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UPS5000-S-600 kVA
User Manual (Three-phase, Three-wire)

5 Operations

Issue 05 (2019-12-20)

170

Figure 5-8

Normal bypass

After you shut down the inverter, the

Bypass mode

alarm is displayed on the LCD.

Figure 5-9

Abnormal bypass

If you need to shut down the inverter and transfer the UPS to bypass mode, check that the UPS has not
generated an alarm and perform

Step 1

Step 2

After the inverter shuts down, open the external output switches.

Step 3

Open the battery string circuit breaker. If there are multiple battery strings, open the general
circuit breaker between battery strings and the UPS and then open the circuit breaker for each
battery string.

Step 4

Open the external mains and bypass input switches.

----End

Summary of Contents for UPS5000-S-600

Page 1: ...UPS5000 S 600 kVA User Manual Three phase Three wire Issue 05 Date 2019 12 20 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...tomer All or part of the products services and features 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 c...

Page 3: ...neers 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 serious injury Indicates a hazard wit...

Page 4: ...n Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 05 2019 12 20 Added SNMP descriptions to the sections about site configuration Issue 04 2019 02 20 Updated the section Power Cables Issue 03 2019 01 15 Added description that the UPS5000 supports the mobile app function when it is powered on for the first ...

Page 5: ... Battery Safety 11 1 8 Others 13 2 Overview 15 2 1 Model Description 15 2 2 Working Principle 15 2 2 1 Conceptual Diagram 16 2 2 2 Working Modes 16 2 2 2 1 Normal Mode 16 2 2 2 2 Bypass Mode 17 2 2 2 3 Joint Power Mode 18 2 2 2 4 Battery Mode 19 2 2 2 5 ECO Mode 20 2 3 Product Introduction 22 2 3 1 Appearance 22 2 3 2 Product Structure 23 2 3 3 Power Module 24 2 3 4 Bypass Module 26 2 3 5 Control ...

Page 6: ...s 61 3 2 3 Installing Optional Components 61 3 2 3 1 Installing Antiseismic Kits 61 3 2 3 2 Installing an IP21 Component 63 3 2 3 3 Connecting an Ambient T H Sensor 64 3 2 3 4 Connecting the BCB box 65 3 2 3 5 Connecting the BBB Box 65 3 2 3 6 Installing a Battery Grounding Failure Detector 65 3 2 3 7 Connecting the iBattery 67 3 2 3 8 Installing the Top Air flow Cabinet 67 3 2 3 9 Installing a Ca...

Page 7: ... 2 3 1 Historical Alarms 145 4 2 3 2 Logs 145 4 2 4 Config 146 4 2 4 1 User Management 146 4 2 4 2 Site Config Page 146 4 2 4 3 RCCMD 147 4 2 4 4 Managing the UPS by Using the NMS Complying with RFC1628 Standard 155 4 2 5 Maint Page 157 4 2 6 Protecting the Server by Using the RCCMD Software 158 4 2 6 1 Introduction to the Software 158 4 2 6 2 RCCMD Event Shutdown and Message Sending 158 4 2 6 3 U...

Page 8: ...PO 176 5 8 Clearing the EPO State 177 5 9 Exporting Data 178 5 10 Setting Hibernation Mode 179 6 Routine Maintenance 180 6 1 UPS Maintenance 180 6 1 1 Monthly Maintenance 180 6 1 2 Quarterly Maintenance 181 6 1 3 Annual Maintenance 181 6 2 Battery Maintenance 182 6 2 1 Precautions for Battery Maintenance 183 6 2 2 Monthly Maintenance 183 6 2 3 Quarterly Maintenance 184 6 2 4 Annual Maintenance 185...

Page 9: ...g 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 relevant international or national standards Unauthorized modifications to th...

Page 10: ...ctor 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 the fire alarm bell or make an emergency call Do not enter the building o...

Page 11: ...cratches cannot be exposed to an outdoor environment for a long 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 inside or outside of a cabinet Do not change the structure or installation sequence of equipment without permission Do not touch a runni...

Page 12: ...lear 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 hazards on themselves and other people Operators operation personnel who may come in con...

Page 13: ... 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 flame spread rating requirements Bind cables of the same type together When routing cables of different types ensure that t...

Page 14: ... Requirements To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Install the equipment in an area far away from liquids Do not install it under areas prone to condensation such as under water pipes and air exhaust vents or areas prone to water leakage such as air conditioner vents ventilation vents or f...

Page 15: ... irrelevant personnel Carry the operation machinery and tools properly to prevent them from falling off and causing injuries Personnel involving working at heights are not allowed to throw objects from the height to the ground or vice versa Objects should be transported by tough slings hanging baskets highline trolleys or cranes Ensure that guard rails and warning signs are set at the edges and op...

Page 16: ...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 in the following figure An angle rule can be used to measure the angle Ensure that the wider end of the ladder is at the bottom or protective measures have been taken at the bottom to prevent the ladder from slidin...

Page 17: ...n moving heavy objects When moving the equipment by hand wear protective gloves to prevent injuries Move or lift the equipment by holding its handles or lower edges Do not hold the handles of modules such as 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 componen...

Page 18: ...ries 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 prevent short circuits Ensure that there is no condensation insid...

Page 19: ...ry Safety Basic Requirements Before operating batteries carefully read the safety precautions for battery handling and master the correct battery connection methods Do not expose batteries at high temperatures or around heat generating devices such as sunlight fire sources transformers and heaters Excessive heat exposure may cause the batteries to explode Do not burn batteries Otherwise the batter...

Page 20: ...ures 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 Otherwise the battery may be short circuited Check battery connections periodically ensuring that all bolts are securely tightened When installing batteries do not place installation tools on the batteries Battery Shor...

Page 21: ...note the precautions described in this section There is a risk of explosion if a battery is replaced with an incorrect model 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 installation and mai...

Page 22: ...nual Three phase Three wire 1 Safety Information Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 14 Exercise caution when setting battery parameters Incorrect settings will affect the power supply and battery lifespan ...

Page 23: ...on 1 Product category UPS short for uninterruptible power system 2 UPS family 5000 3 UPS subcategory S series 4 Output capacity 600K The output capacity is 600 kVA 5 Configuration type NN No Neutral The UPS5000 S 600K NN uses 50 kVA power modules It can expand up to 600 kVA and is compatible downwards to 50 kVA This document describes the 600 kVA UPS 2 2 Working Principle indicates an input mode i...

Page 24: ...gy for intelligent control Its power module consists of a rectifier inverter and DC DC converter The 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 then the inverter converts DC power into high prec...

Page 25: ...ceptual diagram in normal mode 2 2 2 2 Bypass Mode The UPS automatically transfers to bypass mode upon detecting power module overtemperature overload or other faults that may cause the inverter to shut down The bypass power supply is not protected by the UPS which means it may be affected by mains outage and incorrect AC voltage or frequency ...

Page 26: ...e 2 4 UPS conceptual diagram in bypass mode 2 2 2 3 Joint Power Mode If the UPS works properly and the AC input power of the rectifiers is insufficient the UPS transfers to joint power mode In this case the power module obtains energy from both the mains and batteries and the energy is converted into AC outputs over the inverter ...

Page 27: ...i Technologies Co Ltd 19 Figure 2 5 Conceptual diagram in joint power mode 2 2 2 4 Battery Mode If the mains input is 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 ...

Page 28: ...gured on the LCD or web user interface WebUI In ECO mode when the bypass input is within the ECO voltage and frequency 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 voltage is outside the ECO voltage range the UPS transfers from bypass mode to normal mode In bypass mode or normal mode the rectifier keeps worki...

Page 29: ...hree wire 2 Overview Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 21 Figure 2 7 UPS conceptual diagram in ECO mode Manual startup is required to ensure that the inverter is in standby state and the power flow has reached the inverter ...

Page 30: ...ase Three wire 2 Overview Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 22 2 3 Product Introduction 2 3 1 Appearance Figure 2 8 UPS appearance 1 Power cabinet 2 Anchor baffle plates 3 Monitoring display unit MDU 4 Bypass cabinet ...

Page 31: ...e 2 Overview Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 23 2 3 2 Product Structure Figure 2 9 Product Structure 1 Power modules 2 Control module 3 Mains surge protection box 4 Bypass surge protection box 5 Fan power module 6 Bypass module ...

Page 32: ...scription Indicator Color Status Description Run indicator Green Steady on The system is working in inverter mode Blinking at long intervals 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 Blinking at short intervals The module is not configured the inverter or rectifier DSP software ...

Page 33: ... indicator 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 CPLD software is being upgraded Functions The power module consists of a power factor correction PFC rectifier inverter and DC DC converter The power module performs AC DC or DC DC conversion on the mains and battery inputs and stabilize...

