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SMA PVO-N-20 User Manual

Page 44

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9  Disconnecting the SMA PV Offset Box from Voltage Sources

SMA Solar Technology AG

44

PVO-BOX-IA-en-10

Installation Manual

9. Unscrew all the enclosure lid screws and remove the lid.

10. Ensure that no voltage is present between L and N on the AC terminal using a suitable

multimeter.

11. Ensure that no voltage is present between L and FE on the AC terminal using a suitable

multimeter.

12. Ensure that no voltage is present between any fault indication relay terminal and FE using a

suitable multimeter.

8.

Damage to the SMA PV Offset Box due to electrostatic discharge
The components inside the SMA PV Offset Box can be destroyed by electrostatic discharge.

• Earth yourself before touching any components. Do not use the enclosure of the

SMA PV Offset Box for this purpose, as it is not earthed.