Sunny Boy 2500U
Installation and Operator’s Manual
SB2500U-11:NE
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19
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SMA Regelsysteme GmbH
Connection of the Sunny Boy to the DC disconnect enclosure
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Install the DC conduit from the DC disconnect enclosure to the Sunny Boy.
•
Insert the conduit fitting in the very left opening of the Sunny Boy. Fasten the
fitting on the inside of the Sunny Boy with the nut. Do the same at the DC dis-
connect enclosure .
•
Ensure all circuit breakers in the DC disconnect enclosure are in the OFF-
position.
•
Route the wires from the DC disconnect enclosure through the conduit and into
the Sunny Boy.
•
Connect the positive (+) wire to the terminal block labeled with (+), see Fig. 2.9.
•
Connect the negative(-) wire to the terminal block labeled with (-), see Fig. 2.9.
•
Torque wires with torque of 35 in-lb .
•
Ensure all connections are correctly wired and properly torqued.
Fig. 2.9:
DC connection socket
DC- conduit and wiring
Positive plug
Negative plug
