2. Safety Instructions
Contents
1. 18 Pee NED ONS DIY Pc DILE 18 FISILGD GIS OlAY M 19 8 Troubleshooting Gel Disblay OSS AC acd sisson tene e n ra EOS a Uu ue uReo Dot oet etn itu tid 23 9 Technical data 29 10 Appendix 10 1 Exclusion OM WAIT EE EE 31 1 Manual Instruction 1 1 Symbols used in this manual This manual contains important instructions for safety and operation which must be understood and carefully followed during installation and maintenance of the equipment In order to reduce the risk of electric shock and to be sure that the equipment is correctly installed and ready to operate special safety symbols are used in the manual to highlight potential safety risks or useful information The symbols are the following DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation which if not avoided could result in property damage Information provides tips that are valuable for the optimal installation and operation of your product 1 2 User group This manual is for electrically skilled persons The tasks described in this manual may only be performed by electrically skilled pe2. NULL lt lt 21 1 AC over voltage Grid voltage is over 300V 2 voltage value fault code 1 AC over voltage 2 voltage value fault code While feeding grid system detects 1 AC over voltage grid transient voltage over bus 2 voltage value fault voltage 15V code 1 AC under oltage 2 voltage value fault Grid under code voltage 1 AC under voltage 3 Grid voltage is under 110V and i 2 voltage value fault over 20V code 1 AC Over Freq 2 Freque value fault code 1 AC under Freq 2 Freque value fault code 1 Bus over voltage Bus transient voltage is over the reset bus voltage protection point E US VAVAI valle Bus over i id fault code voltage 1 Bus over voltage Bus voltage is over the preset bus 2 Bus voltage value voltage protection point ge p P fault code Grid Over Grid voltage is over the preset over voltage voltage protection point Grid voltage is under the preset under voltage protection point Grid over Grid frequency is over the preset frequency over frequency protection point Grid under Grid frequency is under the preset frequency under frequency protection point PV isolation 1 lsolation Fault resistance PV isolation resistance check fails 2 NULL Output DC While feeding grid system detects Injection the dc current component injecting to the grid 1 High DC omponent 2 NULL 1 High temperature 2 Temperature value fault code Leakage 18 Ac leakage current is over the 1 Hig
3. enclosure parts Do not touch enclosure during operation Only touch the lid during operation DANGER Before opening the housing the inverter must be disconnected from the grid and PV generator while you must wait at least 5 minutes to let the energy storage capacitors fully discharged after disconnecting from the power sources The installation must be performed in full compliance with national and local standards and regulations lt lt 3 Be sure that the PV generator frame and inverter connect to the ground in order to achieve maximum protection of the system and personnel 3 Unpacking 3 1 Scope of delivery Check the delivery for completeness and for any visible external damage Contact your dealer if anything is damaged or missing Object Description GQuaniity EAST EA1KLPV EA1K5LPV EA2KLPV inverter BO DC plug connectors 1 x positive 1 x negative AC plug assembly Mounting screws 2 1 Eee Mating connector for RS485 terminal block L www RS 3 2 ldentifying the Inverter You can identify the inverter by the type label The type label is on the right side of the enclosure The serial number Serial No and the type Type Model of the product as well as device specific characteristics are specified on the type label 4 gt gt 4 Mounting the Device 4 1 Security DANGER Danger to life due to fire or explosion e Despite careful construction electrical devic
4. n gt pj L l E f aw PS T Y PA i HN r 1 p I PE qe a z T v m yx e h i apa RN DR d E s a qe i s 4 1 e z E P Wibus i 5 Electrical Connection 5 1 Connection Area Overview The following figure shows the assignment of the individual connection areas on the bottom of the inverter RS485 RS485 lt lt 9 DC input Plug in connectors for connecting the PV strings Communication connection area PV inverters are configured via RS485 interface AC output Socket for grid connection 5 2 System Diagram The typical connection diagram for the entire PV system is shown in the following figure Used as a protective device during electrical connection User mE must equips this device according to the maximum input DC circuit voltage and current You must choose the external DC circuit breaker breaker whose rated current is 20A and the max breaking capacity can reach more than 1kA Provide DC power to the inverter The allowable maximum open circuit voltage of the PV arrays is 550V and maximum PV arrays o short circuit currents 13 5A for EA1KLPV 14 5A for EA1K5LPV 15 5A for EA2KLPV 10 gt gt Remote PC User equips this device to monitor the state of the inverter Used as a protective device during electrical connection You mE must choose the external AC circuit breaker whose rated AC circuit curre
