SMA Technologie AG Installation
Installation Guide SB40TL_50TL-IEN081211 25
6. Secure the Sunny Boy with a screw.
The screw must meet the following requirements:
7. Ensure that it is securely tightened.
Length: min. 100 mm
Diameter: 8 mm
Screw head: not hexagon head,
not countersunk
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