7 connecting optional communication devices – SMA SC 500U Installation User Manual
Page 38

SMA Solar Technology AG
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SC500U-IUS093411
Installation Guide
7 Connecting Optional Communication Devices
The Sunny Central can be equipped with a Sunny WebBox and/or a Sunny SensorBox. This section
explains how the Sunny WebBox and the Sunny Sensor Box in the Sunny Central is connected.
NOTICE
The components in the Sunny Central can be damaged by electrostatic discharge!
• When working on the Sunny Central and when handling the components observe all
ESD safety regulations.
• Discharge electrostatic charge by touching the grounded Sunny Central enclosure.
NOTICE
Seeping moisture during installation of the Sunny Central.
Damage to the electronics of the Sunny Central.
• Do not open the Sunny Central when it is raining or when a high humidity is present
(> 95 %).
• For conduit hubs, use only UL Listed rainproof, or wet location hubs complying with
UL 514B for entry into the enclosure.