SolaX Power X3-PRO G2 Series User Manual
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SolaX Power X3-PRO G2 Series User Manual

SolaX Power X3-PRO G2 Series User Manual

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X3-PRO G2
8 kW / 10 kW / 12 kW / 15 kW
17 kW / 20 kW / 25 kW / 30 kW
User Manual
Version 12.0
www.solaxpower.com
eManual in the QR code or
at http://kb.solaxpower.com/

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Summary of Contents for SolaX Power X3-PRO G2 Series

  • Page 1 X3-PRO G2 8 kW / 10 kW / 12 kW / 15 kW 17 kW / 20 kW / 25 kW / 30 kW User Manual Version 12.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
  • Page 2 The images included in this document are solely for illustrative purposes and may differ based on the specific product models. For more detailed information, kindly visit the website of SolaX Power Network Technology (Zhejiang) Co., Ltd. at www.solaxpower.com. SolaX retains all rights for the final explanation.

  • Page 3: About This Manual

    About This Manual Scope of Validity This manual is an integral part of X3-PRO G2 series inverter. It describes the transportation, storage, installation, electrical connection, commissioning, maintenance and troubleshooting of the product. Please read it carefully before operating. This manual is valid for the following inverter models:...

  • Page 4: Target Group

    Note: * The nominal AC voltage is 230 V / 400 V and 220 V / 380 V for 8 kW ~ 17 kW models. The nominal AC voltage is 230 V / 400 V, 220 V / 380 V and 127 V / 220 V for 20 kW ~ 30 kW models.
  • Page 5 Version 9.0 (2024-01-22) Updated 2.3 Explanation of Symbols (Deleted the UKCA Logo) Updated 6.4.2 COM Connection (Updated the Pin Definitions) Version 8.0 (2023-10-26) Updated 2.3 Explanation of Symbols (Added the BIS Logo) Updated 4.4 General Data (Updated the data) Updated 5 Installation and 6 Electrical Connections (Updated contents related to PV terminals) Version 7.0 (2023-07-05) Added X3-PRO-10KW-G2 model and all related contents...
  • Page 6 to parallel connection and EV-Charger function) Version 2.0 (2022-01-11) Updated all the figures of inverter Updated 4 Technical Data (Modified the value for Nominal AC voltage and Nominal AC output current; Modified the Safety & Protection part) Updated 5.2 Packing List (Updated the pictures and descriptions) Updated 5.5 Connection of the Inverter (Modified connection steps of grid connection) Updated 6.2 LCD Function &...

  • Page 7: Table Of Contents

    Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Safety Instructions of PV, Inverter and Grid ...............1 1.2.1 Safety Instructions of PV ..................2 1.2.2 Safety Instructions of Inverter ................2 1.2.3 Safety Instructions of Utility Grid ..............3 Product Overview ..................4 2.1 Product Introduction ......................4 2.2 Appearance .........................4 2.3 Supported Power Grid .....................5...
  • Page 8 8.1.2 Cable Connections of Inverter .................28 8.2 PE Connection ........................30 8.3 AC Connection ........................32 8.4 PV Connection ........................36 8.5 Communication Connection..................42 8.5.1 COM Communication Connection ..............42 8.5.2 RS485 Communication Connection .............46 8.6 Monitoring Connection ....................51 System Commissioning ................53 9.1 Checking before Power-on ....................53 9.2 Powering on the System ....................53 9.3 Lockable DC Switch ......................54 Operation on LCD ..................57...
  • Page 9 15.1.1 Introduction of Parallel Function ..............96 15.1.2 Parallel System with Modbus Function ............97 15.1.3 Parallel System with DataHub ................99 15.2 Application of EV-Charger ....................101 15.2.1 Introduction of EV-Charger Application ............101 15.2.2 Wiring Connection Diagram ................101 15.2.3 Communication Connection with Inverter ..........101 15.2.4 Setting for EV-Charger ..................102 15.3 Application of Adapter Box G2 ..................103 15.3.1 Introduction of Adapter Box G2 Application ..........103...

  • Page 10: Safety

    Safety General Safety The series inverter has been meticulously designed and thoroughly tested to comply with the relevant state and international safety standards. Nevertheless, like all electrical and electronic equipment, safety precautions must be observed and followed during the installation of the inverter to minimize the risk of personal injury and ensure a safe installation.

  • Page 11: Safety Instructions Of Pv

    Safety 1.2.1 Safety Instructions of PV DANGER! Potential risk of lethal electric shock associated with the photovoltaic (PV) system • Exposure to sunlight can result in the generation of high DC voltage by PV modules, which can lead to electric shock causing severe injuries or even death. •...

  • Page 12: Safety Instructions Of Utility Grid

    Safety WARNING! • During operation, avoid touching any parts of the inverter other than the DC switch and LCD panel. • Never connect or disconnect the AC and DC connector while the inverter is running. • Prior to conducting any maintenance, turn off the AC and DC power and disconnect them from the inverter.

  • Page 13: Product Overview

    Product Overview Product Introduction The X3-PRO G2 Series is a transformerless three-phase PV grid-connected inverter which is designed to convert the direct current power generated from the PV modules into grid- compatible AC current and feeds the AC current to the utility grid.

