1. DL manuals
  2. JALpower
  3. Inverter
  4. JSI-10KTL
  5. Owner's Manual

JALpower JSI-10KTL Owner's Manual

Manual is about: grid-connected inverter

Summary of JSI-10KTL

  • Page 1

    About this manual contents of this manual this manual is applied to grid-connected inverters of jsi-10ktl, jsi-12ktl and jsi-15ktl. This manual provides detailed product introduction, installation guide, operation guide and maintenance guide. This document also provides very important safety instruc...

  • Page 2

    Jsi-10ktl-12ktl-15ktl user manual this symbol indicates a dangerous situation which, if not avoided, will cause death or severe injury. This symbol indicates a dangerous situation which, if not avoided, could result in death or severe injury. This symbol indicates a dangerous situation which, if not...

  • Page 3: Contents

    Contents about this manual ................................................................................................... 1 contents of this manual.......................................................................................................................... 1 target reader.............

  • Page 4

    Jsi10ktl/12ktl/15ktl user manual 4.8 connecting rs485 cable ............................................................................................................... 32 4.8.1 installing monitoring system .............................................................................................

  • Page 5

    8.2.3 clean air inlet and outlet ....................................................................................................... 67 9 technical specification ....................................................................................... 69 10 appendix ..................................

  • Page 6

    1 safety instructions about this chapter this chapter describes very important safety instructions. Instructions ” carefully before any work with the inverter. Please read “ safety 1.

  • Page 7

    Jsi10ktl-12ktl-15ktl user manual the inverter is designed and tested according to international safety requirements. But as all electrical and electronic equipments, certain precautions should be observed during installing, operating and maintaining. Incorrect operation or work performed incorrectly...

  • Page 8

    Safety instructions only after receiving prior approval from the utility company and qualified personnel installing the inverter, you can connect the inverter to the utility grid. All cables must be firmly attached, undamaged, properly insulated and adequately dimensioned. When choosing the installa...

  • Page 9

    Jsi10ktl-12ktl-15ktl user manual electrostatic discharge can damage the inverter. During replacing or installing the inner components, the technical personnel should take appropriate protective measures such as electrostatic bracelet. All safety instructions and warning labels on the inverter body ；...

  • Page 10

    2 product overview about this chapter this chapter introduces intended use, main circuits, features and its constituent parts. 5.

  • Page 11

    Jsi10ktl-12ktl-15ktl user manual 2.1 intended use thank you for purchasing an inverter from jalpower company. Jsi10ktl, jsi12ktl and jsi15ktl serial inverters are grid-connected, transformerless, robust and high conversion efficiency. The inverter converts dc power generated from the pv arrays into ...

  • Page 12

    Installation if output of inverter is connected to local loads (household appliance, lights, motor loads, etc.), the inverter will stop working. 2.2 main circuit f o l l o w i n g shows the main circuit of jsi15ktl----a transformerless grid-connected inverter. Jsi10ktl and jsi12ktl have the similar ...

  • Page 13

    Jsi10ktl-12ktl-15ktl user manual double mpp trackers for different installation inclinations. Weather-proof design(ip65) for harshest working enviornment high reliability with full protective functions compact design with high quality aluminium housing. Water-proof direct plug-in termimals tuv certi...

  • Page 14

    3 installation about this chapter this chapter proposes how to choose installation site and gives step-by-step procedures to install the inverter onto the wall. And related safety instructions are also included. 9.

  • Page 15

    Jsi-10ktl-12ktl-15ktl user 3.1 unpacking and inspection the unit is thoroughly tested and inspected strictly before delivery. Although sturdy package is adopted, damage may still happen during the shipping. The first thing you should do is to check the packing box when receiving the inverter unit. M...

  • Page 16

    Installation fig 3-1 nameplate of inverter 3.4 moving inverter risk of injury due to ignoring the weight of the inverter. The inverter is about 50kg. Proper device is needed or with the help of other people to avoid damage to the inverter when installing or moving. Fig 3-2 moving the inverter 3.5 th...

  • Page 17

    Jsi10ktl-12ktl-15ktl user manual when choosing the installation site, ensure that there is no electromagnetic interference with other electrical and electronic equipments. Requirements: 12 the humidity of chosen installation site never exceeds 95%.Moisture may result in corrosion to the lid and dama...

