GE SG SERIES 20 - Manual (Page 47)

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OPM_SGS_USM_10K_40K_0US_V010.doc 47/88 Operating Manual SG Series 10, 20, 30 & 40 kVA
7.1.5 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.
1. Reset “total off” by pressing and
holding the “total off” button and
then the “inverter on” ( I ) key
simultaneously until Load is
supplied from Bypass and the
Rectifier starts.
• Output connects to Bypass Utility.
• Rectifier starts with blinking LED.
• At the end of Soft-start the LED
remains lit.
• The LCD screen shows:
“LOAD ON BYPASS”.
• Press mute, to reset alarm and
buzzer.
2. Connect the Battery to the UPS by closing the Battery Switch or Fuses, in case
of External Battery.
3. Press “inverter on” ( I ) key.
• Soft-start of Inverter indicated with
blinking LED.
• At the end of Soft-start the LED
remains lit.
• Automatic transfer from Bypass to
Inverter.
• UPS output LED indicates Load on
Inverter.
The LCD must display on the main screen the status “LOAD ON INVERTER”.
End of procedure