Emerson Liebert NXL 250 kVA Скачать руководство пользователя | Manualshive

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B

ATTERY

C

ABINET

P

RECAUTIONS

The following warning applies to all battery cabinets supplied with UPS systems. Additional warn-

ings and cautions applicable to battery cabinets may be found in

Important Safety Instructions on

4.4 - Battery Maintenance

Contacting Emerson Network Power

®

for Support

Contact Emerson Network Power Liebert

®

Services for information or repair service in the United

States at 1-800-LIEBERT (1-800-543-2378).
For repair or maintenance service outside the 48 contiguous United States, contact Liebert Services,

if available in your area. For areas not covered by Liebert Services, the authorized distributor is

responsible for providing qualified, factory-authorized service.
Have the following information available before calling Liebert Services:
Part Numbers:  ________________________________________________________________
Serial Numbers:  _______________________________________________________________
kVA Rating:  __________________________________________________________________
Date Purchased: _______________________________________________________________
Date Installed:  ________________________________________________________________
Location: _____________________________________________________________________
Input Voltage/Frequency:  ______________________________________________________
Output Voltage/Frequency:  _____________________________________________________
DC Source Reserve Time:  ______________________________________________________

!

WARNING

Internal battery strapping must be verified by manufacturer prior to moving a battery cabinet

(after initial installation).
• Battery cabinets contain non-spillable batteries.
• Keep units upright.
• Do not stack.
• Do not tilt.
Failure to heed this warning could result in smoke, fire or electric hazard.
Call 1-800-LIEBERT before moving battery cabinets (after initial installation).
For systems using DC sources other than batteries, refer to the manufacturers's

recommendations for handling and care.

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Содержание Liebert NXL 250 kVA

Страница 1: ...AC Power For Business Critical Continuity Liebert NXL Operation and Maintenance Manual 250 1100kVA 60Hz Three Phase Single Module Multi Module ...

Страница 2: ...__________________________________________ kVA Rating __________________________________________________________________ Date Purchased _______________________________________________________________ Date Installed ________________________________________________________________ Location _____________________________________________________________________ Input Voltage Frequency _________________...

Страница 3: ...vigation 14 2 2 1 Main Display Screen 14 2 2 2 Configurations Menu 14 2 3 Event Management 19 2 4 Status Reports Menu 19 2 5 Startup Menu 20 2 6 Shutdown Menu 20 2 7 Transfer Menu 20 2 8 Battery Management Menu 21 2 9 System View 1 N Systems Only 23 2 10 Metering 24 2 11 Help 24 2 12 Reset 24 2 13 Silence 25 2 14 Modes of Operation 25 2 14 1 Load on Bypass 25 2 14 2 OK to Transfer 26 2 14 3 Input ...

Страница 4: ... 1 UPS System 47 2 15 15 Shutdown 1 N UPS UPS Shutdown 48 2 15 16 Shutdown 1 N UPS System Shutdown 48 2 15 17 1 N System Shutdown 50 2 16 Automatic Operations 52 2 16 1 Overloads Without Transfer 52 2 16 2 Automatic Transfers to Bypass Overload Condition 53 2 16 3 Automatic Transfers to Bypass UPS System Faults 53 2 16 4 Automatic Retransfers to UPS 54 3 0 OPTIONS 55 3 1 Input Contact Isolator Boa...

Страница 5: ...ety Precautions 68 4 2 Liebert Services 69 4 2 1 Professional Startup 69 4 3 Routine Maintenance 70 4 3 1 Record Log 70 4 3 2 Air Filters 70 4 3 3 Limited Life Components 71 4 4 Battery Maintenance 71 4 4 1 Battery Safety Precautions 72 4 5 Detecting Trouble 74 4 6 Reporting a Problem 74 4 7 Corrective Actions 74 4 8 Upstream Feeder Circuit Breaker Setting Inspections 74 5 0 SPECIFICATIONS 75 5 1 ...

Страница 6: ... 16 Figure 19 Battery Equalize settings 17 Figure 20 Battery Management Parameters 18 Figure 21 Typical Event Management Parameters 19 Figure 22 UPS shutdown popup 20 Figure 23 System shutdown popup 20 Figure 24 Time remaining display 21 Figure 25 Battery cycle monitor 22 Figure 26 Battery cycle monitor summary 23 Figure 27 Status View 1 N systems only 23 Figure 28 1 N status view 24 Figure 29 Loa...

Страница 7: ...ling settings 64 Figure 56 Module standby rotation 67 TABLES Table 1 Input Contact Isolator Board pre assigned values 56 Table 2 Input Contact Isolator Board control wiring connections 56 Table 3 Programmable Relay Board pinout 57 Table 4 RAS indicators 59 Table 5 UPS component service life 71 Table 6 Battery voltage nominal and float 73 Table 7 Battery retorque values 73 Table 8 Environmental spe...

Страница 8: ...vi ...

Страница 9: ...on procedures Follow all DC source safety precautions in 4 0 Maintenance when installing charging or servicing DC sources In addition to the hazard of electric shock gas produced by batteries can be explosive and sulfuric acid can cause severe burns In case of fire involving electrical equipment use only carbon dioxide fire extinguishers or others approved for use in electrical fire fighting Extre...

