KEHUA TECH MR33 Series User Manual Download Page 109

Page: 109 / 123

5 Use and Operation

MR33 Series (75K-600K) Modular UPS

User Manual

5.4.3 Emergency Power Off (EPO)

Single UPS running

Press the EPO button of the UPS or the EPO button of total system, the UPS will shut down and

close all output.

Multi UPS running in parallel



EPO linkage is enabled

Press the EPO button of the UPS or the EPO button of total system, all the paralleled UPS will

shut down and close all output.



EPO linkage is not enabled

Press EPO button of one UPS, the output of this UPS will be closed.

Press the EPO button of total system, all paralleled UPS will be shut down and all output will be

closed.

Summary of Contents for MR33 Series

Page 1: ...ular UPS User Manual Remark 32K 210mm 140mm 16K 210mm 285mm 8K 420mm 285mm 130mm 150mm _______ 157g m2 100g m2 105g m2 128g m2 100g m2 _______ WI02 ET 266 _______ _______ _______ _______ Modify Figure...

Page 2: ...MR33 Series 75K 600K Modular UPS User Manual...

Page 3: ......

Page 4: ...the purchase scope or the usage scope Unless otherwise specification in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees o...

Page 5: ...Please save the manual after reading in order to consult in the future Suitable Model MR3375 MR33125 MR33200 MR33300 MR33400 MR33500 MR33600 Symbol Conventions The manual quotes the safety symbols th...

Page 6: ...mpting Provides a tip that may help you solve a problem or save time Provides additional information to emphasize or supplement important points in the main text Product standard Q ZZKJ 007 Change His...

Page 7: ...5 Safety Warning Label Setting 5 1 2 Operation and Maintenance Requirements 5 1 3 Environment Requirements 7 2 Overview 8 2 1 Product Intro 8 2 2 Features 8 2 3 Work Principle 10 2 3 1 Work Principle...

Page 8: ...3 3 3 Transportation and Unpacking 33 3 3 1 Transportation 33 3 3 2 Unpacking 35 3 4 Mechanical Installation 36 3 5 System Wiring 40 3 5 1 MR3375 MR33125 Compatible with top and bottom incoming wires...

Page 9: ...6 3 Mode Configuration 73 4 6 4 Function Configuration 75 4 6 5 Communication Setting 78 4 6 6 Debug Set 79 4 6 7 Record Manage 80 4 6 8 HMI Set 80 4 6 9 Password Set 81 4 7 Information Query 82 4 7 1...

Page 10: ...ystem 97 5 4 3 Emergency Power Off EPO 98 6 Maintenance and Troubleshooting 99 6 1 Maintenance Guide 99 6 1 1 Safety Precautions 99 6 1 2 Preventive Maintenance 99 6 2 Battery Maintenance 100 6 3 Anno...

Page 11: ......

Page 12: ...ad the announcements and operation instructions in this section carefully which is to avoid accident The DANGER WARNING CAUTION in the manual are not all the safety announcements that you must abide b...

Page 13: ...is safe Touching high voltage directly or through damp objects will lead to lethal risk During a lightning storm it is strictly prohibited to perform high voltage and AC operation as well as in the t...

Page 14: ...ase of fire please use dry power fire extinguisher If using liquid fire extinguisher it may cause electric shock No liquid or other objects are allowed to enter the cabinet Keep good ventilation Ensur...

Page 15: ...ttery If doubted please consult the manufacturer for support Battery operation must be done according to instructions Battery operation must be done according to instructions especially battery wiring...

Page 16: ...permanently Before operating please check the electric connection and ensure the device has been connected to earth reliably 1 1 5 Safety Warning Label Setting To avoid irrelevant person close to or...

Page 17: ...le connection cable labels are in accordance with the actual installation Only authorized professionals are allowed to open the UPS chassis The input and output of UPS are dangerous high voltage Touch...

Page 18: ...ation about any electronics device in explosive environment is exceeding danger while using or storing the UPS please strictly according to the environment mentioned in the manual The operation enviro...

Page 19: ...m and precision instrument of financial communication insurance transportation tax army security energy source education government enterprise etc 2 2 Features Hot swappable The power module adopts no...

