UPS KR Series（1~3kVA） User`s Manual
Contents
1. dr SNMP These communication interfaces are optional 4 J w NS ar Te A a SA y N 4 0 Ib I S 4 Rear Panel Rear Panel Fig 2 3 IK VA Series Front Panel and Rear Panel Structure Rear Panel 1 Communication interface 2 AC output sockets 3 External battery connector Optional 4 AC Input socket 5 Fan 7 UPS 1KVA 3KVA Series User s Manual 2 1 3 2KVA amp 3KVA Front Panel Rear Panel Structure Front and rear panel structure of the main unit of 2KVA and 3KVA are illustrated in Fig 2 4 Inside which the switch on rear panel is composed of switch for commercial power input and switch for storage battery The upper switch is for storage battery and the lower one is for commercial power input LED Display Screen Holes for air in LED Front Panel 8 LCD Front Panel LCD Display Screen Holes for air in UPS 1KVA 3KVA Series User s Manual oe Wo 1 7 e K 2 Em Eo e 3 A e Vi y Y TS SZ IZAN U Q ac ovur2. O hj Rear Panel Power Rear Panel Fig 2 4 2KVA And 3KVA Front Panel and Rear Panel Structure UPS 1KVA 3KVA Series User s Manual Rear Panel Battery Breaker Input Breaker AC Input amp AC Output terminal External battery connector Optional AC Output sockets Communication interface Fan Oo NO aA PF YN AC input socket optional 2 2 Basic Principles When commercial power is normal UPS input through PFC increases the voltage to 360V stabilized DC voltage which supplies DC AC inverter and transmits stable 220V AC while at the same time completing the charging of the battery When commercial power is abnormal the battery increases the voltage through DC DC to 360V DC voltage and supplies DC AC inverter UPS principle lock diagram is shown in Fig 2 5 DC AC inverter adopts half bridge structure while DC DC voltage increase adopts push pull or BOOST circ
3. 2 1 3 2KVA And 3KVA Front Panel Rear Panel Giruchure rana nnnannnro 8 2 2 Basic nell 10 2 3 Communication Interface 10 3 Equipment Installation 0 a See da 12 3 1 Site and Environment Requirement cccccceccceeeeeeceeeeeceeeeeeeceeeeeseceeceeesesaeeeeescieeeeeseneeeeeeeas 12 STE EC 12 3 1 2 Environment Requirements cocononccocccccncncncnonooonnnnnnnonononnnonononnnnnonononnnonnnnnnonnnninnnnanononononos 12 3 2 Procedures of Dismantling CaS8S ooooccconccnonncccnococoncncononcnnnnncnnn nn rrnnn cnn nar r narran carr 13 3 9 InstallationiOl UPS isa ota 13 3 4 Selection of EE 14 3 4 1 Selection of Input Circuit breaker cnn nannnnnnnnnnnnnnnns 14 3 4 2 Selection of Input and Output Power Cord Diameter 14 3 5 Cable Connection snc vais ed Bae eee at A aS 15 29 TK VASS EE 15 3 52 2KVA amp SKVA S ET 16 3 5 3 Inspection of Electric Connection cccececceeeecececeeeeeeceeeeeaaeeeeeseaeeeeeseaeeeeetenieeeetsneeeeess 17 4 Equipment Use and Maintenance 19 4 1 Preparations before First Start Up cccceecececeeseeeeceececeeeeeeeeaeeeeeeaeeeeseceeeeeseeeeeeescueeeeescneeses 19 4 2 UPS Start up Sequence 2 ccecceeeeecece cee eeeceee cess centran nn nn nn nr rn n rra 19 4 3 Daily Start up and Ghutdown cono rcc nono A AER 19 4 4 Battery Daily Maintenance cccececccceeeecceeeeeeneeceeceeeeeseaeaeeeceaaceeecsceeeeeseaeaeeessnieeeesscaeeeess 20 4 5 Battery CAMINO RS EE 21 4 6 Maintenance
4. 5 UPS 1KVA 3KVA Series User s Manual Oo e ON LINE SS INVERTER 6 BYPASS FAULT sal Ba aa CA SELECT Fig 2 2 1KVA 3KVA LCD Panel Indicator Illustration Q Mains supply Indicator light INVERTER Indicator light BYPASS Indicator light FAULT Indicator light LCD display screen y P s s ON Key Please press ON key for 0 5 seconds to run the UPS OFF Key Please press OFF key for 0 5 seconds to turn off the UPS SELECT Key backlight or paging The backlight will be automatically turned off without any operation after 10s and y o 00600 s O will be back to output display page or fault page without any operation after 30s Pressing ON key by 3s for battery test after turn on the UPS under AC mode pressing ON key by 3s for mute the buzzer after turn on under battery mode pressing SELECT key by 3s for going back to history log or the previous page 2 1 2 1KVA Series Front Panel Rear Panel Structure 6 Front and rear panel structure of the main unit of 1KVA Series is illustrated in Fig 2 3 UPS 1KVA 3KVA Series User s Manual LED Display LCD Screen SE creen Holes for air in Eo Eo LED Front Panel LCD Front Panel NS RS232 8 DRY CONTACT a Eo El wer RS232 4 USB
