Reconnect A Unit To A Parallel System - GE Digital Energy SG 400 kVA Operating Manual

7.4.5 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
2. Close Q1 (Pos. I) on the separated Unit.
Rectifier starts automatically.
First operated unit
Proceed with step 3 only when the
LED 3 remains constantly lit on the
separated unit
3. Connect the Battery to the UPS of the
separated Unit by closing the external
Battery Breaker Release.
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
Modifications reserved
OPM_SGS_USM_M40_M50_1US_V020.doc
LED 3
END OF PROCEDURE
All other units of the system
All other units of the system
All other units of the system
Operating Manual SG Series 400 & 500 kVA
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