Page 34: ...iption Indicator Color Status Description Run indicator Green Steady on The system is working in bypass mode Blinking at long intervals The bypass has no output blinking at 0 2 Hz on for 2 5s and off for 2 5s Blinking at short intervals 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 Off The bypass CPLD software is being upgraded...

Page 35: ...he system fails to run properly and transfers to bypass mode A manual operation is performed to transfer to bypass mode Specifications Dimensions H x W x D 600 mm x 200 mm x 627 5 mm Weight 50 kg 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 cards are hot s...

Page 36: ...CMs 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 BSC The BSC port is used in a dual bus system to synchronize output frequencies and phases between UPS systems ensuring that two buses can switch with each other BSC cables are hot swappable For a single UPS the parallel cable is not need...

Page 37: ...ECM has no critical alarm or the DSP 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 to communicate with the dry contact card The ECM ensures equalized output currents between modules so that load power is equally shared Provides module running information for the MDU Controls the running of a single UPS50...

Page 38: ...ort for signal ground GEN Port for detecting diesel generator D G mode Connected D G mode Disconnected non D G mode Disconnected 0V Port for signal ground BCB_OL Port for detecting the BCB box Grounded BCB box connected Disconnected BCB box not connected Grounded BCB_STA Port for monitoring the battery switch Connected battery switch ON Disconnected battery switch OFF Disconnected BCB_DRV Controls...

Page 39: ...the bypass input circuit breaker Connected circuit breaker ON Disconnected circuit breaker OFF Connected SWITCH STATUS_0V Port for signal ground SPD Port for monitoring the input AC surge protective device SPD Connected SPD enabled Disconnected SPD disabled Connected 0V Port for signal ground The dry contact interface card takes effect only after it is set on the monitoring system Set the unused d...

Page 40: ...nitoring and control functions for the MDU The ports include the ambient temperature and humidity sensor port iBattery 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 DO_1 to D...

Page 41: ... an ambient temperature and humidity sensor over two wires Southbound communications port 2 COM2 Connects to a southbound device such as an iBattery Network port FE Connects to the network port on a PC Network port for connecting to the web service and for SNMP networking Northbound communications port RS485 Connects to a northbound network management device or a third party network management dev...

Page 42: ...hree phase Three wire 2 Overview Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 34 Figure 2 18 Wiring method 2 Figure 2 19 COM1 pins Table 2 8 COM1 pin definition Pin Description 1 GND 2 N A 3 RS485 4 RS485 5 N A 6 12V_PORT ...

Page 43: ...phase Three wire 2 Overview Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 35 Figure 2 20 COM2 pins Table 2 9 COM2 pin definition Pin Description 1 RS485 2 RS485 3 N A 4 RS485 5 RS485 6 GND 7 CANH0 8 CANL0 Figure 2 21 RS485 pins ...

Page 44: ...the three methods below Connect pin 1 and pin 2 Pin 1 connects to RS485 and pin 2 connects to RS485 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 i...

Page 45: ...ellow when the bypass supplies power in non ECO mode Figure 2 23 MDU ports Table 2 12 Description of MDU ports No Port Name Description 1 MUS05A DB26 Connects to the MDU and monitoring interface card 2 FE Network port 3 CAN Reserved 4 RS485_1 Reserved 5 USB Host After installing the WiFi module connect the WiFi module to the UPS using the app on the mobile phone to obtain the initial startup passw...

Page 46: ...t overload capability Dual bus system The dual bus system is suitable for scenarios where high availability requirements are posed for power supply The dual bus system supplies power to important loads in large and medium sized equipment rooms and data centers In addition to common parallel system advantages the dual bus system also provides outstanding availability and eliminates bottleneck failu...

Page 47: ...e 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 systems one is a master system and the other is a slave system This design makes the dual bus system h...

Page 48: ...250DC038 4BXA PDC 0400DC038 4BXA PDC 0630DC038 4BXA PDU8000 0125D CV8 BXA001 PDU8000 0250D CV8 BXA001 PDU8000 0400D CV8 BXA001 PDU8000 0630D CV8 BXA001 PDU8000 0800D CV8 BXA001 Controls the connection between battery strings and the UPS and supports overload short circuit protection and remote trip control BBB BOX PDU8000 0630D CV8 BGA001 PDU8000 1250D CV8 BGA001 PDU8000 2000D CV8 BGA001 Converges...

Page 49: ...rom dust and ensure normal operations ECM extended subrack N A Install this subrack when the UPS is equipped with a backfeed protection card and dry contact extended card Dry contact extended card N A Provides extended monitoring ports five routes of relay output ports and five routes of input ports Backfeed protection card N A Detects mains and bypass backfeed and provides protection Battery grou...

Page 50: ...ogies Co Ltd 42 Component Model Function withstand current The ECM extended subrack does not support onsite installation If this component is required inform Huawei before purchasing the UPS to receive pre installation services If cables are routed in and out from the top for the UPS IP21 cannot be configured ...

Page 51: ... User Manual Three phase Three wire 3 Installation Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 43 3 Installation 3 1 Installation Preparations 3 1 1 Site 3 1 1 1 UPS Dimensions Figure 3 1 Dimensions unit mm ...

Page 52: ...s VRLA batteries are 20 30 C Operating temperatures higher than 30 C shorten the battery lifespan and operating temperatures lower than 20 C reduce the battery backup time 3 1 1 3 Installation Clearances Reserve sufficient clearances around the cabinet to facilitate operations and ventilation Reserve a clearance of at least 800 mm from the front of the cabinet Reserve a clearance of at least 500 m...

Page 53: ... for installation Table 3 1 Tools and meters Tools and Meters Electric pallet truck Manual pallet truck Ladder Rubber mallet Hammer drill and drill bit Φ16 Hand held electric drill Alloy hole saw Heat gun Diagonal pliers Crimping tools Wire stripper Electric hydraulic pliers Clamp meter Multimeter Cable tie Level instrument Polyvinyl chloride PVC insulation tape Cotton cloth Label Electrician s kn...

Page 54: ...ore dedicated tools required see the corresponding component manuals Prepare tools based on site requirements 3 1 3 Power Cables The UPS can generate large 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 The curren...

Page 55: ...rrent A 76 152 228 304 380 456 Recommended cross sectional area mm2 U 3 x 25 1 x 25 3 x 70 1 x 35 2 x 3 x 70 1 x 35 2 x 3 x 95 1 x 50 2 x 3 x 120 1 x 70 2 x 3 x 150 1 x 70 V W PE Battery input connector Nominal battery discharge current A 110 219 329 439 548 658 Maximum battery discharge current A 131 263 394 525 657 788 Recommended cross sectional area mm2 2 x 25 2 x 70 2 x 150 2 x 2 x 120 2 x 2 ...

Page 56: ... 185 240 240 240 240 When selecting connecting and routing power cables follow local safety regulations and rules If external conditions such as cable layout or ambient temperatures change perform verification in accordance with the IEC 60364 5 52 or local regulations If the rated voltage is 400 V multiply the currents by 0 95 If the rated voltage is 415 V multiply the currents by 0 92 If the rate...

Page 57: ...ications 50 kVA Mains input circuit breaker 160 A 3P Bypass input circuit breaker 100 A 3P Output branch circuit breaker 100 A 3P 100 kVA Mains input circuit breaker 250 A 3P Bypass input circuit breaker 160 A 3P Output branch circuit breaker 160 A 3P 150 kVA Mains input circuit breaker 320 A 3P Bypass input circuit breaker 250 A 3P Output branch circuit breaker 250 A 3P 200 kVA Mains input circui...

Page 58: ...ded in the preceding table are for reference only Customers need to connect the circuit breakers outside the UPS If multiple loads are connected specifications for branch circuit breakers must not exceed the recommended specifications The circuit breaker selection principle is to protect loads and cables and the cascading principle is to realize specific protection The currents listed in the follo...

Page 59: ... x 3 0 2 x 2 x 300 3 x 2 x 4 0 3 x 2 x 300 PE 6 4 3 1 1 0 1 0 Table 3 6 Recommended power cable cross sectional area 350 kVA 600 kVA Item 350 kVA 400 kVA 450 kVA 500 kVA 550 kVA 600 kVA Mains input connector Mains input current A 488 558 627 697 767 836 Recommended cross sectional area kcmil AWG L1 2 x 3 x 350 3 x 3 x 250 3 x 3 x 300 3 x 3 x 350 3 x 3 x 400 4 x 3 x 300 L2 L3 PE 1 0 1 0 1 0 2 0 2 0...

