Ansul R-102 Installation And Maintenance Manual

Range Protection 245 (2-Flow) Nozzle – High Proximity
Application
No Obstructions
40 in. to 50 in. (1016 mm to 1270 mm) above the cooking
surface.
This high proximity application uses the 245 nozzle.
The nozzle is stamped with 245 indicating this is a two-ow
nozzle and must be counted as two ow numbers.
One 245 nozzle will protect a maximum cooking area of 672 in.
2
(43354 mm
2
) with a maximum longest dimension of 28 in.
(711 mm).
When using this nozzle for range protection, the nozzle must
be pointed vertically down and positioned as shown in Figures
4-29 and 4-30.
FIGURE 4-29
NOTICE
Four burner grates shown in Figure 4-30. For
single or double burner grates, locate nozzle
at center of cooking surface or 11 3/8 in.
(288 mm) maximum from nozzle centerline to
center of any burner grate.
FIGURE 4-30
000236
245 NOZZLE TIP LOCATION
CENTERLINE OF COOKING SURFACE
50 IN.
(1270 mm)
MAXIMUM
HEIGHT
OF 245
NOZZLE
TIP
40 IN.
(1016 mm)
MINIMUM
HEIGHT
OF 245
NOZZLE
TIP
SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
PAGE 4-14 REV. 11 2014-SEP-01
R-102 Restaurant Fire Suppression Manual
245 NOZZLE TIP
LOCATION CENTER OF
COOKING SURFACE
OR
11 3/8 IN. (288 mm)
MAXIMUM FROM
CENTERLINE OF NOZZLE
TO CENTER OF ANY
BURNER GRATE
COOKING
AREA
COOKING
AREA
245 NOZZLE TIP
LOCATION CENTER OF
COOKING SURFACE
OR
11 3/8 IN. (288 mm)
MAXIMUM FROM
CENTERLINE OF NOZZLE
TO CENTER OF ANY
BURNER GRATE
COOKING
AREA
COOKING
AREA
000766

Ansul R-102 Specifications

General

Agent	Ansulex Low pH Liquid Fire Suppressant
Activation	Automatic or manual
Temperature Range	32 °F to 120 °F (0 °C to 49 °C)
System Type	Wet Chemical
Application	Commercial Kitchens
Nozzle Coverage	Varies based on hazard and configuration
Detection	Thermal or Manual
Approval	UL 300
Nozzle Types	Appliance specific nozzles
Capacity	Varies by cylinder size
Material	Stainless Steel
Standards	NFPA 17A
Cylinder Sizes	1.5 to 3 gallons