8 Commissioning SMA Solar Technology America LLC
74 SI4548-6048-US-BE-en-21 Operating Manual
8. Reconnect the conductors of the battery current sensor correctly as displayed in the graphic.
Make sure the insulated conductors have the correct polarity.
– BatCur+ to terminal 1
– BatCur– to terminal 2
9. Start the Sunny Island (see Section9.1 "Switching On", page75).
10. Check the current direction: "120.06 TotBatCur"
Current direction: Discharging the battery
• No generator/utility grid connected
• Loads are being supplied
The measured value of the battery current is positive.
Current direction: Charging the battery
• Generator/utility grid connected
• Loads are not/marginally supplied
• Battery is being charged
The measured value of the battery current is negative.
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