Page 20: ...cannot satisfy the user s power supply requirement it will switch to inverter output and this guarantee the reliability of power supply and also save energy Manual maintenance bypass design It design...

Page 21: ...and maintenance bypass power supply mode Normal mains power supply mode When the mains normal AC power is transformed to DC power by PFC and supply power for inverter While rectifying the AC power in...

Page 22: ...verter will shut down to avoid damage automatically If mains still normal at this time it will turn to bypass to supply power for load The specific work process is as follows If the inverter circuit f...

Page 23: ...bypass breaker At this time the inner UPS has no electricity maintainer can perform the maintenance safely 2 4 Structure MR series modular UPS is mainly made up of cabinet operation panel power modul...

Page 24: ...erved Kehua Hengsheng Co Ltd 13 Figure2 3 Appearance of MR33400 MR33500 MR33600 2 4 1 Operation Panel Figure2 4 Operation panel of MR series modular UPS Table2 1 Illustration for the operation panel N...

Page 25: ...indicator On green battery low voltage 6 OVERLOAD indicator On red overload 7 ON combination button Press the two buttons for 3s the system will power on 8 OFF combination button Press the two button...

Page 26: ...Manual 2 Overview All rights reserved Kehua Hengsheng Co Ltd 15 Figure2 5 System layout diagram of MR3375 MR33125 MR33200 MR33300 bottom wiring 2 5 2 MR33200 MR33300 Top wiring Figure2 6 System layout...

Page 27: ...ar UPS User Manual 16 All rights reserved Kehua Hengsheng Co Ltd 2 5 3 MR33400 MR33500 MR33600 Figure2 7 System layout diagram of MR33400 MR33500 MR33600 open front door 2 5 4 Power Module Appearance...

Page 28: ...wer module stay in standby status 2 ALARM indicator yellow On power module input voltage abnormal fan abnormal overload etc 3 FAULT indicator red On power module fault 4 Ready switch Place the ready s...

Page 29: ...0 Appearance of bypass module Operation panel Figure2 11 Operation panel of bypass module Table2 3 Illustration for the operation panel of bypass unit NO Name Illustration 1 RUN indicator green On byp...

Page 30: ...system will start from battery status 2 5 6 System Control Box The system control box unit is as shown inFigure2 12 Figure2 12 System control box unit Table2 4 Illustration for system control box unit...

Page 31: ...user s monitor port by network wire Pin definition Pin4 Pin5 3 3V Pin1 TXP Pin2 TXP Pin3 REP Pin6 RXN Pin11 GND 2 E indicator red On communication fault 3 C indicator yellow Flicker communicating 4 R...

Page 32: ...em has N pieces of UPS the connection needs N pieces of parallel control wire to ensure every UPS has 2 parallel control wires at least to connect which is to enhance the reliability of parallel syste...

Page 33: ...4 RS232 communication port It supports RS232 communication Pin definition Pin4 Pin6 Tx Pin3 Pin5 Rx 5 MODBUS RS485 communication port The communication protocol supports MODBUS RTU or kehua standard...

Page 34: ...le withstand voltage is 250V 1A The signal can be set to bypass fault or output overload default is bypass fault Input dry contact Table2 9 Function illustration for input dry contact NO Silk screen S...

Page 35: ...ge Shut down all inverter output and turns to bypass output Inverter output over voltage Inverter output under voltage Inverter overload protection Parallel system sovereignty fault Parallel system co...

Page 36: ...he communication of cabinet inner busbar 2 abnormal The communication of cabinet inner busbar 3 abnormal BSC synchronization wire abnormal Battery low temperature alarm The static startup is not allow...

Page 37: ...ns over voltage Mains under voltage Mains voltage unbalance is too large Mains over frequency Mains under frequency Mains phase sequence is wrong Mains lack phase Mains over current Mains current DC c...

Page 38: ...and test etc The UPS installation should be performed by authorized person who is special trained and achieve the qualification of high voltage and AC power The UPS is just suitable for installing on...

Page 40: ...re that the AC input voltage and mains input wire capacity meet the UPS requirements and considering if there has current carrying capacity descending caused by wire aging The mains input voltage rang...

