Critical Power
Modifications reserved
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GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
User Manual
TLE Series 160 - 500 UL S2B
7.3.5
Restore to normal operation after “System shutdown” with Load not supplied
WARNING !
Please check and ensure the conditions of the connected load are safe before
proceeding, as this procedure will result in the connection of power to the load
circuit(s).
NOTE !
Before performing this operation, make sure that all units of the Parallel System are
in the following status:
“Q1 - UPS Output switch”
MUST BE CLOSED.
“External Battery Protections”
MUST BE DISCONNECTED and the “CB3 -External
Battery switch – option”
MUST BE OPEN.
If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabled
before starting this procedure.
If IEMi option is available, make sure that IEMi Operation Mode is disabled before
starting this procedure.
View of the Synoptic Diagram, on all UPS
units, after performed the command “System
shutdown”,
with LOAD NOT SUPPLIED.
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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