Vertiv™ NetSure™ +24 VDC to -48 VDC Converter System Installation and User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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4.3
Shelf(s) Grounding (Frame Ground) Connection
For shelf grounding requirements, refer to the current edition of the American National Standards Institute (ANSI) approved National
Fire Protection Association's (NFPA) National Electrical Code (NEC), applicable local codes, and your specific site requirements.
NOTE!
The DC return connection to this system can remain isolated from system frame and chassis (DC-I).
NOTE!
If desired, connect the output return bar at the rear of the shelf to the facility ground bar.
NOTE!
This system is suitable for installation as part of the Common Bonding Network (CBN).
1/4-20 x 0.5” studs on 5/8” center are provided for installation of a customer provided frame ground lead terminated in a 2-hole lug.
Procedure
1.
For shelf(s) grounding (frame ground) connection, refer to Figure 4.1.
Figure 4.1: Shelf(s) Grounding (Frame Ground) Connection
Frame Ground
Lead Enters Here
Frame Ground
* 1/4-20 x 0.5” studs on 5/8” center
for installation of lead with 2-hole lug.
* Torque to 84 in-lbs.
Rear panels removed in illustration.
Rear
584622100 / 584622200 shown.
584622300 / 584622400 similar.
NOTE: Connection to facility ground bar, if desired.
* 1/4-20 x 0.5” studs on 5/8” center for the facility ground bar
* Torque to 58 in-lbs.
See Note