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Jntech JNP1K1L-V5 Quick Installation

Solar pumping inverter
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Quick Installation
Solar pumping inverter
JNP1K1L-V5 JNP1K5L-V5 JNP2K2L-V5
JNP3KL-V5 JNP3K7L-V5
JNP2K2H-V5 JNP3KH-V5 JNP3K7H-V5 JNP4KH-V5
JNP5K5H-V5 JNP7K5H-V5
JNP11KH-V4 JNP15KH-V4 JNP18K5H-V4
JNP22KH-V5 JNP30KH-V5 JNP37KH-V5
JNP45KH-V5 JNP55KH-V5
JNPxG-QI-EN-V1.0

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Summary of Contents for Jntech JNP1K1L-V5

  • Page 1 Quick Installation Solar pumping inverter JNP1K1L-V5 JNP1K5L-V5 JNP2K2L-V5 JNP3KL-V5 JNP3K7L-V5 JNP2K2H-V5 JNP3KH-V5 JNP3K7H-V5 JNP4KH-V5 JNP5K5H-V5 JNP7K5H-V5 JNP11KH-V4 JNP15KH-V4 JNP18K5H-V4 JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 JNP45KH-V5 JNP55KH-V5 JNPxG-QI-EN-V1.0...

  • Page 2: Table Of Contents

    CONTENT QUICK INSTALLATION GUIDELINE FOR SOLAR PUMPING INVERTER – JNP1K1L-V5 JNP1K5L-V5 JNP2K2L-V5 JNP3KL-V5 JNP3K7L-V5 JNP4KL .................4 JNP2K2H-V5 JNP3KH-V5 JNP3K7H-V5 JNP4KH-V5 JNP5K5H-V5 JNP7K5H-V5 ....................4 ..................4 NVERTER NPACKING ....................5 NSTALLATION 2.1 Prepare Installation Tools ..............5 2.2 Installation Direction and spacing dimension ........5 2.3 Installation of Inverter................6...

  • Page 3: Inverter

    COMMISSIONING GUIDELINE FOR SOLAR PUMPING INVERTER ........................32 ..................32 10 C OMMISSIONING 10.1 Verify before Commissioning............32 10.2 LCD Panel Operating Instructions...........33 10.3 Commissioning for JNP1K1L-V5~JNP18K5H-V4......34 10.4 Commissioning for JNP22KH-V5~JNP55KH-V5.......36 ..............42 11 A PPENDIX ROUBLESHOOTING 11.1 Troubleshooting for JNP1K1L-V5~JNP18K5H-V4......42 ·...
  • Page 4 11.2 Troubleshooting for JNP22KH-V5~JNP55KH-V5......44 · ·...

  • Page 5: Quick Installation Guideline For Solar Pumping

    Quick Installation Guideline for solar pumping inverter – JNP1K1L-V5 JNP1K5L-V5 JNP2K2L-V5 JNP3KL-V5 JNP3K7L-V5 JNP4KL JNP2K2H-V5 JNP3KH-V5 JNP3K7H-V5 JNP4KH-V5 JNP5K5H-V5 JNP7K5H-V5 1 Inverter Unpacking Check according to Packing List whether all the parts are correct and in good condition or not. Accessories are shown as below:...

  • Page 6: Installation

    2 Installation 2.1 Prepare Installation Tools The following tools will be needed in inverter installation and wire connection. Recommend Sketch map Name Function specification Crimp the PV cable core in Wire crimpers M2.5~M8 connector tube for PV connector. Used for drilling holes for Electric drill Ф8 installation bracket.

  • Page 7: Installation Of Inverter

    2.3 Installation of Inverter Step1: Drill holes in the selected installation position according to the size （ Hole distance 210mm） . Step2: Fix inverter in the located holes with bolts. Step3: Tighten the bolts, make the bolts cling to the wall. ·...

  • Page 8: Electrical Connection

    3 Electrical Connection 3.1 Connecting Terminals of Inverter The input and output terminals are shown as below: Terminals Description Terminals Description · ·...

