42004-644L2D

42004-644L2D
Pub. 42004-644L2D
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
7245-004 Indoor Remote Subset
Amplifier Enclosure
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 7245-004 Indoor Remote Subset Amplifier Enclosure is intended for use in GAI-Tronics Page/Party®
and SmartSeries systems. This enclosure enables the amplifier, speaker, and field cabling of subset
stations to be remotely mounted. It is constructed of fabricated steel and is equipped with a 24-position
remote subset connector.
System Requirements and Limitations
For proper operation, the 7245-004 Amplifier Enclosure must be installed with a subset and amplifier
from the following list:
Subsets:
Amplifiers:

726-101 Single Party Desktop Subset

723-001 Remote Subset Amplifier

7265-101 Multi-Party Desktop Subset

723-901 SmartSeries Remote Subset Amplifier

711-102 Single Party Desk-Edge Subset

7115-102 Multi-Party Desk-Edge Subset

716-102 Single Party Flush-Mount Subset

7165-102 Multi-Party Flush-Mount Subset
The amplifier enclosure must be mounted within 8 feet of the subset due to the subset cable limitations.
In addition, the amplifier enclosure must be mounted at an indoor location - the amplifier enclosure is not
designed for outdoor use.
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374  800-492-1212  Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
7245-004 Indoor Remote Subset Amplifier Enclosure
Pub. 42004-644L2D
Page 2 of 12
In order to provide SmartSeries features, the amplifier enclosure must be connected to a 723-901 Remote
SmartSeries Subset Amplifier. The SmartVolume feature is not supported for the 7265-101 or the
726-101 Subset and 723-901 SmartSeries Remote Subset Amplifier combinations. Also, the
SmartVolume feature is not supported for multiple speaker applications.
The 723-901 Remote Subset Amplifier is designed only for use with the magnetic hookswitch subsets
listed in the System Requirements section of this manual. Subsets containing an RF hookswitch are not
supported.
In order to provide Page/Party® features, the amplifier enclosure must be connected to a 723-001 Remote
Subset Amplifier or the 723-901 Remote Subset Amplifier.
Figure 1. 7245-004 Indoor Remote Subset Amplifier Enclosure Mounting Details
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
7245-004 Indoor Remote Subset Amplifier Enclosure
Pub. 42004-644L2D
Page 3 of 12
Features and Functions
The 7245-004 Indoor Remote Subset Amplifier Enclosure provides terminations for the following:

Connectorized subset cabling

System cabling

Plug-in remote amplifier

Auxiliary input signals (SmartSeries stations only)