5. A2KLPV i EA1IK5LPV E Max input current 15 5A Rated AC power 1000W 1500W 2000W Max AC power 1100W 1650W 2200W Nominal AC voltage 230Vac 180 V 265 V Grid frequency range 44 Hz 55 Hz Nominal AC current 8 7A Output AC Power factor Grid voltage range Harmonic distortion THD lt 3 at rated output Number of grid phases Night consumption Power consumption at Q standby ICIenc 29 MPPT adaptation E 99 596 99 596 99 5 efficiency DC reverse polarity protection mee DC Insulation monitoring Yes Protection AC short circuit protection Yes devices Grid monitoring Yes Ground fault monitoring Yes DC current monitoring Yes Islanding protection ES ee eee Net Weight 13 5kg Operating temperature 25 C to 60 C up 45 C derating range Relative humidity 0 to 100 non condensing Up to 2000m without derating above sea Site altitude ed eve IP protection type IP65 General data Noise emission lt 40db A LCD display Backlight 16x2 Character LCD Data logger Data communication RS485 interfaces 30 gt gt 10 Appendix 10 1 Exclusion of liability The content of these documents is periodically checked and revised when necessary please call us for the latest information However discrepancies cannot be excluded No guarantee is made for the completeness of these documents Please contact our company or distributors to get the latest version Guar
6. BUS oov AC 0 XV xxx 2 Grid voltage and current FreqxooHz 2 Grid frequency ooo Etoday xx xxKWh 4 Energy today PV xxx xV Xx xxA PV voltage and current On Grid BUS xxx xV AC Xxx xV Xx xxA EE NE Grid voltage and current Freq xx xxHz Grid frequency Upper pc key stop display until key Key stop Null Pis star Bus voltage 2 2 2 2 2 2 2 2 4 4 4 4 4 20 gt gt Upper pc key start display until entering standby Dc over voltage fault value and fault code Ac over voltage fault value and fault Info xxx xV xx code Ac under voltage fault value and fault Info xxx xV xx code Waiting ke ve Null start Ac over frequency fault value and fault Info xx xxHz xx d code Ac under frequency fault value and fault Info xx xxHz xx code Relay check fail fault value and fault Info xxx xV xx code Temperature abnormal value and fault Info xxxXx xx code E Other fault display countdown and fault Waiting xxxs xx 3 code Fault Fault m Fault Descriptions LCD displays Messages Code The slave DSP detects the grid fault and communicates with the 1 Island master DSP through the parallel 2 NULL port 1 Island 2 hecks grid faul System start checks grid fault gt NULL Island Phase lock program detects zero 1 Island ignal for th l 3 signal for three continuous grid gt NULL cycle 4 Active islanding program detects 1 Island the grid fault 2 NULL 1 Island 20V 5 Grid voltage is under 20 gt
7. PV Grid connected Inverter EA1KLPV EA1K5LPV EA2KLPV SISTI TOM ENVEI Contents 1 Manual Instruction T do yimnbols used mthisTmaltla lssssescsisusduvkrs eed ea sed zd eR DESEE A 1 I 2 User COUP oce icut ane ue tet tee acd Le Dt c Ct tt 2 us mu iyM c Q 2 2 Safety Instructions 2 D Eao Eo sg uc tc iui t EU iM I ML ILE 2 zx OAICly INSU UC TONS caste em D ERES NETEN N N 3 3 Unpacking Spesso 4 cwcarer miiaomis iinu licget c teen ee E ee 4 4 Mounting the Device ASN SSO UMIY me 5 4 2 Selecting the mounting locaton eod Aled ininde esc vara dat paio banda benda A pud atest 5 4 3 Mounting iNsStr CtIoNS Senet arene ED e 7 5 Electrical Connection Ds TGongeotoh Area OVeIvl CW ie vera hinaverelina vere inate oae wins en edet eda ttc d andes wade e d E d EE 9 5 2 System AGT alise E AR t RR UAR puta paca Vo eue edu TE edocs gener eL C den 10 TO OS IZM ear Hr 11 5 4 Connection of the PV generator DG oet aee rasant ner dec ieee Deer eres ee eens 12 5 5 Connecting the inverter to the grid creer ret rp re x E nr RR RR R Rex YR RR UR RR ERA RR ARA 13 5 6 Connecting Communication cable orte de eu ordner ortum rrt n kx en el en celi Ra eR RT ER TA niaaa 16 6 Switch on and off SPW VOI NUT i eei er a aa a a aaa 17 REEE lilt Ol RE AEE TT tous DC ccce 17 7 Operation PAIS PIAY OV UII m
