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Summary of Contents for Jntech JNP75KH-V3
- Page 1 Solar Pumping Inverter User Manual JNP75KH-V3 JNP90KH-V3 JNP110KH-V3 JNP132KH-V3 JNP132KH-V3-EN-V1.0...
- 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.
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Page 3: Preface
Preface Manual Instruction This manual describes the transportation, installation, operation, maintenance and troubleshooting of the following JNP inverters: JNP75KH ● JNP90KH ● JNP110KH ● JNP132KH ● In order to describe conveniently later, JNP75KH, JNP90KH, JNP110KH, JNP132KH will be short for JNPxH, solar pumping inverter will be short for inverter. - 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.
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Page 6: Table Of Contents
CONTENT PREFACE..........................II ......................II ANUAL NSTRUCTION ........................ II ARGET EADER ......................II SE THE ANUAL ........................II YMBOL 1 SAFETY INSTRUCTIONS ....................1 2 PRODUCTION INTRODUCTION...................6 ..............6 2.1 S OLAR PUMPING YSTEM NTRODUCTION ..................8 2.2 P RODUCTION NTRODUCTION 2.2.1 Production Appearance................. 8 2.2.2 Production Dimensions..................9 2.2.3 Product Name .................... - Page 7 ..................19 5.2 I NSTALLATION IRECTION 6 ELECTRICAL CONNECTION ..................21 ........... 22 6.1 S CHEMATIC DIAGRAM OF ELECTRICAL CONNECTION ....................23 6.2 I NVERTER TERMINALS ............25 6.3 C ABLE ELECTION FOR LECTRICAL ONNECTION ....................25 6.4 DC S ONNECTION ................27 6.5 AC S LECTRICAL ONNECTION...
- Page 8 8.1.1 LED Indicator Direction................43 8.1.2 Description of Buttons ................. 44 8.1.3 LCD Display Interface Overview..............45 ................46 8.2 I NITIAL PERATIONAL NTERFACE ......................48 8.3 M 8.3.1 Operation Information................49 8.3.2 Basic Information..................50 8.3.3 Pump Information ................... 52 8.3.4 Motor control parameter interface............52 8.3.5 Statistic Interface..................
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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.
- Page 11 Warning！ If inverter damage caused by the following circumstances will be beyond the warranty scope of our company. Ensure that the max. short-circuit of DC side is in the inverter allowable range ● when configuring PV arrays, otherwise, inverter may be caused non-recoverable damage.
- Page 12 Warning！ All the operation and wiring work should be operated by professional electrical ● or machine engineer. Please do not close any breakers before all the equipments are not fully ● connected well. Notice！ All the electrical installation must meet the electrical installation standard of ●...
- Page 13 Notice！ Only LCD display screen and DC switches can be touched when the inverter is running, the heating devices (such as radiator, etc.) should not be touched to avoid scald. Maintenance Danger！ Maintenance should be done by professional maintenance technical person. ●...
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Page 14: Production Introduction
2 Production Introduction 2.1 Solar pumping System Introduction Solar pumping system is different from traditional AC pump application system, Solar pumping system is using solar cells to directly convert solar energy into electrical energy, then Solar pumping inverter drive the AC motor to drive pump getting water from deep well, river, lake etc., finally transport to the destination to meet our demand for water. - Page 15 Table2-1 Solar pumping application system list Name Description PV array Monocrystalline silicon, Polycrystalline silicon Solar pumping Solar pumping inverter inverter AC pump Three-phase AC pump. Water storage Can be the reservoir, fields etc. device...
