Jntech JNP22KH-V5 User Manual
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Jntech JNP22KH-V5 User Manual

Solar pumping inverter
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User
Manaul
Solar Pumping Inverter
JNP22KH-V5
JNP30KH-V5
JNP37KH-V5
JNP45KH-V5
JNP55KH-V5
JNP55KH-V5-EN-V1.1
I

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Summary of Contents for Jntech JNP22KH-V5

  • Page 1 User Manaul Solar Pumping Inverter JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 JNP45KH-V5 JNP55KH-V5 JNP55KH-V5-EN-V1.1...
  • Page 2 The copyright belong to Supplier. This document involves the proprietary and confidential information about Solar pumping inverter of Supplier. It strictly prohibited to disclose the document by duplicating, photocopying, publishing online and in other forms without the company’s permission. Supplier. reserves the right to change details in this publication without notice.

  • Page 3: Preface

    Preface Manual Instruction This manual describes the transportation, installation, operation, maintenance and troubleshooting of the following JNP inverters: JNP22KH-V5 ● ●JNP30KH-V5 ●JNP37KH-V5 ●JNP45KH-V5 ●JNP55KH-V5 order describe conveniently later, JNP22KH-V5, JNP30KH-V5, JNP37KH-V5, JNP45KH-V5,JNP55KH-V5 will be short for JNPxH, solar pumping inverter will be short for inverter. The inverter type shall be pointed alone, when introduce the information about each type of inverter in details.
  • Page 4 Safety Meaning Symbol Means that it may lead to serious accident of injuries, if safety warning is ignored. Danger! Means that it may lead to serious accident of injuries, equipment serious damage or main business interruption, if Warning! safety warning is ignored. Means that it may lead to moderate accident of injuries, equipment moderate damage or part of the business Notice!
  • Page 5 Should wait for 5 minutes after inverter and PV panel are disconnected, then inverter only can be touched. Beware of hot surface The inverter temperature can exceed 60℃ during operation. Please don’t touch the surface to avoid scald. CE certification marks. It means that inverter complies with the requirement of CE certification.

  • 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 PRODUCT PRESENTATION ................14 2.1 I ............14 NTRODUCTION TO PV PUMP INVERTER 2.2 P ................. 17 RODUCT NTRODUCTION 2.2.1 Product appearance................17 2.2.2 Production Dimensions ................
  • Page 7 ..................27 5.2 I NSTALLATION IRECTION ..................28 5.3 I NSTALLATION OF NVERTER 6 ELECTRICAL CONNECTION..................31 ..............32 6.1 C ONNECTING ERMINALS OF NVERTER ..........33 6.2 S CHEMATIC IAGRAM OF LECTRICAL ONNECTION ..................... 34 6.3 C ABLE ELECTION ................34 6.4 AC S LECTRICAL ONNECTION ....................
  • Page 8 ..................56 7.7 S REQUENCY ETTING ....................57 7.8 T ALIBRATION 8 LCD PANEL OPERATING INSTRUCTIONS..............58 .................... 58 8.1 I LCD D NVERTER ISPLAY 8.1.1 LED Indicator Direction................58 8.1.2 Description of Buttons.................59 8.1.3 LCD Display Interface Overview..............60 ................62 8.2 I NITIAL PERATIONAL...

  • 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 equipments, user or operating person should strictly abide by all the safety information tips of danger, warning and note which are in the process of operating and maintaining.
  • Page 10 Installing Ensure inverter not have electrical connections and electricity before installing. Danger！ The solar cell arrays should be covered with opaque materials when installing the photovoltaic arrays during the day, otherwise the solar cell arrays will generate high voltage, causing person casualties. Danger！...
  • Page 11 non-recoverable damage to the inverter. When photovoltaic array configuration, make sure that the open-circuit voltage of  each photovoltaic group does not exceed the maximum DC input voltage of the inverter. For the maximum DC input voltage of JNPxL and JNPxH series pv pump inverters, please refer to the technical parameters of each type of inverters in the appendix.
  • Page 12 Notice！ All electrical installations must comply with local and national electrical installation standards. Notice！ To ensure safe operation, correct grounding, proper conductor size, and necessary protection against short circuits are required. Notice！ The connecting cable must be of proper specification, firmly connected and well insulated.
  • Page 13 Danger！ Do not plug or unplug any connector when the inverter is in live state. Do not open the cover of the machine when the inverter is live! Notice！ During the operation of the inverter, only the LCD display screen can be touched, and the heating elements of the machine (such as the radiator) cannot be touched to prevent burns.