8. antee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Improper or inappropriate use or install of the product Installing or operating the product in an unintended environment Installing or operating the product when ignoring relevant safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Installing or operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond allowed limit values Incase of unforeseen calamity or force majeure lt lt 31
9. ch may be perceived as a nuisance in a living area Observe the following minimum clearances to walls other devices or objects to guarantee sufficient heat dissipation and enough space for pulling the Electronic Solar Switch handle 6 gt gt 4 3 Mounting instructions Mounting procedures a Drilling holes There are holes on the mounting template in the accessory which is for help of orientation Drill four holes for the screws at the selected installation position The space between every two holes is shown in the figure below Keep drilling vertical to the wall and don t shake the drill to avoid holes tilting The depth of the holes must be the same and 55mm 60mm After removing the dust in the four holes measure the net depth of the holes If the depth is deeper than 60 mm or less than 55 mm the wall plugs wouldn t be installed and tightened 280 OS 245 b Wiring the screws After drilling holes in the wall place four wall plugs object2 shown in the left drawing below in the holes using a rubber hammer Then wiring four screws object1 into the wall plugs lt lt Before inserting wall plugs measure the depth of every hole and the distance between every two holes If the measured values do not meet the installing requirements re drill holes in the wall i Th 1 5 3mm c Attach the inverter to the screws downwards slightly 8 gt gt Pol a L
10. elf you can operate the inverter through the front panel screen 3 The process of emergency shutdown If you need shut down the inverter in emergency first turn off the AC breaker then turn lt lt 1 off the DC breaker otherwise it may lead to the damage of the DC breaker and danger to people If any damage or loss occurs due to not following this requirement we will not follow the warranty 7 Operation 7 1 Display Overview SOLAR INVERTER o 10 Descriptions GREEN LED Working normally RED LED Fault 2 line LCD display 7 2 LED display The PV inverter is equipped with two LEDS including green and red which indicate three different modes of operation Green LED Normal mode The green LED lighting indicates that the inverter is active and working normally 18 gt gt Whenever the supplied power from PV panel is sufficient voltage gt 120VDC Inverter converts power to the grid If the power is insufficient voltage lt 90VDC the inverter enters a waiting state Red LED Fault mode The red LED indicates that the inverter has stopped feeding power into the grid because of fault and the corresponding fault information will display on the LCD at the same time All off Shutdown mode During periods of little or no sunlight Inverter automatically stops running In this mode Inverter does not take any power from the PV panels The display and LED s on the front panel do not work 7 3 LCD display T
11. es can cause fires e Do not mount the inverter on flammable construction materials e Do not install the inverter in areas where highly flammable materials are stored e Do not install inverters in areas with a risk of explosion e Take the weight of the inverter into account for transport e Select a suitable mounting location and mounting surface Mount the inverter in such a way that it cannot be touched inadvertently 4 2 Selecting the mounting location Consider the following requirements when selecting the mounting location gt The mounting method and location must be suitable for the inverter s weight and dimensions see section 11 Technical Data page 80 gt Mount on a solid surface gt The mounting location must at all times be clear and safely accessible gt Mount vertically or tilted backwards by max 15 lt lt 5 VV VV ON ON WV The connection area must point downward Never mount the device with a forward tilt Never install the device with a sideways tilt Do not mount horizontally Mount at eye level to allow operating states to be read at all times The ambient temperature should be below 40 C to ensure optimum operation Do not expose the inverter to direct sunlight as this can cause excessive heating and thus power reduction In living areas do not mount the unit on plasterboard walls or similar to avoid audible vibrations When in use the inverter emits noises whi