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Page 16: Production Introduction
2.2 Production Introduction 2.2.1 Production Appearance Figure2-2 Appearance of Solar pumping inverter 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 parameters of inverter. Handle Bottom handle... -
Page 17: Production Dimensions
Input Wire casing Including DC input terminals(PV+/PV-) Output wire casing The terminals include output terminals (U, V, V, and PE), water level sensor wiring terminals, and RS485 communication terminals. Fan and Heatsinks Help machine heat dissipation. Nameplate Listed inverter parameters 2.2.2 Production Dimensions Figure2-3 Dimension drawing of Solar pumping inverter (unit : mm) Table2-3 Inverter dimension table... -
Page 18: Product Name
JNP90KH JNP110KH JNP132KH 2.2.3 Product Name The way of product naming, take JNP75KH for example: H： 380V Company name Product series name Power level 2.3 Technical Feature Advanced IGBT power module; ● MPPT(Maximum power point tracking) technology, MPPT ● efficiency >99.9%; Automatic/ manual operation mode;... -
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 good condition; ●... -
Page 20: Identify Inverter
Description Status PV pump inverter Standard User manual Standard Water level sensor B Optional Water level sensor A Optional Certificate of inspection Standard Cold pressed terminals Standard Packing List Standard expansion bolt Standard Figure3-1 Inverter and standard fittings Note！ Photos are for reference only, please refer to actual products. Table3-1 Inverter and fittings table 3.2 Identify Inverter The nameplate in the side of inverter, and it shows the inverter model, main... - Page 21 Figure3-2 Inverter nameplate Table3-2 Nameplate information table Description Company Logo and name. Inverter model and parameter information. Certificate and safety signs, concrete meaning as “Preface”. Company and address. Inverter factory number.
- Page 22 Note！ Photos are for reference only, Please adhere to the original products!
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Page 23: Installation Procedure
4 Installation Procedure 4.1 Prepare Installation Tools Inverter installation and wire installation will need the following tools. You also can choose the right tools according to your own experience Table4-1 Installation tools list Sketch map Name Recommend Function specification Straight Used for the AC wire Ф3 screwdriver... -
Page 24: Installation Steps
Ф 12 Drilling holes for fixing electric drill holes in the inverter mounting plate 4.2 Installation Steps Follow these steps for installation. - Page 25 Table4-2 Installation process Installation Installation instruction Reference steps chapters Before installation, check whether the inverter is in good condition or not; 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”...
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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. Figure5-1 Installation Direction All installation must comply with local standards. ●... -
Page 27: Installation Direction
inverter in the closed case, otherwise the inverter will not work properly. Inverter protection level is IP65, can be installed outdoor, when the ● inverter is installed outdoor, should be installed as far as possible in the eaves or other have the shadow place, avoiding direct sunlight, rain and snow. - Page 28 LCD display information. Figure5-2 Minimum spacing of adjacent installations Table5-1 Minimum spacing dimension Direction Minimum spacing 100cm 100cm 100cm 100cm...
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Page 29: 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 30: Schematic Diagram Of Electrical Connection
6.1 Schematic diagram of electrical connection Figure6-1 External connection terminals of inverter Table6-1 Terminals Description Items Description PV Array Max. open voltage of each string is 880Vdc Non-standard accessory Can be ordered PV combiner box from SUPPLIER. PV pump inverter Main device of system Pump Three phase AC pump... -
Page 31: Inverter Terminals
Modify system operation model remotely. 6.2 Inverter terminals Input and Output terminals are at the bottom of inverter. As shown in following figure. Figure6-1 Electrical connection terminal Table6-1 Mark for connection terminals Terminal Description PV1+/PV2+ PV positive input terminals PV1-/PV2- PV negative input terminals U/V/W AC output terminals, connect with AC pump... - Page 32 Output load grounding terminal。...
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Page 33: Cable Selection For Electrical Connection
6.3 Cable Selection for Electrical Connection Please select cable according to the following table. Table 6-3 Specification of Cables for Electrical Connection Inverter Conduct cable recommendation（mm²） model DC side AC side PV+、PV- U、V、W JNP75KH 70mm 70mm 35mm JNP90KH 95mm 95mm 35mm JNP110KH 120mm... - Page 34 Note！ make sure PV arrays are same, including the model of PV module, number, ● angle, azimuth, and connecting wires being with the same cross-sectional area. Inspect every system carefully before installation. ● Step1: Please connect the wire of the DC connector according to the following Step2: Ensure that the DC-side PV combine box are in off state.
