Mitsubishi Electric 9900B Series Owner Technical Manual Download Page 1

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UNINTERRUPTIBLE POWER SUPPLY SYSTEM

MODEL

9900B SERIES

OWNER’S / TECHNICAL MANUAL
(Inclusive Parallel Operation System Application)

Summary of Contents for 9900B Series

Page 1: ...UNINTERRUPTIBLE POWER SUPPLY SYSTEM MODEL 9900B SERIES OWNER S TECHNICAL MANUAL Inclusive Parallel Operation System Application ...

Page 2: ...Preface Revision 4 06 09 2020 U ENM00030 ...

Page 3: ...ON CONTROLS AND INDICATORS 2 1 2 1 LED DISPLAY 2 2 2 2 EPO BUTTON 2 2 2 3 LIQUID CRYSTAL DISPLAY 2 3 2 4 EXTERNAL SIGNAL TERMINAL BLOCK 2 9 2 5 EXTERNAL COMMUNICATIONS 2 15 3 0 INSTALLATION AND OPERATION 3 1 3 1 TRANSPORTATION AND INSTALLATION 3 1 3 2 INSTALLATION PROCEDURE 3 1 3 3 PROCEDURE FOR CABLE CONNECTIONS 3 2 3 4 OPERATING PROCEDURES 3 15 4 0 RESPONSE TO UPS FAILURE 4 1 5 0 PARTS REPLACEME...

Page 4: ...ormation 1 20 Table 1 5 Detail of Specifications 1 21 Table 1 6 Rating of Contactors Breakers and Fuses 1 22 Table 2 1 Selectable Output Contacts 2 12 Table 2 2 Selectable Input Contacts 2 14 Table 3 1 How to Transport and Install the System 3 1 Table 3 2 List of UPS Weights 3 1 Table 3 3 Maximum Permitted Fault Current 3 2 Table 3 4 Recommended Cable Sizes 3 5 Table 3 5 Recommended Hardware 3 5 T...

Page 5: ...lect 2 5 Figure 2 5 b Date Time Adjustment 2 5 Figure 2 6 a Log Menu 2 6 Figure 2 6 b Event Log 2 6 Figure 2 6 c Battery Log 2 6 Figure 2 7 a Main Screen Battery Operation 2 7 Figure 2 7 b Measurement Screen Battery Operation 2 7 Figure 2 8 Main Screen Fault Indication 2 7 Figure 2 9 Message Screen 2 8 Figure 2 10 a External Signal Terminal Block NEC Class2 2 9 Figure 2 10 b External Signal Termin...

Page 6: ...of this manual Warning A warning notice icon conveys information provided to protect the user and service personnel against hazards and or possible equipment damage Caution A caution notice icon conveys information provided to protect the user and service personnel against possible equipment damage Note A Note notice icon indicates when the user should make a reference of information regarding the...

Page 7: ...e of the equipment follow the manufacturer s instructions Please read this manual carefully and retain it for future reference This manual contains important instructions for the 9900B SERIES Uninterruptible Power Supply System that should be followed during installation and maintenance of the UPS and batteries Lethal voltages exist within the equipment during operation Observe all warnings and ca...

Page 8: ...hered to 1 Consult with Mitsubishi Electric Power Products Inc UPS Division at 1 800 887 7830 2 Special consideration of the overall backup 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 Other available power sources utility emergency power generation or other systems shall als...

Page 9: ...50m 7400ft above sea level Ambient Temperature 41 F 5 C to 95 F 35 C Ideal operating temperature for batteries 68 F 20 C to 77 F 25 C Relative Humidity 5 to 85 with no condensation Solid Contaminants See Note 1 Parameter Maximum value Sand 0 Dust Particulate matter suspension 0 01 mg m3 Dust Particulate matter sedimentation 0 4 mg m2 h Chemical Contaminants Gases and Vapors Parameter Mean value Se...

