GE Industrial Solutions SG Series 50 & 80 kVA Operating Manual - Manual (Page 47)

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OPM_SGS_USM_50K_80K_0US_V030.doc Operating Manual SG Series 50 & 80 kVA
7.1.6 Restore to normal operation after EPO (Emergency Power Off)
UPS panel after activation of
EPO (Emergency Power Off) with
Utility not available, i.e.
complete shutdown of the UPS.
In this case wait until Utility is
again available, then proceed to
restart the UPS as described
below. Points 1 through 3.
UPS panel after activation of EPO
(Emergency Power Off) with Utility
available.
• All Contacts are open.
• Rectifier, Inverter and Static-Switch
shutdown.
1. Reset the EPO (Emergency Power Off)
button.
• Press mute, to reset alarm and buzzer.
2. Press “inverter off” ( O ) key.
• Output connects to Bypass Utility.
• Rectifier starts with blinking LED.
• At the end of Soft-start the LED
remains lit.
The LCD screen shows: “LOAD ON BYPASS”.
3. Press “inverter on” ( I ) key.
• Inverter starts with blinking LED.
• At the end of Soft-start the LED
remains lit.
• Automatic transfer from Bypass to
Inverter.
• UPS output LED and LCD screen
indicate both: “LOAD ON INVERTER”.
END OF PROCEDURE