Critical Power
Modifications reserved
Page 77/91
GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
User Manual
TLE Series 160 - 500 UL S2B
2. Close “Q1 - UPS Output switch” (Pos. I) on all Units
.
•
When closing
“Q1 - UPS Output switch”
on the last unit of the
Parallel System
, the
Automatic Bypass
of all
Units
connects to the
Load
.
•
Rectifiers
start automatically, blinking
LED 1 (Rectifier)
indicates
Soft-start
.
•
At the end of
Rectifier Soft-start
, the
LED 1 (Rectifier)
remains 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
NOTE !
Ensure the LED 1 (Rectifier) is lit before carrying out this procedure.
It indicates that the DC-link 1 and DC-link 2 has reached 400Vdc (see screen MEASURES /
Rectifier)
!
Attention: check the right DC polarities on both side of the switch/fuse holder!
3. Connect the Battery on all Units by closing the “External Battery Protections” and close, if
present, the “CB3 – External Battery switch” (option).
Synoptic Diagram of first unit
Synoptic Diagram of other units
NOTE !
Before performing the next procedure (4) make sure that the LED 3 (Booster/Battery
charger)
is lit.
4. Insert the Inverter performing the “Inverter ON” command on first unit
.
Perform the
“Inverter ON”
command from the screen:
Commands 1 / INVERTER /
ON
.
•
Soft-start
of
Inverter
, indicated with blinking
LED 2 (Inverter)
.
•
At the end of
Soft-start
the
LED 2 (Inverter) remains
lit.
•
In case of sufficient output power, the output will transfer to
Inverter
.
•
LED ALARM
turns Off and the
LED LOAD PROTECTED
must be lit.
Synoptic Diagram of first unit
Synoptic Diagram of other units
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