Jntech JNP2K2L-V6 User Manual
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Jntech JNP2K2L-V6 User Manual

Solar pump inverter
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Solar Pump Inverter
User Manual
JNP2K2L-V6
JNP3KL-V6
JNP3K7L-V6
JNP4KL-V6
用户手册
I
JNP4KL-V6-EN-V1.0

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Summary of Contents for Jntech JNP2K2L-V6

  • Page 1 Solar Pump Inverter User Manual JNP2K2L-V6 JNP3KL-V6 JNP3K7L-V6 JNP4KL-V6 用户手册 JNP4KL-V6-EN-V1.0...
  • Page 2 The copyright belong to Supplier This document involves the proprietary and confidential information about Solar Pump Inverter of Supplier It strictly prohibited to disclose the document by duplicating, photocopying, publishing online and in other forms without Supplier’s permission. Supplier reserves the right to change details in this publication without notice.

  • Page 3: Preface

    ● JNP4KL-V6 ● For the convenience of the following description , “JNP2K2L-V6, JNP3KL-V6, JNP3K7L-V6, JNP4KL-V6” is short for JNPxL-V6, “Solar Pump Inverter” is short for inverter in the following content. The inverter model shall be pointed specially, when introduce the information about each model in details.
  • Page 4 are shown in below. Safety Symbol Meaning Means that it may lead to serious accident of injuries, if Danger! safety warning is ignored. Means that it may lead to serious accident of injuries, Warning! equipment serious damage or main business interruption, if safety warning is ignored.
  • Page 5 Inverter related symbols: Symb Meaning Direct current (DC). Alternating current (AC). Protective grounding . Refer to relevant instructions. Can not discard inverter together with domestic garbage . Beware of dangerous high-voltage. Should wait for 5 minutes after inverter and PV panel are disconnected, then inverter only can be touched.

  • Page 6: Table Of Contents

    CONTENT PREFACE ....................III ................... III ANUAL NSTRUCTION .................... III ARGET EADER ..................III SE THE ANUAL ....................III YMBOL 1 SAFETY INSTRUCTIONS ................9 2 PRODUCTION INTRODUCTION ..............14 2.1 S ............14 OLAR NVERTER NTRODUCTION 2.2 P ’ ...............
  • Page 7 5.2 I ................26 NSTALLATION IRECTION 5.3 I ............... 27 NSTALLATION OF NVERTER 6 ELECTRICAL CONNECTION..............31 6.1 C ............32 ONNECTING ERMINALS OF NVERTER 6.2 S ......... 33 CHEMATIC IAGRAM OF LECTRICAL ONNECTION 6.3 C ................... 34 ABLE ELECTION 6.4 E ..........
  • Page 8 8.1.1 LED Indicator Direction ..............59 8.1.2 Description of Buttons ..............60 8.1.3 LCD Display Interface Overview ............. 61 8.2 I ..............62 NITIAL PERATIONAL NTERFACE 8.3 S ............64 YSTEM PARAMETER QUERY AND SETTING 8.3.1 Query information item description ..........64 8.3.1.2 Basic Information ..............

  • Page 9: Safety Instructions

    1 Safety Instructions For the electrical and electronics equipment, safety relates to the whole process of installation, commissioning, operation and maintenance. Therefore, incorrect use or operation would damage the life and personal security of operating person or the third party, and inverters. In order to reduce casualties, damage of inverter and other equipment, user or operating person should strictly abide by all the safety information tips of danger, warning and notice which are in the process of operating and maintaining.
  • Page 10 Danger！ The solar cell arrays should be covered with opaque materials when installing the PV arrays during the day, otherwise the solar cell arrays will generate high voltage, causing person casualties. Electrical connections Danger！ Ensure that the solar cell array should be covered by light tight materials, before electrical connecting, otherwise, the solar cell array would produce high voltage under the sun to cause casualties.
  • Page 11 Warning！ If inverter damage caused by the following circumstances will be beyond the warranty scope. Ensure DC max. short-circuit current being in inverter allowable range when ● configure PV arrays, otherwise, may cause non-recoverable damage. Ensure that the open circuit voltage (Voc for short) of JNPxH-V5 shall not exceed ●...
  • Page 12 Notice！ All electrical installation must comply with local and national electrical installation ● standards In order to ensure safe running, proper grounding, using appropriate conductor size ● and providing short circuit protection are required. Connection cable must select suitable specification, firm connection and good ●...
  • Page 13 Maintenance Danger！ Maintenance should be done by professional maintenance technical person. ● Before maintenance, make sure to disconnect the electrical connection on the input ● side of inverter, wait at least 5 minutes, Measure DC side and AC side voltage of inverter with voltage meter, Make sure to operate without voltage on both DC and AC sides...

