SolaX Power X3-NEO-LV Series User Manual
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SolaX Power X3-NEO-LV Series User Manual

SolaX Power X3-NEO-LV Series User Manual

5 kw / 8 kw / 10 kw / 12 kw / 15 kw / 20 kw
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Summary of Contents for SolaX Power X3-NEO-LV Series

  • Page 1 X3-NEO-LV 5 kW / 8 kW / 10 kW / 12 kW / 15 kW / 20 kW User Manual Version 1.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
  • Page 3 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 4: About This Manual

    About This Manual Scope of Validity This manual is an integral part of X3-NEO-LV 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 5: Change History

    Conventions The symbols that may be found in this manual are defined as follows. Symbol Description Indicates a hazardous situation which, if not avoided, DANGER will result in death or serious injury. Indicates a hazardous situation which, if not avoided, WARNING could result in death or serious injury.

  • Page 6: 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 7 5.2 Tools Requirement ......................27 5.3 Additionally Required Materials ..................28 Unpacking and Inspection ..............29 6.1 Unpacking ..........................29 6.2 Scope of Delivery.......................30 Mechanical Installation ................32 7.1 Dimensions for mounting ....................33 7.2 Installation procedures.....................34 Electrical Connection ................37 8.1 Overview of Electrical Connection ................37 8.1.1 Terminals of Inverter....................37 8.1.2 Cable Connections of Inverter .................38...
  • Page 8 11.3.2 Work mode for other countries ...............82 11.4 Grid Control.........................84 11.5 Battery Setting ........................84 11.5.1 Li-ion battery setting ...................85 11.5.2 Lead battery setting .....................85 11.5.3 User ..........................85 11.5.4 No Battery ......................86 11.6 Smart Load ...........................86 11.7 Parallel Setting ........................87 11.8 Setting ...........................87 11.8.1 Basic Setting......................87 11.8.2 Advanced Setting ....................89 11.9 History Errors ........................91...
  • Page 9 16.2 Application of Parallel Function ..................119 16.2.1 Introduction of Parallel Application ..............119 16.2.2 Notice for Parallel Application ................119 16.2.3 Parallel System Wiring Diagram ...............120 16.2.4 Parallel System Wiring Procedure ..............120 16.2.5 Settings for Parallel Connection ..............122 16.2.6 Parallel display .......................123 16.3 Application of Micro-grid ....................124 16.3.1 AC Couple ......................124 16.3.2 Micro-grid (On-EPS Port) ...................126...

  • 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! Potential danger of scalding due to the hot enclosure of the inverter • Avoid touching the inverter while it is running, as it becomes hot during operation and may cause personal injuries. WARNING! • When handling the battery, carefully follow all safety instructions provided in the battery manual.

  • Page 13: Product Overview

    Product Overview Product Introduction The X3-NEO-LV series is an energy storage PV grid-connected inverter. It supports various intelligent solutions such as load management, wireless metering, dual battery terminals, microgrids, etc. to achieve efficient and economical energy utilization. The X3-NEO-LV series inverter is compatible with both Lithium-ion batteries and lead-acid batteries.

  • Page 14: Supported Power Grid

    Product Overview Item Description Button pressed: ON, the system is allowed to operate; Button System switch released: OFF, the system is not allowed to operate . Including PV terminals, battery terminals, Grid terminals, GEN Wiring area terminals, EPS terminals, communication terminals, etc. Supported Power Grid There are different ways of wiring for different grid systems.
  • Page 15 Product Overview 400 V 400 V 400 V L1 L2 L3 Inverter 1.L-N: 230 V; L-L: 400 V 2.L-N: 220 V; L-L: 380 V Figure 2-4 Supported power grid-TN-C-S...

  • Page 16: 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. Additional grounding point. Beware of hot surface. Do not touch a running inverter, as the inverter becomes hot during operation! Risk of electric shock.

  • Page 17: Working Principle

    DC BUS Circuit Filter DC/AC GRID L3 PV3+ PV4+ MPPT2 GRID N PV3- PV4- L1 L2 L3 N AC SPD DC SPD BAT1+ BAT2+ Circuit DC/DC BAT1- L1 L2 L3 N BAT2- Figure 2-5 Circuit Diagram for X3-NEO-LV series inverter...

  • Page 18: Application Schemes

    Product Overview 2.5.2 Application Schemes Main Breaker/RCD Breaker Grid Breaker … Inverter N-BAR for Loads E-BAR … Breaker Breaker BAT1 Battery … N-BAR for EPS Loads BAT2 Distribution Box Figure 2-6 Partial home backup for most countries Main Breaker/RCD Breaker Grid E-BAR …...
  • Page 19 Product Overview Main Breaker/RCD Breaker Grid Inverter E-N LINK N-BAR E-BAR … … Breaker BAT1 Breaker Battery Do not connect this terminal when the neutral BAT2 wire and PE wire are connected together. Distribution Box Figure 2-8 Neutral point connected to PE in distribution box Main Breaker/RCD Breaker Grid...

  • Page 20: Working State

    Product Overview Working State The series inverter has Wait, Check, Normal, Fault, Update, EPS Check, EPS Wait, EPS, GEN Check and GEN. Table 2-3 Description of working state State Description • The inverter is waiting for the conditions to be met in order to Wait enter Checking state.

