Modifications reserved
Page 48/79
OPM_SGS_USM_M40_M50_2US_V010.doc
User Manual
SG Series 400 & 500 UL S2
2. Close the UPS Output Switch Q1 (Pos. I)
.
•
The
Load
is supplied by the
Utility
through the
Automatic Bypass
.
•
Rectifier
starts automatically, blinking
LED 3 (Rectifier ON)
indicates Soft-start.
•
At the end of
Rectifier
Soft-start the
LED 3 (Rectifier ON)
remains lit.
The
Synoptic Diagram
must display the status
“
LOAD
SUPPLIED BY AUTOMATIC BYPASS
”
.
3. Connect the Battery to the UPS by closing (Pos. I) the External Battery Switch or Fuses.
Attention: to check the right DC polarities on both side of the switch/fuse holder!
LED 4b
(Charging Battery)
should be lit indicating
battery charge
.
ATTENTION !
Before performing this operation, the
LED 3 (Rectifier ON)
must remain lit, thus
indicating that the DC-Link has reached floating voltage (540Vdc)!
4. Insert the Inverter by pressing the “Inverter ON” ( I ) key
.
•
Soft-start of
Inverter
indicated with blinking
LED 5 (Inverter available)
.
•
At the end of Soft-start the
LED 5 (Inverter available)
remains lit.
•
Automatic transfer from
Automatic Bypass
to
Inverter
.
•
UPS output
LED
indicates
Load on Inverter
.
•
LED Alarm
turn Off and the
LED Operation
must be lit.
The
Synoptic Diagram
must display the status
“
LOAD
SUPPLIED BY INVERTER
”
.
5. Load
supply.
SG Series 400 & 500
is now running, supplying power to the output.
Insert the
loads
one by one to the output of the UPS.
Check the output current value of
L1
,
L2
and
L3
and check for correct load balance.
6. Operation mode selection.
SG Series 400 & 500
is delivered normally selected for permanent
VFI
operation.
eBoost™ Operation Mode
can be enabled if available, and the
eBoost START
time &
eBoost STOP
time can
be programmed for each day of the week (see
Section 6.4 SETUP / eBoost)
.
END OF PROCEDURE
NOTE !
The
Battery
must be charged for at least 10 hours, in order to ensure the full backup
runtime in case of a
Utility Failure
.