  • Page 14: Production Introduction

    2 Production Introduction 2.1 Solar Pump Inverter Introduction Solar pump system is different from traditional AC pumping system, which takes use of solar cells to convert solar energy into electricity. It consists of 4 parts: PV modules, Solar Pump Inverter, AC pump and water storage device.
  • Page 15 Figure2-1 Solar pumping application system Table2-1 Solar pumping application system list Name Description PV array Monocrystalline silicon, Polycrystalline silicon. Grid/Diesel three-phase alternating-current supply generator JNP2K2H-V6、 JNP3KH-V6、 JNP3K7H-V6、 Solar pump inverter JNP4KH-V6、 JNP5K5H-V6、 JNP7K5H-V6 AC pump Single phase or three phase AC pump. Water storage Can be the reservoir, fields etc.

  • Page 16: Product's Introduction

    rectifier voltage , which means Vmp≈1.414*U . For JNPxH serie inverter, AC line input must be three phase, U is voltage between any two lines. For example, line JNPxH serie inverter, the Vmp of single solar panel is 30V, 18pcs solar panels are in serie.

  • Page 17: Production Dimensions

    also can set some function and parameters of inverter. amphenol Contains 2 sets of DC input (PV+, PV-) terminals, AC connector input terminals (AC IN), output (MOTOR) terminals, SENSOR terminals communication (COM) terminals. Machine serial The serial number of the inverter, should be provided during after-sales service Nameplate The basic parameters of the inverter are listed on the...

  • Page 18: Product Name

    Table2-3 Inverter dimension table Model Width(mm) Height(mm) Depth(mm) Net weight（ kg） 11.8 JNP2K2L-V6 11.8 JNP3KL-V6 11.8 JNP3K7L-V6 11.8 JNP4KL-V6 2.2.3 Product Name The Naming of product, take JNP3K7L-V6 for example: H： 380V Company name L： 220V Product series name Power level...

  • Page 19: Inverter Unpacking

    3 Inverter Unpacking 3.1 Unpacking Check The product has been tested and checked carefully before transportation, but damage may be caused during transportation, therefore, the product should also be checked carefully before installation. Please check whether inverter outer packing is in g ood condition; ●...
  • Page 20 Figure3-1 Inverter and standard fittings Note！ Photos are for reference only, please adhere to the original product! Table3-1 Inverter and fittings table Description Status Pump inverter Standard Photovoltaic input connector (MC4 Standard...

  • Page 21: Identify Inverter

    terminal) Power grid input connector Standard (3-core connector) Inverter output connector (4-core Standard connector) Expansion bolt(M6*60) Standard certificate of soundness Standard specification Standard container loading list Standard Ring tool Standard Water level sensor (Type A) Optional Water level sensor (Type B) Optional hanging panel Standard...
  • Page 22 Figure3-2 Inverter nameplate Table3-2 Nameplate information table Description Name and model of inverter. Inverter parameter information SERVICE TAG...

  • Page 23: Installation Procedure

    4 Installation Procedure 4.1 Prepare Installation Tools The following tools will be needed during inverter installation and wire connection. You also can choose the right tools according to your own experience. Table4-1 Installation tools list Recommend Sketch map Name Function specification Wire crimpers M2.5~M8...
  • Page 24 Installation Reference Installation instruction steps chapters Before installation, check whether the inverter is in good condition; Whether the product fittings are complete Whether the installation tools and spare parts are complete Whether the installation environment meets the requirements Read the manual, especially the "Safety Instructions”...

