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UPS2000-G- (6 kVA-20 kVA)

User Manual

Issue

Date

2021-07-16

HUAWEI TECHNOLOGIES CO., LTD.

Содержание UPS2000-G Series

Страница 1: ...UPS2000 G 6 kVA 20 kVA User Manual Issue 18 Date 2021 07 16 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ... described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every effort has been made in the ...

Страница 3: ...s Commissioning engineers Data configuration engineers Maintenance Engineer Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury Ind...

Страница 4: ...latest document issue contains all the changes made in earlier issues Issue 18 2021 07 16 Added the content about dual live wire Added the UPS2000 G 15KRTL 01 and UPS2000 G 20KRTL 01 models Issue 17 2020 03 20 Optimized the SNMP Card section Issue 16 2019 12 20 Updated the safety information Issue 15 2019 11 22 Added the USB port description for the new product structure Issue 14 2019 07 25 Added ...

Страница 5: ...2014 10 09 Added the shutdown delay feature Issue 05 2014 07 31 Updated optional components Issue 04 2013 11 06 Added the description in Checking Before Powering On the UPS Issue 03 2013 08 24 Added the description of the UPS2000 G 15 kVA 20 kVA three phase input single phase output and single phase input single phase output Issue 02 2013 06 10 Upgraded the software version Issue 01 2013 05 15 Thi...

Страница 6: ...Appearance 14 2 4 Optional Components 18 3 Installation 25 3 1 Preparations 25 3 1 1 Site 25 3 1 2 Tools 28 3 1 3 Power Cables 30 3 1 4 Unpacking and Checking 34 3 2 Installation Procedure 35 3 3 Installing a Backfeed Protection Device 35 3 3 1 Backfeed Protection Device Specifications 35 3 3 2 Feedback Prevention Connections With Dry Contract Control 37 3 4 Verifying the Installation 39 4 Control...

Страница 7: ... System Operations 93 5 3 1 Installing Cables 93 5 3 2 Starting the Parallel System 95 5 3 3 Shutting Down the Parallel System 98 5 3 4 Performing EPO 99 6 Communications 101 6 1 Optional Communications Components 101 6 2 SNMP Card 101 6 3 Modbus Card 102 6 4 Dry Contact Card 102 7 Routine Maintenance 103 7 1 UPS Maintenance 103 7 2 Battery Maintenance 105 8 Troubleshooting 110 9 Technical Specifi...

Страница 8: ...aning or Replacing the Air Filter 6 kVA and 10 kVA 173 F Alarm Handing of Battery Maintenance Notification 175 G Battery Shallow Discharge Test 177 H Battery Capacity Test 180 I Transferring the UPS That Has Generated an Alarm to Normal Mode and Clearing the Alarm Tone 183 J Acronyms and Abbreviations 184 UPS2000 G 6 kVA 20 kVA User Manual Contents Issue 18 2021 07 16 Copyright Huawei Technologies...

Страница 9: ...nder the warranty Follow local laws and regulations when installing operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in r...

Страница 10: ...edures for installation operation and maintenance Before handling a conductor surface or terminal measure the contact point voltage and ensure that there is no risk of electric shock After installing the equipment remove idle packing materials such as cartons foam plastics and cable ties from the equipment area In the case of a fire immediately leave the building or the equipment area and turn on ...

Страница 11: ...f equipment without permission Do not touch a running fan with your fingers components screws tools or boards before the fan is powered off or stops running Personal Safety If there is a probability of personal injury or equipment damage during operations on the equipment immediately stop the operations report the case to the supervisor and take feasible protective measures To avoid electric shock...

Страница 12: ...nnel are allowed to replace the equipment or components including software 1 3 Electrical Safety Grounding For the equipment that needs to be grounded install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment Do not damage the ground conductor Do not operate the equipment in the absence of a properly installed ground conductor Ensure ...

Страница 13: ...ng To ensure safety comply with the following requirements Cables can be laid or installed only when the temperature is higher than 0 C Handle cables with caution especially at a low temperature Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out Do not perform any improper operations for example dropping cables directly from a ve...

Страница 14: ... power supply units fans and boards that are installed in the equipment because they cannot support the weight of the equipment Avoid scratching the cabinet surface or damaging cabinet components and cables during equipment transportation When transporting the equipment using a forklift truck ensure that the forks are properly positioned so that the equipment does not topple Before moving the equi...

Страница 15: ...atteries store them in a dry and clean environment If batteries are stored for more than 90 days charge them in time Otherwise the battery lifespan may be affected Install the UPS in an area far away from liquids Do not install it under areas prone to water leakage such as air conditioner vents ventilation vents or feeder windows of the equipment room Ensure that no liquid enters the UPS to preven...

Страница 16: ...microorganisms such as fungus or mildew Environments where rodents such as mice and insects exist 1 7 Battery Safety Basic Requirements Before operating batteries carefully read the safety precautions for battery handling and master the correct battery connection methods DANGER Do not expose batteries at high temperatures or around heat generating sources such as sunlight fire sources transformers...

Страница 17: ...batteries in a well ventilated dry and cool environment that is far away from heat sources flammable materials moisture extensive infrared radiation organic solvents and corrosive gases Take fire prevention measures Place and secure batteries horizontally Note the polarities when installing batteries Do not short circuit the positive and negative poles of the same battery or battery string Otherwi...

Страница 18: ...he electrolyte immediately When moving or handling a battery whose electrolyte leaks note that the leaking electrolyte may cause damage When the battery temperature exceeds 60 C check whether the electrolyte overflows If the electrolyte overflows handle the leakage immediately Electrolyte overflow may damage the equipment It will corrode metal parts and boards and ultimately damage the boards If t...

Страница 19: ...RTS 10 kVA UPS2000 G 10KRTL UPS2000 G 15KRTL 15 kVA UPS2000 G 20KRTL 20 kVA UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 Figure 2 1 Model number Table 2 1 Model number details No Item Description 1 Product category UPS 2 Product family 2000 Power 20 kVA UPS2000 G 6 kVA 20 kVA User Manual 2 Quick Introduction Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 11 ...

Страница 20: ... battery pack 7 Model identifier 01 2 2 Working Principle 2 2 1 Conceptual Diagram Figure 2 2 shows the UPS conceptual diagram Figure 2 2 Conceptual diagram 2 2 2 Working Modes The UPS has the following working modes Normal mode When the mains is normal the rectifier boosts the mains input voltage and converts the AC power into stable DC power for the inverter and the mains charges batteries over ...

Страница 21: ...tage and frequency are in the specified range the UPS supplies power to loads over the bypass If the bypass voltage and frequency are outside the range the UPS transfers to normal or battery mode ECO is short for economy control operation NOTE The 15 kVA 20 kVA UPS supports battery ECO mode in the case of two power sources In battery ECO mode the bypass supplies power to the UPS and batteries are ...

Страница 22: ... live wire L2 If the AC input of the UPS2000 G 15 kVA 20 kVA uses two live wires connect bypass and mains input bL1 bL2 bL3 mL1 mL2 and mL3 that are short circuited with a short circuit busbar to live wire L1 and connect the input N and N with a short circuit busbar to live wire L2 In addition if the AC input and AC output use two live wires the input and output ends must connect to two pole circu...

Страница 23: ...ensor port 9 USB port security protection mechanism supported 10 Emergency power off EPO port 11 Maintenance bypass port MBS 12 Fuse base 13 Input circuit breaker 14 Battery port NOTE The total load current supported by the two output sockets C13 cannot exceed 10 A The fuse used on the UPS2000 G 6 kVA meets the 250V 10A IEC specifications UPS2000 G 6 kVA 20 kVA User Manual 2 Quick Introduction Iss...

Страница 24: ... communications ports MON1 and MON2 6 Optional card slot 7 Battery temperature sensor port 8 USB porta security protection mechanism supported 9 EPO port 10 Maintenance bypass port MBS 11 Input circuit breaker 12 Battery port UPS2000 G 6 kVA 20 kVA User Manual 2 Quick Introduction Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 16 ...

Страница 25: ...Figure 2 5 Front and rear views of the UPS2000 G 15 kVA 20 kVA UPS2000 G 6 kVA 20 kVA User Manual 2 Quick Introduction Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 17 ...

Страница 26: ...ted 9 Battery temperature sensor port 10 Optional card slot 11 AC output ports pL and sL NOTE It is recommended that the length of the cable connected to the MBS port be less than or equal to 10 m 2 4 Optional Components NOTICE For UPS2000 G 10 kVA 15 kVA 20 kVA if the AC input and AC output use two live wires PDC 0038V4ACIOA PDC 0091V2ACIOA and PDC 0038V4ACIOA V2 cannot be used UPS2000 G 6 kVA 20...

