SMA Solar Technology AG Opening and Closing
Installation Guide SMC9-11TLRP-IEN100640 59
7.3 Closing the Inverter
1. Secure the lid with the 6 screws and the
corresponding tooth lock washers.
Tighten the screws with 6 Nm torque in the order
shown on the right hand side. The toothing of the
tooth lock washers must face toward the lid.
The inverter packing list includes another spare
screw and tooth lock washer.
2. Check the DC plug connector for correct polarity and connect it.
To release the plug connectors see section 7.2”Opening the Inverter” (page56).
3. Close all unnecessary DC inputs as described in section 5.5.4”Connecting the PV Generator
(DC)” (page36) to seal the inverter.
4. Check the Electronic Solar Switch for wear as
described in section 8.2 and firmly attach.
DANGER!
Danger to life due to live enclosure lid!
The grounding of the enclosure lid is ensured by the tooth lock washers.
• Fasten the tooth lock washers for all 6 screws with the toothing facing toward the lid.