  • Page 21: Working Mode (For Pakistan)

    Product Overview Working mode (For Pakistan) There are different work modes of the inverter based on different needs. Applicable areas Work modes Pakistan SUB, SBU, MKS, Force Time Use, Manual Countries other than Pakistan Back Up, Self Use, Manual For how to set the working mode, please refer to the section "11.3 Work Mode Setting".

  • Page 22: Sbu Mode

    Product Overview 2.7.2 SBU Mode This mode is suitable for applications where electricity prices are high and PV cannot be fed into the grid. PV is prioritized for loads, and excess power is stored in the battery for later use. This mode is ideal for customers with low daytime electricity consumption and higher night time electricity consumption.

  • Page 23: Mks/Eps Mode

    Product Overview 2.7.3 MKS/EPS Mode This mode is suitable for customers who have higher electricity consumption during the day and lower consumption at night. When PV is available, this mode is basically the same as the SBU mode, the discharge capability of the battery is more extensive than SBU mode.

  • Page 24: Force Time Use Mode

    Product Overview 2.7.4 Force Time Use Mode This mode is suitable for application with peak and valley price difference . When the price of electricity is high, the battery is discharged to the load, and when the price of electricity is low, the battery is charged from the solar or the grid to fill the battery.

  • Page 25: Working Mode (For Countries Other Than Pakistan)

    Product Overview Working mode (For countries other than Pakistan) 2.8.1 Self Use Mode (Priority: Loads > Battery > Grid) The self use mode is suitable for areas with low feed-in subsidies and high electricity prices. The power of PV will supply the loads first, and the surplus power will charge the battery, then the remaining power will be fed into the power grid.

  • Page 26: Backup Mode (Priority: Loads > Battery > Grid)

    Product Overview Note: Charge battery to: The target battery SOC/Voltage charged from power grid. 10% / 47V by default, the settable range is 10%~100% / 42V~60V. Min Soc/Voltage: Minimum SOC/Voltage of the battery under grid connection. 10% / 42V by default, the settable range is 10%~100% / 40V~47V. Charge from grid: Setting whether the inverter draws power from the grid or not.

  • Page 27: Manual Mode

    Product Overview NOTICE! • You can set two configurable working periods: forced charging period and allowed discharging period. Please refer to "Period Set" for details. • If there is a foreseeable power outage, switch from other working modes to the backup mode in advance.

  • Page 28: Grid Control Function

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

  • Page 29: System Overview

    System Overview System Overview Grid SolaXCloud PV modules CLOUD On-Grid PV modules Home Load Dongle Backup Load On-grid inverter Meter X3-NEO-LV series Battery 1 Battery 2 Smart Load Adapter Box Generator (Optional) (Optional) (Optional) Cloud Figure 3-1 System diagram...
  • Page 30 System Overview Table 3-1 System item description Item Description X3-NEO-LV series The X3-NEO-LV series is an energy storage inverter that supports (the device covered grid connection of a photovoltaic system. in this manual) PV modules PV modules work in MPPT mode.

  • Page 31: 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 32: 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 IP65 ingress protection, which allows it to be installed outdoor. The installation position shall be convenient for wiring connection, operation and maintenance.
  • Page 33 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 34: 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 35 Preparation before Installation 350 mm 350 mm 600 mm 350 mm 600 mm 350 mm Multiple inverters Figure 5-5 Clearance requirement for multiple inverters...

  • Page 36: Tools Requirement

    Preparation before Installation Tools Requirement Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. Please note that the tools used must comply with local regulations. Hammer drill Multimeter (drill bit: Ø10 mm) Measuring tape Utility knife (≥...

  • Page 37: Additionally Required Materials

    Preparation before Installation Additionally Required Materials Table 5-1 Additionally required wires Conductor No. Required Material Type Cross-section Dedicated PV wire with a voltage rating of 1000 V, a temperature PV wire 4-6 mm² resistance of 105 °C, a fire resistance grade of VW-1 Communication Network cable CAT5E wire...

  • Page 38: 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 39: Scope Of Delivery

    Unpacking and Inspection Scope of Delivery Positive PV connector Negative PV connector Inverter Bracket Positive PV pin contact Negative PV pin contact Battery temperature Disassembling tool Self-tapping screw sensor for PV terminal Expansion tube M6*14 Screw M6*20 Screw OT terminal (32.8*16 mm) OT terminal (21.8*8 mm) Battery connection terminal RJ45 connector...
  • Page 40 Unpacking and Inspection Item Description Quantity Remark 1 pc Temperature sensor for lead-acid Battery temperature sensor 1 pc batteries Disassembling tool for PV 1 pc terminal Self-tapping screw 6 pcs Bracket mounting Expansion tube 6 pcs M6*14 Screw 1 pc M6*20 Screw 2 pcs 5 pcs for Grid terminal...