Page 10: ...5 m s2 0 51 g Vibration Non Stationary including shock Parameter Maximum value Shock response spectrum type L peak acceleration å 70 m s2 Shock response spectrum type I peak acceleration å 0 Shock response spectrum type II peak acceleration å 0 Note 1 Solid contaminant and particle examples include but are not limited to sand carbon dust metal fillings dust conductive particles and organic and ino...

Page 11: ...80 361 500 500 480 601 800 750 480 902 1200 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 For other stored energy systems refer to the attached supplement NOTE ...

Page 12: ...battery time If the input power is not restored promptly backup power from the UPS battery permits the orderly shutdown of equipment supported by the UPS The UPS is simple to startup operate and maintain The 9900B SERIES UPS is available in 300 500 and 750kVA These specifications are shown in Section 1 5 The principles of operation described herein are applicable to all models This manual provides...

Page 13: ...nts which contain the equipment and controls necessary to convert DC power from the Converter Charger or the battery to AC power required by the critical load CONVERTER CHARGER The UPS components which contain the equipment and controls necessary to convert input AC power to regulated DC power required for battery charging and for supplying power to the Inverter STATIC TRANSFER SWITCH The device w...

Page 14: ...ic Transfer Switch 52S CB2 Battery Cabinet Bypass Input CB User supplied MCCB User supplied MCCB CB CB1 INVERTER Not in Use External BATTERY During normal operation the path through the UPS inverter is used to power the load Referring to Figure 1 1 Input AC power is converted to DC by the Converter DC power is utilized to charge the UPS battery and to provide power to the Inverter The Inverter con...

Page 15: ...net Bypass Input CB User supplied MCCB User supplied MCCB CB CB1 INVERTER Not in Use External BATTERY Referring to Figure 1 2 The Internal Bypass line is a hard wired line through 52S which supplies the critical load with unconditioned bypass input power Upon switching to the Internal Bypass line the Static Transfer Switch STS line through CB3 supplies the power immediately Then the Internal Bypas...

Page 16: ...B3 CONVERTER CHARGER Output 52C Static Transfer Switch 52S CB2 Battery Cabinet Bypass Input CB User supplied MCCB User supplied MCCB CB CB1 INVERTER Not in Use External BATTERY Referring to Figure 1 3 In the event of an 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 contin...

Page 17: ...charger s recharges the batteries and the Inverter s is automatically restarted without operator intervention The load is automatically assumed by the inverter without operator intervention s In the case of the Parallel Operation The power drawn by the load is equally shared between all UPS units regardless of the presence or absence of a UPS that is are in battery operation or whenever the system...

Page 18: ...ANUAL Page Number 1 12 Figure 1 4 a UPS Parts Location 750kVA 1 UPS cabinet Front View 2 Backside of left door 1 LCD Touch Panel Monitor Display 4 Main PCB UPGR M 2 Display PCB DPAU 81 6 External Communication Connector Cable Entry Section Left Door Right Door 1 LCD Touch Panel Monitor Display ...

Page 19: ...e 1 4 a UPS Parts Location 750kVA 3 UPS module Front View Items 9 and 10 AC input AC output DC input terminal and Grounding Bar are not shown in Figure 1 4 refer to Figure 3 2 Converter Unit Chopper Unit Inverter Unit AC Capacitors AC Capacitors CB1 3 External I F PCB IOAU 09 5 Relay PCB PSAU 73 CB3 52S 52C EMB CPMS CPMC ...

Page 20: ... Front View 2 Backside of right door 3 UPS module Front View Right Door Left Door 1 LCD Touch Panel Monitor Display Cable Entry Section Converter Unit Chopper Unit Inverter Unit AC Capacitor AC Capacitor 52C EMB CPMS CPMC CB3 52S CB1 3 External I F PCB IOAU 09 1 LCD Touch Panel Monitor Display 2 Display PCB DPAU 81 4 Main PCB UPGR M 6 External Communication Connector ...

