18_06_07_Battery Backup Distribution_10010371_ENG_V1.8 Seite -6- von -38-
2. Safety
2.1 Appropriate Usage
The „Battery Backup Distribution“ is an automatic transfer switch, suitable to the SMA „Flexible
Storage System“, functionally in communicating to:
- SI 4.4M-12 / SI 4.4M-13 (Sunny Island 4.4M) from Firmware 1.00.xx.R
- SI 6.0H-12 / SI 6.0H-13 (Sunny Island 6.0H) from Firmware 1.00.xx.R
- SI 8.0H-12 / SI 8.0H-13 (Sunny Island 8.0H) from Firmware 1.00.xx.R
- in combination with either
HM-20 (Sunny Home Manager 2.0) from Firmware 2.00.00.R
or
EMETER-20 (SMA Energy Meter) from Firmware 2.0.15.R
The Sunny Island System controls this automatic transfer switch (hereinafter called „Battery
Backup Distribution“ or shortened „BBD“) and creates an island network in case of main power
blackouts.
The Battery Backup Distribution does an all-pole disconnection and isolates the PV-System and the
load to the public network in a safe way.
The Battery Backup Distribution is only certified for TT- and TN-S grids!
Basically, you may only use the Battery Backup Distribution within the SMA „Flexible Storage
System“ in combination with SMA – Sunny Island 4.4M/6.0H/8.0H. Consult the corresponding SMA
paperwork (planning guidelines, installation-guides and all the other documents, which are
applicable for your country and project).
Within a 3-phase system you have to do a master/slave configuration of the Sunny Island’s. The
master is doing all the switching operations and controls the contactor’s activities. For more
details you have to study the SMA paperwork!
Do not exceed the maximum power input and connection power. Please note accordingly the
technical specifications of the various types (at chapter 18).
Do not use the Battery Backup Distribution for purposes other than those described here.
Alternative uses, modifications and the installation of components void the warranty claims and
operation permit.
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