GE Industrial Solutions SG Series 50 & 80 kVA Operating Manual - Manual (Page 45)

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OPM_SGS_USM_50K_80K_0US_V030.doc Operating Manual SG Series 50 & 80 kVA
7.1.4 Complete UPS shutdown (No Load supply)
NOTE !
The Load must be disconnected.
Initial status:
Load supplied from Inverter.
1. Press “total off” button.
• Load is disconnected from UPS.
• Rectifier is shut down and all output and
input contactors will be opened.
• LED’s, Rectifier, Inverter and Load are OFF.
2. Open Q1 (Pos. O).
• LED service check lights up.
3. Disconnect the Battery from the UPS in case
of External Battery.
• Wait 5 minutes for DC-Link Capacitors
discharge.
4. Disconnect the Utility.
• All LED’s are OFF.
END OF PROCEDURE