  • Page 18

    Installation 13 10c m 50c m do not install the inverter in living area. Noise can be produced during running of the inverter, which will affect your daily life. Do not install the inverter in this site where the children can reach. The housing of the inverter will be very hot. It is risk of burning....

  • Page 19

    Jsi10ktl-12ktl-15ktl user manual 3.6 dimensions of inverter fig 3-3 outline dimensions of inverter table 3-1 dimension value 14 type w(cm) h(cm) d(cm) net weight(kg) jsi-10ktl 64.8 69.5 23.2 45 jsi-12ktl 64.8 69.5 23.2 51 jsi-15ktl 64.8 69.5 23.2 55 item description w width h height d depth.

  • Page 20

    Installation 3.7 installation procedure there is a backplate and fasteners supplied to install the inverter. If you don ‟ t want to use the supplied backplate, you can drill holes refer to its dimension below. 305 10 33 394.9 51.5 37 325 fig 3-4 dimensions of backplate in the following pages we will...

  • Page 21

    Jsi10ktl-12ktl-15ktl user manual installation procedure: d b fig 3-5 dimensions of holes in order to avoid electrical shock or other injury, inspect existing electronic or plumbing installations before drilling holes. 16 specification of expansion bolt hole size(mm) depth(a) diameter(b) m10*85 65 14...

  • Page 22

    Installation a b c d e f fig 3-6 demo diagram of backplate fastening process risk of damage to expansion bolt due to over-tightening the nut. 17 item description a wall b backplate c expansion bolts d washer e spring washer f hexagonal nut step 6: fasten the backplate against the wall via washer, sp...

  • Page 23

    Jsi10ktl-12ktl-15ktl user manual fig 3-7 installing the inverter 18 step 7: now you can hang the inverter onto the backplate as fig 3-7 shows. Make sure the two recesses on the back of the inverter fit perfectly together with the backplate..

  • Page 24

    4 electrical connection about this chapter this chapter proposes step-by-step procedures to perform electrical connection and related safety instructions. 19.

  • Page 25

    Jsi10ktl-12ktl-15ktl user manual 4.1 general safety improper operation during the wiring process can cause fatal injury to operator or unrecoverable damage to the inverter. Only qualified personnel can perform the wiring work. All electrical installations must be in accordance with local and nationa...

  • Page 26

    Electrical connection 4.2 overview of electrical installation electrical connection of the communication connection. Inverter includes dc connection, ac connection and f g a b c d fig 4-1 electrical connection diagram 21 item description remark a connection area of inverter it is located at the bott...

  • Page 27

    Jsi10ktl-12ktl-15ktl user manual the dashed line in the above diagram indicates that there is another way of communication connection. See “ 4.8 connecting rs485 cable ” . 4.3 terminals description all electrical terminals are all located at the bottom of unit. Fig 4-2 shows the connection area. Eno...

  • Page 28

    Electrical connection 4.4 specification of cables dc cables and rs485 cables of pv power system are equipped with water-proof direct plug-in connector. You „ ll find these connectors in the package. For electrical connection in pv power system, specification of all cables used should meet following ...

  • Page 29

    Jsi10ktl-12ktl-15ktl user manual 4.5 connecting inverter to pv arrays 4.5.1 safety as input of the inverter in the pv power system, pv arrays ‟ features should be paid attention to. Please refer to pv module ‟ s data sheet. When designing pv arrays, following requirements should be met. Lethal volta...

  • Page 30

    Electrical connection 4.5.2 assembling dc cable to connector all dc cables are equiped with water-proof direct plug-in connectors, which mate with dc conectors at input zones. Dc positive assembling procedure: step 1: unscrew the water-proof terminal in the following direction. Step 2: insert approp...

  • Page 31

    Jsi10ktl-12ktl-15ktl user manual step 2: insert appropriately sized dc cable through water-proof terminal. Step 3: strip off insulation layer of dc cable. The length of strip insulation approximate 8mm. Is 8mm step 4: crimp cable core with hand crimping plier. Step 5: plug cable gland into connector...

  • Page 32

    Electrical connection 4.5.3 wiring procedure there are dc1 input zone and dc2 input zone, each with its own mpp tracker, as fig 4-2 shows. Wiring procedure: step 1: assemble dc cable to connector at the inverter side. See “ 4.5.2 assembling dc cable to connector ” . Step 2: manually rotate dc switch...

