Sunway NT 2600 - Manual (Page 8)

Opening the unit
Before opening the cabinet, the unit must
always be disconnected from the grid and
from the PV generator.
The unit continues to conduct a hazardous
voltage internally and at the connection
sockets for ca. five minutes after disconnec-
ting from the PV generator. The energy
storage capacitors are only fully discharged
after this period.
After disconnecting the unit from the grid
and from the PV generator, you must wait
at least five minutes before opening the
unit.
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