Edwards Signaling SB4U Analog Audible Detector Base - Manuel (Page 3)

P/N 3101077 • REV 05 • REB 23JAN13 3 / 6
Table 1: Operating current in mA (RMS)
Voltage Low dBA High dBA
16 VDC 17 28
24 VDC 24 41
33 VDC 31 52
16 VFWR 41 48
24 VFWR 51 60
33 VFWR 60 66
VDC = Volts direct current, regulated and filtered
VFWR = Volts full wave rectified
Table 2: Sound level output (dBA) per CAN/ULC-S525
Signal Voltage (VDC) Low dBA High dBA
Reverberant room per UL 464 [1]
Temporal 16 71.3 77.2
24 75.0 79.8
33 77.7 81.5
Steady 16 75.8 80.5
24 79.2 84.1
33 82.0 86.0
Reverberant room per UL 268 [2]
Temporal 16 77.3 83.2
24 81.0 85.8
33 83.7 87.5
Steady 16 81.8 86.5
24 85.2 90.1
33 88.0 92.0
[1] For UL 464 applications, low dBA settings are for private mode only
[2] For UL 268 applications, the high setting must be used for
evacuation
Table 3: Audible directional characteristics
Angle (degrees) Output sound pressure level
90 (reference) 0 dBA
80 and 100
−3 dBA
70 and 110
−6 dBA
Horizontal axis and veritical axis reflect the same pattern
Table 4: Sound pressure level per CAN/ULC-S525
Signal Voltage High dBA Low dBA
Temporal Reg. 24 VDC 95 91
Reg. 24
VFWR 99 95
Steady Reg. 24 VDC 93 89
Reg. 24
VFWR 96 92
Maintenance
Do not change the factory-applied finish.
Specifications
Operating voltage (sounder
power) 24 VDC or 24 VFWR
Current
Operating
Supervisory
See Table 1
DC = 1.46 mA, FWR = 2.15 mA
Default settings
Output volume
Output tone
High dBA
Temporal pattern
Sound level output
UL
ULC
See Table 2
See Table 4
Temporal pattern 0.5 s on, 0.5 s off, 0.5 s on, 0.5 s off,
0.5 s on, 1.5 s off, repeat cycle
Compatible detectors FX-PD, E-PD, FX-PHD, E-PHD,
FX-HD, E-HD, V-PS, V-PHS, V-HRD,
and V-HFD
Compatible electrical boxes AB4G-SB surface box for audible
base
North American 4 in. square x
2-1/2 in. (64 mm) deep box
Standard European 100 mm² box
Wire size 12 to 18 AWG (0.75 to 2.5mm²)
Sizes 16 and 18 AWG are preferred
Base diameter 6.0 in. (152 mm)
Height from box (including
detector) 2.58 in. (66 mm)
Maximum distance from
ceiling (wall mount) 12 in. (305 mm)
Operating environment
Temperature
Relative humidity
32 to 120°F (0 to 49°C)
0 to 93% noncondensing
Storage temperature range –4 to 140°F (–20 to 60°C)
Regulatory information
Manufacturer Edwards, A Division of UTC Fire & Security
Americas Corporation, Inc.
8985 Town Center Parkway, Bradenton, FL
34202, USA
Year of
manufacture The first two digits of the DATE MFG number
(located on the product identification label) are
the year of manufacture.
UL/ULC rating Regulated 24 DC or 24 FWR
North American
standards Meets: UL 268, UL 464, CAN/ULC-S525, and
CAN/ULC-S529
Follow: CSA C22.1 and CAN/ULC-S524.
This device is prohibited from being installed in a
dwelling unit as defined in the National Building
Code of Canada.
Contact information
For contact information, see www.edwardsutcfs.com.