Страница 10: ... fully digital controls to enhance its reliability and increase the ease of use As shown in Figure 1 the AC utility source is input at CB1 and the rectifier converts the AC utility into DC power The inverter converts that DC power from the utility or DC power from the DC source into AC power for the load The DC source will power the load through the inverter in the event of a power failure The uti...

Страница 11: ...critical load 1 2 4 Maintenance Bypass The installation of a Maintenance Bypass Cabinet or Assembly is recommended to allow you to totally isolate the UPS from all power sources Use of the Maintenance Bypass is described in 2 0 Operation 1 2 5 ECO Mode The ECO Mode feature improves the overall efficiency by powering the critical bus from the bypass static switch instead of the inverter The user ha...

Страница 12: ... voltage limit trips the Module Battery Disconnect to safeguard the battery from excessive discharge The Module Battery Disconnect has an undervoltage release mechanism designed to ensure that during any shutdown or failure mode all battery potential is removed from the UPS system Two Breaker Maintenance Bypass This switchboard provides make before break maintenance bypass It includes Maintenance ...

Страница 13: ...nction The touchscreen is a white background display with multicolor text The display turns on automatically but after 15 minutes of inactivity the backlight will go out and the display will appear very dim Touching the screen will reactivate the backlight the backlight will again be active for 15 minutes If any screen other than the mimic screen is accessed that screen will be displayed for 5 min...

Страница 14: ...put Circuit Breaker CB1 Module Output Circuit Breaker CB2 Back Feed Circuit Breaker BFB Input Busbars Doors and Inner Skins Removed Front Doors Removed Keylock or EMO Button optional Inter Module Communication Board Behind HMI Screen Bypass Busbars Input Ground Output Ground Output Busbars DC Input Ext Interface Board HMI Screen DC Input ...

Страница 15: ...liSlot Housings HMI Screen Inter Module Communication Board IMC behind door EMO Button Optional Main Input Circuit Breaker CB1 Module Output Circuit Breaker CB2 FRONT DOORS REMOVED LIEBERT INTELLISLOT HOUSINGS MAIN INPUT CIRCUIT BREAKER CB1 MODULE OUTPUT CIRCUIT BREAKER CB2 BACKFEED CIRCUIT BREAKER BFB KEYLOCK OR EMO BUTTON OPTIONAL FRONT DOORS REMOVED HMI SCREEN INTER MODULE COMMUNICATION BOARD L...

Страница 16: ...ut Circuit Breaker CB1 Module Output Circuit Breaker CB2 Backfeed Circuit Breaker BFB Key Lock or EMO Button Optional FRONT DOORS REMOVED Inter Module Communication Board Behind HMI Screen FRONT DOORS REMOVED Liebert IntelliSlot Housings HMI Screen Inter Module Communication Board Behind HMI Screen Key Lock or EMO Button Optional Main Input Circuit Breaker CB1 Module Output Circuit Breaker CB2 ...

Страница 17: ...OORS REMOVED INPUT CABINET RECTIFIER CABINET DC CABINET INVERTER CABINET HMI SCREEN OPTIONAL INTER MODULE COMMUNICATION BOARD LOCATED BEHIND HMI SCREEN HMI KEYLOCK OR EMO BUTTON BYPASS OUTPUT CABINET BACKFEED BREAKER OUTPUT CIRCUIT BREAKER CB2 BYPASS STATIC SWITCH MAIN INPUT CIRCUIT BREAKER CB1 CONTROL CABLE BOX ...

Страница 18: ...static bypass FRONT DOORS REMOVED MAIN INPUT CIRCUIT BREAKER CB1 OUTPUT CIRCUIT BREAKER CB2 INPUT CABINET RECTIFIER CABINET DC CABINET INVERTER CABINET OUTPUT CABINET HMI SCREEN OPTIONAL INTER MODULE COMMUNICATION BOARD LOCATED BEHIND HMI SCREEN HMI KEYLOCK OR EMO BUTTON CONTROL CABLE BOX ...

Страница 19: ...osed DC Bus Displays the DC Bus voltage and the state of the charger Load Displays the output line voltage phase voltage current kVA kW power factor and frequency The critical load current per phase is also displayed in this block During an overload the time remaining before transfer is displayed at the bottom of the load box After an overload transfer retransfer timeout is displayed at the bottom...

Страница 20: ...12 Figure 12 Monitor mimic display example Normal power flow Figure 13 Monitor mimic display example Utility fail Green Normal Orange Marginal Gray Absent Black Unknown Green Normal Orange Marginal Gray Absent Black Unknown ...

Страница 21: ...14 Monitor mimic display example load on bypass UPS On Figure 15 Monitor mimic display example load on bypass UPS module Off Green Normal Orange Marginal Gray Absent Black Unknown Green Normal Orange Marginal Gray Absent Black Unknown ...

Страница 22: ...6 These parameters are entered during commissioning when the UPS is installed Figure 16 Rating Parameters Nominal Input Voltage Unit Model Nominal Bypass Voltage Unit Serial Nominal Output Voltage Maintenance Bypass Model Nominal Source Frequency Maintenance Bypass Serial Nominal Output Frequency Battery Cabinet Model Nominal Cell Count Battery Cabinet Serial Output kVA Order Number 1 Output KW Or...