Page 21: ...inet Front View 2 Backside of right door 3 UPS module Front View Door 1 LCD Touch Panel Monitor Display Cable Entry Section 1 LCD Touch Panel Monitor Display 2 Display PCB DPAU 81 4 Main PCB UPGR M 6 External Communication Connector 5 Relay PCB PSAU 73 Converter Unit Chopper Unit Inverter Unit AC Capacitor 52C EMB CPMS CPMC CB3 52S CB1 3 External I F PCB IOAU 09 ...

Page 22: ...Parallel I F PCB IFAU 09 8 Parallel I F PCB IFAU 09 DAS 8S ON OFF 1 8 CN99 CN98 TLAIN TLBIN CA1IN CA2IN CB1IN CB2IN DAS 8S ON OFF 1 8 CN941 CA1OUT CA2OUT CB1OUT CB2OUT CN97 CN96 TLAOUT TLBOUT COUT CIN TLOUT TLIN CN942 CN943 CN944 CN951 CN952 CN953 CN954 17 External contact signal terminal block 13 SW6 MAINTENANCE switch 12 SW5 TEST switch 11 SW1 RESET switch 6 External Communication Connector ...

Page 23: ...MITSUBISHI ELECTRIC 9900B SERIES UPS MITSUBISHI ELECTRIC 9900B SERIES UPS OWNERS TECHNICAL MANUAL Page Number 1 17 Figure 1 8 MAIN PCB UPGR M 11 SW1 RESET switch 14 SW2 BOOT switch 15 SW3 52L S W switch ...

Page 24: ...I F PCB IOAU 09 Figure 1 6 Signal I F on IOAU 09 board 17 External contact signal terminal block Refer to Figure 2 10 for details 4 Main PCB UPGR M Figure 1 8 Switches on UPGR M board FOR SERVICE PERSONNEL ONLY 11 SW1 RESET switch 14 SW2 BOOT switch 15 SW3 52L S W switch 5 Relay PCB PSAU 73 6 External Communication Connector RS232C connector on DPAU 81 board FOR SERVICE PERSONNEL ONLY Refer to Fig...

Page 25: ...PERSONNEL ONLY This switch sets the UPS menu parameters 14 BOOT switch FOR SERVICE PERSONNEL ONLY This switch boots the processor on the main control circuit board following alarm conditions 15 52L S W switch FOR SERVICE PERSONNEL ONLY This switch prohibits turning on the AC output contactor 52C during test maintenance in Parallel Operation system application 16 External contact signal terminal bl...

Page 26: ...ed output Power Input voltage 3 phase 3 wire Bypass input voltage 3 phase 3 wire Output voltage 3 phase 3 wire 300kVA 300kW 480V 480V 480V 500kVA 500kW 480V 480V 480V 750kVA 750kW 480V 480V 480V Table 1 4 UPS Module Information UPS kVA Cable Entry Width in mm Depth in mm Height in mm Weight lb kg Heat Rejection kBTH h 300 BOTTOM TOP LEFT SIDE 55 1 1400 32 7 832 80 7 2049 2250 1021 42 7 500 BOTTOM ...

Page 27: ... 0 8 leading Voltage THD 2 maximum THD at 100 linear load 5 maximum THD at 100 non linear load Transient Response 2 maximum at 100 load step 1 maximum at loss return of AC power 5 maximum at load transfer to from static bypass Transient Recovery Less than 20ms Voltage Unbalance 2 maximum at 100 unbalanced load Voltage Phase Angle Displacement 1deg maximum at 100 load Inverter Overload 105 to 109 f...

