Modifications reserved
Page 64/86
OPM_SGS_USM_M40_M50_1US_V020.doc
Operating Manual
SG Series 400 & 500 kVA
Proceed with step 2 only when the
LED 3 remains constantly lit
on all
units of the parallel system
2. Connect the battery to all Units by
closing the external Battery Breaker
Release
.
3 Press
“
inverter on
”
( I ) key on first unit
.
•
Soft-start of
Inverter
, indicated with blinking
LED
.
•
At the end of Soft-start the
LED Inverter
remains lit.
•
In case of sufficient output power, the output will transfer to
Inverter
.
•
UPS output
LED
indicates
Load on Inverter
and the
LCD
must display on the main
screen the status
“LOAD ON INVERTER”
.
First operated unit
All other units of the system
4. Press
“
inverter on
”
( I ) key on all other units
.
(Do not start the next
Inverter
until the sequence of the previous ends)
•
As soon as the output power of the
Inverters
is sufficient to supply the
Load
, the
output of the units with running
Inverter
will transfer to
Inverter
.
•
All
LED’s Inverter
,
Load on Inverter
and
Load
supplied are ON.
First operated unit
All other units of the system
The
LCD
must display on the main screen on all
Units
the status
“LOAD ON INVERTER”
.
END OF PROCEDURE
LED 3