Страница 23: ...igh or Low default Low Time 24hr format Adjust Hour Minute or Seconds Date MM DD YYYY format Adjust Month Day or Year Password Reset the password 4 characters alphanumeric case sensitive Language English Chinese Audio level Range 1 to 10 default 5 Phase labeling Auto ABC RST XYZ RYB RWB UVW 123 L1L2L3 default Automatic Module Locator Location ID Alphanumeric System Number Alphanumeric Module Label...

Страница 24: ...t 100 Phase B 10 to 105 default 100 Phase C 10 to 105 default 100 Delay second 0 to 60 default 5 seconds Manual Xfer Bypass Voltage Limits These set the upper and lower limits that the bypass voltage must be within for a manual transfer to bypass to be performed Manual Xfer Bypass Voltage Low Limit 1 to 20 default 5 Manual Xfer Bypass Voltage High Limit 1 to 15 default 5 Inlet Air Temp Warning Inl...

Страница 25: ...ets the start time of the automatic battery test Start Date mm dd yyyyy Set Month Day and Year Test Duration minutes 0 5 minute to 30 of full load Operating Time default 0 5 minute Minimum Battery Voltage lead acid only 1 75VPC to 1 95VPC default 1 75VPC this is the minimum voltage the battery test will stop Low Battery Warning Time Low Battery Warning Time minutes 2 to 60 the upper limit is depen...

Страница 26: ...peration Liebert NXL 18 Figure 20 Battery Management Parameters Cell Count Adjustment Cell Count Adjustment 12 cells to 6 cells default 0 Float Voltage Battery Float Voltage Vpc 2 15 to 2 3 default 2 25 ...

Страница 27: ...nt Management Parameters 2 4 Status Reports Menu This menu accesses the events records Event Log Up to 2048 time date stamped events are captured in the log The oldest record will be overwritten with a new record once the buffer reaches 2048 events System Status Total Operating Hours Total number hours the UPS has been operational Service Reminders Displays when service is recommended for Air Filt...

Страница 28: ...source breakers Transfers to bypass if available Figure 22 UPS shutdown popup System Turns off inverter rectifier and trips all DC source breakers Will shut down UPS completely NOTICE Risk of equipment damage This command will result in the load being shut down The following popup window is displayed when the UPS is about to be shut down To shut down the UPS an operator must press OK Figure 23 Sys...

Страница 29: ...g Graph Displays the time remaining graph in the multipurpose window plot the DC source voltage against elapsed time during a Battery Discharge Cycle see Figure 24 The bottom black line is voltage when the module has reach End of Discharge This line is programmed during commissioning Figure 24 Time remaining display ...

Страница 30: ... 30sec 31 90sec 91 240sec 4 15min 15 30min 30 60min 60 240min 4 8hr 8hr and up Each discharge record will include see Figure 25 Figure 25 Battery cycle monitor Display summary see Figure 26 Battery Commission Date Time Last Battery Discharge Date Time Active Battery Discharge Time Active Battery Amp Hours Active Battery KW Total Number of Discharges Max KW Date AH Time Start Temp C Duration End Te...

Страница 31: ... View 1 N Systems Only System View will display the status of each of the system breakers MOB s MIB MBB It will display the system output information including voltage current kVA kW frequency and number of redundant modules in the system Figure 27 Status View 1 N systems only ...

Страница 32: ...Fault Inverter Ready NO UPS Inverter is off Yes UPS Inverter is ready to take load Output Volts Normal UPS Output voltage is OK Marginal UPS Output Voltage is not OK Fail UPS Output voltage is outside of range Output State Normal UPS is in Normal Mode Off UPS Inverter is off Figure 28 1 N status view 2 10 Metering This button will place the metering tables in the multipurpose window 2 11 Help This...

Страница 33: ... generator and automatic transfer switch external to the UPS that might be present at your installation 2 14 1 Load on Bypass Load on Bypass with the UPS not available is shown in Figure 29 The UPS system could be in this mode of operation during either initial startup or UPS system shutdown and isolation for maintenance NOTICE Risk of equipment damage When the critical load is being supplied powe...

Страница 34: ...load can be manually retransferred from the bypass to the UPS To perform a manual transfer Use the Load Transfer Procedures screen Refer to 2 15 4 Load Transfer and Retransfer Single Module System The UPS control logic will initiate an automatic transfer to bypass if an overload condition exceeds the system current versus time window or if a UPS fault is detected The control logic may initiate an ...

Страница 35: ...screen These limits were selected for your installation by Liebert Services during initial startup The battery block in the UPS module Monitor Mimic Display indicates Charge or Discharge and the current in amperes Figure 32 Input power fail load on DC source 2 14 4 Off DC Source The DC source can be disconnected from the UPS if required for maintenance by opening the module battery disconnect MBD ...

Страница 36: ...mergency Power Off The Remote Emergency Power Off control is a user provided switch located remotely from the UPS system It usually is installed in the same room as the critical load equipment This mode can also be initiated by an automatic contact closure in the same external circuit as the manually operated switch When the Remote Emergency Power Off switch is operated all UPS circuit breakers ar...