Page 28: ...reakers CB2 Battery disconnect breaker Recommended 800A 1400A 2000A User supply AC input breaker Recommended 500A 800A 1200A User supply Bypass input breaker Recommended 500A 800A 1200A FPR FPS FPT FPU FPV FPW FCR FCS FCT FCU FCV FCW FNR FNS FNT FNU FNV FNW FBPR FBPS FBPT FBNR FBNS FBNT DC fuse 450A 690V 630A 690V 800A 690V FUA FUB FUC Control power fuse 30A 600V FBS1 FBS2 FBS3 Control power fuse ...

Page 29: ...LECTRIC 9900B SERIES UPS OWNERS TECHNICAL MANUAL Page Number 2 1 2 0 OPERATOR CONTROLS AND INDICATORS The 9900B Series operator controls and indicators are located as follows exterior door Figure 2 1 Operation Display Panel Front Panel 8 3 2 1 7 4 5 6 ...

Page 30: ...inates when power is supplied to load devices by static bypass Indicates the state of bypass transfer switch 52S 4 Overload OVERLOAD orange 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...

Page 31: ... function The LCD panel allows the user to verify the status and operation of the UPS Module Figure 2 2 Main Screen The following will be displayed when the START STOP key on the MAIN MENU is pressed in the OPERATION MENU 1 Startup Shutdown Guidance Figure 2 3 The display indicates the Startup and Shutdown guidance for the UPS system If this operation is PIN protected the user is required to enter...

Page 32: ...hutdown Guidance Figure 2 3 b Startup Guidance Figure 2 3 c Shutdown Guidance Follow Startup Shutdown guidance accordingly B MEASUREMENT MENU Figure 2 4 This screen shows details of measured values including Input and Output values During Battery operation Remaining battery power and Run time are also displayed Figure 2 4 a Input Values ...

Page 33: ...prompts the user to select a whether the start stop operation will be performed by local or remote operation b date time adjustment or c battery equalizing charge The battery equalizing charge operation key will appear when battery equalizing charge is set up setup is based on battery type For other stored energy systems refer to the attached supplement Figure 2 5 a Remote Local Operation Select F...

Page 34: ...U displays two Touch icons EVENT LOG and BATTERY LOG Up to 50 condition operation records will be displayed after pressing the EVENT LOG icon Press or button for page turning Pressing the BATTERY LOG icon will display Number of battery operations and Summed battery operation time Figure 2 6 a Log Menu Figure 2 6 b Event Log Figure 2 6 c Battery Log ...

Page 35: ...will display a Battery low voltage message when the battery capacity is near depletion The End of Battery Discharge announcement is displayed when the battery end voltage is reached At this time the inverter will perform an electronic shutdown to prevent loss of battery life which is typical from extreme deep discharge conditions When the input power is restored the inverter will automatically res...

Page 36: ... the fault and a guidance of what action is to be taken by the user A maximum of 10 faults are displayed at one time If an input power failure occurs during a fault condition the fault indication and input power failure announcement are alternatively displayed at 5 second intervals Figure 2 9 Message Screen 2 SILENCE ALARM Figure 2 9 The circled icon will appear when a failure occurs The audible a...

Page 37: ...rts OUT1 to OUT8 are user programmable but are set to factory default also shown in Figure 2 10 Adding the same external I F PCB IOAU 09 doubling signal outputs is applicable for OUT1 to OUT8 Figure 2 10 a External Signal Terminal Block NEC Class2 TN2 For other stored energy systems refer to the attached supplement SUMMARY ALARM OUT2 LOAD ON INVERTER OUT3 BATTERY OPERATION OUT4 CONVERTER OPERATION...

Page 38: ...al Terminal Block NEC Class2 TN1 For other stored energy systems refer to the attached supplement User supplied dry contact IN3 BATTERY TEMP HIGH IN1 REMOTE INVERTER START IN2 REMOTE INVERTER STOP REMOTE EPO IN4 POWER DEMAND UPS CB2 UVT CB2 AX 52L AX 1 3 5 7 9 19 17 15 13 11 2 4 6 8 10 20 18 16 14 12 Battery Breaker Panel Load Circuit Switch ...