12. f it is necessary The relay between the inverter and grid is not functional Relay check Corrective measures fail Restart the PV Inverter f fault remains disconnect the PV Inverter and contact the EAST Service line Output Relay Failure Output DC injection too high Corrective measures Output DC Injection too High DC amp Check the connection of the DC Input high Component Restart the PV Inverter if fault remains disconnect the PV Inverter and contact the EAST Service line lt lt 2 EEPROM inside has data access problem EEPROM Corrective measures failure Restart the PV Inverter if fault remains disconnect the PV Inverter and contact the EAST Service line Communication between MCU inside is abnormal Communication failure SCI failure Corrective measures between microprocessors Restart the PV Inverter f fault remains disconnect the PV Inverter and contact the EAST Service line The DC BUS inside is higher than expected Corrective measures Check the DC voltage if the DC voltage DC bus voltage is Bus Over is above the maximum input voltage too high voltage contact the system installer f the DC voltage is under the maximum input voltage restart the PV Inverter EEPROM Problem f fault remains disconnect the PV Inverter and contact the EAST Service line 28 9 Technical data SpecificationType EA1KLPV EA1K5LPV E
13. fuses of the PV Inverter lf failure remains disconnect the PV Inverter and contact the system installer Input voltage higher than 450V The inverter could be damaged Corrective measures Input Voltage PV Over Disconnected PV modules immediately too High voltage Check the configuration of the strings for the PV modules in order to ensure the maximum input voltage is lower than 450V Leakage current on ground conductor is too high Corrective measures Check the AC Cables Connections Leakage current Fault des especially the grounding cables Ensure Leakage all the cables are connected properly Restart the PV Inverter if fault remains disconnect the PV Inverter and contact the system installer 26 gt gt e Inverter Fault Messages Operation Condition The readings of 2 microprocessors are not Consistent It could be caused by CPU and or other circuit not functioning properly Consistent Fault Corrective measures Restart the PV Inverter f fault remains disconnect the PV Inverter and contact the EAST Service line Consistent Fault The internal temperature is higher than normally allowed value Corrective measures High Disconnect PV Inverter for a period gt 30 Temperature too high minutes and then restart the PV Inverter Temperature f fault remains disconnect the PV Inverter and contact the system installer Select a new location for the installation when i
14. g connector otep 1 Make the communication cable through the waterproof ring and then connect the cables to the terminal 2 Fasten the waterproof ring and case 3 Finally match the finished terminal to the RS485 communication port on the inverter s case then it is ready for communication 16 gt gt 5 6 2 Monitor system connection The inverter provides RS485 interface to communicate with remote PC User can monitor the state of the inverter and observe current running information and history record via this interface Below is the method to install the monitoring system Inverter RS485 RS232 Converter 6 Switch on and off 6 1 Switch on 1 Finish the installation of the PV array AC grid and the inverter according to the introduction before 2 Before switch on checking whether AC voltage and DC voltage can meet the requirement of the inverter 3 Switch on the DC breaker at first 4 Then switch on the AC breaker 5 When the environment conditions allow the inverter to work the inverter will automatically start up and connect the grid to generate power 6 After the inverter works normally on grid it can be left working itself without human control It can shut down when fault occurs and it can start automatically after the fault is gone 6 2 Switch off 1 When solar power was not enough to generate the power the inverter will shut down automatically 2 f you need to shut down the inverter yours
