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Vertiv™ Liebert EXS 80kVA UPS User Manual

5 UPS Operating Instructions

5.10 Selecting Language

The LCD menus are available in 13 languages.

Procedures for selecting the language:

1. Access the main menu screen and press the

key to switch the cursor to select ‘Settings’,

then press the

key to confirm it. See

Figure 5-12

Figure 5-12 Main menu

Status

Settings

Control

Log

About

Maintain

2. Press the

key to move the cursor to ‘Monitor’, see

Figure 5-13

Figure 5-13 Monitor interface

Monitor

System

Language
Date format
Date

Time
Audible alarm
Serial 1 baudrate
Serial 2 baudrate

English

13:55:33
Enable

9600 bps
9600 bps

01-12-2018

M/D/Y

Содержание Liebert EXS 80kVA UPS

Страница 1: ...Liebert EXS 80kVA UPS User Manual...

Страница 2: ...on or for any errors or omissions Refer to other local practices or building codes as applicable for the correct methods tools and materials to be used in performing procedures not specifically descri...

Страница 3: ...System 9 1 3 1 Parallel System Features 9 1 3 2 Parallel System Requirements 10 1 4 UPS States and Operating Modes 10 1 5 Battery Management 13 1 5 1 Normal Function 13 1 5 2 Advanced Function 14 1 5...

Страница 4: ...4 Selection of UPS I O Switch 28 3 1 5 Power Cable Connecting Terminal 29 3 1 6 Protection Ground 29 3 1 7 Notes 29 3 1 8 Power Cable Connection Steps 29 3 2 Wiring of Signal Cable 32 4 Operator Contr...

Страница 5: ...l Mode 54 5 3 4 Transfer from Normal Mode to Maintenance Bypass Mode 55 5 3 5 Transfer from Maintenance Bypass Mode to Normal Mode 56 5 4 Battery Test Procedures 56 5 5 System Test Procedure 57 5 6 UP...

Страница 6: ...ng down UPS 74 6 4 8 Procedures for Complete UPS Shutdown while Maintaining Power to Load 74 6 5 LBS System 74 6 5 1 Overview 74 6 5 2 Cabinet Installation 74 6 5 3 Connecting Power Cables 76 6 5 4 Co...

Страница 7: ...9 9 IP31 Kit 98 9 10 C2 Electromagnetic Shielding Assembly 98 10 Specifications 99 10 1 Conformance and Standards 99 10 2 Environmental Characteristics 99 10 3 Mechanical Characteristics 100 10 4 Elec...

Страница 8: ...vi Vertiv Liebert EXS 80kVA UPS User Manual This page is intentionally left blank...

Страница 9: ...t Safety 1 If this product will be stored or remain de energized for a long period it must be placed in a dry and clean environment within specified temperature range 2 This product should be used in...

Страница 10: ...lication in the second environment installation restrictions or additional measures may be needed to prevent disturbances The UPS with standard configuration is a category C3 product Installation rest...

Страница 11: ...nly service personnel can contact the hazardous voltage inside the UPS However the risk of contacting these voltages is minimized because the components with hazardous voltage may be contacted only by...

Страница 12: ...4 Vertiv Liebert EXS 80kVA UPS User Manual Safety Precaution This page is intentionally left blank...

Страница 13: ...ode efficiency up to 99 Compact footprint with optional integrated isolation transformer Parallel up to 4units which delivers max capacity of 320 kVA Unity input power factor Tolerates wide range of i...

Страница 14: ...ifier PFC charger inverter bypass battery and output 2 When the mains is normal the rectifier and inverter work together to supply the loads and charge the battery 3 When the mains is abnormal the rec...

Страница 15: ...circuit breaker is closed and the battery is in stable floating charge state Parallel System Note As the UPS single module outputs are connected in parallel the system checks that the inverter control...

Страница 16: ...s load requirements and controls the power supplied by each UPS module In the event that an overload condition is sustained for greater than a preset time the load will transfer to the bypass when the...

Страница 17: ...ignal to the shunt tripping coil so as to trip the BCB It also has a magnetic trip facility for overload protection and short circuit protection 1 3 Parallel System Up to four UPS modules can be conne...

Страница 18: ...sists of two or more UPS modules the bypass load sharing inductors optional should be selected 1 4 UPS States and Operating Modes For the LED indicators introduced in this section refer to 4 1 1 LED I...