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Page 35: Ac Side Electrical Connection
Warning！ Make sure the Positive & Negative poles connection of PV array and Inverter are correct! 6.5 AC Side Electrical Connection Notice！ It’s forbidden to connect several inverters in parallel to one set of pump! Danger！ Ensure that all cables are not charged before electrical operation! Step1: Wire connection of the connector: Please connect the wire of AC connector according to the following figure:... -
Page 36: Water Level Sensor Connection
Step2: AC cables connect with three phase terminals of pump, inverter earth wire connect with pump earth wire terminal. 6.6 Water Level Sensor Connection Dry protection function: There have 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 Supplier Inverter. -
Page 37: Water Level Sensor Interface Define
6.6.1 Water level sensor interface define Water level sensor connector pins in inverter panel port are defined are shown below: Figure 6-5 water level sensor connector terminals Table6-4 the definition of pin of terminal block Pin NO. Description RS485 communication terminal A RS485 communication terminal B Positive of VCC. -
Page 38: Water Level Sensor Connection
Overflow protection signal input terminal of sensor Common terminal of water level sensor 6.6.2 Water level sensor connection Two kinds of water level sensor you can select are shown below: Sensor A Sensor B Figure6-6 Sensor Notice！ If you select overflow protection water level sensor, you need to set the value of “OF-F”, the LCD menu ”Settings”... - Page 39 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:...
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Page 40: Communication Connection
Figure6-9 The installation figure of Sensor B 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. 6.7 Communication Connection 6.7.1 RS485 Communication When the inverter is for stand-alone communication, the communication... -
Page 41: Gprs Communication
The COM terminal outside is for remote communication, output cable connect into monitoring PC. please refer to table 6-4 for COM terminals with inverter weak current signal connection terminals instruction. The following diagram guides you to connect a single inverter to monitoring equipment. Figure6-10 Diagram of single communication wiring The wiring diagram is schematic diagram, just take HEXIN converting module as an example. - Page 42 and Installation Manual for GPRS.
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Page 43: 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 photovoltaic array doesn’t exceed the required voltage. -
Page 44: Modify Motor Parameters
● Ensure that the AC and DC terminals are connected firmly. ● Check whether the system pipeline is unobstructed or not; ● Switch on the DC-side circuit breakers. After finishing the above all, then begin initialization. 7.3 Modify motor parameters After initialization, enter into critical parameters’... -
Page 45: Motor Parameters Detection And Commissioning
7.4 Motor parameters’ detection and commissioning 7.4.1 Motor parameters’ detection 7.4.1.1 Motor parameters’ detection After finishing the modification, press “ENTER” & “DOWN” at the same time to return to the first screen, long-press “ON/OFF” for 4S, and inverter begin motor parameters’ detection, if success, it will indicate “Test finish Start up? YES/NO”;... -
Page 46: Commission
7.4.1.2 Set motor parameters by manual If the first commission failed caused by motor parameters’ mismatching, and reset by manual is required. Please refer to the following steps: Stop Inverter; Refer to “8.3.5.3 Key Parameters of the System Set ” to change “MP-Sel” to “manual”;... - Page 47 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 inverter, enter into “M-Mode”...
- Page 48 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; Second step: refer to “8.3.6.2 Key Parameters of the System Set ” to change “MP-Sel”...
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Page 49: 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 50 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.
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Page 51: Lcd Panel Operating Instructions
8 LCD Panel Operating Instructions 8.1 Inverter LCD Display There have 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 52: Description Of Buttons
until fault or status are cleared. When invert is running normally, “RUN” indicator will be lighted. ● 8.1.2 Description of Buttons Table8-2 Buttons Function Table Buttons Name Functions Press once to stop; long time press for “ON/OFF” 4s to get it started. “UP”... -
Page 53: Lcd Display Interface Overview
8.1.3 LCD Display Interface Overview... -
Page 54: Initial Operational Interface
Figure8-2 LCD diagram 8.2 Initial Operational Interface Once the inverter power on, the system start to initialize, display the initialization interface: Figure8-3 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 55 LCD display two lines of characters. ● Time control of inverter running, saying after setting the running time, and ● inverter can stop auto. Please refer to “8.3.5.2 Timing Shutdown Time Set” for timing shutdown setting. After inverter initializing, main interfaces will be displayed circularly: Figure8-5 Main interface Main interface display basic running information.