5. Guide niee n E A A 21 4 6 1Safety e DEE 22 4 6 2 Preventive and Regular Maintenance ooooccccincccnnnccconcccnnoncccnncnnnnnnnnnnnnnnnn nr rnn rc rnrccrnn nn 22 4 0 3 FAQ EE 23 4 7 Troubleshooting EE 24 A TA QCM OW de Dese n 24 AF 2 TROUDIOSMOOUIAG DE 25 Packing Transportation and Gtorage airi E EE E AE A EAEE 26 ST PaCkiNg EE 26 52 Trans ele e EE 26 Ree EE 26 1 Overview 1 1 Profile 1KVA 2KVA 3KVA UPS are high frequency pure online and intellectualized UPS They are also ideal power guarantee for file server enterprise server central server microcomputer concentrator telecommunication system data center medical facilities and those require high quality power protection They can be widely used in many key business areas such as post amp telecom finance network securities and railway etc 1KVA 2KVA 3KVA UPS are single phase alternating current input and output Each series has two products including standard time delay model and long time delay model 1 2 Performance Index The main performance index of 1KVA 2KVA 3KVA Series is shown in Table 1 1 Table 1 1 UPS Main Performance Index Index Model 1KVA 1KVA L 2KVA 2KVA L 3KVA 3KVA L 2 Rating voltage V In range 160V 290V full load 50 load even voltage low to 120V Rating frequency Hz 50 10 60 10 pre set Le S Input mode Single phase three line 2 5 Battery voltage V 36 72
6. disconnection condition and the equipment is properly installed 3 5 1 1KVA Series All input and output connection methods of 1KVA series are shown in Fig 3 2 Commercial power input 1 Take off cover 2 DC Input 10 000 000 DC Source qH Socket output to load gt Da Socket output to load gt gt Socket output to load gt gt Fig 3 2 1KVA Series connection Schematic The AC input and output of 1KVA series only adopt the socket Please insert the power input wire in the commercial power socket directly and insert the load power cord into the output socket A 1 The power supply socket should be installed near UPS and easy to touch 15 UPS 1KVA 3KVA Series User s Manual 2 For long back up UPS battery connector is required to be connected That is insert the battery connection wire plug of the battery box into the DC connector on main unit rear panel Refer to the relevant content of the battery box installation and cable connection 3 Battery connector is not allowed to be connected before AC power input 3 5 2 2KVA amp 3KVA Series The input and output connection methods of 2KVA 8 3KVA are shown in Fig 3 3 A ata Es a output to load For long time delay UPS connect to commercial power first switch on ai
7. 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 13 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 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 Contents LOVE a A ia 1 VD te EE 1 1 2 PEOrMAncS EE 1 1 3 Primary Functions and Characteristics oooooconinccnnncnnnnccnnnnnancnccnonananrn cnn rn rnnr narrar rana 2 1 4 TEE 3 2 Structure and Basic Principles au cial a aida 5 2 1 General SUCIO iii AAA ied nee 5 2 1 1 IKVA 3KVA Panel Indicator rca crac rr 5 2 1 2 1KVA Series Front Panel Rear Panel Giructure 6
8. the UPS allowable input voltage range of power supply 4 UPS works well when computer is in operation After power failure UPS works properly and the computer breaks down Possible cause Poor earth connection as a result of much too high floating voltage of the zero line and earth wire 5 All of panel indicator lamps are off Possible cause Poor connection or malfunction of display control panel 25 5 Packing Transportation and Storage 5 1 Packing UPS main unit is packed in packing paper carton The interior volume of the carton L x W x H is 625mmx320mmx465mm 2KVA 3KVA and 510mmx275mmx345mm 1KVA Pay attention to laying direction requirements for each part when packing The side faces of the carton are printed with such direction marks as keep dry handle with care this end up pile number limit as well as equipment model and other relevant information 5 2 Transportation 5 3 Storage Handle the goods with care avoid violent impact During transportation place the cartons in strict accordance with the laying direction indicated on the packing carton to avoid damage to the devices The system equipment shall be stored in dry warehouse Do not expose it to insolation or rain Place it in the way as shown on the packing boxes Store it where the ambient temperature is between 25 C 55 C except for battery It is recommended to store the standard device and battery at places with temperature betw
9. the equipment or fittings are damaged during transportation or the equipment and fittings are not accord with the ordering contract make site record in time and immediately contact the local office or distributors 3 3 Installation of UPS Because the main unit size of 1KVA 2KVA 3KVA Series standard time delay model and long time delay model is small the UPS can be placed on the flat surface directly without other fixing or installation For convenient operation maintenance and heat emission of the equipment there shall be at least 30cm 50cm room space reserved around the machine frame and 50cm above the upper machine frame The vent fan shall be installed beside the battery Keep good interior ventilation The service life of the battery is the longest when the battery is used under normal temperature 20 C Recommend to install air conditioning equipment in equipment rooms with allowed conditions Refer to Fig 3 1 for the precautions of UPS installation and use x Fig 3 1 Precautions of UPS Installation and Use 13 UPS 1KVA 3KVA Series User s Manual 1 Place UPS on flat floor avoid oblique and ragged floor 2 Keep good ventilation the distance of the back and side to the wall should be above 30cm 50cm to facilitate heat emission 3 Avoid placing it in the location with sunshine rain or dampness 4 Never place it in the location with corrosive air 5 Do not place articles on or a