Page 41: ...as shown in Figure3 2 Figure3 2 Installation space unit mm The installation space requirement for the UPS is the same in above figure we take MR33400 as an example to illustrate Avoid any object bloc...

Page 42: ...95 Wire terminal model DT35 DT95 Output Output current A 114 189 Recommended wire diameter mm2 U V W N for non linear load it needs to increase the wire diameter of neutral wire 4 35 4 95 Wire termina...

Page 43: ...ent A 303 455 606 758 909 Recommended wire diameter mm2 U V W N 2 4 70 2 4 95 2 4 150 2 4 185 3 4 240 Wire terminal model DT 70 DT 95 DT 150 DT 185 DT 240 Output Output current A 303 455 606 758 909 R...

Page 44: ...GB or UL certification The wires quality is excellent and all meet the production compliance The cross sectional areas above are recommended for 5 meters long wires Longer wires require larger cross s...

Page 45: ...packing it is suggested to package the UPS with original plastic bag The UPS can be transported by motor driven forklift as shown in Figure3 3 or manual forklift as shown in Figure3 4 While lifting pl...

Page 46: ...k the external package Remove the foam pad and plastic bag and take out the accessories and built in documents Step 4 Check the UPS Inspect the appearance of the UPS and check if there has any damage...

Page 47: ...den bracket by socket wrench the bolt position is as shown in Figure3 6 Figure3 6 Bolt position End 3 4 Mechanical Installation In this section we take ground installation as an example to illustrate...

Page 48: ...e The recommended wiring groove size is as follows for MR3375 MR33125 MR33200 MR33300 A D H 650 200 300 mm for MR33400 MR33500 MR33600 A D H 245 500 300 mm Step 1 Determine and plan the installation p...

Page 49: ...ole size as shown in Figure3 10 Figure3 11 If the UPS is installed on U steel drill 4 hole hole diameter is 14 on the U steel directly and then perform Step 4 directly Figure3 10 Bottom size of MR3375...

Page 50: ...higher than ground which is to avoid effect the following cabinet installation The outer height of expansion bolts should be within the range of 30 50mm Step 4 Move the UPS from wooden bracket to the...

Page 51: ...ng There are two types of MR3375 MR33125 MR33200 MR33300 UPS with up and bottom wiring The MR33400 MR33500 MR33600 UPS are compatible with top and bottom wiring 3 5 1 MR3375 MR33125 Compatible with to...

Page 52: ...heng Co Ltd 41 Step 2 Connect the input output and battery wires according to Figure3 16 and fasten the bolts Figure3 15 Inlet and outlet schematic diagram Figure3 16 Wiring terminal It is suggested t...

Page 53: ...connection diagram Step 3 After finishing the wire connection install the bottom wiring cover plate and fill the empty party with insulation fireproofing mud then the wiring is completed Figure3 18 W...

Page 54: ...wire 1 neutral wire 2 neutral wire 4 neutral wire 5 ground wire 1 of MR3375 MR33125 Top wiring from the left side of the UPS Output wires neutral wire 3 ground wire 2 of MR3375 MR33125 Top wiring fro...

Page 55: ...er Manual 44 All rights reserved Kehua Hengsheng Co Ltd Figure3 20 Remove the sealing plate schematic diagram Step 2 Connect the input output and battery wires according to Figure3 21 and fasten the b...

Page 56: ...22 Wiring diagram It is suggested to equip DC breaker for battery DC input specific wire connection is as shown in Figure3 23 Figure3 23 Battery wire connection diagram Step 3 After finishing the wir...

Page 57: ...MR33500 MR33600 Step 1 Open the front door of distribution cabinet place the input switch POWER output switch OUTPUT maintenance switch MAINTENANCE bypass switch BYPASS to OFF as shown in Figure3 25 F...

Page 58: ...reserved Kehua Hengsheng Co Ltd 47 Figure3 26 Dismantle the wiring cover plate of distribution cabinet Step 3 Connect the input output and battery wires according to Figure3 27 in proper order and th...

Page 59: ...cables onto the front isolation beam of the cabinet shipshape It is suggested to equip DC breaker for battery DC input specific wire connection is as shown in Figure3 28 Figure3 28 Battery wire conne...

