SECTION 5 – INSTALLATION INSTRUCTIONS
UL EX3470 ULC EX3470
PAGE 5-12 REV. 11 2014-SEP-01
R-102 Restaurant Fire Suppression Manual
INSTALLING THE ACTUATION AND EXPELLENT GAS
LINE (Continued)
Actuation Gas Line From Remote Release(s) to Regulated
Actuators
Install actuation gas piping from the remote release(s) to the
regulated actuators by completing the following:
1. Pipe the 1/4 in. actuation gas line from the 1/4 in. outlet in
the remote release receiver, through the knockout provided
in the top of the release enclosure, to each regulated actu-
ator assembly.
The maximum length of the actuation gas line from the
remote release to all regulated actuators must not exceed
100 ft (30.4). See Figure 5-20.
2. A maximum of nine tees and twenty elbows are allowed in
the actuation piping. Two 45° elbows equal one 90° elbow.
See Figure 5-20.
3. A safety relief valve (Part No. 15677) must be installed in
the actuation piping. See Figure 5-20.
Actuation Gas Line – 15* Tanks Maximum – Using 1/4 in.
Stainless Steel Hose
Note: Not for use with expellent gas line.
1. Maximum hose length cannot exceed 17.5 ft (5.3 m). See
Figure 5-21.
2. Maximum of five regulated actuators allowed.
3. Actuated with Remote Release (Part No. 433485) or
Regulated Release Assembly (Part No. 429853).
SAFETY RELIEF
VALVE
EXPELLANT
GAS LINE
1/4 IN. ACTUATION LINE – 100 FT (30.4 m) MAXIMUM
REGULATED
ACTUATOR
WITH TANK (TYP.)
AGENT TANK AND BRACKET OR
AGENT TANK IN ENCLOSURE (TYP.)
9 TEES
MAXIMUM
20 ELBOWS
MAXIMUM
CHECK
VALVE
REMOTE RELEASE
MECHANISMS
(5 MAXIMUM)
FIGURE 5-20
000301
1/4 IN. STAINLESS
STEEL HOSE
MAXIMUM OF 5
REGULATED ACTUATORS
REGULATED ACTUATOR
WITH TANK
NOTE: WHEN MULTIPLE RELEASE ASSEMBLIES ARE UTILIZED, A 1/4 IN. CHECK VALVE (PART NO. 25627)
WILL BE REQUIRED AFTER EACH REGULATED RELEASE.
NOTE: *15 TANKS MAXIMUM REFLECTS THE UTILIZATION OF THREE TANK REGULATED ACTUATORS.
1/4 IN. STAINLESS STEEL HOSE OPTIONS
SAFETY
RELIEF VALVE
MAXIMUM OF
5 REMOTE
RELEASE
MECHANISMS
(PART NO.
433485) OR
ONE
REGULATED
RELEASE (PART
NO. 429853)
CHECK VALVE
FIGURE 5-21
000301
42 IN. (1066 mm)
MAX. HOSE
LENGTH (TYP.)