10. 96 Capacity DNA 1000 700 2000 1400 3000 2100 Voltage V 220 2 230 2 240 2 pre set x Frequency Hz 50 0 2 6010 2 Battery mode pre set 2 Waveform Sine wave E Voltage distortion i 5 EE THD lt 3 Linear load Power factor 0 7 Lag E Switching time ms 0 Overload capacity 105 130 Load lasting 60 seconds 135 150 Load lasting 30 seconds 2150 lasting 300 milliseconds Output mode Sockets Sockets and or Terminal 1 UPS 1KVA 3KVA Series User s Manual Other Characteristics Spare time Rational Rational Rational 5 minutes configuration 5 minutes configuration 5 minutes configuration PC LOAD for long time PC LOAD for long time PC LOAD for long time delay delay delay Charge recovery time lt 12 hours Standard time delay model Communication interface RS232 interface supports UPS power management software or SNMP protocol Panel display LED LCD displays operation status of UPS Warning function Battery low voltage abnormal power supply UPS malfunction Protection function Battery low voltage protection overload protection short circuit protection and excess temperature protection Frequency noise dB lt 45 Working temperature 0 40 Relative humidity 0 95 No condensation Size mm 156x400x220 198x490x347 W xDxH Weight kg 13 6 5 25 14 29 15 e Specifications are subject to change wi
11. UPS KR Series 1 3kVA 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 Fab p 10 11 14 AN WARNING AN The input and output of the instrument is with danger high voltages which may endanger the safety of life Please strictly follow the operating description 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 line bank or the socket may still have dangerous voltage even if the main power is disconnected Please remove the cable between the battery amp UPS before repairing Its 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 equipment that may cause spark to
12. ard value Normally battery will be charged and discharged every four to six months First discharge until shutdown then charge The charging time for standard device should be no less than ten hours each time At high temperature region the battery should be charged and discharged once every two months The charging time for standard device should be no less than ten hours each time Batteries of different capacity type and produced by different manufacturers should not be mixed when using When cleaning battery case only use wiping cloth and clear water do not use oil substance or organic solvent such as gasoline and thinner etc 7 UPS 1KVA 3KVA Series User s Manual Battery and battery unit should be kept away from ignition source as well as all electrical equipment that may easily cause spark to avoid causing unnecessary loss 8 During the use of battery unit equipped for UPS regularly check if the charger is in good condition to prevent the battery from being overcharged or undercharged for a long time and to avoid excessive discharge of battery After discharging immediately no later than 24 hours perform complete charging only after then will the re discharged be allowed Never re discharge if the battery is not completely charged otherwise it will cause decrease in battery capacity or even damage to battery When not using UPS please turn off the OFF switch on the panel to avoid c
13. ausing long time battery discharge after commercial power failure If the UPS has not been used for a long time regularly perform charging and discharging of battery to avoid battery damage due to self discharging 4 5 Battery Changing When changing storage battery pay attention to the following 1 2 Do not throw battery into fire to avoid explosion Do not open or disassemble battery as the electrolyte is harmful to skin and eyes Properly recycle the battery according to relevant instructions thereon Replace the used battery with new ones that are of same type and grade Please consult the professional engineer to replace the battery Dangerous voltage may exist between battery terminal and the ground Test before touching 4 6 Maintenance Guide Proper maintenance includes preventive maintenance and remedial maintenance which is crucial to optimum operation of UPS and can ensure relatively long service life of the equipment Preventive maintenance includes 21 UPS 1KVA 3KVA Series User s Manual some procedures that are frequently performed These procedures are used to prevent system failure as well as to obtain best operating efficiency Remedial maintenance includes searching for system malfunction to facilitate effective repair 4 6 1 Safety Precaution In order to securely and successfully conduct system maintenance relevant safety precautions must be observed and necessary tools and t
