Manuals / Emerson / Computer Equipment / Switch

Emerson MPR15 Series, MPR25 user manual Fan assembly, Low voltage disconnect

Models: MPR15 Series MPR25

1 120

Download 120 pages 55.76 Kb

Page 78

Image 78

78 Maintenance

Figure 27 - Fan assembly

Low voltage disconnect

In case of difficulty, follow the steps indicated below:

Note : When the LVD is defective and has to be removed from the system, bypass the LVD externally (using a #6 AWG cable) to maintain power to the load.

CAUTION

Before readjusting the potentiometers set the test switch to the Test/Bypass position.

UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001

Page 78

Image 78

Emerson MPR15 Series, MPR25 user manual Fan assembly, Low voltage disconnect

Contents

Astec Advanced Power Systems MPR25 / MPR15 Series, Single Phase −25A Switch Mode Rectifier Installation and User ManualPage Astec Advanced Power Systems MPR25 / MPR15 Series, Single Phase −25A Switch Mode Rectifier Installation and User ManualPage January Publication historySeptember November6 Publicaton history February 15October 1 UM5C06B / C 169-2071-500 P0711722 Standard 10.00 MayAbout this manual ContentsSpecifications IntroductionPower shelf Installation and start-up proceduresContents 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualMaintenance Low voltage disconnectAppendix D Technical service assistance List of FiguresAppendix C Recommended replacement parts Appendix B NT5C10CO shelfFigure 37 - System application - NT5C10CA-1/2, NT5C10CB-1/2, 3/4, 5/6 List of Tables25A Switch Mode Rectifier NT5C06B / C Installation and User Manual NT5C10CC-1/2, NT5C10CD-1/2, NT5C10CE-1/2, NT5C10CF-1/2List of Procedures 12 ContentsUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Purpose of this manual Safety precautionsAbout this manual How this manual is organizedThis page is left blank intentionally 14 About this manualUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Introduction ApplicationsTable 1 - NT5C06B/C models Table 2 - Rectifier feature summaryRectifier models MODELElectrical Rectifier voltage and current SpecificationsMechanical 20 A AC breakerFloating Output voltageOutput noise and ripple EqualizingAcoustical noise Efficiency and power factorTemperature ReliabilityTransportation StorageOperation Rectifier operationLocal float / equalize control Indicator lampsDisplay and rear interface Display Figure 1 - NT5C06B/C Rectifier front viewInternal high voltage shut down HVSD Rectifier failure alarm RFAFan failure alarm Local ON/OFF control DC and optional AC breakersCurrent meter Fan cooling assemblyTest points V+ Fan filter optionFeatures Signal connectorPower interface edge connector Operating features Remote voltage sensingSequential start Monitoring features Input AC voltage monitorAC inrush current Parallel operationOutput current monitor Measurement features Remote rectifier current measurementControl features Remote ON/OFF control Remote high voltage shutdownLocal/remote high voltage shutdown reset Signal connectionsRemote equalize control Figure 3 - Signal Connector Designation Rectifier and controller interface connectionsSignal DescriptionPower shelf MechanicalMPS75S Table 4 - Power Shelf Feature SummaryFEATURES MPS75EWhen hooked up to an external RPM1000, order a Hot PEC CodeColor Stand By HSB and an equalize switch assemblyTo use the optional AC Fail Alarm, order NT5C10KC When used with the I/F PCB option, order kit P0736446When used with an RPM1000C, order P0736447 A0627571Operation Table 7 - Modular power shelf system application signal availability25A Switch Mode Rectifier NT5C06B / C Installation and User Manual AC FAILFigure 4 - 19-inch power shelf front view Table 8 - List of abbreviations used in Tables 6 andFigure 7 - Power shelf NT5C10BJ or NT5C10BK interior view Figure 5 - 23-inch power shelf front viewFigure 6 - Power shelf NT5C10BJ or NT5C10BK exterior view 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualFigure 8 - Power shelf NT5C10BM e/w EQL switch assembly Figure 9 - Power shelf NT5C10CO equipped with start delay LEDElectrical 75 A 25 A50 A 46 V DC to -57 V DCEnvironmental TemperatureStorage Procedure 1 - Power shelf installation Installation and start-up proceduresInstallation procedure Position the power shelf against the rack42 Installation and