Page 60: ...to the current when forty 12 V batteries in standard configuration that is two hundred and forty 2 V battery cells 1 67 V cell stop discharging The battery cable specifications are selected based on 40 batteries by default and compatible with application scenarios with 30 50 batteries When the mains input and bypass input share a power source configure mains input power cables as input power cable...

Page 61: ...00 A 3P Bypass input circuit breaker 320 A 3P Output branch circuit breaker 320 A 3P Battery circuit breaker 630 A 3P 250 kVA Mains input circuit breaker 500 A 3P Bypass input circuit breaker 320 A 3P Output branch circuit breaker 320 A 3P Battery circuit breaker 800 A 3P 300 kVA Mains input circuit breaker 630 A 3P Bypass input circuit breaker 400 A 3P Output branch circuit breaker 400 A 3P Batte...

Page 62: ...A 3P Battery circuit breaker 2000 A 3Pa a If the battery voltage is 480 V select the 2000 A 3P circuit breaker by default If the battery voltage exceeds 500 V select the 2000 A 4P circuit breaker The circuit breakers recommended in the preceding table are for reference only Customers need to connect the circuit breakers outside the UPS If multiple loads are connected specifications for branch circ...

Page 63: ...transport the UPS box secured to a wooden support to the installation position To prevent the UPS from falling over secure it to an electric pallet truck using ropes before moving it To prevent shocks or falls move the UPS gently After placing the UPS in the installation position unpack it with care to prevent scratches Keep the UPS steady during unpacking If the UPS installation environment is in...

Page 64: ...allet from the UPS End 3 2 Single UPS Installation When you install the UPS and connect cables do not step on the front door baffle plate and the door support at the bottom of the cabinet to prevent paint flake off and deformation Otherwise the front door will not be properly closed 3 2 1 Installing a UPS 3 2 1 1 Installing the UPS on the Ground Context ...

Page 65: ...e is delivered with the UPS Procedure Step 1 Determine the cabinet installation positions on the ground based on holes in the marking off template for ground installation A mounting holes on the channel steel B mounting holes on the floor Figure 3 4 Mounting hole dimensions unit mm Step 2 Use a hammer drill to drill holes for installing expansion bolts and install expansion sleeves in the holes ...

Page 66: ... completely buried under the ground to facilitate subsequent installation Figure 3 6 Installing an expansion bolt unit mm 1 Drill holes in the ground by using a hammer drill The hole depth is 52 mm to 60 mm 2 Partially tighten the expansion bolt and vertically insert it into the hole Knock the expansion bolt using a rubber mallet until the expansion sleeve is fully inserted into the hole 3 Partial...

Page 67: ...xpansion bolt holes on the ground using M12x60 expansion bolts Figure 3 7 Tightening expansion bolts 1 Mounting holes on the floor 2 Mounting holes on the channel steel Step 5 Install the front rear left and right anchor baffle plates Figure 3 8 Installing the front rear left and right anchor baffle plates End 3 2 1 2 Installing the UPS on Channel Steel Context ...

Page 68: ... secure the cabinet to channel steel with bolts Keep the channel steel surface flat Procedure Step 1 Determine the cabinet installation positions on the channel steel based on holes in the marking off template for channel steel installation A mounting holes on the channel steel B mounting holes on the floor Figure 3 9 Mounting hole dimensions unit mm Step 2 Drill cabinet mounting holes in channel ...

Page 69: ...batteries in a correct way to prevent vibrations and shocks Install the batteries from the lower layer to the upper layer to prevent falling over due to imbalance Procedure Step 1 Install a battery rack and batteries For details see the battery installation guide delivered along with batteries End 3 2 3 Installing Optional Components 3 2 3 1 Installing Antiseismic Kits Context Install antiseismic ...

Page 70: ...tep 2 Drill holes for installing expansion bolts and install expansion sleeve Step 3 Open the front door of the cabinet and remove the support baffle plates from the front of the cabinet Remove the rear cover Figure 3 11 Removing support baffle plates Step 4 Secure the antiseismic kits to the front and back of the cabinet using M6 screws Figure 3 12 Securing the antiseismic kits to the cabinet ...

Page 71: ...install the support baffle plates and rear covers in the cabinet Step 8 Install the front rear left and right anchor baffle plates End 3 2 3 2 Installing an IP21 Component Procedure Step 1 Install leveling feet at the bottom of the IP21 component with two long feet on the front and two short feet at the rear Refer to the front and back silk screens on the surface of the IP21 component Select the m...

Page 72: ... Figure 3 15 Installing the IP21 component End 3 2 3 3 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 Figure 3 16 Connecting a UPS and an ambient T H sensor The ambient T H sensor can be used as a battery temperature sensor End ...

Page 73: ...User Manual or PDU8000 0125 0250 0400 0630 0800 DCV8 BXA001 BCB Box User Manual 3 2 3 5 Connecting the BBB Box Connect the BBB box For details see the PDU8000 0630 1250 2000 DCV8 BGA001 BBB Box User Manual 3 2 3 6 Installing a Battery Grounding Failure Detector Procedure Step 1 Install a battery grounding failure detector For the installation method see UPS Battery Grounding Failure Detector User ...

Page 74: ...td 66 Figure 3 18 Installing a transformer Step 3 Connect cables Figure 3 19 Connecting cables 1 Signal cables between the battery grounding failure detector and the AC current 2 Signal cables between the battery grounding failure detector and the dry 3 Cables between the battery grounding failure detector and transformer ...

Page 75: ...ng failure detector and fuse End 3 2 3 7 Connecting the iBattery Procedure Step 1 Connect the COM_OUT port on the iBOX of the iBattery to the COM2 port on the monitoring interface card Figure 3 20 COM2 port End 3 2 3 8 Installing the Top Air flow Cabinet Procedure Step 1 Install the Top Air flow Cabinet For the installation method see UPS5000 200 kVA 800 kVA Top Air flow Cabinet User Manual Step 2...

Page 76: ...00 S 600 kVA User Manual Three phase Three wire 3 Installation Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 68 Figure 3 21 Installing a transformer Step 3 Connect the power cable and signal cable ...

Page 77: ...00 S 600 kVA User Manual Three phase Three wire 3 Installation Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 69 Figure 3 22 Connecting the power cable and signal cable of the top air flow cabinet ...

Page 78: ...Copyright Huawei Technologies Co Ltd 70 Figure 3 23 Connecting the power cable of the top air flow cabinet to the UPS End 3 2 3 9 Installing a Cable Entry Cabinet Procedure Step 1 Remove the side panel from the bypass cabinet Step 2 Secure the base of the cable entry cabinet based on holes ...

Page 79: ...uawei Technologies Co Ltd 71 Figure 3 24 Mounting hole dimensions unit mm Step 3 Install cabinets side by side Figure 3 25 Installing cabinets side by side During the installation you can carefully lay down the cable entry cabinet and move it Step 4 Install the side panels for the cable entry cabinet ...

Page 80: ...kfeed Protection Card Prerequisites The shunt release needs to match the circuit breaker and the operating voltage range includes the 53 5 V DC Procedure Step 1 Remove the cover from the optional card subrack on the control module Install a backfeed protection card Figure 3 26 Backfeed protection card Figure 3 27 Installation position Step 2 Connect cables ...

Page 81: ...es to prevent cable scraps from entering the cabinets Cable scraps may cause ignition during power on and result in personal injury and device damage After installing cables clean the cabinet top bottom copper bar wiring positions and other positions Ensure that there is no dust or scraps inside and around cabinets Prepare terminals onsite The length of the copper wire should be the same as that o...

Page 82: ...gure 3 29 Preparing a cable terminal outside the cabinet Choose an appropriate cabling route based on the actual situation The figure is for reference only Step 4 Connect the cable with a crimped terminal to the corresponding copper bar Step 5 Clean foreign matter inside the cabinet End 3 2 5 Routing Cables Context This section introduces the dual mains scenario If single mains is used you do not ...

Page 83: ... Co Ltd 75 Figure 3 30 Removing the covers of the power distribution subrack Step 2 Remove the covers from the top of the bypass cabinet based on the cable route and cable dimensions Figure 3 31 Removing the top cable covers 1 Power cable covers 2 Signal cable hole Step 3 Remove the rear cover from the bypass cabinet ...

Page 84: ...power sources Properly keep the removed copper bars and bolts Optional If copper bar protective covers are installed for the bypass cabinet remove the protective covers and then the connecting copper bars The protective covers need to be reinstalled after the connecting copper bars are removed Figure 3 32 Removing the connecting copper bars Step 5 Connect a ground cable to the UPS If you do not gr...