  • Page 41: 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 42: Dimensions For Mounting

    Mechanical Installation Dimensions for mounting Before installation, check the dimensions of the wall mounting 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) Figure 7-4 Dimensions 2 (Unit: mm)

  • Page 43: Installation Procedures

    Mechanical Installation Installation procedures Step 1: Horizontally align the wall mounting 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. Please note that take the height of the battery into account when determining the position of the wall mounting bracket.
  • Page 44 Mechanical Installation again and secure them to the wall by torque wrench. Figure 7-8 Securing the wall mounting bracket Step 5: Open the anti-static bag, take out the inverter. Lift up the inverter collaboratively by the required number of personnel in accordance with the local regulation and hang it onto the wall mounting bracket.
  • Page 45 Mechanical Installation Figure 7-11 Securing the inverter (Left side) Step 7: (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.

  • Page 46: Electrical Connection

    Electrical Connection DANGER! • Before electrical connection, make sure the PV switch, System 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 47: Cable Connections Of Inverter

    Electrical Connection Table 8-1 Description of terminals Item Name Description Decisive voltage class Additional grounding point PV switch Disconnect the PV input when necessary PV input terminal connecting to PV module. PV1 and PV3 terminals for 5kW and 8kW PV1, PV2, inverter;...
  • Page 48 Electrical Connection Table 8-2 Descriptions of connected part Item Part Description Source Select an appropriate AC switch according to the local regulations to ensure the inverter can be securely disconnected from the grid when Prepared by AC switch an emergency occurs. Refer to "5.3 user Additionally Required Materials"...

  • Page 49: Pe Connection

    Electrical Connection Item Cable Type and specifications Source Battery power cable for In the battery accessory lithium battery package. Battery power cable for Refer to "5.3 Additionally Prepared by user lead-acid battery Required Materials" Communication cable Prepared by user Refer to "5.3 Additionally Required Materials"...
  • Page 50 Electrical Connection Figure 8-4 Installing the tubing and OT terminal Step 3: Crimp it with crimping tool. Figure 8-5 Crimping the cable Step 4: Connect the assembled PE cable to the grounding point of the inverter, and secure it with M6*14 screw (Part J). (Torque: 1.5±0.1 N·m) M6*14 1.5±0.1 N·m Figure 8-6 Securing the PE cable...

  • Page 51: Battery Power Cable Connection

    The nominal voltage of DC MCB should be larger than maximum voltage of battery. • Battery configuration information » X3-NEO-LV series inverter matches with SolaX low voltage battery TP-LD53, TP-LD150. A single inverter can match with maximum 16 batteries. Without a minimum. Wiring procedures Step 1: Use a Phillips screwdriver to remove the inverter's upper cover as shown in the diagram.
  • Page 52 Electrical Connection Step 2: Use a Phillips screwdriver to remove the protective cover inside the inverter. Please store it properly after removal. Figure 8-8 Remove the protective cover Step 3: Strip the insulation of the battery power cable to an appropriate length. Figure 8-9 Stripping the battery cable Step 4: Insert the stripped cable into the battery connection terminal (part N).
  • Page 53 Electrical Connection Step 5: Loosen the swivel nut of the battery terminals then remove the screws. Figure 8-11 Threading the battery cable Step 6: Thread the cable through the swivel nut, puncture a waterproof seal, then pass through the BAT terminal. Connect the positive and negative cables to their respective positions, screw back the removed screws (Torque: 5.0±0.1 N·m).

  • Page 54: 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. The inverter supports the EPS mode. When connected to the grid, the inverter outputs go through the Grid terminal, and when disconnected from the grid, the inverter outputs go through the EPS terminal.
  • Page 55 Electrical Connection Table 8-4 EPS load information Type of load Equipment Start power Lamp Rated power Resistive load Rated power Hair dryer Rated power Refrigerator 3-5 times rated power Air conditioner 3-6 times rated power Inductive load Washing machine 3-5 times rated power Microwave oven 3-5 times rated power * Refer to the nominal start power of the equipment for the actual start power.
  • Page 56 Electrical Connection Step 2: Strip the insulation layer of L1, L2, L3, N and the grounding conductor to a length of 10±0.5 mm Figure 8-15 Strip the insulation Step 3: Pull the heat-shrink tubing over the cable and insert the stripped section into the OT terminal (part L).
  • Page 57 Electrical Connection Figure 8-18 Shrinking the tubing Step 5: Remove the swivel nut of Grid, GEN and EPS terminal. Remove the sealing ring which will be no longer used. Remove Remove GRID Remove Figure 8-19 Removing the swivel nut Step 6: Grid terminal connection. Thread the crimped cables through the swivel nut and terminal.
  • Page 58 Electrical Connection GEN_L3 GEN_L2 GEN_L1 GEN_N GEN_PE M4*8 0.9±0.1 N·m Figure 8-21 GEN terminal connection Step 8: EPS terminal connection. Thread the crimped cables through the swivel nut and terminal. Insert the conductors into the terminal block and tighten the terminal block screws (Torque: 0.9 ±...