15. h lac Leakage current check preset protection value 2 NULL 22 gt gt Temperature Inverter inner ambient temperature is too high Relay check phase 1 fails when the first group relays are closed while the second group relays are opened Relay check phase 2 fails when 1 Relay Check Fail the first group relays and the 2 fault value and fault second group relays are closed code 1 Relay Check Fail 2 fault value and fault code Relay check Relay check phase 3 fails when the first group relays are opened while the second group relays are closed Relay check phase 4 fails when 1 Relay Check Fail the first group and the second 2 fault value and fault group relays are opened code 1 Relay Check Fail 2 fault value and fault code 8 Troubleshooting 8 1 Display Message It is important to understand all operational and error messages that could appear on the LCD display The error messages that appear are especially important because service personnel will need this information reported in order to help them to define the failure and correct it a Working Status Messages 1 Initial condition Before system startup Power Off No Display voltage 80V 2 PV Inverter is totally shutdown Vpv 70V 1 Initial condition After PV voltage is higher than 120V inverter is waiting for feeding Initialization and Waiting Waiting to grid 2 After Startup Input voltage range is at 80 120V lt lt 23 Connecti
16. he LCD display consists of 16 characters and 2 lines Once the PV power is sufficient the inverter starts up automatically The inverter displays information as shown in the flow chart as follow Welcome Model EAxKLPV Version x xx 5 Waiting xxS Normal State Pac xxx x W To save power the LCD display s backlight automatically turns off after feeding the grid 5 minutes If there is a fault message appears the LCD display s backlight turns on all the time until the fault is solved Along with different working states of the inverter the LCD display different information as follows The first line of LCD System State LCD Display Content System Initial system initial default display Standby System checking Connecting Again System checking Inverter working On Grid Inverter watt at working Key stop Shutdown Key off Waiting key start Waiting Start Waiting key start PV Over Voltage Dc over voltage Fault Island or no grid AC Over Voltage Ac over voltage 19 AD Channel Fault Adc channel abnormal fault dic The second line of LCD System Cycle Display Display State Content Time s oystem Machine model grid standards EAxK TUV x xx Initial software version Standby Nul 2 Display nwi o Compay XXXX 2 Manufacturer Model EAXKLPV 2 Inverter model Ooo Vesinx x 2 software version 000 Connecting PV2xxV xxx 2 PV voltage and current
17. installation engineer to fix the ground fault before reconnect the string in question The grid voltage is not within the permissible range This fault can be caused by any of the following conditions Power distribution grid disconnected miniature circuit breaker fuse The local grid condition is out of acceptable range The inverter disconnects itself from the public grid for safety reasons Corrective measures Check the grid voltage and connection on the inverter If the detected grid voltage is within permissible range restart the PV Inverter and try again If fault remains contact the system installer to check the grid voltage and cable connections between PV Inverter and Utility system if detected grid voltage is out of permissible range contact the system installer to check the feed in AC voltage and contact the utility operator for further action The grid frequency is out of the permissible range AC Under Corrective measures Freq Check the grid connection and contact the distribution grid operator if necessary f the power frequency is within the tolerable range but disturbances are still displayed contact the EAST Service line Utility is not available This can occur if the AC fuse is broken No AC connections from utility system or broken AC cables Corrective measures No Utility Check the Utility system and the AC connections of the PV Inverter Check the AC
18. ltage between negative terminal of the PV string and Earth If the two voltages are constant and not zero there is an insulation failure somewhere in this PV string otep 5 Plug DC positive and negative connector into corresponding terminals If it makes a click sound it means DC connector has attached to terminals 5 5 Connecting the inverter to the grid 5 5 1 AC output wiring Step 1 Unscrew AC output cover at the downside of the machine L Ni PE AC OUTPUT AC OUTPUT 13 Step 2 Insert stripped AC cables of appropriate size into the cable glands Fix the phase cables into corresponding terminals with screwdriver according to marks Fix ground cable into the ground terminal Step 3 Screw the AC output cover 14 gt gt Step 4 Tighten the cable gland in clockwise direction 15 5 5 2 AC connection Procedure Step 1 Assembling AC cables to connector supplied See 5 5 1 AC Output Wring otep 2 Make sure that AC and DC circuit breaker are disconnected otep 3 Connect L N to AC circuit breaker Plug AC connector to corresponding AC terminals Screw AC cables to AC circuit breaker Step 4 Connect PE to the ground otep 5 Connect AC circuit breaker to utility grid Step 6 Make sure that all AC cables are firmly installed NOTICE Assignment of AC cables should be paid attention to especially PE GND wire 5 6 Connecting communication cable 5 6 1 Assembling the RS485 plu
