Mitsubishi Electronics 2033C technical manual EPO Emergency Power Off Procedure

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MITSUBISHI

2033C SERIES UPS

Page Number:

ELECTRIC

OWNERS / TECHNICAL MANUAL

3-10

C)EPO (Emergency Power Off) Procedure

If an all power supply shutdown is required in an emergency situation, press the "EPO" button on the front panel. The UPS will be shutdown and no power is supplied to the load.

WARNING : With EPO operation, although all output power from the UPS is shutdown, it is necessary to manually open the input circuit breaker (user supplied), to remove the input power to the UPS.

3.6Maintenance bypass set-up procedures

A)Transfer of load from inverter to maintenance bypass

1.On the front panel, press the "STOP" button. The “BYP.OP.” LED illuminates within 3 seconds.

2.After confirming that the “BYP.OP.” LED is illuminated, Rotate the MBS(52CS/SWM) clockwise to the “TRANSFER” position (Do not rotate 52CS/SWM if the “BYP.OP.” LED is NOT illuminated).

3.After 3 seconds, rotate 52CS/SWM clockwise to the “BYPASS” position.

4.Transfer complete. Load is now powered from the external source. UPS can be shutdown.

B)Transfer of load from maintenance bypass to inverter

1.Rotate 52CS/SWM counterclockwise from the “BYPASS” position to the “TRANSFER” position, wait 5 seconds.

2.On the UPS, confirm the “BYP.OP.” LED is illuminated. If not, press the “STOP” button.

3.Rotate 52CS/SWM counterclockwise to the “NORMAL” position.

4.On the UPS, press the “START” button. The “INV.OP.” LED should illuminate.

5.Transfer complete. Load now powered by the inverter.

MITSUBISHI ELECTRIC 2033C SERIES UPS

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Contents 2033C Series Owners / Technical Manual Number Mitsubishi 2033C Series UPSElectric Owners / Technical Manual Table of Contents List of Tables IiiSingle Line Diagram UPS on Maintenance Bypass Operation List of FiguresHow to use this Manual Important Safety Instructions Retain These Instructions Electric Owners / Technical Manual IntroductionMitsubishi 2033C Series UPS Electric Owners / Technical Manual General Mitsubishi 2033C Series UPS Overview AC input User supplied Single Line Diagram Battery Operation Transfer of load from inverter to maintenance bypass Transfer of load from maintenance bypass to inverter5a UPS Parts Location7.5-20kVA SWM RYDR-X Relay PCB RYDR-X board Signal I/F on RYDR-X board Figure LCD Touch Panel Monitor DisplayExternal contact signal terminal block Reset switch for Service Personnel onlySpecifications UPS Cable Width Depth Height Weight Heat LossKVA EntryAC Input Characteristics BatteryAC Output EnvironmentalComponent Description Component Rating @ 208V,3 phase, 60 Hz Rating of Contactors and FusesLCD Touch Panel Monitor Display and Keypad Main Menu ScreenMain Menu Screen Battery Measurement Screen Measurement ScreensAC Input Measurement Screen AC Output Measurement ScreenElectric Owners / Technical Manual Fault Display Screen Fault Display ScreenBattery operation BAT OP. yellow Alarm Silence Silence gray10Emergency Power Off EPO red 11Load on maintenance bypass MBP redExternal Signal Terminal Block OverloadTerminals 11 to 12 Battery Operation contact Output Contacts for external alarm annunciationTerminals 7 to 8 Load on Inverter contact Input Contacts for remote access of UPS Terminals 3 to 4 Battery Temp. High contact inputExternal communication connector SUB 9Pin maleInstallation and Operation Transportation and InstallationMitsubishi 2033C Series UPS Electric Owners / Technical ManualInstallation Procedure Space requirement for routine maintenanceBattery Minimum clearance required for ventilationMitsubishi 2033C Series UPS RED Burndy UPS Terminal Designation Input/Output Power Terminals 7.5kvA 20kVA NumberDC Input Power Terminal MBSRYDR-X C N a B C NGrounding bar MBS AC Input AC Output DC InputRYDR-X Operating Procedures UPS Start-up Procedure UPS Shutdown ProcedureEPO Emergency Power Off Procedure UPS Fault Electric Owners / Technical Manual Response to UPS FailureElectric Owners / Technical Manual Parts Replacement UPS Component PartsElectric Owners / Technical Manual Fault Codes Contact Mitsubishi Electric Automation, Inc. atMitsubishi Transfer circuit abnormal Call service engineer Mitsubishi 2033C Series UPS Warranty & Out of warranty Service Mitsubishi Electric Automation IncMitsubishi Electric Automation, Inc Register UPS for Warranty Address ChangeCustomer Information

2033C specifications

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