SMA Sunny Central 250U Installation Manual page 26

5 Installation of the Disconnect Unit
6.
Danger of crushing
Regard the heavy weight and the measures of the front plate.
• Two persons are needed to move the front plate of the Disconnect Unit.
• Make sure that one person always hold the front plate of the enclosure while the other
person performs work at it.
7. Loosen all screws except for the 4 screws at the
corners of the front plate.
8. Hold the front plate of the Disconnect Unit and
loosen the 4 screws at the corners of the front plate.
9. Pull the bottom edge of the front plate of the
enclosure approximately 6 in. (150 mm) to the
front.
26 DisconACDC_SCUS-IUS103110
SMA America, LLC
Installation Guide