SMA Solar Technology AG 7 Commissioning
Installation Manual SI80H-60H-OffGrid-IA-en-11 75
2. Fasten the enclosure lid using an Allen key (AF 5)
following the sequence 1 to 6 (torque: 6 Nm).
☑ The teeth of the conical spring washer are
pushed into the enclosure lid. This ensures that
the enclosure lid is earthed.
7.4 Quick Configuration Guide
7.4.1 Determining the Battery Capacity
Manufacturers state the battery capacity as a function of the discharge time. In the configuration of
the off-grid system and in the QCG, you will need to enter the battery capacity for a 10-hour
discharge period (C10).
• Determine the C10 battery capacity specified by the battery manufacturer.
☑ You were able to determine the C10 battery capacity.
✖ You were not able to determine the C10 battery capacity?
• Estimate the C10 battery capacity based on other discharge times. This will provide a
value that is probably sufficient for commissioning.
• Contact the battery manufacturer at the next convenient opportunity, ask for the C10
battery capacity and set the correct battery capacity in QCG as soon as possible.
Proceed here in the same manner as if you were replacing the battery.
(Replacing the battery, see off-grid inverter operating manual).
Discharging time Estimation
120 h C10 = C120 / 1.28
100 h C10 = C100 / 1.25
20 h C10 = C20 / 1.09
10 h C10 = C10
5 h C10 = C5 / 0.88
1 h C10 = C1 / 0.61
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