  • Page 14: Supported Power Grid

    Product Overview Supported Power Grid There are different ways of wiring for different grid systems. TT / TN-S / TN-C-S are shown as below: 400 V 400 V 400 V L1 L2 L3 Inverter a. 8 kW ~ 30 kW: 1. L-N: 230 V; L-L: 400 V 2. L-N: 220 V;L-L: 380 V b.

  • Page 15: Symbols On The Label And Inverter

    Product Overview Symbols on the Label and Inverter Table 2-2 Description of symbols Symbol Description CE mark. The inverter complies with the requirements of the applicable CE guidelines. TUV certified. RCM mark. The inverter complies with the requirements of the applicable RCM guidelines.

  • Page 16: Circuit Principle Diagram

    Product Overview Circuit Principle Diagram The inverter is equipped with multi-channel MPPT for DC input to ensure maximum power even under different photovoltaic input conditions. The inverter unit converts direct current into alternating current that meets the requirements of the power grid and feeds it into the power grid.

  • Page 17: Export Control Function

    Product Overview Export Control Function Solar export control is a limit on the amount of energy your solar system can export into the grid. You have a set limit on how much energy you can export to the grid. How Export Control works •...

  • Page 18: System Overview

    System Overview System Overview PV modules SolaXCloud Grid Cloud Breaker Inverter Dongle Loads Meter DataHub EV-Charger Adapter Box G2 Cloud Figure 3-1 System diagram NOTICE! • The system diagram is for illustration only , please be subject to the actual situation. •...
  • Page 19 Table 3-1 System item description Item Description X3-PRO G2 series The X3-PRO G2 series is a PV grid-connected inverter that (the device covered supports grid connection of a photovoltaic system. in this manual) PV modules work in MPPT mode. The maximum number of MPPT for inverters: 8 kW ~ 12 kW and 10 kW-LV ~ 15 kW-LV: 2;...

  • Page 20: Transportation And Storage

    Transportation and Storage If the inverter is not put into use immediately, the transportation and storage requirements need to be met: Transportation • Observe the caution signs on the packaging of inverter before transportation. • Pay attention to the weight of the inverter. Carry the inverters by the required number of personnel as specified by local regulations.

  • Page 21: Preparation Before Installation

    Preparation before Installation Selection of Installation Location The installation location selected for the inverter is quite critical in the aspect of the guarantee of machine safety, service life and performance. It has the IP66 ingress protection, which allows it to be installed outdoor. The installation position shall be convenient for wiring connection, operation and maintenance.
  • Page 22 Preparation before Installation NOTICE! • For outdoor installation, precautions against direct sunlight, rain exposure and snow accumulation are recommended. • Exposure to direct sunlight raises the temperature inside the device. This temperature rise poses no safety risks, but may impact the device performance. •...

  • Page 23: Installation Carrier Requirement

    Preparation before Installation 5.1.2 Installation Carrier Requirement The installation carrier must be made of a non-flammable material, such as solid brick, concrete, etc. and be capable of supporting the weight of the inverter and suitable of the dimensions of the inverter . If the wall strength is not enough (such as wooden wall, the wall covered by a thick layer of decoration), it must be strengthened additionally.

  • Page 24: Tools Requirement

    Preparation before Installation ≥30 cm ≥30 cm ≥30 cm ≥35 cm ≥35 cm ≥35 cm ≥35 cm ≥30 cm ≥30 cm ≥30 cm Multiple inverters Figure 5-5 Clearance requirement for multiple inverters Tools Requirement Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site.

  • Page 25: Additionally Required Materials

    Preparation before Installation Safety gloves Safety boots Safety goggles Anti-dust mask Additionally Required Materials Table 5-1 Additionally required materials Conductor Required Material Type Cross-section AC circuit Refer to below tables breaker Dedicated PV wire with a voltage rating of 1100 V (8 kW~30 kW) PV cable / 800V (10 kW-LV~15 kW-LV), a 4 mm²...
  • Page 26 Preparation before Installation X3-PRO- X3-PRO- X3-PRO- X3-PRO- X3-PRO- Model 20K-G2 25K-G2 30K-G2 10KW-G2 25KW-G2 L1, L2, L3 wire 6-8 mm 8-10 mm 10 mm 5-6 mm 8-10 mm N, PE wire 6-8 mm 8-10 mm 10 mm 5-6 mm 8-10 mm Circuit breaker 40 A 50 A...

  • Page 27: Unpacking And Inspection

    Unpacking and Inspection Unpacking • The inverter undergoes 100% testing and inspection before delivery. However, damages may still occur during transportation. Before unpacking, please carefully check the external packaging for any signs of damage, such as punctures or cracks. • Unpacking the inverter according to the following figure.

