Modifications reserved
Page 52/79
OPM_SGS_USM_M40_M50_2US_V010.doc
User Manual
SG Series 400 & 500 UL S2
4. Open the Manual Bypass Switch Q2 (Pos. O)
.
•
The
Load
is supplied by the
Utility
through the
Automatic Bypass
.
•
LED 8 (Automatic Bypass ON)
is lit and
LED 9
(Manual Bypass Q2 ON)
turns OFF.
The
Synoptic Diagram
must display the status
“
LOAD
SUPPLIED BY AUTOMATIC BYPASS
”
.
5. 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
.
•
LED Alarm
turn Off and the
LED Operation
must be lit.
The
Synoptic Diagram
must display the status
“
LOAD
SUPPLIED BY INVERTER
”
.
END OF PROCEDURE