2 safety instructions – SMA SC 500U Installation User Manual
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SMA Solar Technology AG
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SC500U-IUS093411
Installation Guide
It is prohibited:
• to use the Sunny central for purposes other than those described here.
• to connect voltage sources to the Sunny Central other than those consisting of PV modules.
• to modify the Sunny Central or to install components that are not explicitly recommended by
SMA America or sold by SMA America for this purpose.
2.2 Safety Instructions
DANGER
High voltages are present in the live components of the low voltage grid
Death resulting from burning and electric shock.
• Do not touch the live components of the Sunny Central or low-voltage grid.
• Pay close attention to all safety precaution measures regarding the low voltage grid.
DANGER
During operation, high voltages are present in the Sunny Central.
Death resulting from electric shock.
• Do not operate the Sunny Central with doors open.
DANGER
During operation, high voltages are present in the Sunny Central.
Death resulting from electric shock.
Before commencing work on the Sunny Central:
• Disconnect completely.
• Ensure that the device cannot be reconnected.
• Ensure that no voltage is present.
• Ground and short-circuit.
• Cover any nearby live parts.