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OPM_SGS_USM_10K_40K_0US_V010.doc 64/88 Operating Manual
SG Series
10, 20, 30 & 40 kVA
7.3.8 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 and LCD screen OFF.
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.
First operated unit All other units of the system
1. Reset the EPO (Emergency Power Off) button.
• Press mute, to reset alarm and buzzer.
First operated unit All other units of the system
2. Press “inverter off” ( O ) key on all Units.
• Rectifiers start with blinking LED.
•
After pressing the “inverter off” key on the last unit of the parallel system, the
output of all Units connect to Bypass Utility.
• The LCD screen shows: “LOAD ON BYPASS”.
First operated unit All other units of the system
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