Modifications reserved
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OPM_SGS_USM_M75_M75_2US_V010.doc
User Manual
SG Series 750 UL S2 & SG Series 750 T12 UL S2
7.1.4 Complete UPS shutdown
NOTE !
Follow this procedure only in case the UPS system and the
Load
must be completely
powered-down.
If
eBoost™
option is available, make sure that
eBoost™ Operation mode
is disabled
before starting this procedure.
Initial status:
Load supplied from Inverter
.
1. Press
“
Load Off
”
key
.
Load
is disconnected from
UPS.
Rectifier
and
Inverter
are shut down, all output
and input
Contactors
will be opened.
LED 3 (Rectifier ON), LED 5 (Inverter available)
and
LED 9 (Load on UPS)
are OFF.
LED’s,
Rectifier, Inverter
and
Load
are OFF.
The
Battery
remains connected to the UPS in case of configuration without
External
Battery Breaker
!
2. Open the UPS Output Switch Q1 (Pos. O)
.
3.
Disconnect the Battery from the UPS (only for UPS configuration without External Battery
Breaker).
`
Home\Meter
BATTERY
V
15 V
I
5.0 A
T
+25° C
Charge level
80 %
Autonomy
12 Min
Wait a minimum of 5 minutes for
DC-Link
Capacitors
to discharge.
Before you proceed with any kind of intervention on
the UPS, make sure the
DC-Link voltage
be less than
15 VDC.
4. Disconnect the Utility from the input distribution.
•
Complete power shutdown will OFF the
LCD Display
Panel
.
END OF PROCEDURE