Mitsubishi Electronics 9800A SERIES LED Display Load on inverter Load on Inverter green

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MITSUBISHI	9800A SERIES UPS	Page Number:
ELECTRIC	OWNERS / TECHNICAL MANUAL	2-2

2.1 LED Display

1)Load on inverter [ LOAD ON INVERTER ](green)

Illuminates when power is supplied from inverter to the critical load. (Indicates the state of inverter transfer switch "52C".)

2)Battery operation [ BATTERY OP. ](yellow)

Illuminates when power is supplied from batteries following a power failure.

3)Load on bypass [ LOAD ON BYPASS ](green)

Illuminates when power is supplied to load devices by static bypass. (Indicates the state of bypass transfer switch "52S".)

4)Overload [ OVERLOAD ](red) Illuminates in overload condition.

5)LCD fault [ LCD FAULT ](red) Illuminates when an error occurs.

6)UPS fault [ UPS FAULT ](red) [Annunciator: intermittent or constant tones] Illuminates when an error occurs in the system. In this case, the details of the error are indicated on the display panel.

2.2EPO button (Emergency Power Off button) (7)

When activated, the Emergency Power Off (EPO) function shuts down the UPS module. The critical load will lose power and also shutdown. The EPO function can be performed both locally or remotely.

MITSUBISHI ELECTRIC 9800A SERIES UPS

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Contents ALN-H0776 For parallel operation possible model onlyPreface Parts Replacement Table of ContentsList of Tables List of Figures How to use this Manual Introduction Important Safety Instructions Retain These InstructionsMitsubishi 9800A Series UPS General Mitsubishi 9800A Series UPS Overview Static Transfer Single Line Diagram Battery Operation 52S CUPS Parts Location 500kVA DUPS Parts Location 750kVA SYNC.LED Mitsubishi 9800A Series UPS Specifications Environmental InputRating of Contactors and Fuses 540V Operator Controls and IndicatorsLoad on bypass Load on Bypass green Battery operation Battery OP. yellowLED Display Load on inverter Load on Inverter green Start/Stop screen Figure Liquid Crystal DisplayMenu Measurement Menu Figure Start/Stop screenSetup Menu Figure 11 Main screen Input Power Failure13 Main screen Fault indication Fault Indication FigureTN1 External Signal Terminal Block52L AX 52C AX TN216 Control Wiring for External Contacts Output Contacts for external alarm annunciationTerminals 3 to 4 Remote Inverter Stop input terminal IN2 Input Contacts for remote access of UPSTerminals 5 to 6 Battery Temp. High contact input IN3 External communication connector Terminals 7 to 8 Power Demand Command contact input IN4Mitsubishi Electric 9800A Series UPS Mitsubishi 9800A Series UPSElectric Owners / Technical Manual External Battery SupplyProcedure for Cable Connections Mitsubishi 9800A Series UPS Mitsubishi 9800A Series UPS Recommended Cable Sizes Crimp Type Compression Lug UPS module Auxiliary Negative +Positive Input UPS module Cabinet Input Cabinet Bypass Output Input A50,B50,C50 A40,B40,C40 Mitsubishi 9800A Series UPS Input Input Cabinet UPS module Wall mounted DC breaker UPS Floor mounted DC breaker Input cabinet UPS module Auxiliary N50 Rectifier Cabinet Critical Load Cabinet UPS-2 AC Output Critical Load CabinetIOAU-04 UPS-1 AC OutputUPS-2 IOAU-04 TN2 UPS-1 IOAU-04 TN2A Start-up Procedure Operating Procedures Start-up ProcedureB Shut-down Procedure Shut-down ProcedureUPS-1 Bypass Operation ProcedureElectric Owners / Technical Manual Response to UPS Failure UPS FaultUPS Component Parts BatteryContact Mitsubishi Electric Automation, Inc. at Fault CodesNumber Mitsubishi ElectricIgbt Fault a Inverter Voltage Emergency Stop Mitsubishi Electric 9800A Series UPS Mitsubishi Electric Automation Inc 847