SMA Solar Technology AG 9 Cleaning and Maintenance
Operating Manual SI80H-BE-BEN120810 53
1. Stop the off-grid system and switch off the off-grid inverter (see Section 5).
2. Open the switch-disconnector of the BatFuse and secure against reconnection.
3. Disassemble the battery to be replaced (see battery manufacturer's instructions).
4. Mount and connect the new battery (see battery manufacturer's instructions). The battery must
comply with the technical requirements of the off-grid inverter (see the off-grid inverter
installation manual for technical data of the DC connection).
5. Quickly connect the switch-disconnector of the BatFuse and close the BatFuse
(see the installation manual of the BatFuse).
6. Switch on the off-grid inverter (see Section 5.1).
☑ If the Sunny Remote Control shows <Init System> , press and hold the button until the
Sunny Remote Control shows the QCG.
7. Select the New Battery menu and push the button.
8. Confirm with Y.
9. Select the BatTyp parameter, set the battery type and confirm with Y.
10. Select the BatVtgLst parameter, set the battery voltage and confirm with Y.
11. Select the BatCpyNom parameter, set the C10 capacity of the battery (see the installation
manual of the off-grid inverter on how to calculate the battery capacity) and confirm the battery
capacity with Y.
12. Select the last page and confirm the question Setup New Battery with Y.
Installation work on the battery
Only skilled persons have the qualifications required to perform installation work on batteries.
• If you are not a skilled person, have a skilled person perform the work.
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