Ingeteam
12. Turn the DC switch to OFF.
13. In TL M units, disconnect the string 1 wiring on the MPPT1 in the string box.
14. On TL M units, repeat steps 9 to 12, with the MPPT2 string 1.
15. Connect the remaining stings according to the polarities.
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ABI2011IQM01_B - Installation and Operation Manual
DC connection