Страница 19: ...mode without availability of input power supply Therefore the battery power can also be utilized independently for improving the system availability Figure 1 4 Schematic diagram of battery mode Rectif...

Страница 20: ...thin the range of normal frequency and normal voltage adjustable the load is powered by the bypass with the inverter on stand by when the voltage and or frequency of the bypass supply are beyond the p...

Страница 21: ...functions are set by the service engineer through the Vertiv setting software 1 5 1 Normal Function 1 Constant current boost charge Adopt the constant current within battery charging limit to charge...

Страница 22: ...Vertiv setting software Conditions Battery at float charge for at least 5h load equal to 20 100 of rated UPS capacity Trigger Automatically or manually through the command of battery maintenance test...

Страница 23: ...otection functions are set by the service engineer through the Vertiv setting software Battery low pre warning The battery low pre warning occurs before the EOD After this pre warning the battery shou...

Страница 24: ...16 Vertiv Liebert EXS 80kVA UPS User Manual 1 Overview This page is intentionally left blank...

Страница 25: ...commissioning engineer 3 In the case of any equipment or items not covered by this section refer to the specific mechanical and or electrical installation instructions provided with such items WARNIN...

Страница 26: ...t to the place closest to the installation site If an electric forklift is used insert the tines of the forklift below the bottom pallet as shown in Figure 2 1 to prevent the equipment from falling ov...

Страница 27: ...able wrench Slotted screwdriver Cross head screwdriver Stepladder Forklift Drill Wire cutting plier Claw hammer Diagonal cutting plier Insulating shoes Antistatic gloves Electrician knife Cable tie In...

Страница 28: ...Unpacking Unpack the UPS and battery packages under the guidance of authorized service engineer Steps 1 Use a cutting plier to cut off the packing belt and remove the honeycomb board as shown in Figu...

Страница 29: ...the front panel loosen the fixing screws and remove the bottom fixed part at front of the cabinet Then loosen the fixing screws and remove the bottom fixed part at back of the cabinet As shown in Fig...

Страница 30: ...ate ventilation and should be located on concrete or other nonflammable and flat surfaces The ambient environment should be free of conductive powder such as metallic powder sulfide sulfur dioxide gra...

Страница 31: ...ding to the normal operating mode 2 6 3 Battery Room Batteries generate some amount of hydrogen and oxygen at the end of charge so the fresh air volume of the battery installation environment must mee...

Страница 32: ...2 Due to its intensity the castor may not be valid on the uneven surface 3 The center of gravity of the UPS cabinet is high avoid falling over during the cabinet movement 4 Vertical hanging of cabine...

Страница 33: ...25 Vertiv Liebert EXS 80kVA UPS User Manual 2 Mechanical Installation 2 8 Installation Drawings Figure 2 6 Top front side bottom view of the 80kVA UPS unit mm 120 600...

Страница 34: ...26 Vertiv Liebert EXS 80kVA UPS User Manual 2 This page is intentionally left blank...

Страница 35: ...Configuration The cable size of the system power cable shall meet the following requirements UPS input cable The cable size of the UPS input cable differs with the UPS power ratings and input AC volta...

Страница 36: ...mended CSA of UPS Cable The recommended CSA of the UPS cable is listed in Table 3 2 Table 3 2 Recommended CSA of the UPS cable unit mm2 ambient temperature 35 C Model Input Output Bypass Neutral line...

Страница 37: ...cal regulations shall prevail 1 The cable size of the protective earth cable shall be selected according to the AC power failure level cable length and protection type The grounding wire connection mu...

Страница 38: ...B oC N PE into the cabinet through corresponding cabling hole Follow Figure 3 1 to connect power cables to corresponding terminals and fix PE cable to PE terminal If common input configuration just le...

Страница 39: ...install them again 2 3 in 3 out split bypass configuration Remove the bypass input cables bA bB bC connected to the main input terminal Connect the bypass input cables to the bypass input terminal bA...

Страница 40: ...y earthed 2 Refer to 7 2 Connecting Dry Contact Port Cables for the definition of signal cables Refer to Figure 3 2 for wiring of signal cable Figure 3 2 Wiring of signal cables top cable access Disma...

Страница 41: ...battery status information and any alarm messages As shown in Figure 4 1 the operator and display panel includes an LCD screen menu keys and LED indicators run indicator and alarm indicator Figure 4...

