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WARNING
An uninsulated section of a single conductor must NOT be looped around a terminal and used as two
separate connections. NFPA 72 requires that the wire is severed to provide electrical
supervision of the connection.
2. The AM300 and AM300GCX are factory configured for 25 Vrms operation. If 70 Vrms
operation is desired, remove the wire leading to the speaker from the terminal marked 25V
and connect it to the terminal marked 70 V. (see figure 3).
WARNING
Property damage, serious injury or death could occur if the housing is not closed properly.
To reduce the possibility of explosion, the Model AM300GCX’s housing cover must
be kept tight while circuits are energized.
3. Be sure the neoprene rubber cover gasket is properly seated in the housing groove and
reinstall housing cover.
IV. TESTING/OPERATING.
WARNING
Under certain conditions these devices are capable of producing sounds loud enough to cause
hearing damage. Adequate hearing protection should be worn if standing within close proximity
to device while testing. Recommendations in the OSHA Sound Level Standard
(29 CFR 1910) should not be exceeded.
A.After installation is complete, be sure to test the system to verify that each speaker operates
satisfactorily. If it is found that the unit is too loud for its location, a lower wattage tap may be
selected. Carefully remove the housing cover and move the positive (+) lead to a lower wattage
tap (see figure 3). Reinstall the housing cover and retest.
WARNING
Property damage, serious injury or death could occur if the housing is not closed properly.
To reduce the possibility of explosion, the Model AM300GCX’s housing cover must
be kept tight while circuits are energized.
B. After completion of initial system test, establish a program for periodic testing of this device.
C. Provide a copy of these instructions for the Safety Engineer, system operator(s) and
maintenance personnel.
SAFETY MESSAGE TO OPERATORS
Even if your warning system is operating properly, it may not be completely effective. People may
not hear or heed your warning 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).
V. MAINTENANCE.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
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.
• To reduce the risk of electrical shock, or ignition of hazardous atmospheres, do not perform
maintenance or service 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.
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