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

SMA America, LLC 2 Safety
Installation Manual SCCP-US-IA-US_en-41 15
2.3 Personal Protective Equipment
Always wear the personal protective equipment recommended by SMA America, LLC when working on the inverter. All
clothing should be in accordance with NFPA 70E Section 130.7. Appropriate Insulated gloves for shock protection in
accordance with NFPA 70E Section 130.7(C), rated at least 1000V shall be worn as required.
Any other prescribed protective equipment must also be used. When carrying out work on live parts of the inverter,
protective equipment of at least Hazard Risk Category 2 is required in accordance with NEMA NFPA 70 E, table
130.7(C)(16).
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Risk of burns due to hot components
Some components of the inverter can become very hot during operation. Touching these components can result in burn
injuries.
• Observe safety messages on the components.
• During operation, do not touch any components marked with such messages.
• After disconnecting the plant from voltage sources, wait until any hot components have cooled down sufficiently.
• Wear personal protective equipment for all work on the inverter.
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Damage to the components due to dust or moisture penetration
Dust intrusion or moisture penetration can damage the inverter or impair its functionality.
• Do not open the inverter during rainfall or humidity of more than 95%.
• Only maintain the inverter when the environment is dry and free of dust.
• Do not operate the inverter while the door is open.
• If present, connect the external supply voltage after having set up and installed the inverter.
• Switch on the circuit breaker of the external supply voltage as well as the circuit breakers of the 24 V circuits. This
will activate the heating and interior fans, which will then switch on automatically.
• Mount all panels of the inverter when interrupting the installation process or commissioning.
• Close and lock the inverter.
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 device.
• Wear personal protective equipment for all work on the devices.
• Discharge electrostatic charge by touching uncoated, grounded enclosure parts, e.g. at the PE connection on the
doors. Only then is it safe to touch any electronic components.
Hazard Risk Category 2 Personal Protective Equipment Required
In accordance with NFPA 70E, an arc flash hazard risk analysis has been performed by SMA, and appropriate Arc
Flash Hazard labels stating the required Personal Protective Equipment (PPE) for exposed, energized interaction with
the equipment, are installed. Hazard Risk Category 2 PPE is the requirement for all routine maintenance, diagnostics,
and commissioning activities as described in the SMA protocols. Areas within the machine also exist that cannot,
under any circumstances, be exposed while energized. These areas are marked accordingly on the machine, and
can only be made accessible after de-energization of the inverter.
For additional information, please contact the SMA Service Line.