D770-41-00 1 I56-1893-005
©
2004 System Sensor
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
INSTALLATION AND MAINTENANCE INSTRUCTIONS
WBB
Weatherproof Back Box
Accessory
Specifications
Dimensions:
Box: 4.33″L× 1.55″W× 4.33″H
Foam gasket: 0.125″ thick, adheres to box top
Conduit opening: (2)
1
⁄2″ NPT, fully threaded with
(2)
1
⁄2″NPT plug, (1)
7
⁄8″knockout plug
Rear mounting tabs with 0.25″ diameter eyelets
Top mounting holes, #8-32 × 0.50″ DP
Figure 1: SpectrAlert horn, strobe, and horn/strobe
(‘K’ suffix models) mounting with universal plate
WBB
Gasket
Plate
Flat Head
Screw (4 total)
Paper Liner
For Plate
Gasket
Conduit
Entrance
Slot
Locking Rib
A0135-01
1. Mount back box in desired location (See Figure 1).
2. Install
1
⁄2″NPT plug into unused conduit opening.
3. For SpectrAlert models, mount plate to back box using 4
#8-32 x
1
⁄2″ screws (Figure 1)supplied with product.
4. Complete field wiring.
5. Remove paper liner on plate gasket – NOTE: Perform elec-
trical tests first, then remove liner. Paper liner must be
removed from gasket before final installation.
6. Insert locking rib into slot on plate.
7. Press into plate; the SpectrAlert model will make a
“click” when it has locked into place.
NOTE: The weatherproof or outdoor notification appli-
ance must be used with the System Sensor
WBB back box when installed in applications
requiring the appliance to be weatherproof or
outdoor-listed. In such applications, using a back
box other than the System Sensor WBB will void
the UL designation.
NOTE: All System Sensor weatherproof wall-mount
horns and horn/strobes can be surface mounted
or flush mounted when used with the System
Sensor WBB.
This accessory is UL listed for use with:
• H12/24K, S1224MCK, P1224MCK, and P12015K series
SpectrAlert
®
wall horn, strobe and horn/strobe models
• SSM24 and SSV120 series alarm bells
Refer to specific model installation instructions for weath-
erproof rating, temperature operating range, indoor and
outdoor application information.
Figure 2: Typical SSM and SSV bell weatherproof
installation
PAN HEAD SCREW
(4 TOTAL)
CONDUIT
ENTRANCE
GASKET
WBB
W0169-01
1. Mount back box in desired location (See Figure 2).
2. Install
1
⁄2″NPT plug into unused conduit opening.
3. For SSM24 and SSV120 alarm bells, remove gong (refer
to SSM and SSV bell series installation manual) and
complete field wiring.
4. Mount bell to WBB with 4 #8-32 x
3
⁄4″screws (Figure 2)
supplied with product.
Figure 3: Knockout plug removal
1. If a rear conduit entry
is required, remove the
knockout plug using a
flat blade screwdriver as
shown in Figure 3. Strike
sharply with a hammer
to pierce the wall of the
knockout plug. Move to
an adjacent wall section
and repeat until the plug falls out. Make sure that the
back box is supported adequately during this operation
to avoid injury.
2. To meet weatherproof or outdoor listing, the conduit
entrance must be gasketed.
3. Install
1
⁄2″NPT plugs (2) into unused conduit openings.
Mounting Instructions
A0134-00
(2 paginas)
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