Страница 27: ...gement Protocol SNMP card SNMP card RMS SNMP01A Monitors the UPS and the ambient temperatures and humidity if required and allows for Ethernet networking 6 kVA output isolation transformer box DGL 6 0 22 Provides isolation solutions for customer equipment Compared with the output transformer on an industrial frequency UPS the output transformer box provides isolation functions even in bypass mode ...

Страница 28: ...ks are connected in parallel Modbus card RMS MODBUS01A Provides two cascaded RJ45 ports to implement networking over the Modbus or YDN 23 protocol Dry contact card RMS RELAY01A Provides six dry contact outputs normal mode battery mode bypass mode low battery voltage bypass backfeed and UPS faults as well as two dry contact control inputs one is the shutdown signal input and the other is reserved P...

Страница 29: ... live wire input and dual live wire output to provide the maintenance bypass and load expansion functions Magnetic loop DN85H H38x22x15 DMEGC E2F 38x22x15 FENGYI Optimizes the performance of the TN C power distribution system in the parallel system scenario In a UPS2000 G 15 kVA 20 kVA parallel system using the TN C power distribution system install four magnetic rings on the PE cables on each UPS...

Страница 30: ...ports ensure that the following operations are performed The BATT TEMP port is connected to a battery temperature sensor The cable connected to the BATT TEMP port is wrapped with magnetic ring 1 at least five circles The MBS and EPO ports are connected to circuit breakers The cables connected to the MBS and EPO ports are wrapped with magnetic ring 2 at least five circles Model of magnetic rings 1 ...

Страница 31: ...tic rings numbered 1 on branch PE cables Figure 2 9 Installing a magnetic ring numbered 1 on the general PE cable UPS2000 G 6 kVA 20 kVA User Manual 2 Quick Introduction Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 23 ...

Страница 32: ...ngs 1 2 and 3 is DN85Hx4 or E2Fx4 Table 2 3 Specifications of magnetic rings from three vendors Vendor Magnetic Ring DMEGC R10K TDK HS10 TDG TS10 NOTE The magnetic conductivity of manganese and zinc magnetic rings is greater than 10 000 and the recommended internal diameter of magnetic rings is greater than 10 mm easy for wire coiling The number of coiling circles is 5 or greater UPS2000 G 6 kVA 2...

Страница 33: ...deviation must be less than 10 The four cables must be connected at the remote end It is recommended that the length of battery cables and output cables be less than or equal to 10 m You can install linked circuit breakers for both the N wire and L wire No independent circuit breaker is allowed for only the N wire If the AC input and output of the 10 kVA 15 kVA 20 kVA UPS use dual live wires the P...

Страница 34: ...nts with conductive metal scraps in the air The ideal operating temperature for batteries is 20 30ºC Temperatures higher than 30ºC shorten the battery lifespan and temperatures lower than 20ºC reduces the backup time UPS2000 G 6 kVA 10 kVA Dimensions Figure 3 1 UPS2000 G 6 kVA 10 kVA installation dimensions UPS2000 G 15 kVA 20 kVA Dimensions Figure 3 2 UPS2000 G 15 kVA 20 kVA installation dimensio...

Страница 35: ...e between UPS air vents and the wall or obstacle is greater than or equal to 500 mm Reserve a clearance of at least 500 mm respectively from the front and rear panels of the UPS to the wall or adjacent equipment to facilitate ventilation and heat dissipation as shown in Figure 3 5 UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 27 ...

Страница 36: ...sts the installation tools Table 3 1 Tools Tools Clamp meter Multimeter Label Phillips screwdriver PH 2 x 150 mm or PH 3 x 250 mm Flat head screwdriver 2 mm x 80 mm Torque screwdriver Crimping tool Diagonal pliers UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 28 ...

Страница 37: ... tape Cotton cloth Brush Heat shrink tubing Heat gun Electrician s knife Protective gloves ESD gloves Insulated gloves Hydraulic pliers Cable tie UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 29 ...

Страница 38: ...No independent circuit breaker is allowed for only the N wire For the 15 kVA 20 kVA model use AC ground cables that have a cross sectional area of 25 mm2 and M6 OT terminals that are 90 bent and have a cross sectional area of 25 mm2 For the 15 kVA 20 kVA model use battery ground cables that have a cross sectional area of 16 mm2 and M6 OT terminals that are 90 bent and have a cross sectional area o...

Страница 39: ...M6 OT terminal 2 8 N m Dual live wire output 2 63 A feature D Battery 240 V DC 63 A 10 mm2 10 kVA single phase input single phase output Input 1 220 V AC 230 V AC 240 V AC 63 A feature D 10 mm2 10 mm2 M6 OT terminal 2 8 N m Output 1 63 A feature D Battery 240 V DC 63 A 10 mm2 10 kVA three phase input single phase output Input 3 380 V AC 400 V AC 415 V AC 63 A feature D 10 mm2 10 mm2 M6 OT terminal...

Страница 40: ...m Output 1 220 V AC 230 V AC 240 V AC 100 A feature D 25 mm2 25 mm2 M6 OT terminal 4 8 N m 15 kVA three phase input single phase output Bypass input 1 220 V AC 230 V AC 240 V AC 100 A feature D 25 mm2 25 mm2 M6 OT terminal 4 8 N m Mains input 3 380 V AC 400 V AC 415 V AC 50 A feature D 10 mm2 10 mm2 M6 OT terminal 2 8 N m Battery 240 V DC 63 A 16 mm2 16 mm2 M6 90 OT terminal 4 8 N m Output 1 220 V...

Страница 41: ...ual live wire Output 2 208 V AC 220 V AC 125 A feature D 25 mm2 25 mm2 M6 OT terminal 4 8 N m 20 kVA single phase input single phase output Input 1 220 V AC 230 V AC 240 V AC 125 A feature D 25 mm2 25 mm2 M6 OT terminal 4 8 N m Battery 240 V DC 63 A 16 mm2 16 mm2 M6 90 OT terminal 4 8 N m Output 1 220 V AC 230 V AC 240 V AC 125 A feature D 25 mm2 25 mm2 M6 OT terminal 4 8 N m 20 kVA three phase in...

Страница 42: ...2 16 mm2 M6 90 OT terminal 4 8 N m Output 3 380 V AC 400 V AC 415 V AC 63 A feature D 10 mm2 10 mm2 M6 OT terminal 2 8 N m NOTE If customers purchase input and output power cables by themselves use the cables that comply with standards proposed by Underwriters Laboratories UL or International Electrotechnical Commission IEC Two mains input scenarios are not supported on the UPS2000 G 15 kVA 20 kVA...

Страница 43: ...ust vent and ensure that it complies with the order b If there is any discrepancy contact your local Huawei office immediately 3 2 Installation Procedure UPS installation includes mechanical installation and cable connection Installation modes include tower installation and rack installation You can select an installation mode based on the site requirements For details about how to install the UPS...

Страница 44: ...ual live wire output 220 V AC 230 V AC 240 V AC 40 A LC1 D40A 208 V AC 220 V AC 40 A AF50 30 11 70 UPS2000 G 10KRTL dual live wire input dual live wire output 220 V AC 230 V AC 240 V AC 65 A LC1 D50A for single phase input LC1 DT60A for three phase input 208 V AC 220 V AC 65 A AF50 30 11 70 UPS2000 G 15KRTL three phase input 220 V AC 230 V AC 240 V AC 32 A LC1 DT60A for three phase input N A N A U...

Страница 45: ...ss than 1 A MY2N J DC12V OMRON control relay HJ2 L DC12V Panasonic control relay 3 3 2 Feedback Prevention Connections With Dry Contract Control Figure 3 7 Bypass backfeed protection connections for the UPS2000 G 6 kVA 10 kVA 15 kVA 20 kVA single phase input single phase output UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 37 ...

Страница 46: ... kVA three phase input single phase output Figure 3 9 Bypass backfeed protection connections for the UPS2000 G 15 kVA 20 kVA three phase input three phase output UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 38 ...

Страница 47: ...single phase output Figure 3 11 Bypass backfeed protection connections for the UPS2000 G 6 kVA 10 kVA 15 kVA 20 kVA two live wires 3 4 Verifying the Installation Table 3 5 lists the check items UPS2000 G 6 kVA 20 kVA User Manual 3 Installation Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 39 ...

Страница 48: ...m ground bar Measure the resistance between the UPS ground cable and the equipment room ground bar which must be less than 0 1 ohm 6 Distances between cable ties Distances between cable ties are the same and no burr exists 7 Operating environment Clean the conductive air and other sundries 8 Cables short circuit Check that cables are open circuited using a multimeter or an insulation resistance te...

Страница 49: ...anel of the chassis The control panel allows you to control and operate the UPS view the running status set parameters and view alarms Figure 4 1 shows the control panel UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 41 ...

Страница 50: ...ndicators Table 4 1 describes the indicators on the control panel Table 4 1 Indicator description Indicator Color Status Meaning Mains indicator Green On The UPS is in normal mode Off The UPS is not in normal mode Battery indicator Yellow On The UPS is in battery mode Off The UPS is not in battery mode UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 16 Copyright Huawei Technolo...

