System Sensor SpectrAlert Series Installation And Maintenance Instructions page 4

Mounting Diagrams
Strobe or Horn/Strobe with small footprint mounting plate:
2-INCH BACK BOX
WALL OPENING MUST
EQUAL PLATE OPENING
A78-2675-00
LOCKING RIB SLOT
1. Mount plate to back box using screws B.
2. Break off four tabs from unit.
3. Complete field wiring, making sure wall opening is large enough for ter-
minals to fit through.
4. Insert locking rib into slot on plate.
5. Press into plate; unit will make a "click" when it has locked into place.
Strobe or Horn/Strobe surface mount:
4-INCH BACK BOX
A78-2676-00
LOCKING RIB SLOT
1. Mount skirt to back box with screws A.
2. Complete field wiring.
3. Insert locking rib on unit into slot on skirt.
4. Press into skirt; unit will make a "click" when it has locked into place.
(Note: Strobe and skirt may also be mounted to a 2-inch box using screws
B instead of screws A.)
D900-25-00
Screw types used for mounting:
A = 8-32 x ⁄ flat head
3
4
B = 6-32 x 1 5 ⁄ pan head
16
S-MP
B
B
LOCKING RIB
BBS
A
A
LOCKING RIB
Strobe or Horn/Strobe with universal mounting plate:
4-INCH BACK BOX
WALL OPENING MUST
EQUAL PLATE OPENING
A78-2674-00
1. Mount plate to back box using screws A, making sure wall opening is
equal to the plate opening.
2. Complete field wiring.
3. Insert locking rib into slot on plate.
4. Press into plate, unit will make a "click" when it has locked into
place.
4
D-MP
A
A
LOCKING RIB SLOT
I56-0981-000R
© System Sensor 2001
LOCKING RIB