  • Page 25: Installation

    5 Installation 5.1 Installation Site Required Inverter installation site environment has very important influence to the safe operation, the performance and life of the inverter. Choose the right installation site before install the inverter. All installation must comply with local standards. ●...

  • Page 26: Installation Direction

    maintenance. Don't install the inverter in living area, the inverter will produc e some noise ● when running, influence daily life. 5.2 Installation Direction The inverter should be installed vertically or titled backwards with a ● maximum angle of 10° . Do not install inverter tilted forwards.

  • Page 27: Installation Of Inverter

    100cm 100cm 100cm Figure5-2 Minimum spacing of adjacent installations Table5-1 Minimum spacing dimension Direction Minimum spacing Above 100cm Below 100cm Sides 100cm Front 100cm 5.3 Installation of Inverter Note！ Do not use jackbolts or screws to install inverters on rocks or panels.
  • Page 28 Note! Fix the inverter on the rock or panel with the toggle bolt or screw is not ● permitted. Supplier would provide the bolt which suitable for th e installation on the ● concrete wall. If the inverter is fixed on the wooden wall, please choose suitable bolt to ●...
  • Page 29 Step 2: Use expansion bolts to fix the mounting sheet metal on the wall. The tightening torque of the expansion bolts is 35Nm. Fig. 5-4 Installation of expansion bolts Step 3: Lock the expansion bolt until it is against the wall. Fig.
  • Page 30 sheet metal, until the inverter has been firmly installed on the hanging plate, before releasing the inverter. Figure 5-6 Installation of JNPXL 后视图 侧视图 strakes Back view Figure 5-7. Renderings of finished installation...

  • Page 31: Electrical Connection

    6 Electrical Connection The electrical connection can be carried out when the mechanical installation of inverter is completed. The following operation specification must be followed when making electrical connection. Warning！ All the electrical connection must meet local electrical connection standard. ●...

  • Page 32: Connecting Terminals Of Inverter

    6.1 Connecting Terminals of Inverter Input and output connection terminals are at the bottom of the inverter, including DC input terminal, AC input terminal, inverter output terminal , communication terminal, water level sensor terminal, as shown in the figure below. Figure6-1 External connection terminals of inverter Table6-1 Description Terminals...

  • Page 33: Schematic Diagram Of Electrical Connection

    6.2 Schematic Diagram of Electrical Connection Figure 6-2 is the schematic diagram of electrical connection among PV arrays, Solar Pump Inverter and three phase AC pump. Water level sensor and communication interface shall be connected if needed. Solar pumping inverter F.

  • Page 34: Cable Selection

    Optional, Use for GPRS communication. 6.3 Cable Selection Please select cable according to the following table. Table 6-3 Specification of Cables for Electrical Connection Wire Specification (AWG) Inverter type number PV+、PV- R、S、T U、V、W JNP2K2L-V6 14-12 14-12 JNP3KL-V6 12-10 12-10 JNP3K7L-V6 12-10 12-10...
  • Page 35 Notice！ Do not connect the AC input and inverter output wrong, otherwise it will cause irreversible damage to the inverter. Danger！ Ensure that all cables have no charge before electrical operation! Step 1: Connect the power grid cable with the accessory "power grid input connector" in the packaging box of the machine in the way of wiring.
  • Page 36 Figure 6-4 ACIN connector line sequence nameplate schematic Figure6-5 Schematic diagram of AC input conductor connection...

  • Page 37: Dc Input Side Electrical Connection

    Danger！ When the input AC terminal is connected with the inverter, the circuit br eaker at the AC input side shall be disconnected, otherwise the AC input will generate dangerous voltage, causing personal injury and death. Do not operate wiring by non professionals.
  • Page 38 casualty. The Non-professionals do not make the connection operation. Warning！ Before connecting PV array to the inverter, ensure the earth impedance between PV array and ground is not less than 1Mohm. Note！ If there is more strings PV modules in parallel, each string PV module ●...
  • Page 39 2. Stripped of dc cable insulation, stripped the length of the insulation layer is about 7 mm; Thread the exposed wire core into the connector core and press down with a wire clamp. 3. With the tube core part of the cable wear a fastening nut.
  • Page 40 according to the steps to tighten the screw cap in the opposite direction. Step 2: Make sure the DC side circu it breaker of the system is disconnected. Step 3: check to ensure that the pv group series connection cable on the correct polarity.

