SMA DU-SC-US - Manual (Page 11)

SMA America, LLC Storage
Unpacking DISU_SCUS-AP-eng-IUS110911 11
3 Storage
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Damage to property caused by penetrating moisture!
Damage to electrical component parts caused by penetrating moisture.
• The Disconnect Unit must be closed during storage.
• Storage for six months or more permissible in dry locations only.
• Do not store the Disconnect Unit in the transport packaging for longer than six months.
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Damage to property caused by improper storage!
Improper storage conditions may damage the Disconnect Unit.
• The foundation must be suitable for the weight of the Disconnect Unit of 1 477 lbs. (685 kg).
The foundation may only deviate from a level of 0.25 %.
• Only store the Disconnect Unit at temperatures between − 40 °F ... +140 °F
( − 40 °C ... +60 °C).
Ensure function in the case of longer storage times
If the Disconnect Unit is stored for longer than one year, check the functionality of the
Disconnect Unit every 12 months. Move all switches to the "ON" position and the "OFF"
position ten times. This guarantees the function of the switches.