start-up procedures Figure 10 - 19-inch power shelfFigure 11 - 23-inch power shelf UM5C06B / C 169-2071-500 P0711722 Standard 10.00 MayCabling the power shelf Figure 12 - 19-inch power shelf NT5C10BF and NT5C10BP only19-inch embedded shelf NT5C10BA-1/2 Shelf configuration 19-inch system shelf NT5C10CA-1/219-inch embedded shelf NT5C10BF-1 and NT5C10BP 19-inch embedded shelf NT5C10BA-3/423-inch embedded shelf NT5C10BC-1/2 19-inch embedded shelf NT5C10BA-5/6,NT5C10BB-3/419-inch embedded shelf NT5C10BB-1/2 23-inch system shelf NT5C10CB-3/4, NT5C10CE, NT5C10CF, NT5C10CH23-inch embedded shelf NT5C10BL 23-inch embedded shelf NT5C10BC-3, NT5C10BD-323-inch embedded shelf NT5C10BM 23-inch embedded shelf NT5C10BJ, NT5C10BK2 Mount conduit connector with lock nut Procedure 2 - Common bussed AC connection - side access23-inch system shelf NT5C10CO 3 Run and connect wires as illustrated48 Installation and start-up procedures P0711722Procedure 4 - Individual AC connection-side access Procedure 3 - Individual AC connection - side access old vintageFigure 16 - Embedded shelf left view - Individual AC - side access StepFR GRD Procedure 5 - Individual AC connection - side accessCAUTI StepFigure 18 - System shelf left view - common bussed AC - rear access Procedure 6 - Common bussed AC connection - rear accessStep Procedure 7 - DC connection - side access 2 Insert the bushings, run and connect the wires as illustratedStep Step Power plant interface - signal cablingProcedure 8 - DC connection - rear access Rectifier and Controller interface connectionsSIGNAL NT5C10BA-1/2, NT5C10BF-1 and NT5C10BP hot standby power shelfTable 9 - Standard system application signal cable connections DESIGNATIONNT5C10BA-3/4 special operating signal - AC fail NC NT5C10BJ & NT5C10BKConnector J3 Table 10 - J1, J2 and J3 connector pin assignmentConnector J1 & J2 NT5C10BMNT5C10KC Installing the rectifierProcedure 9 - Rectifier installation NT5C10COFigure 21 - Rectifier AC and DC power internal cabling harness Cabling the rectifierOperating voltage Re-install the small LVD faceplate LVD installation in the shelfProcedure 10 - LVD installation in the shelf Figure 22 - Embedded shelf - LVD connections - rear accessStart-up procedure Factory set voltage limits Figure 23 - Embedded shelf - LVD connections - side accessRectifier power-up Procedure 11 - Rectifier power-upStep Re-adjust if needed return to step HVSD adjustmentProcedure 12 - HVSD adjustment Figure 24 - Embedded shelf quick disconnect for sense sectional viewProcedure 13 - Float voltage adjustment Float voltage adjustmentEqualize voltage adjustment Procedure 14 - Equalize voltage adjustmentParallel verification DANGERLow voltage disconnect LVD Procedure 15 - Parallel verificationto reach full stability prior to final adjustment Turn all the DC breakers to the ON positionProcedure 17 - LVD 50 A adjustment for unit release 02, 02A, 3 and 3A Adjustment for the 50 A LVD unit Rel. 02, 02A, 3 & 3AProcedure 16 - Low voltage disconnect adjustment StepProcedure 18 - Low voltage alarm adjustment Low voltage alarm LVA adjustmentLVD/low voltage disconnect / reconnect LVDR adjustment Procedure 19 - Low voltage disconnect/reconnect adjustmentStep Rectifier replacement/add-on procedureProcedure 19 - Low voltage disconnect/reconnect adjustment continued ActionEnvironmental Low voltage disconnectElectrical StorageDC cabling Control and monitoring signalsFigure 26 - Low voltage control and monitoring signals Figure 25 - Low voltage disconnect connectionsSignal connections Test featureOperation The battery voltage is monitored by the low voltage disconnect and low voltage alarm circuit LVA. When the voltage drops to approximately -47 V DC, the LVA LED lights up and the alarm is extended to the terminal blockThis page is left blank intentionally 72 Low voltage disconnectUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Procedure 20 - Float/equalize and remote equalize MaintenanceMaintenance Rectifier Momentarily hold the FLT/EQL switch to EQL for local equalizeFan cooling Power shelfFilter DANGERTroubleshooting Rectifier fail alarm Low voltage disconnectFan failure Fan replacement procedure DANGERProcedure 21 - Fan replacement Load sharingStep Procedure 21 - Fan replacement continuedVerify and ensure that the fan spins freely, without