GE LP33 Series 80 User Manual

Contents

Modifications reserved Page 51/66OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S17.1.6 Restore to normal operation after “EPO – Emergency Power Off”NOTE !Make sure the UPS is in the status of the activation of “EPO - Emergency Power Off”,i. e. Q1 closed, Q2 open and the “Battery Breaker” of the battery cabinet is ON (Pos. I).View of the synoptic diagram after pressing the push-button “EPO - Emergency Power Off”:• All Contactors are open.• Booster, Inverter and Static-Switch shutdown.1. Reset the “EPO” key.Press MUTE key to reset Alarm and Acoustical alarm.LED Alarm remains lit.2. Reset the UPS by pressing “Inverter OFF” ( O ) key.The load is supplied by the utility through theautomatic bypass.The booster starts automatically.The synoptic diagram must display the status “LOADSUPPLIED BY AUTOMATIC BYPASS”.3. Insert the inverter by pressing “Inverter ON” ( I ) key.Some seconds later the load will be transferred oninverter.LED Alarm turns OFF and the LED Operation must belit.The synoptic diagram must display the status “LOADSUPPLIED BY INVERTER”.END OF PROCEDURE