GE Digital Energy SG 400 kVA - Restore Operation After Total Off (Freq. Conv.)

Modifications reserved Page 50/86
OPM_SGS_USM_M40_M50_1US_V020.doc Operating Manual SG Series 400 & 500 kVA
7.2.3 Restore to normal operation after “total off”
View of the panel after pressing the
button “total off”.
• All Contacts are open;
• Rectifier, Inverter and Static-Switch
shutdown.
• Press mute, to reset alarm and buzzer.
The Battery remains connected to the UPS in case of configuration without external
Battery Breaker Release!
1. Reset “total off” by pressing and holding
the “total off” button and the “inverter
on” ( I ) key simultaneously until the
Rectifier starts.
Proceed with step 2 only when the
LED 3 remains constantly lit.
2. Connect the Battery to the UPS by
closing the external Battery Breaker
Release.
3. Press “inverter on” ( I ) key.
• Soft-start of Inverter indicated with
blinking LED.
• At the end of Soft-start the LED
remains lit.
• UPS output LED indicates Load on
Inverter.
The LCD must display on the main screen the status “LOAD ON INVERTER”.
END OF PROCEDURE
LED 3