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Mitsubishi Electric 9900CX SERIES Owner Technical Manual

Inclusive parallel operation system application.
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U-ENM00043, REV 0
UNINTERRUPTIBLE POWER SUPPLY SYSTEM
MODEL
9900CX SERIES
OWNER'S / TECHNICAL MANUAL
(Inclusive Parallel Operation System Application)
®
UNINTERRUPTED Peace of Mind

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Table of Contents

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   Summary of Contents for Mitsubishi Electric 9900CX SERIES

  • Page 1 U-ENM00043, REV 0 UNINTERRUPTIBLE POWER SUPPLY SYSTEM MODEL 9900CX SERIES OWNER’S / TECHNICAL MANUAL (Inclusive Parallel Operation System Application) ® UNINTERRUPTED Peace of Mind...
  • Page 2 Preface Revision A 04/04/2017 4GBA0114...
  • Page 3: Table Of Contents

    3.3 PROCEDURE FOR CABLE CONNECTIONS ............3-2 3.4 OPERATING PROCEDURES ................... 3-8 4.0 RESPONSE TO UPS FAILURE ................4-1 5.0 PARTS REPLACEMENT ..................5-1 6.0 FAULT CODES ......................6-1 7.0 WARRANTY & OUT OF WARRANTY SERVICE ............ 7-1 MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 4: List Of Tables

    Recommended Cable Sizes ................ 3-4 Table 3.5 Recommended Hardware ................3-4 Table 3.6 Crimp Type Compression Lug ..............3-5 Table 6.1 Bypass Module Fault Code List ..............6-2 Table 6.2 UPS Module Fault Code List ............... 6-6 MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 5 Figure 3.1 UPS Terminal Designation ..............3-5 Figure 3.2 Diagram of Input/Output Bus Bars and Terminal Blocks ....... 3-6 Figure 3.3 Diagram of Power Wire and Control Wire Interconnection between UPS and Battery ..................3-7 MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 6: How To Use This Manual

    UPS operation, load status and display status. Such information is essential if Mitsubishi field service group assistance and correspondence is required. Safety Recommendations: If any problems are encountered while following this manual, Mitsubishi field service group assistance and correspondence is recommended. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 7: Introduction

    IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for the 9900CX SERIES Uninterruptible Power Supply System that should be followed during installation and maintenance of the UPS and batteries. WARNING 1 Lethal voltages exist within the equipment during operation.
  • Page 8: Safety Precaution

    Since the UPS contain special industrial waste, such as capacitors, insulators or batteries, they cannot be disposed of like other general waste. Please check the disposal guideline of your district, contact the specialized contractor for disposal. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 9 If the UPS System is to be applied to support equipment that could affect human safety, the following steps must be adhered to: 1. Consult with Mitsubishi Electric Power Products Inc. UPS Division. 2. Special consideration of the overall back up power system configuration is required so that the Mitsubishi UPS System is not the sole support required for operation, maintenance and management of power availability.
  • Page 10: Table 1.1 Ups Installation Environment

    No more than 0.01 PPM IEC654-4 Chlorine gas (Cl No more than 0.002 PPM Part 4 Ammonia gas (NH No more than 1 PPM Nitrous oxides (NO No more than 0.05 PPM Ozone (O No more than 0.002 PPM MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 11: Table 1.2 Rating Of Bypass Input Circuit Breaker

    AC input and AC output overcurrent protection and disconnect devices shall be field supplied and installed. The DC circuit breaker (MCCB) shall be field supplied and installed. The overcurrent protection device should be installed in the Battery cabinet and rated as indicated in Table 1.6. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 12: General

    UPS. The UPS is simple to start-up, operate and maintain. The 9900CX SERIES UPS is available in 1050, 1400, 1750, and 2100 kVA. Specifications are shown in Section 1.5. This manual provides an overview of the 9900CX SERIES components and their functions. The appearance and purpose of operator controls and indicators is described with procedures for operation, start-up, shutdown and basic maintenance included.
  • Page 13: Definitions

    UPS for supplying the critical load. BATTERY - The rechargeable battery strings which supply DC power to the inverter to maintain continuous AC power to the load during AC input power failure conditions. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 14: Operation Overview

    UPS battery and to provide power to the Inverter. The Inverter converts the DC power to clean AC power to supply the critical load. The conversion - inversion process eliminates any voltage transients or fluctuations existing in the input power before it reaches the critical load. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 15 In the event of a UPS module failure during Parallel Operation, the critical load power will be continually supplied and shared by all other UPS. The Bypass Input circuit breaker (MCCB) for protection of the UPS and cables are field supplied and field installed. (See WARNING 4 on page 1-4). MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 16: Figure 1.2 Single Line Diagram Bypass Operation: Load Fed Through Static Bypass Line

