Closing The Inverter - SMA SUNNY MINI CENTRAL 4600A Installation Manual

Opening and Closing
7.3 Closing the Inverter
1. Secure the enclosure lid with the 6 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.
2. Check the DC connectors for correct polarity and connect them.
To unlock the DC connectors, see section 7.2 "Opening the Inverter" (page 55).
3. Close all the DC inputs that are not needed as described in section 5.4.4 "Connecting the PV
Array (DC)" (page 33) to seal the inverter.
58 SMC46-60A-IA-IEN120471
SMA Solar Technology AG
Installation Manual