  • Page 33

    Jsi10ktl-12ktl-15ktl user manual 4.6 connecting inverter to ac grid only after receiving prior approval from the utility company you can connect the inverter to local utility grid. The grid should meet these following requirements. Otherwise the inverter will not work. Grid voltage grid frequency 3*...

  • Page 34

    Electrical connection step 6 step 5 step 4 step 7: press down the two red latches of inner ac connector. Step 8: pull inner ac connector outside. Step 7 step 8 step 9: connect all cables to the terminal outside the inverter. Step 9 29.

  • Page 35

    Jsi10ktl-12ktl-15ktl user manual step 10: plug the section above into the fixed terminal inside the inverter. Step 11: fasten the board. Step 12: screw the waterproof terminals in the direction shown in the following picture. Step 10 step 11 step 12 step 13: connect ac circuit breaker to grid. 30

  • Page 36

    Electrical connection 4.7 grounding the inverter because of the transformless design of the inverter, dc positive pole and dc negative pole are not permitted to be grounded. Otherwise the inverter can stop running. All non-current carrying exposed metal parts of equipment and other enclosure in the ...

  • Page 37

    Jsi10ktl-12ktl-15ktl user manual 4.8 connecting rs485 cable 4.8.1 installing monitoring system the inverter provides rs485 interface to communicate with remote pc or logger. User can monitor the state of the inverter, observe current running information and history record via this interface. There a...

  • Page 38

    Electrical connection 4.8.2 assembling rs485 cable to connector all rs485 cables are equiped with water-proof direct plug-in connectors, which can mate with rs485 conectors at the bottom of inverter. Assembling procedure: step 1: dismantle rs485 connector in the same way of dc connector. Step 2: con...

  • Page 39

    Jsi10ktl-12ktl-15ktl user manual 4.8.3 connecting rs485 cable rs485 is communication standard for bidirectional transmission of data between one or more inverters and a pc or a data logger. If there is more than one inverter to communicate with a pc or a data logger, it is crucial to configure commu...

  • Page 40

    Electrical connection data logger+ pc inverter 1 inverter 2 inverter n(n pc suninfo tm logger a b a a b b Ω rs485 bus rs323 bus wiring procedure: step 1: a resistance with 120 Ω is connected at the initating terminal of rs485 bus. Step 2: plug the connector of rs485 cable into corresponding rs485 te...

  • Page 41

    Jsi10ktl-12ktl-15ktl user manual step 3: the two lines of the other end of rs485 cable, labled a and b, connected to corresponding lines of rs485 bus, as the above diagram. Step 4: connect other inverters to rs485 bus in the same way. Step 5: at the end of rs485 bus, connect rs485 a cable to “ rx+ ”...

  • Page 42

    5 lcd panel and dc switch about this chapter this chapter proposes parts that user can operate —— lcd panel and dc switch. 37.

  • Page 43

    Jsi10ktl-12ktl-15ktl user manual 5.1 lcd panel lcd panel comprise led indicators, buttons and lcd screen. Leds indicate the current state of the inverter. The current running information and history information can be seen in the lcd screen with operating the buttons. 497600 kwh 40 6 8 14 20 fig 5-1...

  • Page 44

    Lcd panel and dc switch table 5-2 description of button function increase setting value. Increase setting value. When the two buttons “ ” and “ ” are pressed more than three seconds, inverter will stop running and enter into the “ key-stop ” state. The background illumination of lcd screen will go o...

  • Page 45

    Jsi10ktl-12ktl-15ktl user manual in its default interface, user can observe operation mode or fault type of inverter. E-total 497600 kwh 40 fig 5-2 default interface if there is no button operation in three minutes, it will go back to default menu. 5.5 operation mode this chapter illustrates the ope...

  • Page 46

    Lcd panel and dc switch fault is cleared a fault occurs fault t=recover time 30~300s t=40s t=standby time 10~255s stop run standby start key- stop perform command “ stop ” perform command “ stop ” inverter is energized after running normally fig 5-3 mode transition explanation diagram if “ ” and “ ”...