Page 39: ...als 3 to 4 Load on Bypass contact OUT1 Activated when the power is supplied from the static bypass input Terminals 5 to 6 Load on Inverter contact OUT2 Activated when the power is supplied by the inverter Terminals 7 to 8 Battery Operation contact OUT3 Activated when the battery is operating following an AC power failure Terminals 9 to 10 Converter Operation contact OUT4 Activated when the convert...

Page 40: ...contact feature The above alarms are the default settings Contact MITSUBISHI ELECTRIC POWER PRODUCTS INC at 1 800 887 7830 for setup information Table 2 1 Selectable Output Contacts B Input Contacts for remote access of UPS External contacts are provided by the user of the UPS system The terminal voltage at the UPS is 24Vdc Provide external dry contacts accordingly ...

Page 41: ...ter Start input terminal IN1 Used to start inverter from a remote location UPS must be programmed for remote operation Refer to Operations Menu for procedure Terminals 9 to 10 Remote Inverter Stop input terminal IN2 Used to stop inverter from a remote location UPS must be programmed for remote operation Refer to Operations Menu for procedure Terminals 11 to 12 Battery Temp High contact input IN3 I...

Page 42: ... equipped with a selectable input contact item The above items are the default settings Contact MITSUBISHI ELECTRIC POWER PRODUCTS INC for setup information at 1 800 887 7830 CAUTION In all cases a switch having a protective cover is recommended to reduce the possibility of accidental operation Table 2 2 Selectable Input Contacts ...

Page 43: ...SERIES UPS MITSUBISHI ELECTRIC 9900B SERIES UPS OWNERS TECHNICAL MANUAL Page Number 2 15 2 5 EXTERNAL COMMUNICATIONS External communications are provided using Lookups Refer to the Lookups technical manual U ENM00017 for details ...

Page 44: ...chor the unit using appropriate hardware not provided CAUTION Do not transport in a horizontal position Cabinets must be maintained upright within 15 of the vertical during handling 3 2 INSTALLATION PROCEDURE A Note the load tolerance of the floor Refer to Table 3 2 for list of UPS weights Table 3 2 List of UPS Weights UPS Capacity kVA 300 500 750 Weight lb 2 250 3 570 4 255 B Minimum clearance re...

Page 45: ...ective device as shown in Table 3 3 Table 3 3 Maximum Permitted Fault Current UPS Capacity kVA DC Voltage Rating V Maximum Fault Current Permitted A 300 480 25 000 500 480 25 000 750 480 25 000 3 3 PROCEDURE FOR CABLE CONNECTIONS 1 Confirm the capacity of the UPS being installed Identify the input output power terminal blocks as shown in the appropriate Figures 3 1 through 3 3 2 Connect the intern...

Page 46: ...40 in Figures 3 1 to 3 2 Bypass input cables must be sized for an ampere rating larger than the maximum output current capacity of the UPS Refer to Table 3 4 for recommended cable sizes 2 Connect the external signal terminal block as desired Refer to section 2 4 and Figure 2 10 for a functional description A 2mm2 or less shielded conductor is recommended 5 One 1 source feeding the UPS 1 Confirm th...

Page 47: ...o be connected in parallel Identify the input output power terminal blocks and control wire connections for parallel operation systems as shown in the appropriate Figures 3 4 and 3 5 2 Connect the external control wire and power wire a Control wire connections Parallel configuration wiring Refer to Figure 3 5 52L control signal from Critical Load Cabinet CLC to UPS n IOAU 09 TN1 5 6 Parallel contr...

Page 48: ...x 250MCM or larger 347 469 in lbs 4 x 400MCM 347 469 in lbs 750kVA 480V 480V 3 x 600MCM or larger 347 469 in lbs 3 x 600MCM or larger 347 469 in lbs 3 x 600MCM or larger 347 469 in lbs 5 x 700MCM 347 469 in lbs 1 Use 75 degree C copper wire 2 The cables must be selected to be equal or larger to the sizes listed in the table 3 Voltage drop across power cables not to exceed 2 of nominal source volta...

