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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