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User Manual 10H52188UM51 - Rev. 1 - 09/2011 

 

55 

Liebert NXC 

Options 

Chapter 8   

 

Options 

This chapter introduces the options of the UPS. 

8.1

 

Option list 

See Table 8-1 for the option list. 

Table 8-1  Option list 

Option name 

Model 

Remark 

Communication 

cables 

UHRK2S671SL4 

Liebert® NXC 10/15/20kVA UPS parallel communication cables 

 
 

8.2

 

Communication Cables 

Communication cable is compulsory in parallel system. See Table 8-2 for cable description. Refer to 3.3.2 for the methods to 
connect the parallel cables. 

Table 8-2    Description of the communication cable 

Type Name 

Description 

Appearance 

UHRK2S671SL4 

Communiation 

cable 

For N + 1 parallel system, N + 1 communication cables are 
needed. For example, two communication cables are needed 
in 1 + 1 parallel system; three communicatio cables are 
needed in 2 + 1 parallel system; four communication cables 
are needed in 3 + 1 parallel system 

 

 

8.3

 

Battery Cabinet 

For extra long back up time an external battery cabinet is available. 

 

Figure 8-1  Appearance of the battery cabinet 

Содержание NXC

Страница 1: ...Liebert NXC 10 15 20kVA UNINTERRUPTIBLE POWER SUPPLY USER MANUAL 10H52188UM51 rev 1...

Страница 2: ...or similar methods even of parts are reserved Offenders will be liable for damages All rights including rights created by patent grant or registration of utility model or design are reserved Delivery...

Страница 3: ...ers Setting 23 2 5 3 Normal Mode Start Up 26 2 5 4 Battery Mode Start Up 26 CHAPTER 3 PARALLEL UPS INSTALLATION AND COMMISSIONING 27 3 1 Features 27 3 2 Requirements 27 3 3 Connecting Power Cables 27...

Страница 4: ...Reset 48 5 7 Language Selection 49 5 8 Changing Current Date And Time 49 5 9 Control Password 49 CHAPTER 6 COMMUNICATION 50 6 1 Installing Intellislot cards 50 6 1 1 Intellislot cards Port 50 6 2 Conn...

Страница 5: ...range and output immune to grid interference thus adaptable to areas with unstable mains supply High power density Full digital control technology based on digital signal processor DSP to achieve high...

Страница 6: ...iew Figure 1 1 UPS appearance 1 3 2 Components UPS module front panel As shown in Figure 1 2 the UPS module front panel provides ventilation holes operation and display panel LED indicators DIP switch...

Страница 7: ...UPS the output voltage is the bypass voltage and the mains supplies power to the load through the bypass After turning on the UPS the inverter output is connected to the load and the mains supplies DC...

Страница 8: ...ic diagrams of Normal mode Bypass mode Battery mode Maintenance Bypass mode ECO mode and FRC mode are shown in Figure 1 7 Figure 1 7 Operation schematic diagram For the LED indicators introduced in th...

Страница 9: ...into operation so as to ensure the adequate backup time for battery 2 The battery cold start can also be used to start the UPS from the Battery charged mode upon mains failure Therefore the battery p...

Страница 10: ...ating 228Vac at half load Rated frequency 50Hz 60Hz default 50Hz Frequency range 40Hz 70Hz Power factor 0 99 at full load 0 98 at half load Output Rated power 9kW 13 5kW 18kW Voltage 3 in 3 out 230Vac...

Страница 11: ...nes Protection level IP20 Ambient condition Operating temperature 0 C 40 C Storage temperature 40 C 70 C battery excluded 20 C 55 C battery included Relative humidity 5 RH 95 RH non condensing Altitud...

Страница 12: ...check the following items 1 Visually inspect the UPS appearance for transportation damage If any problem is found please notify the carrier immediately 2 Check the accessories and models against the...

Страница 13: ...he specifications The internal fans provide the forced air cooling for the UPS Cooling air enters the UPS through the ventilation holes on the front panel and exhausts the hot air through the back ven...

Страница 14: ...ns You can connect the UPS to the mains temporarily when charging the battery so as to charge the battery for battery activation 2 2 4 Installation Tools Prepare installation tools according to Table...

Страница 15: ...upstream input power distribution terminal to avoid generating the false alarm The earth leakage current introduced by the RFI filter in the UPS ranges from 3 5mA to 1000mA It is recommended to confi...