Страница 42: ...is sound is generated in the event of a general UPS alarm condition 4 1 3 LCD and Functional Keys The operator and display panel includes five function keys the respective functions are described in T...

Страница 43: ...4 1 4 LCD Menu Structure Figure 4 3 LCD menu structure Start up Flow Main Menu Status Settings Control Log About Maintain Input Bypass Battery Output Load Parallel Monitor System Output Battery Paral...

Страница 44: ...nvalid is displayed in grey Figure 4 5 Flow screen 219 0V 49 9Hz 220 2V 49 9Hz Charge 553 9V 95 11 0 Min 220 4V 49 9Hz 81 1 Press the key on the flow page to access the main menu screen 4 2 3 Main Men...

Страница 45: ...Input Bypass Battery Output and Load See below Status Settings Control Log About Maintain 217 9 35 7 35 5 35 4 49 96 377 1 0 0 0 218 2 218 2 49 96 49 96 377 5 377 0 Input Bypass Battery Output L N vo...

Страница 46: ...te Time Audible alarm Serial 1 baudrate Serial 2 baudrate English 13 55 33 Enable 9600 bps 9600 bps 01 12 2018 M D Y UPS address Card slot protocol Change settings password 1 YDN23 Monitor System Moni...

Страница 47: ...ings Control Log About Maintain Current History 00 Load on Inverter 00 Inverter Manual On 00 Fault Clear 1 1 01 12 2018 13 48 09 01 12 2018 13 46 53 01 12 2018 13 47 10 01 No Battery 01 12 2018 13 43...

Страница 48: ...r 1 Rectifier DSP ve Monitor Resource ve 1 Inverter DSP ver 380V 50Hz EXS 1230000000000 V000B012D000 V000B003D000 V000B007D000 V000B009D000 V000B010D000 Product Run time Efficiency UPS run time Bypass...

Страница 49: ...nged OK This prompt will appear when the user has changed the Settings password successfully Fail to change password please try again This prompt will appear when the user attempts to change the Setti...

Страница 50: ...aining test OK or Cancel This prompt appears when you select a command of battery maintenance test confirm or cancel it Xfer to normal mode start maintaining test This prompt appears when you select a...

Страница 51: ...put Sw is closed Please confirm Int MIB Output Sw and EXT MIB are closed Please confirm Int MBB Maint Sw is opened Please confirm Int MBB Maint Sw and EXT MBB are opened Please confirm PARA INV is on...

Страница 52: ...ss Phase Reversed The phase rotation of the bypass voltage is reversed Bypass Unable to Trace The bypass voltage and frequency are outside specifications Bypass Overcurrent The bypass current is outsi...

Страница 53: ...mp Input transformer overtemperature Output Short UPS output has short circuit fault Load on Maintainace Bypass UPS in maintainance bypass mode Battery Voltage Low Battery voltage too low and out of t...

Страница 54: ...S overload status continues and the overload times out When the time has expired the load automatically transfers to the bypass Output Fuse Fail At least one of the inverter output fuses is blown Outp...

Страница 55: ...lay panel pressed to manually turn off the inverter Autostart After UPS shutdown at EOD the inverter automatically starts upon mains restoration Load on Bypass UPS is in bypass mode Load on Inverter U...

Страница 56: ...emo mode Regen Mode Enabled Self aging mode enabled Regen Mode Active Self aging mode activated Testing Mode Enabled Testing mode enabled Testing Mode Active Testing mode activated Pwr Conditioner Mod...

Страница 57: ...eration the buzzer alarm may be activated if so you can select the command of Mute Unmute audible alarm via the Control page to silence the audible alarm 3 When UPS uses traditional lead acid battery...

Страница 58: ...ttery poles are correct 3 Measure the mains voltage and frequency and verify that they are correct 4 The UPS output terminals are energized when the UPS is switched on If the load has been already con...

Страница 59: ...switch Q3 is off and that the input cables and PE terminals are connected securely 2 Close the output switch Q5 bypass input switch Q2 and main input switch Q1 in turn 3 At the moment the system is po...

Страница 60: ...to normal mode and the run indicator will be solid on See Figure 5 5 for the power flow page Figure 5 4 Switching the UPS on 218 2V 50 0Hz 220 0V 49 9Hz 563 8V 97 200 0 8 2V 0Hz 0 Confirm Turn on loc...

