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2.2.7 Volt-free Operations
Perform operations on the inverter only when all devices inside the inverter are completely
voltage-free.
• Avoid any inadvertent re-connections.
• Verify that no voltage or current is present with appropriate measurement instrument.
• Ground and short-circuit whenever necessary.
• Cover possible live parts to avoid inadvertent touch.
• Ensure sufficient escape room.
• After the inverter stops, wait at least 5 minutes before operating it.
• Ensure that the inverter is completely voltage-free.
2.2.8 ESD Protection
Devices may be damaged irreversibly by electrostatic discharge (ESD).
• Avoid unnecessary touching of the PCB.
• Observe all the ESD-related safety instructions. Wear proper personal
protective equipment (PPE) such as wrist strap.
2.2.9 LCD Parameter Setting
Some settable parameters on the LCD are closely related to the operations of the inverter
and internal devices. Thereforethese parameters can only be set with reliable evaluation of
the system.
• Improper parameter setting may impair the functionality of the device.
• Only qualified personnel can set the parameters.
2.2.10 Sand and Moisture Protection
Do not open doors of the inverter on sandstorm, thunderstorm, strong wind or hail days or
when the ambient humidity is above 95%.
2.2.11 Symbols on the Device Body
Symbols on the device contain important information on safe operations of the inverter and
its internal devices. Do not tear or damage them!
System Manual 2 Safety Instructions
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