Page 49: ... 1022 4 0 B I BURNDY ILSCO BURNDY YA28 CRB 4 OL YA29 LB PURPLE PURPLE 15 15 1023 250 MCM B I BURNDY ILSCO BURNDY YA29 CRA 250L YA30 LB YELLOW YELLOW 16 16 1024 300 MCM B I BURNDY ILSCO BURNDY YA30 CRA 300L YA32 LB WHITE WHITE 17 298 17 298 1026 350 MCM B I BURNDY ILSCO BURNDY YA31 CRA 350L YA34 LB RED RED 18 324 18 324 1027 400 MCM B I BURNDY ILSCO BURNDY YA32 CRA 400L YA36 LB BLUE BLUE 19 470 19 ...

Page 50: ... OWNERS TECHNICAL MANUAL Page Number 3 7 Figure 3 1 UPS Terminal Designation CHA Static Transfer Switch Bypass Input Terminals A40 B40 C40 AC Input Terminals A B C CB1 Terminals BP BN External Battery CB2 Converter Charger Inverter Terminals A50 B50 C50 AC Output 52C CB3 52S ...

Page 51: ...tion of bus bars and terminal blocks Bottom Top Left Side entry Detailed Power Terminals D 32 7 831 6mm For power terminals use 1 2 12mm diameter bolts AC Input A B C Bypass Input A40 B40 C40 BP BN DC Input AC Output A50 B50 C50 Grounding Bar E AC Input A B C Bypass Input A40 B40 C40 DC Input BP BN AC Output A50 B50 C50 Grounding Bar not shown 80 7 2050 106 6 2714 19 7 500 UPS module 750kVA ...

Page 52: ...tion of bus bars and terminal blocks Bottom Top Left Side entry Detailed Power Terminals D 32 7 831 6mm For power terminals use 1 2 12mm diameter bolts AC Input A B C Bypass Input A40 B40 C40 BP BN DC Input AC Output A50 B50 C50 Grounding Bar E AC Input A B C Bypass Input A40 B40 C40 DC Input BP BN AC Output A50 B50 C50 Grounding Bar not shown 80 7 2050 19 7 500 88 4 2244 UPS module 500kVA ...

Page 53: ...ation of bus bars and terminal blocks Bottom Top Left Side entry Detailed Power Terminals D 32 7 831 6mm For power terminals use 1 2 12mm diameter bolts AC Input A B C Bypass Input A40 B40 C40 BP BN DC Input AC Output A50 B50 C50 Grounding Bar E 80 7 2050 19 7 500 not shown AC Input A B C Bypass Input A40 B40 C40 DC Input BP BN AC Output A50 B50 C50 Grounding Bar 55 1 1400 UPS module 300kVA ...

Page 54: ...Page Number 3 11 Figure 3 3 Diagram of Power Wire Control Wire Interconnections Between UPS and Battery External signal terminal IOAU 09 TN1 UPS module Wall mounted DC breaker for Battery Auxiliary CB2 DC circuit breaker Negative UVT User supplied User supplied BP BN 4 3 2 1 Power terminal Positive ...

Page 55: ...el Connection Bypass CB2 52L 1 Inverter Converter CB1 UPS 1 Battery 52L 2 52C Inverter CB1 52C UPS 2 Bypass CRITICAL LOAD CABINET 52L n Inverter CB1 52C Bypass 1 SMB 52L UPS n 1 1 n Maximum 8 52S 52S 52S Bypass input AC input Bypass input AC input Bypass input AC input AC output AC output AC output Charger CB2 Converter Battery Charger CB2 Converter Battery Charger ...

