Huawei UPS5000-E-120kVA-FM User Manual Download

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3.4.1 Installing the UPSs

Context

NO TICE

When installing multiple cabinets, install connecting kits to combine and secure

the cabinets.

Procedure

Step 1 Install the UPSs in a parallel system using the single UPS installation method.

Step 2 Unscrew the connecting kit and put it through the reserved holes to connect the

two UPSs and then tighten the screws on the kit, as shown in

Figure 3-41

Figure 3-41 Installing connecting kits

NO TE

Connecting kits also need to be installed at the rear of the UPSs.

----End

UPS5000-E-(30 kVA–120 kVA)-FM

User Manual

3 Installation

Issue 03 (2022-01-30)

Summary of Contents for UPS5000-E-120kVA-FM

Page 1: ...UPS5000 E 30 kVA 120 kVA FM User Manual Issue 03 Date 2022 01 30 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...cribed 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 prep...

Page 3: ...tallation engineers Commissioning engineers Data configuration engineers Maintenance engineers 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...

Page 4: ... not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 03 2022 01 30 Updated the monitoring user interfaces Issue 02 2020 11 10 Adapted the UPS to SmartLi and updated the monitoring user interfaces Issue 01 2020 04 27 This is the first o...

Page 5: ...gram 17 2 2 2 Working Modes 17 2 2 2 1 Normal Mode 17 2 2 2 2 Bypass Mode 18 2 2 2 3 Battery Mode 19 2 2 2 4 Maintenance Bypass Mode 20 2 2 2 5 ECO Mode 21 2 3 Product Introduction 22 2 3 1 Structure 23 2 3 2 Power Module 24 2 3 3 Bypass Module 26 2 3 4 Power Distribution Module 28 2 3 5 Control Module 28 2 3 5 1 Overview 28 2 3 5 2 ECM 29 2 3 5 3 Dry Contact Card 31 2 3 5 4 Monitoring Interface C...

Page 6: ...ounding Failure Detector 62 3 3 4 UPS Cable Connection Reference 63 3 3 5 Routing Cables 64 3 3 5 1 Top Cable Routing 64 3 3 5 2 Bottom Cable Routing 69 3 3 6 Connecting a Remote EPO Switch 77 3 3 7 Connecting Communications Cables 78 3 4 Installing a Parallel System 78 3 4 1 Installing the UPSs 79 3 4 2 Connecting Power Cables 80 3 4 3 Connecting Signal Cables 82 3 5 Verifying the Installation 84...

Page 7: ...S Maintenance 110 5 1 1 Monthly Maintenance 111 5 1 2 Quarterly Maintenance 111 5 1 3 Annual Maintenance 112 5 2 Battery Maintenance 113 5 2 1 Precautions for Battery Maintenance 113 5 2 2 Monthly Maintenance 113 5 2 3 Quarterly Maintenance 115 5 2 4 Annual Maintenance 116 6 Troubleshooting 117 7 Technical Specifications 120 7 1 Physical Specifications 120 7 2 Internal Switch Specifications 120 7 ...

Page 8: ...C Alarm List 128 D Acronyms and Abbreviations 129 UPS5000 E 30 kVA 120 kVA FM User Manual Contents Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd vii ...

Page 9: ... component damage personal injuries or property damage will not be covered under 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 The Company will not be liable for any consequences of the following circumstances Operation beyond the conditions specified ...

Page 10: ...wing figure Follow the specified procedures 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 buildi...

Page 11: ... installation Repaint any paint scratches caused during equipment transportation or installation in a timely manner Equipment with scratches cannot be exposed to an outdoor environment for an extended period of time Before operations ensure that the equipment is firmly secured to the floor or other solid objects such as a wall or an installation rack Do not use water to clean electrical components...

Page 12: ...ssionals personnel who are trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation operation maintenance Trained personnel personnel who are technically trained have required experience are aware of possible hazards on themselves in certain operations and are able to take protective measures to minimize the hazar...

Page 13: ... of AC powered facilities must be performed by qualified personnel Cabling When routing cables ensure that a distance of at least 30 mm exists between the cables and heat generating components or areas This prevents damage to the insulation layer of the cables Do not route cables behind the air intake and exhaust vents of the equipment Ensure that cables meet the VW 1 or ZB flame spread rating req...

Page 14: ...oards with ESD packaging materials before storing or transporting them Figure 1 1 Wearing an ESD wrist strap Neutral Ground Voltage It is recommended that the three phase loads be equalized and the neutral ground voltage be kept at less than 2 V to meet power distribution requirements 1 4 Installation Environment Requirements To prevent fire due to high temperature ensure that the ventilation vent...

Page 15: ... working at heights Wear personal protective equipment such as the safety helmet and safety belt or waist rope and fasten it to a solid structure Do not mount it on an insecure moveable object or metal object with sharp edges Make sure that the hooks will not slide off Set a restricted area and eye catching signs for working at heights to warn away irrelevant personnel Carry the operation machiner...

Page 16: ...Use wooden or fiberglass ladders when you need to perform live working at heights When a step ladder is used ensure that the pull ropes are secured and the ladder is held firm Before using a ladder check that it is intact and confirm its load bearing capacity Do not overload it Ensure that the ladder is securely positioned The recommended angle for a ladder against the floor is 75 degrees as shown...

Page 17: ...omponents or cables inside Metal shavings from drilling may short circuit boards inside the equipment Obtain consent from the customer and contractor before drilling holes Wear goggles and protective gloves when drilling holes When drilling holes protect the equipment from shavings After drilling clean up any shavings that have accumulated inside or outside the equipment Moving Heavy Objects DANGE...