  • Page 9: Cable Selection For Electrical Connection

    Output terminal, connect with AC pump (U、V、W) SENSOR Water level sensor signal input terminal(SY、 COM、 DG) ( optional) RS485 or GPRS communication interface (VCC、A、B、GND) (optional) Ground terminal Inverter model Recommended parameters of DC circuit breaker JNP1K1L-V5 440VDC,10A JNP1K5L-V5 440VDC,15A JNP2K2L-V5 440VDC,15A JNP3KL-V5 440VDC,30A...

  • Page 10: Ac Side(Ac In And Motor) Electrical Connection

    JNP2K2L-V5 14-12 14-12 JNP3KL-V5 14-12 14-12 JNP3K7L-V5 14-12 14-12 JNP4KL-V5 12-10 14-12 JNP2K2H-V5 12-10 14-12 JNP3KH-V5 12-10 14-12 JNP3K7H-V5 12-10 14-12 JNP4KH-V5 12-10 14-12 JNP5K5H-V5 12-10 14-12 JNP7K5H-V5 12-10 14-12 3.3 AC Side(AC IN and MOTOR) Electrical Connection Step1: Please connect the AC wire according to the following steps: Operation Instruction Operation Demonstration 1.

  • Page 11: Dc Side Connection

    Note！The phase sequence of AC pump motor and inverter should be corresponding, and if connection error occurs, there will be no water output or only with small water flow. Phase sequence’s connection is right or not shall be inspected when it’s trial running for the first time. 3.4 DC Side Connection Danger！DC side electric connection must be off, otherwise, it may cause casualty!

  • Page 12: Inverter Grounding

    3.5 Inverter grounding Make sure the reliable connection between ground terminal of Inverter and the earth! 3.6 Water Level Sensor Connection 3.6.1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined are shown below: ·...
  • Page 13 Terminal（SENSOR） Detail connector pin Dry protection pin, Connected black cable Overflow protection pin, Connected white cable Dry protection and Overflow protection common pin, Connected green cable · ·...
  • Page 14 3.6.2 Water level sensor connection Two kinds of water level sensor you can select are shown below: Sensor A Sensor B Notice！ If you select overflow protection water level sensor, you need to set the value of “OF-F”, the LCD menu ”Settings” "Para Set"...
  • Page 15 The installation figure of Sensor A If you selected water level sensor B, then water sensor installation method is shown below: The installation figure of Sensor B · ·...

  • Page 16: Communication Connection

    Notice！ If you choose Water Level Sensor B, please note the following aspects when intall: 1. For dry protection, the end with cable of sensor should be upwards; 2. For over-flow protection, the end with cable of sensor should be downwards. 3.7 Communication connection Communication connector pins in inverter panel port are defined are shown below:...

  • Page 17: Quick Installation Guideline For Solar Pumping

    Quick Installation Guideline for solar pumping inverter – JNP11KH-V4 JNP15KH-V4 JNP18K5H-V4 4 Inverter Unpacking Check according to Packing List whether all the parts are correct and in good condition. Accessories are shown as below: Description Description PV pump inverter Ring Terminals Installation bracket Packing list Blue Ring tool...

  • Page 18: Installation

    5 Installation 5.1 Prepare Installation Tools Please refers to “2.1 Prepare Installation Tools”. 5.2 Installation Direction and spacing dimension Please refers to “2.2 Installation Direction and spacing dimension”. 5.3 Installation of Inverter Step1: Drill holes in the selected installation position according to the size and shape of installation bracket.

  • Page 19: Electrical Connection

    6 Electrical Connection 6.1 Connecting Terminals of Inverter The input and output terminals are shown as below: Terminals Description Terminals Description PV1+/ PV2+/PV3+ PV array DC positive input terminals PV1-/ PV2-/PV3- PV array DC negative input terminals AC IN AC input terminals (R、S、T、PE) Output terminal, connect with AC pump (U、V、W) MOTOR SENSOR...

  • Page 20: Cable Selection For Electrical Connection

    6.2 Cable Selection for Electrical Connection User can select cables for electrical connection according to the following specifications. Cable range（AWG） Cable recommended（AWG） DC side AC side DC side AC side Inverter U、V、W U、V、W PV+,PV- PV+,PV- R、S、T R、S、T JNP11KH-V4 JNP15KH-V4 JNP18K5H-V4 6.3 AC Side Electrical Connection Step1: Connecting of the wire of the connector: Operation Instruction...

