SMA SC 500HE-US - Manual (Page 15)

SMA America, LLC 2 Safety
Operating Manual SC500HEUS-eng-BE-BUS120320 15
Environmental hazards
Hazards due to human error
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Damage to electronic components due to electrostatic discharge
Electrostatic discharge can damage or destroy electronic components.
• Observe the ESD safety regulations when working on the unit.
• Wear personal protective equipment.
• Neutralize any electrostatic charge before touching electronic components, for example by
touching the PE connection of the doors.
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Danger to life due to blocked escape routes
In hazardous situations, blocked escape routes can lead to serious injury or death.
• An escape route of at least 3 ft. (915 mm) wide must be available at all times.
• Do not place any objects in the escape route area.
• Remove all tripping hazards from the escape routes.
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Damage to the inverter caused by dust or moisture penetration
Dust intrusion or moisture penetration can damage the inverter and impair the functionality of the
inverter.
• Do not open the inverter when it is raining or when humidity exceeds 95%.
• Perform maintenance on the Sunny Central only when the environment is dry and free of dust.
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Danger to life due to electric shock when the inverter is unlocked
Unlocked inverters can be opened by unauthorized persons. This means that unauthorized persons
have access to components on which lethal voltages are present.
• Ensure that unauthorized persons have no access to the inverter.
• Always lock the inverter.