Page 56: ... CN952 CN953 CN954 Use Ethernet STP Shield Twisted Pair cable for all communication cabling The use of UTP Unshield Twisted Pair cable may cause malfunction B50 C50 Total cable length from UPS 1 to UPS N should be within 100m 330ft 3 UPS 1 TN1 IOAU 09 5 6 A50 AC OUTPUT DAS 8S ON OFF 1 8 CN99 CN98 TLAIN TLBIN CA1IN CA2IN CB1IN CB2IN DAS 8S ON OFF 1 8 CN941 CA1OUT CA2OUT CB1OUT CB2OUT CN97 CN96 TLAO...

Page 57: ...eld Twisted Pair cable for all communication cabling The use of UTP Unshield Twisted Pair cable may cause malfunction B50 C50 Total cable length from UPS 1 to UPS N should be within 100m 330ft 3 UPS 1 TN1 IOAU 09 5 6 A50 AC OUTPUT DAS 8S ON OFF 1 8 CN99 CN98 TLAIN TLBIN CA1IN CA2IN CB1IN CB2IN DAS 8S ON OFF 1 8 CN941 CA1OUT CA2OUT CB1OUT CB2OUT CN97 CN96 TLAOUT TLBOUT COUT CIN TLOUT TLIN CN942 CN9...

Page 58: ...uit Breaker for each unit is closed user supplied b Verify that the Battery Disconnect Circuit Breaker CB2 is opened or in tripping position c If a dual source is feeding the UPS close the External AC Input Circuit Breaker manually user supplied d The LCD panel boots up automatically and the screen will show that the Load is powered by the bypass line e On the LCD panel select the OPERATION tab an...

Page 59: ...L ONLY or REMOTE LOCAL in the OPERATION MENU d If stopping both the Inverter and Converter is required open the Battery Disconnect circuit breaker CB2 manually in accordance with guidance WARNING Verify that the load is OFF if the next step is to be performed NOTE Power to the critical load is supplied through the bypass line Power to the critical load will be lost after execution of the next step...

Page 60: ...ect LOCAL ONLY or REMOTE LOCAL in the OPERATION MENU D MMS Startup Procedure External Circuit Check 1 Verify that Critical Load Cabinet CLC Circuit Breaker SMB is closed 2 Verify that CLC System Output Circuit Breaker 52L is open 3 Verify that CLC UPS Circuit Breakers 52L1 52L2 and 52Ln are closed Start up from UPS 1 to UPS n 1 Startup each UPS in accordance with A Startup Procedure Each UPS will ...

Page 61: ...S MMS Inverter Operation 1 Transfer MMS Bypass Operation to MMS Inverter Operation from Operation Menu on any UPS LCD as shown in Figure 3 6 Transfer from UPS MMS Inverter Operation to UPS MMS Bypass Operation 1 Transfer MMS Inverter Operation to MMS Bypass Operation from Operation Menu on any UPS LCD as shown in Figure 3 6 Figure 3 6 LCD Screen MMS Operation ...

Page 62: ...e When faults happen contact the Authorized Mitsubishi Electric Service Representatives or call Mitsubishi Electric at 1 800 887 7830 NOTE The error code indicated on the LCD display panel when a UPS alarms is very important In order to reduce repair time please include all error codes on the LCD screen and the operation and load status in all correspondence to the Mitsubishi Electric field servic...

Page 63: ...y less than or equal to 80 of nominal capacity Replace the battery if its capacity is within this percentage B UPS Component Parts UPS components have a defined life expectancy Fan Capacitors Filters etc Contact Mitsubishi Electric Power Products Inc or its authorized service representatives for a complete parts replacement schedule The recommended replacement time interval varies with operating e...

