2 safety instructions, Safety instructions – SMA SB 4200TL Multi-String User Manual
Page 9

SMA
Technologie AG
Safety Instructions
Operating Instructions
SB4200-12:FE4804
Page 9
2 Safety Instructions
Opening the device and by that
• the electrical installation,
• the repair or
• the modification
of the Sunny Boy 4200TL Multi-String may only be done by a
qualified technician. Even if there are no external voltages on
the device there may be high voltages that are hazardous to
touch.
The temperature of individual parts of the enclosure of the
Sunny Boy 4200TL Multi-String – especially the one of the heat
sinks – can reach 85 °C even in normal operation. There is a
danger of burning yourself when touching the Sunny Boy.
The Sunny Boy 4200TL Multi-String is equipped with the anti-islanding unit
„SMA grid guard“. The Sunny Boy 4200TL Multi-String therefore complies
with the VDEW guidelines for grid interactive inverters and the DIN VDE
0126 (4.99) specified in this regulation.