Installation guide

Modifications reserved Page 46/82
OPM_SGS_USM_M10_M15_0US_V030.doc Operating Manual SG Series 100 – 120 - 150 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