Installation guide
Modifications reserved Page 61/82
OPM_SGS_USM_M10_M15_0US_V030.doc Operating Manual SG Series 100 – 120 - 150 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.
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
2. Connect the Battery to all Units by closing the external Battery Switches or Fuses, in
case of External Battery.
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