GE Digital Energy SG 400 kVA - Restore Operation After Total Off (Parallel System)

Modifications reserved Page 63/86
OPM_SGS_USM_M40_M50_1US_V020.doc Operating Manual SG Series 400 & 500 kVA
7.3.7 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!
First operated unit All other units of the system
1. Reset “total off” by pressing and holding the “total off” button and then the “inverter
on” ( I ) key, on any of the Units simultaneously, until Load is supplied from Bypass and
the Rectifiers start.
• System output connects to Bypass Utility.
• Rectifiers start with blinking LED.
• At the end of Soft-start the LED’s remains lit.
• The LCD screen on all Units shows “LOAD ON BYPASS”.
First operated unit All other units of the system
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