Page 60: ...600K Modular UPS User Manual 3 Installation All rights reserved Kehua Hengsheng Co Ltd 49 Figure3 29 Wiring diagram of distribution cabinet top wiring Figure3 30 Wiring diagram of distribution cabine...

Page 61: ...el system BSC PARALLEL NORMAL ALARM FAULT BSC PARALLEL NORMAL ALARM FAULT UPS 1 UPS 2 BSC PARALLEL NORMAL ALARM FAULT BSC PARALLEL NORMAL ALARM FAULT System control card System control card Figure3 31...

Page 62: ...3 Parallel system connection diagram of MR3375 MR33125 MR33200 MR33300 top wiring The wire color above is just used to distinguish the different ports the actual wire color may not be the same as show...

Page 63: ...t used to distinguish the different ports the actual wire color may not be the same as shown in the figure s Parallel system connection of MR33400 MR33500 MR33600 Figure3 35 Parallel system connection...

Page 64: ...distribution unit is complete Yes No 4 Check if the wire connection point is firmly Yes No 5 Check if the battery is connected in right polarity and sequence Yes No 6 Check if the cable identificatio...

Page 65: ...engsheng Co Ltd 3 7 3 Connect Load After the UPS starting and working stably turn on the load Start big power devices before small power ones Some devices has large starting current which may cause ov...

Page 66: ...interval time Charge setting Test status discharge current discharge capacity discharge time Battery test Generator Starting mode generator charging output charger power setting generator battery low...

Page 67: ...ser can monitor the system conveniently The icon meaning on the main page is as follows System bypass input When bypass input abnormal the icon flickers and shows as System mains input When mains inpu...

Page 68: ...n the main page shows the system running status and module running condition directly 4 3 System Work Status Display The system work status includes initializing fault protection shutdown exit paralle...

Page 69: ...4 Touch Screen Operation and Setting MR33 Series 75K 600K Modular UPS User Manual 58 All rights reserved Kehua Hengsheng Co Ltd Figure4 4 Fault protection with no output Figure4 5 Shutdown...

Page 70: ...MR33 Series 75K 600K Modular UPS User Manual 4 Touch Screen Operation and Setting All rights reserved Kehua Hengsheng Co Ltd 59 Figure4 6 Exit parallel system Figure4 7 Bypass output...

Page 71: ...4 Touch Screen Operation and Setting MR33 Series 75K 600K Modular UPS User Manual 60 All rights reserved Kehua Hengsheng Co Ltd Figure4 8 Battery INV output Figure4 9 Mains INV output...

Page 72: ...MR33 Series 75K 600K Modular UPS User Manual 4 Touch Screen Operation and Setting All rights reserved Kehua Hengsheng Co Ltd 61 Figure4 10 Grid connected aging running Figure4 11 ECO bypass output...

Page 73: ...uch Screen Operation and Setting MR33 Series 75K 600K Modular UPS User Manual 62 All rights reserved Kehua Hengsheng Co Ltd Figure4 12 Frequency conversion INV output Figure4 13 Maintenance bypass out...

Page 74: ...in page will show fault alarm indicator click the fault alarm it will show the current fault information as shown in Figure4 15 Figure4 15 Current fault information page 4 4 Buzzer Control Function Wh...

Page 75: ...tem bypass information page as shown in Figure4 16 In the page it shows the bypass three phase voltage current active power apparent power and frequency Figure4 16 Bypass information 4 5 2 Mains Infor...

Page 76: ...sitive and negative battery group voltage charge discharge current remaining capacity battery remaining time battery temperature battery status It shows the charging current or discharging current acc...

Page 77: ...the charging current or discharging current according to battery charge discharge status as shown in Figure4 19 Figure4 19 Battery information page 4 5 4 Power Module Information In main page click ic...

Page 78: ...shown in Figure4 21 Click Select Module it can check the information of each power module Figure4 21 Inverter module information 4 5 6 Output Information In main page click icon it will enter system o...

Page 79: ...k icon it will enter user login page as shown in Figure4 23 Figure4 23 Use login page After entering right password the icon will show as Click the left icon it will turn to setting interface as shown...

Page 80: ...it will enter system manage page as shown in Figure4 25 System manage includes system setting bypass setting Click enter box to change parameter Click save button to save the setting System setting F...

Page 81: ...ng page as shown in Figure4 28 Click enter box such as the max time turn INV to bypass synchronous ms it will show as Figure4 29 At the top of the enter box it shows the setting range once setting exc...

Page 82: ...ng management page click Battery Manage icon it will enter battery manage page as shown in Figure4 30 Figure4 31 The page includes battery setting charging setting battery test Click enter box to chan...

Page 83: ...ure4 31 Battery setting 2 Charging setting Click Charging Setting it will turn to charging setting page as shown in Figure4 32 Figure4 33 Click enter box to change the parameter Click Save button to s...

Page 84: ...est page as shown in Figure4 34 Figure4 34 Battery test 4 6 3 Mode Configuration In setting management page click Mode config icon it will enter mode configuration page The page includes parallel conf...

Page 85: ...36 Click enter box to change the setting Click Save button to save the setting The mark of setting success and setting failure is the same as that of system setting Figure4 36 ECO setting page Click S...

Page 86: ...wn in Figure4 38 Click enter box to change the setting Click Save button to save the setting The mark of setting success and setting failure is the same as that of system setting Figure4 38 Other mode...

Page 87: ...iton configuration page click Generator it will enter the generator configuration page as shown in Figure4 39 Click Save button to save the setting The mark of setting success and setting failure is t...

Page 88: ...td 77 Figure4 40 Dedusting configuration Start delay configuration Click StartDelay it will enter the delay starting configuration page as shown in Figure4 41 Click Save button to save the setting The...

Page 89: ...2 Click Save button to save the setting The mark of setting success and setting failure is the same as that of system setting Figure4 42 Dry contact configuration 4 6 5 Communication Setting In settin...

Page 90: ...ng Co Ltd 79 Figure4 43 Communication setting 4 6 6 Debug Set In setting management page click Debug Set icon it will enter debug set page as shown in Figure4 44 Click Save button to save the setting...

Page 91: ...click Record Manage icon it will enter record manage page as shown in Figure4 45 Figure4 46 Click Save button to save the setting The mark of setting success and setting failure is the same as that of...

Page 92: ...eal time which is to keep the veracity of system event log and master the system status of some time and maintain conveniently 4 6 9 Password Set In setting management page click Password Set icon it...

Page 93: ...ies 75K 600K Modular UPS User Manual 82 All rights reserved Kehua Hengsheng Co Ltd Figure4 48 Password setting 4 7 Information Query In main page click icon it will enter information query page as sho...

Page 94: ...overed by new one All records are ranked in inverted order of time 4 7 1 Event log In information query page click Event log icon it will enter event log page as shown in Figure4 50 This page records...

Page 95: ...served Kehua Hengsheng Co Ltd Figure4 51 User log 4 7 3 Device Information In information query page click Device Info icon it will enter device information page This page shows the S N product name m...

Page 96: ...d Kehua Hengsheng Co Ltd 85 Figure4 53 Product information 2 Figure4 54 Product information 3 When the probation function is enabled the device status shows as Lock as shown in Figure4 55 At this time...

Page 97: ...bled 4 8 ON OFF In main page click icon it will enter ON OFF page when the system is OFF click the icon to enter the confirm page as shown in Figure4 56 click OK button to perform the start operation...

Page 99: ...ad protection it is better to start this equipment before others If the UPS needs to be shut down turn off the load first When mains power outage if the UPS is power supplied by generator it is necess...

Page 100: ...t and output Step 4 Measure the AC voltage of mains input terminal and the voltage should be in the range of 80V 280V or it only can be started from battery status Step 5 Measure the DC voltage of bat...

Page 101: ...erter by touch screen 2 In main page of touch screen click icon it will enter the ON OFF page as shown in Figure5 2 click OK to perform the start operation Figure5 2 ON OFF page Step 5 After start the...

Page 102: ...Shut down the inverter Shut down the inverter by panel OFF combination button 1 Long press the panel OFF combination button for 3s system will turn to bypass supply power from inverter output Check t...

