Sunny Boy 2500U
Installation and Operator’s Manual
SB2500U-11:NE
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37
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SMA Regelsysteme GmbH
3. Take off the lid by removing screws 1 - 4 (see Fig. 2.6) on the lid (M5).
You now have the opened Sunny Boy in front of you (see Fig. 2.7) and can see the posi-
tion of components and clamps relevant for you. You will find:
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The internal grid fuse
WARNING:
For continued protection against risk of fire replace only with
same types and rating of fuse. The type is Littelfuse 314015 15AMP 250 V
AC.
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The control system board with the socket for the piggy back board for the communica-
tion. To install the new communication components read chapter 4.5.
