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Pub.: 42004-692L2C 

GAI-Tronics Corporation  400 E. Wyomissing Ave.  Mohnton, PA  19540  USA 

610-777-1374  

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  800-492-1212  

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  Fax:  610-796-5954 

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ISIT WWW

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GAI

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TRONICS

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COM FOR PRODUCT LITERATURE AND MANUALS

 

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 DEX-103 and DEX-203  

Hazardous Area Driller’s Intercom Stations 

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A B L E   O F  

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O N T E N T S

 

Confidentiality Notice .....................................................................................................................1

 

General Information .......................................................................................................................1

 

Product Overview ................................................................................................................................... 1

 

System Requirements and Limitations ................................................................................................. 1

 

Features and Functions .......................................................................................................................... 2

 

Available Models..................................................................................................................................... 2

 

Description of Major Components ........................................................................................................ 2

 

Installation ......................................................................................................................................3

 

General Information............................................................................................................................... 3

 

Mounting.................................................................................................................................................. 5

 

Conduit Installation ................................................................................................................................ 5

 

Field Wire Installation............................................................................................................................ 6

 

Power........................................................................................................................................................ 7

 

Model DEX-203 ...................................................................................................................................................7

 

Model DEX-103 ...................................................................................................................................................7

 

Auxiliary Devices .................................................................................................................................... 8

 

System Interconnection .......................................................................................................................... 9

 

Operation.......................................................................................................................................10

 

Intercom Communication Modes ........................................................................................................ 10

 

Volume Control ..................................................................................................................................................11

 

Paging .................................................................................................................................................................11

 

Alarms and Music...............................................................................................................................................11

 

Maintenance..................................................................................................................................12

 

General Information............................................................................................................................. 12

 

Troubleshooting .................................................................................................................................... 12

 

Specifications ................................................................................................................................13

 

Summary of Contents for DEX-103

Page 1: ...N T E N T S Confidentiality Notice 1 General Information 1 Product Overview 1 System Requirements and Limitations 1 Features and Functions 2 Available Models 2 Description of Major Components 2 Insta...

Page 2: ...ing platforms especially in hazardous areas It provides all call group call and point to point communications and is available in digital and analog versions The enclosure is rated IP56 and is factory...

Page 3: ...ac ATEX Description of Major Components The Driller s Intercom stations consist of a factory sealed enclosure top and a termination enclosure bottom Refer to Figure 1 for details The factory sealed co...

Page 4: ...e applying power verify that the bolts on the factory sealed section of the station are set at 30 ft lbs This station has a highly sensitive microphone that allows the user to communicate at a distanc...

Page 5: ...Pub 42004 692L2C MODEL DEX 103 AND DEX 203 DRILLER S INTERCOM STATIONS Page 4 of 13 f standard ioms current release 42004 instr manuals 42004 692l2c doc 11 10 Figure 2 Driller s Intercom Outline...

Page 6: ...Securely fasten the factory sealed and termination enclosures to the mounting location using steel mounting bolts and washers or washer head bolts hardware not included Conduit Installation Install t...

Page 7: ...nclosure Make all connections as described below NOTE All field wiring is to be completed in the termination enclosure bottom enclosure only NOTE Consult the National Electrical Codes and local codes...

Page 8: ...ated 24 V dc power source Additional power feeds may be required to increase the system distance and or the number of stations NOTE Isolated dc power sources must be used for this installation The 24...

Page 9: ...mination of a 2 conductor twisted pair cable on system terminals A and B only Analog stations require termination of a 4 conductor twisted pair cable A B twist C D twist on system terminals A D Refer...

Page 10: ...rd ioms current release 42004 instr manuals 42004 692l2c doc 11 10 System Interconnection Refer to Figure 6 for a typical system wiring diagram Consult the central switch manual for further details on...

Page 11: ...can be activated for a variety of conditions Refer to the Attendant Contacts section of the Central Switch manual for details 3 Depress and hold the T button or the footswitch and speak into the micro...

Page 12: ...decreased Increase the volume by simultaneously depressing the V and B buttons Decrease the volume by simultaneously depressing the V and C buttons The volume level setting range is between 0 and 9 an...

Page 13: ...ion Refer to the Volume Configuration section of the Central Manual for details High speaker volume Decrease the actual and or maximum volume settings in the configuration Refer to the Volume Configur...

Page 14: ...amplifier Frequency response 200 4 000 Hz 3 dB ref 1 kHz Speaker amplifier Output Class AB 18 watts min into 8 ohms with nominal supply voltage Frequency response 200 10 000 Hz 3 dB ref 1 kHz Distort...

Page 15: ...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 GAI Tronics warranty obligations with respect to services e...

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