Страница 51: ...buttons to start and shut down the UPS and set parameters Table 4 2 describes the buttons Table 4 2 Button description Butt on Meaning Description ESC Shutdown Back On the default screen press ESC for more than 5 seconds Release the button when you hear a beep sound The inverter shuts down On any other screen press ESC to return to the upper level menu The upper level screen for the main menu list...

Страница 52: ...alarm is generated press i to view the active alarm information The buzzer is muted When no alarm is generated press i to return to the default screen NOTE Battery self check After the UPS starts in normal mode it transfers to battery mode for 10 seconds to check that the battery status if no battery is connected No battery is displayed and that the UPS can transfer to battery mode The purpose is ...

Страница 53: ...software version is V100R001C34SPC600 The screenshots may be updated without notice Contact Huawei technical support to obtain the latest screenshots if necessary The menus of the UPS2000 G 15KRTL UPS2000 G 20KRTL UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 are used as an example The information in the menu screenshots is for reference only For details about the parameters see the actual LCD display o...

Страница 54: ...The solid line indicates battery in charge or discharge mode The dotted line indicates non battery mode NOTE UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 If multiple working modes coexist the priority is as follows converter mode CM ECO mode self load mode SM normal mode NM a indicates that only the UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 is supported Table 4 4 describes the icons on the menu screen Ta...

Страница 55: ...ng Battery discharging 4 6 LCD Menu Hierarchy Figure 4 4 Main Menu screen Figure 4 5 shows the LCD menu hierarchy UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 47 ...

Страница 56: ... hierarchy 4 6 1 Status Screen On the Main Menu screen select Status and press The Status screen is displayed UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 48 ...

Страница 57: ...ages displayed on the Mains Input screen The parameters are not displayed in the case of single phase input Bypass Input Screen Figure 4 7 Bypass Input screen Table 4 6 Bypass Input Item Description Van Vbn Vcn Phase voltages displayed on the Bypass Input screen The parameter is Voltage in the case of single phase input Frequency Frequency displayed on the Bypass Input screen UPS2000 G 6 kVA 20 kV...

Страница 58: ... discharge Status The battery status is N A battery not connected or reversely connected Equalized charging Float charging Hibernating or Discharging Capacity Remaining battery capacity Backup time Estimated battery discharge time when batteries are being charged or discharged Battery Temperature If the NTC is not connected N A is displayed If the NTC is connected the battery temperature is displa...

Страница 59: ...t screen UPS Output Screen Figure 4 11 UPS Output screen Figure 4 12 UPS Output screen two live wires Table 4 9 UPS Output Item Description Van Vbn Vcn Phase voltages displayed on the UPS Output screen The parameter is Voltage in the case of single phase input la lb lc Phase currents displayed on the UPS Output screen The parameter is Current in the case of single phase input Frequency Frequency o...

Страница 60: ...en The parameter is Sout in the case of single phase input Pout_A Pout_ B Pout_C Phase A B and C active power displayed on the Local UPS Load screen The parameter is Pout in the case of single phase input Load ratio_A Load ratio_B Load ratio_C Phase A B and C load ratio displayed on the Local UPS Load screen the parameter is Load ratio in the case of single phase input UPS2000 G 6 kVA 20 kVA User ...

Страница 61: ...Sout in the case of single phase input the parameters are not displayed in single UPS mode Sys Pout_A Sys Pout_ B Sys Pout_C System phase A B and C active power displayed on the Parallel System Load screen The parameter is Sys Pout in the case of single phase input the parameters are not displayed in single UPS mode Sys Load ratio_A Sys Load ratio_B Sys Load ratio_C System phase A B and C load rat...

Страница 62: ... by the ambient temperature and humidity sensor used together with an SNMP card if the sensor is not connected N A is displayed Internal temp Temperature of the air near the air intake vent of the UPS Runtime Screen Figure 4 17 Runtime screen Table 4 13 Runtime Item Description Inv runtime Total time during which the UPS runs in inverter mode BPS runtime Total time during which the UPS runs in byp...

Страница 63: ...me as shown in Figure 4 18 Figure 4 18 Active Alarms screen NOTE If an alarm is generated press the INFO button on the default screen On the Active Alarms screen view the active alarms Historical Alarms Screen The Historical Alarms screen displays the historical alarm information such as the alarm serial number severity ID and name as shown in Figure 4 19 Figure 4 19 Historical Alarms screen Sort ...

Страница 64: ... that you can clear manually as shown in Figure 4 21 Figure 4 21 Clear Alarms screen 4 6 3 Settings Screen NOTE To ensure system security change the LCD and WebUI passwords after the first login The UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 prompts users to change the initial password If an incorrect password is entered five consecutive times the account will be logged out for 5 minutes Figure 4 22 ...

Страница 65: ...ge English Chinese English Turkish French Russian Change Password To change the preset password choose Settings Basic Settings Change Password The password allows you to enter the Settings screen 000001 Change Feature Code You can change the feature code by choosing Settings Basic Settings Change Feature Code The feature code is used to restore the preset password 999999 4 6 3 2 Communication Card...

Страница 66: ...dress but cannot set the IP address manually NOTE If the optional card does not support the DHCP function the allocating mode cannot be set to Automatic on the UPS monitoring module You are advised to upgrade the SNMP card Manual Manual Automatic IP address Set an IP address for the SNMP card 192 168 0 10 1 0 0 0 223 255 255 2 55 Subn mask Set a subnet mask for the SNMP card 255 255 255 0 Gateway ...

Страница 67: ...ard settings NOTE Multiple statuses can be associated with one dry contact but one status cannot be associated with multiple dry contacts Table 4 17 Dry contact card settings Item Description Default Value Value Range Norma l mode Set the output dry contact associated with normal mode When the UPS is in normal or ECO mode this dry contact is enabled Dry contact 1 Dry contacts 1 6 Battery mode Set ...

Страница 68: ...ntact 5 Dry contacts 1 6 Faulty UPS Set the output dry contact associated with UPS faults When a critical alarm is generated this dry contact is enabled Dry contact 6 Dry contacts 1 6 4 6 3 3 System Parameters Screen Parallel screen Figure 4 28 Parallel screen Table 4 18 Parallel settings Item Description Default Value Value Range Single Parallel Specifies whether the UPS works in single mode or p...

Страница 69: ...0 kVA models The default value is Single phase 15 kVA 20 kVA Three phase Single phase Three phase Voltage level Indicates the system output voltage level After you change the voltage level the upper threshold for bypass voltage is restored to the default value 15 or 20 This parameter is configurable only after the inverter is shut down 6 kVA 10 kVA 220 V 15 kVA 20 kVA single phase output 220 V 15 ...

Страница 70: ...oef You can adjust the inverter rated output voltage Press cf id Bold cf or cf id Bold cf to increase or decrease the output voltage 0 5 4 3 2 1 0 Converter mode Specifies whether to enable converter mode In converter mode the output voltage and frequency are fixed to the preset values This parameter is configurable only after the inverter is shut down NOTICE In converter mode the bypass output an...

Страница 71: ...20 25 30 220 V 380 V in the case of three phase output 10 15 20 25 230 V 400 V in the case of three phase output 10 15 20 240 V 415 V in the case of three phase output 10 15 Min voltage Lower threshold for the bypass voltage When the difference between the bypass voltage and the rated output voltage is greater than this value the system determines that the bypass voltage is abnormal and that the b...

Страница 72: ...sociated with the ECO frequency range and must be greater than the current ECO frequency range This parameter is configurable only after the inverter is shut down 2 Hz 0 5 Hz 1 Hz 2 Hz 3 Hz 4 Hz 5 Hz 6 Hz ECO screen Figure 4 31 ECO screen NOTE You can use the ECO function only if power grid conditions are good and the voltage and frequency fluctuation is within the specified ECO voltage and freque...

Страница 73: ...ameter is configurable only after the inverter is shut down 10 5 6 7 8 9 10 Frequenc y range ECO frequency range In ECO mode when the difference between the bypass frequency and the rated frequency is beyond this range the system determines that the ECO frequency is abnormal and transfers to normal mode The Frequency range parameter is associated with the bypass frequency range and must be less th...

Страница 74: ...o power sources In battery ECO mode the bypass supplies power to the UPS and batteries are used as backup power If the bypass is abnormal the UPS transfers to battery mode 30Min 0 999 min Dis volt thres Lower threshold of the battery voltage when pL is allowed to carry loads in battery mode when the power segment function is enabled In battery mode if the battery voltage is less than this value th...

Страница 75: ...er is used only during the tests before shipment This parameter is configurable only after the inverter is shut down Disabl ed Disabled Enabled Others screen Figure 4 34 Others screen NOTE The EPO enable setting is available only for the UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 EPO is enabled for the UPS2000 G 6KRTS UPS2000 G 10KRTS UPS2000 G 15KRTL UPS2000 G 20KRTL by default UPS2000 G 6 kVA 20 kV...

