Emerson 755A Specifications

DISCONTINUED PRODUC TAC PowerFor Business-Critical Continuity™Liebert® Series 610™ UPSOperation & Maintenance Manual - 100-1000kVA, 60Hz, Three Ph

DISCONTINUED PROD UC TIntroduction4Figure 3 System Control CabinetsTypes of System Control Cabinets (SCCs)• SCCT—A stand-alone cabinet containing syst

DISCONTINUED PROD UC TOperation94Module Shutdown ProcedurePerform a Module Shutdown Procedure when you want to remove power from a UPS module when req

DISCONTINUED PROD UC TOperation95Local Emergency Modules Off (LEMO)The UPS controls at the SCC include an Emergency Module Off pad (Figure 10, item 12

DISCONTINUED PROD UC TOperation963.5.1 Overloads (Without Transfer)The UPS system is capable of sustaining full output voltage (±2% of the nominal vol

DISCONTINUED PROD UC TOperation973.5.3 Automatic Retransfers to UPSAutomatic Retransfer to UPS is an option that you can select from the SCC System Co

DISCONTINUED PROD UC TMaintenance984.0 MAINTENANCE4.1 Safety PrecautionsObserve the safety precautions in Important Safety Instructions on page 1 and

DISCONTINUED PROD UC TMaintenance994.2 Liebert Global ServicesStart-up, UPS maintenance, battery maintenance and training programs are available for t

DISCONTINUED PROD UC TMaintenance1004.3 Routine MaintenanceYou are encouraged to become thoroughly familiar with the equipment, but at no time should

DISCONTINUED PROD UC TMaintenance1014.3.3 Limited Life ComponentsYour Liebert UPS has a design life well in excess of 10 years. Well-maintained units

DISCONTINUED PROD UC TMaintenance1024.4 Battery Maintenance 4.4.1 Battery Safety PrecautionsServicing of batteries should be performed or supervised b

DISCONTINUED PROD UC TMaintenance103Battery Safety Precautions In French Per CSA RequirementsInstructions Importantes Concernant La SécuritéConserver

DISCONTINUED PROD UC TIntroduction5Other Factors to ConsiderReliability depends on more than just UPS module design. Improper installation can cause a

DISCONTINUED PROD UC TMaintenance104Regular maintenance of the battery module is an absolute necessity. Periodic inspections of battery and terminal v

DISCONTINUED PROD UC TMaintenance105If you have a different model battery, contact Liebert Global Services for the required torque value. To access ba

DISCONTINUED PROD UC TMaintenance1064.4.2 Torque RequirementsAll electrical connections must be tight. Table 15 provides the torque values for the con

DISCONTINUED PROD UC TMaintenance1074.6 Reporting a ProblemIf a problem occurs within the UPS, review all alarm messages along with other pertinent da

DISCONTINUED PROD UC TSpecifications1085.0 SPECIFICATIONS5.1 RatingThe kVA and kW ratings and the nominal voltages and currents for continuous operati

DISCONTINUED PROD UC TSpecifications1095.2 Environmental Conditions Table 17 Specifications applicable to environmentEnclosureThe UPS is housed in a N

DISCONTINUED PROD UC TSpecifications1105.3 AdjustmentsAll adjustments are set at the factory or during start-up and normally do not have to be field r

DISCONTINUED PROD UC TSpecifications1115.5 Electrical Specifications RECTIFIER INPUTInput VoltageStandard voltages for 100 - 450kVA units: 208, 480 an

DISCONTINUED PROD UC TSpecifications112

DISCONTINUED PROD UC T

DISCONTINUED PROD UC TIntroduction61.4.3 RechargeAfter the utility source power is restored or an alternate power source becomes available, each recti

EmersonNetworkPower.comEnsuring The High AvailabilityOf Mission-Critical Data And Applications.Emerson Network Power, the global leader in enabling bu

DISCONTINUED PROD UC TIntroduction7Figure 4 SCC controls and display screen with example of the Monitor/Mimic screen © 1989-2003

DISCONTINUED PROD UC TIntroduction8The operator controls and Monitor/Mimic screen for the System Control Cabinet (SCC) are shown in Figure 4. The cont

DISCONTINUED PROD UC TIntroduction92. Battery Racks or Cabinets The battery racks are specifically designed for stationary service batteries. They are

DISCONTINUED PROD UC TTheory of Operation102.0 THEORY OF OPERATION2.1 General Component DescriptionsThe UPS system includes all of the equipment neces

DISCONTINUED PROD UC TTheory of Operation11Figure 6 UPS module block diagram2.1.2 UPS ModuleThe UPS module consists of module controls, a rectifier/ch

DISCONTINUED PROD UC TTheory of Operation122.2 Detailed Component Descriptions2.2.1 ControlsHardwareThe Liebert Series 610 UPS Operator Interface Disp