Страница 37: ...cuit breakers and switches This section lists typical step by step instructions The touchscreen will list all steps required for the process based on the unit s condition and other factors Startup including initial startup recovering from input power failure recovering from DC source shutdown and recovering from shutdowns for emergencies or maintenance Load Transfers including transfers from UPS t...

Страница 38: ...Bypass Input Breaker BIB This breaker is external to the UPS it may be in the Maintenance Bypass Cabinet The display touchscreen should start b Close the Rectifier Feed Breaker RFB This breaker is external to the UPS it may be in the Maintenance Bypass Cabinet 3 Start the module a Press the Start Up then Manual Start menu buttons see Figure 37 The message Close BFB will appear in the multipurpose ...

Страница 39: ...ress OK to Issue Transfer Command will appear i Press OK The load is now energized from the UPS inverter NOTICE Risk of equipment damage If an abnormal situation occurs during this startup procedure open the input circuit breaker and investigate the problem Call Liebert Services if help is required Figure 37 Startup commands NOTE The DC source charge current may increase quickly but should slowly ...

Страница 40: ...hould start 3 Close the MOB breaker if present on the system 4 Press the Start Up then the Manual Start menu button see Figure 37 The Close CB1 message will appear 5 Close CB1 see Figure 6 The Press OK to Issue Rectifier On Command message will appear 6 Press OK This will start the UPS rectifier The message Press OK to Issue Inverter On Command will appear 7 Press OK The rectifier will be On and t...

Страница 41: ...maximum allowable recharge current for a unit depends on the kVA rating and the DC source recharge current limit WARNING Risk of electrical shock and high short circuit current Can cause equipment damage personal injury and death If the UPS has been shut down for maintenance verify that all of the UPS system doors are closed and latched All test equipment must be removed from the system All electr...

Страница 42: ...ould be open This breaker is located external to UPS possibly in the paralleling gear Maintenance Bypass Breaker MBB optional This circuit breaker should be open This breaker is external to UPS possibly in the paralleling gear Maintenance Isolation Breaker MIB optional This circuit breaker should be open This breaker is external to UPS possibly in the paralleling gear a Close the Bypass Input Brea...

Страница 43: ...MOB s closed 11 Close the MOB s for the UPS s in the system being started The x of y MOBs closed will update as the MOBs are closed x is number of MOBs closed and y is number of MOBs in the system This message will appear Start enough other modules to support the total system load then press OK x of y inverters started 12 At each module Press Start up then Manual Start then This Module menu button...

Страница 44: ...the MOB Breaker connected to this unit This message will appear Close enough other Modules BFBs MOBs to support the total system load then press OK 6 Close the BFB breakers and MOB breakers of all the UPS units in the system that are to be brought online 7 Press OK This message will appear Press OK to turn on all available Bypass Static Switches 8 Press OK This will turn On the Bypass Static Switc...

Страница 45: ...S system is called a retransfer Note that the UPS system control logic can initiate automatic load transfers and retransfers Refer to 2 16 Automatic Operations Transfer Procedure 1 Press the Transfer menu button on the touchscreen The Transfer Retransfer screen will appear in the multipurpose window see Figure 2 8 2 If the UPS output is in synchronization with the bypass press the Bypass button Th...

Страница 46: ...abinet NOTICE Risk of equipment damage Failing to follow the proper sequence when operating any circuit breaker may cause damage to the connected equipment Operating a Maintenance Bypass circuit breaker out of sequence could cut off power to the critical load NOTICE Risk of equipment damage The UPS system must be on internal bypass before performing the following procedures and operating the MIB o...

Страница 47: ...ut Breaker BIB or verify that it is closed Note that the UPS Bypass circuit breaker motorized must also be closed Refer to 2 15 1 Startup Single Module System 2 If using a key interlock system depress the key release unit push button turn the key and remove it from the key release unit 3 If using a key interlock system insert the key into the lock for the Maintenance Isolation Breaker MIB retract ...

Страница 48: ...ystem Collective 1 Verify that the UPS is On and the Inverter is in standby mode see 2 15 2 Startup N 1 System 2 Press the Transfer menu button on the touchscreen The Connect Remove Inverter screen will appear in the multipurpose window see Figure 40 N 1 Transfer menu commands 3 Press Connect Inverter button This will close CB2 NOTE If disengaging this UPS from the system will cause the other UPS ...

Страница 49: ... Off the unit press the Remove Inverter button This will open CB2 3 To isolate the UPS from the critical bus open the MOB breaker This breaker is external to UPS possibly in the paralleling gear 4 See 2 15 7 Load Transfer N 1 System Add UPS to N 1 System Collective to reconnect the module to the collective Figure 41 1 N UPS Transfer to Bypass menu commands NOTE If disengaging this UPS from the sys...

Страница 50: ... buttons see Figure 38 The Close BFB message will appear in the multipurpose window c Close the BFB breaker see Figures 2 and 6 The Close CB1 message will appear d Close CB1 see Figures 2 and 6 This message will appear Press OK to Issue Rectifier On Command e Press OK This will start the UPS rectifier The message Press OK to Issue Inverter On Command will appear f Press OK The rectifier will be On...

Страница 51: ...Operation 43 Liebert NXL Figure 42 1 N UPS Transfer to Inverter menu commands ...