  • Page 59: Pv Connection

    Electrical Connection PV Connection DANGER! • When exposed to the sunlight, PV modules will generate lethal high voltage. Please take precautions. • Before connecting the PV modules, make sure that both PV switch and AC breaker are disconnected, and that the PV module output is securely isolated from the ground.
  • Page 60 Electrical Connection Wiring procedures Step 1: Strip the insulation of the PV cables to an appropriate length. 4-6 mm Figure 8-23 Stripping the PV cable Step 2: Insert the stripped cable into the PV pin contact (part B, D). Make sure the PV cable and PV pin contact are of the same polarity.
  • Page 61 Electrical Connection Figure 8-26 Threading the PV cable Step 5: A "Click" will be heard if it is connected correctly. Gently pull the cable backward to ensure firm connection. Tighten the swivel nut clockwise. Verify that the PV connectors have the correct polarity before connection. Click！...
  • Page 62 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 7: Use the PV removal tool (part G) to remove the PV terminal caps and connect the assembled PV connectors to the corresponding terminals until there is an audible "Click".

  • Page 63: Communication Connection

    Communication Connection Pin Assignment of COM Terminal The COM terminal is used for DIO function via I/O terminal, battery communication or battery temperature sensor connection via BMS terminal, CT/Meter connection via CT/ METER terminal, parallel connection via PAR terminal. COM 3: NG COM 1: EPO COM 2: RS 485 COM 4: I/O...

  • Page 64: Battery Communication Connection

    Communication Connection NOTICE! • When using the Lithium battery, refer to "9.2 Battery Communication Connection" wiring procedure; when using lead-acid batteries, refer to "9.3 Battery Temperature Sensor Connection". Battery Communication Connection Connection diagram COM5 *For detailed connections on the battery side, please refer to the relevant documentation for the battery.
  • Page 65 Communication Connection Remove Figure 9-31 Disassembling the connector Step 2: Find the battery communication cable in the battery accessory package. Directly thread the cable through the swivel nut, cable support sleeve and connector enclosure in sequence. Figure 9-32 Threading the cable Step 3: Strip the insulation to an appropriate length.
  • Page 66 Communication Connection 1) White with orange stripes 2) Orange 3) White with green stripes 4) Blue 1 2 3 4 5 6 7 8 5) White with blue stripes 6) Green 7) White with brown stripes 8) Brown Figure 9-34 Crimping the communication cable Step 5: Insert the RJ45 connector into the COM 5 located inside the inverter.

  • Page 67: Optional) Battery Temperature Sensor Connection

    Communication Connection (Optional) Battery Temperature Sensor Connection NOTICE! • Battery temperature sensor connection is optional, if you connect it, you need to set it in the path: Setting>Advanced<Detect Control>NTC to enable it. Default is disabled. Connection diagram Battery temperature sensor (part F) COM5 Figure 9-37 Battery temperature sensor connection diagram Wiring procedure...
  • Page 68 Communication Connection Battery temperature sensor (part F) Figure 9-38 Threading the NTC Step 3: Insert the RJ45 connector into the COM 5 located inside the inverter. You will hear an audible "Click" . Tighten the swivel nut. Step 4: Connect the other end to the lead-acid battery, ensuring that the battery temperature is measured.

  • Page 69: Meter/Ct Connection

    Communication Connection Meter/CT Connection The inverter should work with an electric meter or current transformer (CT for short) to monitor household electricity usage. The electricity meter or CT can transmit the relevant electricity data to the inverter or platform. CAUTION! •...
  • Page 70 Communication Connection CT connection diagram N-BAR COM 6 … Load CT-T CT-S CT-R Grid The arrow on CT must point to the grid. Inverter Grid L wire Figure 9-41 CT connection diagram...
  • Page 71 Communication Connection Meter connection diagram COM 6 Breaker 2 5 8 10 1 3 4 6 7 9 Inverter Grid L wire The arrow on CT must point to the grid. Breaker Breaker Load N-BAR Grid Figure 9-42 Meter connection diagram...

  • Page 72: Ct Connection (Case 1)

    Communication Connection 9.4.2 CT connection (Case 1) Step 1: Insert the RJ45 terminal of the CT (part E) into the COM6 located inside the inverter, make sure that the connection is tight until you hear "Click", the CT side towards the grid is clamped on the L3, L2 and L1 cables of the Grid terminal. L3L2 L1 Click! Figure 9-43 Connecting the CT...

  • Page 73: Optional) Meter Connection

    Communication Connection Figure 9-45 CT connection diagram 9.4.4 (Optional) Meter connection Step 1: Loosen the COM1 terminal swivel nut, and then remove the sealing plugs from the cable support sleeve as needed. Do not remove the sealing plugs from holes if you choose not to connect the cable.

  • Page 74: I/O Communication Connection

    Communication Connection Distribution Box Figure 9-47 Meter connection diagram I/O Communication Connection The I/O terminal can be used to connect a generator. For generator, please refer to "16.1 Application of Parallel Function" for specific application. I/O pin assignment Table 9-6 I/O pin assignment Pin assignment Description 1DI-1...
  • Page 75 Communication Connection Remove Figure 9-48 Removing the swivel nut Step 2: Thread the network cable through the swivel nut, cable support sleeve and connector enclosure in sequence. Strip off the 15 mm insulation of the cable. Figure 9-49 Threading the cable Step 3: Insert the stripped section into the RJ45 terminal (part P).