Страница 61: ...rs like inverter output voltage and frequency are normal If so the start up is complete 5 3 Procedures for Transferring between Operating Modes NOTE The Inverter operating modes include Normal mode an...

Страница 62: ...ar select NO to shut down the UPS output Figure 5 8 Bypass abnormal interface 217 8V 49 9Hz 2 1V 0Hz 220 2V 49 9Hz 0 Confirm This operation leads to output shutdown No Yes 5 3 3 Transfer from Bypass M...

Страница 63: ...ntenance Bypass Mode When the UPS is running in Normal mode you can use this procedure to transfer the load from inverter output to maintenance bypass CAUTION Power supply interruption danger of the l...

Страница 64: ...procedures may be used to transfer the load from the maintenance bypass to the inverter 1 Push the baffle of maintenance bypass switch Q3 leftwards to the end position and keep it stay this position...

Страница 65: ...enter each password digit with u Use or key to to access next field Press the key when all digits have been entered 3 Wait until the test completes This test updates the battery information including...

Страница 66: ...the UPS to alert personnel that UPS maintenance is in progress 2 Wait 10 minutes for the internal DC bus capacitors to discharge Then the UPS is completely shut down WARNING Hazardous battery voltage...

Страница 67: ...m Clear faults Figure1 1 2 Press the power button to start the inverter After the inverter runs normally the UPS will transfer from Bypass mode to Normal mode and the run indicator green will be solid...

Страница 68: ...ess the or key to switch the cursor to select Settings then press the key to confirm it See Figure 5 12 Figure 5 12 Main menu Status Settings Control Log About Maintain 2 Press the key to move the cur...

Страница 69: ...y to confirm it At this point the LCD information will be the displayed in your selected language See Figure 5 15 Figure 5 15 Changing Language Monitor System Language Date format Date Time Audible al...

Страница 70: ...te Serial 2 baudrate English 13 55 33 Enable 9600 bps 9600 bps 01 12 2018 M D Y 3 Press the key and press the or key to highlight the date and time see Figure 5 18 Figure 5 18 Selection of date and ti...

Страница 71: ...3 55 33 Enable 9600 bps 9600 bps 01 12 2018 M D Y Monitor System Language Date format Date Time Audible alarm Serial 1 baudrate Serial 2 baudrate English 13 55 33 Enable 9600 bps 9600 bps 01 12 2018 M...

Страница 72: ...password proceed as follows 1 Press the key to move the cursor to the Monitor interface see Figure 5 22 Figure 5 22 Monitor interface Monitor System Language Date format Date Time Audible alarm Serial...

Страница 73: ...this point the system requests the user to enter a new password See Figure 5 25 Figure 5 25 Inputting new password UPS address Card slot protocol Change settings password 1 YDN23 Monitor System 0 OK...

Страница 74: ...the password has been changed successfully see Figure 5 27 Figure 5 27 Password changed successfully UPS address Card slot protocol Change settings password 1 YDN23 Monitor System 0 OK Password change...

Страница 75: ...UPS system Nevertheless it provides increased system reliability To ensure equal utilization of all UPSs and compliance with relevant wiring regulations the following requirements must be met 1 All s...

Страница 76: ...Place the UPS modules side by side and interconnect as shown in Figure 6 1 The output distribution mode QE1 QE2 must be configured shown in Figure 6 1 is recommended to facilitate maintenance and syst...

Страница 77: ...ouble insulated parallel cables available in lengths 5m 10m and 15m must be interconnected in a ring configuration between the UPS modules as shown in Figure 6 2 Method connect a single module paralle...

Страница 78: ...Check that the batteries have been installed properly the cables have been connected correctly and that the positive and negative battery poles are correct 3 Check all the working status of the paral...

Страница 79: ...and starts to run see Figure 5 2 for power flow page The rectifier runs in normal state for about 30 seconds after which the rectifier start up phase is complete Please confirm that the LCD displays...

Страница 80: ...will make the load transfer from UPS power supply protection state to direct connection with AC input bypass state CAUTION Power supply interruption danger of the load Before performing this procedure...

Страница 81: ...far away from the UPS to alert that the UPS maintenance is being operated 2 Wait 10 minutes for the internal DC bus capacitance discharging Then the UPS is completely shut down 6 4 6 Procedures for In...