    Parallel Operation if a cable length of bypass line is equal each other. For a MMS unable to equalize the cable length, additional rectors should be installed to compensate the difference in cable impedance. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 17: Figure 1.3 Single Line Diagram-battery Operation

    Referring to Figure 1.3: In the event of AC input source failure or interruption, the UPS Converter(s)* will de-energize and the UPS battery(s)* will immediately discharge and supply DC power to the Inverter to maintain continuous AC power to the load. This operation will continue until: MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 18 The power drawn by the load is equally shared between all UPS regardless of the presence or absence of the UPS that is (are) in battery operation or not whenever the system is in the Parallel Operation. . MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 19: Figure 1.4 Ups Parts Location

    1) UPS cabinet – Front View UPS Module LCD Touch Panel Bypass Module Monitor Display Cable Entry Section 2) Backside of Bypass Module door LCD Touch Panel Monitor Display Display PCB DPAU-89 Main PCB UPJR-D MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 20 Page Number: 9900CX SERIES UPS 1-14 OWNERS / TECHNICAL MANUAL 3) UPS cabinet – Front Inside View CB1(left), 52C(right) External I/F PCB (Back Side of PCB Unit) IOAU-19 INPUT INPUT BYPASS INPUT OUTPUT INPUT MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 21: Specifications

    9580 / 4350 159.7 1750 BOTTOM / TOP 198.8 / 5050 35.5 / 901.6 80.7 / 2048.6 11770/ 5350 199.7 2100 BOTTOM / TOP 222.4 / 5650 35.5 / 901.6 80.7 / 2048.6 13530 / 6150 239.6 MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 22: Table 1.5 Detail Of Specifications

    Recommended : 68゚F to 86゚F ( 20゚C to 30゚C) Relative Humidity 5% ~ 95% Non Condensing Altitude 0 to 6500 feet No Derating at 40゚C Location Indoor (free from corrosive gases and dust) Paint Color Munsell 5Y7/1 (Beige) MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 23: Table 1.6 Rating Of Contactors, Breakers And Fuses

    FUA, FUB, FUC (OPTION) 2000A / 2800A / Bypass input fuse 3600A / 550V FSU, FSV, FSW 500V 650V (OPTION) Parallel control 3A / 600V FDU, FDV, FDW circuit fuse (optional) * Rating would be changed. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 24: Operation Controls And Indicators

    Page Number: 9900CX SERIES UPS OWNERS / TECHNICAL MANUAL 2.0 OPERATOR CONTROLS AND INDICATORS The 9900CX Series operator controls and indicators are located as follows (Bypass Module door exterior) : Figure 2.1 Operation/Display Panel (Front panel) MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 25: Led Display

    2.2 EPO 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 9900CX SERIES UPS...
  • Page 26: Liquid Crystal Display

    - Start: When the bypass voltage is abnormal, the LCD asks the operator if an interrupted transfer is acceptable (Load may be lost). - Stop: When the bypass voltage is abnormal, the user cannot transfer from inverter to bypass line. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 27: Figure 2.3(a) Start/stop Operation

    MEASUREMENT MENU (Figure 2.4) This screen shows details of measured values. Input and Output values are displayed. During Battery operation, Remaining battery power and Run time are also displayed. Figure 2.4(a) Input Values Figure 2.4(b) Output Values MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 28: Figure 2.5 Remote/local Operation Or Date & Time Adjustment Select

    Pressing the EVENT LOG icon, up to 100 condition/operation records will be displayed. Press button for page turning. Pressing the BATTERY LOG icon, Number of battery operations and Summed battery operation time are displayed. Figure 2.6(a) Log Menu Figure 2.6(b) Event Log Figure 2.6(c) Battery Log MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 29: Figure 2.7(a) Main Screen (battery Operation)

    When the input power is restored, the inverter will automatically restart to power the load, and the batteries will be simultaneously recharged. The End of Battery announcement is shown at the bottom of the screen. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 30: Figure 2.8 Main Screen (fault Indication)

    5 second intervals. Figure 2.9 Message screen SILENCE ALARM This icon will appear when a failure occurs. The audible alarm (announcing the failure) can be silenced by pressing this icon. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 31: External Signal Terminal Block

    Summary Alarm OUT1: LOAD ON BYPASS OUT2: LOAD ON INVERTER OUT3: BATTERY OPERATION OUT4: CONVERTER OPERATION OUT5: BATTERY LOW VOLTAGE OUT6: OVERLOAD OUT7: SPARE OUT8: TOTAL ALARM 52C CLOSE *1 Relay contactor (52C close): Normally Closed MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 32: Figure 2.10(b) External Signal Terminal Block Tn11-14 (nec Class2)

