GE Industrial Solutions SG Series 50 & 80 kVA Operating Manual - Manual (Page 70)

Modifications reserved Page 70/82
OPM_SGS_USM_50K_80K_0US_V030.doc Operating Manual SG Series 50 & 80 kVA
7.4.4 Separate a Unit from the parallel system (System Redundancy)
Initial status: Load supplied from all Inverters.
First operated unit All other units of the system
1. Press and hold “inverter off” ( O ) key on the Unit, to separate, until the LED turns OFF.
Load supplied from Inverter(s) of the other Unit(s) of the parallel system .
First operated unit All other units of the system
2. Open Q1 (Pos. O) and, only when the LED service check is ON, press “total off” button
on the Unit to separate.
First operated unit All other units of the system
3. Disconnect the Battery from the Unit to separate.
• Wait 5 minutes for DC-Link Capacitors discharge.
4. Disconnect the Utility supply from separated Unit.
First operated unit All other units of the system
END OF PROCEDURE
NOTE !
For any further intervention could nearest Service Center.