SMA SI-TB-BOX-10 - Manual (Page 12)

2 Safety SMA America, LLC
12 SI_TDBOX-IA-eng-IUS122211 Installation Manual
2 Safety
2.1 Intended Use
Figure 1: Principle of a simple Sunny Island system with Smartformer
The Smartformer for Sunny Island is a pre-wired AC distribution board with an autotransformer,
bypass switch, load-shedding contactor, overload protection, and miniature circuit-breakers.
Mounting requirements:
The Smartformer is only suitable for indoor use. Do not mount the Smartformer outdoors.
• Do not mount the Smartformer on flammable construction materials.
• Do not mount the Smartformer near highly flammable materials.
• Do not mount the Smartformer in potentially explosive atmospheres.
SMARTFORMER
Loads
Generator
PV inverter
Battery
PV array
Power
distribution grid
Sunny Island