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S19-320, S19-320C
Installation Instructions
IMPORTANT:
Supplies Required
• Teflon tape or pipe sealing compound
• Black, white and green AWG 14 wire to connect alarm to electric power supply
• 1/2" conduit and 1/2" x 3/4" adapter bushing for electric power supply wiring
Step 1: Install the flow switch in the water supply line
NOTE: Remember the flow switch will attach to the mounted alarm via a 6-foot or 12-foot waterproof
cable, so keep the location for mounting the alarm in mind when choosing the flow switch location
(Figures 1–5).
1. Choose a location for mounting the flow switch in a horizontal run of the water supply line. The inlet
and outlet ports of the flow switch must be a minimum of 6 inches from any tees or elbows in the
water supply line (see Figures 1–5).
2. Mount the flow switch assembly in the water supply line.
• The switch body must be in the vertical position with the water pipe horizontal.
• The water flow must be in the direction marked by the arrow on the flow switch body.
• Use teflon tape or pipe sealing compound (supplied by installer) on all water pipe connections.
Step 2: Mount alarm assembly to unit
NOTE: Point the alarm speaker in the direction from which help is most likely to come.
1. Choose a location for mounting the alarm assembly. The alarm should be mounted at least 7 feet
above ground level for best visibility.
• The alarm may be mounted directly to the drench shower piping using the supplied U-bolts and
nuts (see Figure 2).
• The alarm can also be bolted to a flat surface such as a wall (hardware for this type of installation
is NOT supplied).
Step 3: Make electrical connections—alarm to flow switch
1. Connect the flow switch to the alarm by simply plugging the prewired cable into the socket provided
in the PVC tee beneath the alarm. The plug and socket have an alignment pin and groove which
makes for error-free hook-up.
NOTE: To prevent water condensation from dripping onto the flow switch, make sure the cable is not taut.
• Tighten the locking collar on the female cable socket by rotating it clockwise after plugging in.
This makes a good watertight connection (see Figure 2).
Step 4: Complete electrical supply connections
1. Loosen, but do not remove, the two 5/64" hex screws located on the sides of the alarm horn casing.
• Remove the front grille from the alarm horn to expose the internal wiring (see Figure 2).
2. Run electric power conduit (and 3/4" x 1/2" adapter, if necessary) and AWG 14 power wire into the
hole in the bottom of the alarm horn casing.
NOTE: Compliance and conformity to local codes and ordinances is the responsibility of the installer.
3. There are three wires inside the alarm horn casing for power supply connections–two for power and
one for ground (see Figure 2). Using two wire nuts, make the electrical connections by connecting
black to black and white to white. Ground as required.
4
Power should be supplied to the alarm by no larger than a 120 volt AC, 15
amp branch circuit with a dedicated circuit breaker or fuse and should not
supply power to any other device. Compliance and conformity to local
codes/ordinances is the responsibility of the installer.
2/9/05
Bradley Corporation • 215-693 Rev. H; EN 04-572
Installation
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