  • Page 28: Scope Of Delivery

    Unpacking and Inspection Scope of Delivery Expansion tube Self-tapping screw Inverter Bracket Washer Positive PV dustproof buckle Positive PV connector & Negative PV connector & Negative PV dustproof buckle Positive PV pin contact Negative PV pin contact Disassembling tool for PV terminal M5 inner hexagonal screw Terminal sleeve for grounding Terminal sleeve for AC connection...
  • Page 29 Unpacking and Inspection Item Description Quantity Washer 3 pcs Positive PV connector 4 pairs for inverters with two inputs of MPPT, 6 pairs for inverters with three inputs of MPPT Positive PV pin contact Negative PV connector 4 pairs for inverters with two inputs of MPPT, 6 pairs for inverters with three inputs of MPPT Negative PV pin contact Positive PV dustproof buckle...

  • Page 30: Mechanical Installation

    Mechanical Installation WARNING! • Only qualified personnel are allowed to perform the mechanical installation in accordance with local laws and regulations. • Check the existing power cables or other piping in the wall to prevent electric shock or other damage. •...

  • Page 31: Dimensions For Mounting

    Mechanical Installation Dimensions for Mounting Before installation, check the dimensions of the bracket and ensure that enough space is reserved for the installation and heat dissipation of the entire system. Figure 7-3 Dimensions 1 (Unit: mm) 111.5 111.5 Figure 7-4 Dimensions 2 (Unit: mm)

  • Page 32: Installation Procedures

    Mechanical Installation Installation Procedures Step 1: Horizontally align the bracket with the wall, adjust the position of the bracket with a spirit level until the bubble stays in the middle, and then mark holes. 223 mm Figure 7-5 Marking the holes Step 2: Set the bracket aside and drill holes with Ø10 drill bit.
  • Page 33 Mechanical Installation Step 4: Attach the bracket on the wall again. Secure the bracket with self-tapping screws (part B) and washers (part C). Clockwise ST6.0 Figure 7-8 Securing the bracket Step 5: Open the anti-static bag and take out the machine. If the inverter needs to be temporarily placed on the ground, use foam or other protective materials to protect it against potential damages.
  • Page 34 Mechanical Installation Step 6: Lift up the inverter collaboratively by the required number of personnel in accordance with the local regulation and hang it onto the bracket. Hang the buckle of the inverter to the corresponding position of the bracket. Figure 7-9 Lifting up and hanging the inverter Step 7: Use M5 inner hexagonal screw (part O) to secure the inverter on the right side.
  • Page 35 Mechanical Installation Step 8: (Optional) For safety reason, install an anti-theft lock. The anti-theft lock is not in the scope of delivery. If necessary, prepare a lock with a diameter Ø8 mm by yourself, and keep the key to the lock in a safe place. Figure 7-11 Locking the inverter...

  • Page 36: Electrical Connection

    Electrical Connection DANGER! • Before electrical connection, make sure the DC switch and AC breaker are disconnected. Otherwise, the high voltage may cause electric shock, resulting in severe personal injuries or even death. WARNING! • Only qualified personnel are allowed to perform the electrical connection following local laws and regulations.

  • Page 37: Cable Connections Of Inverter

    Electrical Connection Table 8-1 Description of terminals Decisive Item Description Remarks voltage class DC switch PV3 is available for 25 kW and 30 kW inverter and optional for 15 kW ~ PV connection terminal 20 kW inverter (For 20 kW ~ 30 kW DVC-C inverters, when operating under 127 V / 220 V, PV3 won't work)
  • Page 38 Electrical Connection Table 8-2 Dsecriptons of connected part Item Part Description Source A PV string is composed of the PV modules connected in series. The Prepared by PV module number of input PV strings varies in user accordance with different models. (Optional) X3-PRO G2 Purchased Select a same model of inverter.

  • Page 39: Pe Connection

    Electrical Connection PE Connection The inverter must be reliably grounded. The PE connection point has been marked with It is recommended to connect the inverter to a nearby grounding point. PE connection procedures Step 1: Strip the insulation of the PE cable to an appropriate length. 6 mm 6 mm²...
  • Page 40 Electrical Connection Step 3: Crimp it with crimping tool, pull the terminal sleeve over the crimped section of the R-type terminal and use a heat gun to shrink it so that it can be firmly contacted with the terminal. Crimping tool for R-type terminal Figure 8-5 Crimping the cable and shrinking the terminal sleeve Step 4: Remove the grounding screw from the right side of the inverter.

  • Page 41: Ac Connection

    Electrical Connection AC Connection NOTICE! • Before connecting the inverter to the grid, approval must be received by local utility as required by national and state interconnection regulations. Requirements for AC connection • Grid voltage requirement » The grid voltage and frequency must be within the allowable range (refer to below table) and comply with the requirements of the local power grid.
  • Page 42 Electrical Connection Wiring procedures Step 1: Fetch the AC waterproof cover (part S) from the carton. Unscrew the fastening nut of the AC waterproof cover and remove the sealing rings. Disassemble AC waterproof cover from accessory bag Figure 8-8 Disassembling the AC waterproof cover Step 2: Select appropriate number of the sealing rings according to the outer diameter of the cable.
  • Page 43 Electrical Connection Step 4: Strip 12 mm of insulation from the wires and put the R-Type terminals for AC connection (part N) over the stripped sections . Figure 8-11 Stripping and installing the R-Type terminals Step 5: Crimp the R-type terminals with crimping tool, pull the terminal sleeves over the crimped sections of the R-type terminals and use a heat gun to shrink them so that they can be firmly contacted with the terminals.
  • Page 44 Electrical Connection Step 7: Connect the L1, L2, L3, N and PE wires to the inverter and tighten the screws of the wire ends with a Phillips head torque screwdriver. 1.2±0.1 N·m Figure 8-14 Connecting the wires and tightening the screws Step 8: Align the waterproof cover and tighten the four screws with an Allen key.