14. bar line at the right corner to prevent loose 3 5 3 Inspection of Electric Connection 1 Inspection of AC input wire Whether the AC wire color spectrum is normative Whether the wire diameter of AC input cable is suitable Whether control switch is connected outside Whether the connection of line wire L neutral wire N and ground wire PE is correct Whether the connection of AC input wire is firm Inspection of AC output wire Whether the AC output wire color spectrum is normative Whether the wire size of AC output cable is suitable Whether switch in the control switch outside Whether the connection of line wire L neutral wire N and ground wire PE is correct Whether the connection of AC output wire is firm Inspection of ground wire Whether the ground wire of UPS is connected to the ground line bank of the equipment room Whether the connection of ground wire is reliable The inspection of the voltage difference between neutral wire and ground wire the voltage difference should be less than 5Vac If the customer adopts the configuration of long time delay model examine whether the battery cable connection of main unit box and battery box is correct and reliable 17 UPS 1KVA 3KVA Series User s Manual 18 Ifthe UPS is installed with remote monitoring equipment examine whether the connection of relevant RS232 serial port is correct Examine whether the wiring is in order whet
15. cuit short circuit Reduce the load to an adequate amount or check the cause for short circuit In many cases it is caused by output adapter short circuit or input short circuit fault owing to 23 UPS 1KVA 3KVA Series User s Manual equipment damage 2 Failure to follow the load start up sequence which shall begin with heavy duty equipment to low duty ones Restart UPS and wait till UPS runs stably first start heavy duty equipment and then devices of lower duties Problem 5 UPS works properly after start up and automatically shuts off after a certain period of time Cause battery unit is not charged in time and is working under battery supply status not powered or not connected to power grid thus resulting in battery low voltage protection of the UPS Warning in the case of UPS battery low voltage protection please immediately turn off all switches and restart the UPS and charge the battery to full capacity when power supply recovers Long period low voltage of the battery will shorten the service life of the battery Problem 6 After working for a certain period with normal input display the buzzer gives intermittent buzzing and displays battery low voltage simultaneously Cause too low power grid voltage makes the UPS work under battery feed status When the battery runs low and low voltage occurs it enters into protection status Problem 7 UPS is started and working When power supply breaks down UPS fa
16. d in the sequence of high power to low power first start the high power equipment then in turns start equipment with lower power 3 Start computer or other equipment 4 3 Daily Start up and Shutdown During daily operation operate as per the following for start up or shut down 19 1 2 UPS 1KVA 3KVA Series User s Manual Press the ON button on the UPS panel to start UPS after 10 seconds turn on the computer or other instrument Before shutdown turn off the computer and other instrument first and perform no load operation of UPS for 10 minutes After the heat in the equipment has been discharged press the OFF button on the panel 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 4 Battery Daily Maintenance 1 If the equipment has not been used for a long period it should be charged for more than ten hours Before operating the equipment please charge it for ten hours after start up The equipment can still be used during charging If power failure occurs at the same time this discharge time may be under stand
17. der low temperature environment So please install and use machine when machine was full dry or there will has dangerous of electric shock 3 UPS 1KVA 3KVA Series User s Manual 4 Warning Input and output voltage of this equipment is dangerous high voltage which can endanger personal life or safety Please read carefully this Manual during installation operation and before use Pay attention to various caution nameplates and caution statements Professional maintenance personnel without proper authorization are not allowed to remove off the case cover of this equipment 2 Structure and Basic Principles 2 1 General Structure 2 1 1 1KVA 3KVA Panel Indicator BYPASS O QU La de DI LINE INV LOAD i 100 100 eS BAT Fig 2 1 1KVA 3KVA LED Panel Indicator Illustration BYPASS Indicator light Mains supply Indicator light INVERTER Indicator light Capacity indicator of load contain four lights each standing for 25 of total capacity Capacity indicator of Battery Indicator light contain four lights each standing for 25 of total capacity FAULT Indicator light ON Key Please press ON key for 0 5 seconds to run the UPS OFF Key Please press OFF key for 0 5 seconds to turn off the UPS Pressing ON key by 3s for battery test after turn on the UPS under AC mode pressing ON key by 3s for mute the buzzer after turn on under battery mode
