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OPM_SGS_USM_10K_40K_0US_V010.doc 59/88 Operating Manual
SG Series
10, 20, 30 & 40 kVA
7.3.5 Reconnect a Unit to a parallel system
1. Connect the Utility supply on the separated Unit
.
• Press mute, to reset alarm and buzzer.
First operated unit All other units of the system
2. Close Q1 (Pos. I) on the separated Unit.
Rectifier starts automatically.
First operated unit All other units of the system
3. Connect the Battery, in case of External Battery, to the UPS on the separated
Unit by closing the external Battery Switch or Fuses.
4. Press “inverter on” ( I ) key on the separated Unit.
After Soft-start of the Inverter, the Inverter connects automatically to the other Units
of the parallel system.
•
The LCD must display on the main screen the status “
LOAD ON INVERTER
”.
First operated unit All other units of the system
End of procedure