User's Manual

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4. When Control System is wall mounted, a minimum of 5 ft. (1.52 m) of 1/4-inch O.D. x 0.031-inch wall tubing shall
be used in the overall actuation line.
5. High pressure nitrogen tubing (P/N 87-120045-00X) may be used in place of copper tubing, not to exceed a max-
imum length of 30 feet (9 m).
6. In every system, either single cylinder or multiple cylinder, a 1/8-inch NPT plug or vent check (P/N WK-877810-
000) shall be used in the outlet port of the last System Valve Actuator(s) in the actuation line.
7. A maximum of 2 Pressure Switches (P/N 486536) may be used in the actuation line.
SYSTEM NITROGEN CARTRIDGE, P/N 87-120043-001
The XV Control System uses a nitrogen cartridge for actuating the system cylinders and is charged with dry nitrogen
(see Figure 2). The cartridge is mounted inside the XV Control System to protect it from tampering and provides the
date of manufacturing and space (gray band) for recording the installation date.
Figure 2. System Nitrogen Cartridge,
P/N 87-120043-001
TEST CARTRIDGE, P/N 87-120044-001
The Test Cartridge is used for functional testing of the Kidde WHDR Wet Chemical System and IND Dry Chemical
System*. The cartridge has a red band and is labeled “TEST CARTRIDGE” as shown in Figure 3.
*Note: The System Nitrogen Cartridge P/N 87-120043-001 is required for actuation and full discharge or "puff" tests,
and when a time delay is included (as in systems protecting Vehicle Spray Booths).
Figure 3. Test Cartridge, P/N 87-120044-001
5-1/8 in.
(130 mm)
1-9/16 in.
(40 mm)
GRAY BAND
4 in.
(102 mm)
1 in.
(25 mm)