SMA SUNNY BOY 4000-US - Opening the Sunny Boy; Opening the SMA DC Disconnect

SMA America, LLC Electrical connection
Installation Guide SB30-40US-IUS103030 37
6.4 Opening the Sunny Boy
1. Remove the four screws from the housing cover.
2. Pull the cover forward smoothly.
3. Put the cover, the screws and the washers aside. Ensure
that they do not get lost.
6.5 Opening the SMA DC Disconnect
1. Turn the SMA DC Disconnect to position "0".
2. Loosen screw in the right area of the SMA DC Disconnect with a small phillips screwdriver.
3. Remove the screw and the washer from the bottom side of the SMA DC Disconnect, that fasten
the cover.
Do not remove the screw.
• Check if you can remove the knob of the SMA DC Disconnect.
• If not, unscrew the screw further until you can remove the knob.
The screw is attached with a rubber washer in order to make the assembly easier.
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