Questions and Clarifications

There are two diagrams. The Fault Isolation is high level. The System Block Diagram is more comprehensive. The last schematic illustrates the importance and functionality of the control system. Neither diagram demonstrate how to split and combine electrically with the SMA Island Controller. For that, consult the manual.
The Deger D-60 Installation Manual can now be found in Engineering in the right hand column.
In some of the older documentation, there is a reference to the procurement of SunPower Modules. These modules have proven too expensive and the project is now specifying an LG 300W model.
The SonnenBatterie LiON product conflicts with the operation of the SMA Sunny Island Controller. The two seek to regulate in real time control over the use of energy storage for ancillary power. Therefore, the Sonnen product has been dropped. Presently, there is a list of approved vendors and Solana is researching these vendors. The Sony LiON product appears most promising and is UL certified. Read more about this topic...