Sma SUNNY BOY User Manual download pdf (Page 7)

SMA Solar Technology AG Safety

User Manual SB_SMC-BEN092840 7

2 Safety

2.1 Appropriate Usage

The Sunny Boy / Sunny Mini Central is a solar inverter which converts the DC current of the PV

generator to AC current and feed it into the public grid.

More precise information on this subject and on your device can be found in the installation guide.

The operational limits specified in the installation guide for the particular inverter must be observed.

All inverters may only be operated with PV generators (modules and cabling) of Protection Class II

rating. Do not connect any sources of energy other than PV modules to the inverter.

Do not use the inverter for purposes other than those described here. Alternative uses, modifications

to the inverter or the installation of components not expressly recommended or sold by the

manufacturer void the warranty claims and operating permission. If you have questions regarding the

proper usage of the inverters, please contact the SMA Solar Technology Serviceline.

Principle of the string inverter

The string inverter is used to connect a small number of series-connected solar modules (strings) to the

public supply grid. This way, even a large PV generator can be constructed from a large number of

individual strings, each having its own string inverter. The energy is then combined on the AC side.

Principle of a grid-connected PV system with a Sunny Boy

Public grid

PV-Modules

Distribution

Sunny Boy

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Sma SUNNY BOY User Manual Page 7