  • Page 76: Parallel Connection

    Communication Connection Parallel Connection The inverter provides the parallel connection function. One inverter will be set as the master inverter to control the other slave inverters in the system. For details, please refer to "16.2 Application of Parallel Function" Parallel connection wiring procedure Step 1: Loosen the COM2 terminal swivel nut, and then remove the sealing plugs from the cable support sleeve as needed.

  • Page 77: Upper Cover Installation

    Communication Connection Upper Cover Installation Step 1: After the connection is completed, replace the upper cover as follows (Torque: 2.8±0.1 N·m). M6*L14 2.8 ± 0.1 N·m Figure 9-53 Install the upper cover Step 2: Install the screw cover (part Q) into the hole position on the upper cover. Figure 9-54 Install the upper cover...

  • Page 78: Monitoring Connection

    Communication Connection Monitoring Connection The inverter provides a DONGLE terminal, which can transmit data of the inverter to the monitoring website via WiFi+LAN dongle (Optional). The WiFi+LAN dongle is equipped with two kinds of communication modes (Wi-Fi mode or LAN mode). Users can choose based on actual needs.
  • Page 79 Communication Connection Monitoring wiring procedure Wi-Fi mode: Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 9-57 Assembling the dongle Plug the dongle to the inverter. Figure 9-58 Dongle connection procedure CAUTION! • The buckles on the inverter and dongle must be on the same side. Otherwise, the dongle may be damaged.
  • Page 80 Communication Connection LAN mode: Disassemble the waterproof connector into components 1, 2, 3 and 4; Component 1 is not used. Keep it in a safe place. Figure 9-59 Disassembling the waterproof connector Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 9-60 Assembling the dongle Plug the dongle to the inverter.

  • Page 81: 10 System Commissioning

    10 System Commissioning 10.1 Checking before Power-on Item Checking details The inverter is installed correctly and securely. Installation The battery is installed correctly and securely. Other device (if any) is installed correctly and securely. All DC, AC cables and communication cables are connected correctly and securely;...

  • Page 82: Powering On The System

    System Commissioning 10.2 Powering on the System Step 1: Turn on the PV switch and check the LCD screen. Figure 10-61 Turn on the PV switch » If the LCD screen is not on, turn off the PV switch and check whether the PV polarity is connected correctly.
  • Page 83 System Commissioning Step 5: Switch on the system switch on the LCD. Return Inverter Inv Vol: 0.2 V Inv Curr: 1.00 A Inv Power: 0.00 kW Today: 0.0 kWh Total: 0.0 kWh Step 6: Wait for the inverter to start up. Step 7: Upon the initial power up, it is required to initiate the Installation check to perform a CT check.

  • Page 84: 11 Operation On Lcd

    11 Operation on LCD 11.1 Introduction of Control Panel The default menu is shown as below. In this interface, you can tap on the four icons of PV, battery, grid and load to check the basic information of each part. LCD screen Error indicator light Operating indicator light...
  • Page 85 Operation on LCD Table 11-1 Definition of indicators LED indicator Status Definition Light on The inverter is in a normal state. The inverter is in the process of connecting to Blinking Grid or EPS. Operating The inverter is in fault or manual shutdown state.

  • Page 86: Introduction Of Menu Interface

    Operation on LCD 11.2 Introduction of Menu Interface • PV: Display the information about PV1, PV2. Information contains input voltage, current and power of each PV. Return PV 1 : 0.0V 0.0A PV 2 : 0.0V 0.0A Battery： Load： Grid： Power •...
  • Page 87 Operation on LCD » EPS Today: A record of the output electric energy of the inverter today when it is disconnected from grid. (Through EPS terminal) » EPS Total: A record of the output electric energy of the inverter total when it is disconnected from grid.

  • Page 88: Work Mode Setting

    Operation on LCD 11.3 Work Mode Setting Selecting path: >Work Mode The working mode is related to your setting in the setting country, when you select Pakistan, the working mode can be selected: SUB / SBU / MKS / Force Time Use . The working mode in other countries can be selected: Back Up / Self Use / Manual.
  • Page 89 Operation on LCD dotted line. Return MKS/EPS Force Time Use Manual Return To Utility Voltage: 42.0 V 47.0 V Return To Battery Voltage: Charge To Full • For Lithium-ion battery: » Return To Utility Soc: When the voltage is lower than the setted value, the battery stars to charge.
  • Page 90 Operation on LCD Force Time Use Please refer to "2.7.4 Force Time Use Mode" for working logic of this mode. • Charge Period: You can set the charge time according to your own needs. » Start Time: Time to start charging. Default: 00:00, range: 00:00~23:59 »...

  • Page 91: Work Mode For Other Countries

    Operation on LCD 11.3.2 Work mode for other countries Setting backup mode Please refer to "2.8.2 Backup Mode" for working logic of this mode. Min Soc/Voltage: Default: 30% / 42V; range: 30%~100% / 40V~47V • » The minimum SOC/Voltage of the battery. The battery will not discharge power when the SOC/Voltage of the battery reaches this value.
  • Page 92 Operation on LCD Return Back Up Self Use Manual Period Set Self Use Min Soc: 10 % 100 % Charge battery to: Charge from grid: Setting Manual mode Please refer to "2.7.5 Manual Mode" for working logic of this mode. •...