DISCONTINUED PROD UC TTheory of Operation132.2.2 Rectifier/ChargerThe UPS module rectifier/charger consists of an input circuit breaker, AC current li

DISCONTINUED PROD UC T BATTERY CABINET PRECAUTIONSThe following warning applies to all battery cabinets supplied with UPS systems. Additional

DISCONTINUED PROD UC TTheory of Operation142.2.3 Battery Charging CircuitThe UPS module charging circuit is capable of recharging the battery plant to

DISCONTINUED PROD UC TTheory of Operation152.2.4 InverterThe inverter is a solid state device that converts the DC output of the rectifier/charger or

DISCONTINUED PROD UC TTheory of Operation162.2.5 Static BypassA static bypass is an integral part of the UPS System Control Cabinet (SCC). Refer to Fi

DISCONTINUED PROD UC TTheory of Operation17Static Switch IsolationThe motor-operated system bypass circuit breaker (SBB), wired in parallel with the s

DISCONTINUED PROD UC TTheory of Operation18Transfer and Retransfer Conditions1. Automatic Transfers to BypassCritical bus conditions that will initiat

DISCONTINUED PROD UC TTheory of Operation196. Retransfer InhibitedA retransfer from the bypass source to the UPS system shall be inhibited if any of t

DISCONTINUED PROD UC TOperation203.0 OPERATION3.1 Display Screen and Operator ControlsEach Liebert Series 610 UPS cabinet is equipped with a microproc

DISCONTINUED PROD UC TOperation21Figure 8 Typical operator controlsTable 1 Typical operator controlsItem Description Function1 Input Circuit Breaker (

DISCONTINUED PROD UC TOperation22Figure 9 Operator controls, typical SCCT System Control Cabinet Table 2 Typical SCCT System Control Cabinet operator

DISCONTINUED PROD UC TOperation23Figure 10 Liebert Series 610 UPS and SCC operator control panels Table 3 Liebert Series 610 UPS and SCC operator cont

DISCONTINUED PROD UC TiTABLE OF CONTENTSBATTERY CABINET PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSIDE FRONT CO

DISCONTINUED PROD UC TOperation24Figure 11 Switches behind SCC control panel door Table 4 Liebert Series 610 UPS and SCC operator control panelsItem D

DISCONTINUED PROD UC TOperation253.2 Menu Tree NavigationThe Operator Interface Display is a blue-background display with white text. The display is a

DISCONTINUED PROD UC TOperation26Figure 12 illustrates the primary screens that you can access through the Operator Interface Display System. The liqu

DISCONTINUED PROD UC TOperation27From any primary screen (accessed directly from the Master Menu), pushing the Select pad once will return you to the

DISCONTINUED PROD UC TOperation28• Battery Test (MMU Only)—The optional battery test screen allows the operator to perform manual battery tests to det

DISCONTINUED PROD UC TOperation29Status/Alarm Message AreasThe status/alarm message areas display vital information about the operation of the UPS sys

DISCONTINUED PROD UC TOperation303.2.3 Module Monitor/Mimic Display ScreenFrom module Master Menu move the highlighted cursor to MONITOR/MIMIC DISPLAY

DISCONTINUED PROD UC TOperation31Alarm MessagesThe alarm message area displays vital information about the operation of the UPS system. During normal

DISCONTINUED PROD UC TOperation32Figure 16 Monitor/Mimic display example: Normal power flowUPS INPUT PWRUPS RATINGSA-B B-C C-ABYPASS INPUTA-B B-C C-AL

DISCONTINUED PROD UC TOperation33Figure 17 Monitor/Mimic display example: Utility failUPS RATINGSLOADByp Not AvailStatic Sw UnableModule Sum AlmUPS IN

DISCONTINUED PROD UC Tii3.3 Modes of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISCONTINUED PROD UC TOperation34Figure 18 Monitor/Mimic display example: Load on bypass, UPS modules on and charging batteryUPS INPUT PWRBATTERYVOLTS

DISCONTINUED PROD UC TOperation35Figure 19 Monitor/Mimic display example: Load on UPS, one UPS module off lineUPS INPUT PWRBATTERYVOLTS 540AMPS 75 CHA

DISCONTINUED PROD UC TOperation36Figure 20 Monitor/Mimic Display example: Load on bypass, all UPS modules off lineUPS INPUT PWRBATTERYVOLTS 540AMPS 75

DISCONTINUED PROD UC TOperation373.2.4 Walk-In Display ScreenFrom the module Master Menu, highlight WALK-IN DISPLAY and then press the Select pad. Not

DISCONTINUED PROD UC TOperation383.2.5 Status Reports ScreensGo to the Master Menu and move the highlighted cursor to STATUS REPORTS. Press the Select

