SECTION 5 – INSTALLATION INSTRUCTIONS
UL EX3470 ULC EX3470
2014-SEP-01 REV. 11 PAGE 5-9
R-102 Restaurant Fire Suppression Manual
INSTALLING THE ACTUATION AND EXPELLANT GAS LINE
(Continued)
Actuation Gas Line (Continued)
3. The total combined length of the actuation gas line from the
regulated release assembly to all regulated actuator assem-
blies must not exceed 20 ft (6 m) when using an LT-20-R
nitrogen cartridge, an LT-30-R nitrogen cartridge, a 101-10
CO
2
cartridge, or a 101-20 CO
2
cartridge. See Figure 5-16.
Note: When using stainless steel actuation line, a maximum
of 17.5 ft (5.3 m) of hose may be used.
4. If an expellant gas line is connected to the regulated
release assembly along with an actuation gas line, the total
combined length of the actuation and expellant gas line
must not exceed 30 ft (9.1 m). See Figure 5-17.
5. A combined total of nine fittings may be used in these lines,
eight 90° elbows and one tee. Two 45° elbows equal one
90° elbow.
FIGURE 5-15
Typical Arrangements for a One Device Connection to Cartridge Receiver
000293
Typical Arrangements for a Two Device Connection to Cartridge Receiver
000294
Typical Arrangements for a Three Device Connection to Cartridge Receiver
000295
NOTE: WHEN PIPE IS USED, ALL PIPE AND FITTINGS SHALL BE SCHEDULE 40 (STANDARD WEIGHT) BLACK
IRON, HOT-TIPPED GALVANIZED, CHROME-PLATED, OR STAINLESS STEEL.
000296
TO TANK IN REGULATED
RELEASE ASSEMBLY
SINGLE TANK
DOUBLE AND MULTIPLE TANKS
TO TANK IN REGULATED
RELEASE ASSEMBLY
TO TANK IN
BRACKET OR
ENCLOSURE
(PIPE OR HOSE)
TO REGULATED ACTUATOR
ASSEMBLY(IES)
Typical Arrangements for Regulator Connections