  • Page 41: Single Phase Pump Description

    6.6AC output side electrical connection notice！ Do not connect multiple inverters to a single water pump. danger！ Ensure that all cables are not live before performing electrical operation. 6.6.1 Single phase pump description Single phase pump is widely used in household and small power water delivery system with its advantages of simple structure, low cost, low noise, easy access to power, etc.
  • Page 42 Figure 6-7 Diagram of single phase pump inner winding While using our JNPxL-V5 series single phase solar pump inverter, the capacitor of single phase pump needs to be removed. Then draw a wire at the common end of the main and secondary windings, draw two wires at the other end of the main and secondary windings.
  • Page 43 6.6.2 Capacitor removal example Step 2: Remove 4 fixing screws Step 1: Put the single pump from end cover plate with cross on the open and hard ground. screwdriver remove cover plate. Step 4: Prepare a four-core motor Step 3: After remove end cover, extension wire, fix the ground wire in find the terminal connected to the “...

  • Page 44: 3Ac Output Side Electrical Connection

    6.6.3AC output side electrical connection Step 1: Connect the water pump cable with the accessory "inverter output connector" in the machine packing box, as shown in Figure 6 -5. U\V\W are connected to the three fire lines of the three -phase power grid respectively and PE is grounded.

  • Page 45: Water Level Sensor Connection

    Fig. 6-11 Schematic diagram of inverter output wire connection 6.7 Water Level Sensor Connection Dry protection function: There are two kinds of detection models, automatic and manual. Automatic dry protection is achieved through inverter’s software . And manual model need water level sensors to input signal through SENSOR inside Inverter.

  • Page 46: Water Level Sensor Interface Define

    Note！ The water level sensors’ location is designed according to your system situation. ● Water level sensor can be bound in corresponding position on the pipeline connected ● to the pump. Other method also can be used to ensure the water level sensor is in the right position.

  • Page 47: Water Level Sensor Connection

    the terminal Overflow protective pin, connect the Pin 2 water level sensor to the white cable of the terminal Note！ Above three input signal of water level sensors is passive signals, which is matching opening or closing signal of the corresponding water level sensors.
  • Page 48 If you selected water level sensor A, then water sensor installation method is shown below: A1 connect to DG A2 connect to COM B2 connect to COM B1 connect to SY Note: Both yellow shrub- like hammer, you need filled water, when you install sensor A Figure6-14 The detail figure of Sensor A B1 connect To SY...
  • Page 49 For dry protection, the end with cable of sensor should be upwards connect to SY connect to COM A:the Installation location of overflow water level For over- sensor. flow protection, the end with cable of sensor should be downwards. connect to DG connect to COM 1.

  • Page 50: Communication Connection

    6.8 Communication Connection 6.8.1 RS485 Communication When the inverter communicates with a single machine, the communication between the inverter and the monitoring equipment can be connected through the communication cable. The COM o utside the inverter is the remote communication terminal, and the output terminal wire is connected to the monitoring equipment (computer).
  • Page 51 Table 6-5 COM terminal pin definition on machine panel Pin No signal name explain RS485 communication port A RS485 communication port B The following diagram guide you to connect a single inverter to monitoring equipment. Figure6-18 Diagram of single communication wiring The wiring diagram is schematic diagram, just take HEXIN conver ting module as an example.

  • Page 52: Gprs Communication

    Note！ The monitoring software is optional, when choose this function, “Inverter  Management System User Manual” can be found from the accompanying CD. The inverter is supplied with default address "10".  6.8.2 GPRS Communication Note：More information about the communication module, please refer to the User and Installation Manual For GPRS.
  • Page 53 seal performance, please operate according to the following instruction . 1. When open the inverter cover, first use a cross screwdriver to remove the grounding screw on the right side of the inverter case, and then use a 5# Allen wrench to screw down the cover plate fixing screws in turn, and install the gasket under the screw.

