SMA
Technologie AG
Commissioning
Installation manual
SC-100-13:SE2407
Page 37
Serial Interfaces
For external communication and string current monitoring, the data cables must be
connected.
Settings for the Hygrostat
The device contains an adjustable hygrostat for controlling the cabinet ventilators and
the overheating shut-off system. The hygrostat is pre-adjusted before delivery.
8.3 Switch On
If all tests and measurements have been performed, and all measured values lie within
the acceptable range, then the device can be switched on for the first time.
All circuit breakers and motor overload switches in the Sunny Central are to be switched
on.
Now the inverter is completely connected on the AC and DC sides and can be switched
on using the key switch. Close the cabinet doors and turn the key switch to the right to
the “Start” position.
The Sunny Central will now start automatically. First, the grid voltage and frequency
parameters are checked. After approx. 20 seconds, the motorized DC breaker is
activated automatically and connects the PV generator.
Prior to commissioning, please check whether the settings agree with the
information in the wiring diagram. If deviations are found, please set the values
specified in the wiring diagram.
Please follow the Sunny Central user manual for the continued operation of the
inverter.
