SolaX Power X3 Series User Manual
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SolaX Power X3 Series User Manual

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X3-Series User Manual
X3-(10K/12K)-LV
X3 (20K/25K 30K)-TL
-
Copy Declaration
The copyright of this manual belongs to Solax Power Network Technology(Zhe jiang) Co,. Ltd.
Any corporation or individual should not plagiarize, partially or fully copy(incuding software,ect.),
and no reproduction or distribution of it in any form or by any means. All rights reserved. Solax
Power Network Technology(Zhe jiang) Co,. Ltd. reserves the right of final interpretation.
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  • Page 1 X3 (20K/25K 30K)-TL Copy Declaration The copyright of this manual belongs to Solax Power Network Technology(Zhe jiang) Co,. Ltd. Any corporation or individual should not plagiarize, partially or fully copy(incuding software,ect.), and no reproduction or distribution of it in any form or by any means. All rights reserved. Solax...

  • Page 2: Table Of Contents

    Contents Forward Application Model Intended Audience Symbol Conventions 1 Safety Precautions 1 1 Personnel Safety 1 2 The PV Inverter Protection 1 3 Installation Safety 1 4 Electrical Connections 1 5 Operating and Commissioning 1 6 Maintenance 1 7 Additional Information 2 Overview of the Inverter 2 1 Functional Models 2 1 1 Function...
  • Page 3 4 4 2 Installation Mode Requirements 4 5 Support mounting the Inverter 4 6 Installation Self check 5 Electrical Connections 5 1 Connecting Protection Ground PGND Cables 5 1 1 Preparation 5 1 2 Wiring Procedures 5 2 Connecting AC Output Cables 5 2 1 Preparation 5 2 2 Procedure of Connecting AC Cables 5 3 Connecting the PV Strings...

  • Page 4: Forward

    Forward Dear User, X3-( Thank you so much for your choosing 10K/12K -LV,X3-(20K/25K/30K)-TL the latest generation of grid tied PV Strings inverter hereinafter referred to as the inverter) designed and developed by our company. This user manual introduces the inverter in terms of its installation electrical connections operation commissioning maintenance and troubleshooting Please read through the manual carefully before installing and using the inverter and keep the manual well for future reference Application Model...

  • Page 5: Symbol Conventions

    Symbol Conventions Safety symbols used in this manual which highlight potential safety risks and important safety information are listed as follows Symbol Description Indicates an imminently hazardous situation which if not correctly DANGER followed will result in serious injury or death Indicates a potentially hazardous situation which if not correctly WARNING followed could result in serious injury or death...

  • Page 6: Safety Precautions

    1 Safety Precautions Before beginning your journey please read these safety precautions in User Manual carefully 1 1 Personnel Safety a. The PV inverter must be installed electronically connected operated and maintained through specially trained technician; The qualified technician must be familiar with the safety regulations of electrical system working process of PV power generation system, and standards of local power grid;...

  • Page 7: 4 Electrical Connections

    1 4 Electrical Connections Before installing the inverter check all electrical ports to ensure no damage and no short circuit Otherwise personal casualty and or fire DANGER will occur. Input terminals of the PV inverter apply only to input terminals of PV String do not connect any other DC source to the input terminals.

  • Page 8: 7 Additional Information

    For personal safety maintenance personnel must wear appropriate personal protective equipment (like insulation gloves and protective shoes) for the inverter maintenance. Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site. Follow the procedures of maintenance stipulated in the manual strictly Check the relevant safety and performance of the inverter rectify any faults that may compromise the inverter security performance before restarting the inverter.

  • Page 9: Overview Of The Inverter

    2 Overview of the Inverter This chapter introduces the inverter and describes its functional model network application appearance dimensions and working process etc 2 1 Functional Models 2 1 1 Function This series is a three-phase grid-tied PV string inverter transformer less that converts the DC power generated by PV strings into AC power and feeds the power into power grid.

