Safety Instructions SMA America, LLC
28 SI5048U-TUS121440 Technical Description
3.2 Potential Hazards
Installation Altitude
The Sunny Island has been designed for use at elevations of up to 9840 ft. (3000 m)
above sea level. Contact SMA before using the device at elevations above 9840 ft.
(3000 m).
A performance loss of 0.5 % per 330 ft (100 m) is to be expected starting at an elevation
of 6560 ft. (2000 m) above sea level!
DANGER
Electric shock through contact with live component parts. Death or serious injuries.
In order to ensure sufficient protection against contact, comply with the following under
consideration of the manual:
• Ensure that the Sunny Island is correctly mounted.
• Ensure that the Sunny Island is properly grounded.
• Ensure that all connections are correctly made.
• Ensure that the enclosure lid is firmly closed.
DANGER
Danger to life due to high voltages in the stand‑alone grid. Risk of death or serious injury
due to electric shock.
The Sunny Island can start on its own.
• Before working on the off-grid power system disconnect all AC and DC power
sources.
DANGER
Death hazard if the Sunny Island is used to supply energy to life-sustaining medical devices.
This device was not developed to power life-sustaining medical devices.
• Do not use the Sunny Island in systems in which a power outage might result in
personal injury.
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