Wiring the Sunny Boy
SB3000US-4000US-11-SE1607 SMA America 5-1
Section 5:
Wiring the Sunny Boy
This section provides step-by-step procedures and other information required for
wiring the Sunny Boy to the PV array and the utility grid. To complete the installation
in a safe and efficient manner, complete the steps in the order that they appear.
WARNING: Before connecting or operating the
Sunny Boy, read all of the instructions, cautions,
and warnings on the Sunny Boy, the PV array and
in this Installation Guide.
WARNING: You must connect the wires that carry
the AC voltage from the Sunny Boy to the utility grid
and the wires that carry the DC voltage from the PV
array to the Sunny Boy in the order described in the
procedures in this section. Deviating from these pro-
cedures could expose you to lethal voltage that can
cause serious injury.
WARNING: Always turn OFF all breakers and
switches in the PV system before connecting any
wires to or disconnecting any wires from the Sunny
Boy.
For inverters provided with a fixed AC output:
Note: The AC input and AC output circuits are isolated from
the enclosure and system grounding, if required by section
250 of the National Electric Code, ANSI/NFPA 70, is the
responsibility of the installer.
Note: The Photovoltaic 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.
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