SMA SC 500HE-20 Installation - Manual (Page 21)

SMA Solar Technology AG 5 Storage
Installation Manual SCxxxHE-20-IA-IEN111210 21
5 Storage
If you need to store the inverter prior to final installation, note the following points:
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Penetrating moisture can damage the inverter.
• Only store the inverter in a closed state.
• Storage permissible in dry, covered locations only. Observe the conditions for degree of
protection IP 21.
• Temperature at the storage location between ‒20°C … +50°C.
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An uneven foundation may damage the frame construction.
• The foundation must be suitable for the weight of the inverter of 1 670 kg.
• Unevenness of the foundation max. 0.25%.
Storage in cold conditions and high humidity
If when storing the Sunny Central you connect the external voltage supply and switch on the
miniature circuit-breaker of the external voltage supply, the heater is activated automatically in
the event of high humidity. The connection of the external voltage supply is described in section
10.4.7 "Connecting the External Voltage Supply", page 51.