Page 85: ...tput power cables bypass input power cables and battery input cables When connecting cables tighten bolts from inside out to secure cables Before cable connections ensure that all external input switches are OFF Paste warning labels to prevent operation on the switches Connect input power cables to the UPS and then to customer equipment Figure 3 33 Ground cable Step 6 Connect the mains input power...

Page 86: ...ue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 78 Figure 3 34 Connecting the mains input power cables Step 7 Connect the output power cables After you connect output power cables if loads are not ready to be powered insulate the end of the system output power cable ...

Page 87: ...t Huawei Technologies Co Ltd 79 Figure 3 35 ConnectingAC output power cables Step 8 Connect the bypass input power cables Perform this step only when the mains input and bypass input use different power sources Figure 3 36 Connecting the bypass input power cables Step 9 Connect the battery cables ...

Page 88: ...serious injury Observe safety precautions when connecting cables Ensure that cables are correctly connected between battery strings and the battery switch and between the battery switch and the UPS Avoid inverse connections Figure 3 37 Connecting battery cables Step 10 Route signal cables Bind cables to the cabinet Bind signal cables and power cables separately ...

Page 89: ...Remote EPO Huawei does not provide the EPO switch or cable If the cable is required the recommended cable 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 e...

Page 90: ...e the jumper between EPO_NC and EPO_12V before connection When the EPO switch is turned off EPO is triggered When the EPO switch is in the NO state ensure that the jumper is connected between EPO_NC and EPO_12V When the EPO switch is turned on EPO is triggered 3 2 7 Connecting Communications Cables Procedure Step 1 Connect the external network management device to the RS485 port Step 2 Connect the...

Page 91: ...allation 3 3 1 Connecting Power Cables Procedure Step 1 Ground each UPS in a parallel system separately and connect power cables and battery cables Step 2 Choose a parallel mode and connect cables to the parallel system based on site requirements Figure 3 41 Conceptual diagram of a 1 1 parallel system Connect power cables according to port silk screen ...

Page 92: ...1 1 parallel system 1 Mains input power cables 2 Bypass input power cables 3 Battery cables 4 Output power cables The length and specifications of power cables on each UPS must be the same to achieve current equalization in bypass mode The power cables include bypass input power cables and UPS output power cables Figure 3 43 Conceptual diagram of a dual bus system ...

Page 93: ...r a dual bus parallel system 1 Mains input power cables 2 Bypass input power cables 3 Battery cables 4 Output power cables End 3 3 2 Connecting Signal Cables Connecting Signal Cables to a Parallel System Connect the parallel ports on the UPSs over parallel cables to create a loop Figure 3 45 and Figure 3 46 show the wiring principle for an N X parallel system ...

Page 94: ...td 86 Figure 3 45 N X parallel system topology Figure 3 46 shows only the CM which stands for the UPS Figure 3 46 Signal cable connections of N X parallel system BSC master and slave cables are required in a dual bus parallel system Figure 3 47 shows the cable connections for a dual bus system containing two master systems ...

Page 95: ...Huawei Technologies Co Ltd 87 Figure 3 47 Connecting signal cables to a dual bus system Connecting Other Signal Cables Connect signal cables for each UPS 3 4 Installation Verification If the check results of listed items 8 and 9 in Table 3 9 do not meet the acceptance criteria the UPS may be damaged ...

Page 96: ...ted For the cables secured by screws the spring washers are flattened 07 Grounding The resistance between the UPS ground bar and the equipment room ground bar is less than 0 1 ohm 08 AC phase sequence For a single UPS the mains input bypass input and output phase sequences are correct For a parallel system the phase sequences of each UPS must be consistent 09 Battery cable connections The battery ...

Page 97: ...g cables and checking cable connections use sealing putty to fill in the gap between the cables and the cabinet 2 After verifying the installation reinstall all the covers 3 Do not remove the dustproof cover before power on to prevent dust inside the UPS Figure 3 48 Checking foreign matter 1 Top 2 Copper bars 3 Bottom Figure 3 49 Fill the holes with sealing putty 1 Paper protective film 2 Sealing ...

Page 98: ...UPS5000 S 600 kVA User Manual Three phase Three wire 3 Installation Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 90 Figure 3 50 Dustproof cover ...

Page 99: ...ided in this document correspond to the monitor display module MDU version V300R001C95SPC501 and are for reference only The LCD screen is divided into three parts status bar alarm bar and information area Figure 4 1 Main Menu screen Table 4 1 Main screen description Number Area Function 1 Status bar Displays the UPS model capacity configuration current date and time USB flash drive status and buzz...

Page 100: ...ge 3 Information area Displays the power flow as well as key information such as load and battery information Tap the Bypass Mains Battery and Load icons to view details Table 4 2 describes the functions of common buttons Table 4 2 Functions of common buttons Button Function Returns to the main screen Scrolls the page down Scrolls the page up Returns to the upper level menu Logs a user out 4 1 2 S...

Page 101: ...tem Info tap the UPS picture to access the Module Data screen On the Module Data screen select a module to view its running data indicates the selected module Figure 4 3 Module Data 4 1 2 2 Runn Info Screen On the System Info screen tap to access the Runn Info screen On this screen AC Output UPS Load Mains Input and Bypass Input can be queried Figure 4 4 Runn Info 1 ...

Page 102: ...2 20 Copyright Huawei Technologies Co Ltd 94 Figure 4 5 Runn Info 2 AC Output Figure 4 6 AC Output Item Description Line voltage V AC output line voltage Current A AC output current Power factor Proportion of output active power to output apparent power Frequency Hz AC output frequency ...

Page 103: ...ual power to rated power Crest factor Proportion of the peak value of load current to the valid value Active power kW Output active power of each phase on the UPS Apparent power kVA Output apparent power of each phase on the UPS Reactive power kvar Output reactive power of each phase on the UPS that is square root of the difference between the square of output apparent power and the square of outp...

Page 104: ...Mains input current Power factor Proportion of the mains input active power to the mains input apparent power Frequency Hz Mains input frequency Bypass Input Figure 4 9 Bypass Input Item Description Line voltage V Bypass input line voltage Current A Bypass input current Power factor Proportion of the bypass input active power to the bypass input apparent power Frequency Hz Bypass input frequency ...

Page 105: ...g Float charging Hibernating discharging or Not chg or dis Voltage V Voltage of the battery string Current A Current of the battery string the current is when batteries are being charged and when discharged Temperature C Battery operating temperature A battery sensor is required If the sensor is not installed NA is displayed Backup time min Battery backup time estimated at the current load Remaini...

Page 106: ...e h Time for which the UPS runs in bypass mode Inv runtime h Time for which the UPS runs in inverter mode The value must be an integer For example If the value is less than 1 the value takes 0 If the value is greater than or equal to 1 and less than 2 the value takes 1 Environment Data Figure 4 12 Environment Data Item Description Ambient Temperature measured by the ambient temperature and humidit...

Page 107: ... not installed the data uploaded by the bypass module is displayed Ambient humid Humidity measured by the ambient temperature and humidity sensor If the sensor is not installed NA is displayed Battery Detailed Data Figure 4 13 Battery Detailed Data The N in String N Battery Data should be less than or equal to 4 Figure 4 14 Batt String Data This screen displays the voltage current SOC and SOH of e...

Page 108: ...gies Co Ltd 100 Figure 4 15 String N Battery Data This screen displays the temperature voltage internal resistance current SOC and SOH of a single battery in the battery string and the mapping between the iBOX and iBAT 4 1 2 3 Alarms Screen Tap on the System Info screen to enter the Alarms screen Figure 4 16 Alarms ...

Page 109: ...e Alarms Historical Alarms Figure 4 18 Historical Alarms Buzzer Off Two buzzer menus are available Buzzer On If this selection is enabled when a critical alarm a minor alarm or a certain warning is generated the buzzer is activated Buzzer Off If this selection is enabled the buzzer is muted If the buzzer is enabled Buzzer Off is displayed on the operation screen ...

Page 110: ...opyright Huawei Technologies Co Ltd 102 Figure 4 19 Buzzer Off screen Clear Faults Figure 4 20 Clear Faults 4 1 2 4 Settings Screen On the System Info screen tap to access the Settings screen If a user is not currently logged in a dialog box will display for entering a user name and password ...

Page 111: ...er Interface Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 103 Figure 4 21 Settings screen 1 Figure 4 22 Settings screen 2 Comm Settings On the Settings screen tap Comm Settings to access the Comm Settings screen Figure 4 23 Comm Settings screen 1 ...

Page 112: ...he MDU is connected to a computer through a LAN switch or router with the DHCP function the IP address can be allocated manually or automatically Manual allocation is used by default Manual Check that their IP addresses are two different values on the same network segment Set the UPS IP address to be in the same subnet as the PC IP address Perform the bitwise AND operation for the UPS IP address a...

