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OPM_SGS_USM_10K_40K_0US_V010.doc 58/88 Operating Manual
SG Series
10, 20, 30 & 40 kVA
7.3.4 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, in case of External Battery, from the Unit to separate.
•
Wait 5 minutes for DC-Link Capacitors discharge.
4. Disconnect the Utility supply from the separated Unit
.
First operated unit All other units of the system
End of procedure
For any further intervention could nearest Service Center.