Download SUNNY CENTRAL 250U - Installation Guide

SMA America, LLC
Notes on this Manual
Section 6: Attaching the Conduits
In this section you will learn where to insert the cables in the Sunny Central and where to punch the
holes for the conduits.
Section 7: Connecting Optional Communication Devices
The Sunny Central can be equipped with different communication devices. This section explains how
the communication devices in the Sunny Central are connected.
Section 8: Electrical Connection
This section describes how the Sunny Central is connected to the grid and to the PV modules, and
what precautions must be observed in order to avoid material and personal damages. It provides
information on the necessary cable sizes and the magnitude of the torque for the cable connection.
Section 9: Commissioning
This section explains, step-by-step, how to put the Sunny Central into operation, and how you can
determine that the commissioning was successful.
Section 10: Opening the Sunny Central
This section describes how to open the Sunny Central and what precautions must be observed in order
to avoid personal damages.
Section 11: Parameter
This section provides an overview of the parameters of the Sunny Central and their respective
threshold values.
Section 12: Technical Data
In this section you will find the technical data for the Sunny Central's operation, the norms to which it
conforms and the required cables and torques.
Installation Guide
SC250U-IUS093413
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