GE 400 User Manual

Also see for 400 Series: Maintenance manual User manual Instruction Instructions Instructions

Contents

GE 400 User Manual Manual pdf 55 page image

Modifications reserved Page 55/79OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S27.1.6 Restore to normal operation after EPO (Emergency Power Off)NOTE !Make sure the UPS to be status of the activation of EPO, i. e. UPS Output Switch Q1closed (Pos. I), Manual Bypass Switch Q2 (option) open (Pos. O) and External BatterySwitch or Fuses connected (Pos. I).If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabledbefore starting this procedure.View of the Synoptic Diagram after activation of EPO(Emergency Power Off) with Utility available.• All Contactors are open.• Rectifier, Inverter and Static-Switch shutdown.• LED Alarm is lit.1. Reset the EPO (Emergency Power Off) key.• Press the “MUTE” key to reset alarm and acoustical alarm.• LED Alarm remains lit.2. Press the “Inverter OFF” ( O ) key.• Load is transferred to Utility by Automatic Bypass.• Rectifier starts automatically, blinking LED 3 (Rectifier ON) indicates Soft-start.• At the end of Rectifier Soft-start the LED 3 (Rectifier ON) remains lit.The Synoptic Diagram must display the status “LOADSUPPLIED BY AUTOMATIC BYPASS”.3. Insert the Inverter by pressing the “Inverter ON” ( I ) key.• Soft-start of Inverter indicated with blinking LED 5 (Inverter available).• At the end of Soft-start the LED 5 (Inverter available) remains lit.• The Load will be automatically transferred from Automatic Bypass to Inverter.• LED Alarm turn Off and the LED Operation must be lit.The Synoptic Diagram must display the status “LOADSUPPLIED BY INVERTER”.END OF PROCEDURE