GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 72)

Critical Power
Modifications reserved Page 72/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
2. Close UPS output switch Q1 (Pos. I) on all Units.
 When closing UPS output switch Q1 on the last unit of the Parallel System, the Automatic Bypass of all
Units connects to the Load.
 Rectifiers start automatically, blinking LED 1 (Rectifier) indicates Soft-start.
 At the end of Rectifier Soft-start, the LED 1 (Rectifier) remains lit.
The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY AUTOMATIC BYPASS”.
Synoptic Diagram of first unit Synoptic Diagram of other units
3. Connect the Battery on all Units by closing the external Battery protections and close, if
present, the switch CB3 (option).
Attention: check the right DC polarities on both side of the switch/fuse holder!
NOTE !
Ensure the LED 1 (Rectifier) is lit before carrying out this procedure.
It indicates that the DC-Link has reached 800Vdc (see screen MEASURES / Rectifier)!
Before performing the next procedure make sure that the LED 3 (Booster/Battery
charger) is lit.
Synoptic Diagram of first unit Synoptic Diagram of other units
4. Insert the Inverter performing the “Inverter ON” command on first unit.
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.
 In case of sufficient output power, the output will transfer to Inverter.
 LED ALARM turns Off and the LED LOAD PROTECTED must be lit.
Synoptic Diagram of first unit Synoptic Diagram of other units
Continue ►