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INSTALLATION INSTRUCTIONS FOR RESONATING HORN
People's lives depend on your safe installation of our products. It is important to follow
all instructions shipped with the products. This device is to be installed by a trained elec-
trician who is thoroughly familiar with the National Electrical Code and will follow the
NEC Guidelines as well as local codes.
The selection of the mounting location for the device, its controls and the routing of the
wiring is to be accomplished under the direction of the Facilities Engineer and the Safety
Engineer. In addition, listed below are some other important safety instructions and pre-
cautions you should follow:
• Read and understand all instructions before installing or operating this equipment.
• Do not connect this unit to the system when power is on.
• Optimum sound distribution will be severely reduced if any objects are in front of the
horn. You should ensure that the front of the horn is clear of any obstructions.
• All effective warning horns produce loud sounds which may cause, in certain situa-
tions,
permanent hearing loss. You should take appropriate precautions such as wearing hear-
ing protection.
• After installation, ensure that all bolts and threaded joints are tightened.
• Establish a procedure to routinely check the sound system for proper activation
and operation.
• Provide a copy of these instructions to the Safety Engineer, operator(s) and
maintenance personnel.
• File these instructions in a safe place and refer to them when maintaining and/or
reinstalling the device.
Failure to follow all safety precautions and instructions may result in property damage,
serious injury, or death to you or others.
A. General.
The horn mounting system is designed to allow the horn to vibrate freely. Do not
install the horn without this system or allow the horn housing or projector to come in
contact with anything that will damp the vibration or rattle against the horn.
B. Installation.
1. Mount housing brackets to rear of horn housing, using the three 1/4-20 bolts and
nuts furnished.
2. Mount the wall bracket to a selected location using suitable bolts or screws.
Mount on solid support free from vibration.
3. Assemble swivel to wall bracket and to housing bracket using the two 3/8 bolts
and nuts furnished. Place the two large cut lockwashers between the swivel and
the lugs on the wall bracket and housing bracket to lock the horn in place. Point
the projector in the desired direction and tighten the swivel bolts securely. The
projector must be pointed at least 10° downward to prevent entrance of dirt or
moisture into the horn.
SAFETY MESSAGE TO INSTALLERS
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