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Sunny Island
Installation & Operating Instructions
11.3 Failure of Individual Cells
The Sunny Island is designed for the connection of lead-acid batteries with a nominal
voltage of 60 V. If individual cells fail towards the end of the battery's expected ser-
vice life, it may be more useful to remove them completely instead of replacing them.
Otherwise the remaining service life of the other cells may be decreased. Any re-
moval of cells, however, must always be advised to the battery management of the
Sunny Island by changing the parameter "503_Ubat nom" in the menu "PARBAT"
(3+5) accordingly.
The failure of individual cells should always be taken as a clear signal that the whole
battery will fail within a short period of time. When installing a new battery via "New
Battery" in the "INIT" (0-0) menu make sure to comply with the battery nominal volt-
age that has to be 60 V again.
- 115 -
BWRI33-12:EE
SMA Regelsysteme GmbH
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