  • Page 10: 3 Outline And Dimensions

    PV strings inverter AC Distribution Unit low-voltage power grid Figure 2 2 a low-voltage grid-tied PV power system These series support the power grid modes TN-S, TN-C, TN-C-S, and TT, as shown in Figure 2.3. Inverter Inverter Inverter Inverter TN S TN C TN C S Figure 2 3 Power grids supported by these series inverters...

  • Page 11: 3 2 Outline

    2 3 2 Outline Figures 2 5 to 2 7 show the outline of the inverters as follows 1 PV Indicator 2 Grid Indicator 3 COM Indicator 4 Warning Indicator Figure 2 5 The front view and amplification effect of LED indicator area Install the backboard Figure 2 6 The rear view of PV inverter 10K/12K/20K...

  • Page 12: 4 Working Modes

    2 4 Working Modes Three working modes of the inverter are shown as follows standby operating and shutdown Table 2 1 shows the conditions for the inverter to switch between working modes Modes Description The PV inverter enters the standby mode when >...

  • Page 13: Storage

    3 Storage This chapter describes the storage requirements for the inverter. The following storage instructions apply if the PV inverter will not be deployed immediately: > Do not unpack the inverter (put desiccant in the original box if the PV inverter is unpacked) >...

  • Page 14: Installation

    4 Installation Do not install the inverter on flammable building materials or in an DANGER area that stores flammable or explosive materials. Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks to avoid electrical CAUTION shock/burn.

  • Page 15: 2 Moving The Inverter

    If any damage mentioned above is found contact the dealer NOTICE immediately. 4 2 Moving the Inverter After checking the outer packing, move the PV inverter to the designated installation position horizontally, as shown in Figure 4.2. Figure 4 2 Moving the inverter The inverter is relatively heavy! To prevent device damage and personal CAUTION injury it need two people to move the inverter and handle with care...

  • Page 16: 3 2 Compliance And Safety Symbols

    4 3 2 Compliance and Safety Symbols Safety symbol Description Electrical shock! There are residual voltages in the PV inverter It needs 10 minutes 10min to finish discharge. The PV inverter must not be touched when in operation Its enclosure and heat sinks are extremely hot. Electrical shock! This part is charged Only qualified and / or trained electrical technicians are allowed to perform operations on the inverter.
  • Page 17 The inverter must be installed in a well ventilated environment to ensure good heat dissipation The inverter must be free from direct exposure to sunlight rain and snow to extend its service life. It is recommended that the inverter be installed in a sheltered place. If no shelter is available, build an awning, as shown in Figure 4.3.
  • Page 18 >500 >200 >200 >1000 >600 the front view the lateral view Figure 4 4 Installation Space Requirements unit mm When installing multiple inverters, install them along the same line (as shown in Figure 4.5) if sufficient space is available, and install them in triangle mode (as shown in Figure 4.6) or in stacked mode (as shown in Figure 4.7) if no sufficient space is available.
  • Page 19 Figure 4 6 Installation in triangle mode (unit: mm) Figure 4 7 Installation in stacked mode (unit: mm) The clearance between multiple inverters must be increased to NOTICE ensure proper heat dissipation when they are installed in a hot area.

  • Page 20: 4 2 Installation Mode Requirements

    4 4 2 Installation Mode Requirements Install the inverter upright or at a maximum back tilt of 15 degrees to facilitate heat dissipation. Below are some correct / wrong installation modes as shown in Figure 4 8&4 9 The correct installation mode upright back tilt Figure 4 8 The correct installation mode...

  • Page 21: 6 Installation Self Check

    , as shown Step 2 Mount the inverter on the rear panel and keep them aligned with each other in Figure 4 11. Figure 4 11 Mounting the inverter Step 3 Tighten one screw at the right of the inverter and the retaining screw on the rear panel, and ensure that they are secured, as shown in Figure 4 12.

  • Page 22: Electrical Connections

    5 Electrical Connections Before performing any electrical connections, ensure that both DC and AC Switches are OFF. Otherwise, fatal injury can occur due to DANGER the high voltage caused from AC and DC cables. Grounding the PV Strings needs below prerequisites: CAUTION An isolation transformer must be installed on the AC side of each inverter;...

