2561188B
REV. B 4/00
Printed in U.S.A.
INSTALLATION INSTRUCTIONS
FOR
MODEL AM302 and AM302GCX AUDIOMASTER® SPEAKER
WARNING
Failure to follow all safety precautions and instructions may result in
property damage, serious injury, or death to you or others.
SAFETY MESSAGE TO INSTALLERS
Peoples 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 electrician who is thoroughly
familiar with the National Electric Code and will follow the NEC
guidelines as well as local codes.
The selection of the mounting location for the device, its controls
and 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 precautions
you should follow:
• Read and understand all instructions before installing or operating
this equipment.
• This unit must be installed by a qualified electrician in accordance
with National and local Electrical Codes, under the direction of
the authority having jurisdiction.
• Do not connect this unit to the system when power is on.
• All effective warning speakers produce loud sounds which may
cause, in certain situations, permanent hearing loss. You should
take appropriate precautions such as wearing hearing protection.
• After installation, test the sound system to ensure proper opera-
tion.
• All effective warning speakers produce loud sounds, which may
cause, in certain situations, permanent hearing loss. The device
should be installed far enough away from potential listeners to
limit their exposure while still maintaining its effectiveness. The
OSHA Code of Federal Regulations 1910.95 Noise Standard
provides guidelines which may be used regarding permissible
noise exposure levels.
• Show these instructions to your Safety Engineer and then file
them in a safe place and refer to them when maintaining and/or
reinstalling the unit.
• After installation and completion of initial system test, a program
for periodic testing of this device must be established. Refer to the
authority having jurisdiction for this information.
• Consult the authority having jurisdiction in your area regarding
the proper use and installation of this product.
I. GENERAL.
The AudioMaster Model AM302 and AM302GCX are 25 Vrms
and 70 Vrms, indoor/outdoor rated, selectable power output (7 to
30 watts) loudspeakers for use with general utility signaling
systems such as Federal Signal’s SelecTone system. They are
designed to reproduce electronically generated warning tones,
which command rapid recognition, and full range voice communi-
cation. They are suitable for use in areas with high ambient noise
levels. The speaker projector is adjustable and may be reposi-
tioned to obtain desired sound distribution.
The AM302GCX is suitable for use in Class I, Groups A, B, C, &
D, Division 2; Class II, Groups F & G, Division 2; and Class III
Hazardous (Classified) Locations.
II. SPECIFICATIONS.
Operating Voltage 25 Vrms or 70 Vrms
Power Input (selectable) 7 W, 15 W, and 30 W
Weight (approx.) 7 lb. (3.2kg)
Size 14" (356mm) high, 10" (254mm)
wide, 11" (279mm) deep.
Construction Aluminum enclosure painted
with grey electrostatic powder
coating. Amplifier housing
sealed with neoprene rubber
gasket.
Audibility information is shown in table 1.
III. INSTALLATION.
A.Unpacking.
After unpacking the speaker, examine it carefully for possible
damage that may have occurred in transit. If equipment has
been damaged, immediately file a claim with the carrier stating
extent of damage. Carefully check all shipping labels and tags
for special instructions before removing or destroying them.
B. Mounting Arrangements (see figure 1).
CAUTION
To maintain the hazardous location rating of the Model
AM302GCX, do not use the 7/8" knockout (concealed conduit
mounting).
The speaker can be mounted on any relatively flat surface.
Conduit connection can be made to 1/2" threaded opening at
bottom of housing or to 7/8" knockout in rear of housing. After
the mounting location and mounting method have been
selected, proceed with the applicable instructions below.
FEDERAL SIGNAL CORPORATION
Electrical Products Division
POWER SOUND LEVEL dB(A)
TAP @ 10' on axis
7 watt 104
15 watt 109
30 watt 112
Table 1. Power Tap Settings vx. Sound Output on Models AM302 and
AM302GCX