Page 113: ...you restart the device IP address allocation changes back to Manual The IP address is set to the IP address set previously Ensure that the UPS IP address is unique on the network segment Otherwise the WebUI display function may not function properly Item Description Default Value Value Range IP address Specifies the IP address for the Ethernet 192 168 0 10 1 0 0 0 223 255 2 55 255 Subnet mask Spec...

Page 114: ...itions onsite 9600 9600 19200 115200 Parity mode Verify the validity of RS485 communication characters When a device node adopts RS485 communication ensure that the parity modes for the device nodes are set to the same mode None None Odd Even Stop bit Stop bit in the Modbus communication frame format When the UPS is connected over the serial port Modbus set this parameter based on the frame format...

Page 115: ... If Modbus TCP is used for communication communication links do not implement encryption or implement encryption based on the selected encryption mode Enable Disable Enable On the Comm Settings screen tap Amb T H Sensor The Amb T H Sensor screen is displayed Figure 4 28 Amb T H Sensor Item Description Default Value Value Range Start address 32 32 44 Quantity Number of cascaded ambient temperature ...

Page 116: ...gs screen tap Batt Temp Sensor The Batt Temp Sensor screen is displayed Figure 4 29 Batt Temp Sensor Item Description Default Value Value Range Start address 16 16 28 Quantity Number of cascaded battery temperature sensors 0 0 4 On the Comm Settings screen tap BMU The BMU screen is displayed Figure 4 30 BMU Item Description Default Value Value Range ...

Page 117: ... The WiFi Settings screen is displayed Figure 4 31 WiFi Settings Item Description Default Value Value Range SSID When using the mobile app for site setup or inspection set WiFi SSID after connecting a WiFi module over a USB port to identify the WiFi device to which the mobile phone is connected UPS_WIFI Last six characters of the MAC address N A Password The password for accessing WiFi Changeme N ...

Page 118: ...e ECO voltage range In ECO mode when the difference between the bypass voltage and the rated voltage is greater than this value the system determines that the ECO voltage is abnormal and transfers to normal mode 5 5 to 10 BSC mode If the system is a dual bus system that consists of Huawei UPSs set this parameter to Standard BSC mode A dual bus system consists of the master and slave BSC systems Yo...

Page 119: ...sable Disable Enable Air filter maintenance period d Specifies the rack air filter maintenance interval If it is set to 0 there is no reminder 0 0 365 Intra rack power module start delay s These two parameters enable the UPS to control the interval that each rack or module transfers from battery mode to normal mode which reduces the impact on the generator or power grid In the case of battery unde...

Page 120: ... and ensures that batteries work reliably and securely If a short distance battery temperature sensor is configured set NTC to Enable Disable Disable Enable Figure 4 34 System Settings 3 Item Description Default Value Value Range System no supply BCB break Indicates whether the BCB trips when the system stops supplying power and the output power is off Disable Disable Enable Input Settings On the ...

Page 121: ...the input PDC The UPS enters the D G mode when a D G is detected over dry contacts Disable Disable Enable Input cur limiting Specifies whether to enable or disable input current limiting to protect generators Disable Disable Enable Output Settings On the Settings screen tap Output Settings The Output Settings screen is displayed Figure 4 36 Output Settings Item Description Default Value Value Rang...

Page 122: ... uninterruptible transfer from normal mode to bypass mode 400 0 380 V 361 0 399 0 400 V 380 0 420 0 415 V 394 2 435 7 420 V 399 0 441 0 480 V 470 4 489 6 Output frequency Hz The value for the system output frequency 50 50 60 Output freq track rate Hz s This parameter can be adjusted based on site requirements If Output freq track rate Hz s is slow the inverter frequency is different from the bypas...

Page 123: ...s not normal and that the bypass is unavailable When the voltage level is 380 V the default value is 15 When the voltage level is 400 V the default value is 15 When the voltage level is 415 V the default value is 10 When the voltage level is 420 V the default value is 10 When the voltage level is 480 V the default value is 10 10 15 20 25 Minimum bypass voltage When the difference between the bypas...

Page 124: ... battery parameters note the following Battery string sharing is unavailable when Single Parallel is set as Single Battery string sharing affects the actual charge current and the estimated discharge time An incorrect setting will cause a high or low charge current which may damage the batteries An incorrect estimated discharge time may cause a data backup fault Retain default settings for Chg cur...

Page 125: ...l conditions Currently only lead acid batteries are supported N A N A Single battery voltage V Specifies the voltage of each battery that is connected in the battery string in series 12 2 6 12 Single battery capacity Ah Specifies the capacity of each battery that is connected in the battery string in series 600 5 9999 Batteries in a battery string Specifies the number of batteries in a battery str...

Page 126: ...f the battery capacity 0 10 0 05 0 15 Cell float voltage V cell Specifies the battery float charging voltage 2 25 2 23 2 30 Cell equalized volt V cell Specifies the battery equalized charging voltage 2 35 2 30 2 40 Dis cur 0 1C EOD V cell Specifies the EOD threshold when the discharging current is 0 1C 0 3C 0 5C and 1 0C respectively 1 80 1 80 1 90 Dis cur 0 3C EOD V cell 1 80 1 80 1 90 Dis cur 0 ...

Page 127: ...scription Default Value Value Range any mode iBOX Settings If iBOX is configured set the parameters in this section by referring to the document delivered with the iBOX On the Settings screen tap iBOX Settings The iBOX Settings screen is displayed Figure 4 41 iBOX Settings Figure 4 42 Basic Param Item Description Default Value Value Range ...

Page 128: ... the northbound device queries iBOX data 0 0 124 Figure 4 43 Advanced Param Item Description Default Value Value Range Current source Specifications of the Hall effect sensor used to detect iBOX current Hall sensor 200A Hall sensor 200A Hall sensor 600A Hall sensor 1500A BCB connects to iBOX Specifies whether the BCB connects to the iBOX Disable Disable Enable Batt abnormal BCB trip Specifies whet...

Page 129: ...e disabled After a dry contact card is enabled its dry contact signals can be displayed on the LCD Disable all the dry contacts for a dry contact card that is not connected and all the dry contacts that are not used to prevent false alarms encloses a unit and encloses silk screen Specify dry contact settings on the following cards Dry contact card MUE05A provides dry contact signals for the batter...

Page 130: ...nals On the Settings screen tap Dry Contact Set The Dry Contact Set screen is displayed Figure 4 46 Dry Contact Set 1 Figure 4 47 Dry Contact Set 2 Item Description Default Value Value Range MUE05A connection MUE05A connection status Independent input signals can be enabled only when this parameter is set to Enable Disable Disable Enable Batter ground fault BTG Enable or disable the battery ground...

Page 131: ...or disable PDC output circuit breaker monitoring Disable Disable Enable PDC maintenance breaker MT Enable or disable PDC maintenance circuit breaker monitoring Disable Disable Enable BP SYSMT Switch If the BP SYSMT switch is set to Enable the port has dry contact signal access Using the port depends on the status of the BP SYSMT switch Disable Disable Enable SPD SYSOUT Switch If the SPD SYSOUT swi...

Page 132: ... 600 kVA User Manual Three phase Three wire 4 User Interface Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 124 Figure 4 49 Dry Contact Set 4 Figure 4 50 Dry Contact Set 5 Figure 4 51 Dry Contact Set 6 ...

Page 133: ...m Bypass mode Battery mode Low batt volt Low battery SOC Abnormal mains Sys maint breaker enable Sys outp breaker enable Maint breaker closed No power supplied Mains supplies power ECO mode Battery test Batt Volt Below Thres Backup time 0 5 h Backup time 1 h Backup time 1 5 MUS05A DO_2 Corresponds to signal of the output dry contact DO_2 on the MUS05A Minor alarm MUS05A DO_3 Corresponds to signal ...

Page 134: ... of the output dry contact DO_5 on the MUE07A None h Backup time 2 h Backup time 2 5 h Backup time 3 h MUE07A DI_1 to DI_5 Corresponds to signal of the input dry contact DI on the MUE07A None None Door alarm Water alarm User Settings Set the date and time correctly Incorrect time display in running and alarm information would lead to analysis errors during maintenance or repair Figure 4 53 User Se...

Page 135: ...assword complexity check If the password complexity check is disabled the user password is required to be a string of six to eight digits If the password complexity check is enabled the password is required to be a string of 6 20 characters and contain at least two types of characters Enable Disable Enable 4 1 2 5 Maintenance Screen On the System Info screen tap to display the Maintenance screen T...

