SMA SUNNY ISLAND 4.4M Operating Manual page 106

7 Commissioning
Procedure:
1. Switch off the Sunny Island and open the battery fuse load-
break switch quickly.
2. Short-circuit the measuring cable at the battery current sensor.
To do so, Connect the BatCur– and BatCur+ insulated
measuring conductors to the connection for BatCur+.
3. Close the battery fuse load-break switch quickly and switch on
the Sunny Island.
4. Set the parameter Current sensor type (60mV, 50mV) to the type and amplification factor of the battery
current sensor used.
5. Select the parameter Autocalibration of the external battery current sensor and set to On.
☑ The Sunny Island starts the adjustment.
6. After 10 seconds, select the parameter Battery > Battery > Current > Battery current and read off the value.
☑ The parameter value is between 0 A and 1 A.
✖ The parameter value is not between 0 A and 1 A.
The measuring cables are not correctly connected or not short-circuited.
• Check whether the measuring cables are correctly connected and whether they are short-circuited.
• Repeat steps 8 and 9.
7. Switch off the Sunny Island and open the battery fuse load-
break switch quickly.
106 SI44M-80H-12-BE-en-10
SMA Solar Technology AG
Operating Manual