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7.1PROCEDURES FOR SINGLE UPS

7.1.1 Start-up of the SG Series

Verify with open front door: Switch Q1 and Q2 must be open (Pos. O).

1.Connect the Utility power on the UPS.

(In case of separate inputs for Rectifier and Bypass, connect both).

Power supply starts up.

Indicated with flashing alarm and buzzer sound.

LED’s as indicated will be lit.

Press mute, to reset alarm and buzzer.

2.Close Q1 (Pos. I).

Bypass Utility connects to the output.

Rectifier starts automatically, blinking LED indicates Soft-start.

At the end of Rectifier Soft-start, LED remains lit.

3.Connect the Battery to the UPS by closing the Battery Switch or Fuses, in case of External Battery.

4.Press inverter on( I ) key.

Soft-start of Inverter indicated with blinking LED.

At the end of Soft-start the LED remains lit.

Automatic transfer from Bypass to Inverter.

UPS output LED indicates Load on Inverter.

The LCD must display on the main screen the status LOAD ON INVERTER.

End of procedure

The Battery must be charged for at least 10 hours, in order to ensure the full backup runtime in the case of a Utility Failure.

OPM_SGS_USM_10K_40K_0US_V010.doc

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Operating Manual SG Series 10, 20, 30 & 40 kVA