Disconnecting The Off-Grid Inverter From; Voltage Sources - SMA SUNNY ISLAND 8.0H Operating Manual

SMA Solar Technology AG
8 Disconnecting the Off-Grid Inverter from Voltage
Sources
1. Switch off the off-grid system (see Section 5.4).
2. Disconnect the miniature circuit-breaker and the switch-disconnectors in the sub-distributions and
secure against reconnection.
3. Open the switch-disconnector of the BatFuse and secure against reconnection.
4.
Danger to life due to high voltages
• If you are not a skilled person, inform a skilled person.
• Steps 5 to 10 may only be performed by skilled persons.
5.
Electrostatic discharges can damage the off-grid inverter.
The components inside the inverter can be destroyed by electrostatic discharge.
• Earth yourself before touching any components.
6. If you are a skilled person, loosen all the screws of the enclosure lid and remove the lid.
7. Ensure that the DC terminal is disconnected from voltage sources.
8. Ensure that the terminals AC1 Loads/SunnyBoys and AC2 Gen/Grid are disconnected from

voltage sources.

9. Earth and short-circuit the AC conductors.
10. Cover or safeguard any adjacent live components.
Operating Manual
8 Disconnecting the Off-Grid Inverter from Voltage Sources
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