Restore To Normal Operation After Epo (Emergency Power Off) - GE Digital Energy SG 400 kVA Operating Manual

7.2.4 Restore to normal operation after EPO (Emergency Power Off)

UPS panel after activation of EPO
(Emergency Power Off) with Utility not
available, i.e. complete shutdown of
the UPS.
In this case wait until Utility is again
available, then proceed to restart the
UPS as described below. Points 1
through 3.
UPS panel after activation of EPO (Emergency
Power Off) with Utility available.
•
All Contacts are open;
•
Rectifier, Inverter
shutdown.
The Battery remains connected to the UPS in case of configuration without external
Battery Breaker Release!
1. Reset the EPO (Emergency Power Off)
button.
• Press mute, to reset alarm and buzzer.
2. Press "inverter off" ( O ) key.
• Rectifier starts with blinking LED.
• At the end of Soft-start the LED remains lit.
•
The LCD screen shows: "LOAD OFF".
Proceed with step 3 only when the LED 3
remains constantly lit.
3. Connect the Battery to the UPS by closing
the external Battery Breaker Release.
4. Press "inverter on" ( I ) key.
• Inverter starts with blinking LED.
• At the end of Soft-start the LED remains lit.
• UPS output LED and LCD screen indicate
both: "LOAD ON INVERTER".
Modifications reserved
OPM_SGS_USM_M40_M50_1US_V020.doc
and Static-Switch
END OF PROCEDURE
LED 3
Operating Manual SG Series 400 & 500 kVA
Page 51/86