SMA DU-SC-US - Manual (Page 4)

Important Safety Instructions SMA America, LLC
4 DISU_SCUS-AP-eng-IUS110911 Unpacking
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions for the Disconnect Unit for Sunny Central 250U/500U/
500HE-US and Sunny Central CP, that must be followed during installation and maintenance of the
pv inverter.
The Disconnect Unit for Sunny Central 250U/500U/500HE-US and Sunny Central CP is designed
and tested according to international safety requirements, but as with all electrical and electronic
equipment, certain precautions must be observed when installing and/or operating the Disconnect
Unit for Disconnect Unit for Sunny Central 250U/500U/500HE-US and Sunny Central CP. To
reduce the risk of personal injury and to ensure the safe installation and operation of the Disconnect
Unit for Sunny Central 250U/500U/500HE-US and Sunny Central CP, you must carefully read and
follow all instructions, cautions and warnings in this technical description.
Warnings in this document
A warning describes a hazard to equipment or personnel. It calls attention to a procedure or practice,
which, if not correctly performed or adhered to, could result in damage to or destruction of part or all
of the SMA equipment and/or other equipment connected to the SMA equipment or personal injury.
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DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
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WARNING indicates a hazardous situation which, if not avoided, could result in death or serious
injury.
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CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury.
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NOTICE is used to address practices not related to personal injury.