Page 18: ...commercial and industrial purposes only It cannot be used as a power supply for life support devices For power supply systems that are critical to significant economic interests or public order such as the national computing center military command system emergency command center railway signal system and control center civil aviation and air traffic control center airport command center financial...

Page 19: ...pment to flammable or explosive gas or smoke Do not perform any operation on the equipment in such environments During installation and maintenance ensure that sundries do not enter the UPS Otherwise equipment damage load power derating power failure and personal injury may occur If the root mean square of the mains voltage exceeds 320 V AC the UPS may be damaged A UPS can be used to serve resisti...

Page 20: ...t generating sources such as sunlight fire sources transformers and heaters Overheating may cause battery explosion Do not burn batteries Otherwise the batteries may explode To avoid leakage overheating fire or explosions do not disassemble alter or damage batteries for example insert foreign objects into batteries or immerse batteries in water or other liquids Wear goggles rubber gloves and prote...

Page 21: ...and negative poles of the same battery or battery string Otherwise the battery may be short circuited Check battery connections periodically ensuring that all screws are securely tightened When installing batteries do not place installation tools on the batteries Battery Short Circuit DANGER Battery short circuits can generate high instantaneous current and release a great amount of energy which m...

Page 22: ...t that you also need to observe the following precautions WARNING There is a risk of explosion if the model of the replaced battery is incorrect A battery can be replaced only with a battery of the same or similar model recommended by the manufacturer When handling a lithium battery do not place it upside down tilt it or bump it with other objects Keep the lithium battery loop disconnected during ...

Page 23: ... UPS output voltage level or frequency 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 UPS5000 E 30 kVA 120 kVA FM User Manual 1 Safety Information Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 15 ...

Page 24: ...o Item Description 1 Product category UPS 2 Product family 5000 3 UPS subcategory E series 4 Output capacity 120K output capacity of 120 kVA compatible with 90 kVA 60 kVA and 30 kVA 5 Configuration type F full configuration of switches M modular UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 16 ...

Page 25: ... UPS5000 converts inputs into pure high quality sine wave outputs by using the high frequency switching technology Figure 2 2 UPS conceptual diagram 2 2 2 Working Modes 2 2 2 1 Normal Mode In normal mode the rectifier converts AC power into DC power and then the inverter converts the DC power into high precision AC outputs The conversions protect loads from interference such as input harmonics gli...

Page 26: ...d or other faults that may cause the inverter to shut down In bypass mode loads are powered by the bypass module The bypass power supply is not protected by the UPS and therefore is prone to the mains outage abnormal AC voltage waveform or abnormal frequency UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 18 ...

Page 27: ...abnormal or the rectifier becomes abnormal the UPS transfers to battery mode The power module obtains DC power from batteries and the power is converted into AC output by the inverter UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 19 ...

Page 28: ... When the UPS works in maintenance bypass mode the current flows through the maintenance bypass instead of the power module You can maintain the circuit inside the cabinet UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 20 ...

Page 29: ...cy ranges and other ECO power supply conditions are met the UPS works in bypass mode and the inverter is in standby state When the bypass source voltage is outside the ECO voltage range the UPS transfers from bypass mode to inverter mode In bypass mode or normal mode the rectifier keeps working and charges batteries using a charger The ECO mode delivers a high efficiency UPS5000 E 30 kVA 120 kVA F...

Page 30: ...anual startup is required to ensure that the inverter is in standby state and the power flow has reached the inverter 2 3 Product Introduction UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 22 ...

Page 31: ...ch 4 Bypass input switch 5 Mains input switch 6 Surge protective module optional 7 Control module 8 Bypass module 9 Power modules 10 Monitor display module MDU 11 Document holder UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 23 ...

Page 32: ...dicator Color Status Description Running indicator Green Steady on The system is working in inverter mode Blinking at long interval s The inverter is ready and in standby state blinking at 0 5 Hz on for 1s and off for 1s The inverter is not started blinking at 0 2 Hz on for 2 5s and off for 2 5s UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co...

Page 33: ...icator Red Steady on A critical alarm is generated for the inverter or rectifier Off There is no critical alarm for the inverter or rectifier or the rectifier software is being upgraded Functions The power module consists of a power factor correction PFC rectifier and inverter It performs AC DC or DC DC conversion on the mains and battery inputs and stabilizes the bus voltage The inverter DC AC co...

Page 34: ...lor Status Description Running indicator Green Steady on The system is working in bypass mode Blinking at long interval s The bypass has no output blinking at 0 2 Hz on for 2 5s and off for 2 5s Blinking at short interval s The bypass is not configured or the DSP software is being upgraded blinking at 4 Hz on for 0 125s and off for 0 125s UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03...

Page 35: ...ware is being upgraded Functions The bypass module supplies power in the following cases The UPS is set to ECO mode and the bypass voltage is within the specified range The power module overload exceeds the time limit Both the active and standby ECMs are abnormal The system fails to run properly The power supply is switched to the bypass manually Specifications Dimensions H x W x D 130 mm x 420 mm...

Page 36: ...module inside the cabinet can be maintained without disconnecting power supply You can short circuit the mains and bypass input terminals using copper bars so that two mains inputs merge into one mains input 2 3 5 Control Module 2 3 5 1 Overview In a standard configuration the control module consists of two ECMs one dry contact card and one monitoring interface card from left to right The four car...

