Modifications reserved
Page 72/79
OPM_SGS_USM_M40_M50_2US_V010.doc
User Manual
SG Series 400 & 500 UL S2
2 Insert the Inverter by pressing the
“
Inverter ON
”
( I ) key on first unit.
•
Soft-start of
Inverter
, indicated with blinking
LED 5 (Inverter available)
.
•
At the end of Soft-start the
LED 5 (Inverter available)
remains lit.
•
In case of sufficient output power, the output will transfer to
Inverter
.
•
LED Alarm
turn Off and the
LED Operation
must be lit.
Synoptic Diagram of first unit
Synoptic Diagram of other units
3. Insert the Inverter by pressing the
“
Inverter ON
”
( I ) key on all other units.
Do not start the next
Inverter
until the sequence of the previous ends.
•
Soft-start of
Inverter
, indicated with blinking
LED 5 (Inverter available)
.
•
At the end of Soft-start the
LED 5 (Inverter available)
remains lit.
•
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
.
•
LED Alarm
turn Off and the
LED Operation
must be lit.
The
Synoptic Diagram
, on all UPS units, must display the status
“
LOAD SUPPLIED BY INVERTER
”
.
Synoptic Diagram of first unit
Synoptic Diagram of other units
END OF PROCEDURE