GE Industrial Solutions TLE Series 225-500 User Manual - Manual (Page 83)

Critical Power
Modifications reserved Page 83/90
GE_UPS_USM_TLE_SUL_M22_M50_1US_V010.docx User Manual TLE Series 225 - 500 UL S1
7.3.7 Restore to normal operation after “System shutdown”
NOTE !
Make sure the all units of the Parallel System 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, on all UPS
units, 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” of
the Parallel System.
Restore the command “System shutdown”, on
anyone of the parallel units, through the
screen: Commands 1 / System shutdown /
Reset.
 The Load is supplied by the Utility through the
Automatic Bypass of all Units.
 Rectifiers start automatically, blinking LED 1
(Rectifier) indicates Soft-start.
 At the end of Rectifier Soft-start, the LED 1
(Rectifier) remains lit.
 LED ALARM are 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
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