Page 136: ...upply no power A proportion of battery capacity will discharge during battery maintenance This reduces the discharge time before the next charge Do not perform battery maintenance when a D G is connected Perform battery maintenance periodically to increase the battery lifespan and improve the UPS reliability Battery maintenance includes Forced Equalized Charging Shallow Dis Test and Capacity Test ...

Page 137: ...m equalized charging on batteries Shallow Dis Test Partially discharge batteries A shallow discharge test can be conducted to test the battery loop reliability and short time discharge capacity when the batteries have not discharged for a long time Capacity Test Fully discharge batteries A deep discharge test is conducted to obtain the battery discharge performance data USB Operations Figure 4 58 ...

Page 138: ...0 Copyright Huawei Technologies Co Ltd 130 Figure 4 59 USB Operations screen 2 Inv ON and Inv OFF Menus Use the LCD to start and shut down the inverter Before the inverter starts the system asks for confirmation to prevent misoperations Figure 4 60 Inv ON screen Figure 4 61 Inv OFF screen ...

Page 139: ...is function Clear faults before performing ECM active standby switchover After an ECM is inserted active and standby switchover is supported only after the ECM is configured and starts working properly about 30 seconds If the ECM to be maintained is still working perform ECM active standby switchover on this screen a dialog box is displayed for you to confirm this operation After performing active...

Page 140: ...ion Reset Restart a iBAT or a iBOX Blink Make the red indicator on the iBAT start or stop blinking super fast Internal resistance Measure the battery internal resistance If the condition for measuring internal resistance is met batteries are fully charged you can tap Measure to start measuring the internal resistance of the selected iBAT in a iBOX NOTE The interval between two measurement operatio...

Page 141: ...onitoring version and power version To view version details tap Version Info Figure 4 65 About 4 1 3 System Status Screen On the System Status to view the mains input bypass input load and battery information Figure 4 66 System Status 4 1 4 Common Functions Screen On the Common Functions to query the AC output UPS load and mains input information start or shut down the inverter control the buzzer ...

Page 142: ...Figure 4 67 Common Functions 1 Figure 4 68 Common Functions 2 4 2 WebUI 4 2 1 Login Context Internet Explorer 11 is used as the example browser Procedure Step 1 Open the browser and choose Tools Internet Options Step 2 On the Advanced tab page ensure that Use TLS 1 0 and Use TLS 1 1 are selected and click OK as shown in Figure 4 69 ...

Page 143: ...le 4 4 describes the system users The preset UPS IP address is 192 168 0 10 You can set the UPS Ethernet IP address on the LCD or WebUI The value range is 1 0 0 0 223 255 255 255 Table 4 4 User description Default User Preset Password User Rights admin system administrator LCD 000001 Performs all operations on the LCD and WebUI including system running information browsing system information histo...

Page 144: ...s shuts down the inverter rectifies faults and controls the buzzer Other control and maintenance functions that may affect system operation are invisible and parameters cannot be set WEB Changeme browser browsing user WEB N A Only browses the system running information If an incorrect password is entered five consecutive times the account will be logged out for 5 minutes After a user logs in to th...

Page 145: ... range Table 4 5 Monitoring page details Number Area Function 1 Running status area Displays the power flow and UPS running information 2 Menu bar Displays alarms and real time data sets parameters and provides control commands The Active Alarms page is displayed by default 3 Information area Displays system monitoring information 4 2 2 1 Active Alarms Page The Active Alarms page details active al...

Page 146: ...stem Setting Item Description Default Value Value Range High ambient temperature alarm threshold C An alarm is generated when the ambient temperature reaches or exceeds the threshold specified by this parameter 55 40 60 Low ambient temperature alarm threshold C An alarm is generated when the ambient temperature is lower than the threshold specified by this parameter 10 20 to 0 EPO detection Indica...

Page 147: ...f this parameter is set to Enable the system can enter ECO bypass mode when the D G supplies power to the bypass and the ECO function is enabled If this parameter is set to Disable the system is not allowed to enter ECO mode when the D G supplies power to the bypass Enable Disable Enable RAM verification Enable or disable the memory check function If this parameter is set to Enable the control chi...

Page 148: ...e Enable Output interruption transfer time ms The interruption for the UPS to transfer from normal mode to bypass mode is 1 2 ms and from bypass mode to normal mode is 0 20 ms Set this parameter based on the output interruption time acceptable to loads 0 0 40 60 80 100 120 Max BPM transfer times Cross currents occur during the transfer between bypass mode and normal mode which impacts the system T...

Page 149: ... to Enable the power module power unit performs inverter capacitor fault detection based on the settings of Capacitor failure detection upper limit and Capacitor failure detection lower limit If the power module determines that the inverter capacitor is faulty it shuts down the inverter to prevent the fault from expanding Disable Disable Enable Table 4 9 Bypass Setting Item Description Default Val...

Page 150: ...to start equalized charging If the SOC is lower than the specified value batteries start equalized charging 70 0 100 Scheduled equalized charging interval d After batteries transfer from equalized charging to float charging if the batteries do not discharge equalized charging starts only after the float charging time reaches Equalized charging protection interval After equalized charging is comple...

Page 151: ...ery string have the same charge voltage and discharge voltage When a value exceeds the specified range an alarm is generated The calculation formula is Charge Discharge voltage Average voltage Average voltage x 100 10 5 30 Single batt dis voltage deviation alarm thres 20 10 30 Batt charging capacity mismatch After this function is enabled an alarm is generated if the configured battery capacity ex...

Page 152: ... Threshold and the battery voltage is lower than this threshold the output dry contact will output signals 1 70 1 70 2 10 4 2 2 4 Comm Config Page Open the Comm Config page to set communications information Figure 4 74 Comm Config 4 2 2 5 iBOX Settings page Open the iBOX Settings Screen to set basic parameters advanced parameters and battery string configurations Figure 4 75 iBOX Settings 4 2 2 6 ...

Page 153: ...cal Alarms On the homepage click the Query tab to open the Historical Alarms page for querying historical alarms based on severity generation time and clear time Figure 4 77 Historical Alarms 4 2 3 2 Logs On the Logs page you can set Log to Historical logs Cap test logs or Common test logs and query or export logs Historical logs can be exported but not queried Figure 4 78 Logs ...

Page 154: ...aracters and can contain only uppercase and lowercase letters digits and underscores The password contains 6 to 20 characters and at least two types of uppercase letters lowercase letters digits and underscores If the LUI password complexity check is disabled the user password is required to be a string of six to eight digits If the password complexity check is enabled the user password is require...

Page 155: ... required when sending a mail and click Test to check whether the test email can be received Configure Alarm Notification Server is used to configure a server for receiving alarm emails from the monitoring system Set Email and Alarm Severity and simulate an alarm Check that the alarm email can be received Configure Alarm Notification Email Address is used to configure the email address for receivi...

Page 156: ...e SSL encrypted transmission set on the page of the UPS5000 monitor display module MDU must be the same as the setting on the RCCMD client SSL Encrypted Transmission is set to Enable by default as shown in Figure 4 83 If it is set to Disable the RCCMD certificate controls will not be displayed on the page as shown in Figure 4 84 If SSL Encrypted Transmission is set to Disable a message indicating ...

Page 157: ...igure 4 83 SSLencrypted transmission enabled by default Figure 4 84 SSLencrypted transmission disabled Event Configuration The MDU supports 17 alarm events and a maximum of 50 jobs can be added for each event as shown in Figure 4 85 Figure 4 85 shows the buttons on the Event Configuration page and Table 4 11 describes these buttons ...

Page 158: ...nding all You can view all jobs of all events by clicking this button 2 Button for expanding one event You can view all jobs of the event by clicking this button 3 Button for adding one job You can add one job for the event by clicking this button 4 Button for adding one job for events Select multiple events and you can add one job for the selected events at the same time by clicking this button 5...

Page 159: ...on for test If you click this button the job will be performed and a message showing test succeeds or fails will be displayed on the page Adding one job for one event Select one event for example Inverter on click the button for adding one job and the page for adding a job for the event is displayed When adding a job the job types to be selected are RCCMD Shutdown RCCMD Message RCCMD Execute and R...

Page 160: ...ssage Specify the RCCMD client IP address port and message to be conveyed The RCCMD client will receive the message For example enter This is a test message Figure 4 88 RCCMD message RCCMD Execute Specify the RCCMD client IP address port and command to be executed For example enter SHUTDOWN and the RCCMD client will shut down the computer after receiving the command ...

Page 161: ...P message to all connected RCCMD clients based on the sending mechanism If you want to define the TRAP message by yourself you can use the TRAP signal to display the UPS information For example if you enter INVOLT V the RCCMD client will receive the UPS input voltage value for example single phase 220 V three phase A 220 V B 220 V C 220 V Table 4 13 lists the signal names that can be entered Figur...

