GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 75)

Critical Power
Modifications reserved Page 75/90
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” on all
Units.
Perform the command “System shutdown” through the
screen: Commands 1 / System shutdown / Shutdown.
 The Load is now supplied only through the Manual Bypass Q2 of all Units.
 All Rectifiers are shut-down and all output and input contactors are opened.
The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY MANUAL BYPASS Q2”.
Synoptic Diagram of first unit Synoptic Diagram of other units
4. Disconnect the Battery on all Units 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.
Synoptic Diagram of first unit Synoptic Diagram of other units
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.