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

SolaX Power X3-MIC G2 Series User Manual

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X3-MIC G2
3 kW / 4 kW / 5 kW / 6 kW
8 kW / 10 kW / 12 kW / 15 kW
User Manual
Version 15.0
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-MIC G2 Series

  • Page 1 X3-MIC G2 3 kW / 4 kW / 5 kW / 6 kW 8 kW / 10 kW / 12 kW / 15 kW User Manual Version 15.0 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-MIC 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

    15 kW models. The nominal AC voltage is 127 V / 220 V for 5 kW-LV ~ 8 kW-LV models. Target Group The installation, maintenance and grid-related setting can only be performed by qualified personnel who: • Are licensed and/or satisfy state and local regulations. •...
  • Page 5 Version 11.0 (2023-10-30) 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 10.0 (2023-06-29) Updated 4.2 AC Output (Updated the AC output data) Updated 5 Installation and 6 Electrical Connections (Updated the figures and descriptions) Updated 7.3 LCD Function &...
  • Page 6 Version 4.0 (2022-01-05) Updated 4 Technical Data (Modified the value for Max. short circuit current, Nominal AC voltage and Nominal AC output current; Modified the Safety & Protection part) Updated 6.3 LCD Function & Operation (Modified the description of Safety and Grid Services) Updated 7.1 Trouble shooting (Added PowerTypeFault) Version 3.0 (2021-12-14)

  • 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 .................27 8.2 PE Connection ........................29 8.3 AC Connection ........................31 8.4 PV Connection ........................35 8.5 Communication Connection..................41 8.6 Monitoring Connection ....................47 System Commissioning ................49 9.1 Checking before Power-on ....................49 9.2 Powering on the System ....................49 9.3 Lockable DC Switch ......................50 Operation on LCD ..................53 10.1 Introduction of Control Panel ..................53 10.2 Introduction of Main Interface ..................54...
  • Page 9 15.1.3 Settings for Parallel System ................92 15.1.4 Wiring Procedure for Parallel System .............93 15.2 Application of EV-Charger ....................94 15.2.1 Introduction of EV-Charger Application ............94 15.2.2 Wiring Connection Diagram ................94 15.2.3 Communication Connection with Inverter ..........94 15.2.4 Setting for EV-Charger ..................95 15.3 Application of Adapter Box G2 ..................96 15.3.1 Introduction of Adapter Box G2 Application ..........96 15.3.2 Wiring Connection Diagram ................96...

  • 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-MIC 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. Please confirm with SolaX whether other grid systems are applicable or not. 400 V 400 V 400 V L1 L2 L3 Inverter...

  • 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

    Item Description X3-MIC G2 series inverter (the device The X3-MIC G2 series is a PV grid-connected inverter that supports covered in this grid connection of a photovoltaic system. manual) PV modules work in MPPT mode. The maximum number of MPPT PV modules is two for the inverters.
  • Page 19 System Overview Item Description With SolaX Adapter Box G2, you can connect the smart heat pump to the solar systems, realizing the control of the heat pump Adapter Box G2 through inverter. Please refer to "15.3 Application of Adapter Box (supported) G2"...

  • 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 Heat shrink tubing (Ø6 mm) 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 1000 V (3 kW~15 kW) / PV cable 800 V (5 kW-LV~8 kW-LV), a...
  • Page 26 Preparation before Installation Table 5-2 AC cable and circuit breaker recommended X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- Model 3K-G2 4K-G2 5K-G2 6K-G2 8K-G2 10K-G2 L1, L2, L3 wire 4-5 mm 4-5 mm 4-5 mm 5-6 mm 5-6 mm 5-6 mm N, PE wire 2.5-5 mm 2.5-5 mm...

  • 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 Washer Grounding terminal Positive PV connector & AC connector Allen wrench AC terminal sheath ST2.9 screw Positive PV pin contact Positive PV dustproof buckle Negative PV connector & Negative PV dustproof buckle Negative PV pin contact Disassembling tool for PV terminal Waterproof connector with RJ45...
  • Page 29 Unpacking and Inspection Item Description Quantity Grounding terminal 1 pc AC connector 1 pc Allen wrench 1 pc AC terminal sheath 1 pc ST2.9 screw 2 pcs Positive PV connector 2 pairs for 3 kW~8 kW and 10 kW (PV1: one string), 3 pairs for 12 kW~15 kW and 10 kW (PV1: two strings) Positive PV pin contact Negative PV connector...