Страница 52: ...em Transfer System to Inverter 1 Verify that all the UPS units are On and the Inverters are in standby mode See 2 15 3 Startup 1 N System 2 Under the Transfer menu button on the touchscreen press the All Modules menu button The Transfer Retransfer screen will appear in the multipurpose window see Figure 41 3 Press 1 N UPS button This will close CB2 and open the Bypass Static Switch in all the modu...

Страница 53: ...ey interlock system reinsert the key into the solenoid 8 If UPS bypass shutdown is required open the Bypass Input Breaker BIB Load Transfer 1 N System Transfer to UPS if Load is on Maintenance Bypass 1 If the UPS modules are Off start the system Refer to 2 15 3 Startup 1 N System 2 Place all the UPS units in the system on Static Bypass Refer to 2 15 10 Load Transfer 1 N System Transfer System to B...

Страница 54: ...ilable drop the load see Figure 22 3 Press OK to shut down the UPS UPS System Shutdown 1 Press the Shutdown menu button on the touchscreen The Shutdown screen will appear in the multipurpose window see Figure 2 Press the System button This brings up a warning that pressing OK will shut down the UPS and if bypass is not available drop the load see Figure 22 3 Press OK to shut down the system NOTE S...

Страница 55: ...ing condition of the UPS module 1 Press the Shutdown menu button on the touchscreen The Shutdown screen will appear in the multipurpose window see Figure 44 2 Press the UPS button This brings up a warning that pressing OK will shut off the UPS and transfer the load to bypass if available see Figure 22 3 Press OK to shut down the UPS Figure 44 N 1 Shutdown menu commands NOTE Service and maintenance...

Страница 56: ...ypass and shut down the UPS 2 15 16 Shutdown 1 N UPS System Shutdown This section lists typical step by step instructions The touchscreen will list all steps required for the process based on the unit s condition and other factors Perform a Module Shutdown Procedure when you want to remove power from a single UPS module in the system Read all warnings in 4 0 Maintenance before performing any maint...

Страница 57: ...Operation 49 Liebert NXL Figure 45 1 N UPS shutdown menu commands ...

Страница 58: ...the MOB breakers to isolate the UPS units from each other d To isolate the system open all the MOB breakers and utility feeds to the bypass and rectifier inputs 5 If an external wraparound bypass is installed a If using a key interlock system depress the key release unit push button turn the key and remove it from the key release unit b If using a key interlock system insert the key into the lock ...

Страница 59: ...Operation 51 Liebert NXL i To isolate the system open all MOB breakers and utility feeds to the bypass and rectifier inputs Figure 46 1 N System Shutdown menu commands ...

Страница 60: ...ansfer The UPS system is capable of sustaining full output voltage 2 of the nominal voltage for overload conditions that remain within under the current versus time curve of overload capacity Figure 47 Note that the time scale is not linear For high current demands of short duration momentary overloads the critical load is supplied simultaneously by both the UPS system and the bypass line Whenever...

Страница 61: ...eaker will be closed if the bypass line is available Note that the bypass line is usually not available during Low Battery Shutdown The circuit diagram is the same as illustrated in Figure 34 for Emergency Module Off The following UPS system faults will initiate an automatic transfer to bypass DC Overvoltage Shutdown Inverter Fault Low Battery Shutdown Output Overvoltage and Undervoltage Overload ...

Страница 62: ...er than output overload 2 Overload has since dropped below 100 of the rated load 3 Both the Input and the DC source MBD circuit breakers have remained closed since the overload transfer 4 OK to Transfer signal received from the control logic for at least 10 seconds within 5 minutes of the system overload transfer A manual retransfer from bypass is required for overloads lasting 5 minutes or more 5...

Страница 63: ... Input Contact Isolator number and the user entered label This label also appears in the Display Panel when an event related to an Input Isolator Connector is triggered The Input Contact Isolator dialog box allows you to Label the input contact assignments for your setup Set the delay for an external event triggering an alarm Review the isolator contact assignments once the labels are entered The ...

Страница 64: ...is dialog only to change a setting 7 This information is not saved if control power is removed Figure 49 Optional Input Contact Isolator Board Table 1 Input Contact Isolator Board pre assigned values Channel Number ICI 1 Pre Assigned Label ICI 2 Pre Assigned Label 1 Reduced Rect ILimit Stop Battery Charge 2 Reduced Batt ILimit Stop Battery Charge 3 Stop Battery Charge Stop Battery Charge 4 Inhibit...

Страница 65: ... Board pinout Terminal Block Channel Pin No Common Normally Closed Normally Open J71 CH1 A 1 3 1 2 3 B 4 6 4 5 6 CH2 A 7 9 7 8 9 B 10 12 10 11 12 CH3 A 13 15 13 14 15 J72 B 1 3 1 2 3 CH4 A 4 6 4 5 6 B 7 9 7 8 9 CH5 A 10 12 10 11 12 B 13 15 13 14 15 TB3 CH6 A 1 3 1 2 3 B 4 6 4 5 6 CH7 A 7 9 7 8 9 B 10 12 10 11 12 CH8 A 13 15 13 14 15 J74 B 1 3 1 2 3 Note Pin 16 not used on J71 J72 and J73 1 2 3 6 7...

