From Manual Bypass (Q2) To Normal Function Vfi - GE Digital Energy SG 400 kVA Operating Manual

7.1.3 From Manual Bypass (Q2) to normal function VFI

Initial status:
Load supplied from Manual Bypass.
1. Close Q1 (Pos. I).
• Bypass connects to Load.
LED Load on Bypass lights up.
• Rectifier starts automatically and
LED in Rectifier symbol and LED
Battery charge light up.
Proceed with step 2 only, when the
LED 3 remains constantly lit.
2. Connect the Battery to the UPS by
closing the external Battery Breaker
Release.
3. Open Q2 (Pos. O).
LED Manual Bypass turns OFF.
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".
Modifications reserved
OPM_SGS_USM_M40_M50_1US_V020.doc
LED 3
END OF PROCEDURE
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Operating Manual SG Series 400 & 500 kVA