SMA SC 200 Installation - Manual (Page 9)

SMA Solar Technology AG Safety
Installation Guide SC20_25_35-IEN094521 9
2 Safety
2.1 Appropriate Usage
Sunny Central is a central inverter. It feeds solar energy converted via photovoltaics from solar
modules into a low- or medium-voltage grid.
Principle of a grid-connected solar power system with a Sunny Central
Sunny Central 200 / 250 / 350
Sunny Central 200 / 250 / 350 contains a low voltage transformer and feeds into low voltage grids.
Sunny Central 250HE
Sunny Central 250HE is a high-efficiency central inverter without its own low-voltage transformer. The
Sunny Central 250HE feed into the medium-voltage grid via a shared medium-voltage transformer.
2.2 Safety Instructions
Faults that affect or limit the safety of the device must be rectified immediately. Unauthorized
modifications and spare parts not recommended by SMA Solar Technology may cause fire, material
damage and electrical shock. Unauthorized personnel must not have access to the devices.
Signs must always be attached in prominent positions. Damaged signs must be replaced immediately.
2.2.1 Personnel
Only qualified personnel may work on the Sunny Central. “Qualified” means that the personnel must
have been trained for the activity performed.
The personnel must be familiar with the content of the installation guide and user manual in order to
commission and / or operate the Sunny Central. In particular, the safety instructions must be followed.
A Photovoltaic generator B Sunny Central C Low voltage or medium
voltage grid