Страница 16: ...when 3 in 1 out mode Table 2 3 Single UPS cable CSA unit mm2 ambient temperature 25 C Model Input Output Bypass Neutral cable PE Battery 10kVA 3 in 3 out 4 4 4 4 4 6 10kVA 3 in 1 out 4 10 10 10 10 6 1...

Страница 17: ...urce configuration 3 in 1 out split bypass configuration Self distribution The four I O cable connection procedures of the self distribution are as follows 3 in 3 out common source configuration facto...

Страница 18: ...tively to the I O terminal block U1 V1 W1 and N1 and PE terminals of the UPS 3 Connect the live lines bypass input phase L1 bypass input phase L2 and bypass input phase L3 and N line respectively to t...

Страница 19: ...As shown in Figure 2 6 paste the insulating film accessory on the copper shorting bar 10 and insert the buckles into the corresponding holes on the copper shorting bar 10 Assembling Completed status I...

Страница 20: ...t according to the steps described in the following section Changing power distribution mode Continue the following input and output power cable connection and power on commissioning after confirming...

Страница 21: ...and N2 terminals of the UPS I O terminal block 7 Connect the output L line N line and PE line respectively to the copper shorting bar 5 copper shorting bar 4 with two N3 terminals and the other screw...

Страница 22: ...n enter this menu to confirm the setting is valid 4 Power off the system completely and replace the EPO jumpers of the dry contact port 4 and remove the main input cable From 3 in 1 out to 3 in 3 out...

Страница 23: ...single UPS parameters according to Table 2 5 Table 2 5 Single UPS parameters setting Parameters Default value Parameters setting Single Group Batt Cap 0014 Set the parameter according to the actual b...

Страница 24: ...el system shares the battery string or not Disabled System Configuration Set the UPS single parallel Single Parallel Requisite Units Set the parallel units 1 Parallel Redundant units Set the redundant...

Страница 25: ...OUT NONE SIC ESC Enabled Equalize Charge Allowed 14 30 36 Figure 2 12 Settings interface 2 Note The default value of Battery Cells Number is 32 set the paramerter according to the atcual requirement...

Страница 26: ...it is safe to feed power to load 2 LCD displays the self test screen the fault indicator red and inverter indicator green are on at the same time for about 5 seconds After the self test UPS enters th...

Страница 27: ...l operation mode automatically 3 The total load of the parallel system can be queried through the LCD of each UPS 3 2 Requirements A UPS system composed of multiple parallel connected UPS units is equ...

Страница 28: ...self distribution mode Figure 3 1 Block diagram of three UPSs parallel system Warning Each UPS must configure extenal input MCB and extenal output MCB when carring out the power distribution for the...

Страница 29: ...is correct and whenther the pin1 pin9 are connected Setting parallel addresses The parallel addresses for all UPSs in parallel system should be set The parallel addresses can be set through the DIP sw...

Страница 30: ...gure 3 3 Connection principle diagram upon using battery strings independently Sharing battery string Using the shared battery string in parallel system can save investment in equipment for users Note...

Страница 31: ...Settings Shared Battery from each UPS unit set the LCD menu Settings Battery Cells Number and Single Group Batt Cap from each UPS unit and each UPS unit setting must be the same as shown in Figure 3 6...

Страница 32: ...parallel system shares battery string check these items carefully 3 Check all the working status of the parallel system ensure that the phase sequence of the mains bypass and output of each UPS is cor...

Страница 33: ...em with N X 2 N X 4 set System Configuration to Parallel Parallel requisite units to N 1 N 4 Parallel Redundant Units to X 0 X 3 Take the 3 1 parallel system for example set System Configuration to Pa...

Страница 34: ...econd UPS Follow the preceding steps to start the inverter of the second UPS check whether there is alarm on the LCD and confirm that the UPS parallel works normally 3 Follow the methods to start up t...

Страница 35: ...nt protective device should be installed before the input terminal 3 5 4 Connecting LBS Cables In double bus system connect the two ends of the LBS cable to any LBS port of the two parallel systems re...

Страница 36: ...UPS 2 bC mC bB mB bA mA bN mN oN oN oA oB oC PE PE UPS 3 bC mC bB mB bA mA bN mN oN oN oA oB oC PE PE UPS 4 bC mC bB mB bA mA bN mN oN oN oA oB oC PE PE DB9 male port DB9 female port LBS cable DB9 mal...