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Page 56: Main Menu
Run: Inverter running. Stop: Inverter stop and pump stop work. Dry mode of PV pump system: “AUTOMATIC” doesn’t need D-Mode external water level sensor, “DETECTION” need external water level sensor. The optional function of overflow alarm in PV pump system. On: Inverter has over-flow protection function, If user's solar pump system include water storage device, this parameter should be set to "ON". -
Page 57: Operation Information
FaultInquiry Inquire current and historical fault. Return to the previous menu. 8.3.1 Operation Information RunInfo, display the running information of the inverter, please refer to the figure below. Figure8-6 Procedure of running data inquiry Table8-5 RunInfo datas RunInfo Introduction Inverter input voltage(V) Inverter input current(A) -
Page 58: Basic Information
Inverter input power(W) Fout Inverter input current frequency(Hz) Iuout Inverter output U phase current (A). Ivout Inverter output V phase current (A). Iwout Inverter output W phase current (A). Temp Inverter radiator ’s temperature(℃ ) ErrCode The most recently error mode. Stop code, can check the reason of inverter shut down most StopCode recently. - Page 59 Figure8-7 Procedure of information inquiry Table8-6 Detail information of inverter InverterInfo Explain LCD-Ver Version information of LCD program. 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“8.3.5.4Site Number Set”.
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Page 60: Pump Information
Pump Information 8.3.3 Pump information item show the basic information of pump. Pump Info Description Remark The rated head, rated flow and rated speed in the Hpump Pump running lift head (m) setting menu must be set first; otherwise, they all appear to be zero. - Page 61 Figure8-8 Motor control parameter query step figure Table 8-8 Motor control parameter list Motor control Instructions parameter R-Stat Detected motor stator resistance L-Leak Detected motor leakage R-Rotr Detected motor rotor resistance L-Mutu Detected motor mutual inductance I-Ext Excitation current U-KP Proportional coefficient of voltage loop U-KI Voltage loop Integral coefficient...
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Page 62: Statistic Interface
QIINST Q axis instruction current QIFACT Q axis actual current QUINST Q axis instruction voltage DIINST D axis instruction current DIFACT D axis actual current DUINST D axis instruction voltage ITORQUE Max. torque current Return to previous menu Note！ The above parameters can only be read, cannot be revised. 8.3.5 Statistic Interface Statistic, statistic of the totally running time and power generation of inverter. -
Page 63: Parameter Setting
Figure8-9 Statistic data inquiry procedure Table8-9 Detailed statistic data Statistic Explain Inverter daily running duration. This figure will be reset when RunT-D recharged. Accumulative running duration. This figure can be reset manually. RunT-T Please refer to “8.3.3Statistical Data Clear”. E-Day Daily power inverted. - Page 64 Figure8-10 Parameter setting Note！ Default value of factory password is 00.
- Page 65 Table8-10 Inverter setting Settings Explain To set the stopping time according to user requirement, T-Limit inverter will stop running automatically as setting. For user to set the critical parameters of Solar pumping Para Set system. PumpParaSet Set pump parameters SiteNum Set Site number setting for remote communication.
- Page 66 Figure8-12 Procedure of timing set 8.3.6.2 Key Parameters of the System Set Para Set, to set the key parameters when your chosen pump is not matched to the rated power of Inverter. Please refer to the figure below.
- Page 67 Figure8-13 Procedure of key parameters reset Note！ Just take “U-Rated” set as an example, other setting is the same.
- Page 68 Table8-11 Loading matching set Para Set Explain Motor rated voltage (V), which should be set according to pump U-Rated nameplate. Motor rated current (A), which should be set according to pump I-Rated nameplate. Motor rated power (w), which should be set according to pump P-Rated nameplate.
- Page 69 =3 VF control model; =5 Step by step motor parameter detection model; =6 Continuous motor parameter detection model; =8 Theoretical calculation PI parameter model. =0 full-order mathematic model; =1 voltage model; VC-Sel =2 improved voltage model; =3 improved full-order mathematic model. FL-Limit Flux linkage limit of motor.
- Page 70 warning. If you want to use this function, please set to “on”. Default is “OFF”. OF-Time Over-flow alarming recovery time. =AUTO Motor parameter self-detection; MP-Sel =Manual Motor parameter input by manual. =1 Detect stator resistance; =2 Detect leakage inductance; =3 Detect rotor resistance; TestOrder =4 Detect static mutual inductance;...
- Page 71 Notice！ Those parameters cannot be changed easily, only when you get Supplier ● New Energy engineer ’s recommendation. Supplier New Energy Inverter is not allowed to be used to drive the pump, ● which rated power is higher than its max. applicable motor output power. 8.3.6.3 Site Number Set SiteNum Set, for remote RS485 communication use.