  • Page 23: 1 2 Wiring Procedures

    It is recommended that the ground cable be connected to a nearby ground position. For a system with multiple inverters connected in NOTE parallel, connect the ground points of all inverters to ensure equipotential connections. 5.1.2 Wiring Procedures Step 1 Remove an appropriate length of the insulation layer from the PGND cable using a wire Stripper;...

  • Page 24: 2 Connecting Ac Output Cables

    5.2 Connecting AC Output Cables 5 2 1 Preparation The AC power cable and AC terminals have been prepared with below requirements. a AC power cable Outdoor multi copper cores cables are recommended Table 5 1 describes the specifications. Cable Outer Cross-sectional Area Diameter( Inverter Model...

  • Page 25: 2 2 Procedure Of Connecting Ac Cables

    5 2 2 Procedure of Connecting AC Cables Step 1 Remove an appropriate length of the jacket and insulation layer from the AC output cable, as shown in Figure 5.4. specification:M6 = +( L2 L1 2 3mm) 120(recommend) Figure 5.4 Stripped length (unit: mm) Step 2 Insert the exposed core wires into the crimp area of the OT terminal and crimp them using hydraulic pliers.
  • Page 26 Step 3 Loosen the four screws lock on AC OUTPUT door, and connect L1, L2, L3, N and PE through AC OUTPUT terminal cover to the terminal block, use a screw driver to tighten screws to a torque of 3N·m, as shown in Figure 5.6. L1 L2 L3 N L1 L2 L3 N Figure 5.

  • Page 27: 3 Connecting The Pv Strings

    5 3 Connecting the PV Strings PV Strings connection needs below prerequisites otherwise an DANGER electrical shock can occur. PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard Therefore when connecting the PV modules shield them with opaque cloth Before connecting DC input power cables ensure that the voltage on the DC side is within the safe range and that the DC SWITCH on the inverter is OFF Otherwise high voltage may result in electric shock.

  • Page 28: 3 1 Preparation

    5 3 1 Preparation PV Strings DC input cable and connectors have been prepared with below requirements: Route connecting for the installation of PV strings and the inverter is shown in Table 5.2 25K/30K 10K/12K/20K Input Route Number of Input Route Inverter model Connected to any route Connected to routes 1 &...

  • Page 29: 3 2 Procedure Of Connecting The Pv Strings

    c Connectors of PV Strings: Positive and negative DC input connectors are used, as shown in Figure 5.8 and Figure 5.9. the insulation layer locking nut the insulation layer locking nut Figure 5.8 Positive connector compositions Figure 5.9 Negative connector compositions Positive and negative metal connectors are packed with positive and NOTE negative connectors respectively when shipped out.
  • Page 30 Step 2 Insert the exposed areas of the positive and negative power cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool, as shown in Figure 5.11. Figure 5.11 Crimping a metal connector Step 3 Insert the crimped positive and negative power cables into the corresponding positive and negative connectors until a "click"...
  • Page 31 800 00 RANGE MAXMIN Hz % h FE FUSED FUSED Figure 5 14 Checking the voltage of every route Strings Step 6 Insert the positive and negative connectors into their corresponding terminals of the " " inverter until a click sound is heard as shown in Figure 5 15 Figure 5 15 Connecting to the inverter Step 7 After connecting the PV strings ensure that all connectors are in position by checking for resistance when a slight pull is applied.

  • Page 32: 4 Connecting Communication Cables

    5 4 Connecting Communication Cables 5 4 1 Communication Mode Description You can use the following communication modes to implement communication Bluetooth WIFI GPRS and RS485 all of which are described as follows Bluetooth Module You can turn on the Bluetooth function of the mobile phone, and set parameters and monitor data of the inverter through the mobile APP.
  • Page 33 RS485 communications mode for single inverter When RS485 communications mode is applied to monitor the inverter there are two ways for connecting to the inverter connecting to single inverter and to multiple inverters Figure 5 16 demonstrates connection to single inverter to implement RS485 communications. Inverter Data Logger Router Modem...