External speaker(s)
Description of Major Components
For the following discussion, refer to Figure 2, which provides a block diagram of the enclosure. The
7245-004 Amplifier Enclosure can be divided into three primary sections. Each of these sections is
described below.
Subset Connector - The 24-position subset connector J2 links the remote subset with the amplifier
and enclosure. This interface enables the microphone, receiver, hookswitch, page switch, party line,
speaker, and auxiliary input signals of the subset to be connected to the amplifier and system cabling.
Amplifier Connector - The 24-position amplifier connector J1 links the amplifier with the subset and
system cabling. This interface enables the ac power, microphone, receiver, hookswitch, page switch,
party line, page line, speaker, mute, and auxiliary input signals of the amplifier to be connected to the
subset and system cabling.
Terminal blocks - TB1 and TB2 provide connection points for the system cable, an 8-ohm or 16-ohm
speaker, and the auxiliary inputs signals. In addition, the terminal blocks provide connectivity to the
subset receptacle and remote subset amplifier connector.
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
7245-004 Indoor Remote Subset Amplifier Enclosure
Block Diagram
Figure 2. Block Diagram
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
Pub. 42004-644L2D
Page 4 of 12
Pub. 42004-644L2D
Page 5 of 12
7245-004 Indoor Remote Subset Amplifier Enclosure
Installation
WARNING
Do not install this equipment in hazardous areas. Installations in nonapproved hazardous areas may cause a safety hazard and consequent injury or property damage.
General Information
Refer to the system layout diagrams for typical single party and multi-party system diagrams. These
diagrams and the instructions that follow will assist you in installing the 7245-004 Enclosure. For
additional system installation, operation, and maintenance information consult Pub. 42004-139,
Installation of GTC 700 Series Page/Party® Systems Manual.
When installing an add-on station, consult the system layout diagrams at the end of this manual. These
figures, when used in conjunction with the station installation information and cable layout guide, should
provide all the information necessary to install additional stations.
System layout and power cable length are very important when installing SmartSeries and Page/Party®
equipment. Although it varies for different systems, the general guideline is that the most distant station
should not exceed 1 mile [5280 feet (1600 m)] from the line balance assembly in Page/Party® systems, or
the Page/Party® Interface in SmartSeries systems.
SmartSeries stations require 120 V ac power. The typical ac input current for Page/Party® and
SmartSeries stations is less than 0.5 ARMS at full power output. GAI-Tronics system cable contains a No.
14 AWG wire triplet for distributing ac power to the stations. This wire can carry a maximum of
15 amps. Therefore, up to 30 SmartSeries stations can be connected to a single power circuit. Additional
stations must be powered by additional power circuits. Refer to the table below for power calculations.
Voltage drop must also be taken into consideration for long cable runs. The minimum operating voltage
for a GAI-Tronics station is 90 V ac and the resistance of No. 14 AWG cable is 26.8 ohms per loop mile.
Contact your nearest GAI-Tronics representative if you require assistance with system layout.
Table 1.
Page/Party® Zone Power Calculation Table
The maximum power in any leg of a zone is limited to 120 V ac at 15 amps due to the wire size
(No. 14 AWG) in the system cable. Therefore, the following calculations must be made when
determining the maximum number and type of units in a leg of the zone.
Number of handset stations, speaker amplifiers, _______
or SmartSeries Remote Terminal Units:
Total current (<15 amps): _______
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
 0.50 amp = ________
7245-004 Indoor Remote Subset Amplifier Enclosure
Pub. 42004-644L2D
Page 6 of 12
Mounting
Refer to Figure 3 for a typical installation of desk-edge or desktop subsets stations in the knee-well of the
desk. Refer to Figure 4 for a typical installation of flush-mount subset stations. Place the enclosure in a
location that provides easy installation and removal of the connectorized subset cabling, the plug-in
amplifier, the speaker cabling, and the system cabling.
NOTE: The GAI-Tronics subsets designed for use with this enclosure contain 8-foot (244 cm)
connectorized cables. This enclosure must be mounted within reach of these cables.
Figure 3. Typical Desk-edge Installation
Figure 4. Typical Flush-mount Installation
The 7245-004 Indoor Enclosure is 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. Avoid the top center as it may
interfere with the plug-in amplifier receptacle.
In extreme environments, extra precautions should be taken to improve system reliability. Whenever
possible, do not install conduit from the top. Side or bottom entry helps to prevent moisture from
