozzle Perimeter Located (Continued)
20 in. to 30 in. (508 mm to 762 mm) above the cooking surface.
The medium proximity application uses the 290 nozzle.
The nozzle is stamped with 290 indicating this is a two-ow
nozzle and must be counted as two ow numbers.
One 290 nozzle will protect a maximum cooking area of 1440 in.
2
(92903 mm
2
) with a maximum dimension of 48 in. (1219 mm).
When using this nozzle for griddle protection, the nozzle must
be positioned along the perimeter to 2 in. (50 mm) inside
perimeter, and aimed at the center of the cooking surface. See
Figure 4-45 and 4-46.
FIGURE 4-45
000241
FIGURE 4-46
000243
000243
NOZZLE LOCATION
0 – 2 IN. (0 – 50 mm)
INSIDE PERIMETER
OF COOKING SURFACE
EDGE
OF
COOKING
SURFACE
30 IN. (762 mm)
MINIMUM
HEIGHT
OF 260
NOZZLE TIP
50 IN.
(1270 mm)
MAXIMUM
HEIGHT
OF 260
NOZZLE TIP
COOKING SURFACE EDGE
COOKING
AREA
AIM POINT
MIDPOINT OF
COOKING SURFACE
COOKING AREA
260 NOZZLE LOCATED ALONG
ANY SIDE OF GRIDDLE SURFACE
WITHIN 0 – 2 IN. (0 – 51 mm) OF
COOKING SURFACE EDGE. NOZZLE
MUST BE AIMED AT MIDPOINT OF
COOKING SURFACE.
COOKING AREA
CENTER OF
COOKING SURFACE
AIM POINT
COOKING
AREA
COOKING SURFACE EDGE
290 NOZZLE LOCATED ALONG
ANY SIDE OF GRIDDLE SURFACE
WITHIN 0 – 2 IN. (0 – 50 mm) OF
COOKING SURFACE EDGE. NOZZLE
MUST BE AIMED AT CENTER OF
COOKING SURFACE.
NOZZLE LOCATION
0 – 2 IN. (0 – 51 mm)
INSIDE PERIMETER
OF COOKING SURFACE
30 IN.
(762 mm)
MAXIMUM
HEIGHT
OF 290
NOZZLE TIP
20 IN. (508 mm)
MINIMUM
HEIGHT
OF 290
NOZZLE TIP
EDGE OF
COOKING
SURFACE
SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
2014-SEP-01 REV. 11 PAGE 4-19
R-102 Restaurant Fire Suppression Manual
To Next Page
Loading...
Need help?
General