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Summary of Contents for Federal Signal Corporation ez1 echo
- Page 1 INSTALLATION AND SERVICE INSTRUCTIONS MODEL EZ1 ECHO INTERCOMS 2561956B REV B 812 Printed in U.S.A.
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Page 3: Installation
INSTALLATION AND SERVICE INSTRUCTIONS MODEL EZ1 ECHO INTERCOMS SAFETY MESSAGE TO INSTALLERS, USERS AND MAINTENANCE PERSONNEL It is important to follow all instructions shipped with this product. This device is to be installed by a trained electrician who is thoroughly familiar with the Country Electric Codes and will follow the guidelines as well as local codes. - Page 4 ates when the intercom is in ring mode. A single N.O. contact is provided, rated at 250 volts a.c. / 3 amps. This module is fully encapsulated and an internal fuse protects the contacts. In the event of a fuse failure, the module must be disconnected and replaced. This station must be powered from an Echo Central Control. The data/power is supplied from the Central Control line cards. Please refer to the instructions pro- vided with the Central Control for full operational details of the Echo system.
- Page 5 MAINTENANCE. SAFETY MESSAGE TO MAINTENANCE PERSONNEL Listed below are some important safety instructions and precautions you should follow: • Read and understand all instructions before operating this system. • Any maintenance to the intercom system must be done with the power turned off. Power to relay contact must also be disconnected as this is externally supplied. • Any maintenance to the intercom system must be performed by a trained electrician in accordance with Country Electrical Guidelines and local codes. • Never alter the unit in any manner. Safety may be endangered if ad- ditional openings or other alterations are made to units. •...
- Page 6 Disconnect the 2-way microphone socket block from the audio distribu- tion board. Remove the three M4 nuts that retain the microphone to the fascia. Fit new microphone by reversing the above procedure. Ensure that the sealing gasket is fitted properly between the microphone base and the fascia. Re-connect the 2-way socket block and re-install cover. Test unit for proper operation after replacement is complete. C. Gooseneck Microphone Replacement. Loosen the four M6 fixing screws from the cover and open the unit right to left. Disconnect and remove the 2-way microphone socket block from the audio distribution board. Unscrew the gooseneck microphone assembly from the front cover and withdraw the cable. Fit new microphone by reversing the above procedure. Ensure that the sealing washer is fitted properly between the microphone base and the enclosure.
- Page 7 Disconnect the 10-way IDC connector from the keypad. Remove the p- clip that retains the keypad wire harness. Remove the four M3 fixing screws and remove the encapsulation cham- ber cover to gain access to the field wiring terminal block. Disconnect and label all field wiring from the twelve-pole terminal. If small jumpers are fitted, remove and re-use these in the new assembly. Remove locknut from M20 adapter inside the potted PCB enclosure. Remove the six M4 fixing screws that retain the potted PCB assembly to the molded housing. Remove the potted PCB assembly and replace with new part. Install new part by reversing the above procedure. Be sure to observe polarity of power/data line when reconnecting field wiring. 10. Test unit for proper operation after replacement is complete.
- Page 8 indicates suitability for use in the presence of gases Special conditions for safe use: All terminals, used and unused shall be fully tightened down. The power supplied to this unit from the central control module must not exceed 28 Vdc, 100 mA. Condições especiais para o Uso Seguro: Todas as terminais, estejam as mesmas em uso ou não, devem estar completamente parafusadas. A fonte de alimentação conectada a esta unidade desde o módulo de controle central não deverá...
- Page 9 CENTRAL SAFE AREA CONTROL EExe / EExd MODULE APPROVED LOUDSPEAKER V.max 28 VDC I.max 100mA EExe / EExd APPROVED AUDIBLE / VISUAL DEVICE 240Vac 3Amp MAX. UP TO 48 ECHO EExe TERMINAL STATIONS BLOCK INTERFACE OUTPUT ADVIZOR MODULE POTTED PCB METAL SECTION ENCLOSURE I.S.
- Page 10 EARTH WIRE - 1.5mm MIN SECTION AUDIO DISTRIBUTION INTERFACE PCB ENCAPSULATED MODULE 2-WAY 10-WAY CONNECTORS (KEYPAD or SWITCH) DISTRIBUTION YELLOW WHITE BLACK GREY BROWN ORANGE FACIA (STAINLESS STEEL) OPTIONS: GREEN TERMINAL 4-WAY TO HANDSET / HEADSET BLOCK 1 2 3 4 5 6 7 8 9 10 11 12 2-WAY TO MICROPHONE.
- Page 11 POTTED PCB ASSEMBLY POTTED RELAY MODULE DO NOT OPEN WHEN ENERGISED AUDIO DISTRIBUTION PCB M6 EARTH M20 THREADED ADAPTER STUD FIELD WIRING TERMINAL BLOCK SPEED DIAL.1 KEYPAD SPEED PAGE PRIORTY DIAL.2 TALK CANCEL VOLUME VOLUME E C H O M6 FIXING SCREWS 290A4986B...
- Page 12 Industrial Systems 2645 Federal Signal Drive • University Park, IL 60484-3167 Tel: 708-534-4756 • Fax: 708-534-4852 Email: elp@federalsignal.com • www.federalsignal-indust.com...
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