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Opening and Closing SMA Solar Technology AG

48 SB25_30-IA-IEN115050 Installation Manual

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45).

4. 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.

5. Attach the AC plug.

6. If an external DC switch-disconnector is available, connect the external DC switch-disconnector.

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PV Powered 3000 Installationshandbuch Seite 48