Wiring the Sunny Boy
SMA America, LLC
60
SB20_25_30HFUS-eng-IUS113711
Installation Guide
6.7.2 Connecting the Sunny Boy on the AC side
Use the following procedure to connect the AC wires to the Sunny Boy with the SMA DC-Disconnect:
Connecting the AC output of the Sunny Boy to the terminal block
1. Connect the N wire (white wire) of the Sunny Boy
to the terminal (A).
2. Connect the L1 wire (black wire) of the Sunny Boy
to the terminal (B).
3. Connect the L2 wire (red wire) of the Sunny Boy to
the terminal (C).
WARNING
You must connect the wires that carry the AC voltage from the Sunny Boy to the power
distribution grid in the order described in this procedure. Deviating from this procedure
could expose you to lethal voltages that can cause serious injury and/or death.