SMA SC 250U - Manual (Page 17)

SMA America, LLC 4 Scope of delivery and storage
Installation Guide DISU_SCUS-IA-IUS111711 17
4.3 Storage
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Improper storage can cause moisture to seep into the Disconnect Unit.
Damage to the Disconnect Unit will result.
• The Disconnect Unit must be closed during storage.
• If stored for 6 months or longer, make sure the storage area is dry.
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Uneven underground can damage the frame construction.
• The underground must be suitable for the weight of the disconnect of approximately 1,464 lb.
(664 kg).
• The underground may only deviate from a level of 0.25 %.
• Storage temperature: ‒40 °F … +140 °F (‒40 °C … +60 °C).