SMA SUNNY ISLAND 3.0M Operating Manual page 14

2 Safety
Permanent damage to the battery due to improper handling
Improper set-up and maintenance of the battery can cause it to become permanently damaged. Logs can help to
determine the cause.
• Comply with all requirements of the battery manufacturer with regard to mounting location.
• Check and log the status of the battery before performing maintenance work.
Useful hint: Many battery manufacturers provide suitable logs.
– Check the battery for visible damage and log.
– Measure and log the fill level and acid density of FLA batteries.
– In the case of lead-acid batteries, measure and log the voltages of the individual cells.
– Perform and log the test routines required by the battery manufacturer.
Prior damage to batteries
Batteries may have suffered prior damage due to production defects. Logs can help to determine the cause.
• Check and log the status of the battery before performing maintenance work.
Check and log the status of the battery before performing maintenance work.
Transition resistances can impair the performance of the batteries.
• Ensure that the torques at the battery connections are correct each time that maintenance is performed.
14 SI30M-44M-60H-80H-BE-en-33
SMA Solar Technology AG
Operating Manual