D900-00-00
3
I56-0003-002R
4-INCH BACK BOX
BBS
A
A
LOCKING RIB SLOT
LOCKING RIB
Chime surface mount:
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: Chime and skirt may also be mounted to a 2-inch box using screws
B instead of screws A.)
4-INCH BACK BOX
WALL OPENING MUST
EQUAL PLATE OPENING
D-MP
LOCKING RIB SLOT
LOCKING RIB
A
A
Chime with universal mounting plate:
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.
2-INCH BACK BOX
WALL OPENING MUST
EQUAL PLATE OPENING
S-MP
LOCKING RIB SLOT
LOCKING RIB
B
B
Chime direct mount:
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.
Screw types used for mounting:
A = 8-32 x
3
⁄
4
flat head
B = 6-32 x 1
5
⁄
16
pan head
Mounting Diagrams:
Mounting
1. The chime is intended for mounting to a standard 2
1
/
2
″
deep single-
gang box which allows sufficient clearance for conduit entrance.
2. The chime is compatible with DC line supervision, is polarized, and
has terminals marked with polarity. Apply positive supply voltage to
the (+) terminal and negative supply voltage to the (–) terminal. (See
Figure 1.)
3. Mount the chime to the electrical outlet box using the two mounting
screws supplied.
4. Field repair of the chime should not be attempted. Return to factory
for repair or replacement.
*NOTE: Shown with control panel in alarm. Panel polarity reversed in
supervisory condition.
Figure 1:
From
control
panel
or
previous
device*
To
EOL
or
Next
Device
A78-2670-00
A78-2672-00
A78-2671-00
Figure 2: Removal of horns and strobes from mounting plates:
To remove units from mounting plates, insert screwdriver as shown to
unlock snap. While pushing in screwdriver to release the snap, pull back
on the horn/strobe. Hinge the horn/strobe module, disengage the Locking
Rib, and lift the horn/strobe away from the mounting plate.
INSERT SCREWDRIVER
PULL HORN/STROBE UNIT
SNAP
INSERT SCREWDRIVER
TO REMOVE
LOCKING RIB
LOCKING RIB SLOT
A78-2673-00