  • Page 45: Pv Connection

    Electrical Connection DANGER! • Before powering on the inverter, make sure the AC waterproof cover has been installed correctly. Otherwise, electrical shock may be caused by high voltage, resulting in serious personal injury or death. PV Connection DANGER! • When exposed to the sunlight, PV modules will generate lethal high voltage. Please take precautions.
  • Page 46 Electrical Connection Wiring procedures Step 1: Strip the insulation of the PV cables to an appropriate length. 4 mm2 Figure 8-17 Stripping the PV cables Step 2: Insert the stripped ends of the PV cables into the PV pin contacts (part E & G). Make sure the PV cable and the PV pin contact are of the same polarity.
  • Page 47 Electrical Connection Step 3: Crimp them with crimping tool for PV terminal. Pay attention to the crimping position. Crimping tool for PV terminal Figure 8-19 Crimping the PV cables with pin contacts Step 4: Loosen the swivel nuts from the PV connectors (part D & F). Thread the PV cables through swivel nuts and insert the cables into the PV connectors.
  • Page 48 Electrical Connection Step 5: A "Click" will be heard if it is connected correctly. Gently pull the cable backward to ensure firm connection. Click! Click! Figure 8-21 Securing the PV cables Step 6: Tighten the swivel nuts clockwise. Verify that the PV connectors have the correct polarity before connection.
  • Page 49 Electrical Connection NOTICE! • If the voltage reading is negative, it indicates an incorrect DC input polarity. Please check if the wiring connections on the measuring device are correct or PV connectors are not mistakenly connected. Step 8: Remove the PV terminal caps. Figure 8-24 Removing the caps Step 9: Connect the assembled PV connectors to the corresponding terminals until there is an audible "Click".
  • Page 50 Electrical Connection * Seal the unused PV terminals with the dustproof buckles (part H & I) from the accessory. Figure 8-26 Sealing the unused PV terminals WARNING! • If all PV terminals are connected, keep the dustproof buckles in a safe place. Reinstall them immediately after removing the connectors from the terminals.

  • Page 51: Communication Connection

    Electrical Connection • Disassemble the PV connectors with the disassembling tool for PV terminal. Then remove the PV cable and slightly pull out the PV connectors. Figure 8-28 Disassembling the PV connectors Communication Connection 8.5.1 COM Communication Connection This inverter provides a COM terminal, through this terminal the inverter can achieve multiple functions like DRM (Demand Response Management), remote shutdown function and heat pump control via Adapter Box (First generation).
  • Page 52 Electrical Connection Step 2: Loosen the nut and remove the stopper of the COM terminal. Figure 8-30 Disassembling the COM terminal Step 3: Thread the prepared communication cable and strip the insulation from it. Figure 8-31 Threading and stripping communication cable Step 4: Insert the stripped sections into the RJ45 terminal (part Q) following the PIN definition rules (Refer to "Pin Assignment of COM...
  • Page 53 Electrical Connection Step 5: Connect the cable into the COM terminal of the inverter. Then push the cover to appropriate position and tighten the screws. 1.2±0.1 N·m Figure 8-33 Connecting to the inverter Step 6: Tighten the nut of the COM terminal. Hand-tight Figure 8-34 Tightening the terminal...
  • Page 54 Electrical Connection Pin Assignment of COM terminal 1) White with orange stripes 2) Orange 3) White with green stripes 4) Blue 5) White with blue stripes 6) Green 7) White with brown stripes 8) Brown Figure 8-35 Pin of COM terminal Table 8-4 Pin Definition for DRM/Heat Pump Controller/Remote Shutdown Heat Pump Item...

  • Page 55: Rs485 Communication Connection

    Electrical Connection 8.5.2 RS485 Communication Connection There is an RS485 terminal on the bottom of the inverter. Through this terminal, the inverter can communicate with the computer, DataHub or other devices and the meter and achieve the parallel function or EV-Charger application. Please refer to "15 Appendix"...
  • Page 56 Electrical Connection The Pin definitions of RS485 terminal are as below. Figure 8-38 Pin of RS485 terminal Table 8-5 Pin definition of RS485 terminal Pin Definition 485A 485B 485A 485B Meter A Meter B Step 2: Loosen the nut and remove the stopper of the RS485 terminal. Figure 8-39 Disassembling the RS485 terminal Step 3: Thread the prepared communication cable(s) as the actual application scene...
  • Page 57 Electrical Connection Step 4: Insert the stripped sections into the corresponding pins of the terminal block (part P) following the PIN definition rules and tighten the screws. 0.2 N·m Figure 8-41 Inserting to the terminal block Step 5: Insert the terminal block into the RS485 terminal of the inverter. Then push the cover to appropriate position and tighten the screws.
  • Page 58 Electrical Connection Step 6: Tighten the nut of the RS485 terminal. Hand-tight Figure 8-43 Tightening the terminal NOTICE! • When making RS485 wiring, the wiring should be connected according to correct sequence: » For communication with computers: 485A-485B & 485B-485A; »...
  • Page 59 Electrical Connection • Meter connection diagram NOTICE! • The following diagram take SolaX authorized DTSU666 meter connection for example. • Please make PE connection for Meter if the meter has ground terminal. Inverter Grid Load N-BAR L1 L2 L3 N Grid Figure 8-44 Meter connection diagram *For direct-connected meter, the current flow direction should be from grid to the inverter.

