SMA ST6-US - Manual (Page 33)

SMA America, LLC Electrical connection
Installation Guide ST36-48US-IA-IUS112321 33
7.6 Wiring Connections to the Sunny Boy
The AC and DC system cables are already pre-wired to the inverter mounting locations of the Sunny
Tower.
In addition to this manual, refer to the SB 6000US/SB 7000US/SB 8000US manual for instructions
on wiring the AC and DC cables inside the inverters and configuring the AC voltage of the inverter.
Information on this subject can be read in the appropriate section.
The AC/DC disconnect serves to simultaneously disconnect the AC and DC connections.
Position Description
A DC cable
B AC cable
C AC/DC Disconnect
D Communicaton cable
The DC input and AC output circuits are isolated from the enclosure and system grounding.
If an alternative grounding scheme is required, it is the responsibility of the installer.
The PV-system grounding shall be installed per the requirements of sections 690.41
through 690.47 of the National Electric Code, ANSI/NFPA 70, and is the responsibility
of the installer.
The National Electrical Code, ANSI/NFPA 70, wiring methods are to be used.