GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 57)

Critical Power
Modifications reserved Page 57/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
3. Open UPS output switch Q1 (Pos. O) and perform the
command “System shutdown”.
Perform the command “System shutdown” through the
screen: Commands 1 / System shutdown / Shutdown.
 Load is now supplied from Utility by Manual Bypass Q2.
 Rectifier shuts down and all contactors are opened.
The Synoptic Diagram must display the status “LOAD
SUPPLIED BY MANUAL BYPASS Q2”.
4. Disconnect the Battery from the UPS by opening, if
present, the switch CB3 (option) and then the external
Battery protections.
Press “MUTE” key to reset Acoustical Alarm.
LED ALARM remains lit.
END OF PROCEDURE
DANGER !
The UPS cabinet contains parts electrically live.
Apart from the front door, do not open any other part of the UPS.