GAI-Tronics 670-001 Manual

Explosion-proof Speaker Station

Confidentiality Notice

This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information that is confidential and proprietary to GAI-Tronics.
GAI-Tronics retains all intellectual property and other rights in or to the information contained herein,
and such information may only be used in connection with the operation of your GAI-Tronics product or
system. This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any
third party.

General Information

The Model 670-001 Explosion-proof Speaker Station provides safe and clear communications in
hazardous areas, even in high-noise situations. This model is NRTL certified for use in the US and
Canada for the following areas: Class I, Div. 1, Groups C and D; Class II, Div. 1, Groups E, F, and G; and
Class III, Div. 1.
The Model 670-001 station enclosure is fabricated from cast aluminum and is suitable for indoor use. If
the station is to be mounted outdoors, it should be housed in a GAI-Tronics Model 10444-003
Weatherproof Non-metallic Enclosure. This enclosure is rated NEMA 4X, and can be purchased
separately.
This installation manual provides instructions on both the placement and mounting of the stations. Refer
to Pub. 42004-185 and 42004-237 (Canada), which show the conduit installation and station wiring
details necessary to maintain the explosion-proof integrity of the station.
WARNING
Explosion Hazard – Do not connect or disconnect equipment unless power
has been switched off or the area is known to be non-hazardous.
Installation
Whether installing an entire system or only an add-on station, consult the system layout diagrams at the
end of this manual. These figures, used in conjunction with the station installation information and the
cable layout guide, should provide all the information necessary to install the Page/Party
figures do not show an explosion-proof station; however, the basic points of the system layout and design
still apply.
NOTE
A separate power feed is recommended for Page/Party
a separate power feed, the Page/Party
disrupting the power supply to the other equipment in the Div. 1 area.
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Model 670-001
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stations can be shut off for service or maintenance without
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stations in Div. 1 areas. With
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Pub. 42004-161D
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stations. These