interference cooling applicationFigure 27 - Fan assembly Low voltage disconnectPossible cause Fault diagnosisSymptom The switch is on the Test/Bypass position80 Maintenance This page is left blank intentionallyUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May 25A Switch Mode Rectifier NT5C06B / C Installation and User Manual Figure 28 - System application power shelf MPS50S and MPS75SReferences NT5C10 SYSTEM APPLICATION POWER SHELF82 References Figure 29 - Embedded application power shelf MPS50E and MPS75ENT5C10 EMBEDDED APPLICATION POWER SHELF UM5C06B / C 169-2071-500 P0711722 Standard 10.00 MayNT6C13 LOW VOLTAGE DISCONNECT FOR THE NT5C10 POWER SHELF Figure 30 - Low voltage disconnect25A Switch Mode Rectifier NT5C06B / C Installation and User Manual ReferencesEmbedded application 19 Oxford grey Figure 31 - Power shelf wiring figure index Embedded application19 Brown Embedded application 19 BrownFigure 32 - NT5C10BA-5/6 and NT5C10BB-1/2, 3/4 embedded application 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualReferences Figure 33 - NT5C10BA-1/2 embedded application 86 ReferencesUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May References Figure 34 - NT5C10BA-3/4 embedded application25A Switch Mode Rectifier NT5C06B / C Installation and User Manual AC RELAYFigure 35 - NT5C10BD embedded application 88 ReferencesUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May References 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualFigure 36 - NT5C10BD and NT5C10BP embedded application OUTPUTCIRCUIT 90 ReferencesTO FIRST UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May25A Switch Mode Rectifier NT5C06B / C Installation and User Manual References92 References UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May25A Switch Mode Rectifier NT5C06B / C Installation and User Manual References94 References P0711722TO -48VDC OUTPUT 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualReferences P073644296 References Figure 43 - Embedded application NT5C10BLUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Figure 44 - Embedded application NT5C10BM e/w NT5C10KB 25A Switch Mode Rectifier NT5C06B / C Installation and User ManualReferences Figure 45 - System application NT5C10CO 98 ReferencesUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May References Figure 46 - Application NT5C06B/C25A Switch Mode Rectifier NT5C06B / C Installation and User Manual FIG. 41AThis page is left blank intentionally 100 ReferencesUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Appendix A NT5C10BF-1 and NT5C10BP Table 11 - Application configuration tableAlarms PurposeFactory set voltage limits AlarmsPower and signal lead termination FTOP applicationmain/standby Table 12 - Application configuration tableRectifier AlarmsTB1-5 General requirements Power shelf sizeShelf labeling TB1-6NT5C10CO power shelf Description Appendix B NT5C10CO shelfGeneral Technical specifications should be as follows 24-hour delay Power-up and verification VerificationProcedure 22 - Power-up and verification Plug the AC power plug into the wall receptacleOPEN Adjustment and verificationProcedure 23 - Adjustment and verification CLOSEDSet the timer switch as shown in the following illustration Procedure 23 - Adjustment and verification continuedNo alarm indication on the system monitoring unit after The DELAYED START yellow LED at the circuit pack isNT5C06BB,BB-1,BB-3,BC Rel.10 NT5C06CA,CA-1,CA-3,CA-5,CC Rel.10 Troubleshooting Table 13 - Systems equipped with NT5C10CO power shelf fault diagnosisThis page is left blank intentionally 112 Appendix B NT5C10CO shelfUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May A0370200 Appendix C Recommended replacement parts25A Switch Mode Rectifier NT5C06B / C Installation and User Manual P0710139114 Appendix C Recommended replacement parts This page is left blank intentionallyUM5C06B / C 169-2071-500 P0711722 Standard 10.00 May Appendix D Technical service assistance Local toll-free prefixesCountry Canada Toll-free technical assistance numbersUnited States In EuropeLVDR Abbreviations and acronymsHVSD FAN ALMThis page is left blank intentionally 118 Abbreviations and acronyms167-2071-500 Standard 8.0 May Page 25A Switch Mode Rectifier MPR25 / MPR15 Series, Single PhaseNT5C06B/C Installation and User Manual