  • 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. 144.5 * 156 * * 3 kW ~ 6 kW: 342 mm × 434 mm × 144.5 mm 8 kW ~ 15 kW &...

  • Page 32: Installation Procedures

    Mechanical Installation Installation Procedures Step 1: Unscrew the bracket from the back of the inverter. 0.8±0.1 N·m Figure 7-5 Unscrewing the bracket Step 2: 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 7-6 Marking the holes Step 3:...
  • Page 33 Mechanical Installation Step 4: Insert the expansion tubes (part A) into the holes, use rubber mallet to knock the expansion tubes into the wall. Figure 7-8 Inserting the expansion tubes Step 5: Attach the bracket on the wall again. Secure the bracket with self-tapping screws (part B) and washers (part C).
  • Page 34 Mechanical Installation Step 7: Lift up the inverter collaboratively by the required number of personnel in accordance with the local regulation and hang it onto the bracket. Make sure the two grooves on the back of the inverter are well-seated on the bracket. Figure 7-10 Lifting up and hanging the inverter Step 8: Use the original cross recessed screw to secure the inverter on the right side.

  • Page 35: 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 36: Cable Connections Of Inverter

    Electrical Connection Table 8-1 Description of terminals Decisive Item Description Remarks voltage class DC switch For 12 kW and 15 kW inverters, PV1 has PV connection terminal two strings and for 10 kW inverters, it DVC-C has an optional with two strings. Dongle terminal DVC-A AC connection terminal...
  • Page 37 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. Select a same series inverter.

  • Page 38: 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 4 mm²-6 mm²...
  • Page 39 Electrical Connection Step 3: Crimp it with crimping tool, pull the heat shrink tubing over the crimped section of the grounding terminal and use a heat gun to shrink it so that it can be firmly contacted with the 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 40: Ac Connection

    Electrical Connection Step 5: Connect the assembled PE cable to the grounding point of the inverter, and secure it with the original screw. 0.8±0.1 N·m Figure 8-7 Securing the PE cable 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.
  • Page 41 Electrical Connection • AC circuit breaker » An AC circuit breaker that matches the power of the inverter must be used between the inverter output and the power grid. Each inverter must be equipped with an independent breaker or other load disconnection unit to ensure the safe disconnection from the grid.
  • Page 42 Electrical Connection Step 3: Insert the stripped end of the five wires into the appropriate holes of the male insert (The N wire and PE wire must be connected correctly), and then tighten each screw to ensure each wire in place using the accompanying Allen wrench (part F).
  • Page 43 Electrical Connection Step 6: Tighten the bush of the male terminal to connect the AC connector with the inverter. Hand-tight Figure 8-13 Connecting with the inverter Step 7: Take out the AC terminal sheath (part G), separate it into two parts, and align them with the connected AC connector as shown below.