  • Page 14: Product Presentation

    2 product presentation 2.1 Introduction to pv pump inverter Photovoltaic pump system is different from the traditional ac pump application system, the photovoltaic pump system is the use of solar cells convert solar energy into electrical energy directly, and then driven by photovoltaic pump inverter ac motor drives the pump, such as jiang river lake from a deep well water source water, and then transported to the destination, to meet the needs of the (user) on the water of the system is mainly composed of four parts: the...
  • Page 15 Figure 2-1 Photovoltaic pump inverter application system Table 2-1 Application system list of pv pump inverter Name Description PV array Monocrystalline silicon, Polycrystalline silicon. Grid/Diesel Single phase or three phase AC source.(see generator the appendix of each model for specific requirements) JNP22KH、JNP30KH、JNP37KH、JNP45KH、...
  • Page 16 line basic equal or close to it, and input the JNPxL series grid voltage of single phase inverter input U is the single-phase ac line voltage, input the JNPxH series grid voltage of three-phase inverter U line voltage between any two lines, for example, to 30 Vmp JNPxH series single block panels, 18 series, Vmp 18 = = 30 * 1.414 * 380 = 540 V to 537.3 VIf the PHOTOVOLTAIC array configuration is not appropriate, when the photovoltaic energy and AC energy are simultaneously connected, the...

  • Page 17: Product Introduction

    2.2 Product Introduction 2.2.1 Product appearance igure2-2 Photovoltaic pump inverter appearance diagram Table2-2 Inverter appearance information table Name Introductions LCD display Man-machine interface, you can check the inverter screen operating information through LCD display screen, also can set some function and parameters of inverter.

  • Page 18: Production Dimensions

    terminal(AC IN); output terminal (MOTOR); sensor connection terminal (SERSOR) and communication terminal(COM) under the cover. 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 name plate Hanger Used to hang the inverter on the bracket.

  • Page 19: Product Name

    Table2-3 Inverter dimension table Model Width(mm) Height(mm) Depth(mm) Net weight（ kg） JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 JNP45KH-V5 JNP55KH-V5 2.2.3 Product Name The Naming of product, take JNP3K7H-V5 for example: 22K H H：380V company L： 220V power level Product Series Name...

  • Page 20: 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 good condition; ●...

  • Page 21: Identify Inverter

    Note！ Photos are for reference only, please adhere to the original product! Table3-1 Inverter and fittings table Description Status Solar Pump Inverter Standard Fixing rail Standard Water level sensor B Optiona Cold pressing terminal (SC4-5) Standard expansion bolt Standard certificate of inspection Standard specification Standard...
  • Page 22 Figure3-2 Inverter nameplate Description Inverter name and model Inverter parameter information Certificate and safety signs, concrete meaning as “Preface”...
  • Page 23 Inverter factory number...

  • Page 24: 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 Sketch map Name Recommend Function specification 10~70mm²...

  • Page 25: Installation Steps

    4.2 Installation Steps Tools ready, follow these steps to install. Table4-2 Installation process Installatio Installation instruction n steps Referenc 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...

  • Page 26: 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 27: Installation Direction

    maintenance. Don't install the inverter in living area, the inverter will produce 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 28: Installation Of Inverter

    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 29 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 the installation on the ● concrete wall. If the inverter is fixed on the wooden wall, please choose suitable bolt to ●...
  • Page 30 Step 2: Use expansion bolts to fix the mounting sheet metal to the wall. Lock the expansion bolt until the expansion bolt is attached to the wall. Figure 5-4 Installation of expansion bolts Step 3: Hang the mounting lug on the back of the inverter onto the mounting sheet metal until the inverter is firmly installed on the panel, then release the inverter.11 Appendix B Figure 5-5 Completion effect of 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 All the connecting terminals are at the bottom of the inverter, and the terminal cover is disassembled with a phillips screwdriver. There are DC side input (PV) terminals, AC side input (AC IN) output (MOTOR) terminals, communication terminals and water level sensor terminals inside.