  • Page 93: Grid Control

    Operation on LCD NOTICE! • The charging and discharging period is only applicable for self use mode and backup mode. • In the period not set as forced charging period and allowed discharging period, the battery can charge but not discharge power. •...

  • Page 94: Li-Ion Battery Setting

    Operation on LCD 11.5.1 Li-ion battery setting Max Charge Current: Default: 160 A, range: 0-300 A • • Max DisCharge Current: Default: 160 A, range: 0-300A • Battery Parallel Mode: Set up the battery parallel mode Min Discharge Soc: If the battery SOC falls below this value, the inverter will •...

  • Page 95: No Battery

    Operation on LCD 11.5.4 No Battery No battery is connected. Return Battery Type Lead Acid Li-ion User(Lead-acid) No Battery Charge Source PV Only PV Then Utility PV And Utility 11.6 Smart Load Displaying path: >Smart Load The generator port has three options: •...

  • Page 96: Parallel Setting

    Operation on LCD Return Smart Load None Load Generator 11.7 Parallel Setting Displaying path: >Parallel Setting The inverter provides the parallel connection function. One inverter will be set as the master inverter to control the other slave inverters in the system. For details, please refer to "16.2 Application of Parallel Function"...
  • Page 97 Operation on LCD Setting Safety Code NOTICE! • The inverter cannot be connected to the grid before the safety code is correctly set. If there is any doubt about your safety code where the inverter installed, please consult your dealer or SolaX service for details. •...

  • Page 98: Advanced Setting

    Operation on LCD Phase Self Pakistan O -Grid Mute Adaption IEC61727 11.8.2 Advanced Setting Setting path: >Setting>Advance Setting. The default password is "2 0 1 4". Return Return Please Enter Password Advanced Setting Advanced Setting 2014 Reset External Grid Detect Reactive Password Protection...
  • Page 99 Operation on LCD Detect Control • Active Island: You can set whether the active island is turned on or not. • ISO: Default ON, Detect the inverter insulation impedance is normal. Signal Island: If signal island is enabled and the inverter is in EPS mode of •...

  • Page 100: History Errors

    Operation on LCD Pgrid Bias This function is disabled by default. • Disable: Disable this function • Grid: The inverter will discharge more power to the power grid. INV: The inverter will be biased to charge power from the power grid. •...

  • Page 101: 11.10 About

    Operation on LCD Info Time 24/07/16 14:51:34 DSP Lost 11.10 About Displaying path: > About Here shows the basic information of the inverter and internal code. After entering the About interface, you can check those information. 10X0F000073314...

  • Page 102: 12 Operation On Solax App And Web

    12 Operation on SolaX App and Web 12.1 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 103: Operations On Solaxcloud Web Page

    Operation on SolaX App and Web Figure 12-2 Online help on SolaXCloud NOTICE! • The screen shots in this chapter correspond to the SolaXCloud App V6.2.0, which might change with version update and should be subject to the actual situations. 12.3 Operations on SolaXCloud Web Page Open a browser and enter www.solaxcloud.com to complete registration, login, add site...

  • Page 104: 13 Troubleshooting And Maintenance

    13 Troubleshooting and Maintenance 13.1 Power OFF Release the System switch on the left side of the inverter to turn it off, or turn off the system by System ON/OFF on LCD screen. Turn off the AC switch between the inverter and the power grid. Turn OFF the PV switch.
  • Page 105 Troubleshooting and Maintenance Faults Diagnosis and solution PV voltage out of range PV Volt Fault • Check the output voltage of the PV panel. • Or ask the installer for help. • Press the ESC key to restart the inverter. •...
  • Page 106 Troubleshooting and Maintenance Faults Diagnosis and solution • Close the high-power device and press the ESC key to restart the inverter. Bat Power Low • Please charge the battery to a level higher than the protection capacity or protection voltage. Battery communication loss •...
  • Page 107 Troubleshooting and Maintenance Faults Diagnosis and solution EPS(Off-grid) earth relay fault Earth Raley Fault • Press the ESC" key to restart the inverter. • Or ask for help from the installer if it can not return to normal. Power type fault Power •...
  • Page 108 Troubleshooting and Maintenance Faults Diagnosis and solution PV overcurrent • Shut down and re-power (check the battery wiring) PV Overcurrent • Try to update the processing. • Or contact SolaX for help. NTC1 Sample Battery temperature sampling wire is not connected or disconnected Invalid •...
  • Page 109 Troubleshooting and Maintenance Faults Diagnosis and solution Main Relay Stuck Main Positive Relay Sticky Fault • Contact SolaX for help. Main Relay Open Main positive relay open circuit fault • Contact SolaX for help. Main Relay Stuck Main negative Relay Sticky Fault •...
  • Page 110 Troubleshooting and Maintenance Faults Diagnosis and solution Low temperature fault Low Temp Fault • Wait for fault recovery, restart the battery, contact SolaX for help. Current Sensor Current Sensor Failure Fault • Contact SolaX for help. Power line open circuit fault Power Line Open •...
  • Page 111 Troubleshooting and Maintenance Faults Diagnosis and solution • Check if the grid connection is normal. No readings on • Check if the grid parameter on the LCD screen displays normally. Grid (on App or • Check if the monitoring module works normally. Web) •...