  • Page 60: Monitoring Connection

    Electrical Connection Monitoring Connection The inverter provides a Dongle terminal, which can transmit data of the inverter to the monitoring website via WiFi dongle (Optional), LAN dongle (Optional) and 4G dongle (Optional), etc. Users can choose based on actual needs. (If needed, purchase products from us.) The following contents takes WiFi dongle as an example.
  • Page 61 Electrical Connection CAUTION! • The buckles on the inverter and dongle must be on the same side. Otherwise, the dongle may be damaged. NOTICE! • The distance between the router and the inverter must be no more than 100 meters. If there are walls in between, the distance must be no more than 20 meters.

  • Page 62: System Commissioning

    System Commissioning Checking before Power-on Item Checking details The inverter is installed correctly and securely. Installation Other device (if any) is installed correctly and securely. All DC, AC cables and communication cables are connected correctly and securely. Wiring The meter (if any) is connected correctly and securely. The ground cable is connected correctly and securely.

  • Page 63: Lockable Dc Switch

    System Commissioning Step 2: Switch on the AC breaker and wait for the inverter power on. AC breaker on Grid Meter Main breaker on Load Figure 9-2 Switch on AC breaker Step 3: Check the status of the LED indicators and LCD screen. »...
  • Page 64 System Commissioning Operation of the lockable DC switch » Turn on Rotate from OFF state to ON state. Figure 9-4 Turning on the lockable DC switch » Turn off Rotate from ON state to OFF state. Figure 9-5 Turning off the lockable DC switch »...
  • Page 65 System Commissioning » Unlock Remove the lock and wait for it to return to OFF state. Figure 9-7 Unlocking the lockable DC switch...

  • Page 66: 10 Operation On Lcd

    10 Operation on LCD 10.1 Introduction of Control Panel Timely output power Power Status or error information Normal Operating indicator light Down/Enter Error indicator light Up/ESC Figure 10-1 Control Panel • In normal state, the Power, Pgrid, Today and Total information will be displayed respectively.

  • Page 67: Introduction Of Main Interface

    Operation on LCD Table 10-2 Definition of keys Definition Short press: Up, move the cursor to the upper part or increase the value. Long press: ESC, exit from the current interface or function, or Up/ESC key confirm the function setting to take effect. Short press: Down, move the cursor to the lower part or decrease the value.
  • Page 68 Operation on LCD Power >Status Normal Language • Status: Display the real-time value of the inverter, including Grid and Solar. Language: Set the language displayed on the inverter. • • DateTime: Set the date and time. • Settings: Set the parameters of the inverter. Meter Energy: Display the import and export energy information of the inverter.
  • Page 69 Operation on LCD Language This inverter provides multiple languages for customers to choose, such as English, German, Polish, French, Portuguese, etc. You can set the display language based on actual need. >Language >English DateTime German DateTime You can set the current date and time of the installation site. The display format is "2021-08-15 15:34", in which the first four numbers represent the year (e.g.
  • Page 70 Operation on LCD After inputting the password, you can view the submenus of the setting parameters. > >Safety 0 0 0 0 Export Control The submemus contain the following items. For details, please refer to "10.4 Detailed Operation of Settings". Safety Export Control DRM Function...