18. een 0 40 C and relative humidity between 20 80 No harmful gas inflammable detonable goods or corrosive chemicals shall be kept in the warehouse which shall also be free from strong mechanical vibration impact and intense magnetic field affect If not otherwise specified the storage period of the equipment under the required conditions of this clause is 6 months During long term storage charge the storage battery every 3 months 4402 00527
19. ent only after meeting the conditions of safe and normal equipment operation 3 1 1 Site Requirements The site conditions should accord with the essential conditions of safe and normal equipment operation as stated in this section 1 The equipment room must be equipped with applicable and effective fire apparatus 2 The commercial power which supplies power for UPS should be equipped with dedicated circuit breaker or utility socket 3 Strictly prohibit to store dangerous things such as inflammable things explosive things in the equipment room 4 Before equipment installation the ground wire should be prepared The voltage of neutral wire and ground wire of commercial power cannot exceed 5V 5 The civil engineering construction of the equipment room should be completed totally and the floor should be sclerotic The site must be tidy and dry without dust 3 1 2 Environment Requirements Ambient temperature 0 C 40 G Relative humidity O0 RH 95 RH no condensation Cooling mode air cooling Verticality no shock with orthogonal rake not exceeding 5 12 UPS 1KVA 3KVA Series User s Manual 3 2 Procedures of Dismantling Cases When installing the equipment the packing should be removed after carrying the equipment to the installation site The packing of UPS equipment and fittings battery etc should be wooden case and carton Check the UPS equipment and fittings against the shipping list If
20. esting equipment must be used with the participation of qualified maintenance personnel Pay attention to the following safety operation rules 1 Bear in mind that there is dangerous voltage in UPS even if the UPS system is not in operation 2 Make sure that the UPS operation and maintenance personnel are familiar with this equipment and the content of this Manual 3 When operating UPS do not wear gold or silver jewelry such as ring or watch etc 4 Do not take the safety operation procedure for granted If there is any doubt consult personnel who are familiar with the equipment 5 Be cautious that there is dangerous voltage in UPS Before maintenance and adjustment use voltmeter to check and ensure that the power is turned off and the equipment is under safe condition 4 6 2 Preventive and Regular Maintenance The following shows the preventive maintenance procedures which will improve UPS system operation efficiency and reliability 1 Keep the environment clean to avoid dust and chemical contamination to the UPS 2 Cable connection Semiannually check the input and output cable connecting terminals once Carefully measure and check them to ensure good contact 3 Check the working status of the vent fan on a regular basis to prevent clogging of the air outlet Repair it if there is any damage 4 6 3 FAQ UPS 1KVA 3KVA Series User s Manual 4 Perform periodic inspection on battery voltage and UPS working stat
21. he battery remains off discharge thus all energy output are taken from electric network ensuring the battery in the state with 100 energy storage while at the same time decreasing the battery discharge times and prolonging its life Abide by the following general safety precaution during operation or maintenance 1 10 Please don t remove the cover This system can only be maintained or repaired by professional maintenance personnel Protective ground terminals should be connected to earth end for sure High leakage danger Connect to the ground before connecting UPS Install this UPS indoors with both temperature and humidity under control and without dust The electric power of this UPS has multiple sources Before maintaining cut the alternating current exterior battery or interior battery s circuit breaker to isolate the input energy Even if the AC power supply has been cut off the danger from battery s high voltage inside the UPS still exists If battery circuit has not been isolated from AC input dangerous voltage may possibly exists between battery terminal and ground terminal High voltage endangering personal safety exists in the storage battery of this UPS Please pay attention to insulation during installation and use Improper handling of acidic battery leads to leakage risk of chemistry dangerous substance and corrosive liquid Dripping condensation should be happen if machine was operated un