  • Page 54: Commissioning

    7 Commissioning 7.1 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, otherwise, the dam age may be caused to the inverter. Make sure that the open -circuit voltage of PV array doesn’t exceed the required voltage.
  • Page 55 Ensure that the inverter is connected correctly to the AC motor. ● Ensure that the polarity of PV arrays is correct. ● Ensure that the AC Input L、N and GND is correct. ● Check whether the system pipeline is unobstructed or not. ●...
  • Page 56 running at full power, the grid exits . When the debugging mode "2" is selected, it means that the inverter is in the pure photovoltaic mode, and the power grid cannot be connected, and only photovoltaic energy is used for operation. When the debugging mode is "4", the inverter is in the motor detection mode, which needs to be modified only for single -phase pump load.

  • Page 57: Stop Frequency Setting

    panel of the inverter to stop the inverter and turn OFF the "RUN" light. Disconnect the DC input of the PHOTOVOLTAIC array, connect the AC input, and repeat the above operation. Note！ Output power of inverter drives the pump working; the pump will stop ●...
  • Page 58 Finish the debugging. Note！ The set of “StopFreq” can ensure inverter stop working when the output power of PV array is too weak to pump water, which can increase the pump’s lifespan.

  • Page 59: Lcd Panel Operating Instructions

    8 LCD Panel Operating Instructions 8.1 Inverter LCD Display There are three LED lights, four buttons on the LCD Display, shown in figure 8-1. LED lights LCD display Buttons Figure8-1 LCD Display 8.1.1 LED Indicator Direction Table8-1 LED Indicator Direction Name Color Instructions...

  • Page 60: Description Of Buttons

    until fault or status are cleared. When invert is running normally, “RUN” indicator will be lighted in green. ● 8.1.2 Description of Buttons Table8-2 Buttons Function Table Buttons Name Functions Press once to stop; long time press for “ON/OFF” 3s to get it started. Page up and increase data.

  • Page 61: Lcd Display Interface Overview

    8.1.3 LCD Display Interface Overview Vgrid Pgrid Igrid State_AC Ucap Fout RunInfo Start Temp ErrCode StopCode S-Mode Initialize D-Mode Waiting... OF-F Run/Stop GPRS LCD-Ver DSP-Ver Waiting SiteNum InverterInfo R_Mode Hpump Qpump Pgrid npump State_AC Enter Main Menu Pump Info Pout Iout Vday Fout...

  • Page 62: Initial Operational Interface

    T-Value T-Limit Im oto r Im-Rat e D-powe r D-time StopFreq Para Set F-Li mi t Lo ad D-mode OF-F OF-Time M-Mode H-rate De bug Mo d Q-rate Pump Para Set Facc n-rate Settings Pexit S_Out U-Ra ted （Initial password： NumValue 00）...
  • Page 63 Run Waiting Figure8-5 Countdown interface If the start-stop mode of the system is manual (factory default setting), long press the "ON/OFF" key for 3s, and the inverter will start up and run . Note！ The default mode of inverter is manual start -stop mode. When inverter ●...

  • Page 64: System Parameter Query And Setting

    Figure8-6 Main interface Main interface display basic running information. Main interface will turn page auto after 10s, or you can turn page through pressing "UP" and "DO WN" button. Noted! JNPxL series inverter with single-phase water pump load is powered on for the first time, the motor parameters will be detected.

  • Page 65: Basic Information

    Inverter input current (A). Inverter input power (W). Vgrid Inverter current Grid input voltage (V) Pgrid Inverter current Grid input power (W) State_AC Inverter current Grid input situation Fout Inverter output current frequency (Hz). Inverter output U phase current (A). Inverter output V phase current (A).
  • Page 66 DSP-Ver Version information of DSP program. Site number of network node of inverter, when communicate SiteNum with RS485. Default value is 10. If modifiable, please refer to“8.3.4.4Site Number Set”. Series number of inverter. Type of inverter. Return to the previous menu 8.3.1.3 Pump Information Pump information item show the basic information of pump.

