Modifications reserved
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OPM_SGS_USM_M40_M50_1US_V020.doc
Operating Manual
SG Series 400 & 500 kVA
7.1 PROCEDURES FOR SINGLE UPS
7.1.1 Start-up of the
SG Series
Verify with open front door: Switch
Q1
and
Q2
must be open
(Pos. O).
1. Connect the Utility power on the UPS
.
(In case of separate inputs for
Rectifier
and
Bypass
, connect both).
•
Power supply starts up.
Indicated with flashing
alarm
and
buzzer
sound
.
•
LED’s as indicated will be lit.
•
Press
mute
, to reset
alarm and buzzer
.
2. Close Q1 (Pos. I)
.
•
Bypass Utility
connects to the output.
•
Rectifier
starts automatically, blinking
LED
indicates Soft-start.
•
At the end of
Rectifier
Soft-start,
LED
remains lit.
Proceed with step 3 only, when the LED 3
remains constantly lit.
3. Connect the Battery to the UPS by closing
the external Battery Breaker Release
.
4. Press
“
inverter on
”
( I ) key
.
•
Soft-start of
Inverter
indicated with
blinking
LED
.
•
At the end of Soft-start the
LED
remains
lit.
•
Automatic transfer from
Bypass
to
Inverter
.
•
UPS output
LED
indicates
Load on
Inverter
.
The
LCD
must display on the main screen the status
“LOAD ON INVERTER”
.
END OF PROCEDURE
NOTE !
The
Battery
must be charged for at least 10 hours, in order to ensure the full
backup runtime in the case of a
Utility Failure
.
LED 3