  • Page 71: Detailed Operation Of Settings

    Operation on LCD Error Logs The Error Logs contain error information happened. It can record six items at most. Each item includes the date and time the error happened and the error name. >Error Logs 1:21-08-15 10:38 About GridLostFault About This interface shows the information of the inverter, including Product SN, Master, Manager, Internal code.
  • Page 72 Operation on LCD Table 10-3 Region settings Region Australia A Australia B Australia C Zealand Standard AS4777_2020 AS4777_2020 AS4777_2020 Setting Code Name Zealand Range OV-G-V 265 V 265 V 265 V 265 V 230-300 V OV-GV1-T 1.5 s 1.5 s 1.5 s 1.5 s OV-G-V2...
  • Page 73 Operation on LCD Export Control This function allows the inverter to control the output power to the grid. The setting parameters includes Mode Select, Control mode and Meter/CT Check. >Export Control >Mode Select DRM Function Control mode • Mode Select For Mode Select, the user can choose from Disable or Meter.
  • Page 74 Operation on LCD For Pgrid Power, set the power biased within the range 1 to 1500 W according to actual needs when the function is enabled. >Pgrid Bias >Bias Power 40 W • Meter/CT Check There are three items under Meter/CT Check: Check Mode, Check Result and MeterDirection.
  • Page 75 Operation on LCD DRM Function The DRM function is a demand response method required by the AS/NZS 4777.2 standard. The default setting is Disable. Choose Enable to control the inverter's power off through the external communication. >DRM Function >Mode Select Grid Services Disable Grid Services...
  • Page 76 Operation on LCD Items Description Enable/Disable Enable or disable the under-frequency ramp-up function fLLCO Lower limit of continuous operation range for frequency P(Under freq) fhyste Values for under-frequency hysteresis margin fPmax Frequency where power output level is maximum FreqDroopRate Rate of active power increasing gradient EntryDelayTime Delay time into under-frequency ramp-up Soft start •...
  • Page 77 Operation on LCD Mode Select Items Description QPowerLockEn Enable or Disable the curves of Voltage and Reactive Power QuLockIn Active Power ratio for entering Qu mode QuLockOut Active Power ratio of exiting Qu mode QuGridV1 QuGridV2 QuGridV3 Q(u) QuGridV4 Curve of Voltage and Reactive Power; Set four points for the output curve QuQ1 QuQ2...
  • Page 78 Operation on LCD Reactive power control, reactive power standard curve cos φ = f(P) • For VDE ARN 4105, the curve cos φ = f(P) should refer to curve A. The set » default value is shown in curve A. cos φ...
  • Page 79 Operation on LCD » For CEI 0-21, the default value of EntryVolt is 1.05Vn. When Vac > 1.05Vn, Pac > 0.2 Pn, curve cos φ = f(P) corresponds to curve C. cos φ Leading P/PEmax Lagging Figure 10-4 Curve C •...
  • Page 80 Operation on LCD Table 10-6 Items under P(u) Function Items Description Enable/Disable Enable or disable the P(u) Function. PuGridV1 PuGridV2 PuGridV3 PuGridV4 Curve of Voltage and Active Power; P(u) Function Set four points for the output curve Pu_PowerRatio1 Pu_PowerRatio2 Pu_PowerRatio3 Pu_PowerRatio4 Pu_3Tau Pu curve response time constant...
  • Page 81 Operation on LCD Grid Protection Usually end users do not need to set the Grid Protection. All default values have been set before leaving factory according to safety rules. If reset is needed, any changes should be made according to the requirements of local grid.
  • Page 82 Operation on LCD Parameter Description FacOfp2ndTime Level 2 overfrequency tripping time FacUfp1stTime Level 1 underfrequency tripping time FacUfp2ndTime Level 2 underfrequency tripping time VacOvp3rdTime Level 3 overvoltage tripping time VacUvp3rdTime Level 3 undervoltage tripping time LVRT_0_Current Zero current switch Low frequency Lower limit of power-on start-up frequency High frequency Upper limit of power-on start-up frequency...
  • Page 83 Operation on LCD RS485 CommAddr You can set the inverter address based on actual needs. Setting range is 1 ~ 255. The default address is "1". >RS485 CommAddr >Set Address ParallelSetting ParallelSetting The inverter provides the parallel connection function. It is disabled by default. >ParallelSetting >Mode Select GMPPT...
  • Page 84 Operation on LCD Reset Energy You can clear the feed-in or export power energy data (i.e. Today Import, Total Import, Today Export and Total Export under Meter Energy) collected by the inverter by this function (if a meter is connected) when select Yes. >Reset Energy >Reset Reset Meter...
  • Page 85 Operation on LCD PVConnection You can select the PV connection type based on the actual connection ways of PV panels by this function. >PVConnection >Mode Select NlineControl Multi NlineControl You can enable or disable the NlineControl by this function. If the N wire of the AC side were connected, select Enable;...
  • Page 86 Operation on LCD AdaptBoxG2 If the inverter is to work with the Adapter Box G2, Enable this function to allow the communication between the inverter and the Adapter Box G2. >AdaptBoxG2 >Mode Select Shutdown Disable Shutdown When you want to use the remote shutdown function, enable this function. >Shutdown >Mode Select ArcCheck...
  • Page 87 Operation on LCD NOTICE! • Soft Limit: The system will control the output value, but won't report any error information even when the actual output value exceeds the set value. • Hard Limit: If the actual output value reaches the set user value for Hard Limit, the system will automatically disconnect from the grid and prompt error message on the screen.

  • Page 88: 11 Operation On Solax App And Web

    11 Operation on SolaX App and Web 11.1 Introduction of SolaXCloud SolaXCloud is an intelligent management platform for home energy, which integrates energy efficiency monitoring, device management, data security communication and other integrated capabilities. While managing your home energy device, it helps you optimize the efficiency of electricity consumption and improve the revenue of power generation.

  • Page 89: Operation On The App

    Operation on SolaX App and Web 11.2.2 Operation on the App For instructions on related operations, create a new account and / or login to see the online tutorial (Click Service > Help Center) on the SolaXCloud App. < English > Global >...