Page 162: ...ttery voltage times N A INPHASES Input phases N A OUTPHASES Output phases N A When you add a job five sending methods are available The latter three methods can take effect only when the event condition is still true after the specified seconds Immediately once After the event happens the job will be sent to the RCCMD client immediately Scheduled in X seconds After the event happens the job will b...

Page 163: ...e RCCMD certificate RCCMD certificate key and RCCMD CA certificate can be uploaded as shown in Figure 4 91 If the RCCMD certificate or RCCMD CA certificate is not uploaded the default certificate provided by the system is used for communication After the certificate is uploaded successfully click Submit The WebUI of the MDU will restart and the uploaded certificate will be used for communication F...

Page 164: ...m administrator of the MDU for access rights and add the NMS information to the NMS access list of the MDU The NMS address and access right settings are used for adding information about the NMS accessing the MDU including the NMS address access right and Trap port For details about how to add an NMS over a web browser see Figure 4 93 Figure 4 93 Setting the SNMP Trap Managing the UPS Take the UNM...

Page 165: ... 2 5 Maint Page Non professional engineers should exercise caution when operating the maintenance page On the homepage click the Maint tab to open the Maint page Maintenance functions include calibration commissioning variables upgrade and downloading data Figure 4 94 Calib Figure 4 95 Commissioning Var Figure 4 96 Upgrade Software ...

Page 166: ...essage to the RCCMD client if the UPS system generates an alarm executes commands on the RCCMD client Receives the message UPS alive check sent by the RCCMD client and replies with the system status Configures and saves the address and port for receiving the shutdown command and the message sending mechanism For the method of installing the RCCMD client see the manual related to the RCCMD 4 2 6 2 ...

Page 167: ... on the server WebUI Step 4 Configure events If you set the job type to RCCMD Message under Inverter on specify the IP address and port of the RCCMD client The port is 6003 by default If you need to modify the port modify the port on the RCCMD client at the same time to keep them the same Enter the message to be sent and set the message sending mechanism For example set it to Immediately once Step...

Page 168: ... check whether the UPS and RCCMD communicate properly the RCCMD can receive messages sent by the MDU Procedure Step 1 On the RCCMD client add the IP address of the MDU that detects heartbeat as shown in Figure 4 100 Step 2 The UPS5000 MDU supports both ways of heartbeat detection If the job configured for the MDU event is set to RCCMD TRAP the RCCMD client needs to be set to by the use of CS121 UP...

Page 169: ... User Manual Three phase Three wire 4 User Interface Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 161 Figure 4 101 Detecting heartbeat manually Figure 4 102 Detecting heartbeat manually and successfully End ...

Page 170: ...AC voltage system 192 528 V AC line voltage Frequency range 40 70 Hz Context The following operations are applicable to a single UPS For parallel systems contact Huawei technical support Before powering on the UPS ensure that the UPS has passed all check items in the section Installation Verification Before powering on the UPS ensure that all the external switches are OFF Procedure Step 1 Close th...

Page 171: ...arch for the UPS_WIFI signal and connect to the WiFi signal The password is Changeme b Set the Site and Device Type as required and connect the device Set IP to 192 168 0 10 Port to 443 Username to admin Password to Changeme and click Login c After login tap Power on password activation on the screen A message is displayed indicating whether to start the UPS Tap OK Offline Startup a Set Site and D...

Page 172: ...ischarge time Figure 5 1 Settings Wizard Set the time and date correctly Incorrect time and date will cause false fault analysis during maintenance or repair After you set network parameters connect the UPS to the network over a network cable which enables you to remotely manage the UPS If you do not need remote management retain the default network parameter settings Step 2 Optional On the LCD of...

Page 173: ...to the remote EPO switch you need to choose Monitoring Param Settings System Settings on the WebUI and check that EPO detection is set to Enable Step 4 View the system running diagram on the MDU to check that the UPS is working in bypass mode End 5 1 3 Starting the Inverter Starting the UPS on the LCD Step 1 Choose Common Functions Inv ON You can also start the inverter by choosing System Info Mai...

Page 174: ...igure 5 2 Setting the Internet options Step 3 In the address box of the browser enter https UPS IP address Step 4 Enter the correct user name and password and click Login Figure 5 3 Logging in to the WebUI Step 5 On the home page of the WebUI choose Monitoring Control click Inv ON and confirm the operation to start the inverter ...

Page 175: ...e alarm disappears Check that the UPS has transferred to normal mode by viewing the system running diagram Check that the UPS three phase output voltage and frequency are normal by choosing System Info Runn Info AC Output on the MDU Use a multimeter to check that the valid three phase output voltage and frequency are normal Step 2 After confirming that the battery strings are properly connected cl...

Page 176: ...Shutting Down and Powering Off the UPS Context After the inverter is shut down if the bypass is normal the UPS transfers to bypass mode if the bypass is not normal the 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 a On the main screen tap Common Functions Tap Inv OFF b If no user is logged in enter a user ...

Page 177: ...enter the UPS IP address in the address box b On the login page select a display language enter a User name and Password and click Login c On the homepage choose Monitoring Control and click Inv OFF In the displayed dialog box click OK to shut down the inverter Figure 5 7 Shutting down the inverter After the inverter shuts down the UPS works in bypass mode if the bypass is normal the UPS supplies ...

Page 178: ... to shut down the inverter and transfer the UPS to bypass mode check that the UPS has not generated an alarm and perform Step 1 Step 2 After the inverter shuts down open the external output switches Step 3 Open the battery string circuit breaker If there are multiple battery strings open the general circuit breaker between battery strings and the UPS and then open the circuit breaker for each batt...

Page 179: ...ly Step 4 Press and hold down the BATT START button on the bypass module for at least 2 seconds The system automatically enters the battery cold start status The LCD displays the Huawei logo and an initialization progress bar Step 5 After LCD initialization start the inverter End 5 4 Transferring to Bypass Mode Before shutting down the inverter ensure that the bypass is normal If the bypass is not...

Page 180: ...O mode ensure that the bypass module works properly Procedure Step 1 Manually shut down the inverter to transfer the UPS to bypass mode Step 2 Set Working mode to ECO Select a value from the ECO voltage range drop down list box Information indicating that the UPS works in ECO mode is displayed on the LCD Figure 5 10 Setting ECO Step 3 Manually start the inverter After the inverter starts the UPS s...

Page 181: ...enance Battery Maint Step 2 Tap Start next to Forced Equalized Charging to start a forced equalized charging test Figure 5 11 Starting a forced equalized charging test The forced equalized charging test automatically stops in any of the following cases The forced equalized charging test duration reaches the forced equalized charging protection time 12 24 h 18 h by default The UPS generates a batte...

Page 182: ...ired After setting is complete the system will perform automatic shallow discharge tests based on the settings End Manual Shallow Discharge Test Step 1 On the home screen of the LCD choose System Info and tap to access the Maintenance screen Step 2 On the Maintenance screen tap Battery Maint Step 3 Tap Start next to Shallow Dis Test to start a shallow discharge test Figure 5 12 Starting a shallow ...

Page 183: ...verload alarm is generated Procedure Step 1 On the home screen of the LCD choose System Info Maintenance Battery Maint Step 2 Tap Start next to Capacity Test to start a capacity test Figure 5 13 Starting a capacity test The capacity test automatically stops in any of the following cases The battery discharge voltage reaches the end of discharge EOD voltage plus 0 01 V The load fluctuation exceeds ...

Page 184: ...n queried from the Log drop down list box and click Export End 5 7 Performing EPO 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 card or remove the 4 pin terminal on the EPO port of the dry contact ca...

Page 185: ...lear the EPO alarm On the LCD On the LCD choose System Info Alarms and tap Clear Faults In the displayed dialog box tap Yes The EPO alarm is cleared successfully Figure 5 16 Clearing faults On the WebUI Choose Monitoring Control System Commands and Tests and click Clear Fault The EPO alarm is cleared successfully Figure 5 17 Clearing faults Step 3 Check that the EPO alarm is cleared by viewing act...

Page 186: ... Start the inverter End 5 9 Exporting Data Prerequisites You have logged in to the WebUI Context The following data can be exported Historical alarms Logs E Label iBOX version Fault Data This topic describes how to export historical alarms Procedure Step 1 Choose Query Historical Alarms and set Severity Generated and Cleared Figure 5 18 Historical alarms You do not need to query logs Choose Query ...

Page 187: ... the number is insufficient the UPS may not enter hibernation mode Context When the load power is small and stable you can shut down the inverters in some power modules so that these power modules enter hibernation mode and other power modules bear all the load power This improves the system efficiency in the case of small load power and increases the power module service life The hibernation func...