Page 37: ...E port 15 COM2 port 16 COM1 port 17 Battery temperature sensor port 18 Optional card subrack cover NOTE Ports are protected by a security mechanism 2 3 5 2 ECM Appearance The control module consists of two energy control modules ECMs in active standby mode Figure 2 13 ECM Table 2 4 Ports on the ECM Silk Screen Description PARALLEL The PARALLEL port transmits parallel signals between racks UPS5000 ...

Page 38: ...CM has a minor alarm but it does not need to be replaced Off The ECM has no minor alarm or the software of the ECM is being upgraded FAULT Red Steady on The ECM has a critical alarm Off The ECM has no critical alarm or the software of the ECM is being upgraded Functions As a control interface for the entire system the ECM communicates with each module and provides a bus for communication between t...

Page 39: ...appable 1 U high 2 3 5 3 Dry Contact Card Appearance Figure 2 15 Dry contact card Table 2 6 Ports on the dry contact card Silk Screen Description Status Initial Status BTG Port for detecting battery grounding faults Connected battery grounding fault Disconnected no battery grounding fault Disconnected 0V Port for signal ground UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 ...

Page 40: ...B_0V Port for signal ground EPO_NO Emergency power off EPO port If the normally open NO port is connected to the EPO_12V port EPO is triggered Disconnected EPO_12V 12V EPO_NC EPO port If the normally closed NC port is disconnected from the EPO_12V port EPO is triggered Connected EPO_12V 12V SWITCH STATUS_OUT Port for monitoring the UPS output circuit breaker Connected circuit breaker ON Disconnect...

Page 41: ...nitoring system Set the unused dry contact signal to the unused status Set the EPO port to NO or NC as required When multiple UPSs are paralleled all dry contact signals to be used need to connect to each UPS Single cables require dual insulated twisted cables If the length of a power cable is within 25 50 m its cross sectional area must be 0 5 mm2 to 1 5 mm2 Functions The dry contact card allows ...

Page 42: ...nd control functions for the MDU The monitoring interface card provides the ambient temperature and humidity sensor port FE port battery temperature monitoring port and network management port The MDU monitors the UPS allows users to set parameters delivers commands reports information and displays the UPS key information and parameters on the LCD Figure 2 16 Monitoring interface card NOTE DO_1 to...

Page 43: ...odbus RTU Connects to an ambient temperature and humidity sensor over two wires Southbound communications port 2 COM2 Supported protocol Modbus RTU Connects to a southbound device Network port FE Supported protocols Modbus TCP HTTPS and SNMP Connects to the network port on a PC Network port for connecting to the web service and for SNMP networking Northbound communications port RS485 Supported pro...

Page 44: ...2 18 Wiring method 2 Figure 2 19 COM1 pins Table 2 8 COM1 pin definition Pin Description 1 GND 2 3 RS485 4 RS485 5 6 12V_PORT UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 36 ...

Page 45: ...2 9 COM2 pin definition Pin Description 1 RS485 2 RS485 3 4 RS485 5 RS485 6 GND 7 CANH0 8 CANL0 Figure 2 21 RS485 pins UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 37 ...

Page 46: ...85 Connect pin 4 and pin 5 Pin 4 connects to RS485 and pin 5 connects to RS485 Connect pins 1 2 4 and 5 Twist cables to pin 1 and pin 4 into one cable and then connect it to RS485 Twist cables to pin 2 and pin 5 into one cable and then connect it to RS485 2 3 6 MDU Appearance Figure 2 22 MDU 1 Status indicator 2 LCD touchscreen UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview Issue 03 2022 01 30...

Page 47: ...rated Off The MDU is powered off NOTE The indicator on the MDU panel is yellow when the bypass supplies power in non ECO mode Figure 2 23 MDU ports Table 2 12 Port description No Port Name Description 1 MUS05A DB26 Connects to the MDU and monitoring interface card 2 GE Network port 3 CAN Reserved 4 RS485_1 Reserved 5 FE_1 Reserved 6 FE_2 Reserved UPS5000 E 30 kVA 120 kVA FM User Manual 2 Overview ...

Page 48: ...et parameters Specifications Dimensions H x W x D 175 mm x 264 mm x 40 mm 2 4 Typical Configurations Table 2 13 Typical UPS configurations Configuration Application Scenario Single UPS Supplies power to common loads Parallel system Supplies power to important loads in small and medium sized data centers It features high availability and strong transient overload capability Dual bus system The dual...

Page 49: ...erent UPSs are connected over parallel cables to synchronize UPS outputs to supply power to loads If one UPS fails the other UPSs continue supplying power to loads Figure 2 24 Conceptual diagram of an N X parallel system 2 4 3 Dual Bus System A dual bus system consists of two independent UPS systems Each of these UPS systems in turn consists of one or more UPSs connected in parallel Of the two UPS...

Page 50: ... circuit protection and remote trip control BBB BOX PDU8000 0630DCV8 BGA001 PDU8000 1250DCV8 BGA001 PDU8000 2000DCV8 BGA001 Converges the energy of multiple battery strings Surge protective module SPD The surge protective module consists of two groups of SPD circuit breakers and SPDs which provide surge protection for mains input and bypass input respectively The surge protective capacity reaches ...

Page 51: ...tects current leakage and generates alarms When equipped with a remote trip switch the detector protects devices and prevents fire outbreak Detects battery grounding failures and generates alarms when the ground leakage current exceeds the specified value BSC cable 10 m 15 m 60 m Transmits bus synchronization signals in a dual bus system Parallel cable 5 m 10 m 15 m Connects UPSs in parallel Top a...