Страница 76: ...utput transformer is connected set the parameter to Enabled otherwise set it to Disabled This parameter is configurable only after the inverter is shut down NOTE When connecting an isolation transformer to the system output connect the UPS output load to the pL terminal and disable the power segment function Dis able d Disable d Enabled Generator mode If the mains input voltage quality is good Wea...

Страница 77: ...e connected This parameter is configurable only when batteries are not connected NOTE If batteries are connected and you try to set this parameter the system displays a message indicating that batteries are connected and this parameter cannot be set Ena bled Disable d Enabled EPO enable Specifies whether to enable EPO EPO is performed only when this parameter is set to Enable and the EPO switch is...

Страница 78: ...rounded value If the calculated maximum current is 0 1 x 65 x 1 2 3 25 set the charge current to 3 0 A rounded value When a single 6 kVA 10 kVA UPS contains one battery pack the maximum charge current must be less than or equal to 2 0 A If a single 15 kVA 20 kVA UPS connects to two battery packs the maximum charge current must be less than or equal to 2 0 A Basic screen Figure 4 35 Basic screen UP...

Страница 79: ... low battery temperatures The parameter is configurable in any mode 5 C 30 C to 5 C Charge curr limit Set a charge current limit The parameter is configurable in any mode 2 0 A 1 0 4 0 A Overcurre nt thres Set an alarm threshold for battery overcurrent The parameter is configurable in any mode 6 0 A 4 0 8 0 A Battery string sharing Battery string sharing is supported in a parallel system Disable D...

Страница 80: ...attery string Set the battery capacity based on the actual value The parameter is configurable in non battery mode or non battery ECO mode 6 kVA standard model 7 Ah 6 kVA long backup time model 40 Ah 10 kVA standard model 9 Ah 10 kVA long backup time model 65 Ah 15 kVA 20 kVA long backup time model 65 Ah 7 1000 Ah Intelli Hibernati on When it is set to enabled the intelligent battery hibernation f...

Страница 81: ...escription Default Value Value Range Equalized charging Determine whether to enable equalized charging The parameter is configurable in any mode Enabled Disabled Enabled Time interval Set the time interval for equalized charging The parameter is configurable in any mode 60 days 30 180 days Voltage Set the battery equalized voltage The parameter is configurable in any mode 2 35 V cell 2 33 2 40 V c...

Страница 82: ...onfigurable in any mode 2 35 V cell 2 33 2 40 V cell Max current Set the maximum equalized current The parameter is configurable in any mode 2 0 A Standard model 1 0 2 0 A Long backup time model 1 0 4 0 A Max time Set the maximum equalized charge time The parameter is configurable in any mode 960 min 600 999 min Float Charge screen Figure 4 39 Float Charge screen Table 4 29 Float Charge screen Ite...

Страница 83: ...discharge time When the discharge time reaches the value the UPS powers off If you set the value to 0Hour the discharge time is not limited The parameter is configurable in non battery mode or non battery ECO mode NOTE If you expect the battery discharge time to be greater than 24 hours set Max time to 0 hour Otherwise the system may power off If you set Max time to 0 hour the battery string may r...

Страница 84: ...ect first Protects batteries and extends the battery lifespan Back up time first Backup time first Batt protect first Balanced mode EOD auto start Determine whether to automatically start inverter output after the mains becomes normal after EOD The parameter is configurable after the inverter shuts down Ena bled Disabled Enabled UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 1...

Страница 85: ...e same power source the system powers off when the shutdown delay in battery mode reaches the preset value If the mains input and bypass input use different power sources the system transfers to bypass mode when the shutdown delay in battery mode reaches the preset value The Bat mode shut delay parameter is not synchronized in a parallel system In a parallel system set this parameter to the same v...

Страница 86: ...l current discharge state according to the proportion of the battery capacity to the load power which affects the battery lifecycle 16 hour s 0 24 hours EOD mod e Determine the power backup time The parameter is configurable in non battery mode or non battery ECO mode Backup time first Ensures system running and has a long backup time Batt protect first Protects batteries and extends the battery l...

Страница 87: ...powers off when the shutdown delay in battery mode reaches the preset value If the mains input and bypass input use different power sources the system transfers to bypass mode when the shutdown delay in battery mode reaches the preset value The Bat mode shut delay parameter is not synchronized in a parallel system In a parallel system set this parameter to the same value for different UPSs 0s 0 60...

Страница 88: ...1 90 1 90 EOD threshold V cell 1 85 1 85 1 83 1 75 1 67 Table 4 34 Balanced mode EOD setting values Expected backup time 0 1CA 0 1 CA to 0 5 CA 0 5 CA to 1 CA 1 CA to 3 CA 3CA Low voltage warning threshold V cell 1 85 1 85 1 85 1 85 1 85 EOD threshold V cell 1 80 1 75 1 70 1 67 1 65 Shallow Discharge screen Figure 4 42 Shallow Discharge screen UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 UPS2000 G 6 kV...

Страница 89: ...o Set the proportion of the discharge capacity to the total discharge capacity The parameter is configurable in any mode 20 10 50 Figure 4 43 Shallow Discharge screen UPS2000 G 6KRTS UPS2000 G 10KRTS UPS2000 G 15KRTL UPS2000 G 20KRTL Table 4 36 Shallow Discharge screen UPS2000 G 6KRTS UPS2000 G 10KRTS UPS2000 G 15KRTL UPS2000 G 20KRTL Item Description Def aul t Val ue Value Range Test notificati o...

Страница 90: ...the inverter shuts down 4 6 4 Control Screen On the Main Menu screen select Control and press The Control screen is displayed Startup Menu The Startup menu allows you to restart the inverter Figure 4 44 Startup screen Shutdown Menu The Shutdown menu allows you to shut down the inverter Figure 4 45 Shutdown screen Replace Batteries Menu If the batteries have been replaced for the system set this pa...

Страница 91: ... the shallow discharge test or capacity test Manual EC for Pos menu Figure 4 49 Manual EC for Pos screen Perform equalized charging on batteries forcibly For the 6 kVA and 10 kVA UPSs perform manual equalized charging For the 15 kVA and 20 kVA UPSs batteries in positive and negative groups are manually switched to equalized charging respectively Manual FC for Pos menu UPS2000 G 6 kVA 20 kVA User M...

Страница 92: ...llows you to synchronize parameters of the local UPS to the other UPS in the parallel system The UPS running in inverter output state cannot be synchronized Figure 4 51 Sync Paral Param screen Resetting the Password Enter a feature code to restore the preset password Figure 4 52 Resetting the password Control Buzzer Control Buzzer control the buzzer on off If the buzzer on click Control Buzzer tra...

Страница 93: ...displayed as shown in Figure 4 55 You can view the UPS model equipment serial number ESN and version number Figure 4 55 About screen NOTE MU1MSW1 PU1RSW1 PU1RSW2 PU1ISW1 and PU1ISW2 is the version for the component When the component does not exist N A is displayed for Version PU1ISW1 and PU1ISW2 are not available for the UPS 6 kVA and UPS 10 kVA Table 4 37 About screen Item Description Model The ...

Страница 94: ...wer software version PU1RSW2 This item provides the rectifier logic software version PU1ISW1 This item provides the inverter power software version PU1ISW2 This item provides the inverter logic software version UPS2000 G 6 kVA 20 kVA User Manual 4 Control Panel Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 86 ...

Страница 95: ...t Cables are neatly routed and securely bound Devices are installed and cables are routed in ways that facilitate modification capacity expansion and maintenance Parallel cables are properly connected The UPS is properly grounded The voltage between the neutral wire and the ground cable is less than 5 V AC The input voltage rang for the mains to start the UPS is 120 280 V AC or 80 280 V AC after t...

Страница 96: ...00 G 15 kVA 20 kVA Quick Guide End 5 2 2 Starting the UPS CAUTION The configured number of batteries on the LCD must match the actual number When the actual number changes change the configured number If the configured number is less than the actual number the battery lifespan is shortened If the configured number is greater than the actual number battery leakage may cause a fire UPS2000 G 6 kVA 2...

Страница 97: ...uency Doing so may affect the power supply to equipment Exercise caution when setting battery parameters Incorrect settings will affect the power supply and battery lifespan Starting the UPS in Normal Mode Step 1 Ensure that all check items in the section Check Before Power On have been checked Step 2 Switch on the external battery circuit breaker if any or connect battery cables Step 3 Switch on ...

Страница 98: ...put settings if the system uses three phase input three phase output Output mode is set to Three phase if the system uses three phase input single phase output or single phase input single phase output Output mode is set to Single phase Voltage level and Frequency level are set based on the rated voltage and frequency Press ESC to return to the standby screen Figure 5 2 Non initial startup Step 5 ...