  • Page 112: Maintenance

    Troubleshooting and Maintenance 13.3 Maintenance Regular maintenance is required for the inverter. Please check and maintain the following items based on the instructions below to ensure the optimal performance of the inverter. For inverters working in inferior conditions, more frequent maintenance is required. Please keep maintenance records.

  • Page 113: Replacement Of Fans

    Troubleshooting and Maintenance 13.3.2 Replacement of Fans When the fan is not rotating and the feedback speed of the fan is 0, the LCD screen will display ExFAN1Faul / ExFAN2Faul / ExFAN3Faul error. Refer to the following steps for replacement. Step 1: Loosen the screw on the inverter with cross screwdriver.

  • Page 114: Upgrading Firmware

    Troubleshooting and Maintenance 13.3.3 Upgrading Firmware WARNING! • Make sure that the type and format of the firmware file are correct. Do not modify the file name. Otherwise, the inverter may not work properly. • Do not modify the folder name and file path where the firmware files are located, as this may cause the upgrade to fail.
  • Page 115 Troubleshooting and Maintenance Upgrade... MCU Type: ARM Success CAUTION! • If the ARM firmware upgrade fails or stops, do not unplug the USB drive. Power off the inverter, restart it, and then repeat the above upgrade steps. CAUTION! If the DSP firmware upgrade fails or stops, perform operations below to troubleshoot: •...

  • Page 116: 14 Decommissioning

    14 Decommissioning 14.1 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 the PV connector. Step 1: Follow the "13.1 Power OFF" and wait for the inverter to power off.

  • Page 117: Packing The Inverter

    Decommissioning Figure 14-5 Unscrewing the M6 screws Step 11: Unscrew the screws for fastening the wall mounting bracket and remove the wall mounting bracket if needed. 14.2 Packing the Inverter • Use the original packaging materials if available. Figure 14-6 Packing the inverter •...

  • Page 118: 15 Technical Data

    15 Technical Data • PV Input X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO- X3-NEO- X3-NEO- Model 10K-LV 12K-LV 15K-LV 20K-LV Max. PV array input 10000 16000 20000 24000 30000 30000 power [Wp] Max. PV input power [W] (derating above 10000 16000 20000 24000 30000 30000 +45℃...
  • Page 119 Technical Data • AC Input/Output X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO-12K- X3-NEO-15K- X3-NEO- Model 10K-LV 20K-LV Nominal AC 5000 8000 10000 12000 15000 20000 output power [W] Max. AC output apparent power 5500 8800 11000 13200 16500 22000 [VA] Max. AC output current [A] 13.4 16.8...
  • Page 120 Technical Data • EPS Output X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO-12K- X3-NEO-15K- X3-NEO- Model 10K-LV 20K-LV Nominal output 5000 8000 10000 12000 15000 20000 power [W] Peak apparent 2 times of rated power, 10 s power [VA] Nominal AC Output 50/60 Frequency [Hz] Nominal AC Output Current 11.6...
  • Page 121 Technical Data X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO- X3-NEO- X3-NEO- Model 10K-LV 12K-LV 15K-LV 20K-LV Output Short Protection Output Over Voltage Protection Surge Protection AC Type II/DC Type II Battery Terminal Temp Protection • Environment Limit X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO- X3-NEO- X3-NEO- Model 10K-LV 12K-LV...
  • Page 122 Technical Data • Standard X3-NEO-5K- X3-NEO-8K- X3-NEO- X3-NEO- X3-NEO- X3-NEO- Model 10K-LV 12K-LV 15K-LV 20K-LV Safety IEC 62109-1 / -2 EN61000-6 / 1 / 2 / 3 / 4 Certification IEC 61727, IEC 62116, IEC 61683, IEC 60068, EN 50530 Note: ¹...

  • Page 123: 16 Appendix

    16 Appendix 16.1 Application of Generator 16.1.1 Introduction of Generator Application When utility power supply is unavailable, the system can seamlessly switch to the generator for power supply and collaborate with the energy storage system to ensure the uninterrupted use of the load. In this case, the generator functions as the power grid to supply power for the load, and the hybrid inverter converts the solar energy to electricity.
  • Page 124 Appendix Wiring connection diagram CLOUD COM6 Grid COM4 Grid Control EPS Load Generator On-Grid Home Load Figure 16-1 Dry contact wiring diagram Inverter connection for dry contact mode • Connection terminal-DO terminal COM4 Figure 16-2 Connection terminal for generator...
  • Page 125 Appendix • Connection pins Table 16-1 Connection pins for generator Assignment Description DO_1 For generator connection DO_2 • Connection steps: Please refer to "9.5 I/O Communication Connection" specific wire making and connection. Inverter settings for dry contact mode >Setting>Advance Setting>ExternalGen>Dry Contact. Select Return Disable...
  • Page 126 Appendix Max Charge Power Max Charge Power 5000W Max Charge Power 5000W 5000W Min Run Power Min Run Power 100W Min Run Power 100W 100W Reference Immediately Manual Reference Immediately Manual Reference Immediately Manual Switch On Soc Switch O Soc Switch O Soc 100% Switch O Soc...
  • Page 127 Appendix Return Return Return DO Self Test DO Self Test DO Self Test Disable Auto Immediately Disable Auto Immediately Disable Auto Immediately Day In Week Start Time 00 ： 00 Duration 10min Frequency 1week...