Страница 66: ...ed The Programmable Relay Board dialog box is displayed 3 Press the Relay channel 4 Press up to four 4 events Selected events will show up under Relay 1 Assignment 5 Repeat Steps 3 and 4 for each relay 6 Press SAVE to keep the settings Figure 51 Programmable relay board dialog box Assignment 0 to 4 event default 0 Delay sec 0 to 99 9 default 0 NOTE To deselect an event click on the event ...

Страница 67: ...tion press the push button to reset the audible alarm 3 4 Digital Load Bus Sync 3 4 1 System Description Liebert s Load Bus Sync LBS option keeps the output of two or more independent Uninterruptible Power Systems in synchronization even when the systems are operating from different power sources The Liebert LBS works by synchronizing the Designates Slave System DSS to the output of the Designated...

Страница 68: ... has a qualified bypass The LBS system will synchronize back to the DMS when the DMS s bypass is qualified or all DSS s bypass are disqualified If a DSS LBS Slave Priority is set to 0 it will not assume the synchronization of the system if the DMS disqualifies its bypass Figure 52 LBS configuration 3 4 5 Master System The unit designated at power up reset to be the Master will monitor the LBS Sync...

Страница 69: ... bypass static switch instead from the inverter 3 5 1 ECO Mode Setup ECO Mode Operation To enable or disable ECO mode via the front touchscreen Enable Disable Default Disabled Maximum Auto Suspensions Used to specify how many times the system is allowed to automatically reactivate ECO Mode before the current ECO Mode session is terminated and Excessive ECO Mode Suspension event is set Min 1 Max 5 ...

Страница 70: ... Entry Action Start entry in the operation schedule Enable Disable Default Enable Schedule Entry Day of the Week Permits choosing the day of the week for an associated schedule entry action to take effect Sun Mon Tues Wed Thurs Fri Sat Default Sun Schedule Entry Time Permits choosing the time of day for an associated schedule entry action to take effect hh mm 24 hour clock Default 00 00 Schedule E...

Страница 71: ...tisfied 2 Input Contact Interface 1 Channel 8 event active 3 On Generator Active event is active 4 Load kW is less than 10 When any Conditions to Suspend have been satisfied the inverter s will power the load and the bypass will be turned off When the Conditions to Activate ECO Mode Section 3 5 4 have been met the system will automatically return to ECO Mode 3 5 6 Conditions to Terminate ECO Mode ...

Страница 72: ...eration and terminating Intelligent Paralleling Min 0 Max Number of Modules 1 Iteration 1 Default 1 Maximum Time Module In Standby Permits cycling a module that has had Intelligent Paralleling active the longest with another module currently in normal operation after the selected amount of time After the cycle is successful the new module that has had Intelligent Paralleling active the longest wil...

Страница 73: ...nnel 7 event is not active 3 6 4 Conditions to Suspend Intelligent Paralleling Suspend Intelligent Paralleling for a Module At least one of the conditions below must be true for the module to terminate Intelligent Paralleling at a module and return the module to normal operation Intelligent Paralleling is disabled The Number of Redundant Modules is below the Intelligent Paralleling Target Area One...

Страница 74: ... Selection Termination see Intelligent Paralleling Module Termination on page 65 will not be in standby operation for longer than Maximum Time Module In Standby see 3 6 1 Intelligent Paralleling Setup When this time expires the module will terminate Intelligent Paralleling and come back online The next module selected to activate Intelligent Paralleling will be put into standby operation NOTE When...

Страница 75: ...UPS3 UPS4 UPS5 Load UPS1 UPS2 UPS3 UPS4 UPS5 Load UPS1 UPS2 UPS3 UPS4 UPS5 Load UPS1 UPS2 UPS3 UPS4 UPS5 After Maximum Time Module in Standby setting time After Maximum Time Module in Standby setting time After Maximum Time Module in Standby setting time After Maximum Time Module in Standby setting time ...

Страница 76: ...g contact AC voltage will remain on the bypass and output circuit breakers and the static bypass switch unless associated external circuit breakers are opened Check for voltage with both AC and DC voltmeters prior to making contact When the UPS system is under power both the operator and any test equipment must be isolated from direct contact with earth ground and the UPS chassis frame by using ru...

Страница 77: ...e battery system to ensure it meets current IEEE standards Maintenance Agreements The Signature Program UPS Service Agreements Liebert Services has a variety of available maintenance agreements depending on specific site needs Choose the level of support appropriate for each installation Mission critical sites can have the standard parts and labor around the clock coverage for their UPS with or wi...

Страница 78: ...nt conditions surrounding equipment so that abnormal conditions may be more quickly recognized Know what typical meter readings are and where adjustable settings should be 4 3 1 Record Log Set up a maintenance log to record scheduled checks and any abnormal conditions The log should have space for all metered parameter indications including phase readings alarm messages UPS mode of operation air f...

Страница 79: ...ssistance with your specific component specifications replacement component selection and sourcing call 1 800 LIEBERT For customers using Liebert Services preventive maintenance services periodic inspection of these components is part of this service as well as recommending component replacement intervals to customers to avoid unanticipated interruptions in critical load operations 4 4 Battery Mai...

Страница 80: ...equipment damage Batteries should be cleaned with a dry cloth or a cloth lightly moistened with water Do not use cleaners on the batteries Solvents can make the battery cases brittle Because individual battery characteristics are not identical and may change over time the UPS module is equipped with circuitry to equalize battery cell voltages This circuit increases charging voltage to maintain flo...