dripping onto the terminals or printed circuit boards.
There are four 0.312-inch diameter mounting holes in the corners of the amplifier enclosure. See Figure 1
for hole pattern dimensions. When mounting the enclosure, use caution to avoid damaging the terminal
blocks inside. Install the connector guard over the remote cable plug using the screws provided as shown
in Figure 1 to comply with NRTL requirements.
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
7245-004 Indoor Remote Subset Amplifier Enclosure
Pub. 42004-644L2D
Page 7 of 12
Wiring
Feed the system wiring into the enclosure. Strip the insulation on each conductor of the system cable.
Install a ring lug on the ground conductor (GRN/YW wire). The wires must be spade-lugged and
connected carefully and completely to the terminal blocks in accordance with the colors indicated on the
system layout diagrams at the end of this manual. An improper termination may result in diminished
station performance.
Feed the speaker wiring into the enclosure. Strip the insulation on each conductor of the speaker cable.
Install spade lugs on each conductor. Connect the speaker wires of an 8-ohm speaker between the TB1-4
(speaker common) and TB1-5 (8-ohm) or connect the speaker wires of a 16-ohm speaker between the
TB1-4 (speaker common) and TB1-6 (16-ohm).
1. Set the speaker muting control to the desired location. Refer to the Local Muting and Mutual Muting
sections for details.
2. Plug the subset connector into the J2 receptacle located at the bottom of the enclosure. Secure the
connector with the connector guard and screws provided. See Figure 1.
3. Insert the plug-in amplifier into the J1 receptacle of the enclosure and secure the amplifier with four
screws.
Local Muting
Figure 5 illustrates local speaker muting when stations are completely assembled and paging operation
occurs. Normally, when the station button is pressed, the paging speaker connected to that station is
silenced (muted) to prevent acoustic feedback to the handset microphone. However, while the handset is
in use for party line conversations, the paging speaker is “live” to enable paging calls from other stations.
To disable the mute feature, follow these instructions:
1. Locate the lugged violet wire attached to terminal point 7 (mute) on the terminal block within the
enclosure.
2. Transfer the lugged violet wire to terminal point 8 (Page L1).
After any muting changes are made, unpack the station amplifier and install.
Mutual Muting
In the event that feedback occurs within an area and repositioning of the system speakers does not help,
mutual muting may be used to correct this problem.
Perform the following steps to mutually mute the adjacent amplifiers/handsets within a zone.
1. Ensure that the purple lugged wire is connected to terminal 7 of TB1.
2. Connect terminal TB1-7 of the handset station to TB1-7 of the station within the zone that is causing
feedback. This is done by using the spare system wire (orange conductor) from within the system
cable that runs between the stations.
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
7245-004 Indoor Remote Subset Amplifier Enclosure
Figure 5. Enclosure Wiring Details
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
Pub. 42004-644L2D
Page 8 of 12
Pub. 42004-644L2D
Page 9 of 12
7245-004 Indoor Remote Subset Amplifier Enclosure
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.
In addition, the following procedure can be used to keep your system operating effectively.
WARNING
Before performing any of the following preventive maintenance steps, remove
all power from the station.
1. Remove the amplifier from the enclosure.
2. Visually check the interior of the enclosure for signs of contamination such as dust, condensation or
process liquid.
3. Using the No. 10440-003 Maintenance Cable, plug the amplifier into the connector in the enclosure.
Check, and if necessary, adjust the amplifier to maximize performance.
4. Reinstall the amplifier in the enclosure. Ensure that all gaskets and hardware are in place. Failure to
install the gaskets, which also act as spacers, can result in damage to the connectors on the amplifiers
and inside the enclosures and can cause system faults.
It may become necessary to re-terminate some or all of the enclosures in a system. If so, strip the wires
back to clean copper and connect only one wire to each connector to allow for easier future
troubleshooting.
Troubleshooting
The following table lists some hints to aid technicians in troubleshooting.
Table 2.
Problem
Solution
Feedback occurs only
during page.
Use the muting feature in the amplifier enclosure at the terminal blocks.
Connect the violet wire at terminal 8 to terminal 7, or reposition the speaker.
In some cases, the speaker of a nearby station may have to be repositioned.
Crosstalk occurs.
One or more system cable pairs may be improperly terminated or a fault
exists somewhere else in the system. Visually inspect the system cable
connections for accidental crossing of the cable pairs or grounds.
Remote subset is
inoperable.

