SMA SB 2500 Installation - Manual (Page 47)

SMA Solar Technology AG Opening and Closing
Installation Manual SB25-30-IA-en-51 47
7.3 Closing the Inverter
1. Establish the protective conductor (PE) connection to the enclosure lid.
2. Attach the enclosure lid of the inverter by evenly
tightening the four lid screws.
3. Check the DC connectors for correct polarity and connect them.
To unlock the DC connectors, see Section 7.2 "Opening the Inverter" (page 44).
4. Close all the DC inputs that are not needed as described in Section 5.4.4 "Connecting the PV
Array (DC)" (page 32) to seal the inverter.
5. Attach the AC plug.
6. If an external DC switch-disconnector is available, connect the external DC switch-disconnector.