Critical Power
Modifications reserved
Page 128/146
GE_UPS_OPM_TLE_SCE_M60_M80_1GB_V020.docx
User Manual
TLE Series 600 & 800 CE S1
8.3.3
Reconnect a UPS unit to Redundant Parallel System
NOTE:
The
Load
is still powered by the other units supplying the
parallel bus
.
This UPS unit will be powered on and connected to the
parallel bus
in order to
share the
Load
with each other's.
The high speed bus cable connecting
J1A - J2A
and
J1B - J2B
in any case cannot be
connected or disconnected after the system has been powered on.
The bus terminals must be properly connected before powering the additional
unit.
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.
Open the front door, of the Unit to reconnect, and make sure that:
All the
connections
to the input/output terminals or bus bars of the UPS have been made correctly.
The
protection panels
are fastened in their correct position.
The switch
Q1
is open (Pos. O)
and the
“External Battery Protections”
must be open
(Pos. O).
1. Switch-ON the Mains voltage, on the Unit to reconnect, from the input distribution (both
Rectifier and bypass if separated).
At this stage the
Electronic Power Supply
and
Control Panel
are switched ON and the
Buzzer
sounds.
Press
“MUTE”
key to reset
Acoustical Alarm
.
LED ALARM
remains lit.
Synoptic diagram of the unit to reconnect
Synoptic diagram of other units
2. Close
“Q1
-
UPS Output switch”
(Pos. I) on the Unit to reconnect
.
Rectifier
starts automatically.
LED 1 (Rectifier)
blinking, indicates
Soft-start
.
At the end of
Rectifier Soft-start
the
LED 1 (Rectifier)
remains lit.
Synoptic diagram of the unit to reconnect
Synoptic diagram of other units
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