Vertiv | NetSure™ 8200 Series -48 VDC Power System Installation Manual (IM582140000) | Rev. A
MAKING ELECTRICAL CONNECTIONS
Important Safety Instructions
DANGER! Adhere to the “Important Safety Instructions” starting on page 7.
Wiring Considerations
For recommended wire sizes, crimp lugs, branch circuit protection, alarm relay contact ratings, and general
wiring information and restrictions; refer to System Application Guide SAG582140000.
Lugs should be crimped per lug manufacturer’s specifications.
All wiring and branch circuit protection should follow the current edition of the American National Standards
Institute (ANSI) approved National Fire Protection Association's (NPFA) National Electrical Code (NEC), and
applicable local codes. For operation in countries where the NEC is not recognized, follow applicable codes.
For field wiring, use wires suitable for at least 75°C.
Bay-to-Bay Interconnections
A bay-to-bay interconnect cable must be installed between all bays comprising the system, as detailed
in the following procedure.
It is recommended to place the primary power/distribution bay or primary power only bay on the far right or far
left end of the bay line-up, and to expand the system to the left or right of the primary power/distribution bay or
primary power only bay. This allows simple cable connections between bays. For this configuration, use the
bay-to-bay interconnect cables factory furnished with each secondary power/distribution bay or secondary
power only bay.
The primary power/distribution bay or primary power only bay may be placed in the middle of the bay line-up,
expanding the system to the left and right of the primary power/distribution bay or primary power only bay. In
this configuration, bay-to-bay cabling MUST start with the primary power/distribution bay or primary power
only bay, then each secondary power/distribution bay or secondary power only bay and distribution only bay is
daisy-chained into the cabling string. This configuration requires some of the network cables to be a different
length then the standard length cable factory furnished with each secondary power/distribution bay and
secondary power only bay and distribution only bay. These cables should have been specified when the
system was ordered. Refer to System Application Guide SAG582140000 for available interconnect cable
lengths and part numbers.
Procedure
NOTE! Refer to
Figure 78
as this procedure is performed.
1. Open all bays' front doors.
2. Connect a furnished interconnect cable (this is a yellow cable) between each bay as follows.
a) Connect one end of the cable to the CAN port connector in the primary power/distribution bay or
primary power only bay.
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