Summary of Contents for IED Globalcom DNA7874L
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Page 1: Installation Instructions
IED GLOBALCOM Installation Instructions Digital Network 4ch Power Amplifier DNA7874L / DNA7874H / DNA7814H REV: 02-13 DOC1212B ©2013, Innovative Electronic Designs, LLC... - Page 2 DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS Copyright © 2013 Innovative Electronic Designs, LLC. All Rights Reserved If this document is distributed with software that includes an end user agreement, this document, as well as the software described in it, is furnished under license and may be used or copied only in accordance with the terms of such license. Except as permit- ted by any such license, no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, storage in an information retrieval system, or otherwise, without the prior written permission of Innovative Electronic Designs, LLC.
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Page 3: Table Of Contents
INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ..................2 SAFETY SYMBOLS ......................2 SAFETY CONSIDERATIONS ......................3 SAFETY PRECAUTIONS ..................... 3 GENERAL PRECAUTIONS ....................3 02-13 PRECAUTIONS ......................3 PRECAUTIONS WHEN MEASURING HIGH VOLTAGE POTENTIALS ........ 4 PRECAUTIONS WHEN WORKING ON ENERGIZED EQUIPMENT ........ -
Page 4: Important Safety Instructions
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or Keep these instructions. sold with the apparatus. When a cart is used, Heed all warnings. -
Page 5: Safety Considerations
INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER SAFETY CONSIDERATIONS SAFETY PRECAUTIONS Personnel properly qualified in the application and use of life safety equipment (“qualified personnel”) shall read this manual carefully before performing any actions to specify, apply, install, maintain and perform op- erational tests of IED systems, and associated products in accordance with the instructions in this manual. -
Page 6: Precautions When Measuring High Voltage Potentials
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS d. Check the procedures. Study the entire procedure before taking the first step. Consult the circuit dia- gram frequently to obtain an understanding of what is accomplished at each step. Know what is in the equipment and how it differs from others on which you have worked. -
Page 7: Resuscitation
The DNA7874 amplifiers provide 200 watts per channel for 70.7 volt transformer-distributed loudspeaker systems. The DNA7814 amplifier provides 200 watts per channel for 100 volt transformer-distributed loud- speaker systems. The model DNA7874L operates from a 120 VAC power source. The DNA7874H and DNA7814H models operate from a 240 VAC power source. DNA7874L... -
Page 8: Connections
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS CONNECTIONS TMP1 CRD1 TST-FLT FAN1 GF-1A GF-1B TMP2 CRD2 GND-FLT FAN2 GF-2A GF-2B DIGITAL NETWORK AMPLIFIER onto owered AMP 1 TMP1 CRD1 TST-FLT FAN1 GF-1A GF-1B AMP 2 TMP2 CRD2 GND-FLT FAN2 GF-2A GF-2B DIGITAL NETWORK AMPLIFIER... - Page 9 INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER Amplifier Card 1 Indicator The device contains two separate internal power amplifier cards, each with two output channels. This LED panel indicates the status of amplifier card 1. Green – Indicates signal present on channel A (–39dBu) Yellow –...
- Page 10 DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS This is the secondary port and should only be used in applications that utilize a redundant network topology. It is critical that the primary and secondary Ethernet ports are never connected to the same the same network or vLAN.
- Page 11 12. AC Power Connector This socket is used to provide AC power to the device using the supplied power cord. The DNA7874L uses a Volex 17504 power cord for 120VAC operation. The DNA7874H and DNA7814H use a Volex 17850 for 240VAC operation.
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Page 12: Dna78X4 Installation
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS 21. GF-1A This LED will illuminate when a ground fault is present on the A channel of amplifier card 1. A ground fault condition exists when either the + or – sides of the loudspeaker line are shorted to ground. -
Page 13: Connect Loudspeakers
INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER Figure 4 - Mounting Unit in a Rack CONNECT LOUDSPEAKERS Loudspeaker cables are connected using the supplied 4-position Phoenix plugs. Ensure that the proper polarity is maintained throughout all terminations. Use a stranded 2-conductor unshielded wire of a gauge appropriate to the loudspeaker load and wire length. -
Page 14: Optional - Connect Fault Relay
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS Figure 6 - Primary Network Cable Connection Figure 7 - Secondary Network Cable Connection OPTIONAL – CONNECT FAULT RELAY The fault relay is located on the back of the unit and can be used to signal a fault condition to an external supervision system. -
Page 15: Optional - Connect Ambient Sensors
INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER Figure 8 - Connecting the Fault Relay OPTIONAL - CONNECT AMBIENT SENSORS Connect 540S ambient sensors using the supplied 3-position Phoenix plug. Ensure that the connections are made to match the terminals on the 540S sensor. The following wiring scheme is recommended if using 3-conductor shielded audio cable. -
Page 16: Connect Power Plug
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS CONNECT POWER PLUG Figure 10 - Connect AC Power Plug Connect the supplied AC power cable to the back of the unit as shown in Figure 10. Connect the other end of the cable to a suitable power outlet on a circuit of sufficient power capacity. Figure 11 - Power Switch Turn the unit on using the power switch located on the rear of the unit. -
Page 17: Specifications
Speaker (2) ......................4-pin Phoenix (2ch per block) Fault Relay (1) .....................3-pin Phoenix, 3.81mm spacing Ambient Sensors (8) ...................3-pin Phoenix, 3.81mm spacing AC Power DNA7874L (120VAC) ......................Volex 17504 DNA7874H/DNA7814H (240VAC) ..................Volex 17850 Controls and Indicators AC Power ........................... Rear panel switch Power On (2, 1 per internal card)...................... -
Page 18: Warranty And Service
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER INSTALLATION INSTRUCTIONS Environmental Specifications Operating Temperature Range ................(0 °C – +40 °C) +32 °F – +104 °F Applicable for typical voice paging and background music applications. Storage Temperature Range ................. (–40 °C – +70 °C) –40 °F – +158 °F COMPLIANCE SAFETY: UL60065... - Page 19 INSTALLATION INSTRUCTIONS DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER REV: 02-13 DOC1212B PAGE...
- Page 20 Innovative Electronic Designs, LLC +1.502.267.7436 phone 9701 Taylorsville Road +1.502.267.9070 fax Louisville, KY 40299, USA www.iedaudio.com REV: 02-13 DOC1212B ©2013, Innovative Electronic Designs, LLC...