SMA DU-SC-US - Manual (Page 32)

Preparing the Disconnect Unit for Installation SMA America, LLC
32 DISU_SCUS-AP-eng-IUS110911 Unpacking
11. For the Disconnect Unit for Sunny Central 500HE-
US/CA/CP: Make sure that the grounding strap at
the clamp of the AC switch is correctly connected to
the flap and that it is not jammed between enclosure
and flap. Close the flap after check.