Vertiv 584622100 User manual

NetSure™ +24 VDC to -48 VDC
Converter System
Installation and User Manual
Specification Number: 584622100 (19” Main Shelf)
584622200 (19” Expansion Shelf)
584622300 (23” Main Shelf)
584622400 (23” Expansion Shelf)
Model Number: DCS48375

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
The information contained in this document is subject to change without
notice and may not be suitable for all applications. While every precaution has
been taken to ensure the accuracy and completeness of this document, Vertiv
assumes no responsibility and disclaims all liability for damages resulting from
use of this information or for any errors or omissions. Refer to other local
practices or building codes as applicable for the correct methods, tools, and
materials to be used in performing procedures not specifically described in
this document.
The products covered by this instruction manual are manufactured and/or
sold by Vertiv. This document is the property of Vertiv and contains
confidential and proprietary information owned by Vertiv. Any copying, use or
disclosure of it without the written permission of Vertiv is strictly prohibited.
Names of companies and products are trademarks or registered trademarks of
the respective companies. Any questions regarding usage of trademark
names should be directed to the original manufacturer.
Technical Support Site
If you encounter any installation or operational issues with your product, check the pertinent section of this
manual to see if the issue can be resolved by following outlined procedures.
Visit https://www.vertiv.com/en-us/support/ for additional assistance.

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TABLE OF CONTENTS
Admonishments Used in this Document..............................................................................................................................v
Important Safety Instructions.................................................................................................................................................vi
1Description and Installation Acceptance Checklist...................................................................................................1
1.1 System Description ......................................................................................................................................................................................................................................................1
1.2 Installation Acceptance Checklist.................................................................................................................................................................................................................2
2Installing the System ............................................................................................................................................................3
2.1 General Requirements..............................................................................................................................................................................................................................................3
2.2 Installing Optional Wiring Access Cover on Top of Shelf(s), If Desired.....................................................................................................................4
2.3 Mounting the Shelf(s)...............................................................................................................................................................................................................................................5
2.4 Securing the Expansion Shelf(s) to a Relay Rack and Installing the Expansion Wiring Cover on the Main Shelf.............6
2.5 Installing Optional Lug Adapter Busbar Kits .......................................................................................................................................................................................7
2.6 Installing Bullet Nose Circuit Breakers and/or Fuseholders (with TPS/TPL Fuses)......................................................................................8
2.7 Installing an Optional Bullet Nose GMT Fuse Block..................................................................................................................................................................10
3Setting Jumper and Switch Options.............................................................................................................................12
3.1 Jumper and Switch Settings on the System Interface Circuit Card............................................................................................................................12
4Making Electrical Connections .......................................................................................................................................14
4.1 Admonishments ..........................................................................................................................................................................................................................................................14
4.2 Wiring Considerations............................................................................................................................................................................................................................................14
4.3 Shelf(s) Grounding (Frame Ground) Connection.........................................................................................................................................................................15
4.4 External Alarm, Reference, Monitoring and Control Connections ...............................................................................................................................16
4.5 Load Connections ..................................................................................................................................................................................................................................................... 18
4.6 Expansion Shelf(s) Interconnections .....................................................................................................................................................................................................20
4.7 DC Input Connections ...........................................................................................................................................................................................................................................22
5Installing the Converter Modules and Initially Starting the System................................................................ 24
5.1 Installing Converter Modules.........................................................................................................................................................................................................................24
5.2 Initially Starting and Checking System Operation ......................................................................................................................................................................25
5.2.1 Initial Startup Preparation............................................................................................................................................................................................................25
5.2.2 Initially Starting the System.......................................................................................................................................................................................................25
5.2.3 Checking System Status...............................................................................................................................................................................................................25
6Operating Procedures....................................................................................................................................................... 26
6.1 Converter Modules...................................................................................................................................................................................................................................................26
6.2 Using the Converter System with an ACU+ Controller..........................................................................................................................................................26
6.3 Local Indicators and Test Points.................................................................................................................................................................................................................26
6.3.1 Local Indicators.....................................................................................................................................................................................................................................26
6.3.2 Test Points.................................................................................................................................................................................................................................................27
7Maintenance..........................................................................................................................................................................28
7.1 Admonishments ..........................................................................................................................................................................................................................................................28
7.2 System Maintenance Procedures...............................................................................................................................................................................................................28
8Troubleshooting and Repair ...........................................................................................................................................28
8.1 Contact Information.................................................................................................................................................................................................................................................28
8.2 Admonishments ..........................................................................................................................................................................................................................................................28
8.3 Converter Modules...................................................................................................................................................................................................................................................28

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8.4 System Troubleshooting Information .....................................................................................................................................................................................................28
8.5 Replacement Information...................................................................................................................................................................................................................................29
8.6 Replacement Procedures...................................................................................................................................................................................................................................29
8.6.1 Replacing a Converter Module ...............................................................................................................................................................................................29
8.6.2 Replacing a Distribution Device.............................................................................................................................................................................................29
8.6.3 Replacing the System Interface Circuit Card.............................................................................................................................................................31