  • Page 21: Dc Side Connection

    6.4 DC Side Connection Danger！DC switch must be off, otherwise, it may cause casualty! Step1: Please connect the DC wire according to the following steps: Operation Instruction Operation Demonstration 1.Unscrew the fastening nuts of MC4 connector. 2. Strip off the DC cable insulation layer to a length of approx.

  • Page 22: Inverter Grounding

    6.5 Inverter grounding Make sure the reliable connection between ground terminal of Inverter and the earth! 6.6 Water Level Sensor Connection Water level sensor connector pins in inverter panel port are defined are shown below: Terminal（SENSOR） Detail connector pin pin1 Dry protection pin, Connected black cable pin2 Overflow protection pin, Connected white cable...
  • Page 23 Note：More information about the communication module, please refer to the User and Installation Manual. · ·...

  • Page 24: Quick Installation Guideline For Solar Pumping Inverter - Jnp22Kh-V5 Jnp30Kh-V5 Jnp37Kh-V5 Jnp45Kh-V5 Jnp55Kh-V5

    Quick Installation Guideline for solar pumping inverter – JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 JNP45KH-V5 JNP55KH-V5 7 Inverter Unpacking Check according to Packing List whether all the parts are correct and in good condition. Accessories are shown as below: Description Description PV pump inverter Quick Installation Guideline Installation bracket Packing list...

  • Page 25: Installation

    8 Installation 8.1 Prepare Installation Tools Please refers to “2.1 DC Side Connection”. 8.2 Installation Direction and spacing dimension Please refers to “2.2 Installation Direction and spacing dimension”. 8.3 Installation of Inverter Step1: Drill holes in the selected installation position according to the size and shape of installation bracket.

  • Page 26: Electrical Connection

    9 Electrical Connection 9.1 Connecting Terminals of Inverter The input and output terminals are shown as below: Terminals Description Terminals Description PV array DC positive input terminals PV array DC negative input terminals DC24V 24V DC power supply output terminal RS485 or GPRS communication interface (optional) PRESSURE Pressure sensor connection terminals...

  • Page 27: Cable Selection For Electrical Connection

    9.2 Cable Selection for Electrical Connection User can select cables for electrical connection according to the following specifications. Cable range（AWG） Cable recommended（AWG） DC side AC side DC side AC side Inverter U、V、W U、V、W PV+、PV- PV+、PV- R、S、T R、S、T JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 JNP45KH-V5 JNP55KH-V5 9.3 DC Side Connection...

  • Page 28: Ac Side Electrical Connection

    9.4 AC Side Electrical Connection Step1: Please connect the AC wire according to the following steps: Operation Instruction Operation Demonstration 2. Step Using wire crimpers, connecting PV cable and Cold-pressed Terminal(SC35-8). Step2: Fixed the AC cable( R、S、T、PE、U、V、W Secure to the terminal through the terminal cover ·...

  • Page 29: Inverter Grounding

    9.5 Inverter grounding Make sure the reliable connection between ground terminal of Inverter and the earth! 9.6 Water Level Sensor Connection 9.6.1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined are shown below: Terminal（SENSOR）...
  • Page 30 9.6.2 Water level sensor connection Two kinds of water level sensor you can select are shown below: Sensor A Sensor B Notice！If you select overflow protection water level sensor, you need to set the value of “OF-F”, the LCD menu ”Settings” "Para Set"...
  • Page 31 The installation figure of Sensor A If you selected water level sensor B, then water sensor installation method is shown below: The installation figure of Sensor B · ·...

  • Page 32: Communication Connection

    Notice！ If you choose Water Level Sensor B, please note the following aspects when install: 1. For dry protection, the end with cable of sensor should be upwards; 2. For over-flow protection, the end with cable of sensor should be downwards.

  • Page 33: Commissioning Guideline For Solar Pumping Inverter

    Commissioning Guideline for solar pumping inverter 10 Commissioning 10.1 Verify before Commissioning PV Arrays The PV array should be checked before operating the inverter, and to ensure that the positive and negative mustn’t be misconnect, Make sure that the open-circuit voltage of photovoltaic array doesn’t exceed the required voltage. DC Input Make sure that the DC terminals of the inverter are connected correctly and maintained consistent with the PV array.

