GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 76)

Critical Power
Modifications reserved Page 76/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
7.3.3 From Manual Bypass Q2 to normal function VFI
Initial status:
Load supplied from all Manual Bypass Q2 of
the Parallel System.
All Manual Bypass Q2 of the Parallel System
are closed.
1. Close UPS output switch Q1 (Pos. I) on all Units.
 The Rectifiers will start automatically and at the closure of UPS output switch Q1 of the last Unit, the
output will be supplied parallel from Automatic Bypass and Manual Bypass Q2 of all UPS units.
Soft-start of Rectifiers, indicated with blinking LEDs 1 (Rectifier).
 At the end of Rectifiers Soft-start, the LEDs 1 (Rectifier) remains lit.
The Synoptic Diagram, on all UPS units, must display the status “LOAD SUPPLIED BY AUTOMATIC BYPASS
AND MANUAL BYPASS Q2”.
Synoptic Diagram of first unit Synoptic Diagram of other units
2. Connect the Battery on all Units by closing the external Battery protections and close, if
present, the switch CB3 (option).
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
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