GE Industrial Solutions LP33 Series 80 & 100 User Manual - Manual (Page 51)

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OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S1
7.1.6 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 the
automatic bypass.
The booster starts automatically.
The synoptic diagram must display the status “LOAD
SUPPLIED BY AUTOMATIC BYPASS”.
3. Insert the inverter by pressing “Inverter ON” ( I ) key.
Some seconds later the load will be transferred on
inverter.
LED Alarm turns OFF and the LED Operation must be
lit.
The synoptic diagram must display the status “LOAD
SUPPLIED BY INVERTER”.
END OF PROCEDURE