GE Industrial Solutions LP33 Series 80 & 100 User Manual - Manual (Page 50)

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OPM_LPS_3UO_80K_M10_1US_V010.doc User Manual LP33 Series 80 & 100 UL S1
7.1.5 Restore to normal operation after “Load Off”
NOTE !
Make sure the UPS is in the status of the activation of “Load 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
“Load Off” key:
• All Contactors are open.
• Booster, Inverter and Static-Switch
shutdown.
` Home\Commands
COMMANDS
RESET TOTAL OFF
REQUEST TOTAL OFF
1. Reset “Load Off”.
Restore the command “Load Off” by entering the
screen: COMMANDS / RESET TOTAL OFF
LED Alarm is lit.
V
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”.
2. 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