DISCONTINUED PROD UC TOperation39Figure 23 Present status report screens, SCC (above) and moduleEvent HistoryThe Event History screen lists the active

DISCONTINUED PROD UC TOperation40History StatusThe History Status screen displays 64 frames, of 4 milliseconds each, from the Present Status screen. N

DISCONTINUED PROD UC TOperation41Table 5 shows the alarm conditions that stop the History Status buffer from gathering data.The History Status buffer

DISCONTINUED PROD UC TOperation42System StatusThe System Status screen displays the module Total Operating Hours, Enable Backlight and the Bat-tery Cy

DISCONTINUED PROD UC TOperation43The Summary screen (Figure 27) shows Total Number of Discharge Cycles, Accumulated Battery Time, Accumulated Battery

DISCONTINUED PROD UC TiiiFIGURESFigure 1 Multi-Module UPS, 100-500kVA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISCONTINUED PROD UC TOperation443.2.6 System Configuration ScreensGo to the Master Menu and move the highlighted cursor to SYSTEM CONFIGURATION. Pres

DISCONTINUED PROD UC TOperation45DateThis is the system’s real-time date setting. The system control program sends to each module the date entered at

DISCONTINUED PROD UC TOperation46TimeThis is the system’s real-time clock. The system control program sends to each module the time entered at the Sys

DISCONTINUED PROD UC TOperation47Auto DialThis is a feature that automatically dials (through a customer supplied PC-compatible modem) a pre-programme

DISCONTINUED PROD UC TOperation48Modem Baud RateThis sets the transmission rate at which the system relays data to a terminal through the modem.Figure

DISCONTINUED PROD UC TOperation49To change the Maximum Auto-Retransfer Attempts parameter, do the following at the SCC:1. From the System Configuratio

DISCONTINUED PROD UC TOperation50Figure 37 Battery test screen—MMU onlyFigure 38 Battery test results screenContinuous Duty Static Switch (Optional)Th

DISCONTINUED PROD UC TOperation51Figure 39 Monitor/Mimic display example: Continuous Duty Static SwitchRemote MonitorThe Remote Monitor Panel (optiona

DISCONTINUED PROD UC TOperation523.2.7 Alarm Limit Settings ScreenGo to the Master Menu and move the highlighted cursor to LIMIT SETTINGS. Press the S

DISCONTINUED PROD UC TOperation53Battery Rating (Modules Only): This setting is a battery discharge rating in kilowatts under par-tial load for an ext

DISCONTINUED PROD UC TivFigure 50 Battery equalize screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISCONTINUED PROD UC TOperation543.2.8 Load Transfer Procedures ScreenGo to the SCC Master Menu and move the highlighted cursor to LOAD TRANSFER PROCE

DISCONTINUED PROD UC TOperation553.2.9 Start-Up Procedures ScreenFrom the SCC Master Menu, move the highlighted cursor to START-UP PROCEDURES. Press t

DISCONTINUED PROD UC TOperation56Figure 43 Module start- up procedures screensPrior to this procedure, supply power to the critical load through the b

DISCONTINUED PROD UC TOperation57Figure 44 SCC shutdown procedures screen To perform the shutdown procedure, transfer the critical load from the UPS s

DISCONTINUED PROD UC TOperation58To perform the shutdown procedure, transfer the critical load from the UPS system to the bypass line (at the SCC). Th

DISCONTINUED PROD UC TOperation59Values for Calculated Total Time and Calculated Time Remaining will appear on the screen approxi-mately two minutes a

DISCONTINUED PROD UC TOperation60The Liebert Series 610 dynamically adjusts the Battery Shutdown voltage based on battery charac-teristics and the len

DISCONTINUED PROD UC TOperation613.2.12 Meter Calibration ScreenGo to the Master Menu and move the highlighted cursor to METER CALIBRATION. Press the

DISCONTINUED PROD UC TOperation623.2.13 Battery Equalize ScreenGo to the Master Menu and move the highlighted cursor to BATTERY EQUALIZE. Press the Se

DISCONTINUED PROD UC TOperation633.2.14 Alarm and Status MessagesModule Status MessagesThe module status messages indicate how many UPS modules are in

DISCONTINUED PROD UC T1IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important instructions that should be followed during

DISCONTINUED PROD UC TOperation64Load Block MessagesStatus messages in the Load Block indicate how many modules are in the system, how many modules ar

DISCONTINUED PROD UC TOperation65Table 9 Alarm messages - meaning and corrective actionAlarmMessageCabinetLocationSpecialFunctions Meaning and Correct

DISCONTINUED PROD UC TOperation66BYPASS (Cont’d.)Auto Transfer to BypassSCC D, E, FThe critical load has been automatically transferred to the bypass