22. her the cable binding accord with the technical criterion Examine whether the installation and wiring are in favor of the future system modification expansion and maintenance 4 Equipment Use and Maintenance 4 1 Preparations before First Start up To ensure normal operation of UPS please confirm the following before use 1 Correct installation of input and output 2 If the circuit breaker at the back of UPS is placed at OFF 3 If the power end is connected to rated input power supply 4 Confirm that UPS output does not short circuit and the load capacity does not exceed UPS capacity 5 Confirm if computer or other instrument is turned off 6 Confirm if battery voltage is normal 7 It is not recommended to connect reactive load to the UPS output Loads are normally powered by electric network directly 4 2 UPS Start up Sequence After confirming all the above please start the machine by following means 1 For 2KVA 3KVA series turn the circuit breaker at the back to ON position Step 2 of direct operation of 1KVA series 2 Press the ON button on the UPS panel to start UPS the INV indicator light will light up After retardation time the BYPASS light goes out and the UPS is changed inversion power supply By this time the start up is completed and the equipment starts operation Wait for about 20 seconds after normal no load operation to turn on the computer or other instrument Start the loa
23. ils to output power Cause the battery unit is not connected to main unit or is severely damaged 4 7 Troubleshooting 4 7 1 Overview In the case of device failure first of all find out any obvious damage and try to determine what causes the failure device problem or external environment such as temperature humidity and load Always check these external factors before coming to the conclusion of UPS system damage UPS 1KVA 3KVA Series User s Manual 4 7 2 Troubleshooting Only some simple troubleshooting suggestions are provided here If the diagnosis result is not certain or the information given here is not sufficient for problem solving please turn to your local office or distributor for repair 1 Buzzer gives long buzzing trouble light is on UPS is powered through bypass and inverter fails Possible causes 1 Output overload or short circuit results in UPS automatic shutdown protection 2 Driving or power tube malfunction 3 Master control board failure 4 UPS Over temperature protection 2 UPS works properly when power supply is OK but it fails to function during power failure Possible causes 1 Battery failure 2 Battery charger malfunction failing to charge battery when power supply is OK 3 Poor contact between battery connecting wires or connecting terminals 3 Intermittent buzzing of the buzzer when UPS input is normal Possible causes Abnormal input voltage that exceeds
24. r switch then connect to battery expansion line POWER Commercial power input INPUT PE DC 2 DC Source Input NOS Socket output to load E ra A ocket output to oad Output socket deg E Zon Socket output to loa Joad sharing A lt Fig 3 3 2KVA 8 3KVA Series connection Schematic AC input of 2KVA 8 3KVA series adopts line bank and the AC output adopts socket and line bank You can insert load power cord into the output socket directly Normally the load current of each socket cannot exceed 10A A 1 When connecting the line bank take the small cover board off from the line bank and pay attention to the definition of connection terminal from the left 16 UPS 1KVA 3KVA Series User s Manual to the right rear view orderly are live wire L neutral wire N and ground wire GND After the connection please check up whether the wire of connection is correct and firm and then install the small cover board back to the box 2 For long back up UPS battery connector is required to be connected Refer to the relevant content of the battery box installation and cable connection NOTE 1 if choose IEC input socket the terminal input connector will be cancelled 2 When the input and output connection are terminals after the wiring has been completed tie the cables and fix them to the hooks which are located below the
