Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG
58 SB20HF-30HF-IA-IEN120431 Installation Manual
8 Disconnecting the Inverter from Voltage Sources
1. Disconnect the miniature circuit‑breaker and secure against re‑connection.
2. If a multi‑function relay is connected, switch off the multi‑function relay power supply.
3. Remove the Electronic Solar Switch.
4. Use a current probe to ensure that no current is
present in any of the DC cables.
☑ If current is present, check the installation.
DANGER!
Danger to life due to high voltages in the inverter.
The inverter operates at high voltages.
• Disconnect the inverter from the AC and DC supplies as described below.
NOTICE!
Electrostatic discharges can damage the inverter.
Internal component parts of the inverter can be irreparably damaged by electric discharge.
• Ground yourself before touching a component part.
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