Page 52: ...oor or installation support can bear the weight of the UPS5000 batteries and battery racks The weight of batteries and battery racks depends on the UPS configuration for the site UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 44 ...

Page 53: ...the UPS away from water sources heat sources and flammable or explosive materials Keep the UPS away from direct sunlight dust volatile gases corrosive materials and air dense with salt particles Do not install the UPS in environments with conductive metal scraps in the air The optimal operating temperatures for valve regulated lead acid batteries VRLA batteries are 20 30 C Operating temperatures h...

Page 54: ...ventilation and operations Reserve at least 500 mm from the rear of the cabinet for facilitate ventilation Reserve at least 500 mm from the top of the cabinet for operations Figure 3 2 Reserved clearances unit mm 3 1 2 Tools and Instruments CAUTION Insulate installation tools to prevent electric shocks Prepare the following tools and meters indicated in Table 3 1 for installation UPS5000 E 30 kVA ...

Page 55: ... gun Diagonal pliers Crimping tools Wire stripper Electric hydraulic pliers Clamp meter Multimeter Cable tie Level instrument Insulation tape Cotton cloth Label Electrician s knife Electrostatic discharge ESD gloves Protective gloves Insulated gloves Insulation protective shoes UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 47 ...

Page 56: ...e leakage currents A circuit breaker that provides leakage current protection is not recommended If multiple UPSs are to be connected in parallel input and output power cables for each UPS should have the same length and specifications Table 3 2 lists the recommended cross sectional areas for UPS power cables Note that the currents listed are measured at a rated voltage of 380 V line voltage Table...

Page 57: ...nt A 45 91 136 182 Recommende d cross sectional area mm2 U 4 x 10 4 x 25 4 x 50 4 x 70 V W N When the UPS connect s to a non linear load increase the cross section al area Battery input lead acid battery Nominal discharge current A 66 132 197 263 Maximum discharge current A 79 158 236 315 Recommende d cross sectional area mm2 3 x 16 3 x 50 3 x 70 3 x 120 N UPS5000 E 30 kVA 120 kVA FM User Manual 3...

Page 58: ...y cells 1 67 V cell stop discharging When the mains input and bypass input share a power source configure input power cables as mains input power cables In addition cables listed in Table 3 2 apply only to the following conditions The cables are installed along the wall or on the floor IEC 60364 5 52 C standards The ambient temperature is 30 C The AC voltage loss is less than 3 and the DC voltage ...

Page 59: ...A 3P Downstream output circuit breaker 63 A 3P 60 kVA Mains input circuit breaker 125 A 3P Bypass input circuit breaker 125 A 3P Downstream output circuit breaker 125 A 3P 90 kVA Mains input circuit breaker 200 A 3P Bypass input circuit breaker 200 A 3P Downstream output circuit breaker 200 A 3P 120 kVA Mains input circuit breaker 250 A 3P Bypass input circuit breaker 250 A 3P Downstream output ci...

Page 60: ...fter placing the UPS in the installation position unpack it and take care to prevent scratches Keep the UPS steady during unpacking If the UPS installation environment is in poor condition and the UPS needs to be stored for a long time after it is unpacked take measures to prevent dust It is recommended that the UPS be wrapped with the original plastic packing Procedure Step 1 Use a pallet truck t...

Page 61: ...orrect and complete according to the packing list If some fittings are missing or do not comply with the packing list record this information and contact the Company immediately Step 7 After confirming that the UPS is intact remove the front and rear L shaped brackets that secure the UPS to the pallet and secure the sliding plate to the pallet using the two M12 bolts removed before Figure 3 5 Remo...

Page 62: ...ly Otherwise the sliding plate may shift when the UPS slides down Step 8 Raise the four anchor bolts to the highest position using an adjustable wrench as shown in Figure 3 7 UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 54 ...

Page 63: ...nstalling a Single UPS 3 3 1 Installing a UPS Cabinet Secured Installation Step 1 Determine the cabinet installation position Draw mounting holes in the installation position according to the drawing UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 55 ...

Page 64: ... how to install an expansion bolt Figure 3 9 Expansion bolt composition 1 M12 bolt 2 Spring washer 3 Flat washer 4 Expansion sleeve NOTICE Knock the expansion bolt into the hole until the expansion sleeve completely fits into the hole The expansion sleeve must be completely buried under the ground to facilitate subsequent installation UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03...

Page 65: ...rted into the hole 3 Partially tighten the expansion bolt 4 Remove the bolt spring washer and flat washer Step 3 Move the cabinet over its castors to the installation position Step 4 Optional If the castors of the UPS need to be lifted from the ground perform steps Step 1 to Step 2 in Unsecured Installation Step 5 Remove the rear panel of the cabinet and then open the front door UPS5000 E 30 kVA 1...

Page 66: ...he front and two at the rear Figure 3 12 Removing plugs Step 7 Insert four M12x115 expansion bolts into the expansion bolt holes in the floor and tighten the expansion bolts in the direction UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 58 ...

Page 67: ...ors at the bottom hang in the air and the anchor bolts bear all of the cabinet weight as shown in Figure 3 14 Figure 3 14 Castors adjustment Step 2 Check the cabinet levelness using a level If the cabinet is not level wrench the anchor bolts End UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 59 ...

Page 68: ...installation guide delivered along with the batteries 3 3 3 Installing Optional Components 3 3 3 1 Installing Antiseismic Kits Procedure Step 1 Determine the installation positions for the antiseismic kits based on the delivered marking off template and mark mounting holes Figure 3 15 Antiseismic kit mounting hole positions Step 2 Secure two antiseismic kits to the front and rear of the cabinet us...

