Crown CTs 2000 Operation Manual page 160

D. TESTING/OPERATING.
Under certain conditions these devices are capable of producing sounds loud enough to cause
should be worn if standing within close proximity to device
1. After installation is complete, be sure to test the system to verify that each speaker operates
satisfactorily. Reinstall the housing cover.
Property damage, serious injury, or death could occur if the housing is not closed properly. To
2. After completion of initial system test, establish a program for periodic testing of this
device. Refer to NFPA72G, local Fire Codes and the authority having jurisdiction for this
information.
3. Provide a copy of these instructions for the Safety Engineer, system operator(s) and
maintenance personnel.
Even if your warning system is operating properly, it may not be
completely effective. People may not hear or heed your warning
E. MAINTENANCE.
Failure to follow all safety precautions and instructions may result in property damage, serious
injury, or death to you or others.
• Read and understand all instructions before performing maintenance
on this unit.
• Do not perform maintenance on this unit when circuits are energized.
• Periodic checks should be made to ensure that effectiveness of this device has not been reduced
because speaker has become clogged with a foreign substance or because objects have been
placed in front of the speaker.
• Any maintenance to this unit MUST be performed by a trained electrician in accordance with
NEC guidelines and local codes.
• Never alter this unit in any manner. Safety in hazardous locations may be jeopardized if additional
openings or alterations are made to this device.
• The nameplates, which contain cautionary or other information of importance to maintenance
personnel, should not be obscured if exterior of device is painted.
hearing damage. Adequate hearing protection
while testing. Recommendations in the OSHA Sound
Level Standard (29 CFR 1910) should
reduce possibility of explosion, housing cover
must be kept tight (all eight bolts fully tightened) while
circuits are energized.
SAFETY MESSAGE TO OPERATORS
signal. You must recognize this fact and ensure that your
warning signal achieves its intended effect through
proper test/training sequences within
your specific application(s).
SAFETY MESSAGE TO MAINTENANCE
WARNING
not be exceeded.
WARNING
PERSONNEL
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