  • Page 90: 12 Troubleshooting And Maintenance

    12 Troubleshooting and Maintenance 12.1 Power off Set the DC switch to OFF. Turn off the AC switch between the inverter and the power grid. WARNING! • After the inverter is powered off, there may still be residual electricity and heat which may cause electric shocks and body burns.
  • Page 91 Troubleshooting and Maintenance Faults Diagnosis and Solution Grid Frequency Out of Range. • Wait for a while and the system will reconnect when the GridFreqFault utility is back to normal. • Contact SolaX for help. PV Voltage Fault. PvVoltFault • Check whether the PV is overvoltage. •...
  • Page 92 Troubleshooting and Maintenance Faults Diagnosis and Solution Internal Communication Fault. • Restart the inverter to check if it is back to normal. InternalComFault • Update the ARM software or reburn the program. • Contact SolaX for help. Fan Fault. FanFault •...
  • Page 93 Troubleshooting and Maintenance Faults Diagnosis and Solution Power Type Fault. • Check the version of ARM and DSP. PowerTypeFault • Check the product SN number. • Contact SolaX for help. Table 12-2 Other faults Faults Solution • Check if the inverter correctly and normally connected to PV Screen not on or grid.

  • Page 94: Maintenance

    Troubleshooting and Maintenance Faults Solution • If the wiring is incorrect, reconnect them based on the wiring diagrams. Abnormal electrical • Set the voltage and current ratio according to the setting data on meter steps of meter user manual. • Contact SolaX for help if it can not return to normal. 12.3 Maintenance Regular maintenance is required for the inverter.

  • Page 95: Upgrading Firmware

    Troubleshooting and Maintenance Item Check notes Maintenance interval Heat sink • Check if there are foreign objects in the Every 12 months heat sink. General status • Check if there is any damage on the Every 6 months of inverter inverter.
  • Page 96 Troubleshooting and Maintenance Upgrade steps Remove the dongle (if connected) from the Dongle terminal of the inverter by hand, and then insert the USB drive. The inverter will automatically switch to the update interface. (For the position of Dongle terminal, see "8.1.1 Terminals of Inverter".) On the update interface, select ARM or DSP based on the file type, and then...

  • Page 97: 13 Decommissioning

    13 Decommissioning 13.1 Disassembling the Inverter WARNING! • Strictly follow the steps below to disassemble the inverter. • Only use the dedicated removal tool delivered with the inverter to disassemble PV connector. Step 1: Turn the DC switch to OFF. Figure 13-1 Turning off the DC switch Step 2: Disconnect the external AC breaker of the inverter.

  • Page 98: Packing The Inverter

    Decommissioning Step 5: Slightly pull out the dongle module. Step 6: Disconnect the AC connector and disconnect the AC cable. Step 7: Disconnect the COM and RS485 communication cable. Step 8: Put the original terminal caps on the terminals. Step 9: Unscrew the grounding screw by Allen key and remove the grounding cable. Step 10: Unlock the anti-theft lock if you installed it.

  • Page 99: 14 Technical Data

    14 Technical Data • DC Input X3-PRO- X3-PRO- X3-PRO- X3-PRO- X3-PRO- Model 8K-G2 10K-G2 12K-G2 15K-G2 17K-G2 Max. PV array input power [W] 12000 15000 18000 22500 25500 Max. PV voltage [d.c. V] 1100 1100 1100 1100 1100 Rated input voltage [d.c. V] MPPT voltage range [d.c.
  • Page 100 Technical Data X3-PRO- X3-PRO- X3-PRO- X3-PRO- X3-PRO- Model 10KW-G2 25KW-G2 10K-G2-LV 12K-G2-LV 15K-G2-LV Max. PV array input power [W] 15000 37500 15000 18000 22500 Max. PV voltage [d.c. V] 1100 1100 Rated input voltage [d.c. V] MPPT voltage range [d.c. V] 160-980 160-980 160-650...
  • Page 101 Technical Data Model X3-PRO-20K-G2 X3-PRO-25K-G2 X3-PRO-30K-G2 20000 25000 30000 Rated output apparent power [VA] (10000 @127/220 V) (12000 @127/220 V) (15000 @127/220 V) 22000 27500 30000 Max. output apparent power [VA] (11000 @127/220 V) (13200 @127/220 V) (16500 @127/220 V) Nominal AC voltage [a.c.
  • Page 102 Technical Data • Efficiency, safety and protection X3-PRO- X3-PRO- X3-PRO- X3-PRO- X3-PRO- Model 8K-G2 10K-G2 12K-G2 15K-G2 17K-G2 MPPT efficiency 99.90% 99.90% 99.90% 99.90% 99.90% Euro efficiency 97.70% 97.70% 97.70% 97.80% 97.80% Max. efficiency 98.20% 98.20% 98.20% 98.30% 98.30% Safety & Protection Over/under voltage protection DC isolation protection DC injection monitoring...
  • Page 103 Technical Data X3-PRO- X3-PRO- X3-PRO- X3-PRO- X3-PRO- Model 10KW-G2 25KW-G2 10K-G2-LV 12K-G2-LV 15K-G2-LV MPPT efficiency 99.90% 99.90% 99.90% 99.90% 99.90% Euro efficiency 97.70% 98.00% 97.20% 97.20% 97.20% Max. efficiency 98.20% 98.50% 97.70% 97.70% 97.70% Safety & Protection Over/under voltage protection DC isolation protection DC injection monitoring Back feed current monitoring...
  • Page 104 Technical Data Model X3-PRO-20K-G2 X3-PRO-25K-G2 X3-PRO-30K-G2 Dimensions (W/H/D) [mm] 482×417×186 Dimension of packing (W/H/D)[mm] 590×530×315 Net weight [kg] Gross weight [kg] Installation Wall-mounted Operating ambient -30 to +60 temperature range [°C] Storage temperature [°C] -30 to +60 Storage/Operation relative humidity 0%~100% Max.