Страница 99: ...s with lower power End Starting the UPS in Battery Mode Step 1 Switch on the external battery circuit breaker if any or connect battery cables Step 2 Press on the control panel The LCD starts The initialization screen is displayed Initial startup On the Settings wizard screen set the language the preset language is English system parameters and battery parameters After you complete the settings pr...

Страница 100: ...ads with lower power End 5 2 3 Shutting Down the UPS Shutting Down the Inverter to Transfer the UPS to Bypass Mode Shut down the UPS using either of the following methods On the default screen hold down ESC for more than 5 seconds Release the button when you hear a beep sound The UPS shuts down the inverter and enters the bypass mode On the default screen press to enter the main menu and choose Co...

Страница 101: ...ter and does not transfer to bypass mode Figure 5 7 shows the EPO cable connection on a single UPS Figure 5 7 EPO cable connection on a single UPS NOTE For UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 choose Settings System Parameters Other Settings and set EPO Enable to Enable Connect an external switch to the EPO port on the UPS After you turn on the switch the inverter shuts down and the UPS will no...

Страница 102: ...o power sources without a PDU Step 2 Install parallel communications cables Figure 5 9 Parallel communications cables NOTE For details about how to install cables for the parallel system see the UPS2000 G 15 kVA 20 kVA Quick Guide End UPS2000 G 6 kVA 20 kVA User Manual 5 Operations Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 94 ...

Страница 103: ...system that uses the TN C power distribution system install four magnetic rings on the PE cable on each UPS bind the four magnetic rings together using binding tape and secure them in the nearest place Before starting a parallel system ensure that all circuit breakers on the output side are OFF and do not start loads To prevent triggering overload protection start the loads with higher power and t...

Страница 104: ...izard screen is displayed You can set the language the default language is English system parameters and battery parameters After you complete the settings press The standby screen is displayed Non initial startup When the initialization is complete the standby screen is displayed On the standby screen press to enter the main menu Choose Main Menu Settings System Parameters Output to view output s...

Страница 105: ...he two ends of output circuit breaker Q2 does not exceed 2 V NOTE If the voltage difference between the two ends of the output circuit breaker Q2 exceeds 2 V the input or output wire sequence is incorrect Step 8 Switch on the output circuit breaker Q2 Step 9 On the standby screen press to access the main menu Choose Main Menu Settings System Parameters Parallel Settings Single Parallel and change ...

Страница 106: ...erations on the other UPSs in 5 minutes UPS 1 to UPS n enter normal mode and the other UPSs supply no power Step 13 When the parallel system runs properly switch on the general output circuit breaker Q provided by the customer and start loads one by one End 5 3 3 Shutting Down the Parallel System Shutting Down a Single UPS in the Parallel System Step 1 Perform shutdown operations twice on a single...

Страница 107: ...eaker Km bypass AC input circuit breakers Kb1 and Kb2 general bypass input circuit breaker Kb AC output circuit breakers Q1 and Q2 and general AC output circuit breaker Q After all indicators turn off and fans stop the UPSs shut down and the loads power off NOTE Perform Step 3 when the mains input and bypass input use different power sources If they share a power source you need only to switch off...

Страница 108: ...he EPO port on the UPS After you turn on the switch the UPS stops inverter output and does not transfer to bypass mode Output terminals completely power off which meets the emergency power off purpose The external EPO switch switch or dry contact signals controlled by a switch is provided by the customer UPS2000 G 6 kVA 20 kVA User Manual 5 Operations Issue 18 2021 07 16 Copyright Huawei Technolog...

Страница 109: ...manage the UPS online The SNMP card has an exquisite advanced and unique design and features high performance and reliability It has the following functions and features Supports UPS2000 G series and implements parallel system management using only one SNMP card Adapts to the 10 Mbit s 100 Mbit s fast Ethernet FE by using an IP address that is configurable on the LCD Supports SNMP Hypertext Transf...

Страница 110: ...e RCCMD thereby protecting customers data and preventing loss Sends alarm information to a specified email address for example 163 email address at scheduled time 6 3 Modbus Card The RMS MODBUS01A provides an RS485 networking solution to remotely manage the UPS The card implements the following functions by setting the DIP switches Provides a DIP switch for selecting the RS485 communications proto...

Страница 111: ...ance Maintain UPSs regularly based on the following requirements Otherwise the UPSs may fail to operate properly and the lifespan may be shortened Table 7 1 UPS routine maintenance Check Item Expected Result Troubleshooting Maintenance Interval Operating environment Ambient temperature 0 40 C Humidity 0 95 RH non condensing If the temperature or humidity is abnormal check the air conditioner statu...

Страница 112: ... units are operating properly No fault or alarm information is found in the active and historical alarm records If an alarm is present rectify the fault by checking the device status and parameters Monthly Cleanliness Wipe the cabinet surface using a white paper and the paper does not turn black Remove the dust especially from the front panel Quarterly Parameter settings The configuration of the o...

Страница 113: ...nance NOTICE Before installing batteries read through the battery user manuals and pay attention to safety precautions and connection methods provided by battery manufacture When installing and maintaining batteries pay attention to the following points Wrap tools with insulation tape to prevent electric shock Protect your eyes with relevant devices and apply other protective measures Wear rubber ...

Страница 114: ... hours Do not overdischarge batteries After discharging batteries fully charge them within 24 hours Ensure that the battery discharge duration is 24 hours at most and 16 hours by default If you set the value to 0 hour the discharge time is not limited Routine maintenance items for batteries Table 7 2 Routine maintenance items for batteries Item Expected Result Measures Maintenance Interval Battery...

Страница 115: ... voltage 14 1 V x Number of batteries tolerance 1 Float voltage 13 5 V x Number of batteries tolerance 1 1 If the voltage drop between the battery string output terminals and the battery input terminals at the UPS side is greater than 1 of the battery string voltage check whether the cable between the battery string and the UPS is excessively long or the cable diameter is excessively small 2 Check...

Страница 116: ...ries No cable deteriorates and the insulation layer does not crack Replace the faulty cable Quarterly Battery volta Equalized charging voltage 14 1 V 0 1 V Float charging voltage 13 5 V 0 1 V 1 Check whether the equalized charging voltage and float charging voltage of a battery are normal 2 If the charging voltage of a battery exceeds the specifications requirement perform a complete forcible equa...

Страница 117: ...y When battery strings are powered off check the reliability of each terminal in the order from positive terminals to negative terminals 2 The tightening torque of each battery screw meets the requirements of the battery manufacturer A torque wrench is used for checking the torque After checking that the battery screws meet the requirements mark the screws for later check 1 Rectify any abnormal co...

Страница 118: ... the limit Use a multimeter to check that the UPS input voltage meets specifications 2 The mains is normal but the AC input indicator is off The UPS runs in battery mode The mains switch is OFF Turn on the mains switch The input power cable is not securely connected Check the input power cable connection 3 The UPS does not report faults but has no output voltage The output power cable is not secur...

Страница 119: ...is generated in the UPS cabinet The UPS is faulty Shut down the UPS immediately and cut off the input power supply Contact local Huawei technical support 8 The battery indicator is blinking yellow The buzzer buzzes 1 second and then stops 1 second The battery capacity is insufficient The UPS is shutting down The remaining battery capacity is insufficient The UPS is shutting down and the loads are ...

Страница 120: ...t password is 000001 use the feature code the preset feature code is 999999 to activate the LCD password If you forget both the password and the feature code contact local Huawei technical support UPS2000 G 6 kVA 20 kVA User Manual 8 Troubleshooting Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 112 ...

Страница 121: ...0 Table 9 2 Physical specifications 15 kVA 20 kVA Item 15 kVA 20 kVA Dimensions H x W x D 430 mm x 130 mm x 757 mm Weight 32 kg IP rating IP20 9 2 Environmental Specifications Table 9 3 Environmental specifications Item 6 kVA 10 kVA 15 kVA 20 kVA Operating temperature 0 40 C UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 113 ...

Страница 122: ...of the UPS2000 G 15 kVA 20 kVA uses two live wires connect bypass and mains input bL1 bL2 bL3 mL1 mL2 and mL3 that are short circuited with a short circuit busbar to live wire L1 and connect the input N and N with a short circuit busbar to live wire L2 In addition if the AC input and AC output uses two live wires the input and output ends must connect to two pole circuit breakers that provided by ...

Страница 123: ...oltage 120 280 V AC Diesel generator input capacity Minimum 1 5 times the UPS rated capacity Table 9 5 15 kVA 20 kVA mains input electrical specifications Item 15 kVA 20 kVA Input power cable Single phase L N input PE cable Three phase L1 L2 L3 N input PE cable Single phase L N input PE cable Three phase L1 L2 L3 N input PE cable Rated input voltage 208 V AC 220 V AC 230 V AC or 240 V AC single ph...