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
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Admonishments Used in this Document
DANGER!
Warns of a hazard the reader will be exposed to that will likely result
in death or serious injury if not avoided. (ANSI, OSHA)
WARNING!
Warns of a potential hazard the reader may be exposed to that could
result in
death or serious injury if not avoided. This admonition is not used for situations that pose a
risk only to equipment, software, data, or service. (ANSI)
CAUTION!
Warns of a potential hazard the reader may be exposed to that could
result in minor or moderate injury if not avoided. (ANSI, OSHA) This admonition is not
used for situations that pose a risk only to equipment, data, or service, even if such use
appears to be permitted in some of the applicable standards. (OSHA)
ALERT!
Alerts the reader to an action that must be avoided in order to protect
equipment, software, data, or service. (ISO)
ALERT!
Alerts the reader to an action that must be performed in order to prevent
equipment damage, software corruption, data loss, or service interruption. (ISO)
FIRE SAFETY!
Informs the reader of fire safety information, reminders, precautions,
or policies,
or of the locations of fire-fighting and fire-safety equipment. (ISO)
SAFETY!
Informs the reader of general safety information, reminders, precautions, or
policies not related to a particular source of hazard or to fire safety. (ISO, ANSI, OSHA)

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
vi
Important Safety Instructions
Safety Admonishments Definitions
Definitions of the safety admonishments used in this document are listed under “Admonishments Used in this Document” on page v.
Safety and Regulatory Statements
Refer to Section 4154 (provided with your customer documentation) for Safety and Regulatory Statements.
Déclarations de Sécurité et de Réglementation
Reportez-vous à la Section 4154 (fourni avec les documents de votre client) pour les déclarations de sécurité et de réglementation.

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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1Description and Installation Acceptance Checklist
1.1 System Description
+24 VDC to -48 VDC @ up to 375 A Converter System.
The NetSure™ DCS48375 Converter System is comprised of a main shelf and up to two (2) expansion shelves. Each shelf provides
mounting positions for up to four (4) converter modules. Each shelf also provides a 15 position distribution row (19” version) or 20
position distribution row (23” version) which accepts bullet nose circuit breakers and TPS/TLS fuseholders. A GMT fuse block option
is also available.
NOTE! Refer to SAG584622100 (System Application Guide) for additional system information.
NOTE! Refer to UM1C24481500 (Converter Module User Instructions) for converter module information.
Converter Operation
The converter modules, when used in this system, revert to their default overvoltage and overcurrent setpoints since they are
initialized without communications to a controller. Reference to a controller in the Converter Module User Instructions do not pertain
to this system, since this system is a stand-alone system and does not include a controller.
•The selective overvoltage shutdown still functions, only the converter module causing the high voltage condition shuts down.
•The converter modules will share load until each reaches its power limit (1500 watts) or current limit point (31.25 A)

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
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1.2 Installation Acceptance Checklist
Provided below is an Installation Acceptance Checklist. This checklist helps ensure proper installation and initial operation of the
system. As the procedures presented in this document are completed, check the appropriate box on this list. If the procedure is not
required to be performed for your installation site, also check the box in this list to indicate that the procedure was read. When
installation is done, ensure that each block in this list has been checked. Some of these procedures may have been factory performed
for you.
NOTE! The system is not powered up until the end of this checklist.
NOTE! Some of these procedures may have been factory performed.
Installing the System
Optional Wiring Access Panel Installed on Top of Shelf(s), if desired
Main Shelf Secured to Relay Rack
Expansion Shelf(s) Secured to Relay Rack (if furnished)
and Expansion Wiring Cover installed on Main Shelf
Optional Lug Adapter Busbar Kits Installed
Bullet Nose Circuit Breakers Installed
Bullet Nose Fuseholders and TPS/TLS Fuses Installed
Optional Bullet Nose GMT Fuse Block Installed (if furnished)
Setting Jumper and Switch Options
Jumper on System Interface Circuit Card Set
Switches on System Interface Circuit Card Set
Making Electrical Connections
Shelf(s) Grounding (Frame Ground) Connection Made
External Alarm, Reference, Monitoring, and Control Connections Made
Load Connections Made
Expansion Shelf(s) Interconnections Made (if furnished)
DC Input Connections Made
Installing the Converter Modules and Initially Starting the System
Converter Modules Installed
System Started and Checked

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
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2Installing the System
2.1 General Requirements
•The shelf is designed for mounting in a 19-inch or 23-inch wide relay rack with 1-3/4 inch multiple drilling.
•The installer should be familiar with the installation requirements and techniques to be used in securing the shelf(s) to a relay
rack.
•This product is intended only for installation in a Restricted Access Location on or above a non-combustible surface.
•This product must be located in a Controlled Environment with access to Craftspersons only.
•This product is intended for installation in Network Telecommunication Facilities (CO, vault, hut, or other environmentally
controlled electronic equipment enclosure).
•This product is intended to be connected to the common bonding network in a Network Telecommunication Facility (CO,
vault, hut, or other environmentally controlled electronic equipment enclosure).
•Typical industry standards recommend minimum aisle space clearance of 2'6" for the front of the relay rack and 2' for the rear
of the relay rack.
•Converter module and mounting shelf ventilating openings must not be blocked and temperature of air entering system must
not exceed rated Operating Ambient Temperature Range found in SAG584622100.

Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
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2.2 Installing Optional Wiring Access Cover on Top of Shelf(s), If Desired
The optional wiring access cover is a 1U high panel that is installed on top of the shelf(s) to allow greater access to load distribution
return connection points.
Procedure
1. To install the optional wiring access cover, perform the procedure in Figure 2.1.
Figure 2.1: Installing Optional Wiring Access Cover