  • Page 105: 15 Appendix

    15 Appendix 15.1 Application of Parallel Function 15.1.1 Introduction of Parallel Function The series inverter provides the parallel connection function, which could support several inverters to parallel in one system and can control zero injection to the grid with a meter installed in the main circuit.

  • Page 106: Parallel System With Modbus Function

    Appendix 15.1.2 Parallel System with Modbus Function In the parallel system with Modbus Function, at most 5 inverters can be connected. One inverter will be set as a master, and the rest are the slaves. The master inverter can communicate with all the slave inverters. Parallel Connection Diagram Inverter Inverter...
  • Page 107 Appendix Select Settings > ParallelSetting > Mode Select > Enable to activate the function for all the inverters. Please disable this function if not needed. >Mode Select >M/S Select Enable Parallel Power Select Master / Slave for the inverters in the system. Only one inverter in the same system can be selected as Master.

  • Page 108: Parallel System With Datahub

    Appendix 15.1.3 Parallel System with DataHub In the parallel system with DataHub, at most 60 inverters can be connected. The DataHub will be the master of the system, and all the inverters are the slaves. The DataHub can communicate with all the slave inverters. Parallel Connection Diagram Inverter Inverter...
  • Page 109 Appendix Wiring procedure for parallel system with DataHub Connect on end of an RS485 communication cable with DataHub, and the other end with one of the slave inverters. Table 15-4 Pin-to-pin connection for inverter and DataHub RS485 terminal of inverter RS485-1 terminal of DataHub Pin assignment Pin assignment...

  • Page 110: Application Of Ev-Charger

    Appendix 15.2 Application of EV-Charger 15.2.1 Introduction of EV-Charger Application The EV-Charger is intended for charging electric vehicles. It should be installed in a fixed location and connected to the AC supply. The EV-Charger can communicate with other devices or systems (inverter, meter, CT, third-party charger management platform, etc.) to realize intelligent control of charging process.

  • Page 111: Setting For Ev-Charger

    Appendix • Connection steps a) Plug one end of the communication cable to the right pin of the EV-Charger and the other end to PIN a & b or c & d of the RS485 terminal of the series inverter. Figure 15-5 Connecting to EV-Charger b) Connect the meter to PIN e &...

  • Page 112: Application Of Adapter Box G2

    Appendix 15.3 Application of Adapter Box G2 15.3.1 Introduction of Adapter Box G2 Application With the SolaX Adapter Box G2, users can effectively utilize solar energy by commanding it to power their heat pump using settings available on the SolaX inverter and SolaXCloud. This intelligent integration allows for optimized solar self-consumption and ultimately helps in reducing electricity bills.

  • Page 113: Communication Connection With Inverter

    Appendix 15.3.3 Communication Connection with Inverter • Connection terminal-RS485 terminal • Connection pins Table 15-6 Pin-to-pin connection for inverter and Adapter Box G2 RS485 terminal of inverter RS485_INV terminal of Adapter Box G2 Pin assignment Pin assignment 485A RS485-A 485B RS485-B •...

  • Page 114: Settings For Adapter Box G2

    Appendix 15.3.4 Settings for Adapter Box G2 Select Settings > Export Control > Mode Select > Meter; Select Settings > AdaptBox G2 > Mode Select > Enable. NOTICE! Adapter Box G2 • For specific wiring and setting procedures of Adapter Box G2, see User Manual 15.4 Special Notice...

  • Page 115: Contact Information

    Contact Information AUSTRALIA UNITED KINGDOM Unit C-D Riversdale House, Riversdale 21 Nicholas Dr, Dandenong South VIC 3175 Road, Atherstone, CV9 1FA +61 1300 476 529 +44 (0) 2476 586 998 service@solaxpower.com.au service.uk@solaxpower.com TURKEY GERMANY Fevzi Çakmak mah. aslım cd. no 88 A Am Tullnaupark 8, 90402 Nürnberg, Karatay / Konya / Türkiye Germany...
  • Page 116 SolaX Power Network Technology (Zhejiang) Co., Ltd. Add.: No. 278, Shizhu Road, Chengnan Sub-district, Tonglu County, Hangzhou, Zhejiang, China E-mail: info@solaxpower.com Copyright © SolaX Power Network Technology (Zhejiang) Co., Ltd. All rights reserved. 320101016912...

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