25. round the UPS to prevent the vent hole from being blocked No person is allowed to sit on it 3 4 Selection of Cable 3 4 1 Selection of Input Circuit breaker Before the input coil in of the equipment install an circuit breaker or a distribution box compliant with the power and capability of the equipment to isolate it with commercial power Consider especially the charge power and the current shock the input circuit breaker can be higher than 1 5 2 times most current of UPS input which is without leakage current protection in order to avoid error action The distribution box should be better to be manufactured by professional company Please refer to Table 3 1 Table 3 1 Recommended Sectional input circuit breaker AC Input DC Input 3 4 2 Selection of Input and Output Power Cord Diameter 14 For the selection of conducting wire sectional area for UPS AC input and output cable and battery cable please refer to Table 3 2 for corresponding recommended values and choose values upwards UPS 1KVA 3KVA Series User s Manual Table 3 2 Recommended Sectional Flow of Cable Sectional Area of UPS Ampacity Sectional Area mm A 1 1 5 2 5 4 6 10 16 25 Rubber 8 12 20 28 42 70 96 125 25 C Plastic 25 C 6 9 15 20 30 50 64 100 3 5 Cable Connection To connect UPS cable only after confirming that all circuit breaker on UPS are in
26. thout prior notice 1 3 Primary Functions and Characteristics 2 1 Intelligent RS232 communication function With RS232 standard data interface and UPS power management software realize three remote control functions between computer and UPS computer supervises UPS operation and electric parameters and realize long distance power on off function as well as supporting SNMP network adaptor outlaid connecting UPS through RS232 interface which enables UPS to directly become the new member of network 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 price ratio Adopts multiple power transfer and high frequency PWM technique high efficiency small size and light weight as well as improving operational reliability and reducing manufacturing cost which lowers the cost of the system design for customers Perfect protection function Possess such functions as output low voltage protection battery low voltage protection input low voltage protection and UPS 1KVA 3KVA Series User s Manual 1 4 Precautions triple overflowing protection etc and overcome previous defects such as high frequency UPS poor adaptability and weak resistance to shock for electric network Low commercial power input voltage Adopt independent quick detection technique even at the lower limit 120V of commercial power t
27. uit PFC is active power factor correction circuit controlled while CHARGER is complete isolation type charger la PFC EE DC AC _ 220Vac CHARGE BATTERY Fig 2 5 UPS Basic Principle Block Diagram 2 3 Communication interface There are 4 kinds of communication interface for choosing see Fig 2 6 10 UPS 1KVA 3KVA Series User s Manual ojo EJ Eo ojo RS232 USB SIGNAL RS232 RS232 amp USB RS232 amp DRY CONTACT res C oF Jo 2 se RS232 SNMP SC RS232 Corresponding relations of pins for the communication interface of this series UPS and those of general PC are shown in Table 2 3 Table 2 4 Table 2 3 Corresponding relations of pins for the RS232 serial ports of this series UPS and those of general PC 2 Receive 3 Deliver 5 Ground Table 2 4 Dry contact detail list Battery in normal P1 P2 close P2 P3 open Utility in normal P4 P5 close P5 P6 open UPS in normal P7 P8 close P8 P9 open 11 3 Equipment Installation 3 1 Site and Environment Requirements Before UPS installation the site and environment of equipment room should meet the essential conditions for safe and normal operation of equipment as defined in this section If the customer s site conditions are not accord with the minimum requirement of safe equipment operation the customer should make corresponding changes to the site conditions and install the equipm
28. us If the UPS fails to work properly after starting please don t jump to the conclusion of UPS failure Please refer to the following and try to solve the problem Problem 1 Power supply is normal UPS is able to output AC 220V after start yet in the status of battery inversion with buzzer giving intermittent buzzing Possible cause Unstable AC power input as a result of poor contact of the junction points sockets or other connection parts of the electric network feeder circuit connected to the UPS Problem 2 After UPS is installed and after the electric brake or UPS ON button is switched on the fuse will be burnt out or tripping occurs Cause wrong connection of three UPS input wires for example zero line or fire wire is connected to UPS earth wire case or wrong connection of three UPS output wires Problem 3 After UPS is started it outputs AC 220V yet it s working under bypass status BYPASS keeping lighted Possible cause too heavy load sustained by the device which exceeds rated power of the UPS In such cases relieve the load to the UPS or use a UPS of higher rated power capacity If it is a temporary bypass status caused by start up impact of the load and returns to proper status automatically that s normal operation Problem 4 Display and output of the UPS are normal after start However the output stops as soon as load is connected to it Cause 1 UPS severe overload or output cir
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