DISCONTINUED PROD UC TOperation67UPS SYSTEM (Cont’d.)Overload TransferSCC D, F, L, SThe load on the UPS has exceeded the current versus time window of

DISCONTINUED PROD UC TOperation68Battery Overtemp MMU D, SBattery Temp option must be installed and enabled. Battery Temp exceeds the programmed limit

DISCONTINUED PROD UC TOperation69Table 10 Alarm messages - summaryAlarm Message MMU SCC Special FunctionsInput Fail X— —DC Ground Fault X— D, L, SDC C

DISCONTINUED PROD UC TOperation703.2.15 Communication InterfacesYour Liebert Series 610 UPS includes the following communication ports:• Worldwide rep

DISCONTINUED PROD UC TOperation71For example, to see a copy of information on the Present Status Report screen from the SCC (see Present Status in thi

DISCONTINUED PROD UC TOperation72Remote Monitor PanelThe Liebert Remote Monitor Panel provides an LED indication of the following conditions:• Load On

DISCONTINUED PROD UC TOperation733.3 Modes of OperationThis section illustrates the flow of power through circuit breakers, switches and UPS component

DISCONTINUED PROD UC TIntroduction21.0 INTRODUCTION1.1 System DescriptionThe role of the parallel-redundant multi-module UPS system is to supply unint

DISCONTINUED PROD UC TOperation743.3.1 Load on BypassLoad on Bypass, with the UPS not available, is shown in Figure 52. The UPS system could be in thi

DISCONTINUED PROD UC TOperation75Figure 53 Load on bypass, UPS available Figure 54 Load on UPS, bypass available BIBSKRUMIBMBBIR#2UPSCB1CB2IR#1UPSCB1S

DISCONTINUED PROD UC TOperation763.3.3 Momentary OverloadsAn overload in the critical load will continue to be supplied by the UPS system if the overl

DISCONTINUED PROD UC TOperation773.3.4 Input Power Failure—Load on BatteryIf the utility AC power source fails or is outside the acceptable range, the

DISCONTINUED PROD UC TOperation783.3.5 One Module Off-LineA multi-module UPS system can be supplied with a back-up (redundant) UPS module, which is th

DISCONTINUED PROD UC TOperation793.3.6 Off BatteryThe battery plant can be disconnected from the UPS modules, if required for battery maintenance, by

DISCONTINUED PROD UC TOperation803.3.7 Emergency Modules OffThe Local Emergency Modules Off (LEMO) mode is used to remove power from all UPS system co

DISCONTINUED PROD UC TOperation813.3.8 Remote Emergency Power OffThe Remote Emergency Power Off (REPO) mode is used to remove all power from the criti

DISCONTINUED PROD UC TOperation823.3.9 System ShutdownPerform a System Shutdown procedure when you must disconnect the UPS system components from all

DISCONTINUED PROD UC TOperation83.Figure 62 Load on maintenance bypass, two breakersFigure 63 Load on maintenance bypass, three breakers!CAUTIONInstru

DISCONTINUED PROD UC TIntroduction3In the unlikely event of a fault within the UPS, the SCC control logic, which continuously monitors all critical ci

DISCONTINUED PROD UC TOperation843.4 Manual ProceduresThe Liebert Series 610 UPS system is designed to function while unattended by an operator. The s

DISCONTINUED PROD UC TOperation85Step 1. Before you apply power to the UPS modules, determine the position of the following circuit breakers and switc

DISCONTINUED PROD UC TOperation86Step 2. If the bypass line is not supplied to the SCC, the LCD screen will be blank. Energize the bypass line by oper

DISCONTINUED PROD UC TOperation87e. If the UPS Bypass line is available, but not yet supplying power to the load, close the circuit breakers (external

DISCONTINUED PROD UC TOperation883.4.2 UPS Module Start-UpWhen a UPS module has been shut down for any reason, use this procedure to start-up the UPS

DISCONTINUED PROD UC TOperation89Figure 65 Module start-up procedures screen Select the Walk-In screen on the LCD.Step 3. To energize the UPS module,

DISCONTINUED PROD UC TOperation90The Battery block in the Monitor/Mimic Display indicates the battery voltage and charge current. Use the Monitor/Mimi

DISCONTINUED PROD UC TOperation913.4.3 Load Transfer ProceduresUse the Monitor/Mimic Display at the SCC to determine the operating condition of the UP

DISCONTINUED PROD UC TOperation923.4.4 Maintenance Bypass Load TransfersTo manually transfer the load between Maintenance Bypass and the UPS system by

DISCONTINUED PROD UC TOperation933.4.5 Shutdown ProceduresSystem Shutdown ProcedurePerform a System Shutdown Procedure when you want to remove power f