  • Page 44: Pv Connection

    Electrical Connection DANGER! • The AC terminal sheath must be installed, or there may be a risk of danger. DANGER! • Before powering on the inverter, make sure the AC connector has been installed correctly. Otherwise, electrical shock may be caused by high voltage, resulting in serious personal injury or death.
  • Page 45 Electrical Connection » The positive cables of the PV modules must be connected with positive DC connectors. » The negative cables of the PV modules must be connected with negative DC connectors. Wiring procedures Step 1: Strip the insulation of the PV cables to an appropriate length. 4 mm2 Figure 8-15 Stripping the PV cables Step 2: Insert the stripped ends of the PV cables into the PV pin contacts (part J &...
  • Page 46 Electrical Connection Step 3: Crimp them with crimping tool for PV terminal. Pay attention to the crimping position. Crimping tool for PV terminal Figure 8-17 Crimping the PV cables with pin contacts Step 4: Loosen the swivel nuts from the PV connectors (part I & K). Thread the PV cables through swivel nuts and insert the cables into the PV connectors.
  • Page 47 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 8-19 Securing the PV cables Step 6: Tighten the swivel nuts clockwise. Verify that the PV connectors have the correct polarity before connection.
  • Page 48 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 8-22 Removing the caps Step 9: Connect the assembled PV connectors to the corresponding terminals until there is an audible "Click".
  • Page 49 Electrical Connection * Seal the unused PV terminals with the dustproof buckles (part M & N) from the accessory. Figure 8-24 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 50: 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 8-26 Disassembling the PV connectors Communication Connection There is an RS485 terminal on the bottom of the inverter. Through this terminal, the inverter can 1) communicate with the computer, DataHub or other devices and the meter and achieve the parallel function or EV-Charger application;...
  • Page 51 Electrical Connection Pin Assignment 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 8-28 Pin of RS485 terminal Table 8-4 Pin Definition Item Heat Pump RS485/Meter...
  • Page 52 Electrical Connection Wiring Procedures Step 1: Find the waterproof connector with RJ45 (part P) from the accessory bag and disassemble it. Disassemble Figure 8-29 Disassembling the waterproof connector with RJ45 Step 2: Let the communication cable pass through the disassembled parts of the waterproof connector with RJ45.
  • Page 53 Electrical Connection Step 4: Reassemble the waterproof connector with RJ45 with the cable but do not tighten it. Figure 8-32 Reassembling the waterproof connector but not tightening Step 5: Remove the protective cover on the RS485 terminal. Figure 8-33 Removing the protective cover Step 6: Connect the cable to the RS485 terminal of the inverter.
  • Page 54 Electrical Connection Step 7: Tighten the waterproof connector. Hand-tight Figure 8-35 Tightening the waterproof connector Meter Connection The inverter can work with an electric meter to monitor household electricity usage. The electricity meter can transmit the relevant electricity data to the inverter or platform. CAUTION! •...
  • Page 55 Electrical Connection Inverter Load N-BAR L1 L2 L3 N Grid Figure 8-36 Meter connection diagram *For direct-connected meter, the current flow direction should be from grid to the inverter. * Terminal 1, 4 and 7 of the meter must be connected to the grid side, and terminal 3, 6 and 9 be connected to the inverter side of the system.

  • Page 56: 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 57 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 58: 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 59: 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 60 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 61 System Commissioning » Unlock Remove the lock and wait for it to return to OFF state. Figure 9-7 Unlocking the lockable DC switch...

  • Page 62: 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 •...

  • Page 63: 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 64 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 65 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 66 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 67: 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 68 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 69 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 70 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 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 Make sure it is kept disabled (by default). The series inverter does not support parallel connection without DataHub.
  • Page 80 Operation on LCD Reset Meter You can clear the energy data collected by the meter (if used) by this function when select Yes. >Reset Meter >Reset Reset ErrorLogs Reset ErrorLogs You can clear the error logs by this function when select Yes. >Reset ErrorLogs >Reset Reset WiFi...
  • Page 81 Operation on LCD NlineControl You can enable or disable the NlineControl by this function. If the N wire of the AC side were connected, select Enable; if not connected, select Disable. >NlineControl >Mode Select DryContact Disable DryContact You can use the DryContact to connect SG Ready heat pump by this function via Adapter Box (First generation).
  • Page 82 Operation on LCD Shutdown When you want to use the remote shutdown function, enable this function. >Shutdown >Mode Select Arc Check Disable Once enabled, you can select from NC/NO. NO (by default) means shutdown when the assigned pin (PIN1 & PIN2) of the RS485 terminal is connected. NC means shutdown when the assigned pin of the RS485 terminal is not connected.
  • Page 83 Operation on LCD For AFD self check, the default setting is No. Select Yes, the inverter will self-check whether the arc detection function is working normally. If a fault is detected, an ArcSelfTestFault report will be displayed on the inverter main interface. If the inverter is working normally, the screen will return to AFD self check interface.

  • Page 84: 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 85: 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 86: 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 87 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 88 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 89 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. Arc Fault. • Wait for 5 minutes to check if the inverter is back to normal. Arc Fault •...

