GE SG SERIES 20 - Manual (Page 50)

g
GE
OPM_SGS_USM_10K_40K_0US_V010.doc 50/88 Operating Manual SG Series 10, 20, 30 & 40 kVA
7.2.2 Complete UPS shutdown (No Load supply)
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