  • Page 67: Statistic Information

    8.3.1.4 Statistic Information Statistic Information, statistic of the totally running time and power generation of inverter. Please refer to figure below Table 8-6 Detailed statistic data Statistic Description Inverter daily running duration. This figure will be reset when RunT-D recharged. RunT-T Accumulative running duration..
  • Page 68 information items under this menu. The following will give a detailed introduction to each setting item. 8.3.2.1 Setting of regular stop time This setting item is used to set the fixed stop time of the inverter, which is convenient for users to set according to their needs and make the inverter stop itself within the set time.
  • Page 69 Motor rated current (this parameter is only valid for single-phase pump motor parameter detection, and the Im-Rate setting value is recommended to be 60% of nominal rated current of load pump). Dry protection power, which shall be reset when the load power rating is lower than Solar pumping inverter.
  • Page 70 For choose over flow warning function. Over flow recovery time, after the warning of over flow and inverter OF-Time shut down, the duration from shut down to restart. Default value is 30. Default duration is 30 minutes. If water output is abnormal, and caused by reversed M-Mode motor phase sequence, you can try to reset this model from “REV”...
  • Page 71 When the economic mode is selected, the photovoltaic power is higher than the exit power, and the grid exit ensures that the inverter only uses photovoltaic energy. Pexit (This parameter setting is recommended to be about 75% of the load pump power, and the minimum power change is 100W.) Set the inverter output load type, select "0", the inverter S_Out...
  • Page 72 "3" before starting up and running. If the output is switched from single -phase to three-phase, this step is not required. 8.3.2.3 Pump Information Setting Used to set relevant parameters of water pump information. Table 8-11 Description of water pump information setting (user sets according to water pump parameters) Pump Information Note...
  • Page 73 Note Description Site Number Set The maximum SiteNum Inverter network site number value is 64. 8.3.2.5 Statistical Data Clear Clear S-Data, to clear inverter’s total running time and cumulative output power.
  • Page 74 Table 8-12 Statistical Data Clear Description Clear generation Note Description info. Choose yes,clear the information of the inverter output power Return to the previous menu. 8.3.2.6. Historical Malfunction Clear Clear F-Data, to clear historical malfunction record. Table 8-13 Historical malfunction clear information description Note Historical Description...
  • Page 75 Description Note Password set The default initial value for a two-digit password is 00, and Set the password to enter the the maximum value can be set Password Settings menu. to 99. 8.3.2.8. Language Setting Language setting, to set the man-machine interface language category. Table 8-15 Language set descri Language Description...
  • Page 76 Settings Used to restore factory default configuration. Table 8-17 Restore factory Settings setting instructions 8.3.3 Information inquiry In the main interface, press the up and down keys to directly query the information displayed in the main interface, and press the "ENTER" key to ENTER the main menu, to query the detailed parameters of the inverter, and to set some parameters and functions.
  • Page 77 1. LCD is the main interface Main Menu after startup; RunInfo RunInfo 2. Press to enter the InverterInfo main menu, and the cursor falls on the operation information item; ErrCode ErrCode 3. Press to enter the StopCode operation information item for query;...

  • Page 78: Parameter Setting

    8.3.4 Parameter Setting Enter the correct password before entering the parameter setting interface. After entering the parameter setting menu, you can set the configurable information items given in "8.3.2 Setting Information Item Description". Here, the setting operation is demonstrated only with the example of " D -power Setting ".
  • Page 79 Keys operation and LCD display Description Main Menu 1. Press on the main interface to enter the main RunInfo RunInfo InverterInfo menu, and the cursor falls on the operation information Settings Settings item; Fault Inquiry 2. Press the up key or down Password key to find the parameter setting item;...
  • Page 80 Password 1. Enter the correct password to T-Limit 语言 中文 enter the setting menu, and the Para Set cursor falls on the timed downtime item; T-Limit Para Set Para Set 2. Press to select the Imotor setting item of D-power; DSP参数设置...