Страница 37: ...uble bus system is same as shown in Figure 3 10 ITA 016 kVA Settings Unit 1 Enabled Disabled System Configuration Parallel Parallel requisite units 1 ESC Disabled Shared Battery 1 2 3 4 Single Paralle...

Страница 38: ...LARM CLEAR EPO Figure 4 1 Operation and display panel 4 1 1 LED Indicators The LED indicators are composed of inverter indicator and fault indicator Table 4 1 gives the indicators description Table 4...

Страница 39: ...e buzzer 4 1 4 LCD And Menu Buttons The operation and display panel provides an LCD and five menu buttons F1 F2 F3 F4 HELP Table 4 4 gives the menu buttons function description Table 4 4 Menu buttons...

Страница 40: ...0 0 0 0 0 0 Power factor 0 00 0 00 0 00 System information window Data window Menu window Keypad window Figure 4 3 Primary screen The current icons on top of the F1 F4 and HELP menu buttons give the e...

Страница 41: ...r Bypass L N voltage V Phase voltage Frequency Hz Bypass frequency L L voltage V Line voltage Output L N voltage V Phase voltage L N current A Phase current Frequency Hz Output frequency L L voltage V...

Страница 42: ...function Option NONE SLAVE or MASTER Command password You can change the command password Default 12345 Protocol Set the communication protocol of the UPS 3 in 3 out 3 in 3 out Set the output system...

Страница 43: ...the system completely and then power on the system again after the wiring is changed according to the settings 4 5 UPS Alarm Message List Table 4 8 gives the UPS alarm message list based on the Event...

Страница 44: ...eck if the alarm Bypass Unable To Trace or Bypass Protection exits If so solve it first 2 Verify the waveform of the bypass voltage If too distorted ask the user to verify it and seek any possible mea...

Страница 45: ...cancel Prompt to press the ESC button to avoid that an interrupted load transfer to bypass will happen Fault clear Press FAULT CLEAR Alarm silence Press ALARM CLEAR Turn on fail Inverter failed to tu...

Страница 46: ...rmal mode start up and battery mode start up refer to 2 5 3 and 2 5 4 for details For the detailed information of the parallel UPS refer to 3 4 3 5 2 Transfer Procedures Between Operation Modes Note T...

Страница 47: ...tch LBS QS1 QS2 and QS4 Caution 1 When the UPS is in Maintenance Bypass mode the load does not have the mains abnormal protection 2 After the UPS transfers to the maintenance bypass the UPS is not in...

Страница 48: ...s input is present the UPS control circuit will remain active however the output is closed To remove all mains power from the UPS the external input switch should be disconnected 5 5 Auto Restart When...

Страница 49: ...left or right arrow to select the Language menu 2 Press F5 Enter to move the cursor to the data window of the LCD 3 Use F3 and F4 up and down arrow to select the required language 4 Press F5 Enter to...

Страница 50: ...er to UPS Extended Dry Contact Card User Manual for the installation and operation guide 6 2 Connection Cables For Dry Contact Port The UPS provides five dry contact ports see Figure 1 3 for the speci...

Страница 51: ...e UPS will close the rectifier inverter and static bypass but it cannot disconnect the UPS mains input inside If you want to disconnect the UPS completely just disconnect the upstream input MCB when g...

Страница 52: ...before restart the UPS 6 3 Connecting USB Communication Cables The USB port is located on the rear panel of the UPS as shown in Figure 1 3 The USB port can connect the monitoring software The methods...

Страница 53: ...regularly the screws at the battery connection parts fasten it immediately if not tight 2 Make sure that the safety equipment are complete and that the function is normal especially that the settings...

Страница 54: ...find out the reason such as operator intervention overload internal fault and so on 3 Check if the battery is discharging When AC mains is normal the battery should not discharge if the UPS operates...

Страница 55: ...ee Table 8 2 for cable description Refer to 3 3 2 for the methods to connect the parallel cables Table 8 2 Description of the communication cable Type Name Description Appearance UHRK2S671SL4 Communia...

Страница 56: ...Version This UPS includes an insulation transformer at the UPS output This transformer is installed in place of the batteries and provides electrical insulation between the UPS output and the load UPS...

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