SMA SUNNY MINI CENTRAL 4600A Installation Manual page 26

Electrical Connection
9. Tighten the lock nut firmly to the cable gland.
10. Secure the enclosure lid with all screws and the
corresponding conical spring washers.
Tighten the screws with 6 Nm torque in the order
shown in the figure on the right. The toothing of the
conical spring washers must point toward the
enclosure lid.
The scope of delivery of the inverter includes
another spare screw and conical spring washer.
DANGER!
Danger to life due to enclosure lid carrying voltage.
The grounding of the enclosure lid is ensured by the conical spring washers.
• Attach the conical spring washers for all 6 screws with the toothing facing toward the
enclosure lid.
DANGER!
Danger to life due to high voltages in the inverter.
• Do not switch on the miniature circuit‑breaker until the PV array has also been
connected and the inverter is securely closed.
☑ The inverter is now connected to the power distribution grid (AC).
26 SMC46-60A-IA-IEN120471
SMA Solar Technology AG
Installation Manual