Verify that the connector of the remote subset is securely connected to the
subset receptacle of the enclosure.

Remove the amplifier from the enclosure. Re-install the amplifier
ensuring the enclosure connector and the amplifier connector are aligned
properly.

Remove the amplifier and verify the lugged auxiliary input wires are
properly terminated on terminal points TB1-10 and TB1-11 respectively.

Verify the auxiliary inputs have been enabled in the system software.
Auxiliary inputs do not
operate.
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
Pub. 42004-644L2D
Page 10 of 12
7245-004 Indoor Remote Subset Amplifier Enclosure
Specifications
Mechanical
Construction/finish................................................... 16-gauge cold-rolled steel/textured gray polyurethane
Mounting .......................................... Wall or column, four 0.312-inch (7.92 mm) diameter mounting holes
Connections............................................................................... Internal screw-type barrier terminal blocks;
24-pin subset connector
Dimensions ................................................................ 8.1 H  8.1 W  5.1 D inches (206  206  129 mm)
Shipping weight .................................................................................................................... 6.0 lbs. (2.7 kg)
Net weight ............................................................................................................................. 5.1 lbs. (2.3 kg)
Environmental
Temperature range ............................................................................ −22 F to +158 F (−30 C to +70 C)
Relative humidity ....................................................................................... Non-condensing 85% maximum
Indoor environmental rating ........................................................................ Meets the requirements of IP20
Approvals
Approval .......... NRTL certified for use in US and Canada .................... Class I, Div. 2, Groups A, B, C, D
Replacement Parts
Part Number
Description
12535-001
Hardware for Harness Assembly
61511-007
Harness Assembly
12508-002
Screw Kit (32 pack)
10440-003
Maintenance Extension Cable (24-pin)
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
7245-004 Indoor Remote Subset Amplifier Enclosure
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
Pub. 42004-644L2D
Page 11 of 12
7245-004 Indoor Remote Subset Amplifier Enclosure
f:\standard ioms - current release\42004 instr. manuals\42004-644l2d.doc
07/12
Pub. 42004-644L2D
Page 12 of 12
Warranty
Equipment.
GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any
GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall
comply with the then-current product specifications and product literature, and if applicable, shall be fit
for the purpose specified in the agreed upon quotation or proposal document. If (a) Seller’s goods prove
to be defective in workmanship and/or material under normal and proper usage, or unfit for the purpose
specified and agreed upon, and (b) Buyer’s claim is made within the warranty period set forth above,
Buyer may return such goods to GAI-Tronics nearest depot repair facility, freight prepaid, at which time
they will be repaired or replaced, at Seller’s option, without charge to Buyer. Repair or replacement shall
be Buyer’s sole and exclusive remedy. The warranty period on any repaired or replacement equipment
shall be the greater of the ninety (90) day repair warranty or one (1) year from the date the original
equipment was shipped. In no event shall GAI-Tronics warranty obligations with respect to equipment
exceed 100% of the total cost of the equipment supplied hereunder. Buyer may also be entitled to the
manufacturer’s warranty on any third-party goods supplied by GAI-Tronics hereunder. The applicability
of any such third-party warranty will be determined by GAI-Tronics.
Services.
Any services GAI-Tronics provides hereunder, whether directly or through subcontractors,
shall be performed in accordance with the standard of care with which such services are normally
provided in the industry. If the services fail to meet the applicable industry standard, GAI-Tronics will reperform such services at no cost to buyer to correct said deficiency to Company's satisfaction provided
any and all issues are identified prior to the demobilization of the Contractor's personnel from the work
site. Re-performance of services shall be Buyer's sole and exclusive remedy, and in no event shall GAITronics warranty obligations with respect to services exceed 100% of the total cost of the services
provided hereunder.
Warranty Periods.
Every claim by Buyer alleging a defect in the goods and/or services provided
hereunder shall be deemed waived unless such claim is made in writing within the applicable warranty
periods as set forth above. Provided, however, that if the defect complained of is latent and not
discoverable within the above warranty periods, every claim arising on account of such latent defect shall
be deemed waived unless it is made in writing within a reasonable time after such latent defect is or
should have been discovered by Buyer.
Limitations / Exclusions.
The warranties herein shall not apply to, and GAI-Tronics shall not be
responsible for, any damage to the goods or failure of the services supplied hereunder, to the extent
caused by Buyer’s neglect, failure to follow operational and maintenance procedures provided with the
equipment, or the use of technicians not specifically authorized by GAI-Tronics to maintain or service the
equipment. THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE IN LIEU OF AND
EXCLUDE ALL OTHER WARRANTIES AND REMEDIES, WHETHER EXPRESS OR IMPLIED BY
OPERATION OF LAW OR OTHERWISE, INCLUDING ANY WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Return Policy
If the equipment requires service, contact your Regional Service Center for a return authorization number
(RA#). Equipment should be shipped prepaid to GAI-Tronics with a return authorization number and a
purchase order number. If the equipment is under warranty, repairs or a replacement will be made in
accordance with the warranty policy set forth above. Please include a written explanation of all defects to
assist our technicians in their troubleshooting efforts.
Call 800-492-1212 (inside the USA) or 610-777-1374 (outside the USA) for help identifying the
Regional Service Center closest to you.
(Rev. 10/06)
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement