UPS KR-R Series （6-10kVA） User`s Manual
Contents
1. O DC ON Fuse 500V 63A Fig 6 3 Back panel of KR J series battery cabinet 26 KR J Series UPS 6 amp 10KVA User s Manual 6 2 System Connection of KR J Series ama FN Bd 525533 vovo O uw AC INPUT mr dis Fuse 250V 10A POWER orr 9 o usB Rs232 HI 2 o m og O UU o PI pug HERBIE NAYBATTERY e cu EE SE WAS BATTERY SI UG oj LZ EN O iy Ng AC OUTPUT PE AC INPUT BATTERY o ULIN G NI t I o Pi DC Hn wv Lit o o o o o o OFF ON Paa Fuse 500V 63A m OFF ON Fuse 500V 63A SS iF l ai 00000002. LL Instruction To install and set the UPS by the manufacturer or manufacturer authorized personnel KR J Series UPS 6 amp 10KVA User s Manual 3 3 Preparing for Installation 3 3 1 Check the Installation Site AN Caution Before installing the UPS on site environment should be meet the basic conditions of equipment operating safety and good condition If the on site environment does not meet the basic criteria please transform the scene accordingly Only meet the basic condition the UPS could be installed 3 3 3 1 Environment Requirement Ambient temperature 0 C 40 C Relative humidity O RH 95 RH no condensation Cooling mode air cooling Altitude meet GB T 7260 3 2003 Verticality No vibration and no more than the vertical gradient 5 Pollution rank Class II The UPS should be installed in the environment where exist enough ventilation and cool clear air not too high humidity and no dust The recommended work temperature is 20 25 C and the humidity should be controlled around 50 Note Install the UPS in a metal conductive dust working environment is prohibited 3 3 1 2 The Basic Requirements for Power Supply 1 Grounding preparation Ground terminal is ready voltage between the neutral wire and ground wire should not exceed 5 V 2 AC input voltage and load capacity of main input line Before UPS be installed make sure that the AC inpu
3. KR J Mode KR J 6KVA KR J 10KVA AC Input Live wire Neutral wire 6 10 AC Input Ground wire 6 6 DC Input Positive Negative 10 10 AC Output Live wire Neutral wire 6 10 5 Lightning facility In frequent lightning area the main input should be equipped with multi degree lightning protection systems to ensure safe operation of equipment Outdoor installation should increase the level of the lightning protection of AC input power 3 3 2 Unpacking and Inspection 3 3 2 1 Transportation 1 Arrange the appropriate means of transport and lifting e g forklifts according to the product packing dimension 2 Due to the product s size are large please unpack at the chosen location The installation site should be near to the unpacking locations as near as possible 3 Please pay attention to the turning corner the slope of uphill and downhill during transportation process to prevent the equipment from the collision 3 3 2 2 Unpacking 1 When installing please move the equipment to the installation site then unpacking it 2 After unpacking please make sure that the system components are correct and complete according to the packing list KR J Series UPS 6 amp 10KVA User s Manual Tips For your convenience in case of the transport and packaging in the future please put the packaging material in the box and preserve them properly Note If you find the components does not match with the p
4. CHARGE BATTERY Fig 2 1 KR series principle diagram 2 1 2 Principle UPS KR J 6 amp 10KVA is made up of PFC AC DC Commercial power rectification and boost circuit DC DC battery voltage boost circuit DC AC inverter switch charger and battery group etc When utility is normal through PFC it can be boosted to 360V and then supply for DC AC inverter to output steady 220VAC At the same time battery charge is finished When utility is abnormal through DC DC the battery voltage will be increased to 360V DC supplied for DC AC inverter Because of PFC and power down fast test technique adopted even when the commercial power voltage lows to limit 120V the battery group can still have no output current to assure battery longevity and be kept in energy storage status If commercial is abnormal battery voltage boost will start up at once to assure steady DC AC output As information shown in the figure above the DC AC inverter adopts half bridge structure DC DC module uses boost circuit PFC is active power factor correction circuit controlled by UC3854 and CHARGER is a kind of complete isolation charger 2 1 3 Work Process When commercial power is normal through PFC it can be boosted to 360V and then supply for DC AC inverter to output steady 220VAC At the same time battery charge is finished Whenever commercial power was low or broken down suddenly the battery group would feed back electric power to DC circuit through
5. Fig 2 3 Appearance of KR J series UPS 6 amp 10KVA J 0LC 30 V S ong a Fig 2 4 Front panel of KR6000 J amp KR1110 J KR J Series UPS 6 amp 10KVA User s Manual te REMAP UTRAM PERI AHORKA LON pra Passe remi Pa aari manal batore connecting wee Fig 2 5 Back panel of KR J 6KVA SNMP Dry contact Aw RAVAN UTRAM BREN ANGANE HAH Ee Fig 2 6 Back panel of KR J 10KVA KR J Series UPS 6 amp 10KVA User s Manual 3 Installation 3 1 Installation Notice 1 Before installation check whether the circuitry is smooth including every connection point electrical outlet to avoid open circuit or short circuit 2 For single phase input with three wires it should be well grounded ensure that the voltage between neutral and ground wire should be lowe
6. n YPisP i 1 In the equation P stands for UPS output capacity VA Pi is VA of No i load 4 3 2 UPS Switch on Procedure The bootstrap should follow the steps as 1 Press the ON button on the UPS panel to start UPS after 20 seconds turn on the computer or other instrument 2 Normally only when the UPS has been started and is working stably can the loading equipment power switch be turned on First turn on high power equipment then the equipment with lower power Some equipment has large start current such as monitors of some brands When starting such equipment overload protection such as bypass operation may occur In this case it s recommended to start this type of equipment before other equipment 4 3 3 Start the load Observe the indicator on the panel to determine the operational status of UPS When it indicates the UPS is in inverter working mode or battery working mode it can supply power to the load After the UPS has running about 10 minutes without load start the load according the sequence high power equipment low power equipment A Caution 1 Do not connect the UPS to unbalanced loads half wave rectification loads or inductive loads such as air conditioner blower fan electric drill starter motor and fluorescent lamp KR J Series UPS 6 amp 10KVA User s Manual 2 The current may be large when some devices like monitors of a certain type start which may result in the UPS ov
7. System Installation esses 13 3 8 Electrical Conn cti n MERC m 14 3 8 1 Wire Modes of Single UPS uoce trt rtt Ale ee eee 14 3 8 2 Connecting Way of Parallel System ccccceeeesececeeeeeeeeeeeeeeeeeeeeseseaeeeseeaeeeeeeaas 14 3 9 System Inspection and Testing sudo etebiioatote ifa et pag eet heatets Notte tetadet teta LAOG ala Le oed 15 3 9 1 Check Electrical Gonneclloris aaa aereo An AA ra reta er kei vines 15 3 9 2 UPS TESTING cs cee 16 3 9 3 Connect with thelOaG eite see bate doe eicere elei iet 16 A OPERA OM riae suits tad ctacatoncaasd a area aaa aara aa aaae aa a ra a aa aaa Eo aai ee ESen iraan aaia 17 AINotes Of Using UPS aaa ANA Deor coe ANAN diese teenies EET 17 4 2 UPS Single Unit Operation Process naaa toner Ide erra need pucr Eu E CERE BUR Rud 17 43 Operation INSULTON maa NAGANA Ete e ANG 17 4 3 1 Inspection before Power on eese enne 17 4 3 2 UPS Switch on Procedure cccccceececceeccuececeececeeeecauceeceececaeceeeueesseeeeaeeeeseneesaeeenas 18 4 3 3 Startthe loadi 4E el NG A Se Pa Bs Ee 18 4 3 4 UPS Switch off AG AAP robe 19 4 4 Operating procedure of Parallel System 19 4 4 1 Parallel System Start p uo ee rtp ra itm aad cde kr ue NGALAN 19 4 4 2 Parallel System Shut DOWL aa cence apio cce rere nenne desnuda ERE ced daces 19 44 3 Online Shutdown Parallel System 345 5 c erre oce ab NN 20 4 4 4 Online Start up Paral
8. 6 amp 10KVA User s Manual 1 Overview 1 1 Model Meaning Explanation 1 Model Meaning of UPS KR J 6KVA is shown in Fig 1 1 KR 6000 L J Rack mount Long Backup Time Model Capacity KR series online UPS Fig 1 1 KR J 6KVA model meaning As information shown in Fig 1 1 KR means the product is high frequency UPS of Kehua KR Series 6000 means that the output capacity is 6KVA 1110 means that it is 1 phase in and 1 phase out the output capacity is 10KVA L means that the product is a long backup model J means that the product is a rack mount type 2 Model Meaning of UPS KR J 10KVA is shown in Fig 1 2 KR B 110 J L Rack mount Output Capacity Single Phase Output Input Phase Paralleled Type KR series online UPS Fig 1 2 KR J 10KVA model meaning As information shown in Fig 1 2 KR means the product is high frequency UPS of Kehua KR Series 1110 means that it is 1 phase in and 1 phase out the output capacity is 10KVA J means that the product is a rack mount type 1 2 Brief Introduction 1 2 1 Products Characteristics KR J 6 amp 10KVA series UPS are online UPS of sine wave charactering high performance designed for network computer room small intelligent equipments like measure devices or industrial auto machines etc and exact instruments used in systems such as finance communication insurance railway hospital mine and enterprise etc specially for terrible
9. DC DC voltage boost module There is no switching interval from grid power supply to battery power supply When battery is nearly out of power UPS would send out audio light warning till battery voltage drop to the discharge limitation point then UPS would stop KR J Series UPS 6 amp 10KVA User s Manual inversion and emit lasting sound In addition UPS has overload protection When overload 130 full load happens UPS would turn to bypass supply and return automatically if load recovers is normal When more serious overload over 150 full load appears UPS would halt inversion and switch to bypass supply at the time the switch may have jumped After fault of load eliminated as long as turn on the switch UPS will restart to work again Audio light warnings will always go with UPS when UPS abnormal The warnings or protections are shown in Table 2 1 1 Table 2 1 1 The function of abnormal status and warning Protection UPS Status Beep Indicators On Panel LCD Display A Warning INV on Line on Bypass off Output Voltage Normal No beep No Fault off Output on 220 0 V INV on Bypass off Fault off Turn to Once every 1 5 Output 220 0V 105 overload Output on 1 min later INV off bypass supply sec OVERLOAD Bypass on Fault on Output on in 10 min Turn to 30s later INV Off bypass Output 220 0V 130 overload Long beep bypass supply on Fault on Ou
10. o 8 g7 Fig 3 4 Connecting way of Parallel System 3 9 System Inspection and Testing 3 9 1 Check Electrical Connections After completion of electrical connections please check electrical connections required per items listed in Table 3 9 1 Table 3 9 1 Check the list of electrical connections No Items to be checked Result KR J Series UPS 6 amp 10KVA User s Manual 1 Check if the color AC line cable is compliant with regulation Check if there is any loose wiring in the cabinet Check if the security labels of the AC power distribution units are complete Check if the cable connections are secure Check if the battery cable s polarity and sequence are correct Check if the cable is correctly identified Check if the cabling is neat whether the cable lashing is compliant with process specification Check if the installation and wiring is conducive to the system s transformation expansion maintenance in the future 3 9 2 UPS Testing Testing UPS It can simulate the main power failure situation by disconnect bypass input breaker or the main input breaker When the main are off power the main LINE LED will go out and the buzzer will sound three times every 10 seconds 3 9 3 Connect with the load Only after UPS starts and enters into the stable work then open the load devic
11. on when it is abnormal light off When the live wire and neutral wire are connected inversely the light will flicker The production which is the three phase of power input and the single phase of power output do not have this function G BYPASS UPS in status of bypass supply light on in status of inversion off INV Inverter normal light on inverter abnormal light off OUTPUT UPS has output light on no output off FAULT UPS fault light on normal off ON When UPS is closed Press this button for one second then the UPS start working In the interface of setup Press this button for 1 sec to enter confirmation of function setup S OFF When UPS is running press the button for 1 sec UPS will shut down Select While Working normally LCD display output voltage If press this button the backlight KR J Series UPS 6 amp 10KVA User s Manual will be on showing input voltage input frequency output frequency and power working status of UPS one by one Long press this button for 5 seconds it will enter interface of function setup press this button for 0 5 second in this interface it will display setup interface of buzzer silencing alarm function of 5096 load For parallel type battery test ID address selection history records displaying and history records elimination and so on On those interface Press button ON to confirm 2 2 2 Structure and Appearance
12. 0000000 0000000 00000 00000 Fig 6 4 System connection of KR J series set KR J 10KVA for example LOTS KR J Series UPS 6 amp 10KVA User s Manual Appendix A Package Transportation and Storage A 1 Package UPS packed by carton Packaging should pay attention to the direction of demands placed on various parts The side of boxes printed avoid of wet handle with care this side up stacking layers limits and other warning patterns also with UPS model and other information Positive Carton printed with Kehua logo A 2 Transportation It should strictly conform to the care signs during transportation and place the UPS according to the care signs to avoid the shake to the UPS It can t put the equipment on the open vehicle and cabin and should be put together with flammable articles It is prohibited to put the equipment in the open air in the midway and should avoid the drench of the rain snow or other wet goods also machinery damage A 3 Storage Place the equipment according to the care signs It should part from ground for 20cm part from wall hot source cold source windows or air entrance for 50cm Environment temperature for storage is 0 40 C relative humidity is 20 80 the stock should not have any baleful gas flammable and corrosive chemistry have not strong shake strike and magnetic field The storage period in this condition is for six months over six months
13. 5 4 2 Troubleshooting for Single System and Parallel System 1 Single system troubleshooting When the single unit fails shut down the UPS power via OFF button on UPS panel If it is necessary to shut down the user loads disconnected the UPS input output breakers to ensure that UPS will not be damaged any more 2 How to deal with the failure from Parallel system When one unit from the parallel system fails shut down this failed UPS power via OFF button on UPS panel Meanwhile disconnected this failed UPS input output utility and battery breakers and contact with engineer for maintenance 25 KR J Series UPS 6810KVA User s Manual 6 Battery Cabinet 6 1 Appearance of KR J Series Battery Cabinet BATTERY CABINET Fig 6 1 Appearance of KR J series battery cabinet SUE lI LAU LU LU BATTERY I CABINET pr and
14. Overload capacity 105 130 rating load last 10min turn into bypass 13096 15095 rating load last 1min then turn into bypass Above150 rating load last 1 sec then turn into bypass Output mode Connector bar Other Characteristic Communication interface RS232 USB optional interface supports UPSilon2000 software and SNMP protocol optional Alarm Incorrect input connection of phase sequence battery low voltage utility abnormal UPS fault Over load utility abnormal battery low amp over voltage UPS fault Protection function Battery under voltage protection battery over voltage protection overload protection short circuit protection over temperature protection Maintenance optional bypass with manual maintenance bypass convenience for uninterruptible maintenance Parallel function Random capacity expansion or N 1 redundant parallel For parallel system Standby time Random configuration display panel LCD displays parameter and LED displays operation status Audio noise dB 65 Working temperature 0 40 C Relative humidity 0 95 No condensation Size mm W x D x H 440x550x132 Weight Kg 21 Specifications are subject to change without prior notice KR J Series UPS 6810KVA User s Manual 2 Basic Principle and Structure 2 1 Stand alone Principle 2 1 1 Principle Diagram AC INPUT
15. T BATTERY L N OS N L L output GND Bat N output Bat L input N input Fig 3 3 Terminal wiring chart of KR J series 10KVA 3 8 2 Connecting Way of Parallel System 1 According to the installation method described above install each parallel system unit s battery and host respectively and then AC output of the parallel unit is connected to the parallel system s output distribution cabinet The model of connecting is shown in fig 3 4 A Caution KR J Series UPS 6 amp 10KVA User s Manual The AC input connecting way and the phase sequence of parallel system should be strictly consistent and ensure that the parallel system s bypass power with the same phase 2 Connect all the parallel port of each parallel system unit with the shield communication line and fasten the corresponding RS232 head s screws 3 The parallel system connecting way of KR B 1110 J is shown in fig3 4 E a Hai 7 Im d E S e E s E 28 9 k 5 Halo a2 o 2z i 5 25 Sb o lt o E Q O o a a 5 13 T 8 8 N 3 Big E HI L 1 3 O d ere oO s Q 5 3 z z2 a O t 8 gt a NG gt d Oo 3 9 s sl zg 22a z O ka E zg 2 2z E a 5 ag
16. UPS KR R Series 6 10kVA User s Manual NOTE Please carefully read the user s manual before operation for the sake of understanding correct operation of the instrument Please keep the manual handy for future reference gud Jw os 10 11 12 13 14 A WARNING A The input and output of the instrument is with dangerous high voltages which may endanger the safety of life Please strictly follow the operating description It is not allowed to remove the cover of the instrument Please connect protective earth before power supply cables The input amp output voltage of the UPS is dangerous which will endanger the safety Dangerous voltages are present inside the unit Please do not open the cover of the UPS Please turn off the mains input switch and the battery switch for any urgency There are many kinds of power sources in the equipment the terminal or socket may still have dangerous voltage even if the main power is disconnected Please remove the cable between the battery amp UPS before repairing It s necessary to wait for another 5 minutes for discharging because of the dangerous voltages The wires should be fastened to the terminals It is prohibited to short the anode and cathode of battery It s prohibited to touch any two of wire connectors or bare end of connecting wires Otherwise it may lead to damage of battery or personal injury Please keep the battery away from the fire and all the equip
17. ack for repair 3 Turn on the load air switch in the output power distribution cabinet Switch on the loads one after another 4 4 2 Parallel System Shut Down System should not be turned On Off frequently Shut down UPS Parallel system according to following sequence 1 Shut down all the output loads of the Parallel System firstly 2 Shut down each UPS according to the shutdown sequence of single unit by pressing the On Off key in panel 3 Turn off the output breaker of UPS1 and then turn off the output breaker of UPS2 The step shall be canceled on daily operation KR J Series UPS 6 amp 10KVA User s Manual 4 4 3 Online Shutdown Parallel System When a parallel unit fails this parallel unit will quit the parallel system automatically with voice and light alarm Now just operate the process according to Picture 4 2 to make the failed unit completely quit from parallel system and realize online warm maintenance or replacement Shutdown broken UPS according At paralleled distribution box to UPS shutdown steps disconnect the paralleled unit breaker connected with UPS Fig 4 2 Online shutdown Parallel Unit A Caution When the parallel system is working normally it is better not to quit its output from parallel system without shutting down parallel unit otherwise the power system will appear abnormal 4 4 4 Online Start up Parallel System When online launching one or more parallel unit is needed just fo
18. acking list of the contract please record them timely and contact with Kehua local Branch or office or distributor immediately 3 After unpacking check whether the equipment has mechanical damage caused by transportation Tips If you find the UPS has serious damage in appearance please check further please record them timely and contact with Kehua local Branch or office or distributor immediately 3 4 Equipment Installation 1 Do not place in areas with corrosive gases Ensure that the equipment be placed in well ventilated location to facilitate heat dissipation 2 The UPS should be placed in a horizontal place avoid placing in the rugged sloping areas Do not put objects on top of the cabinet 3 Switch the breaker OFF before Wiring Do not reversely connect the ground with the neutral line live line with the neutral line in case of causing electrical short circuit It should be well grounded neutral line and ground line voltage should be no higher than 5 V If the UPS system output are through the transfer appliances please check the quality of the transfer electrical appliances so as not to cause open or short circuit 3 5 Check the Main Input Please re confirm if the network load capacity are able to meet the requirements of UPS whether mains power supply are complied with UPS nameplate s voltage and frequency whether the aging of the wire caused carrying capacity decline If any question please contact the
19. because of the battery under voltage 1 The battery is faulty and seriously damaged 2 The charger is faulty so it cannot charge the batteries properly 3 The battery cables are not arranged properly or the connection terminals are not in good contact 4 The battery breaker is not ON The UPS is not restarted after serous fault which makes the UPS stay in the bypass output status all the time 24 KR J Series UPS 6 amp 10KVA User s Manual Abnormal phenomena Symptom 8 The buzzer gives an alarm constantly and the fault indicator is on The UPS converts to the bypass mode Symptom 9 When the mains supply is available the buzzer gives the intermittent audible alarm Line LED AC off Possible Cause 1 The load is overloaded or the output is short circuited so the UPS is automatically shut down for protection 2 The drive or power tube is faulty 3 The main control board is faulty 4 The DC fuse is open The voltage and frequency of the mains supply exceed the UPS allowed input voltage range Symptom 10 When the mains supply is normal the UPS can supply power for the computer normally After the power supply fails the UPS works normally but the computer breaks down Symptom 11 All LED indicators are OFF Cables are grounded improperly so the float voltage of the neutral line and the earth line is too high The display control board is poorly connected or faulty
20. d on If UPS would not be used for long term it is also needed to inspect before power on when restart using Running stable Check the system information according to panel indicator Start the load Stop using LIPS Fig 4 1 Single unit operation process 4 3 Operation Instruction 4 3 1 Inspection before Power on Before power on please inspect according to follow requirements for testing 1 Make sure there is no mistake of the input and output installation 2 All the breakers are pulled on the OFF status 3 Connect the input terminals to the rated power 4 Make sure there is no short circuit of the inverter output and load capacity does not exceed that 17 KR J Series UPS 6 amp 10KVA User s Manual of the inverter 5 Make sure computers or other instruments are off 6 Inspect the load 1 Confirm the load is non inductive load UPS is not recommended to connect with the inductive load such as motors fans air conditioners and other loads such loads use the grid power directly 2 Make sure that the load is turned off Meanwhile the load capacity shall not exceed the UPS rated output capacity otherwise it will cause the system overload protection Calculation of load capacity as follow KR Series calculates load capacity based on 8096 resistance load of nominal rated power Usually the largest bearable computer load number N is calculated according to the following formulae
21. detection of failures 5 2 Daily Maintenance of Battery 1 Battery Charging requirement 1 When it is in first operation please turn on the UPS to charge the batteries for 4 hours During the charging the UPS could be still worked but that battery discharge time would be lower than standard value if there is a blackout 2 Usually discharge and charge the batteries per 4 6 months Discharge the batteries to UPS shut down then charge the batteries The charging time should not less than 4 hours 3 In high temperature area discharge and charge the batteries per 2 months The charging time should not less than 4 hours 4 If UPS is not used for a long time it should charge the batteries every 3 months The charging time should not less than 4 hours 2994 KR J Series UPS 6 amp 10KVA User s Manual 2 It can only wipe with cloth by moistening water when clean the battery case prohibit the use of substances other than oil or organic solvents such as gasoline and thinner 3 Battery should be stay away from fire and all electrical equipments which is easy to create sparks to avoid an explosion 4 During the use the battery pack with UPS it should periodically check the charger whether is OK to avoid battery over charging for long time or in not fully charged state To avoid excessive battery discharge it should immediately arrange a fully charging after discharge no later than 24 hours Then it could be allowed to re disc
22. e first start high power devices then start small power equipment Some devices have large starting current which may cause overload protection or bypass operation it is better to start such equipment before the other devices 16 KR J Series UPS 6 amp 10KVA User s Manual 4 Operation 4 1 Notes of Using UPS 1 Please check if the load is appropriate before turn on the UPS The load shall not exceed the rated output power UPS systems to avoid of UPS overload protection 2 Do not use the breaker of UPS as the load breaker to avoid of the frequent start of the UPS 3 Only after UPS starts and enters into the stable work then open the load device Some device has large starting current which may cause overload protection it is better to start such equipment before the other devices First start high power devices then start small power equipment If close the UPS please be sure to close the load device before close the UPS 4 When the main is cut off if the UPS s power supply is from the generator please start the generator first After the generator is stable then it can connect with UPS or it may cause UPS or load damaged Please turn off the main input breaker before close the generator 4 2 UPS Single Unit Operation Process Operation process is shown in Fig 4 1 It needs inspection before power on when start the UPS For the first time refer to Section 4 3 1 When the inspection is approved the UPS can be turne
23. e updating them 29 4402 00767
24. electric network circumstance KR J 6 amp 10KVA series UPS the online UPS of sine wave charactering high frequency has mainly 1 KR J Series UPS 6 amp 10KVA User s Manual the following features Great adaptability to power input The input voltage range can be as wide as 120 295Vac in which there is no need for battery inversion that can availably protect batteries Precise synchronization system with commercial power The realization of exact zero phase synchronization between output and input can meet the requirement to synchronization of power supply and electric network from a variety of instruments being propitious to improve user system performance and boosting the reliability of bypass switch High input power factor Adopt advanced active PFC technique which alleviates load on electric network and represents green power supply of new generation High performance with competitive price Adopt multiple power transfer and high frequency PWM technique character high efficiency small size and light weight improve running reliability and reduce manufacturing cost All above help decreasing customer cost of system designation Low running input voltage Independent fast test technique adopted leads to no inversion of DC DC module even when input voltage lows to limit 120V so that all the output energy under the commercial supply status is transferred from electric network that can guarantee the batterie
25. erload protection action such as bypass action Therefore it is better to start these devices first 4 3 4 UPS Switch off Procedure 1 Switch off the loads Switch off the loads so that the UPS runs idle for 10 minutes to cool down Switch off the UPS Press lt OFF gt on the panel to switch off the UPS Power off Set the power switch to OFF on the back plane in the following sequence BYPASS BATTERY POWER 4 4 Operating procedure of Parallel System 4 4 1 Parallel System Start up Please keep load off before Parallel System starting up almost and make sure all of the breaker Is off Startup steps as following 1 Start the parallel units of the system according to the switch on procedure of a single UPS 2 After the inverter output of each parallel unit test the inverter voltage of each parallel unit The difference between the highest voltage and the lowest voltage should not be higher than 5V If the voltage difference is higher than 5V check whether the output of each parallel unit is 220V If not adjust the output voltage If the voltage difference is higher than 10V send the unit back for repair Turn on the output breaker of the parallel unit in the output power distribution cabinet Test the ring current of the parallel unit The value should be less than 3 A If the ring current of the parallel unit is too large the inverter will be damaged If the ring current of the parallel unit is larger than 3 A send it b
26. harge Strictly prohibited discharging the batteries once again if the batteries are not fully charged otherwise it will reduce the battery capacity or even damage the battery 5 When UPS stop working please disconnect the battery breaker on the UPS to avoid the battery discharge for long time when utility is failure 5 3 Attentions when replace battery 1 Do not put batteries into fire to avoid an explosion 2 Do not open or disassemble a battery the inside battery electrolyte is harmful to skin and eyes 3 In accordance with the instructions on the battery to make the appropriate recovery 4 For battery replacement please consult a professional engineer 5 Must use the batteries in same capacity type and battery manufacturer for replacement The batteries are in different capacities types and battery manufacturers are strictly prohibited to mix use 6 Hazardous voltage may exist between battery terminals and ground Before contact the batteries please check whether there is an existence of dangerous high voltage to avoid any dangers to personal safety Absolutely prohibiting contact the two terminals of battery or their bare wire ends at same time 5 4 Troubleshooting 5 4 1 Diagnosis of Common Problems When start up UPS the UPS is abnormal please take reference of next chart 5 4 1 to find the solution Meanwhile please check the external environment such as temperature and humidity do not meet the requirement or over
27. iple and Structure asana NAALAGAAN Ea CR GAAN 4 2 1 Stand alorie Prnclple s udin cedo eee dedico dee rege tenons esto ce ib dese pacata NAAN aka 4 2 1 1 Principle Diagram ecce terre an oe bec i IRR 4 21 2 Priticlple 22 2I EE E 4 2 1 3 OK PFOCOSS o eeu npe PA neuen ei 4 2 2 SIFUCIUFO AA DEC QUSE KR MAG MEE ane 6 2 2 1 KR J Series 6 amp 10KVA Display Interface seeeeee 6 2 2 2 Structure and Appearance Ka dah Reto etes TA Kana a a Uic a ma a 7 Si Installation ES 9 3 4 Installation Notice 2 NIA NAG ditor dees dove AA AG dede ear a 9 SN Arrius aaa an a 9 3 9 Preparing tornstallatlon nanana ER on D D eri Roe DEO nma aha 10 3 3 1 Check the Installation SIEG iecore Rede reete a eee vin des 10 3 3 3 1 Environment Requirement ssseeeeeene mene 10 3 3 1 2 The Basic Requirements for Power Supply eee 10 3 9 2 Unpacking and Inspaction 3 te rd tr bi RU 11 3 3 2 1 TransportatlOn coii noted tene dece oe eost vere dua idu set t a ede ue een 11 3 9 2 2 Unpackirig rr ee a CORRER E Ho a ie er ees 11 3 4 Equipment Installation sseseseeenee eene eene nnne 12 3 5 Check the Main RUE oed ios teni adt ree fedes dese AA AA ten Uta AA 12 3 6 Battery Cabinet InstallaliOfi z a daang 12 3 6 1 Important Safety Rules a aer rper e d eee xx ue Pu E eret 13 3 6 2 Installation step EE EE ener ee eneeeeceeeee E E EET 13 3 7 Parallel
28. is in short circuit If so reduce the load appropriately or find out the cause to short circuit Generally the short circuit happens at the output socket or the input short circuit occurs owing to the device fault 2 Loads are not started in the following order Large power device Small power device Restart the UPS After the UPS is stable start the large power device and then start the small power devices in turn Symptom 5 The UPS works normally after start up It is shut down automatically some time later A cause for this fault is that the battery under voltage protection is enabled because the batteries are not recharged in time and the UPS works in the battery mode the mains supply is cut off or unavailable Note When the UPS battery under voltage protection is enabled turn off the battery breakers turn off bypass breakers and turn off the mains supply immediately Recharge the batteries fully after the mains supply resumes The battery lifespan will be affected if it remains under voltage for long Symptom 6 After the UPS works for some time The buzzer gives audible alarms intermittently the battery LED on and the LCD displays Battery Low Symptom 7 The UPS works normally When the mains supply is OFF the UPS does not provide the output The voltage of the mains supply may be too low The UPS works in the battery supply status The battery under voltage protection is triggered
29. lel System iuret titrr eed apan 20 4 4 5 Redundancy and Expansion of Parallel System ssseeeesesss 20 5 Maintenance Instructions m AA 22 5 1 Maintenance CUNO G einer kada sb ue Serene Been reca eee eere e vides 22 bilal Safeby Precautlons o tl eR Soc adunco Red bn Eie ERR iu du Le Rn Ra Ru boda 22 5 1 2 Regular Maintenance sssseesessseseeeeeen emen nennen 22 5 2 Daily Maintenance of Battery meien a nnne 22 5 3 Attentions when replace battery sssssssseseeeee eene 23 5 4 Troubleshooting ac eor tux aee il tera Lr ete Rx a Rex Fe Redes 23 5 4 1 Diagnosis of Common Problems ite t es 23 5 4 2 Troubleshooting for Single System and Parallel System 25 Gs cuin ECL I A 26 6 1 Appearance of KR J Series Battery Cabinet 02 mawusanananwanaannananwaanannnnaasasananns 26 6 2 System Connection of KR J Series a aanwwananwwnaaananaaaaannaanananasananasasasananasasasanns 27 Package Transportation and Storage mamessuunanaanananananuKKNKRAKEKKN ANAKAN nnne nnn nnn 28 A1 Package a nG ANN AA baon pb AN Na da Rnb 28 A2 Transportation eer er co ee ier eR HD GAN E nek ADA 28 RO OWS sco cote Ln ute E M UD MC I E e m I e E 28 Appendbc B inii AA AA E 29 Toxic and Hazardous Substances or Elements Table eee 29 KR J Series UPS
30. llow the operation steps on Fig 4 3 After the new unit is operating stably it will enter parallel system automatically and realize current sharing operation New added paralleled At paralleled distribution Start new added unit installation is box close the breaker paralleled units one finished connected with the new byone according to UPS added unit startup steps Fig 4 3 Online start up Parallel System 4 4 5 Redundancy and Expansion of Parallel System 1 Redundant Function When using 2 1 parallel redundant backup design total output load should not be large than 2 times of single machine rated output When 1 single machine fails this single machine could launch and quit freely without affecting the operation of parallel system so it could improve the reliability of power system When the output exceeds above load the overloaded single machine exceed N N 1 times of single machine rated output will alarm For example for double machines backup power system when the load of single machine exceeds 50 it will alarm the overloading 2 Expansion Function Theoretically UPS parallel has no quantity limitation However if the quantity is over many the 20 KR J Series UPS 6 amp 10KVA User s Manual reliability of the whole parallel system will decrease on the contrary and can not reach the aim of improving reliability Therefore we don t suggest using parallel mode to extend gross output power In the applica
31. load The following are simple settlement on fault If the solution is not clear or it is no enough to solve the problems please contact the distributor agent for detail 223 KR J Series UPS 6 amp 10KVA User s Manual Table 5 4 1 Diagnosis of Common Problems Abnormal phenomena Symptom 1 The mains supply is normal The UPS works in the battery invert mode The buzzer gives audible alarms intermittently Symptom 2 When the UPS has been installed the fuse gets burnt or the switch trips after the breaker or power turns ON or after ON is pressed Symptom 3 The UPS provides 220 VAC output after start up However it works in the bypass mode Possible Cause The power feed lines connected to the UPS in poor contact as at the joints and sockets Therefore the AC input is not stable The five input lines of the UPS are arranged incorrectly For example the neutral line or live wire is connected to the grounding wire the UPS shell Or the three output lines are arranged incorrectly l Loads are too large and exceed the UPS rated output power Reduce the load or select a UPS with larger output power 2 Itis normal if the UPS works in the bypass mode temporarily when loads are switched on and then it returns to the normal mode automatically Symptom 4 The output is normal after the UPS startup When the load starts the UPS stops the output 1l The UPS is severely overloaded or the output
32. local main supplier 3 6 Battery Cabinet Installation For KR J Series UPS 6 amp 10KVA UPS 8 Battery Cabinet should be purchased separately KR J Series UPS 6 amp 10KVA User s Manual 3 6 1 Important Safety Rules Forced open or disassemble a battery is prohibited Because of the internal electrolyte is harmful to skin and eyes When you replace the battery in order to avoid the risk of electric shock and short circuit please pay special attention to the following preventive measures 1 Do not wear watches rings or other metal jewelry 2 Use tools with insulated handle 3 Do not put tools or metal objects on top of the battery 4 Do not let the fire near to the battery no smoking 3 6 2 Installation step 1 To ensure safe operation and avoid unnecessary damage to the equipment the assembly work of UPS with external battery has to be done by the personnel with technical expertise according to following program operation 1 Connect the external battery pack cable but do not connect with UPS external battery input terminal 2 Connect the input power line with UPS but make sure that the correctness of polarity and voltage specifications meet the requirements of UPS 2 When the AC input is normal and UPS without any load turn on the UPS breaker and measure input DC voltage 3 After the charging voltage is normal in Step 2 turn off the UPS And connect UPS with the battery pack check if the polarity of UPS and ba
33. ment that may cause spark to prevent the danger and damage Please do not open or shatter the battery the overflow electrolyte is with causticity that may be harmful to life Please contact the professional personnel of the local dealer or the special maintenance station for any trouble shooting Random disposal of the trouble is not allowed This is an A grade product with electromagnetic compatibility This equipment must be installed and serviced by qualified personnel Before usage confirm that the temperature of the instrument has dropped into the normal run range It is recommended still placement for 24 hours in the normal temperature range before startup Before you replace the battery of different brand and different type make sure the charging voltage is matching with UPS charging voltage due to the different required charging voltage of different battery If any doubt please consult with the manufacturer Any changes of the system configuration structure and composition will influence the performance of UPS please consult with the manufacturer in prior before doing any changes Product Standard Q ZZKJ001 Nei ka 1 1 12 Model Meaning Explanation iiio rettet errore rere tre Fee Petr ex aan 1 1 2 Brief Introduction rrr tree neret eni tree AA 1 1 2 1 Products Characteristics a re ae seer eee elect 1 1 2 2Technical Specification as u a haaa ANAK LAG NAAN caine 3 2 Basic Princ
34. r than 5V if it is not well grounded the voltage may be reach 100V If the users have the strict requirement on the voltage pay attention to the well ground to avoid any unnecessary loss 3 When installing UPS it is prohibited to connect the input and output neutral wires live wires and ground wires wrongly to avoid short circuit In the meantime check the input voltage is normal 4 Please follow the provided instructions and sequences while installing the battery The wires should be fastened to the terminals It is prohibited to short the anode and cathode of battery It is prohibited to touch any two of wire connectors or bare end of connecting wires All the misconducts may lead to damage of battery or personal injury Before connect the battery packs to the UPS check whether the battery voltage conforms to the UPS specification 5 The UPS installation requirement UPS must be evenly placed on the floor avoid slanting or uneven ground Do not place articles on the top of UPS No one is allowed to sit on top of UPS Avoid placing UPS in direct sunlight rain or humid grounds 89 Do not place the UPS in any place with erosive gases 3 2 Installation Steps KR J series 6810 KVA installation flow chart is shown in Fig 3 1 Prepare for installation inspecting installing UPS installing Baitery Unpacking cabinet inspecting installing options equipment and accessories Fig 3 1 System installation flow chart
35. s are in 10096 energy storage status and decrease battery discharge number to prolong life Perfect protection function Functions designed such as output low voltage protection battery low voltage protection current overflowing protection fast current limit short circuit protection etc are able to avoid faults caused by manual operation mistake to guarantee reliable work in different conditions Intelligent RS232 485 communication Optional With RS232 485 standard data interface and dry connector signal supported by UPSilon 2000 power monitor software the status of electric network and UPS can be directly inspected on the computer monitor The product can also support SNMP network adaptor which will convert the UPS as fresh blood of network immediately realizing network administration and improving system reliability KR J Series UPS 6 amp 10KVA User s Manual 1 2 2Technical Specification Table 1 2 1 KR Series 6 amp 10KVA technical specification Output Characteristic Model KR6000 J KR1110 J Index T 120 140Vac half full load Voltage range VAC 140 160Vac 75 full load g 160 295Vac 100 full load S Frequency range Hz 50 60410 Be O Phase Single phase three line a E Battery voltage VDC 192 Capacity VA W 6000 4800 10000 8000 Voltage V 220 2304 2 Frequency Hz 50 60 0 1 Battery mode Waveform Sine wave THD lt 3 transfer time ms 0
36. t voltage and load capacity of main input lines can meet the equipment requirements and consider whether the carrying capacity will decline caused by wire aging KR J series 6KVA require AC input voltage range of 120 295VAC and KR J series 10KVA require AC input voltage range of 120 276VAC The UPS system capacity should be greater than the maximum input power 3 Configuration of the AC input breaker protection Configure with a UPS capacity compatible breaker or distribution cabinet before the installation of UPS cable so as to separate with UPS and main Taking into account the impact of instantaneous power current the breaker should be 1 5 to 2 times current of the UPS input maximum current and 10 KR J Series UPS 6 amp 10KVA User s Manual selection please refers to Table 3 3 1 Table 3 3 1 Sectional area of the breaker capability the breaker with the air leakage protection is not allowed to prevent breaker malfunction Breaker KR J Mode KR J 6KVA KR J 10KVA Max current Breaker capability Max current A Breaker capability A Max current A Breaker capability A AC Input 38 100 60 100 DC Input 33 100 54 100 4 Input and output cable selection UPS AC input output cable and battery cable wire cross sectional area of the selection please refer to table 3 3 2 Table 3 3 2 Sectional area of the cable for UPS
37. the equipment should be checked and charged the battery every three months 28 KR J Series UPS 6 amp 10KVA User s Manual Appendix B Toxic and Hazardous Substances or Elements Table Toxic and hazardous substances or elements declaration Material part name Toxic and hazardous substances or elements Pb Hg Cd Cr6 PBB PBDE Case cabinet metal parts o o o o o o Line bar connector groove x o o o x x Switch relay x o o x x x Cable wire x o o o o o Radiator o o o o o o PCB board x o o o o o Transformer x o o o o o LCD x o o o o o Label o o o o o o Carton o o o o o o Wooden case o o o o o o Battery when applicable x o o o o o Semi conductor x o o o o o Contactor when applicable x o x o o o 1 amp x meaning o The hazardous substance in all homogeneous materials in the parts are within the limit requirement according to standard SJ T 11363 2006 x The hazardous substance at least in some homogeneous material in the parts are within the limit requirement according to standard SJ T 11363 2006 2 Instruction for x technical reasons as follows Pb free solder joints is poor than with lead solder joint According to the current battery technology only the lead battery available lead battery plates Compliance with EU battery directive Stock plastic material part of the element is not complied with RoHS but we ar
38. tion of UPS parallel system double machines parallel is frequently used 21 KR J Series UPS 6 amp 10KVA User s Manual 5 Maintenance Instructions 5 1 Maintenance Guide Correct maintenance is key to optimal operation of UPS and will prolong the equipment s life span 5 1 1 Safety Precautions The following safe operation procedures shall be observed at any time 1 Bear in mind that there is dangerous voltage in UPS even if it is not running Before maintenance and adjustment use a multimeter to check if there is existed dangerous voltage to ensure that the power supply is switched off and it is safe for operation 2 Do not wear gold or silver ornaments like rings and watches etc during operation of UPS 3 Do not take for granted the safe operation procedures If you have any questions please consult those who are familiar with the equipment 5 1 2 Regular Maintenance In order to increase the efficiency and reliability of UPS system please carry out the following steps of preventive maintenance regularly 1 Maintain a clean environment to avoid dust or chemical pollution to the UPS 2 Wiring check once half a year if the input and output terminals have good contact 3 Check regularly the operation of draught fans to prevent choking of draught They shall be replaced in case of damage 4 Check regularly battery voltage and UPS working status 5 Regularly check the working status of the system to ensure timely
39. tput on OVERLOAD in 1 min INV Off Bypass on Fault on Output 220 0V 15096 overload Long beep Protected Output on LOAD PROTECT Once every 0 5 INV off Line off Bypass off Fault Output 220 0V Low voltage point Waning Sec off Output on BAT LOW Battery voltage INV off Line off Bypass off Output 0 0V below protection Long beep Protected Fault on Output off BAT PROTECT point Input breaker Three beep with INV On Line off Bypass off Output 220 0V cutoff or input 100ms interval Warning Fault off Output on LINE FAIL abnormal every 10 sec INV Off Bypass on Fault on Output 220 0 V Over temperature Long beep Protected Output on OVER TEMP Output over voltage INV off Bypass on Fault on Output 220 0V Long beep Protected Output Output on INVERTER FAIL low voltage INV Off Bypass off Fault on Output 220 0 V Short circuit Long beep Protected Output off OUTPUT SHORT Note If commercial power recovers after low voltage protection to battery the product will restart and charge batteries KR J Series UPS 6 amp 10KVA User s Manual 2 2 Structure 2 2 1 KR J Series 6 amp 10KVA Display Interface LINE BYPASS INV OUTPUT FAULT o Q0 k ON OFF SELECT Fig 2 2 KR J series display interface KR J Series 6 amp 10KVA illustration LCD Display LINE When commercial power is normal light
40. ttery pack are correct 4 After assembly the UPS can be used after testing done 3 7 Parallel System Installation Install the system according to previous described methods install the battery pack and UPS host of the parallel system respectively connect the AC output of the parallel unit to the distribution box of parallel system AN Caution The AC input connection phase sequence of the parallel system units should be strictly consistent to ensure that bypass parallel system have the same power phase Connect the parallel port of each unit by the shielded communication line and fasten the corresponding RS232 fastening screws KR J Series UPS 6 amp 10KVA User s Manual 3 8 Electrical Connection 3 8 1 Wire Modes of Single UPS Connect cable accompanied with UPS to relative terminal and ensure reliable connection AN Caution 1 When wiring make sure there should be linked firmly between input amp output wires and input amp output terminal Not allow to loose contact or connect inversely AN Caution When applying single machine no further wiring is needed for bypass live sire and bypass Null wire amp eee GG amp AC OUTPUT PE AC INPUT BATTERY L N e N L L output GND Bat Bat N output L input N input Fig 3 2 Terminal wiring chart of KR J series 6KVA AC OUTPUT PE AC INPU
Download Pdf Manuals
Related Search