  • Page 34: 4 2 Connecting Rs485 Communication Cables

    5 4 2 Connecting RS485 Communications Cables Step 1 Remove an appropriate length of the insulation layer from the cable using a wire stripper, as shown in Figure 5.18. ≤60mm Figure 5 18 Stripping an RS485 communications cable (unit: mm) Step 2 Remove the RS485 screws at the inverter bottom to remove the metal plate.

  • Page 35: 4 3 Setting Rs485 Communication Address

    Step 5 Connect RS485 male terminal with its female terminal, Tighten the locking caps to a torque of 8 N·m as well as waterproof cable connectors. To prevent corrosion apply silica gel or fireproof mud to the terminal or interface after connecting external PGND cables AC cables NOTE RS485 port and Ethernet port 5 4 3 Setting RS485 Communication Address...

  • Page 36: 5 Installation Verification

    5 5 Installation Verification Check the following items after the inverter is installed according to Table 5 5 . . 1 No other objects put on the PV inverter 2 All screws especially the screws used for electrical connections are tightened 3 The PV inverter is installed correctly and securely 4 Ground AC DC and Communications cables are connected tightly correctly and securely 5 Check there is no open circuit or short circuits at AC and DC terminals using multimeter...

  • Page 37: System Operation

    6 System Operation 6 1 Powering ON the Inverter Step 1: Switch ON the AC circuit breaker. Step 2: Set the DC SWITCH of the inverter to ON Step 3: Observe statuses of LED indicator lights on the inverter according to Table 7 2 When LED status lights display the inverter has entered NOTE grid-connecting it means the inverter is operating well Any query...

  • Page 38: User Interface

    7 User Interface Inverter operation status can be obtained from observing LED indicator status. For more details, refer to Table 7.1 LED Indicator status. 1 PV Indicator 2 Grid Indicator 3 COM Indicator 4 Warning Indicator LED indicator Status Description Voltage of PV strings meet the conditions for feed-in operation.
  • Page 39 View and Set Inverter running data The inverter operation data can be obtained from the mobile APP downloaded through Bluetooth communication For more details refer to the APP User Manual Warning Grid Warning code indicator indicator indicator indicator Normal status Starting up WLAN WI-FI RS485 communication PV normal...
  • Page 40 Software version incompatibility EEPROM fault Sampling inconsistency Invert circuit abnormal Boost circuit abnormal Table 7 2 LED indicator status for common fault of the inverter , ○ Note means light ON light off blink keep original status.

  • Page 41: Maintenance

    8 Maintenance Before maintaining and commissioning inverter and its peripheral WARNING distribution unit switch off all the charged terminals of the inverter and wait at least 10 minutes after the inverter is powered off. 8 1 Routine Maintenance Maintain Maintenance Check Item Check Content content...

  • Page 42: 2 The Inverter Troubleshooting

    8 2 The Inverter Troubleshooting When inverter enters in shutdown mode abnormally the alarm light is illuminated Table 8 2 describes the troubleshooting measures for common fault alarms in the inverter. Alarm Name Causes Measures Recommended 1 If the alarm occurs accidentally possibly the Grid power grid is abnormal accidentally No extra Over Voltage...
  • Page 43 The insulation resistance against the ground at the 1 If the alarm occurs accidentally possibly the external input side circuits are abnormal accidentally The inverter Residual decreases automatically recovers to the normal operating status Current during the inverter after the fault is rectified. Abnormal operation which 2 If the alarm occurs repeatedly or lasts a long time...

  • Page 44: 3 Removing The Inverter

    remote monitor If modem or other data logger is used please reboot Communications displays zero it if still does not work after rebooting contact your outage power generation dealer. remote monitor Output switch Check if DC switch is damaged and if not switch it to displays no output tripping ON If it still doesn’t work contact your dealer...
  • Page 45 Step 2: Remove the inverter from the rear panel. Step 3: Remove the rear panel. Before removing DC input connector double check DC input switch WARNING is turned to OFF to avoid inverter damage and personal injury. Fan Maintenance External FANs are provided for 25K/30K models, check the heat sink and the inlet/outlet of external FANs periodically, clean them, and ensure that they are free from dust and blockage.