Page 69: ...eismic kits at the front and rear of the cabinet to the floor using eight M12 expansion bolts as shown in Figure 3 17 Figure 3 17 Securing the antiseismic kits to the floor End 3 3 3 2 Connecting an Ambient T H Sensor Procedure Step 1 Connect the RJ11 port on the ambient T H sensor to the COM1 port on the monitoring interface card UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 202...

Page 70: ...IM of the iBAT to the COM2 port on the monitoring interface card Figure 3 19 COM2 port End 3 3 3 4 Installing a Battery Grounding Failure Detector Procedure Step 1 Install a battery grounding failure detector For the installation method see UPS5000 Battery Grounding Failure Detector User Manual UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies...

Page 71: ...is no dust or scraps inside and around cabinets Prepare terminals onsite The length of the copper wire should be the same as that of the part of the terminal that covers the conductor Procedure Step 1 Route a cable into the cabinet and bind it to a nearby beam Step 2 Pull the cable to the copper bar to which the cable is to be connected determine the cable length and mark the cable at the position...

Page 72: ...uting Context NOTICE Before connecting cables ensure that the switches inside the UPS the upstream input switch and battery string switch are OFF to prevent operations with power on Route cables for the UPS from inside out and from bottom up Procedure Step 1 Ensure the maintenance bypass switch is OFF Open the front door remove the front cover and remove covers from the top of the cabinet based on...

Page 73: ...Figure 3 22 Removing the cover UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 65 ...

Page 74: ...rminals N 2 Mains input terminals 1L1 1L3 N 3 Bypass input terminals 2L1 2L3 N 4 Output terminals U V W N Step 2 Connect the ground cable UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 66 ...

Page 75: ...wer cables Two power sources Remove the copper bar between mains and bypass input terminals Figure 3 25 Removing copper bars UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 67 ...

Page 76: ...itive and negative battery strings each consisting of 20 batteries Figure 3 27 Neutral wire One power source If the mains input and bypass input share a power source you do not need to remove the copper bar between the mains and bypass input terminals or connect the bypass input power cable Step 4 Route signal cables Bind cables to the cabinet UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation...

Page 77: ... entry cabinet is installed Context NOTICE Route cables for the UPS from inside out Procedure Step 1 Optional Determine the installation position for the cable entry cabinet and draw mounting holes in the installation position based on drawings UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 69 ...

Page 78: ...hows the positions of the side panel of the cable entry cabinet and the cable trough Step 2 Remove the right and rear covers from the UPS cabinet and remove the front and rear covers from the cable entry cabinet Put away the removed screws and covers Step 3 Adjust the anchor bolts of the cable entry cabinet to make it flush with the UPS cabinet Step 4 Install equipotential plate mounting kits on t...

Page 79: ... Side panel 2 Cable trough Step 5 Place the cable entry cabinet on the right of the UPS cabinet Step 6 Install the front and rear connecting kits UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 71 ...

Page 80: ...OTE For details about how to secure the cable entry cabinet see Secured Installation in 3 3 1 Installing a UPS Cabinet Step 8 Install an equipotential plate Figure 3 32 Equipotential plate UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 72 ...

Page 81: ...on the actual cable conditions Figure 3 34 Removing small covers Drill holes in the large cover for routing cables a Remove all small covers from the bottom of the cable entry cabinet b Remove the two large covers from the bottom of the cable entry cabinet drill holes in them based on site requirements and install them on the positions where the small covers were placed UPS5000 E 30 kVA 120 kVA FM...

Page 82: ... cables Step 11 Connect ground cables and power cables NOTE For the screw specifications and torque used for connecting cables in a bottom cable routing scenario refer to the top cable routing scenario This section only shows the cable routes in the bottom cable routing scenario UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 74 ...

Page 83: ... 36 Connecting cables Step 12 Remove the signal cable trough cover from the cable entry cabinet UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 75 ...

Page 84: ...ute the signal cable out of the UPS cabinet through the cable hole on the top and then into the cable entry cabinet through the cable hole on the top of that cabinet UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 76 ...

Page 85: ...ded cable size is 22 AWG Equip the EPO switch with a protective cover to prevent misoperations and cover the cable with protective tubing Triggering EPO will shut down the rectifier inverter charger and static bypass but does not disconnect the UPS mains input To power off the UPS completely open the front end input switch when triggering EPO Connect the requisite EPO switch to UPS dry contacts Fi...

Page 86: ...O status ensure that the jumper is connected between EPO_NC and EPO_12V When you turn on the EPO switch EPO is triggered 3 3 7 Connecting Communications Cables Procedure Step 1 Connect the external network management device to the RS485 port of the monitoring interface card Step 2 Connect the network port on a PC to the FE port of the monitoring interface card End 3 4 Installing a Parallel System ...

Page 87: ...S installation method Step 2 Unscrew the connecting kit and put it through the reserved holes to connect the two UPSs and then tighten the screws on the kit as shown in Figure 3 41 Figure 3 41 Installing connecting kits NOTE Connecting kits also need to be installed at the rear of the UPSs End UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies ...

Page 88: ...tion describes how to connect cables for a 1 1 parallel system in a typical scenario Figure 3 42 and Figure 3 43 show the typical conceptual diagram and cable connections for a 1 1 parallel system Figure 3 42 Conceptual diagram of a 1 1 parallel system UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 80 ...

