GE Industrial Solutions SG Series 750 T12 UL S2 User Manual - Manual (Page 51)

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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