  • Page 47

    Jsi10ktl-12ktl-15ktl user manual if you want to restart the inverter, rotate dc switch to “ on ” position again. 42.

  • Page 48

    6 commissioning about this chapter this chapter demonstrates how to check before commissioning and operation procedures. 43.

  • Page 49

    Jsi10ktl-12ktl-15ktl user manual verify before commissioning commissioning procedure: step 1: make sure all items above meet demands. Step 2: switch off external ac circuit breaker. Step 3: rotate dc switch to “ on ” position. After external circuit breaker is closed in the pv power system: pv array...

  • Page 50

    7 menu operation about this chapter this chapter shows all menu operations. User can know how to check the state of the inverter, current running information and history parameters of the inverter is also included. Information. And how to set the 45.

  • Page 51

    P(%) power curve 10 09/11/18 08 60 40 20 0 e-total 497600kwh co 2 -reduce 29760kg e-month 3750kwh h-tot 20.3a r s t 220.0v 220.0v 221.0v 68.0a 68.0a 68.0a 42w 42w 42w p24/50 2009/11/18 18:35 e-total 497600kw temp 49.5 ℃ state run temp 49.5 ℃ p-in 9928w p-out 9960w long press i-pv1 20.3a i-pv2 20.3a ...

  • Page 52

    Menu operation 7.2 default menu when inverter is energized, lcd screen will display the default menu. 1. In the default menu, lcd screen displays basic information. E-total 497600 kwh 40 there are also current date and time. See “ 7.9.2 set time ” to adjust the current time 7.3 adjust contrast maxim...

  • Page 53

    Jsi-10ktl-12ktl-15ktl user manual 7.4 start inverter if conditions of dc side and ac side meet demands, or if malfunction is solved, the inverter will start to run automatically. If you perform command “ stop ” and want to restart again, it is needed to perform command “ start ” . 48 40 e-total 4976...

  • Page 54

    Menu operation 7.5 stop inverter “ stop ” command will switch off ac relay. It is needed to perform “ start ” command to restart the inverter. 49 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button ” ” to move arrow to “ start...

  • Page 55

    Jsi10ktl-12ktl-15ktl user manual 7.6 monitor running information 50 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button ” ” to move arrow to “ run-inform ” . 3. And then long press button “ ” to enter into the submenu. 100 0 8...

  • Page 56

    Menu operation 7.7 monitor running record 51 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button” ” to move arrow to “ his-inform ” . 3. And then long press button “ ” to enter into its submenu. 4. Short press button “ ” to mo...

  • Page 57

    Jsi10ktl-12ktl-15ktl user manual 7.8 monitor fault record enter into the submenu. Table 7-1 fault description 52 fault type explanations vdc-high dc voltage is too high vac-high grid voltage is too high vac-low grid voltage is too low iac-high ac power over load f-fault grid frequency is abnormal no...

  • Page 58

    Menu operation the inverter can only store at most 20 latest fault records. 53 fault type explanations temp-flt temperature inside the enclosure is too high com-err communication occurs fault between lcd and dsp earth-flt there is leakage current in the ac side bus-high the inner dc bus(boost output...

  • Page 59

    Jsi10ktl-12ktl-15ktl user manual 7.9 parameters setting if you want to set inverter ‟ s parameters, you have to input correct password. The default password is 1111. 7.9.1 set language set-param 54 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu...

  • Page 60

    Menu operation 9. Short press button “ ” or “ ” to set the number of language. 10. And then long press button “ ” to confirm the choice. 7.9.2 set time set-param 55 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button ” ” to mo...

  • Page 61

    Jsi10ktl-12ktl-15ktl user manual 9. Short press button “ ” or “ ” to set date and time according to you local time. 10. And then long press button “ ” to confirm. 7.9.3 setting total generated power adjustment set-param 56 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control...

  • Page 62

    Menu operation 9. Short press button “ to set value. ” or “ ” 10. And then long press button “ ” to confirm. The positive symbol “+” can also be changed to negative symbol “ - ”. It is needed to perform the “ energy-adj ” command in case that the total power displayed in lcd (e-total) has difference...

  • Page 63

    Jsi10ktl-12ktl-15ktl user manual 7.9.5 set running parameter 58 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button ” ” to move arrow to “ set-param ” . 3. And then long press button “ ” to enter into its submenu. Run-inform h...

