SMA America, LLC
Opening and closing
Installation Guide
SB20_25_30HFUS-eng-IUS113711
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8.4.2 Unlocking and switching on the Sunny Boy
1. Open and remove the padlock on the switch of the
SMA DC-Disconnect switch.
2. Push the handle of the SMA DC-Disconnect into the
SMA DC-Disconnect and turn to the ”On” position.
☑ The Sunny Boy is unlocked and connected.
WARNING
High voltages in the PV plant. Death or serious injuries.
• Before reconnecting the Sunny Boy, ensure that all work on the PV sytem is
completed.