  • Page 33: Schematic Diagram Of Electrical Connection

    RS485 or GPRS communication interface (optional) Grounding terminal(Grounding screw on the right side of inverter case) 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.

  • Page 34: Cable Selection

    DC side AC side DC side AC side PV+、 PV- U、 V、 W PV+、PV- U、 V、 W JNP55KH-V5 JNP45KH-V5 JNP37KH-V5 JNP30KH-V5 JNP22KH-V5 6.4 AC Side Electrical Connection Notice！ It’s forbidden to connect several inverters in parallel to one set of pump!
  • Page 35 Danger！ Ensure that all cables have no charge before electrical operation! Step1: Connect the wires first: Follow the steps below to connect the AC wires: Operation Instruction Operation Demonstration Step1. Fasten the three-phase input, three-phase output and grounding wires to the cold pressing terminal (SC35-8) with crimping pliers seperately.
  • Page 36 Figure6-3 AC side electrical connection Note！ The phase sequence between AC pump and inverter must be same, otherwise, it shall lead to less output or without water. Whether Phase sequence is corresponding or not should be tested when the pump system trial run for the first time.
  • Page 37 Danger！ When the input AC terminal is connected with the inverter, the circuit breaker 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. Please make sure the AC input and AC output wiring is correct, Do not connect the input and output reversely, otherwise the inverter will be damaged.

  • Page 38: Dc Side Connection

    sources that do not meet the requirements to the inverter, otherwise the following consequences may occur: ● The inverter is not recoverable damage. ● The operation of the machine is unstable, manifested as unstable pipeline water flow, pump running noise, etc. 6.5 DC Side Connection Danger！...
  • Page 39 Step1: Please connect the wire of DC according to the following steps: Operation Instruction Operation Demonstration 1. Connect DC wire and cold terminal (SC35-8） firmly by crimping plier. Step2: Through the PV waterproof terminal on the terminal cover, fix the DC wire (PV +, PV -) on the terminal, pay attention to the positive and negative poles shouldn’t be connected reversely, and ensure that the circuit breaker at the DC side of the system is in the off state.

  • Page 40: Water Level Sensor Connection

    Warning！ Make sure the Positive and Negative poles connection of PV array and Inverter are correct! 6.6 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 41: Water Level Sensor Interface Define

    6.6.1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined as below: Figure6-5 Water level sensor interface define Table 6-4 Terminal（ SENSOR）pin Detail Dry protection pin Overflow protection pin Dry protection and Overflow protection common pin, Table 6-4 Terminal（...

  • Page 42: Water Level Sensor Connection

    Overflow protection pin Dry protection and Overflow protection common pin, 6.6.2 Water level sensor connection Two kinds of water level sensor you can select as shown below: Sensor Sensor Figure6-6 Water level sensor Notice！ If you select overflow protection water level sensor, you need to set the value of “OF-F”, the LCD menu ”Settings”...
  • Page 43 Figure6-7 The detail figure of Sensor A Figure6-8 The installation figure of Sensor A If you selected water level sensor B, then water sensor installation method is shown below:...

  • Page 44: Communication Connection

    Figure6-9 The installation figure of Sensor B 6.7 Communication Connection 6.7.1 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 outside the inverter is the remote communication terminal, and the output terminal wire is connected to the monitoring equipment (computer).
  • Page 45 Figure6-10 Communication connection terminal The com part of the machine panel and the water level sensor use the same terminal block, and the pin definitions are shown in the table below:...
  • Page 46 Table 6-5 COM terminal pin definition on machine panel Terminal（ SENSOR） Detail +5V power supply RS485 communication port A. RS485 communication port B. Electrical grounding The following diagram guide you to connect a single inverter to monitoring equipment. Figure6-11 Diagram of single communication wiring The wiring diagram is schematic diagram, just take HEXIN converting module as an example.

  • Page 47: 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".  6.7.2 GPRS Communication Note：More information about the communication module, please refer to the User and Installation Manual For GPRS.

