Hubbell GAI-Tronics 700 Page/Party Series Manual
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700 Series Page/Party
Confidentiality Notice .....................................................................................................................1
General Information .......................................................................................................................1
Design Considerations ....................................................................................................................2
Electrical Noise ........................................................................................................................................ 2
System Cable ........................................................................................................................................... 3
Installation ......................................................................................................................................3
Station and Speaker Amplifier Enclosures ........................................................................................... 3
Line Balance Assembly ........................................................................................................................... 4
Inter-station Conduit and Cable ............................................................................................................ 4
Automatic Speaker Muting .................................................................................................................... 5
Checkout and Adjustment ..................................................................................................................... 5
Line Balance Adjustment ....................................................................................................................... 5
System Troubleshooting ..................................................................................................................6
Hum or Buzz ............................................................................................................................................ 6
Feedback or Distortion in the System ................................................................................................... 6
Very Low Audio Level on One or More Lines at all Stations ............................................................. 7
Cross Talk ................................................................................................................................................ 7
Static Charges.......................................................................................................................................... 7
Audio Voltage .......................................................................................................................................... 7
One Inoperative Station in a Working System ..................................................................................... 7
Special Installation Notes ...............................................................................................................7
Safe Power Connection/Disconnection ..........................................................................................8
Power Distribution Recommendations ...........................................................................................8
Connection Diagrams .....................................................................................................................9
GAI-Tronics 3030 Kutztown Road, Reading, PA 19605 USA
610-777-1374 ◼ 800-492-1212 ◼ Fax 610-796-5954
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System Design
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Pub. 42004-139E
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Table of Contents
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Summary of Contents for Hubbell GAI-Tronics 700 Page/Party Series
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Page 1: Table Of Contents
One Inoperative Station in a Working System ..................7 Special Installation Notes .......................7 Safe Power Connection/Disconnection ..................8 Power Distribution Recommendations ...................8 Connection Diagrams ........................9 GAI-Tronics 3030 Kutztown Road, Reading, PA 19605 USA 610-777-1374 ◼ 800-492-1212 ◼ Fax 610-796-5954 ISIT WWW HUBBELL TRONICS EN FOR PRODUCT LITERATURE AND MANUALS... -
Page 2: Confidentiality Notice
Refer to Pub. 42004-135, Speaker Installation, or consult with a GAI-Tronics sales representative for additional system planning information. GAI-Tronics 3030 Kutztown Road, Reading, PA 19605 USA 610-777-1374 ◼ 800-492-1212 ◼ Fax 610-796-5954 ISIT WWW HUBBELL TRONICS EN FOR PRODUCT LITERATURE AND MANUALS... -
Page 3: Design Considerations
Pub. 42004-139E ® 700 Series Page/Party System Design Page 2 of 10 Design Considerations Electrical Noise Consider the following suggestions to avoid electrical noise caused by slip rings and SCR (silicon control rectifier) power supplies. Slip Rings—Use an RF (radio frequency) alternative and avoid using slip rings as audio conductors. Slip rings are a source of electrical noise and are not reliable. -
Page 4: System Cable
Pub. 42004-139E ® 700 Series Page/Party System Design Page 3 of 10 System Cable Wire all units in parallel. Good planning minimizes the required cable for the installation. GAI-Tronics supplies multi-conductor cable, specifically for this application. The number, size, and color-coding of the conductors are in the accompanying system connection diagrams (see Figure 1 and Figure 2). -
Page 5: Line Balance Assembly
Pub. 42004-139E ® 700 Series Page/Party System Design Page 4 of 10 Line Balance Assembly Each GAI-Tronics Page/Party system requires one line balance assembly. Its function is to properly load the page and party line circuits. When using GAI-Tronics standard cable, select a location that is: •... -
Page 6: Automatic Speaker Muting
Pub. 42004-139E ® 700 Series Page/Party System Design Page 5 of 10 Automatic Speaker Muting One of the many features of GAI-Tronics’ Page/Party system equipment is automatic speaker muting. When the push-to-page switch is pressed at a particular station, the paging speaker connected to that station is silenced to prevent acoustic feedback to the handset microphone. -
Page 7: System Troubleshooting
Pub. 42004-139E ® 700 Series Page/Party System Design Page 6 of 10 Each handset/speaker station amplifier has two additional internal controls: receiver volume control and receiver sidetone control, both accessible using a screwdriver through the holes in the chassis. A third hole allows similar access from the rear of the paging speaker volume control. -
Page 8: Very Low Audio Level On One Or More Lines At All Stations
Pub. 42004-139E ® 700 Series Page/Party System Design Page 7 of 10 Very Low Audio Level on One or More Lines at all Stations It is possible for the system, or part of the system, to function with a dead short across the page or party line circuits. -
Page 9: Safe Power Connection/Disconnection
Pub. 42004-139E ® 700 Series Page/Party System Design Page 8 of 10 The most applicable parts of the Canadian code are in Section 18. Some, but not all, significant points are: • Conduits, in a Class I, Division 2 area, to or from a non-hazardous area or an adjacent Class I, Division 1 area, must have approved seals, in the boundary. -
Page 10: Connection Diagrams
Pub. 42004-139E 700 Series Page/Party® System Design Page 9 of 10 Connection Diagrams Figure 1. Multi-Party Connection Diagram... - Page 11 Pub. 42004-139E 700 Series Page/Party® System Design Page 10 of 10 Figure 2. Single Party Connection Diagram...
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