Page 89: ...ables 4 Output power cables Figure 3 44 shows a typical conceptual diagram for a dual bus system and Figure 3 45 shows the cable connections for this system Figure 3 44 Conceptual diagram of a dual bus system UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 81 ...

Page 90: ...s how to connect signal cables as a loop for four UPSs in a parallel system Procedure Step 1 Connect the parallel ports on the UPSs using parallel cables to form a loop Figure 3 46 shows the topology diagram for the N X parallel system and Figure 3 47 shows the cable connections for this system UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies...

Page 91: ...onsisting of the N X parallel system In a dual bus system you need to connect cables to BSC ports on the UPSs Figure 3 48 shows the cable connections for a dual bus system containing two master systems UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 83 ...

Page 92: ... NOTICE If the check results of listed items 8 and 9 in Table 3 5 do not meet the acceptance criteria the UPS may be damaged Table 3 5 Check items and acceptance criteria No Item Acceptance Criteria 01 UPS installation The UPS is securely installed and does not tilt due to vibration UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 84 ...

Page 93: ...bypass input and output phase sequences are correct For a parallel system the phase sequences of each UPS must be consistent 09 Battery cables The battery strings are correctly connected to the UPS 10 Operating environment The inside and outside of the cabinet and other operating components are free from conductive dust and foreign matter 1 Ensure that there is no foreign matter such as copper wir...

Page 94: ...lation reinstall all the covers 3 Do not remove the dustproof cover before power on to prevent dust inside the UPS as shown in Figure 3 51 Figure 3 49 Positions to be checked for foreign matter 1 Rear of modules 2 Cabinet top 3 Wiring terminal blocks 4 Switches Figure 3 50 Filling a hole with sealing putty 1 Paper protective film 2 Sealing putty UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installati...

Page 95: ...Figure 3 51 Dustproof cover 1 Dustproof cover UPS5000 E 30 kVA 120 kVA FM User Manual 3 Installation Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 87 ...

Page 96: ...k items in the section Verifying the Installation Before power on ensure that all the UPS switches and upstream switches are OFF Procedure Step 1 Turn on the upstream bypass and mains input switches Step 2 Optional If a surge protective module is configured turn on its switch Step 3 Turn on the UPS bypass input switch mains input switch and output switch After the UPS is powered on initialization ...

Page 97: ...ased on the site requirements Set information in the New Site area and tap Next The Check Before Power On screen is displayed NOTE You can manually enter the product SN Step 4 Enter information in the Check Before Power On area and tap Next The Information Collection screen is displayed Step 5 Enter information in the Information Collection area as required take a photo and sign the name Tap Next ...

Page 98: ...Settings Wizard Procedure Step 1 Set the language time and date network parameters system parameters and battery parameters on the Settings Wizard screen NOTICE Set system parameters with caution because the settings determine whether the UPS can operate normally Set Single Parallel after double check Incorrect setting may affect the normal UPS operation Output voltage level refers to the line vol...

Page 99: ...her alarm you need to rectify the fault NOTE After you set parameters on the Settings Wizard screen choose System Info Settings System Setting Check that Requisite modules and Redundant modules match the actual values If dry contact signals are connected to the system choose System Info Settings Dry Contact Set Check that the connected dry contacts have been enabled and that the disconnected dry c...

Page 100: ...he password Step 3 In the displayed dialog box tap Yes to start the inverter End Starting the UPS on the WebUI Step 1 Open a browser for example Internet Explorer 11 and choose Tools Internet Options Step 2 Click the Advanced tab check that Use TLS 1 0 and Use TLS 1 1 are selected and then click OK Step 3 In the address box of the browser enter https UPS IP address Step 4 Enter the correct user na...

Page 101: ...string is properly connected switch on the battery string input circuit breaker If there are multiple battery strings switch on the circuit breaker for each battery string and then the general circuit breaker between the battery strings and the UPS The No battery alarm on the LCD disappears Step 2 Turn on the downstream output switch of the UPS to supply power to loads End 4 1 5 Optional Setting P...

Page 102: ... UPS supplies no power Before shutting down the UPS ensure that all loads have shut down Procedure Step 1 Shut down the inverter On the LCD On the LCD main screen tap Common Functions Tap Inv OFF NOTE To shut down the inverter on the Maintenance screen tap System Info Maintenance Figure 4 4 Normal bypass UPS5000 E 30 kVA 120 kVA FM User Manual 4 Operations Issue 03 2022 01 30 Copyright Huawei Tech...

Page 103: ...or each battery string Step 4 Turn off the external input switches and UPS internal switches in the following sequence 1 Turn off the internal mains input switch bypass input switch and output switch of the UPS 2 Turn off the upstream mains input and bypass input switches for the UPS NOTE If the inverter needs to shut down to transfer the UPS to bypass mode check that the UPS has not generated an ...

Page 104: ... the user manual for the lithium battery cabinet 4 Use a multimeter to measure the voltages of the positive and negative battery strings connected to the UPS battery input terminals If the measured values are consistent with the voltages displayed on the System Status screen of the lithium battery cabinet the batteries are properly connected 5 Check that the green indicator on the battery control ...

Page 105: ...e do not set the ECO mode when the bypass input is unstable or is sensitive to load changes ECO mode is not recommended when the load is less than 10 Before setting ECO mode ensure that the bypass is working properly Procedure Step 1 On the LCD choose System Info Settings System Settings and set Working mode to ECO The information indicating that the UPS works in ECO mode is displayed on the LCD S...

