Critical Power
Modifications reserved
Page 87/92
GE_UPS_USM_TLE_SUL_M62_1M0_2US_V010.docx
User Manual
TLE Series 625 - 750 - 1000 UL S2
7.3.6
Restore to normal operation after “EPO - Emergency Power Off” 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.
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 “
EPO -
Emergency Power Off”,
with LOAD NOT
SUPPLIED.
1. Restore the “EPO -Emergency Power Off” button.
•
Press
“MUTE”
key to reset
Alarm
and
Acoustical Alarm
.
•
LED ALARM
remains lit.
2. Perform the “Inverter OFF” command on all Units.
Perform the
“Inverter OFF”
command from the screen:
Commands 1 / Inverter /
OFF
.
•
Rectifiers
start automatically.
LEDs 1 (Rectifier)
blinking, indicates
Soft-start
.
•
After performed the
“Inverter OFF”
command on the last unit of the
Parallel System
, the output of all
Units
connect to
Automatic Bypass
.
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
Continue
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