  • Page 34: Lcd Panel Operating Instructions

    10.2 LCD Panel Operating Instructions Inverter LCD Display Name Color Instructions Indicator POWER Power light Green Light on When power on Running Green Light on under normal operation light Light on when error occur, off when error be FAULT Faulty light cleared Buttons Functions...

  • Page 35: Commissioning For Jnp1K1L-V5~Jnp18K5H-V4

    10.3 Commissioning for JNP1K1L-V5~JNP18K5H-V4 10.3.1 Only DC Input, Disconnect grid input Switch on inverter’s DC switch or DC side electric connection, inverter start initialization. Note！ At the first running, ender user need to long-press "ON / OFF" key for 4 ...
  • Page 36 Parameter Settings Figure 10.3.2 Rated current confirmation of pump motor In the first commissioning of solar pumping systems, you need to set the overload protection value of Inverter based on the rated current of pump motor, please refers to the above “Parameter Setting”. Setting principle: The value of “Imotor”...

  • Page 37: Commissioning For Jnp22Kh-V5~Jnp55Kh-V5

    Step 1: Ensure the system is running and there has water output, enter to ”StopFreq”. Step 2: To reduce the value of “StopFreq”. Reduce by 5Hz each time and press "ENTER" to check the system performance. Keep reducing the value till the water just can not come out.
  • Page 38 The inverter should set the motor parameters before operation, the parameters including rated voltage, rated current, rated power ,rated frequency, rated rotor speed and power factor. The motor nameplate parameters information should be related to the inverter parameters. Below take Siemens motor and inverter parameters as example. Table: motor nameplate as example Table: motor nameplate’s parameters contrast to inverter Motor parameters...
  • Page 39 Note: Motor parameters should be reset when change pump, output voltage and output frequency must keep same. · ·...
  • Page 40 10.4.3 The test of motor parameters and commissioning After modify the motor parameters, long-press the “ON/OFF” button to enter into testing status of motor parameters, when test succeed, then press “ENTER” to run, the details as below showed. The test of motor parameters and commissioning sketch figure 1.If the test failed, please check whether the inverter output and the motor wiring connection is in good condition or not, and AC breaker (if has) should be on!
  • Page 41 processes are shown below: · ·...
  • Page 42 Note: If Solar Pumping System cannot pump water out and inverter display “state 09”, it may caused by air leak of pipe system, or long-time air discharge because of long pipe system. Please take measures according to the following steps: First step: Check whether the pipe system is in good condition or not? If it’s good, please enter into LCD Menu “setting”→”Para Set”...

  • Page 43: Appendix: Troubleshooting

    Thank you for using green energy, in order to improve our living environment contribution. 11 Appendix: Troubleshooting 11.1 Troubleshooting for JNP1K1L-V5~JNP18K5H-V4 Stop condition and troubleshooting Status Code Phenomena Reason Troubleshooting Please check PV input voltage and make sure...
  • Page 44 the fault damage phase output wires disappears Please make sure the Inverter shutdown The capacity of load system is proper and will restart Fault105 is higher than rated designed. The power of automatically after Over-load output power of pump motor should not the fault inverter.
  • Page 45 source cannot complement 1. Check the pump Inverter shutdown 1、Pump motor wiring and the pump for Fault202 and will restart locked-rotor, or normal operation; AC input automatically after damaged. 2. Check if the over-current the fault 2、hardware failure inverter output is disappears normal.
  • Page 46 Please check PV input voltage and make sure Inverter shutdown the voltage is within State 101 and will Output energy from inverter input voltage PV Array automatically PV array is not range. under-voltage restart after it enough Note: In cloudy days, disappear morning and late in afternoon, this situation...
  • Page 47 3. Pipe system design is not reasonable Fault111 Temp. sensor inside Please contact Temp. sensor Inverter shut down inverter loosen or supplier. fault damage Inverter shutdown, 1. Please check if there non-recover is short circuit in output Fault112 malfunction. No Output wire short wires.
  • Page 48 low-voltage automatically after array voltage is too switch to ensure that the fault low or a hardware the inverter input has disappears. failure. no voltage. Check the grid voltage and PV voltage with a multimeter. One or two phase Disconnect the output cables of the grid and PV input Inverter shutdown...

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