Ansul R-102 Installation And Maintenance Manual

SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
PAGE 4-66 REV. 11 2014-SEP-01
R-102 Restaurant Fire Suppression Manual
DISTRIBUTION PIPING REQUIREMENTS (Continued)
Distribution Piping Requirements – 1.5 Gallon System
DUCT, PLENUM, AND APPLIANCE PROTECTION
1. This option allows for duct protection, plenum protection,
appliance protection, or any combination. However, only one
duct nozzle may be used, either a 1W or a 2W, nozzle.
2. All distribution piping, supply and branch, must be 3/8 in.
Schedule 40 black iron, chrome-plated, or stainless steel.
3. Each 1.5 gallon tank allows a maximum of ve ow
numbers.*
4. The pipe length between the start of the rst branch line and
the start of the last branch line must not exceed 8 ft (2.4 m).
When the supply line is split, the combined length of both
legs of the supply line (start of rst branch line to start of last
branch line) must not exceed 8 ft (2.4 m). See Figure 4-132.
5. The combined length of all branch lines must not exceed 22
ft (6.7 m). See Figure 4-133.
6. The requirements of the following table must not be
ex ceeded:
1.5 GALLON SYSTEM
Supply Duct Plenum Appliance
Requirements Line Branch Line Branch Line Branch Line
Pipe Size 3/8 in. 3/8 in. 3/8 in. 3/8 in.
Maximum Length 40 ft 6 ft 4 ft 10 ft
(12.1 m) (1.8 m) (1.2 m) (3.0 m)
Maximum Tees 1 1 2 3
Maximum Flow Numbers 5* 2 2 3
* Exceptions:
1. Six flow numbers are allowed when a duct branch line is the last branch line on the piping network and no 1N nozzles are used to protect woks or griddles.
2. Six flow numbers are allowed when six 1N nozzles are used and none of the nozzles are used to protect woks, griddles, ranges, and salamanders.
Note:
Only five flow numbers are allowed if a 1N nozzle is used for wok, griddle, range, or salamander protection.
3. Six flow numbers are allowed when only two 3N nozzles are used.
FIGURE 4-132
000784
SUPPLY
LINE TEE
START OF FIRST
BRANCH LINE
START OF LAST
BRANCH LINE
TOTAL LENGTH
MUST NOT
EXCEED 8 FT
(2.4 m)
START OF LAST
BRANCH LINE
START OF FIRST
BRANCH LINE
FIGURE 4-133
000785
1W NOZZLE
1N NOZZLE
COMBINED LENGTH MUST
NOT EXCEED 22 FT (6.7 m)
1N NOZZLE
(BRANCH LINES IN BOLD)

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