  • Page 81: Malfunction Description

    return to the main menu. Note！ All information items given in "8.3.3 Setting Information Item Description" can be set according to the above operation, which is explained here only by taking the setting of D-power as an example. 8.4 Malfunction Description If communication failure appears, the below interface will appear.
  • Page 82 Note！ Malfunction manual reset function: when the machine breakdown with malfunction, can long press "ON/OFF" button, the machine can automatically restart immediately. When the machine is displayed Fault1 12, no such reset function. The following table shows the possibl e fault codes and status names of the inverter.
  • Page 83 Fault 113 Initialization error from the machine State 114 Overflow alarm Fault 115 Output phase lose Fault 202 Grid power over current Fault 203 Bus voltage under voltage Fault 204 Grid phase lose...

  • Page 84: Malfunction And Troubleshooting

    9 Malfunction and Troubleshooting 9.1 Troubleshooting Once malfunction or stop condition appears, the malfunction LED will lighten up, LCD will display current malfunction or stop condition, current malfunction will be recorded by the system for later inquire. Please refer to the form below which covers the fault and troubleshooting.
  • Page 85 will restart than inlet level sensor. automatically. of pump. Inverter Usually appears in shutdown. early morning, dusk When cloudy days. Weak malfunction Array This situation is aim State 110 sunshine disappear, output low. to protect the motor inverter pump restart lengthen the lifetime.
  • Page 86 Conditio Condition Phenomena Cause value Troubleshootin n code Name 1. Please make sure system proper designed. The power of pump motor should not be larger than inverter output. Inverter 2. Make sure Load higher shutdown and that the pump Output than rated will...
  • Page 87 value Imotor. Please check maximum Inverter input output voltage shutdown and voltage array Array will restart higher than make sure this Fault106 over-voltage automatically maximum after voltage input voltage malfunction below inverter of inverter. maximum input disappears. voltage. Inverter Input current If this happen, inverter please contact...
  • Page 88 damaged. accordance Pipe with water system pump or not. design is not this reasonable. happen frequently, please contact SUPPLIER. Sensor If this happen Temperature Inverter shut connects frequently, Fault111 sensor fault down. proper please contact damaged. SUPPLIER. 1.The Please inverter check if there output is short circuit...
  • Page 89 Inverter hardware circuit damage. Please check output wires Inverter proper Output phase shutdown and Phase loss connected and lose will restart Fault115 inverter fixed. automatically output. this after the fault happen disappears. frequently, please contact the supplier. 1,check pump Inverter stop wiring, and chek working, stop 1,Pump is short...

  • Page 90: Maintenance

    Disconnect with AC input, the inverter input, shut down, Grid power ensure inverter the system undervoltage no voltage, use can start itself Bus voltage , or PV array multimeter Fault 203 after the undervoltage low voltage, check shutdown or hardware voltage of grid state fault.

  • Page 91: Contact Customer Service

    A routine examination must be done every half year: Check the inverter for damaged or with deformation. ● Check whether there is abnormal noise when inverter is running. ● Check whether the parameters and time settings are correct. ● Every half to one year, a routine examination should be done: Warning！...
  • Page 92 10 Appendix A Technical Data Model JNP2K2L-V6 JNP3KL-V6 JNP3K7L-V6 JNP4KL-V6 PV input parameter Maximum DC 480Vdc input voltage Recommended MPPT voltage 200~450Vdc range Maximum DC input current MPPTmaximu m efficiency Number of input lines Utility/diesel input parameters 198-264Vac,1PH frequency 50Hz/60Hz(±3%)
  • Page 93 frequency range maximum current output system IP Grade IP65 Operating ambient -25~60℃ temperature range type of cooling natural cooling display LCD/LED communication RS485/GPRS altitude 3000m, downscaling operation above 3000m noise <50dB meet a EN 50178; IEC/EN 62109-1;IEC61000 criterion Specification 278/370/125(mm) size (W/H/D) weight 11.8kg...

  • Page 94: Quality Assurance

    11 Appendix B 11.1 Quality Assurance The product malfunction in the warranty period, Supplier be free to repair or replace products. The warranty period take the contract as a standard. Evidence During the warranty period, custome rs should provide the invoices for the purchase of products and date.

  • Page 95: Contact U S

    If the product size and parameters have changed, the latest information given by the company shall prevail without notice. If you have any question about Solar Pump Inverter, please contact Supplier.

This manual is also suitable for:

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