    Figure 2.10(b) External Signal Terminal Block TN11-14 (NEC Class2) TN11-14 CB2 AX Battery Breaker Panel Load Circuit Switch 52L AX IN1: REMOTE INVERTER START IN2: REMOTE INVERTER STOP (User supplied dry contact) IN3: BATTERY TEMP. HIGH IN4: POWER DEMAND REMOTE EPO Not use MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 33: Figure 2.11 Control Wiring For External Contacts

    Terminals 15 to 16 "Spare" contact (OUT7) Terminals 17 to 18 "Total Alarm" contact (OUT8) Activated during major fault, minor fault and alarm events. Terminals 19 to 20 "52C Close" contact Activated when the inverter output contactor 52C has closed. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 34: Table 2.1 Selectable Items For Output Contacts

    CONVERTER OPERATION OUT4 INVERTER OPERATION CB1 CLOSE CB2 CLOSE 52S CLOSE POWER DEMAND ON EQUALIZING CHARGE ANOTHER BUS SYNC.OK SPARE 29 SPARE 30 SPARE 31 NOTE: Contact MITSUBISHI ELECTRIC POWER PRODUCTS, INC for Detailed information. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 35: Figure 2.12 Remote "start" Contact Connections

    Figure 2.12 Remote "Start" Contact Connections External to UPS Cabinet UPS Cabinet Relay Start Coil Start Switch Common 0.5s – 4s 12 VDC Use Momentary Relay Coil current : 16.7 mA Switches Only User supplied MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 36 OFF when the contact is open. Terminals 33 to 34 "Remote EPO" contact input Used to perform a remote UPS Emergency Power Off (EPO). The load will be dropped. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 37: Table 2.2 Selectable Items For Input Contacts

    SPARE 28 SPARE 29 SPARE 30 TRACE TRIGGER NOTE: Contact MITSUBISHI ELECTRIC POWER PRODUCTS, INC for Detailed information. CAUTION : In all cases, a switch having a protective cover is recommended in order to reduce the possibility of accidental operation.
  • Page 38: External Communication Connector

    : Not used Pin 7. : Not used Pin 8. : Not used Pin 9. : Not used PCB IOAU-19 * Consult MITSUBISHI ELECTRIC POWER PRODUCTS, INC for details on“DiamondLink” monitoring software and its capabilities. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 39: Installation And Operation

    C) Space requirement for routine maintenance Allow for the following space at the time of installation. Front 1000 mm (39 inches) Sides 0.0 mm (0 inch) Back side 0.0 mm (0 inch) Top side 500 mm (20 inches) MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 40: Procedure For Cable Connections

    With a phase rotation meter, check that the phase rotation of the AC Input power terminals A, B and C as well as the Bypass Input power terminals A40, B40 and C40 are correct. The proper phase rotation is clockwise MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 41 2.10 for functional description. 2mm , or less, shielded conductor is recommended. CAUTION : UPS power terminals are supplied with stud type fittings. It is recommended that compression lugs be used to fasten all input/output power cables. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 42: Table 3.4 Recommended Cable Sizes

    *4 - Allowable ampere-capacities based on copper conductors with 75 degree C. insulation at ambient temperature of 40 degree C. Recommended Hardware Table 3.5 Split Nut size Flat washer UPS Capacity Bolt size lockwasher size size 1050kVA M12 x 40mm 1400kVA M12 x 40mm 1750kVA M12 x 40mm 2100kVA M12 x 40mm MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 43: Table 3.6 Crimp Type Compression Lug

    Bypass Module Bypass Input Static Transfer Switch CONVERTER / INVERTER Terminals Terminals Output input CHARGER Terminals Battery UPS Module Cabinet CONVERTER / INVERTER 3~6 UPS CHARGER modules UPS Module CONVERTER / INVERTER CHARGER UPS Module CABINET MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 44: Figure 3.2 Diagram Of Input/output Bus Bars And Terminal Blocks

    ※1. Signal lines should be separated to the main circuit cables with more than 100mm insulating distance. The wiring also should fix to the frame to ensure the insulating distance satisfied the condition. ※2. 3x 2-holes bases ※3. 4x 4-holse bases MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 45: Figure 3.3 Diagram Of Power Wire And Control Wire Interconnection Between Ups And Battery

    Figure 3.3 Diagram of Power Wire & Control Wire Interconnections between UPS and Battery DC circuit breaker External signal User supplied terminal IOAU-19 - [TN1] Auxiliary “-” Negative “+” Positive Power terminal User supplied UPS module Wall mounted DC breaker for Battery MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 46: Operating Procedures