  • Page 128: Application Of Parallel Function

    Appendix 16.2 Application of Parallel Function 16.2.1 Introduction of Parallel Application The series inverters supports parallel operation in both Grid and EPS modes. It supports up to 10 units 16.2.2 Notice for Parallel Application • All inverters should be of the same software version. •...

  • Page 129: Parallel System Wiring Diagram

    Appendix 16.2.3 Parallel System Wiring Diagram Inverter Inverter (Master) (Slave) Grid Grid Three- Single- Single- Single- Three- phase load phase load phase load phase load phase load Figure 16-3 Parallel system wiring diagram 16.2.4 Parallel System Wiring Procedure • Power cable wiring procedure: Use five-core copper cable to connect master-slave inverter.
  • Page 130 Appendix Inverter (master) Inverter (slave 1) Inverter (slave 8) Inverter (slave 9) Figure 16-4 Power cable wiring • Communication cable wiring procedure: Use standard network cables for master-slave inverter connection. Master inverter COM8 connects to slave 1 inverter COM7. Slave 1 inverter COM8 connects to slave 2 inverter COM7. And so on . Meter connects to Meter/CT terminal of the master inverter.

  • Page 131: Settings For Parallel Connection

    Appendix 16.2.5 Settings for Parallel Connection Parallel setting Setting path: Select >Parallel Setting. How to build the parallel connection Turn on the power of the entire system; find the inverter which needs to be set as master inverter; enter the setting interface of the master inverter LCD screen; select the Parallel Setting, and select Master.

  • Page 132: 16.2.6 Parallel Display

    Appendix 16.2.6 Parallel display NOTICE! • The exact display is based on what is on the actual inverter. • The working mode in the main interface will show this inverter as Master or Slave. Master displays mode-M; Slave 1 displays mode-S1; Slave 2 displays mode-S2, and so on.

  • Page 133: Application Of Micro-Grid

    Appendix 16.3 Application of Micro-grid Micro-grid is the function that making hybrid inverter simulate the power grid to activate on-grid inverter during off-grid by connecting on-grid inverter to hybrid inverter's EPS or GEN terminal. 16.3.1 AC Couple On-grid inverter CLOUD Meter 2 (or None) Grid...
  • Page 134 Appendix Cable Connection (Meter2) To detect and monitor the power data generated from the on-grid inverter, install a meter on the on-grid inverter side. Otherwise, the relevant power data of on-grid inverter can not be monitored. Meter 2 needs to be set to enable. A detailed program for dual meters can be found in "16.4 Connection of Two Meters".

  • Page 135: Micro-Grid (On-Eps Port)

    Appendix Return Return Meter Set Sensor select: Installation check Meter2 En 16.3.2 Micro-grid (On-EPS Port) • When the grid is disconnected, this series of inverters replaces the grid, maintains the operation of the on-grid inverter, and together with the on-grid inverter, supplies power to the off-grid loads.

  • Page 136: Micro-Grid (On-Gen Port)

    Grid, EPS and GEN connection on X3-NEO-LV series inverter. Cable Connection (On-grid Inverter) Please connect the AC cable of on-grid inverter to the EPS terminal of X3-NEO-LV series inverter. Please refer to the user manual of specific on-grid inverter. 16.3.3...

  • Page 137: Connection Of Two Meters

    Grid, EPS and GEN connection on X3-NEO-LV series inverter. Cable Connection (On-grid Inverter) Please connect the AC cable of on-grid inverter to the GEN terminal of X3-NEO-LV series inverter. Please refer to the user manual of specific on-grid inverter. 16.4...
  • Page 138 Appendix Meter 1 Load L1 L2 L3 N E-BAR Meter 2 Grid L2 L3 N Other power generation device Figure 16-10 Connection diagram of two direct-connected meters...
  • Page 139 Appendix Load L2 L3 N E-bar Grid Meter 2 L2 L3 N Other power generation device Figure 16-11 Connection diagram of CT and direct-connected meter...
  • Page 140 Appendix Wiring procedures for two direct-connected meters Connect the meter and inverter. For detailed steps, see "9.4 Meter/CT Connection". Please note that the RJ45 splitter adapter should be placed in a proper waterproof enclosure. Connect to Meter/CT terminal Waterproof enclosure Meter 1 Meter 2 Figure 16-12 Connecting to RJ45 splitter adapter...
  • Page 141 Appendix How to check the power detected by Meter 1 and Meter 2 If the inverter detects meter 2, an additional PV icon will be displayed next to the PV icon on the home page, and you can view the data detected by meter 2. Wiring procedures for CT and direct-connected meter Connect the meter, CT and inverter.
  • Page 142 Appendix Setting procedures for CT and direct-connected meter How to set the parameters of CT and Meter 2 >Setting>Advance Setting>Meter/CT Setting. Select CT is set by default. Choose the supported CT type. You can check the connection status in Meter/CT Check. Set Meter2 enable.

  • Page 143: 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 144 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. 320101105501...

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