Page 106: ...est 4 6 1 1 Forced Equalized Charging Test Context NOTICE Before a forced equalized charging test ensure that The mains input is normal Batteries are properly connected Batteries are not in the equalized charging state Procedure Step 1 On the home screen of the LCD choose System Info Maintenance Battery Maint Step 2 Tap Start next to Forced Equalized Charging to start a forced equalized charging t...

Page 107: ...anged based on the actual situation before testing the battery The UPS works in normal mode with a load ratio fluctuation less than 10 The UPS does not generate any battery overtemperature overvoltage or overcurrent alarm No generator is connected to the UPS The mains batteries charger and discharger are normal No overload alarm is generated Automatic Shallow Discharge Test Step 1 On the home scre...

Page 108: ...atio fluctuation exceeds 10 A fault alarm is generated End 4 6 1 3 Capacity Test Context NOTICE Before performing a capacity test ensure that If the battery has been replaced choose System Info Settings Battery Settings on the LCD and verify that the value of Installation time has been changed based on the actual situation before testing the battery The UPS is working in normal mode float charging...

Page 109: ...xceeds 10 A fault alarm is generated When the battery discharge voltage reaches the EOD voltage plus 0 01 V the test is complete The test data is obtained from the capacity test Based on monthly capacity test data select the test data obtained from a capacity test that has the maximum discharge capacity as the current month test data Save the test data obtained from the latest 36 tests End 4 6 2 L...

Page 110: ...Automatic Shallow Discharge Test 1 On the home screen of the UPS LCD choose System Info Settings Battery Settings and set Sched shallow dis test to Enable 2 Set Sched shallow dis test time and Sched shallow dis test interval as required After setting is complete the system will perform automatic shallow discharge tests based on the settings Manual Shallow Discharge Test 1 On the home screen of the...

Page 111: ...ing in normal mode float charging or hibernation has lasted for 2 hours after the SOC reaches 100 the load rate fluctuation is less than 10 The UPS has generated no battery overtemperature overvoltage or overcurrent alarm No generator is connected to the UPS The mains batteries charger and discharger are normal No overload alarm is generated The SmartLi has generated no alarms related to lithium b...

Page 112: ...ntenance Bypass Mode Context NOTICE Strictly observe the following procedure to transfer the UPS to maintenance bypass mode Otherwise loads may power off In maintenance bypass mode the mains supplies power to the loads directly over the maintenance bypass If the mains is not normal the loads may power off Procedure Step 1 Manually transfer the UPS to bypass mode Step 2 Turn on the maintenance bypa...

Page 113: ...nt breaker closed alarm NOTE After the UPS transfers to maintenance bypass mode the Maint breaker closed and Bypass mode alarms are displayed on the LCD End UPS5000 E 30 kVA 120 kVA FM User Manual 4 Operations Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 105 ...

Page 114: ...in bypass mode NOTE Reinstall the stopper or barrier on the maintenance bypass switch if any Step 2 Start UPS inverters End 4 9 Performing EPO NOTICE After the EPO button is turned on the UPS supplies no power and the loads shut down In maintenance bypass mode the UPS continues to supply power even after the EPO button is turned on Press the external EPO switch that connects to the dry contact car...

Page 115: ...s cleared by viewing active alarms If the system bypass input is normal the UPS transfers to bypass mode On the LCD Choose System Info Alarms Active Alarms to check that the EPO alarm is cleared On the WebUI Choose Home Active Alarm to check that the EPO alarm is cleared Step 4 Start the inverter End 4 11 Exporting Data The following data can be exported Historical alarms Active alarms Performance...

Page 116: ... load power fluctuation is greater than the rated capacity of half a module for example the single phase load power fluctuation is greater than 5 kVA for a 30 kVA module the UPS may enter and exit from hibernation mode repeatedly Check that the number of redundant power modules and racks are appropriate If the number is insufficient the UPS may not enter hibernation mode Web 1 On the WebUI choose ...

Page 117: ...NOTE Click Submit after setting parameters on the WebUI UPS5000 E 30 kVA 120 kVA FM User Manual 4 Operations Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 109 ...

Page 118: ... Only trained personnel are allowed to perform maintenance Customers are not allowed to maintain components behind protective covers that can be removed only using tools If the components are to be maintained contact technical support Only maintenance engineers are allowed to maintain power modules and bypass modules Maintain UPSs regularly based on the following requirements Otherwise the UPSs ma...

Page 119: ...ut voltage is abnormal check the power grid status and input cable connection If the output voltage is abnormal check the UPS running status and check whether an alarm is generated Information on the LCD The status icons on the LCD indicate that all units are operating properly all operating parameters are within their normal ranges and no fault or alarm information is displayed If an alarm is gen...

Page 120: ... 3 Annual Maintenance Check Item Expected Result Troubleshooting Grounding Check that the ground cables are connected securely Tighten the screws Power cables and terminals between the UPS and the power distribution cabinet The insulation layers of cables are intact and terminals are free from black marks and noticeable sparks Replace the cables Secure all output terminals Through current capacity...

Page 121: ...aining the batteries 5 2 1 Precautions for Battery Maintenance Before battery maintenance insulate tools such as wrenches Do not place any objects on the top of batteries Do not use any organic solvent to clean batteries Do not remove the safety valve or fill anything into a battery Do not smoke or have an open flame around batteries After batteries are discharged charge the batteries in time to a...

Page 122: ... persists contact technical support Battery string charging voltage Equalized charging voltage 2 35 V cell 1 x Voltage of a single battery 2 x Number of batteries in a battery string Float charging voltage 2 25 V cell 1 x Voltage of a single battery 2 x Number of batteries in a battery string 1 If the voltage drop between the battery string output terminals and the battery input terminals at the U...