Page 103: ...exceeds the setting value shutting down the inverter will cause system without output and the power supply for load will be interrupted 5 3 5 Switch to Maintenance Bypass Mode From Normal Output Unles...

Page 104: ...e that the system bypass input is normal Step 1 Close the BYPASS switch POWER switch external battery breaker OUTPUT switch successively Step 2 After the power supply normal and the energy flow on tou...

Page 105: ...supply for load is interrupted When the system stay in maintenance bypass status after pressing EPO button the UPS still has output 5 3 8 Emergency Power Off Recovery Step 1 Ensure that the dry contac...

Page 106: ...t the battery to parallel system Step 4 After the monitor interface of each UPS without abnormal alarm close the battery input breaker of each UPS if there are many groups battery it needs to close th...

Page 107: ...witch of other UPS disconnected keep the multimeter in AC position one pen connect with the output switch front end phase A of UPS2 the other pen connect with the output switch back end phase A of UPS...

Page 108: ...ill turn to bypass power supply mode if the system bypass is abnormal after shutting down the UPS the system will turn to no output mode the system output is outage Before shutting down please ensure...

Page 109: ...tem the UPS will shut down and close all output Multi UPS running in parallel EPO linkage is enabled Press the EPO button of the UPS or the EPO button of total system all the paralleled UPS will shut...

Page 110: ...tays in safe status Before close the battery breaker at any time use a multimeter to measure if the voltage of wiring terminal is normal and the polarity is reverse connected If the result is abnormal...

Page 111: ...t also needs to charge the battery every 3 months and the charge time of each time cannot less than 24h Clean battery shells by cloth Oil and organic solvents such as petrol and diluents are prohibite...

Page 112: ...he requirement or overload Table6 1only includes some simple diagnosis If the diagnosis is not clear or not sufficient to solve the problem please contact with local agency or dealer to deal with Tabl...

Page 113: ...e the UPS shut down automatically This phenomenon is normal Once mains normal system will start and charge battery automatically Warning if the battery stays in under voltage status for long time it w...

Page 114: ...cy Dispose for System Fault How to deal with the system fault in emergency When system fault shut down the power supply of UPS by the touch screen if necessary close the user load and disconnect the i...

Page 115: ...ect is not allowed to shipping with the device While midway transportation do not put the device in the open air The device cannot suffer any rain snow or liquid material or mechanical damage 7 3 Stor...

Page 116: ...need to decrease rated power to use Vin 80Vac 175Vac for linear load it is necessary to decrease rated power to use Input frequency range Hz 40 70 Bypass synchro tracking range Hz 50 60 6 Bypass inpu...

Page 117: ...alance load 1 Wave form distortion THDv Linear load 1 non linear load 4 Bypass inverter transform time ms Synchro 0 Unsync 15 System efficiency 96 Overload capacity For less than 105 load it runs for...

Page 118: ...m function Alarm for input abnormal battery low voltage overload fault etc Communication function Provide dry contact communication RS232 RS485 MPDBUS and it can select SNMP optional to realize the sm...

Page 119: ...m upside and downside it cannot be changed in customer site Supports wiring from upside wiring from downside is optional Weight kg Cabinet without module 155 Power module 33 Bypass module 20 Cabinet w...

Page 120: ...and downside Supports wiring from upside and downside Supports wiring from upside and downside Weight kg Cabinet without module 427 Power module 33 Bypass module 27 Cabinet without module 427 Power m...

Page 121: ...Manual 110 All rights reserved Kehua Hengsheng Co Ltd C Acronyms and Abbreviations A AC Alternating Current D DC Direct Current DSP Digital Signal Processor E ECO Energy Control Operation EPO Emergen...

Page 122: ...ms and Abbreviations All rights reserved Kehua Hengsheng Co Ltd 111 RS232 Recommend Standard 232 RS485 Recommend Standard 485 S SNMP Simple Network Management Protocol T THDv Total Harmonic Distortion...

Page 123: ...4402 02833 004...

Search results

Summary of Contents for MR33 Series

Reviews:

Related manuals for MR33 Series

Brands by name

Popular brands

KEHUA TECH MR33 Series, User Manual

Search results

Summary of Contents for MR33 Series

Reviews:

Related manuals for MR33 Series

Brands by name

Popular brands