SMA SC 500U Installation - Manual (Page 13)

SMA Solar Technology AG
Installation Guide SC500U-IUS093411 13
2 Safety
In this section you will find general safety directions which you must observe throughout the entire
installation process. Pay special attention to this section, so as to avoid personal and material
damages.
2.1 Appropriate Usage
The Sunny Central is a MPPT (maximum power point tracker) PV inverter that converts the DC energy
from PV modules to AC energy. This energy is then fed to the public grid. The Sunny Central 500U is
designed for indoor and outdoor installation.
Principle of a PV Power System with a Sunny Central
Any other application of the Sunny Central or installation of components and modifications which are
not explicitly allowed endanger the safety and void the warranty as well as the operation permit.
Position Description
A PV modules
B DC distribution with DC fuses (e.g., Sunny Central String-Monitor)
C DC disconnect
D Sunny Central
E AC fuse
F AC disconnect
G Public grid
A B
C D F G E
Stop Start