GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 66)

Critical Power
Modifications reserved Page 66/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
7.2.2 Complete shut-down of the TLE Series 225 - 500 as frequency converter
NOTE !
Follow this procedure only in case the UPS system and the Load must be completely
powered-down.
Initial status:
Load supplied from Inverter.
1. Perform the command “System shutdown”.
Perform the command “System shutdown” through the
screen: Commands 1 / System shutdown / Shutdown
 Load is disconnected from UPS.
 Rectifier and Inverter are shut-down and all contactors are
opened.
 LED 1 (Rectifier) and LED 2 (Inverter) are OFF.
 LED ALARM is lit.
2. Open UPS output switch Q1 (Pos. O).
3. 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.
NOTE !
Before performing the next procedure wait 5 minutes for DC-Link Capacitors
discharge.
Use the MEASURES/Rectifier screen to ensure that the DC-link1 and DC-link 2 voltage
has reached 10Vdc.
4. Disconnect the Utility from the input distribution.
 All LEDs are OFF.
END OF PROCEDURE
DANGER !
It will take 5 minutes for the DC capacitors to discharge.
Open only the front door, do not open any other part of the UPS.