  • Page 46: Quality Guarantee

    9 Quality Guarantee 9 1 Quality Terms 1 Where otherwise agreed to in a contract quality warranty period of the inverter is 60 months 2 As for the PV inverter which is defective or damaged within its quality warranty period our company shall repair or replace it for free.

  • Page 47: Disposal Of The Inverter

    10 Disposal of the Inverter The PV inverter and its packing case are made from environment-friendly materials If the inverter service life has expired do NOT discard it with household garbage dispose the inverter in accordance with local environmental laws and regulations.

  • Page 48: Technical Specifications

    11 Technical Specifications Model X3-10K-LV X3-12K-LV Efficiency Max. Efficiency 96. 9% Input(PV) Max. Input Voltage 800V Rated Input Voltage 360V Max. Input Current 2*25A Max.Short Circuit Current 60A(2*30A) Start Input Voltage/ Min. Operating Voltage 250V/180V MPPT Operating Voltage Range 180V-750V MPPT Operating Voltage Range (Full-Load) 300V-680V Max.
  • Page 49 General Topology Transformerless IP Rating IP65 Night Self Consumption <1W Cooling Natural cooling -25 -60 Operating Temperature Range Relative Humidity Range 0-100% Max. Operating Altitude 4000m Noise <35dB Dimensions (W*H*D) 555mm*446mm*270mm Weight 35Kg HMI & COM Display Wireless & APP +LED Communication RS485, WiFi(Optional), GPRS(Optional) Warranty...
  • Page 50 X3-20K-TL Model Efficiency 98.20% Max. Efficiency 97.70% European Efficiency Input(PV) 1000V Max. Input Voltage 620V Rated Input Voltage 2*25A Max. Input Current 250V/180V Start Input Voltage/ Min. Operating Voltage 180V-950V MPPT Operating Voltage Range 480V-800V MPPT Operating Voltage Range (Full-Load) 4(2/2) Max.
  • Page 51 General Transformerless Topology IP65 IP Rating <1W Night Self Consumption Natural cooling Cooling -25 -60 Operating Temperature Range 0-100% Relative Humidity Range 4000m(>2000m derating ) Max. Operating Altitude <30dB Noise 555mm*446mm*270mm Dimensions (W*H*D) 35Kg Weight HMI & COM Wireless & APP +LED Display WiFi(Optional),RS485,GPRS(Optional) Communication...
  • Page 52 Model X3-25K-TL X3-30K-TL Efficiency Max. Efficiency 98.20% 98.20% European Efficiency 97.70% 97.70% Input(PV) 1000V Max. Input Voltage 620V Rated Input Voltage 2*37.5A Max. Input Current 250V/180V Start Input Voltage/ Min. Operating Voltage 180V-950V MPPT Operating Voltage Range 480V-800V MPPT Operating Voltage Range (Full-Load) 6(3/3) Max.
  • Page 53 General Transformerless Topology IP65 IP Rating <1W Night Self Consumption Fan cooling Cooling -25 -60 Operating Temperature Range 0-100% Relative Humidity Range 4000m(>2000m derating ) Max. Operating Altitude <50dB Noise 555mm*446mm*270mm Dimensions (W*H*D) 40Kg Weight HMI & COM Wireless & APP +LED Display WiFi(Optional),RS485,GPRS(Optional) Communication...
  • Page 54 Solax Power Network Technology(Zhe jiang) Co,. Ltd. No.288,Shizhu Rd, Tonglu Economic Development Zone, Dongxing District, Zhejiang Province, China, 311500 Tel: +86 571-56260011 E-mail: info@solaxpower.com 2020/8/18 614-00077-01...

This manual is also suitable for:

X3-10k-lvX3-12k-lvX3-20k-tlX3-25k-tlX3-30k-tl

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