Pub. 42004-367C
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Model 703-006
Multi-Party Amplifier Enclosure
Confidential ity 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 703-006 Multi-Party Amplifier Enclosure is a component of the 700 Series Page/Party
system. This enclosure is configured for multi-party systems and can accommodate conversations on up
to five party lines simultaneously.
The Model 703-006 is constructed of fabricated steel and is extremely weatherproof and corrosionresistant. It is equipped with terminal strips for connecting system cable. The Page/Party
amplifiers mate directly with this enclosure.
®
Series
Installation
CAUTION
indicated on the approval listing in the “Specifications” section of this manual. Such installation
may cause a safety hazard and consequent injury or property damage.
WARNING
Do not disconnect equipment while energized.
Insure proper grounding to protective earthing.
When installing an add-on station, consult the appropriate system layout diagrams. These figures, when
used in conjunction with the station installation information and cable layout guide, should provide all the
information necessary to install additional Page/Party stations.
Do not install this equipment in hazardous areas or other than those
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
V
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Enclosure Placement
All GAI-Tronics Page/Party® units are wired in parallel. Good system layout design minimizes the cable
required for each installation. GAI-Tronics multi-conductor cable, designed especially for this
application, is recommended. The number, size, and color-coding of conductors are listed in the system
connection diagrams.
System layout and power cable length are very important when installing Page/Party equipment.
Although it varies for different systems, the general guideline is that the total power cable length should
not exceed one mile (5280 feet) for 120 V ac systems. The total cable length is the most important
consideration while cable length between the stations is generally not a factor.
Mounting
The Model 703-006 Enclosure is not supplied with conduit or cable openings. Drill or punch these
openings using Figure 1 before mounting the enclosure. Whenever possible, do not enter an enclosure
from the top: side or bottom entry helps to prevent moisture from dripping onto the terminals or PCBAs.
The entry holes should be placed on the enclosure per Figure 1.
Plain entry holes must maintain the following:
The plain hole shall be no larger than 0.7 mm above the major diameter of the entry thread.
The gland or stopping plug is secured internally by a locknut, such that the gland or stopping plug
will be not dislodged by a 7 N-m impact.
The enclosure will be maintained at IP 66 by a suitable sealing washer under the shoulder of the cable
gland or conduit hub.
The customer may drill plain entry holes in the enclosure providing they are in accordance with the
relevant code of practice and comply with the details shown in Figure 1. When mixed entries are
accommodated on a face they must be in the positions shown in this manual for the largest gland entry on
that face. For complex mixed entries, contact GAI-Tronics Technical Sales. Entries into the enclosure
must be via a suitable approved entry device. All unused entry holes must be fitted with a stopping plug
with a certification equal to that of the enclosure’s ATEX certification. The stopping plug shall be held in
place by a locknut.
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Figure 1. Acceptable Entry Locations
N
OTE: It is recommended that no more than two M40 glands be installed on the bottom face of the
enclosure.
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