Страница 124: ...acity Minimum 1 5 times the UPS rated capacity 9 4 Bypass Input Electrical Specifications Table 9 6 Bypass input electrical specifications Item 6 kVA 10 kVA 15 kVA 20 kVA Bypass voltage Upper threshold 10 15 20 25 30 208 V AC Upper threshold 10 15 20 25 220 V AC Upper threshold 10 15 20 230 V AC Upper threshold 10 15 240 V AC Lower threshold 10 20 30 40 50 60 Bypass frequency tolerance Maximum 6 H...

Страница 125: ... 380 V AC 400 V AC or 415 V AC three phase output select a voltage system by setting a voltage level on the LCD Output voltage tolerance 1 Total harmonic distortion of output voltage THDv 4 non linear load 2 resistive load Crest factor A maximum of 3 1 Inverter overload capability 105 load 125 transfer to bypass mode after 5 minutes 125 load 150 transfer to bypass mode after 1 minute Load 150 tran...

Страница 126: ...en the numbers of batteries N is less than 20 the battery power is derated to N 20 16 20 batteries in each of positive and negative strings The total number of batteries is 32 40 The rated number of batteries in each string is 20 If the number of batteries is less than 20 the power is derated by N 20 N is the smaller value between the numbers of batteries in positive and negative strings Battery s...

Страница 127: ...ranges from 85 to 100 or higher the maximum charge current is linearly derated in the range of 4 A to 1 A 2 A tolerance 0 5 for standard models 4 A tolerance 0 5 for long backup time models Charger charge time Batteries are charged to more than 90 in 3 hours for UPS2000 G 6 kVA 10 kVA standard models It depends on battery capacity for UPS2000 G 6 kVA 10 kVA long backup time models and UPS2000 G 15...

Страница 128: ...in Three Battery packs min Four Battery packs min 100 5400 6 19 29 46 80 4320 9 25 43 57 50 2700 19 46 68 92 30 1620 36 77 120 174 Figure 9 1 Backup time parameters for the ESS 240V12 7AhBPVBA01 battery pack 6 kVA battery efficiency assumed as 94 UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 120 ...

Страница 129: ...min Three Battery Packs min Four Battery Packs min 100 9000 4 12 23 32 80 7200 7 17 29 44 50 4500 12 32 53 70 30 2700 26 57 88 125 Figure 9 2 Backup time parameters for the ESS 240V12 9AhBPVBA01 battery pack 10 kVA battery efficiency assumed as 94 UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 121 ...

Страница 130: ...min Six Battery Packs min Eight Battery Packs min 100 13500 7 19 32 48 80 10800 9 26 44 57 50 6750 18 48 70 96 30 4050 35 79 125 171 Figure 9 3 Backup time parameters for the ESS 240V12 9AhBPVBA01 battery pack 15 kVA battery efficiency assumed as 94 UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 122 ...

Страница 131: ...min Six Battery Packs min Eight Battery Packs min 100 18000 4 12 23 32 80 14400 7 17 29 44 50 9000 12 32 53 70 30 5400 26 57 88 125 Figure 9 4 Backup time parameters for the ESS 240V12 9AhBPVBA01 battery pack 20 kVA battery efficiency assumed as 94 UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 123 ...

Страница 132: ...live wires 1 1 Number of UPSs in parallel other mode except two live wires 4 NOTE The UPS2000 G 15 kVA 20 kVA single phase input single phase output supports 3 1 parallel systems at most instead of 4 0 parallel systems 9 9 Safety Regulations and EMC Table 9 15 Safety regulations and EMC Item Standards Compliance Remarks Electromag netic compatibili ty Conducted radiation IEC EN 62040 2 Voltage cha...

Страница 133: ... 4 5 YD T 1095 2000 YD T 944 2007 The AC input side meets Level D lightning protection differential mode and common mode 5 kA and 8 20 µs NOTE The preceding test results are generated when the UPS works with Huawei battery packs UPS2000 G 6 kVA 20 kVA User Manual 9 Technical Specifications Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 125 ...

Страница 134: ...s ECO enabled Yes Auto start Yes Recovery delay time Yes Bypass max voltage Yes Bypass frequency range Yes Bypass min voltage Yes Self load output power ratio Yes Generator mode Yes Max BPS transfers Yes EOD auto start Yes Converter mode Yes Self load mode Yes Battery capacity Yes Charge current Yes NOTE You can set parameters on one UPS and then synchronize the parameters to the other UPSs UPS200...

Страница 135: ...e load rate is less than 4 4 is displayed on the LCD There is a message asking you to change the initial password If you enter incorrect password s for five consecuti ve times your account will be locked out for 5 minutes The working mode is displayed in the upper right corner of the LCD home screen Converter mode CM self load mode SM and normal mode NM UPS2000 G 6 kVA 20 kVA User Manual B UPS Dif...

Страница 136: ...ete rs Max current Charge curr limit The function does not change Shutdown delay Bat mode shut delay The function does not change System parameter difference EPO enable For details about the function see the section about system paramete rs Difference of battery capacity test conditions The load rate ranges from 20 to 80 and the load fluctuation does not exceed 10 The load rate ranges from 5 to 10...

Страница 137: ...lel system All UPSs transfer to battery mode When the mains input of a UPS fails the UPS transfers to battery mode and the other UPSs remain in normal mode NOTE The UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 and UPS2000 G 15KRTL UPS2000 G 20KRTL does not support parallel connection UPS2000 G 6 kVA 20 kVA User Manual B UPS Differences Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 129 ...

Страница 138: ...lue Stat us Mains Input Van Vbn Vcn Frequency Vab Vbc Vca Bypass Input Van Vbn Vcn Frequency Battery Status Battery voltage Battery current Status Capacity Backup time Inverter Output Van Ia UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameters Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 130 ...

Страница 139: ...n Ic Frequency Local UPS Load Single UPS Running N X Parallel System Sout_A Pout_A Load ratio_A Sout_B Pout_B Load ratio_B Sout_C Pout_C Load ratio_C Parallel System Load Single UPS Running N X Parallel System Sys Sout_A UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameters Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 131 ...

Страница 140: ...emp Ambient humidity Internal temp Runtime Inv runtime BPS runtime Alar ms Active Alarms Active alarms Details Historical Alarms Historical alarms Details Sort Alarms Occurrence latest first Level highest first Clear Alarms Setti ngs Basic Settings Language English Chinese Turkish French and Russian English UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameters Issue 18 2021 07 16 Copyright...

Страница 141: ...way SNMP Card 1 0 0 0 253 255 255 255 192 168 0 1 Communica tion address Modbus Card Baud rate Modbus Card Normal mode Dry contact Dry contacts 1 6 Dry contact 1 Battery mode Dry contact Dry contacts 1 6 Dry contact 2 Bypass mode Dry contact Dry contacts 1 6 Dry contact 3 Batt undervolt Dry contact Dry contacts 1 6 Dry contact 4 BPS backfeed Dry contact Dry contacts 1 6 Dry contact 5 UPS2000 G 6 k...

Страница 142: ...V on the UPS2000 G 6 kVA 10 kVA 208 V 220 V 230 V and 240 V single phase on the UPS2000 G 15 kVA 20 kVA 380 V 400 V and 415 V three phase on the UPS2000 G 15 kVA 20 kVA 220 V on the UPS2000 G 6 kVA 10 kVA 220 V single phase on the UPS2000 G 15 kVA 20 kVA 380 V three phase on the UPS2000 G 15 kVA 20 kVA Frequency level 50 Hz 60 Hz and Automatic 50 Hz Converter mode Enabled and Disabled Disabled Out...

Страница 143: ...res configurable in non battery mode 0 999 minutes 30 min Dis volt thres configurable in non battery mode 1 90 2 25 V cell 2 00 V cell Power Segment configurable after the inverter shuts down Enabled and Disabled Disabled Self Load Output power ratio 20 100 80 Self load mode Enabled and Disabled Disabled Others configurabl e after the inverter shuts down Recovery delay time 0 900s 5S Max BPS trans...

Страница 144: ... 15 kVA 20 kVA Enabled and Disabled Enabled Auto start Enabled and Disabled Disabled No battery alarm configurable only when batteries are not connected Enabled and Disabled Enabled Battery Paramete rs Basic Batteries Positive batteries Negative batteries configurable in non battery mode 16 20 monoblocs 0 monobloc UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameters Issue 18 2021 07 16 Co...

Страница 145: ...del Intelli Hibernation Enabled and Disabled Disabled Overtemp thres 45 55 C 50 C Undertemp thres 30 C to 5 C 5 C Charge curr limit UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 1 0 2 0 A standard model 1 0 4 0 A long backup time model 2 0 A Overcurrent thres configurable only for the UPS2000 G 15 kVA 20 kVA 2 0 4 0 A standard model 4 0 8 0 A long backup time model 3 0 A standard model 6 0 A long backup...

