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To complete the electrical connections, proceed as follows:
Do NOT loosen or remove the clamp ring or any of the six screws on the front of the horn housing.
Loosening or removing any of the screws may disturb the factory adjustment of the horn
mechanism and cause a horn malfunction. In addition, the horn mechanism may be damaged.
Use a method approved by local building codes and connect horn wires to supply wires.
If required by local building codes, provisions for attaching an earth ground are included.
All power wiring to all models must be routed through conduit and fittings approved
III. MAINTENANCE.
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 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 unit MUST be performed by a trained electrician in accordance with NEC
Guidelines and local codes.
• 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 exterior of housings used in hazardous locations are painted.
Failure to follow all safety precautions and instructions may result in property damage,
serious injury, or death to you or others.
The horn mechanism contains no user serviceable parts. Therefore, to avoid compromising the
explosion-proof integrity of the horn, do NOT remove the horn mechanism from the horn housing.
IV. SERVICE.
The Federal factory will service your equipment or provide technical assistance with any
problems that cannot be handled locally.
Any units returned to Federal Signal for service, inspection, or repair must be accompanied
by a Return Material Authorization. This R.M.A. can be obtained from the local Distributor or
Manufacturer's Representative.
At this time a brief explanation of the service requested, or the nature of the malfunction,
should be provided.
Address all communications and shipments to:
for explosion-proof installation
FEDERAL SIGNAL CORPORATION
Electrical Products Division
Service Department
2645 Federal Signal Drive
University Park, IL 60466-3195
CAUTION
CAUTION
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