Page 123: ... the insulation layer does not crack Replace the faulty cable Battery voltage Equalized charging voltage 2 35 V cell 0 02 V cell Float charging voltage 2 25 V cell 0 02 V cell 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 equalized charging f...

Page 124: ...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 conn...

Page 125: ...reach EOD the battery switch in the BCB box trips if the BCB box is configured To restore battery discharge turn on the battery switch in the BCB box To restore battery discharge after batteries reach EOD use one of the following methods 1 Switch to another battery string Ensure that each battery has a voltage greater than the EOD voltage and 11 3 V cell 2 Restore the mains power supply to start t...

Page 126: ...harger generates an alarm The buzzer buzzes the fault indicator is on and the charging function fails The charger fails Replace the power module The charger experiences overcurrent Replace the power module The charger experiences undervoltage Check whether the configured number of batteries is correct If the setting is correct but the alarm persists replace the power module The UPS works in bypass...

Page 127: ...ce the load or improve ventilation NOTE For details about component replacement and maintenance involved in Troubleshooting and Alarm List consult maintenance engineers UPS5000 E 30 kVA 120 kVA FM User Manual 6 Troubleshooting Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 119 ...

Page 128: ...00 mm packaged Product weight net weight Without redundant modules 30 kVA 250 kg 60 kVA 270 kg 90 kVA 290 kg 120 kVA 310 kg 7 2 Internal Switch Specifications Switch Specifications Maintenance bypass switch 690 V AC 250 A 3P Mains input switch 690 V AC 250 A 3P Bypass input switch 690 V AC 250 A 3P Output switch 690 V AC 250 A 3P UPS5000 E 30 kVA 120 kVA FM User Manual 7 Technical Specifications I...

Page 129: ...040 1 TLC YD T 2165 2010 EMC Conducted emission EN IEC 62040 2 Radiated emission RE EN IEC 62040 2 Low frequency signal interference IEC 61000 2 2 Electrostatic discharge immunity IEC 61000 4 2 Conducted susceptibility EN IEC 62040 2 EN IEC 61000 4 6 Radiated susceptibility EN IEC 62040 2 EN IEC 61000 4 3 Electrical fast transient EFT EN IEC 62040 2 IEC 61000 4 4 Surge protection EN IEC 62040 2 IE...

Page 130: ...oad when the voltage is 176 80 V AC Rated frequency 50 Hz 60 Hz Input frequency range 40 70 Hz Input power factor 0 99 full load 0 98 half load THDi 3 linear load 5 non linear load 7 6 Bypass Input Electrical Specifications Item Specifications Rated input voltage 380 V AC 400 V AC 415 V AC line voltage Input voltage range Upper threshold 10 15 default 20 25 when the voltage system is 380 V AC Uppe...

Page 131: ...ry inverter output power is derated to 80 The default number of batteries is 0 Set this parameter based on site requirements Cold start In the case of a mains failure batteries can start the UPS to power loads Charger output power 6250 W 200 W x N The maximum charge power of a power module is 6250 W 200 W the maximum current is 10 A N represents the number of power modules in the rack Charging vol...

Page 132: ...oltage THDv THDv 1 100 linear load THDv 3 100 non linear load Output PF 1 Transfer time 0 ms uninterruptible transfer Interruptible transfer 20 ms Output voltage unbalance Voltage unbalance 3 phase unbalance 120 2 UPS5000 E 30 kVA 120 kVA FM User Manual 7 Technical Specifications Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 124 ...

Page 133: ...s At 30 40 C 100 load 110 after 60 minutes transfer to bypass mode if the bypass is normal or disconnect output if the bypass is abnormal 110 load 125 after 3 minutes transfer to bypass mode if the bypass is normal or disconnect output if the bypass is abnormal 125 load 150 after 30 seconds transfer to bypass mode if the bypass is normal or disconnect output if the bypass is abnormal Load 150 or i...

Page 134: ... The recommended cross sectional area for the cable is 50 mm2 NOTE The following cable connections are for reference only Figure A 1 Connecting the input N and PE UPS5000 E 30 kVA 120 kVA FM User Manual A Optional TN C System Application Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 126 ...

Page 135: ...BUser Interface NOTE For details see the UPS5000 E Monitoring Module User Manual UPS5000 E 30 kVA 120 kVA FM User Manual B User Interface Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 127 ...

Page 136: ...CAlarm List NOTE For details about alarms see the UPS5000 SmartLi Alarm Reference UPS5000 E 30 kVA 120 kVA FM User Manual C Alarm List Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 128 ...

Page 137: ...ox BBB BOX battery bus bar box C CAN Controller Area Network CE Conformite Europeenne D DSP digital signal processing E ECO economy control operation EPO emergency power off ECM energy control module EOD end of discharge F FE fast Ethernet I UPS5000 E 30 kVA 120 kVA FM User Manual D Acronyms and Abbreviations Issue 03 2022 01 30 Copyright Huawei Technologies Co Ltd 129 ...

Page 138: ... correction R RS485 Recommended Standard 485 S SNMP Simple Network Management Protocol SOC state of charge SOH state of health STS static transfer switch T THDi total distortion of the input current waveform THDv total harmonic distortion of output voltage U UPS uninterruptible power system USB Universal Serial Bus V VRLA valve regulated lead acid UPS5000 E 30 kVA 120 kVA FM User Manual D Acronyms...

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