GE 400 User Manual
Also see for 400 Series: Maintenance manualUser manualInstructionInstructionsInstructions
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Modifications reserved Page 73/79OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S27.2.8 Restore to normal operation after EPO (Emergency Power Off)NOTE !Make sure the all units of the Parallel System to be status of the activation of EPO, i.e. UPS Output Switches Q1 closed (Pos. I), Manual Bypass Switches Q2 (option) open(Pos. O) and External Battery Switch or Fuses connected (Pos. I).If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabledbefore starting the shutdown procedure.View of the synoptic diagram, on all UPS units, afteractivation of EPO (Emergency Power Off) with Utilityavailable.• All Contactors are open.• Rectifier, Inverter and Static-Switch shutdown.• LED Alarm is lit.1. Reset the EPO (Emergency Power Off) button.• Press the “MUTE” key to reset alarm and acoustical alarm.• LED Alarm remains lit.2. Press “Inverter OFF” ( O ) key on all Units.• Rectifiers start automatically, blinking LED 3 (Rectifier ON) indicates Soft-start.• At the end of Rectifier Soft-start, the LED 3 (Rectifier ON) remains lit.• After pressing the “Inverter OFF” key on the last unit of the Parallel System, the output of all Unitsconnect to Automatic Bypass.The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY AUTOMATIC BYPASS”.Synoptic Diagram of first unit Synoptic Diagram of other unitsContinue ► |
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