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INSTALLATION INSTRUCTIONS FOR SELECTONE® MODELS 300GCX AND 302GCX
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 electrician 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 precautions 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 speaker.
You should ensure that the front of the speaker is clear of any obstructions.
• 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.
• 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.
• 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.
I. GENERAL.
The Model 300GCX and 302GCX are selectable tone audible signals designed for use in Division
2 Hazardous Locations. They provide safety when used as signals where flammable dusts, liquids,
and gases are normally confined within closed containers or systems but may be present in case of
accidental rupture or spillage.
Unique and distinctive tones are produced by plug-in modules. Each plug-in tone module, which
produces the individual signal sounds, contains built-in automatic control circuitry to vary the
frequency of an individual selected tone. It is particularly useful in situations which require a
distinctive tone, such as areas of high noise level or where a different sound is required to be
distinguished from other nearby signals. Refer to tone module sales bulletin for additional
information.
Models 300GCX and 302GCX have UL approval for use in Class I Groups A, B, C, and D,
Division 2, and Class II Groups F and G, Division 2, and Class III Hazardous Locations.
II. SPECIFICATIONS.
Operating Voltage
Current Requirements
Model 300GCX Series A2 and C
SAFETY MESSAGE TO INSTALLERS
-1-
24VDC, 24VAC, 120VAC, or 240VAC
24VDC - 550mA
24VAC - 1.25 Amperes, 50/60Hz
120VAC - 270mA, 50/60Hz
240VAC - 120mA, 50/60Hz
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