4 Electrical Connection
SMA Solar Technology AG
16
MFR-NR-IA-en-23
Installation Manual
3. Insert the ribbon cable of the multifunction relay into
the pin connector on the display assembly.
4. Insert the multifunction relay in the inverter. Lead the
left-hand key on the multifunction relay into the hole
in the plastic retainer for the display assembly.
5. Fasten the multifunction relay using the washer and
the cylindrical screw (torque: 1.5 Nm). Use an
Allen key (AF 3).
6. Install the display:
• Plug the ribbon cable plug into the pin
connector on the display assembly.
• Lead the display into the right-hand retainer.
• Lead the display into the left-hand retainer.