Страница 82: ...isplay any more WARNING Hazardous battery voltage The battery terminals still have hazardous voltage after the UPS complete shutdown 6 4 8 Procedures for Complete UPS Shutdown while Maintaining Power...

Страница 83: ...S system parallel system Figure1 2 LBSsystem UPSmodule LBS Rectifier Bypass Q1 Q2 Q3 UPS 1 UPS 4 Q5 Q1 Q2 Q3 Q5 cable To load STS Rectifier Parallel Rectifier Bypass Q1 Q2 Q3 UPS 1 UPS 4 Q5 Q1 Q2 Q3 Q...

Страница 84: ...d LBS optional cables 5m 10m and 15m between the LBS port of the two UPS systems shown in Figure 6 6 to Figure 6 7 Figure 6 6 Connection of typical LBS system UPS module PARALLEL1 PARALLEL2 UPS1 UPS2...

Страница 85: ...battery monitor port 7 1 Installing Intelligent Card 7 1 1 Intelligent Card Port The UPS provides two Intellislot ports see Figure 7 1 to install the intelligent cards on site Open the front door of t...

Страница 86: ...produced by Vertiv have network communication capability For more information of the SIC card refer to Site Interface Web SNMP Agent Card User Manual Figure 7 2 SIC card IS UNITY DP card See Figure 7...

Страница 87: ...Y LIFE card For further description of the IS UNITY LIFE card refer to Liebert IntelliSlotTM Unity Card User Manual Web SNMP Modbus BACnet YDN23 IS RELAY card The appearance of the IS Relay card is sh...

Страница 88: ...circuits with hands or other live objects Please hold the side edges of the UF RS485 card when moving or installing it 1 Insert the UF RS485 card into the UPS a Remove the Intellislot port cover on t...

Страница 89: ...aud rate just change the serial port 2 baudrate on the operator and display panel 3 When installing the SIC card at Intellislot2 if you wish to change baud rate just change the serial port 2 baudrate...

Страница 90: ...xternal MBB Module Output Breaker Battery Ground Fault Charger Shutdown ECO Inhibited Inverter Mode Preferred Start Battery Maintenance Self check Stop Battery Maintenance Self check Alarm Cleared Pin...

Страница 91: ...for alarm state Note We recommend adopting the switch with normally closed auxiliary contact when load shed signal is selected Configurable input dry contact J14 1 3 3 On_Battery_B 5 Summary_ Alarm_A...

Страница 92: ...arm Cleared the rising edge triggering will be effective if configurable input dry contact is configured as other functions the level triggering will be effective NOTE Activating the UPS EPO will clos...

Страница 93: ...necessary to change the REPO switch state and switch the UPS on manually 3 REPO switch is only valid for the specified unit in parallel system NOTE 1 We recommend using 0 82 mm2 0 33 mm2 signal cable...

Страница 94: ...86 Vertiv Liebert EXS 80kVA UPS User Manual 7 This page is intentionally left blank...

Страница 95: ...free battery The battery life depends on the ambient temperature charge and discharge times High ambient temperature and deep discharge shortens the battery life To ensure the battery life it is requ...

Страница 96: ...um cleaner Confirm that the ventilation holes are unobstructed 8 4 Checking UPS State We recommend checking the operational state of the UPS regularly Check the following items 1 Check for any UPS fau...

Страница 97: ...UF LBS01 150 0235A04Y LBS extension cable 150m SIC card UF SNMP810 02351817 Option for intelligent card IS RELAY card IS RELAY 02351105 Option for intelligent card IS UNITY DP card IS UNITY DP 0302072...

Страница 98: ...arallel system four communication cables are required in 3 1 parallel system EXS 0040kTH16FN01SL11 For N 1 parallel system N 1 communication cables 10m are required EXS 0040kTH16FN01SL12 For N 1 paral...

Страница 99: ...LIFE card refer to Liebert IntelliSlotTM Unity Card User Manual Web SNMP Modbus BACnet YDN23 IS RELAY card UF DRY410 For more information of the IS Relay card refer to the Liebert IntelliSlot IS Relay...

Страница 100: ...s the battery against overdischarge and overcurrent and also isolates the UPS and battery thus reducing the risk at lowest for service personnel during the maintenance The box inside has connection ba...

