GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 60)

Critical Power
Modifications reserved Page 60/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
7.1.5 Restore to normal operation after “System shutdown”
NOTE !
Make sure the UPS to be status of the activation of “System shutdown”, i. e. Q1 and
CB3 (option) closed, Q2 open and External Battery protection connected.
If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabled
before starting this procedure.
View of the Synoptic Diagram after performed the
command “System shutdown”:
 All Contactors are open.
 Rectifier, Inverter, Booster/Battery charger and
Static-Switch shut-down.
 LED ALARM is lit.
1. Restore the command “System shutdown”.
Restore the command “System shutdown” through the
screen: Commands 1 / System shutdown / Reset.
 The Load is supplied by the Utility through the Automatic Bypass.
 Rectifier starts automatically.
LED 1 (Rectifier) blinking, indicates Soft-start.
 At the end of Rectifier Soft-start the LED 1 (Rectifier) remains lit.
The Synoptic Diagram must display the status “LOAD
SUPPLIED BY AUTOMATIC BYPASS”.
2. Insert the inverter performing the command “Inverter ON".
Before performing this procedure make sure that the LED 1 (Rectifier) and LED 3 (Booster/Battery
charger) are lit.
Perform the “Inverter ON” command from the screen:
Commands 1 / Inverter / ON.
 Soft-start of Inverter indicated with blinking LED 2 (Inverter).
 At the end of Soft-start the LED 2 (Inverter) remains lit.
 The Load is automatically transferred from Automatic Bypass to Inverter.
 LED ALARM turns Off and the LED LOAD PROTECTED must be lit.
The Synoptic Diagram must display the status “LOAD
SUPPLIED BY INVERTER”.
END OF PROCEDURE