SECTION 7 – RECHARGE AND RESETTING PROCEDURES
UL EX3470 ULC EX3470
2014-SEP-01 REV. 11 PAGE 7-3
R-102 Restaurant Fire Suppression Manual
RECHARGE (Continued)
RIB ON NOZZLE
1/2 IN. TUBING
1/2 IN. ADJUSTABLE
HOSE CLAMP
NOZZLE TIP END
1/2 IN. COMPRESSION
FITTING/THREADED
ADAPTOR
TUBING
INSERT
1/2 IN.
CONDUIT
NUTS
PAIL
COVER
FIGURE 7-4
000367
e. Attach the tubing ends to the compression fittings.
Tubing inserts will be required. See Figure 7-4.
f. Install nozzle/tubing ends to nozzle bodies in discharge
piping.
g. Make certain each length of tubing is fastened to the pail
cover with the cover snapped securely to the pail.
9. Complete the following steps in the flushing procedure:
a. Connect discharge piping and expellant gas line to agent
tank adaptor.
b. Cock AUTOMAN Release Mechanism and insert lock
pin. Refer to Components Section of this manual for
detailed part numbers.
c. Install LT-30-R Cartridge; hand tighten.
d. Remove lock pin.
e. If regulated actuators are included in the system, also
install LT-30-R cartridges in them.
f. Actuate system via pull station.
g. Wash out all system nozzles and strainers in warm
soapy water, rinse and return all nozzles and strainers
to their appropriate locations in the discharge piping.
h. Verify that all nozzle types are correct. Utilizing the
nozzle aiming device, ensure that all nozzles are
correctly aimed at the appropriate location on the appli-
ance.
i. Apply a small amount of Dow Corning No. 111 silicone
grease across the opening of the nozzle tip. Install blow-
off caps onto nozzles.
j. Remove empty tank.
10. Fill each tank with 1.5 gal (5.8 L) or 3.0 gal (11.6 L) of
ANSULEX Low pH Liquid Fire Suppressant. See Figure
7-5. Note: Use a funnel with a screen to stop any foreign
material from entering the tank. See Page 5-3, Figure 5-6,
for additional detailed filling instructions.
FIGURE 7-5
CAUTION
During filling, the agent temperature should be 60 °F
to 80 °F (16 °C to 27 °C). DO NOT FILL WITH COLD
AGENT. DO NOT OVERFILL. Overfilling may result in
agent entering gas hose and regulator potentially causing
system malfunction. See Page 5-3.
11. Replace bursting disc (Part No. 416974) in adaptor assem-
bly. Make certain silver side of disc is away from tank.
12. Replace adaptor/tube assembly and tighten into place.
Return and secure each tank in regulated release assembly
and mounting bracket/enclosure. Reconnect expellant gas
and distribution piping and/or as required.
13. Raise tension lever to “UP” position.
14. Cock regulated release mechanism using cocking lever
(Part No. 441042 or 441041) and install lock pin (Part No.
438031).
2 1/4 IN. ± 1/8 IN. (58 mm ± 3 mm)
FROM THE TOP OF THE COLLAR
FOR THE 3.0 GALLON TANK
OR
1 3/4 IN. ± 1/8 IN. (45 mm ± 3 mm)
FROM THE TOP OF THE COLLAR
FOR THE 1.5 GALLON TANK
STAINLESS STEEL TANKS
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1 IN. TO 1 1/8 IN. (26-28 mm)
FROM THE BOTTOM OF
THE FILL OPENING
FOR BOTH 3.0 GALLON AND
1.5 GALLON TANKS
RED PAINTED STEEL TANK
000292a