Vertiv™ NetSure™ -48 VDC GMT Distribution Unit Installation and User Manual
Proprietary and Confidential © 2023 Vertiv Group Corp.
TABLE OF CONTENTS
Admonishments Used in this Document ............................................................................................................................. iv
Important Safety Instructions .................................................................................................................................................. v
Safety Admonishments Definitions .......................................................................................................................................................................................................................... v
Safety and Regulatory Statements ........................................................................................................................................................................................................................... v
Déclarations de Sécurité et de Réglementation ........................................................................................................................................................................................... v
1 Description ................................................................................................................................................................................1
2 Specifications ...........................................................................................................................................................................1
2.1 Electrical ................................................................................................................................................................................................................................................................................. 1
2.2 Environmental .................................................................................................................................................................................................................................................................. 2
2.3 Compliance Information .......................................................................................................................................................................................................................................... 2
2.4 Dimensions and Weight .......................................................................................................................................................................................................................................... 2
3 Accessories .............................................................................................................................................................................. 3
3.1 Mounting Brackets and Adapters.................................................................................................................................................................................................................. 3
3.1.1 23” Mounting Bracket Adapter Plates, P/N 563148 ................................................................................................................................................ 3
3.1.2 23” Offset Mounting Bracket Adapter, P/N SXA2300278................................................................................................................................. 3
3.1.3 Special 19” Mounting Brackets, P/N SXA2300282 .................................................................................................................................................. 3
3.2 GMT Load Distribution Fuses ........................................................................................................................................................................................................................... 3
3.3 Lugs ..................................................................................................................................................................................................................................................................................4
4 Installing the Distribution Unit .......................................................................................................................................... 4
4.1 General ..................................................................................................................................................................................................................................................................................4
4.2 Securing the Distribution Unit to a Relay Rack or a Cabinet Equipment Rack (if required)..................................................................4
4.3 Installing Fuses ................................................................................................................................................................................................................................................................ 6
5 Making Electrical Connections ......................................................................................................................................... 7
5.1 Important Safety Instructions ............................................................................................................................................................................................................................ 7
5.2 Wiring Considerations............................................................................................................................................................................................................................................... 7
5.3 Relay Rack / Cabinet Frame Grounding Connection................................................................................................................................................................... 7
5.4 Distribution Unit Frame Grounding Connection .............................................................................................................................................................................. 7
5.5 External Fuse Alarm Connections ................................................................................................................................................................................................................. 8
5.6 Load Distribution Wiring to GMT Fuse Blocks .................................................................................................................................................................................. 8
5.7 Input Wiring ........................................................................................................................................................................................................................................................................ 9
6 Initial Startup .......................................................................................................................................................................... 11
7 Troubleshooting and Repair ............................................................................................................................................. 11
7.1 Contact Information .................................................................................................................................................................................................................................................. 11
7.2 Replacement Procedures .................................................................................................................................................................................................................................... 11
7.2.1 Replacing a Distribution Device.............................................................................................................................................................................................. 11