Страница 81: ...tery retorque values If the system uses a different model battery contact Liebert Services for the required torque value To access battery cell terminals disconnect the inter tier cable and two shelf retaining screws Once disconnected insulate with protective boot or electrical tape the cables to prevent accidental shorts The battery shelf can now be pulled out Tighten each terminal connection to ...

Страница 82: ...ns During normal UPS operations short term overload current demand from the bypass source may reach 10 times the UPS output current rating This overload current demand may be caused by the magnetizing inrush current of one or more downstream transformers i e power distribution units or faults on downstream branch circuits The instantaneous trip point s of the upstream bypass feeder breaker s must ...

Страница 83: ...l facilities may require a room air filtration system to keep the UPS free of excess moisture and contaminants 2 The UPS system is designed to operate continuously at 104 F 40 C However design equipment life expectancy will be extended with lower temperatures 25 C is recommended 3 Ambient temperature is the maximum ambient temperature during any 24 hour period For operation at higher temperatures ...

Страница 84: ...quency Hz 60 Output Frequency Regulation 0 1 Output THDu at Nominal Voltage Linear Load 2 Output THDu at nominal voltage Including a 100kVA Non Linear Load per EN 62040 3 2 5 max Capacity to Handle Step Load 0 100 or 100 0 Transient Recovery Linear Loads msec within 5 peak to peak in one line cycle Capacity to Handle Leading PF Load 0 9 lag to Unity Subject to maximum kW rating at 0 95 Lead Subjec...

Страница 85: ...ife or for any aviation or nuclear reactor It is User s responsibility to ascertain the suitability of Sublicensed Software for any situation or application Weight unpackaged lb kg approx with Static Bypass SMS 3965 1798 4840 2195 6280 2849 10 310 4677 13 650 6192 13 650 6192 21 450 9730 with Static Bypass 1 N 4 040 1 833 4 915 2 229 6 380 2 894 10 410 4 722 13 100 5942 13 100 5942 21 800 9888 wit...

Страница 86: ...Specifications Liebert NXL 78 ...

Страница 87: ... place the unit back online If the manual start fails or if there are other alarms present that won t clear contact your factory authorized service provider Auto Rexfer Failed The condition that caused the system to automatically disconnect the inverter from the critical bus has failed to clear within a specified time delay An example of a recoverable condition one which the controls may attempt t...

Страница 88: ...ery Management Manual Battery Equalize Stop Batt Ground Fault Detected Battery ground current exceeds the trip setting A possible symptom that could cause this alarm is a leaking battery This alarm has a higher detection setpoint than Battery Ground Fault Current Warning and if present means that the Battery Ground Fault Current is excessive This alarm could cause Battery Breakers to trip if the B...

Страница 89: ...tied to the alarm reverts to normal Press SILENCE to silence the audible alarm Observe the One Line Display To identify which battery cabinet is reporting the temperature condition press the Battery Box on the One Line Display to cycle through each battery compartment or string The temperature display is located under the voltage reading in the Battery Box Press User Settings Battery Management Ba...

Страница 90: ...ents Check the One Line display to verify the UPS is online Check the Module Output Meter and verify the kW load is between 25 100 Press the Battery Box on the One Line Display and verify all battery strings show at least 96 charged and all battery breakers are closed If the issue cannot be resolved contact your factory authorized service provider Batt Test Passed The Battery Test passed BFB Open ...

Страница 91: ...RESET If the event does not reset contact your factory authorized service provider Byp Overload Ph A The critical load is greater than 110 while the UPS is on bypass The controls may shut the unit down if the overload condition does not clear within the allotted time Allotted time is variable and is inversely proportional to the amplitude of the overload i e the greater the amplitude of the overlo...

Страница 92: ...vice provider If there is a problem indicated with the bypass voltage investigate and resolve the issue Examples of conditions which could cause this alarm Unstable generator voltage or Bypass Feeder Breaker tripped Bypass OF UF The bypass frequency has exceeded the bypass frequency limit of 5 Hz of nominal If this alarm is active transfers to bypass are disabled This alarm is self clearing When t...

Страница 93: ...battery string Once the location is identified or if the battery string tests are inconclusive contact your factory authorized service provider ECO Mode Active This event indicates that ECO Mode operation is active The ECO Mode feature improves the overall efficiency of the UPS system by powering the critical bus from the bypass static switch instead of the inverter If the critical bus goes out of...

Страница 94: ... is high due to loss of air conditioning and cannot be addressed immediately perform the following Press Transfer Bypass to transfer the UPS to bypass Press SILENCE to silence the audible alarm Wait at least 15 minutes then attempt to reset the alarm by pressing RESET If the alarm clears and proper cooling has been restored to the UPS press Transfer UPS to transfer back to UPS If this alarm is pre...

Страница 95: ...t will clear the next time ECO Mode is initiated by a manual or scheduled start command Perform ECO Mode setup and operation by pressing CONFIG User Settings ECO Mode from the Menu Bar ECO Mode can be configured via the Settings submenu and manually controlled under the Operation submenu If this message is active and there is no clear reason why excessive ECO Mode suspensions are occurring contact...