  • Page 90: Maintenance

    Troubleshooting and Maintenance Faults Solution • Check if the monitoring module works normally. No data on App or • Contact SolaX for help. • If the meter connection is abnormal, reconnect them No display on meter according to the wiring diagrams. after power on •...

  • Page 91: Upgrading Firmware

    Troubleshooting and Maintenance Item Check notes Maintenance interval Grounding • Check if the grounding cables are firmly Every 12 months reliability connected to the grounding terminals. • Use a ground resistance tester to test the grounding resistance from the inverter enclosure to the PE bar in the power distribution box.
  • Page 92 Troubleshooting and Maintenance • Check the folder name and file path: Update Figure 12-1 Folder name and path 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.
  • Page 93 Troubleshooting and Maintenance CAUTION! • If the DSP firmware upgrade fails or stops, check if the DC switch is turned off. If it is off, turn it on. NOTICE! • If the LCD screen lags or freezes after the upgrade, turn off the DC switch, and then restart the inverter.

  • Page 94: 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 95: 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 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 96: 14 Technical Data

    14 Technical Data • DC Input X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- Model 3K-G2 4K-G2 5K-G2 6K-G2 8K-G2 10K-G2 Max. PV array input power [W] 6000 8000 10000 12000 16000 20000 Max. PV voltage [d.c. V] 1000 1000 1000 1000 1000 1000 Rated input voltage [d.c.
  • Page 97 Technical Data • AC Output X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- Model 3K-G2 4K-G2 5K-G2 6K-G2 8K-G2 10K-G2 Rated output apparent power [VA] 3000 4000 5000 6000 8000 10000 Max. output apparent power [VA] 3300 4400 5500 6600 8800 11000 Nominal AC voltage [a.c.
  • Page 98 Technical Data • Efficiency, safety and protection X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- Model 3K-G2 4K-G2 5K-G2 6K-G2 8K-G2 10K-G2 MPPT efficiency 99.90% Euro efficiency 97.80% Max. efficiency 98.30% Safety & Protection Over/under voltage protection DC isolation protection DC injection monitoring Back feed current monitoring Residual current detection Active anti-islanding method...
  • Page 99 Technical Data • General data X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- X3-MIC- Model 3K-G2 4K-G2 5K-G2 6K-G2 8K-G2 10K-G2 Dimensions (W × H × D) [mm] 342×434×144.5 342×434×156 Dimension of packing (W × H × D) [mm] 433×515×247 Net weight [kg] 15.5 15.5 15.5...

  • Page 100: 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 when connected with DataHub, which could support at most 60 inverters to parallel in one system and can control zero injection to the grid with a meter installed in the main circuit. In this parallel system, the DataHub will be the master of the system, and all the inverters are the slaves.

  • Page 101: Parallel System Connection Diagram

    Appendix 15.1.2 Parallel System Connection Diagram Slave 1 Slave 2 Slave N RS485 RS485 RS485 RJ45 splitter Meter DataHub Grid Figure 15-1 Parallel connection with DataHub 15.1.3 Settings for Parallel System Before connecting the DataHub to the parallel system, please check and adjust the settings following the instructions below.

  • Page 102: Wiring Procedure For Parallel System

    Appendix 15.1.4 Wiring Procedure for Parallel System Prepare several RJ45 splitters as needed. Connect one end of an RS485 communication cable with DataHub, and the other end with one of the slave inverters via a splitter. Table 15-1 Pin-to-pin connection for inverter and DataHub RS485 terminal of inverter RS485-1 terminal of DataHub Pin assignment...

  • Page 103: 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 104: Setting For Ev-Charger

    Appendix • Connection steps a) Prepare an RJ45 splitter and the splitter should be placed in a waterproof place. b) Connect the communication cables of the EV-Charger, the meter and the inverter via the splitter following the PIN definition rules. c) The communication cable to be connected with the inverter should be plugged into the RS485 terminal of the inverter.

  • Page 105: 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 106: Communication Connection With Inverter

    Appendix 15.3.3 Communication Connection with Inverter • Connection terminal-RS485 terminal • Connection pins Table 15-3 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 RS485_A RS485-A RS485_B RS485-B •...

  • Page 107: 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 NOTICE! •...

  • Page 108: 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 109 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. 320101040515...

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