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Model 703-002 and 7335-002 Multi-Party
24 V DC Amplifier Enclosures
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 following GAI-Tronics amplifier enclosures are covered in this manual:
Model
Description
703-002
Indoor Amplifier Enclosure, 24 V dc input
7335-002
Weatherproof Non-metallic Amplifier Enclosure; 24 V dc input
The amplifier enclosure is an important component of the 700 Series Page/Party
enclosures are configured for multi-party systems and can accommodate conversations on up to five party
lines simultaneously. The Model 703-002 Indoor Amplifier Enclosure is made of fabricated steel. The
Model 7335-002 Outdoor Enclosure is made of weatherproof and corrosion-resistant glass-reinforced
polyester. Both types of enclosures are equipped with terminal strips for connecting inter-station cable.
The Model 701 Series Amplifiers mate directly with these enclosures.
Installation
The GAI-Tronics 24 V dc series of Page/Party
rechargeable battery. A battery charger may be connected to the battery to maintain the charge.
CAUTION
Under NO condition should this equipment be operated from a battery charger without the batteries
connected.
Most chargers have an unloaded output of 35 to 45 volts which can quickly damage the equipment designed
for nominal 24 volts. To maintain a proper state of battery charge, the voltage across the batteries will be
somewhat greater than 24 volts, but should never exceed 28.8 V dc.
Grounding the negative side of the battery system at only one point is recommended and will ensure hum-
and noise-free operation.
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 n 800-492-1212 n Fax: 610-775-6540
V
ISIT WWW
G A I - T R O N I C S ® C O R P O R A T I O N
A H U B B E L L C O M P A N Y
®
system equipment is designed to operate from a 24 volt dc
.
-
.
GAI
TRONICS
COM FOR PRODUCT LITERATURE AND MANUALS
Pub. 42004-141C
®
System. These
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Related Manuals for Hubbell GAI-TRONICS 703-002
Summary of Contents for Hubbell GAI-TRONICS 703-002
- Page 1 Pub. 42004-141C G A I - T R O N I C S ® C O R P O R A T I O N A H U B B E L L C O M P A N Y Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Confidentiality Notice...
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Page 2: Enclosure Placement
Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 2 of 9 In 24-volt systems, plan on several branch lines from the dc source with no more than six stations per branch. One branch could span up to 4,000 feet for a single station. The Maximum Cable Distance Table lists the limits. - Page 3 Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 3 of 9 Mounting These enclosures are not supplied with openings for conduit or cable. Drill or punch these openings using the supplied template before mounting the enclosure. The best location for the conduit holes is along the top or bottom of the enclosure and near the rear surface.
- Page 4 Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 4 of 9 Figure 2. Model 7335-002 Outdoor Enclosure Mounting Details Wiring Attach conduit to the enclosure. Feed the wiring through the conduit, and bring it into the enclosure. See Figure 3.
- Page 5 Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 5 of 9 Figure 3 shows how to mute the local speaker when the stations are fully assembled and paging operation occurs. Normally, when the 700 Series station push-to-page button is pressed, the paging speaker connected to that station is silenced (muted) to prevent acoustic feedback to the handset microphone.
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Page 6: Maintenance
Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 6 of 9 Maintenance Regular inspection and a good preventive maintenance program will increase the reliability of your GAI-Tronics station. The GAI-Tronics Field Service Department can formulate a service contract suited to your facility’s specific need for preventive maintenance. -
Page 7: Specifications
Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 7 of 9 Specifications Model 703-002 Indoor Enclosure Construction/finish..........16-gauge cold-rolled steel; textured gray polyurethane Mounting ................Wall or column, four 5/16-inch mounting holes Connections ................Internal screw-type barrier terminal blocks External controls...................... - Page 8 Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 8 of 9 f:\standard ioms - drafts\instr. manuals (42004)\42004-141c\42004-141c.doc 01/03...
- Page 9 Pub. 42004-141C Model 703-002 and 7335-002 Multi-Party 24 V DC Amplifier Enclosures Page: 9 of 9 f:\standard ioms - drafts\instr. manuals (42004)\42004-141c\42004-141c.doc 01/03...
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