Federal Signal Corporation 350WB Instructions D'installation page 4

2. See figure 1. Remove and retain the four screws which secure the horn to the rear
enclosure. Remove the horn from the rear enclosure.
3. Attach the supply wires to the terminal block as shown in figures 2 and 3. The terminal
block is capable of accepting both solid and stranded wire within the range of 10 AWG
(5.27 mm sq.) to 20 AWG (0.52 mm sq.). When using stranded wire, ensure that the
strands of the wire are twisted together prior to inserting them into the terminal block.
4. Reassemble the horn to the rear enclosure using the previously removed screws.
5. For Model 350WB-120VAK only:
a. Volume adjustment set screw is already installed in horn.
b. For additional information, see instruction sheet 8435A536.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
• Read and understand all instructions before performing any maintenance to this unit.
• To reduce the risk of electrical shock or ignition of hazardous atmospheres, do not perform
maintenance/service on this device when circuits are energized.
• Optimum sound distribution will be reduced if the speaker becomes clogged with a foreign
substance. Periodic checks should be performed to ensure foreign substances are not packed into
the speaker.
• Any maintenance to the warning system must be performed by a trained electrician in accordance
with all applicable national and local codes and standards in the country of use.
• Never alter the unit in any manner. Safety in hazardous locations may be endangered if additional
openings or alterations are made in units specifically designed for use in these locations.
• The nameplate, which may contain cautionary or other information of importance to maintenance
personnel, should not be obscured if the exterior of housings are painted.
Failure to follow all safety precautions and instructions may result in property damage, serious
injury, or death to you or others.
C. Audibility and Electrical Ratings..
VOLTAGE
120
230-240
* MEASURED ON-AXIS AT TEN FEET/3 METERS IN AN ANECHOIC CHAMBER.
CURRENT (AMPS)
0.18/0.22
0.09
Hz
50/60
50/60
-2-
dB* dB**
100 94
100 94