Страница 146: ...mp comp coef 0 0 6 0 mV cell 3 3 mV cell Discharge Max time configurable in non battery mode 0 24 hours 16 hours EOD mode configurable in non battery mode Batt protect first Backup time first and Balanced mode Backup time first EOD auto start configurable after the inverter shuts down Enabled and Disabled Enabled Bat mode shut delay 0 600 seconds 0s Shallow Discharge Timed shallow discharge test U...

Страница 147: ...VA 208 V 220 V 230 V and 240 V single phase on the UPS2000 G 15 kVA 20 kVA 380 V 400 V and 415 V three phase on the UPS2000 G 15 kVA 20 kVA 220 V on the UPS2000 G 6 kVA 10 kVA 220 V single phase on the UPS2000 G 15 kVA 20 kVA 380 V three phase on the UPS2000 G 15 kVA 20 kVA Frequency level 50 Hz 60 Hz and Automatic 50 Hz Output mode configurable only on the UPS2000 G 15 kVA 20 kVA Single phase and...

Страница 148: ... value is 9 Ah on a standard model and 65 Ah on a long backup time model For the UPS2000 G 15 kVA 20 kVA the default value is 65 Ah on a long backup time model Restore Default Settings configur able after the inverter shuts down Cont rol Startup Shutdow n Replace Batteries Maintain Batteries Shallow Discharge Test Capacity Test Stop Test UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameter...

Страница 149: ...al Equalized Charging Manual EC for Pos Manual EC for Neg Manual Float Charging Manual FC for Pos Manual FC for Neg Sync Paral Param Reset Password Abo ut Model ESN Version UPS2000 G 6 kVA 20 kVA User Manual C LCD Menus and Parameters Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 141 ...

Страница 150: ... 1 Hz the ECO frequency range is 0 5 Hz or 1 Hz The voltage level is associated with the upper threshold for bypass voltages 10 15 20 25 or 30 If the voltage level is 208 V the upper threshold for bypass voltages is 10 15 default 20 25 or 30 If the voltage level is 220 V line voltage 380 V the upper threshold for bypass voltages is 10 15 default 20 or 25 If the voltage level is 230 V line voltage ...

Страница 151: ...oltage is less than 80 V The mains frequency is not in the range of 40 Hz to 70 Hz The mains fuse is abnormal Measures Check whether the mains input voltage is less than 272 V If not wait until the mains recovers Check whether the mains input voltage is greater than 88 V If the voltage is greater than 88 V and the Abnormal mains volt alarm persists the mains fuse may be abnormal Replace the faulty...

Страница 152: ...tly connected 0005 01 Mains neutral loss Minor Automa tic The rectifier transfers to battery mode which does not affect the power supply to loads If no battery is installed the UPS shuts down The UPS changes the working mode or shuts down Possible cause The mains input neutral wire is not connected Measure Check that mains input power cables are correctly connected 0007 01 Batt trans overlimi t Mi...

Страница 153: ...al Measures Check whether the bypass input voltage exceeds the configured range If yes change the range or wait until the bypass input recovers Check whether the bypass input frequency exceeds the configured range If yes change the range or wait until the bypass input recovers 0010 02 Abnorm al BPS volt Minor 0011 01 BPS phase reverse Minor Automa tic If the inverter has not started the system has...

Страница 154: ...ossible causes The bypass load exceeds the rated inverter load An internal fault occurs in the UPS Measures Reduce the output load manually clear the alarm and restart the UPS Contact Huawei technical support for repair 0020 01 Batt reverse Critical Automa tic The power supply from the UPS and system is not affected Possible cause Batteries are reversely connected Measure Check the battery install...

Страница 155: ...ng equipment such as air conditioners Control the battery charge discharge current by reducing loads 0025 01 Batt overvolt Minor Automa tic An alarm is generated and the battery lifespan is affected Possible causes The configured number of batteries is less than the actual number The battery string charge voltage exceeds the upper threshold Measures Check battery parameter settings Disconnected th...

Страница 156: ...t state 0027 01 Batt overcurr ent Minor Automa tic An alarm is generated and the battery lifespan is affected Possible causes The charger is abnormal Measure Contact Huawei technical support for repair 0028 01 Breaker OFF Critical Automa tic N A Possible causes The mains input power cables are incorrectly connected The mains input circuit breaker is OFF Measure Check whether mains input power cabl...

Страница 157: ... Check whether cable connections are correct If yes switch on the bypass input circuit breaker 0028 03 Breaker OFF Critical Automa tic N A Possible causes The bypass is short circuited or the bypass input experiences overcurrent The bypass input circuit breaker is OFF Measures Check whether the circuit breaker downstream load is short circuited using a multimeter Check whether cable connections ar...

Страница 158: ...ttery capacity is incorrectly set The battery loop cannot be discharged The battery capacity is low Measures Check whether the configured battery capacity matches the connected battery capacity Check battery connections and the status of each battery Contact Huawei technical support for repair UPS2000 G 6 kVA 20 kVA User Manual D Alarm Handling Issue 18 2021 07 16 Copyright Huawei Technologies Co ...

Страница 159: ...xceeds 40 C The air channel is blocked The air filter is blocked by dust The fan is abnormal Measures Decrease the ambient temperature Keep the air intake and exhaust vents of the UPS unobstructed Clean or replace the air filter Clean off the foreign objects around the fan If the alarm persists contact Huawei technical support for repair UPS2000 G 6 kVA 20 kVA User Manual D Alarm Handling Issue 18...

Страница 160: ...e actual number of batteries meets requirements Disconnected the external battery charger check whether the alarm is cleared If not contact Huawei technical support for repair 0034 01 Remaini ng cap warning Minor Automa tic If no action is taken continued discharge will result in system shutdown due to EOD Possible cause The battery discharge lasts too long The mains input is abnormal The number o...

Страница 161: ...ischarge test The alarm will be automatically cleared no matter whether test conditions are met 0040 01 Rectifier fault Critical Manual Power off The UPS shuts down The UPS transfers to another working mode or shuts down Possible cause The soft start resistor is damaged Measure Contact Huawei technical support for repair 0040 02 Rectifier fault Critical Manual Power off The UPS cannot be started P...

Страница 162: ...rectify the fault restart the UPS Check whether the load type is supported by the UPS Enable the transformer mode Contact Huawei technical support for repair 0040 05 Rectifier fault Critical Manual Power off Automa tic The UPS shuts down The UPS transfers to another working mode or shuts down Possible cause The hardware is damaged Measure Contact Huawei technical support for repair 0040 06 Rectifi...

Страница 163: ...the air intake and exhaust vents of the UPS unobstructed Clean or replace the air filter Clean off the foreign objects around the fan If the alarm persists contact Huawei technical support for repair 0040 09 Rectifier fault Critical Power off The rectifier transfers to battery mode which does not affect the system power supply If no battery is installed the UPS shuts down The UPS may transfer to a...

Страница 164: ...or shut down Possible cause The single side bus capacitor is faulty Measure Contact Huawei technical support for repair 0041 03 Rectifier alarm Minor Manual Power off The power supply from the UPS and system is not affected Possible cause The bus capacitor is faulty Measure Contact Huawei technical support for repair 0041 10 Rectifier alarm Minor Automa tic N A Possible cause The load power exceed...

Страница 165: ...f the inverter has started inverter operation is not affected but transfer to bypass mode is not allowed Possible cause The bypass input cable connections do not match the output system Measure Ensure that the bypass input cable connections match the output system 0042 11 Internal fault Critical Power off After the parallel system is powered on an incorrect bypass phase sequence is detected on a U...

Страница 166: ...lean off the foreign objects around the fan If the alarm persists contact Huawei technical support for repair 0043 06 Fan fault Critical Automa tic The power supply from the UPS and system is not affected Possible cause The fan is abnormal Measure Clean off the foreign objects around the fan If the alarm persists contact Huawei technical support for repair 0044 01 Incomp atible ver Critical Manual...

Страница 167: ... software 0044 05 Incomp atible ver Critical Manual Power off The UPS cannot be started Possible cause Software and hardware versions do not match Measure Contact the manufacturer to load software 0044 06 Incomp atible ver Critical Manual Power off The UPS cannot be started Possible cause Software and hardware versions do not match Measure Contact the manufacturer to load software 0045 03 Charger ...

Страница 168: ...y string 0045 06 Charger alarm Critical Manual Power off The charger in the UPS stops Possible cause The charger is faulty Measure Contact Huawei technical support for repair 0045 07 Charger alarm Critical Manual Power off The charger in the UPS stops The 20 kVA has no action Possible cause The charger is faulty Measure Contact Huawei technical support for repair 0045 08 Charger alarm Critical Man...

Страница 169: ...e number of batteries is correct clear the alarm 0060 01 Inverter fault Critical Power off The inverter shuts down The UPS transfers to bypass mode or has no output based on the transfer logic Possible cause The inverter is faulty Measure Contact Huawei technical support for repair 0060 02 Inverter fault Critical Power off The UPS shuts down The UPS may transfer to another working mode or shut dow...