Page 188: ...ct Huawei technical support Only maintenance engineers can maintain power modules and bypass modules Maintain UPSs regularly based on the following requirements Otherwise the UPSs may fail to operate properly and the service life may be shortened 6 1 1 Monthly Maintenance Table 6 1 Monthly maintenance Check Item Expected Result Troubleshooting Operating environment Ambient temperature 0 40 C Humid...

Page 189: ...abinet surface using a white paper and the paper does not turn black Remove the dust especially from the air filter on the front door or replace the air filter Parameter configuration The configuration of the output voltage grade frequency number of batteries and battery capacity meets requirements Reset the parameters Status record Record the three phase load rate and output power factor If an ex...

Page 190: ... deterioration of some key UPS components you are advised to check the key components on a regular basis and replace them within the service life Table 6 4 Service life parameters for replaceable components and recommended replacement intervals Key Component Design Service Life Recommended Replacement Interval Power module 15 years 10 years Bypass module 15 years 10 years Fan 15 years 10 years LCD...

Page 191: ...als are allowed to perform the maintenance tasks 6 2 2 Monthly Maintenance Table 6 5 Monthly maintenance Item Expected Result Troubleshooting Battery management alarm No battery management alarm is generated Identify the cause of an alarm based on the alarm information Battery appearance 1 The surface is clean and tidy without stains 2 The battery terminals are intact 3 Batteries are free from dam...

Page 192: ...e MDU is less than 3 C 1 Install the temperature sensor in the correct position 2 Replace the battery temperature sensor Battery management parameter settings The settings of battery management parameters meet the requirements in the user manual Set parameters correctly Tightness of battery screws The location of the signs marked on battery terminals indicating tight connections does not change Ta...

Page 193: ...oting Capacity Test When the UPS is backed up discharge a battery to the undervoltage alarm threshold to refresh the capacity of the battery 1 Locate the cause when an exception is identified 2 If the fault persists contact Huawei technical support Battery connection reliability 1 Each battery terminal is connected reliably When battery strings are powered off check the reliability of each termina...

Page 194: ...f the BCB box is configured To restore battery discharge close the battery switch in the BCB box if any first 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 the inverter Close the battery switch and...

Page 195: ...side the equipment room The power module is faulty Replace the power module The charger generates an alarm The buzzer is activated 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 val...

Page 196: ...ee phase Three wire 7 Troubleshooting Issue 05 2019 12 20 Copyright Huawei Technologies Co Ltd 188 For details about component replacement and maintenance involved in Troubleshooting and Alarm List consult Huawei maintenance engineers ...

Page 197: ... D 2000 mm x 1400 mm x 850 mm Communication Supports dry contacts RS485 ports and FE ports Supports Simple Network Management Protocol SNMP Weight Net weight about 950 kg Table 8 2 Environmental specifications Item Specifications Operating temperature 0 40 C Storage temperature 40 C to 70 C Relative humidity 0 95 RH non condensing Altitude 0 1000 m When the altitude is greater than 1000 m and less...

Page 198: ...pecifications Item Specifications Input system Three phase three wire and PE does not support Δ type transformer input supports only Y type transformer input Rated input voltage 380 V AC 400 V AC 415 V AC 420 V AC 480 V AC line voltage Input voltage 380 V AC 400 V AC 415 V AC 420 V AC voltage system 0 40 C environment not derated at 304 485 V AC derated at 138 304 V AC 480 V AC voltage system 0 40...

Page 199: ... by default If there are 36 39 batteries the output power is derated to 90 If there are 30 35 batteries the output power is derated to 80 Battery management Intelligent battery management Cold start If a mains outage occurs batteries can start the UPS to supply power to loads Charger output power Under rated conditions the maximum charge power of a module is 15 kW Battery string sharing Battery st...

Page 200: ...Voltage imbalance 3 phase imbalance 120 2 Overload capability Inverter overload capability 105 load 110 transfer to bypass mode after 60 minutes 110 load 125 transfer to bypass mode after 10 minutes 125 load 150 transfer to bypass mode after 1 minute Load 150 or a short circuit occurs run for 200 ms Table 8 8 System electrical specifications Item Specifications Redundancy design The auxiliary powe...

Page 201: ...5 V AC 420 V AC voltage system If the input voltage exceeds 485 V the mains input is not normal if the input voltage is less than 471 V the sampling circuit of the power module is not normal Replace the faulty module 480 V AC voltage system If the input voltage exceeds 528 V the mains input is not normal if the input voltage is less than 514 V the sampling circuit of the power module is not normal...

Page 202: ...ins is not normal Check the mains 0004 1 Mains ph Reversed Minor Cable connections are incorrect Verify the cable connections 0006 1 Mains undervoltage Minor The mains is not normal The power module sampling circuit is not normal 380 V AC 400 V AC 415 V AC 420 V AC voltage system Check whether the input voltage ranges from 138 V excluding 138 V to 304 V If no the mains monitoring circuit for the p...

Page 203: ... are correctly installed by using a multimeter If no correct the installation 2 Check whether the battery input voltage of the UPS is normal If yes the battery sampling circuit of the power module is faulty Replace the power module 0021 1 Battery EOD Critical The battery voltage reaches the EOD voltage threshold due to continuous discharge If the BCB box is configured check whether the BCB box tri...

Page 204: ... not properly grounded The battery ground monitoring cable is faulty The dry contact board is faulty 1 Check whether the positive and negative terminals of the battery string are grounded or have sufficient resistance to the ground 2 Check whether the battery grounding failure detector is faulty by replacing it with a new one 3 If no battery grounding failure detector is available check on the dry...

Page 205: ...ctifier abnormal Critical The fan for the power module is not functioning properly The air channel for the power module is obstructed 1 Check that the air channel for the module is free from blockage 2 Check whether the fans are functioning properly Replace the power module if the fans are faulty 0043 1 Fan abnormal Critical The fan for the power module is abnormal The fan monitoring cable for the...

Page 206: ...y is closed close the bypass input circuit breaker 10 seconds later 0564 1 Overload timeout Critical The load is excessive Derating reduces the rated system power The module is damaged 1 Check that there is no overload 2 Check that the module power is not derated due to a fan fault 3 If the alarm persists replace the power module 0565 1 Load impact transfer to bypass Minor A large power RCD load i...

Page 207: ...rt circuited Only one rack works in a parallel system An ECM is faulty 1 Check the inter rack parallel system CAN bus 2 Rectify the disconnection or short circuit fault 3 Replace the ECM 0583 4 The inter rack industrial frequency synchronization cable is broken Replace the inter rack parallel cable 0583 5 The inter rack carrier synchronization cable is broken 0583 6 The intra rack INVBYP cable is ...

Page 208: ...s overloaded Check that the configured rack capacity meets requirements 0090 1 Dry contact board fault Critical I2C communication with the dry contact board MUE05A fails Replace the dry contact board MUE05A 0090 2 I2C communication with the dry contact board MUE06A fails Replace the dry contact board MUE06A 0356 Battery Mode Minor The UPS is working in battery mode The running status is displayed ...

Page 209: ...ker is ON The running status is displayed No further measures are required 0335 Generator connected Warning The generator is connected The running status is displayed No further measures are required 0594 1 Insufficient redundant racks Minor The load is excessive The configured number of redundant racks is incorrect 1 Reduce the load 2 Decrease the configured number of redundant racks 0095 1 Insuf...

Page 210: ...ectify any bypass SCR open circuit 0150 1 Inverter asynchronous Minor The bypass frequency changes fast The output frequency track rate is incorrectly set 1 Check that the bypass output frequency does not change fast 2 Check that the Output freq track rate is properly set 0101 1 BSC signal abnormal Minor The dual bus connector is loose Parameters are set incorrectly 1 Check the dual bus connector ...

Page 211: ...ations A ATS AC transfer switch AWG American Wire Gauge B BSC bus synchronization controller BCB box battery circuit breaker box BBB box battery bus bar box C CE Conformite Europeenne D DSP digital signal processing E ECO economic control operation EPO emergency power off ECM energy control module EOD end of discharge I IEC International Electrotechnical Commission ...

Page 212: ...r display unit P PC personal computer PE protective earthing PDU power distribution unit R RS485 Recommended Standard 485 S STS static transfer switch SNMP Simple Network Management Protocol 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 ...

Page 213: ...K NN Responsible Party U S Contact Information Huawei Technologies USA Inc 5700 Tennyson Parkway Suite 500 Plano Texas 75024 Main 214 919 6000 TAC Hotline 877 448 2934 FCC Compliance Statement for products subject to Part 15 This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must...

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