Страница 101: ...ll mounted installation hole 8 Protective door 9 Cabling hole for confirming the cable size and opening hole 10 Battery switch 9 5 2 Connection of BCB Box Refer to Figure 9 2 for the connection among...

Страница 102: ...liably CAUTION If the corresponding functions are not required just do not connect corresponding ternimals 9 6 Battery Cabinet The BCB cabinet contains batteries BCB and a BCB control board Vertiv pro...

Страница 103: ...95 Vertiv Liebert EXS 80kVA UPS User Manual 9 Options Figure 9 3 Diagram of battery cabinet Battery cabinet Battery position Battery position Rear view Front view...

Страница 104: ...ts working principle Output transformer Battery BCB Maintenance bypass switch Q3 Automatic bypass switch UPS Bypass input Shorting copper bar of common input configuration Mains input Neutral line inp...

Страница 105: ...er factory delivery Please refer to the quick installation instruction manual for the detailed assembly steps NOTE Since the UPS uses rear cabling mode it is still necessary to reserve a space of 200m...

Страница 106: ...OTE UPS power capacity will be de rated by 10 by selecting IP 31 protection For more details please refer to Liebert EXS 80kVA UPS IP31 Quick Installation Guide in accessory 9 10 C2 Electromagnetic Sh...

Страница 107: ...evel 3 PFMF IEC EN62040 2 Level 4 Surge protection Meets IEC EN62040 2 live line to earth withstand level 4 4kV withstand level 3 between live lines 2kV Safety IEC EN62040 1 SPD test Meets ANSI C62 41...

Страница 108: ...ront door open or closed 10 4 Electrical Characteristics Input Rectifier Table 10 4 Rectifier AC input mains Item Unit Rated power kVA 80kVA Rated AC input voltage Vac 380 400 415 Line voltage Input v...

Страница 109: ...nchronization range Hz Rated frequency 3 Hz Configurable range 0 5 1 2 3 10 Frequency track rate Hz s Configurable range 0 1 to 3 Hz s single module 0 6 Hz s several modules Double conversion efficien...

Страница 110: ...102 Vertiv Liebert EXS 80kVA UPS User Manual 10 This page is intentionally left blank...

Страница 111: ...sh Date format YY MM DD MM DD YY DD MM YY MM DD YY Date MM DD YY 01 01 2018 Time HH MM SS 00 00 00 Audible alarm Disable Enable Disable Serial port 1 baudrate 1200bps 2400bps 4800bps 9600bps 19200bps...

Страница 112: ...exit Self aging mode 2 Not support self aging mode when inner output transformer seeting active Can cancel inner output transformer setting to do self aging operation Normal Bypass Inhibit for Generat...

Страница 113: ...put Voltage Adjustment 208V 114 126V 220V 120 133V 380V 209 231V 400V 218 242V 415V 228 252V Note related to system voltage level 5 5 of nominal output voltage 120V 127V 220V 230V 240V Note related to...

Страница 114: ...W Note 1 The unit of battery capability is AH for VRLA wet Ni Cd and Li ion battery while Watt for high discharge rate VRLA 2 The product of Nominal Battery Ah W Per Block and Battery String Count is...

Страница 115: ...ral Purpose Dry Contact J13 13 I N A onGen Inhibit trans to inverter Ext_MIB Ext MBB status MOB Battery GND Fault Charger Off Suspend ECO mode Start Battery Maint Test Stop Battery Maint Test Alarm Re...

Страница 116: ...Item Setting range Default setting Control Turn on off to bypass Mute Unmute audible alarm Battery maintenance test Stop battery test Clear faults Maintain Battery capacity test Start equalize charge...

Страница 117: ...y power off I O Input output LBS Load bus synchronizer LCD Liquid crystal display LED Light emitting diode MCB Miniature circuit breaker NMS Network management system PE Protective earth RCCB Residual...

Страница 118: ...able N A N A N A N A N A N A This table is made following the regulation of SJ T 11364 Means the content of the hazardous substances in all the average quality materials of the parts is within the lim...

Страница 119: ...111 Vertiv Liebert EXS 80kVA UPS User Manual...

Страница 120: ...red trademarks of their respective owners While every precaution has been taken to ensure accuracy and completeness here Vertiv Group Corp assumes no responsibility and disclaims all liability for dam...

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