    NOTE : When "REMOTE OPERATION MODE" is displayed on the LCD panel, the inverter start operation can only be performed remotely. If local inverter start operation is required (at the UPS), select "LOCAL ONLY" or “REMOTE & LOCAL” in the OPERATION MENU. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 47 De-energize all external sources of AC and DC power. Before removing the covers, wait 5 minutes after de-energizing. Check no-voltage before handling UPS. Be careful for the devices even when the UPS has been de-energized, still internal devices may hot. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 48 NOTE : When "REMOTE OPERATION MODE" is displayed on the LCD panel, the inverter start operation can only be performed remotely. If local inverter start operation is required (at the UPS), select "LOCAL ONLY" or “REMOTE & LOCAL” in the OPERATION MENU. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 49: Response To Ups Failure

    The error code indicated on the LCD display panel when an UPS alarms is very important. In order to reduce repair time, please include this information, along with the operation and load status for all correspondence to Mitsubishi Electric field service group. MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 50: Parts Replacement

    9900CX SERIES UPS OWNERS / TECHNICAL MANUAL 5.0 PARTS REPLACEMENT Contact Mitsubishi Electric Power Products, Inc.or its authorized service representatives on all issues regarding the replacement of parts. A) Battery Battery lifetime may vary according to the frequency of use and the average ambient operating temperature.
  • Page 51: Fault Codes

    A) Verify and record the occurrence of the alarm. Note details of alarm message displayed on the LCD display panel. Contact Mitsubishi Electric Power Products, Inc. at 1-800-887-7830. B) If a circuit breaker (MCCB) has tripped, depress the toggle to reset the breaker before closing it again.
  • Page 52: Table 6.1 Bypass Module Fault Code List

    CHECK A power converter module has INPUT Intermittent UA863 MOD.IN.VOLT. detected input voltage abnormal. POWER sound SOURCE WARNING : A power converter module has Intermittent UA864 MODULE OVERLOAD DECREASE Overload detected output overload. sound LOAD MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 53 Detection of an external CALL Continuous UF302 CTRL.CIRCUIT ERR. interruption during the software SERVICE Major sound execution. ENGINEER CALL Timer does not reset in the Continuous UF303 CTRL.CIRCUIT ERR. SERVICE Major specified period (WDT settings) sound ENGINEER MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 54 ENGINEER CALL Cable disconnection in the Intermittent UF374 CTRL.CIRCUIT ERR. SERVICE Minor parallel interface board. sound ENGINEER Unable to achieve CALL Intermittent UF375 CTRL.CIRCUIT ERR. synchronization for parallel SERVICE Minor sound operation. ENGINEER MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 55 ENGINEER CALL Contactor 52S failed during load Intermittent UF451 52S ABNORMAL SERVICE Minor transfer from inverter to bypass. sound ENGINEER CALL Contactor CB3 is not working Intermittent UF452 CB3 ABNORMAL SERVICE Minor properly. sound ENGINEER MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 56: Table 6.2 Ups Module Fault Code List

    Major unbalance of the neutral point voltage. Major MF110 ZERO PHASE OC. Major unbalance of the neutral point voltage. Major MF111 CTRL.CIRCUIT ERR. Battery current unbalance. Major MF112 DC CIRCUIT ABNL. Sudden change of the DC voltage level. Major MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 57 MF254 COOLING FAN ABNL. Thermal relay of cooling fan worked. Minor MF256 O/P VOLTAGE ABNL. Output voltage is out of the specified range. Minor MF301 CTRL.CIRCUIT ERR. AD reference has an abnormal value. Major MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 58 #%2++ --------------------- Inverter circuit failure #%3++ --------------------- Control circuit failure #%4++ --------------------- Bypass system failure #%8++ --------------------- Alarm “#” Bypass Module “U”, UPS Module “M” “+” denotes any numeral from 0 to 9 “%” denotes either “A” or “F” MITSUBISHI ELECTRIC 9900CX SERIES UPS...
  • Page 59: Warranty & Out Of Warranty Service

    Mitsubishi Electric Power Products, Inc. at (724) 772-2555. To register your UPS for warranty purposes, please complete the warranty registration form and fax it to the Mitsubishi Electric UPS Division Service Department fax line shown on the registration form. (Next page) For warranty purposes, it is essential that any and all service work that may be required on your Mitsubishi brand UPS equipment is performed by a Mitsubishi Electric Authorized Service Center.
  • Page 60 Would you like to receive future product updates __ Electrical Contractor __ Distributors/Reps and news? __ Healthcare __ Other __________________ __Yes __ No __ Internet After Start-Up has been done Fax completed Form to: (724) 778-3146 MITSUBISHI ELECTRIC 9900CX SERIES UPS...

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