
4 Electrical Connection
SMA Solar Technology AG
18
MFR-NR-IA-en-23
Installation Manual
6. Fasten the multifunction relay using the washer and
the cylindrical screw (torque: 1.5 Nm). Use an
Allen key (AF 3).
7. Flip the display assembly down.
8. Tighten the screw of the display assembly.
9. Insert the plug from the multifunction relay ribbon
cable into the left-hand pin connector on the display
assembly. You have to press apart the lock hooks
on the pin connector in order to insert the plug.
☑ After inserting the plug, the lock hooks close.