3
S4906-0006-7 5/2014
Standard Electrical Box Mounting
4" (102 mm) square box, 1-1/2"
(38 mm) deep, with a 4" square box
extension, 1-1/2" deep, by others
Mounting to 2975-9145 Box
2975-9145 Box
4905-9903
Adapter Plate
LED
indicator
Address
DIPswitch
Transparent housing and lens assembly
Wiring input
terminals and
speaker tap
selection are
accessible
from rear
Speaker
assembly
Strobe
assembly
Removable cover
(tool required)
Magnetic test location
Strobe intensity viewing slot
Intensity selection plug, accessible only from rear of
housing; factory setting is FACP, controlled by panel
110
75
30
15
FACP
75
76
77
78
79
80
81
82
83
84
85
90 80 70 60 50 40 30 20 10
0
10 20 30 40 50 60 70 80 90
Angular Displacement (Degrees) on Horizontal Axis
S
o
u
n
d
Pressu
re
L
evel (d
B
) at 10
ft
(3 m)
Speaker Directional Characteristics;
NOTE: Applicable for Wall Mount or Ceiling Mount S/V
4" (102 mm) square box
profile, 1-1/2" (38 mm)
deep with 1-1/2" extension
Surface mount conduit and
box shown for reference
S/V
Optional 4905-9998
Wire Guard
Surface mount adapter skirt, 3-3/16"
(81 mm) deep,
required
for this
mounting method: 4905-9946, Red;
4905-9947, White (conduit knockouts
are provided on all four sides)
Surface Mounting Reference
Showing Optional Wire Guard
IMPORTANT ! INSTALLATION
MOUNTING HEIGHT REFERENCE
NFPA 72 requires
that the entire lens
be not less than
80" and not greater
than 96" above the
finished floor.
4" square box
outline
4" (102 mm)
1-1/2" (38 mm)
82"
(2.1 m)
minimum
78-1/2"
(2 m)
minimum
2975-9145
box outline
CL
2 kHz
4 kHz
4" (102 mm) square, 1-1/2" (38 mm) deep
box with 1-1/2" extension (by others)
Wiring input
terminals and
speaker tap
selection are
accessible from
rear of speaker
housing
15
11
0 75 30
F
ACP
Strobe intensity viewing
slot
Intensity selection plug,
accessible only from rear of lens
housing; factory setting is
FACP, controlled by panel
Address DIPswitch is behind strobe assembly;
select address before inserting into housing
Magnetic test location
Magnet
test
location
Bottom view
LED indicator
13-3/8" (340 mm)
1/4" diameter (6 mm)
holes, 4 places
0.024" thick sheet
metal, folded with
1/2" lip each side
3-3/4" (95 mm) square
cutout, centered on plate
23-11/16"
(602 mm)
6-11/16"
(170 mm)
1/2" (13 mm)
2905-9946
Tile Bridge
Wall Mount Installation Reference
Ceiling Mount S/V Install Reference and Tile Bridge Dimensions
