Xtreme 20kVA User And Installation Manual

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Xtreme 20kVA User And Installation Manual Manual pdf 25 page image

R90 ONLINE USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)Xtreme Power Conversion Corporation (Rev 3/7/14) Page 25Cold Start ProcedureCAUTION!Follow these procedures when there is an input AC Utility Failure but the batteries arenormal.• Turn on the battery switch.o The battery will feed the Auxiliary power board.• Trigger the Cold Start Buttons of the modules respectively using the ON BUTTON shown in theabove diagram.o When battery is normal, the rectifier starts operation. 30 seconds later the inverterstarts and operates, INV and Output light up.CAUTION!Wait for approximately 30 seconds before pressing the ON BUTTON.Inverter OffWhen the Utility is normal, press OFF BUTTON for approximately 1 second until you hear a beep. TheINVERTER LED will extinguish, the BYPASS LED will be illuminated, then the UPS turns to bypass supply.Disconnecting from UtilityCAUTION!This procedure should be followed to completely shut down the UPS and the LOAD.After all power switches, isolators, and circuit breakers are opened, there will be nooutput power from the UPS.• After the inverter is off, turn the Utility and Battery breakers to “OFF”. The LCD display willextinguish completely and the fan stops spinning in 60 seconds. If there are external batterypacks connected, turn the Battery breakers on each battery pack to the “OFF” position.