Страница 96: ...s present A custom message programmed by the user Input Contact XY if the contact is unconfigured Stop Batt Charge if the contact is programmed as Pre assigned If this event is active an external signal is wired into channel Y of Input Contact Isolator X If the display shows Case 1 above blank message it means the contact channel is set to default but the default message was erased If the display ...

Страница 97: ...lf clearing When the condition is no longer present the alarm and any control activity tied to the alarm reverts to normal Press SILENCE to silence the audible alarm Examine the One Line Display The Rectifier input line feeding the Input Breaker should be green If not investigate source power to the UPS If input power is good and this alarm is active contact your factory authorized service provide...

Страница 98: ...or more output phases When an overload occurs the controls display a countdown timer that displays the time remaining until a transfer to bypass occurs The length of the timer is inversely proportional to the amplitude of the overload When the timer reaches zero the UPS transfers to bypass and populates the Active Event Window with this alarm This fault is non latching When the underlying conditio...

Страница 99: ...Press SILENCE to silence the audible alarm Check the Output Meter readings and verify the Output Power Factor If the displayed power factor is less than 0 95 leading and the load is greater than 80 reduce the load or investigate Contact your factory authorized service representative Load Bank Breaker LBB Open The load bank breaker indicates that it is in the open position Load on Bypass The load i...

Страница 100: ...power line feeding the Static Bypass Switch BPSS box If bypass is available press Transfer Bypass to transfer to bypass If the bypass is qualified the UPS transfers to the bypass source If bypass is not available prepare to shut down critical loads or remove non essential loads in order to extend battery run time so that critical loads may be shut down in an orderly manner Low Power Factor The out...

Страница 101: ...t be in sync with bypass This status message is self clearing When the condition is no longer present the message and any control activity tied to the status event reverts to normal The condition clears from the Active Event Window when manual re transfers are enabled A possible reason for this condition is an unstable generator If the generator frequency is not stable or not at 60 Hz the Inverter...

Страница 102: ... Board has Failed 0x0040 Bypass Sync Error 0x0080 Loss of Sync Pulse 0x0100 BPSS not Enabled 0x0200 Removing Module will cause Overload or Drop the Load 0x0400 CB2 Open 0x0800 MOB Open 0x1000 Bypass Source Fault Detected 0x2000 Continuous Tie Active Max Load Alarm Ph A The user adjustable maximum load alarm threshold was exceeded This is a notification only type alarm meaning the UPS takes no acti...

Страница 103: ...ser Settings Adjustable Setpoints Max Load Alarm Compare the setpoint to the displayed load percentage If the load percentage displayed is correct and the value exceeds the setpoint raise the setpoint to clear the alarm or reduce the load below the setpoint Contact your factory authorized service provider MBD Open The Module Battery Disconnect is open This alarm is self clearing When the condition...

Страница 104: ...ve an active event and the type of event Fault Alarm Go to the module s and investigate Module In Standby This module has gone into standby mode due to Intelligent Paralleling operation Since the load can be powered and the required redundancy met with fewer modules this module has automatically been taken offline to conserve power and improve operating efficiency This status message is self clear...

Страница 105: ...is Off and the input voltage is ok attempt to restart the UPS by pressing Startup Manual Start and follow the prompts If the Input Meter indicates input or bypass is not available investigate and resolve the power problem If the load is on bypass and all alarms are reset press Transfer UPS to attempt to transfer back to Inverter If the issue cannot be resolved contact your factory authorized servi...

Страница 106: ...ectifier Fault was cleared by pressing RESET but the fault returns as soon as a Rectifier restart is attempted contact your factory authorized service provider Rectifier Input Breaker CB1 Open The rectifier input breaker indicates that it is in the open position Redundant Fan Fail This alarm indicates a fan has failed Press SILENCE to silence the audible alarm Contact your factory authorized servi...

Страница 107: ... external signal Automatic Restart Inhibit is active when signaled from an external source The signal is wired into Input Contact Interface ICI 1 Investigate and resolve the external signal forcing the UPS to remain Off If you do not have an ICI or if there are no external Off signals input to the UPS contact your factory authorized service provider Service Code Active This event is for informatio...

Страница 108: ... transferring to bypass could expose the load to an outage if the bypass source fails If bypass is not available prepare to shut down critical loads or remove non essential loads in order to extend battery run time so that critical loads may be shut down in an orderly manner System On Battery The number of modules on battery exceeds the number of redundant modules online This alarm is self clearin...

Страница 109: ...t Log by pressing Status Reports Event Log to investigate why the UPS tried to transfer to bypass and why the BPSS failed Press RESET to attempt to clear any latched alarms or faults If conditions appear normal attempt to restart the UPS by pressing Startup Manual Start and follow the prompts Contact your factory authorized service provider Xfer to Inv Inhibit Transfers from bypass to Inverter are...

Страница 110: ...UPS Alarm and Status Messages Liebert NXL 102 NOTES ...

Страница 111: ......

Страница 112: ... change without notice Liebert is a registered trademark of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners Technical Support Service Web Site www liebert com Monitoring liebert monitoring emerson com 800 222 5877 Outside North America 00800 1155 4499 Single Phase UPS Server Cabinets liebert upstech emerson com 800 222 5877 Outside North...

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