Страница 170: ...ter fault Critical Automa tic The UPS shuts down The UPS may transfer to another working mode or shut down Possible causes The mains experiences instantaneous high voltage impact The output has special loads such as sensitive loads and rectification loads The output has transformer loads but the transformer mode is not set The hardware is faulty Measures After you rectify the fault restart the UPS...

Страница 171: ...ked by dust The fan is abnormal Measures Decrease the ambient temperature Keep the air intake and exhaust vents of the UPS unobstructed Clean or replace the air filter Clean off the foreign objects around the fan If the alarm persists contact Huawei technical support for repair 0060 08 Inverter fault Critical Manual Power off The UPS shuts down Possible cause The DSP or CPLD chip is faulty Measure...

Страница 172: ...ontact Huawei technical support for repair 0061 09 Inverter alarm Minor Automa tic The UPS may transfer to another working mode or shut down Possible causes There is a strong interference source onsite An internal fault occurs in the UPS Measures Check and isolate the strong interference source onsite Contact Huawei technical support 0064 01 OL timeout Critical Automa tic The UPS automatically sta...

Страница 173: ...ttery voltage is below the battery protection voltage The battery discharge time exceeds the battery protection time Measures Check the battery voltage Modify the power segment settings on the LCD 0066 01 Output overloa d Minor Automa tic Continuous overload causes the UPS to transfer to bypass mode or supply no power Possible cause The load exceeds the rated loading capacity Measure Reduce the lo...

Страница 174: ...ble fault Critical Manual Power off The UPS shuts down The parallel system shuts down Possible causes The parallel cable is loose The parallel cable is damaged Measures Check that the parallel cable is securely connected Replace the parallel cable Contact Huawei technical support for repair 0083 02 Paral cable fault Critical 0083 04 Paral cable fault Critical Manual Power off Automa tic The UPS sh...

Страница 175: ... unstable side is not allowed Possible cause The output transfer times within 30 minutes exceed the configured value 3 by default Measure Restart the UPS after the alarm is cleared 0094 01 Redund ancy failure Minor Automa tic N A Possible causes The configured number of redundant UPSs exceeds the maximum allowed value The load exceeds the rated loading capacity of the requisite UPSs in the paralle...

Страница 176: ...ssor DSP of the power module Possible causes The communications cable is faulty An internal fault occurs in the UPS Measures Check the communications cable Contact Huawei technical support for repair 0125 01 Incon paral param Critical Automa tic An alarm is generated and all the UPSs in the parallel system cannot start inverters Possible cause The parallel parameters are not set consistently on th...

Страница 177: ...y Measures Check the ambient temperature in the UPS equipment room Replace the temperature and humidity transducer 0133 01 Ambien t underte mperat ure Minor Possible causes The ambient temperature in the UPS equipment room is below the alarm threshold default value 0ºC The temperature and humidity transducer is faulty Measures Check the ambient temperature in the UPS equipment room Replace the tem...

Страница 178: ...the ambient temperature in the UPS equipment room Replace the temperature and humidity transducer 0135 01 Ambien t underh umidity Minor Possible causes The ambient humidity in the UPS equipment room is below the alarm threshold default value 10 The temperature and humidity transducer is faulty Measures Check the ambient temperature in the UPS equipment room Replace the temperature and humidity tra...

Страница 179: ... transducer Replace the temperature and humidity transducer 0158 01 On bypass Minor Automa tic If the bypass is abnormal the UPS may power off Possible causes The inverter is not started The load exceeds the rated inverter loading capacity The inverter is faulty Measures Check whether other alarms are generated If yes see the other handling methods If no start the UPS manually UPS2000 G 6 kVA 20 k...

Страница 180: ... whether the UPS is in battery self check state Reduce the load or replace the UPS with a larger capacity UPS 0340 01 Maint breaker ON Minor Automa tic The UPS transfers to bypass mode Possible cause The maintenance circuit breaker is ON during UPS maintenance Measure Switch off the maintenance circuit breaker after maintenance 61440 0 1 Flash fault Critical Automa tic Files may be damaged Possibl...

Страница 181: ...the air filter Procedure Step 1 Remove the front panel Step 2 Remove the air filter Figure E 1 Removing the air filter 1 Air filter Step 3 Clean the air filter or prepare a new air filter Step 4 Install the cleaned or new air filter to the front panel UPS2000 G 6 kVA 20 kVA User Manual E Cleaning or Replacing the Air Filter 6 kVA and 10 kVA Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd ...

Страница 182: ...nstalling the air filter Step 5 Reinstall the front panel End UPS2000 G 6 kVA 20 kVA User Manual E Cleaning or Replacing the Air Filter 6 kVA and 10 kVA Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 174 ...

Страница 183: ...trol panel to display the Active Alarms page If multiple active alarms exist use the or key to select the alarm record on the top the latest alarm is on the top by default Press to view the alarm ID and name Figure F 1 Viewing alarms 2 Press to display the Maintain Batteries screen Then the Batt maint notif alarm disappears and timing for the next notification starts regardless of whether you perf...

Страница 184: ...arameters and Shallow Discharge and then change the value of Scheduled test from Enable to Disable configurable when the UPS works in any mode Figure F 4 Shallow Discharge screen UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 UPS2000 G 6KRTS UPS2000 G 10KRTS UPS2000 G 15KRTL UPS2000 G 20KRTL Choose Battery Parameters and Shallow Discharge and then change the value of Test notification from Enable to Disa...

Страница 185: ...Battery Status Figure G 1 Battery Status menu NOTE Status The battery status is N A battery not connected or reversely connected Equalized charging Float charging Hibernating or Discharging Capacity indicates the remaining battery capacity Backup time indicates the estimated battery discharge time when batteries are being charged or discharged 2 Batteries in Hibernating state cannot start a shallo...

Страница 186: ...e percentage of discharge capacity to the total dischargeable capacity The parameter can be set to a value between 10 and 50 and the default value is 20 The parameter is configurable in any mode It is recommended that the value of Discharge ratio not exceed 20 with the load is light For example the value can be 10 or 15 Step 3 Start the shallow discharge test Partially discharge the batteries Afte...

Страница 187: ...Test to forcibly stop the battery shallow discharge test Figure G 5 Stop Test screen End UPS2000 G 6 kVA 20 kVA User Manual G Battery Shallow Discharge Test Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 179 ...

Страница 188: ...is connected to the UPS The mains batteries charger and discharger are normal No overload alarm is generated UPS2000 G 15KRTL 01 UPS2000 G 20KRTL 01 The load rate ranges from 5 to 100 and the load fluctuation does not exceed 10 UPS2000 G 6KRTS UPS2000 G 10KRTS UPS2000 G 15KRTL UPS2000 G 20KRTL The load rate is 20 80 and the load fluctuation does not exceed 10 Procedure Step 1 Check the battery sta...

Страница 189: ...float charging for the 15 kVA and 20 kVA UPSs batteries in positive and negative groups are manually switched to float charging respectively Step 2 Start the capacity test Partially discharge the batteries After all required conditions are met the test command is successfully delivered and the LCD displays a Succeeded message Figure H 3 Capacity Test screen NOTE If the battery capacity do not meet...

Страница 190: ...p 3 Tap Stop Test to forcibly stop the capacity test Figure H 5 Stop Test screen End UPS2000 G 6 kVA 20 kVA User Manual H Battery Capacity Test Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 182 ...

Страница 191: ...he bypass power supply Step 2 Press the OK button for 5 seconds or enter the control screen to start the inverter Step 3 Verify that the alarm is cleared and the alarm tone disappears End UPS2000 G 6 kVA 20 kVA User Manual I Transferring the UPS That Has Generated an Alarm to Normal Mode and Clearing the Alarm Tone Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 183 ...

Страница 192: ...ce D DIP dual in line package DOD depth of discharge DSP digital signal processing E EPO emergency power off ECO economy control operation EOD end of discharge ESD electrostatic discharge ESN equipment serial number H UPS2000 G 6 kVA 20 kVA User Manual J Acronyms and Abbreviations Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 184 ...

Страница 193: ...ctive earthing PL parallel load PVC polyvinyl chloride R RS232 Recommend Standard 232 RS485 Recommend Standard 485 S SELV safety extra low voltage SNMP Simple Network Management Protocol T THDv total harmonic distortion of output voltage TNV telecommunication network voltage U UPS2000 G 6 kVA 20 kVA User Manual J Acronyms and Abbreviations Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 1...

Страница 194: ...nterruptible power system USB Universal Serial Bus V VRLA valve regulated lead acid UPS2000 G 6 kVA 20 kVA User Manual J Acronyms and Abbreviations Issue 18 2021 07 16 Copyright Huawei Technologies Co Ltd 186 ...

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