Page 64: ... codes their descriptions and required actions In the event of a fault A Verify and record the occurrence of the alarm Note details of the 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 65: ...ittent sound Alarm Overload UA807 INVERTER OVERLOAD The output load current has exceeded 125 of the rated current WARNING DECREASE LOAD Intermittent sound Alarm Overload UA808 INVERTER OVERLOAD The output load current has exceeded 150 of the rated current WARNING DECREASE LOAD Intermittent sound Alarm Overload UA810 INVERTER OVERLOAD Short time over current has exceeded 150 of the rated current WA...

Page 66: ... Local start or stop signal is being received continuously for a considerable time Intermittent sound Alarm UA870 BALANCER OVERLOAD The UPS detected an neutral point voltage unbalance Intermittent sound Alarm Overload UA890 EXTERNAL ALARM External Alarm relay turned on Intermittent sound Alarm UF001 INPUT CIRCUIT ABNORMAL Detection of a large variation of the reference error signal CALL SERVICE EN...

Page 67: ...CE ENGINEER Continuous sound Major Lit on UF151 DC VOLTAGE ABNORMAL 24 hours after input power restoration batteries does not reach float voltage level CALL SERVICE ENGINEER Intermittent sound Minor Flicker UF152 DC VOLTAGE ABNORMAL Unable to equalize the voltage of various batteries after 24 hours CALL SERVICE ENGINEER Intermittent sound Minor Flicker UF154 CB2 ABNORMAL During UVT status signal f...

Page 68: ...ent reference and actual current CALL SERVICE ENGINEER Continuous sound Major Lit on UF206 UPS CONTROL CIRCUIT ERROR Discrepancy between output voltage and external voltage bypass common ac bus CALL SERVICE ENGINEER Continuous sound Major Lit on UF207 ZERO PHASE OVERCURRENT Inverter zero sequence overcurrent CALL SERVICE ENGINEER Continuous sound Major Lit on UF208 UPS CONTROL CIRCUIT ERROR Cross ...

Page 69: ... not reset in the specified period WDT settings CALL SERVICE ENGINEER Continuous sound Major Lit on UF305 UPS CONTROL CIRCUIT ERROR Detection of an abnormal clock speed in the DSP or FPGA CALL SERVICE ENGINEER Continuous sound Major Lit on UF306 UPS CONTROL CIRCUIT ERROR Control power supply voltage are below the specified level CALL SERVICE ENGINEER Continuous sound Major Lit on UF309 INVERTER VO...

Page 70: ...e CALL SERVICE ENGINEER Intermittents ound Minor Flicker UF377 UPS CONTROL CIRCUIT ERROR Overload detection signal is being received continuously for a considerable time CALL SERVICE ENGINEER Intermittent sound Minor Flicker UF378 UPS CONTROL CIRCUIT ERROR No answer for sending synchronizing signal CALL SERVICE ENGINEER Intermittent sound Minor Flicker UF379 UPS CONTROL CIRCUIT ERROR Abnormal cloc...

Page 71: ...umber 6 8 Note 3 Code indication means UA Alarm UF Failure U 0 Rectifier circuit failure U 1 DC circuit failure U 2 Inverter circuit failure U 3 Control circuit failure U 4 Bypass system failure U 8 Alarm U 00 U 49 Major failure U 50 U 99 Minor failure denotes any numeral from 0 to 9 denotes either A or F ...

Page 72: ...S from a Reseller the Limited Warranty of your Uninterruptible Power Supply UPS was provided to the Reseller at the time of sale Please contact Mitsubishi Electric Power Products Inc immediately if formal documentation of the warranty transfer was not provided to you To ensure prompt support please update your Product Registration information www mitsubishicritical com registration at completion o...

Page 73: ...1 UPS annual maintenance year unit 1 UPS semi annual maintenance year string 2 battery maintenance services year string 3 Quarterly Battery Package 4 site visits 1 UPS annual maintenance year unit 1 UPS semi annual maintenance year unit 4 battery maintenance services year string 4 Premium Package 2 site visits 1 UPS annual maintenance year unit 1 UPS semi annual maintenance year unit 2 battery mai...

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