  • Page 64

    Menu operation “ standby time ” is the time from inverter starting to initialize to inverter feeding power to grid. This parameter ranges from 10s to 255s. And the default value is 10s. “ recover time ” is the time from the point that the fault is cleared to inverter recovering to feed power to grid...

  • Page 65

    Jsi10ktl-12ktl-15ktl user manual “ vgrid-max ” and “ vgrid-min ” are upper limit value and lower limit value of grid voltage respectively. “ fgrid-max ” and “ fgrid-min ” are upper limit value and lower limit value of grid frequency respectively. Once grid voltage or frequency exceed this rang, the ...

  • Page 66

    Menu operation 7.9.7 set communication parameter set-param the range of communication address is 1~247. And the baud rate of serial communication should be set 9600. 61 40 e-total 497600 kwh 1. Long press button “ ” to enter into the main control-menu in the default menu. 2. Short press button ” ” t...

  • Page 67

    Jsi10ktl-12ktl-15ktl user manual 62.

  • Page 68

    8 troubleshooting and maintenance about this chapter this chapter illustrates troubleshooting and daily maintenance. 63.

  • Page 69

    Jsi10ktl-12ktl-15ktl user manual 8.1 troubleshooting 8.1.1 troubleshooting of led indicator see “ table 5-1led indicator description ” to see description of led ‟ s state. 8.1.2 troubleshooting of faults in lcd screen 64 type of fault troubleshooting vdc-high 1. Disconnect ac circuit breaker. 2. Rot...

  • Page 70

    Troubleshooting and maintenance the protecting parameters. See “ 7.9.6 set protecting 65 type of fault troubleshooting vac-high 4. If local grid condition exceeds ac demands of inverter, reset parameter ” . And if local grid voltage exceeds the upper limit value of “ vgrid-max ” , or if local grid v...

  • Page 71

    Jsi10ktl-12ktl-15ktl user manual 8.2 maintenance disconnect the connection between inverter and grid and then the connection between inverter and pv arrays before any maintenance work. Lethal voltage still exists in the inverter. Please wait at least five minutes and then perform maintenance work. 8...

  • Page 72

    Troubleshooting and maintenance step 7: re-connect the inverter. Step 8: restart up the inverter. 8.2.2 replace fan if there is “ tem-flt ” and abnormal noise, please replace the fan. Procedure: step 1: disconnect the connection of input and output side. Step 2: wait at least five minutes. Step 3: d...

  • Page 73

    Jsi10ktl-12ktl-15ktl user manual 68.

  • Page 74

    9 technical specification about this chapter this chapter illustrates technical data, including input data, output data, system, display and communication and mechanical data. 69.

  • Page 75

    Jsi10ktl-12ktl-15ktl user manual 70 jsi10ktl jsi12ktl jsi15ktl input data max. Dc voltage 1000v 1000v 1000v mpp voltage range 250~800v 250~800v 250~800v max. Dc power 10.4kw 12.5kw 15.6kw max. Input current 40a （ 20a*2 ） 40a （ 20a*2 ） 40a （ 20a*2 ） recommend pv array open circuits voltage 700v 700v ...

  • Page 76

    Technical specification 71 protection degree ip65 ip65 ip65 operating temperature -25 ℃ ~60 ℃ -25 ℃ ~60 ℃ -25 ℃ ~60 ℃ relative humidity 0~95%, non-condensing 0~95%, non-condensing 0~95%, non-condensing cooling method controlled forced-air cooling controlled forced-air cooling controlled forced-air c...

  • Page 77

    Jsi10ktl-12ktl-15ktl user manual 72.

  • Page 78

    10 appendix about this chapter this chapter proposes contents related to exclusion of liability and contact. 73 jsi10ktl-12ktl-15ktl user manual.

  • Page 79

    Jsi10ktl-12ktl-15ktl user manual 10.1 exclusion of liability the contents of this manual will be periodically checked and revised if necessary. However discrepancies cannot be excluded. Please download the latest version of this manual via website www.Jalpower.Com. However discrepancies cannot be ex...

  • Page 80

    Appendix 10.2 contact us if you have any questions about this product, our hotline will be happy to assist you. Please keep the following data when contacting jalpower. 75 jsi10ktl-12ktl-15ktl user manual.