19. ng When PV voltage 150V inverter is Check Grid 7 XXXS checking feeding conditions Feeding Grid Inverter is feeding power to the grid b ae Parameter e 3 Operation Condition _ Condition Messages Descriptions Instantaneous Output Pac The real time output power in xxxx xW Power XXXX xW Accumulated energy Energy Total energy has been fed to the grid ince information XXXxxxkWh inverter was installed Today s energy Etoday Total Energy that has been fed to the grid information xxx xkWh today AC xxx xV Grid Voltage in xxx x VAC feeding urrent Grid Voltage and Current XX XXA in XX XxA Freq Grid Frequency Grid frequency in xx xxHz xx xxHz PV Array Voltage and PV xxx xV Input voltage and current from PV array Current XX XXA c System information Messages Model Display EAxKLPV Inverter Model Waiting for reconnect to Reconnect M The waiting time for reconnect to the grid the grid in xxx S d System Fault Messages Operation Condition Messages Descriptions and corrective measure The resistance between the PV or PV Isolation Gu A Isolation Failure Fault and grounding is outside the permissible au range 500K 24 gt gt AC Over voltage AC Under voltage Grid Voltage Fault AC Over Grid Frequency Fault Freq lt lt 25 Corrective measures Check the insulation of the PV plant Check the PV plant for ground faults and have the PV generator
20. nt is 20A and the max breaking capacity can reach more breaker than 2kA The PE cable should be connected reliably to the earth Rated voltage of the utility grid is 230V 5 3 Cable Sizing All cables for PV power system are equipped with water proof direct plug in connectors You ll find these connectors in the package For electrical connection in the PV system described above the cross section of all cables used should not be smaller than the following requirements Wire Size we t Te There is only one channel of DC input which can connect one PV string The red is and the black is There is one channel of AC output the red is L phase the black is N phase and the yellow green is PE NOTICE The grid impedance of the AC cable must not exceed 1 Ohm Otherwise the inverter will disconnect at full feed capacity due to excessive voltage at the feed in point 11 5 4 Connection of the PV generator DC 5 4 1 DC input wiring Negative Positive terminal terminal 5 4 2 DC connection Procedure Step 1 Assemble DC cable to connector at the inverter side See 5 4 1 DC Input Wiring Step 2 Disconnect DC and AC circuit breakers 12 gt gt otep 3 Check connection cable of one PV array string for correct polarity and that the maximum input open circuit voltage does not exceed 450V otep 4 Measure DC voltage between positive terminal of the PV string and Earth and DC vo
21. rsons 1 3 Validity This manual applies to EA1KLPV EA1KSLPV EA2KLPV grid connected inverter and describes the mounting installation commissioning maintenance and troubleshooting procedures Keep this manual in a convenient place for future reference 2 Safety Instructions 2 1 Intended use EA1KLPV EA1K5LPV EA2KLPV is a PV inverter which converts the direct current of the PV array to grid compliant alternating current and feeds it into the power distribution grid PV grid connected system consists of PV modules grid connected inverters metering device and power distribution system Figure 1 ETN ltte 5 14 PLT t eng WEITTWTTWI W E j 4 a F PV modules Combiner box Inverter Metering Power grid Figure 1 PV grid connected system 2 gt gt The EA1KLPV EA1K5LPV EA2KLPV series inverter is suitable for indoor and outdoor use and may only be operated with PV arrays PV modules and cabling of protection class II Do not connect any sources of energy other than PV modules to the inverter Any other use can result in personal injury or property damage 2 2 Safety instructions DANGER Danger to life due to high voltages in the inverter High voltages that can result in electrical shocks are present in the conductive component parts of the inverter All work on the inverter may be carried out by qualified personnel only DANGER Danger of burn injuries due to hot
Download Pdf Manuals
Related Search