  • Page 48: Mounting And Dismounting Of Cover Panel

    6.8.2 Mounting and dismounting of cover panel For maintenance reason, you may need open the cover of inverter, and ensure better 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 49: 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 damage may be caused to the inverter. Make sure that the open-circuit voltage of PV array doesn’t exceed the required voltage.
  • Page 50 Ensure that the polarity of PV arrays is correct. ● Ensure that the AC Input R、S、T and GND is correct. ● Check whether the system pipeline is unobstructed or not. ● Switch on the DC-side circuit breakers. ● After finishing the above steps, then begin initialization. According to the pump motor rated current value on the nameplate, setting inverter overload protection value, the method is: modify the “Imotor”...

  • Page 51: Modify Motor Parameters

    When the debugging mode is 2, the inverter is in vector mode + economic mode, which is vector control mode and economic operation mode. When the debugging mode is 3, the inverter is in VF mode + economic mode. In this mode, it is VF control mode and economic operation mode. When operating in these two modes, when the system is jointly powered by photovoltaic and power grid, the inverter gives priority to photovoltaic energy, when photovoltaic output frequency &...

  • Page 52: Motor Parameters Detection And Commissioning

    380V 50Hz 1475 2875 JNP30KH 30KW 0.86 60Hz 1770 3450 380V 50Hz 1475 2875 JNP37KH 37KW 0.86 60Hz 1770 3450 380V 50Hz 1475 2875 JNP45KH 45KW 0.86 60Hz 1770 3450 380V 104A 50Hz 1475 2875 JNP55KH 55KW 0.86 60Hz 1770 3450 7.4 Motor parameters’...

  • Page 53: Commission

    Figure 7-1 Motor Parameters’ Detection Interface Note！ In some special occasion, re-detection of motor parameters is required, such as change pump, the “DebugMode” should be changed to 6, then press “DOWN” and “ENTER” at the same time to return to the first screen, and begin detect. 7.4.2 Commission 7.4.2.1 Self-detect motor parameter After finishing motor parameters’...
  • Page 54 Figure 7-2 Inverter start to operation inverter Note！ If there is no water output , or flow rate is less than normal situation, even ● there has abnormal sound of pump, possible reasons are shown below: a) Pump motor reversal caused by wrong phase sequence connection. Stop 8.3.2.2 DSP inverter, enter into “M-Mode”...
  • Page 55 7.4.2.2 Motor parameters’ setting by manual If inverter alarm malfunction and cannot pump water caused by mismatching parameters during the first commissioning, setting motor parameters by manual is required. First step: Stop inverter; 8.3.2.2 DSP parameter setting Second step: refer to “ ”...

  • Page 56: Inverter Operation Mode Switch

    7.5 Inverter Operation Mode Switch There are two kinds of operation mode of Inverter, one is Vector Control as default, and the other one is VF Control. If you want to try VF, or the performance of Vector is not good, please refer to the following step: First: Stop inverter, and ensure it’s standby;...

  • Page 57: Time Calibration

    of PV array is too weak to pump water, which can increase the pump’s lifespan. 7.8 Time Calibration The initial time in the inverter is based on Beijing time zone. Please reset time if it doesn't match local time so that the inverter can record daily, total generating capacity and historical faults information.

  • Page 58: 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. Figure8-1 LCD Display 8.1.1 LED Indicator Direction Table8-1 LED Indicator Direction Name Color Instructions Indicator POWER Power light Green Light on When power on...

  • Page 59: 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 “ON/OFF” for 3s to get it started. Page up and increase data.

  • Page 60: Lcd Display Interface Overview

    8.1.3 LCD Display Interface Overview Figure8-2 LCD diagram（ 1）...

  • Page 62: Initial Operational Interface

    Figure8-3 LCD diagram（ 2） 8.2 Initial Operational Interface Once the inverter power on, the system start to initialize, display the initialization interface: Figure8-4 System initialize If the start-stop mode is auto., countdown interface will be display after initialization complete, and when countdown finished, LCD will enter the main interface, inverter will drive water pump.