- Page 72 8.3.6.4 Statistical Data Clear Clear S-Data, reset accumulated running duration and power inverted figure. Please refer to the figure below. Figure8-15 Produce of statistic data clear 8.3.6.5 Historical Malfunction Clear Clear F-Data, to clear historical malfunction record. Please refer to the figure below.
- Page 73 8.3.6.6 Password Set Password Set, to set the password to enter set menu, please refer to the figure below. Figure8-17 Procedure of password set 8.3.6.7 Language Set Language set, to set the man-machine interface language category, please refer to the following steps to operate.
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Page 74: Fault Inquiry
Figure8-18 Procedure of language set 8.3.7 Fault Inquiry Fault Inquiry, to inquiry current and historic malfunction. Table8-13 Fault inquiry Fault Inquiry Explain Current Fault Current fault inquiry. History Fault History fault inquiry. Return to the previous menu. Current Fault, to enquire current malfunction, please refer to the figure below. -
Page 75: Pump Information Setting
Figure8-19 Procedure of the current fault inquiry 8.3.8 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 Description Note Setting According to Set pump rated lift head (m) H_rate... -
Page 76: Malfunction Warning
8.3.9 Malfunction Warning If communication failure appears, the below interface will appear. Figure8-20 Communication error screen This interface will appear, and Fault red led flickers to show malfunction, this means internal communication malfunction is appear. Figure8-21 Fault screen Display show malfunction, fault LED lights up, shows inverter malfunction or stop. - Page 77 Name of malfunction and condition showed code Fault100 Driving over-current. State101 Array voltage low. Fault104 Radiator overheating. Fault105 Output over-load. Fault106 Array over-voltage. Fault107 Array over-current. Fault108 AC over-current. State109 Dry alarm. State110 Weak sunshine. Fault111 Temperature sensor fault. Fault112 Short circuit fault.
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Page 78: 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 79 Please check the input Inverter shutdown voltage from array and make when fault Out put energy sure this voltage inside appeared and will State101 from array inverter input voltage range. automatically changes Note: cloudy days, restart after morning, down, this disappear situation is not malfunction.
- Page 80 Table9-3 Malfunction and troubleshooting Condition Phenomena Cause value Troubleshooting code Inverter shutdown Please check if there is short will restart Short circuit in circuit in output wires Fault100 automatically after output wire the fault disappears Please make sure the system is proper designed. The power of pump motor should not be larger than Inverter...
- Page 81 Inverter shutdown Input current of If this happen, please contact will restart inverter higher Supplier. Fault107 automatically after than rated the fault disappears maximum value inspect 1. Power 1. Please whether capacity of pump motor is normal. inspect pump motor is 2.
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Page 82: Maintenance
1. Please check if the output Inverter shutdown wires are proper connected will restart Phase loss Fault115 and fixed. automatically after inverter output 2. If this happen frequently, the fault disappears please contact Supplier. 9.2 Maintenance Please check and ensure the inverter is not charged with electricity before any maintenance. -
Page 83: Contact Customer Service
9.3 Contact Customer Service If you have any question about solar pumping inverter, please contact us, In order to provide faster and better service, please provide us with information below: Model of Inverter ● Series number of inverter ● Malfunction name and time ●... - Page 84 10 Appendix A Technical Data Item \ Model JNP75KH-V3 JNP90KH-V3 JNP110KH-V3 JNP132KH-V3 DC input Max. input DC 880Vdc voltage Recommended 460-850Vdc MPPT voltage Max. input DC 166A 205A 251A 287A current MPPT efficiency Number of string AC output Max. applicable...
- Page 85 System parameter Protective class IP65 Protection degree Operating -25℃ to +50℃, above 50℃ need derate operating temperature range Cooling method Forced air cooling Display Communication RS485/GPRS interface Altitude 3000m; above 3000m need derate operating Noise emission ＜70dB Compliance EN 50178; IEC/EN 62109-1; IEC 61800...
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Page 86: Quality Assurance
11 Appendix B 11.1 Quality Assurance The product malfunction in the warranty period, Supplier will be free repair or replacement 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 87: Contact Us
If the product size and parameters have changed, the latest information given by the company shall prevail without notice. 11.2 Contact Us If you have any question about Solar pumping inverter, please contact us, and we will be happy to give you answers. Please remember the following contact information.
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