SMA Sunny Island 5048 - Activation and Deactivation; 9.1 Activation; Startup

SMA Solar Technology AG Initial Start-up
Technical Description SI5048-TB-TEN110340 61
7. Reconnect the battery current sensor's lines correctly as displayed in the graphic.
Make sure the lines have the correct polarity when doing this.
– BatCur+ to terminal 1
– BatCur– to terminal 2
8. Start the Sunny Island (see section 9.1”Switching On” (page62)).
9. Check the current direction: "120.06 TotBatCur".
Current direction: Discharging the battery
• No generator/grid connected
• Consumers are being supplied
The value of the battery current is positive.
Current direction: Charging the battery
• Generator/grid connected
• Consumers are not/are marginally supplied
• Battery is being charged
The value of the battery current is negative.