  • Page 63: System Parameter Query And Setting

    Setting". The long button time described in this article is approximately 3 ● seconds. LCD display two lines of characters. ● After inverter initializing, main interfaces will be displayed circularly: 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"...
  • Page 64 information items are located. The following describes the operation information, basic information, pump information, statistical information, and fault information. 8.3.1.1 operation information The items in the operation information show the current operation information of the inverter. The following table explains each item in detail. Figure8-3 The meaning of main interface parameters RunInfo Introduction...
  • Page 65 Run/stop Inverter operation/down state. GPRS Inverter GPRS connection state. Control Inverter operating mode mode Back To Previous Menu 8.3.1.2 Basic Information InverterInfo, shows basic information of inverter, please refer to the figure below. Figure 8-4 Basic Information Details Inverter Info Explain LCD-Ver Version information of LCD program.
  • Page 66 be zero. Qpump Pump current water flow (m3/h) npump Pump current running speed (r/m) Pout Pump current power (W) Pump daily water output on that Vday day (m3) Vtol Pump total water output (m3) Return to the previous menu 8.3.1.4 Motor control parameters Table 8-6 Motor control parameters Motor remark...
  • Page 67 of inverter. Please refer to figure below Table 8-7 Detailed statistic data Statistic Description Inverter daily running duration. This figure will be reset when RunT-D recharged. RunT-T Accumulative running duration.. E-Day Daily power inverted. This figure will be reset when recharged. E-Tot Accumulative power inverted Return to the previous menu...
  • Page 68 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 Rated power value of motor, unit is W. The setting principle is that the rated power is equal P-Rated to the rated power value indicated on the pump nameplate. Rated frequency value of motor, unit is W. The setting principle is that the rated power is equal F-Rated to the rated frequency value indicated on the pump nameplate.
  • Page 70 debugging. This value represents the operating mode of the inverter: =0, indicating that the inverter is in vector mode + reliable type =1, indicating that the inverter is in VF mode + reliable type =2, indicating that the inverter is in vector mode + economic mode =3, indicating that the inverter is in VF mode + economic mode...
  • Page 71 WC-Set WC-Set =CVT RunMode =MPPT The instruction voltage of the array, used for mode UINST the operating voltage point of the instruction works array. Frequency limit, the maximum frequency that F-limit the inverter can output. the default value is "50Hz"or"60Hz" When the user's PHOTOVOLTAIC water pump system adopts external water level sensor to D-mode...
  • Page 72 beating recovery signal inverter starting and running again. The factory default is 30 minutes. T-DJ Beat dry judge time, unit is S. The inverter selects the overflow alarm function of the photovoltaic pump system. When the OF-F water level alarm function of the water storage device is used, it needs to enable this setting and set it as "on".
  • Page 73 valid. M Ω stator resistance, unit, used for motor R-Stat control parameters. M Ω rotor resistance, unit, used for motor R-Rotr control parameters. Motor leakage inductance, mH, used for motor L-Leak control parameters. Motor mutual inductance, mH, used for motor L-Mutu control parameters.
  • Page 74 power change of 100W.) The debugging mode is effective under "group SUKP control", adjusting slave KP. The debugging mode is effective under "group SUISNT control" to adjust the slave instruction voltage. Back To Previous Menu Note！ When the user selects solar pump inverter, the parameters in the menu of "DSP Parameter Setting"...
  • Page 75 Pump Information Note Description Setting According H_rate Set pump rated lift head (m) pump nameplate input Settings Set pump rated water flow Q_rate (m3/h) Set pump rated speed ( r/m) n_rate 8.3.2.4 Site Number Set SiteNum Set, for remote RS485 communication use. Please refer to the figure below.
  • Page 76 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 8-14 Historical malfunction clear information description Historical Note Malfunction Description Clear The option is to immediately clear the inverter historical Fault.

  • Page 77: Information Inquiry

    Language Note Description After confirming the setting, the LCD Chinese display language of the inverter is set to Chinese. After confirming the setting, the LCD English display language of the inverter is set to English. 8.3.2.9 Display time setting Time setting, LCD display time setting, used to correct LCD display time. Table 8-17 Inverter time setting list.
  • Page 78 ENTER the main menu, to query the detailed parameters of the inverter, and to set some parameters and functions. The inquiry operation is shown here using the inquiry fault code as an example. 1) Firstly, located the "fault code" : According to the "Figure 8-2 LCD menu Block Diagram 1", the fault code is under the operation Information menu;...

