Installation guide

Modifications reserved Page 45/82
OPM_SGS_USM_M10_M15_0US_V030.doc Operating Manual SG Series 100 – 120 - 150 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