2 safety, 1 intended use – SMA SB 3000TL-US User Manual
Page 11

SMA America, LLC
2 Safety
User Manual
SB3-5TLUS22-BA-en-14
11
2 Safety
2.1 Intended Use
The Sunny Boy is a transformerless PV inverter which converts the direct current of a PV array into
grid-compliant alternating current and feeds it into the power distribution grid.
Figure 1: Design of a PV plant with a Sunny Boy
The inverter is suitable for indoor and outdoor use.
Alternative uses of the Sunny Boy not expressly recommended by SMA are not permitted.
For safety reasons, it is not permitted to modify the product or install components that are not explicitly
recommended or distributed by SMA for this product.
The enclosed documentation is an integral part of this product.
• Read and observe the documentation.
• Keep the documentation in a convenient place for future reference.
Position
Designation
A
PV modules input A
B
PV modules input B
C
Inverter with DC Disconnect
D
Miniature circuit-breaker
E
Loads
F
Electricity meter
G
Power distribution grid