  • Page 79: Parameter Setting

    to move the cursor and find the fault code. Note！ All query information items can be inquired according to the above operation, and the fault information in the operation information is only illustrated here. Please refer to "8.3.1 Description of Inquiry Information Item" for introduction of inquiry information item.
  • Page 80 Keys operation and LCD display Description 1. Press on the main interface to enter the main menu, and the cursor falls on the operation information item; 2. Press the up key or down key to find the parameter setting item; 3.
  • Page 81 1. Enter the correct password to enter the setting menu, and the cursor falls on the timed downtime item; 2. Press to select the setting item of D-power; 3. After entering the D-power setting, set the D-power according to the confirmation; 4.

  • Page 82: Malfunction Description

    7. Press 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 83 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 Fault112, no such reset function. The following table shows the possible fault codes and status names of the inverter.
  • Page 84 Fault 113 Initialization error from the machine State 114 Overflow alarm Fault 115 Output phase lose Fault 200 Stator detection fails Fault 201 Rotor detection failure Fault 202 Leakage detection failed Fault 203 Mutual inductance failed The main control is disconnected with Fault 204 the small LIQUID crystal Fault 205...

  • Page 85: 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 86 down, this situation malfunction. input Check voltage photovoltaic array When dc side of maximum output inverter inverter open circuit stops, Array higher than voltage to ensure system State 106 over-voltage that this voltage start itself maximum value is lower than after the fault input inverter...
  • Page 87 after power inverter, failure inverter. necessary disappears; Blocked replace 2. During the damaged inverter and pump, first water pump so that they keep debugging, motor; the same; machine Check whether the starts up with construction pump motor inverter pipeline blocked overcurrent, system damaged;...
  • Page 88 Inverter shut Please check Water level down until the water level, if of source is water the water level is lower than level recover ok, please check if low-level Dry alarm or protection there are air inside State 109 water level recover time...
  • Page 89 damaged. Inverter shut this situation down until appears more than water Water level once, please level recover in container check onsite and Overflow or protection higher than set the water level State 114 alarm recover time high-end sensor at a proper level height.
  • Page 90 Cause value Troubleshooting Condition Condition Phenomena code Name 1. Check whether unable Fault200 Stator detection connection boot fails between motor inverter inverter is short Rotor detection Unable Fault201 the motor are open failure boot well whether connected; output Motor opening Leakage Unable damage;...
  • Page 91 hardware failure; Check When wiring inverter Short water pump and stops, circuit whether system can grid blocked turn water pump can Fault205 start itself overcurrent of the pump; work normally; after Hardware 2. Check whether shutdown failure the output of the state inverter disappears.

  • Page 92: Maintenance

    output Disconnect cable of one power grid When or two phases photovoltaic input inverter of the power switch to ensure stops, grid no voltage input system can Power grid well inverter, and Fault 207 start itself phase failure connected check the wiring after with condition of the...

  • Page 93: Contact Customer Service

    much dust, clean the inverter. Check the inverter cable connection is loose, if loose, tightening again ● according to the connection method of wire. Check whether the cable is damaged, especially the metal surface contact ● surface is cut marks or not. 9.3 Contact Customer Service In order to provide faster and better service, please provide us with information below:...
  • Page 94 10 Appendix A Technical Data Item \ Model JNP22KH-V5 JNP30KH-V5 JNP37KH-V5 DC input 880Vdc Max. input DC voltage Recommended MPPT 460~850Vdc voltage Max. input DC current >99% MPPT efficiency AC input 360~460Vac (3PH) AC input voltage range AC input voltage...
  • Page 95 Mechanical data IP65 Weight -25~60℃ Item \ Model type of cooling forced air cooling Max. input DC voltage Recommended MPPT RS485/GPRS voltage 3000m, Operation of downgrading over 3000 meters Max. input DC current <60dB MPPT efficiency EN 50178; IEC/EN 62109-1;IEC61800 AC input 460*715*260(mm) AC input voltage range...
  • Page 96 AC input voltage 50Hz/60Hz frequency AC output Max. applicable motor 45kW 55KW output power 380~460Vac (3PH) Rated output voltage Output frequency 0~50/60Hz range 104A Rated output current Mechanical data IP65 Weight -25~60℃ Item \ Model type of cooling forced air cooling Max.
  • Page 97 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, customers should provide the invoices for the purchase of products and date.
  • Page 98 by the company shall prevail without notice. 11.2 Contact Us If you have any question about Solar Pump Inverter, please contact Supplier.

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