SolaX Power X1-VAST Series User Manual
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SolaX Power X1-VAST Series User Manual

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X1-VAST
5 kW / 6 kW / 8 kW / 10 kW
User Manual
Version 0.0
www.solaxpower.com
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at http://kb.solaxpower.com/

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  • Page 1 X1-VAST 5 kW / 6 kW / 8 kW / 10 kW User Manual Version 0.0 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 Scope of Validity This manual is an integral part of X1-VAST 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 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 5: 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 .....................6...
  • Page 6 Unpacking and Inspection ..............31 6.1 Unpacking ..........................31 6.2 Scope of Delivery.......................32 Mechanical Installation ................35 7.1 Dimensions for mounting ....................36 7.2 Installation procedures.....................37 Electrical Connection ................40 8.1 Overview of Electrical Connection ................41 8.1.1 Terminals of Inverter....................41 8.1.2 Cable Connections of Inverter .................42 8.2 PE Connection ........................45 8.3 AC Connection ........................48 8.4 PV Connection ........................53...
  • Page 7 10.5 System Status ........................92 10.6 Parallel Status ........................94 10.7 History Data .........................94 10.8 Setting ...........................96 10.8.1 User Setting ......................96 10.8.2 Advanced Setting ....................102 10.9 About .............................120 Operation on SolaX App and Web ............121 11.1 Introduction of SolaXCloud ....................121 11.2 Operation Guide on SolaXCloud App .................121 11.2.1 Downloading and Installing App ..............121 11.2.2 Operations on App ....................121 11.3 Operations on SolaXCloud Webpage ................121...
  • Page 8 15.3.2 Wiring connection diagram ................149 15.3.3 Communication connection with inverter ...........150 15.3.4 Setting for EV-Charger ..................151 15.4 Application of DataHub ....................152 15.4.1 Introduction of DataHub application .............152 15.4.2 Wiring connection diagram ................152 15.4.3 Communication connection with inverter ...........153 15.4.4 Settings for DataHub ...................154 15.5 Application of Micro-grid ....................155 15.5.1 Introduction of Micro-grid application ............155 15.5.2 Wiring conenction diagram ................155...

  • Page 9: 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 10: 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 11: 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 12: Product Overview

    Product Overview Product Introduction The X1-VAST series is an energy storage PV grid-connected inverter. It supports various intelligent solutions such as load management, Meter/CT, dual battery terminals, microgrid, etc. to achieve efficient and economical energy utilization. The X1-VAST series inverter can be used with different capacities of SolaX battery.
  • Page 13 Product Overview Including screen, indicators and keys. LCD panel Screen displays the information; indicators indicate the status of inverter. Keys are used to perform the parameter setting. DC switch Disconnect the DC input when necessary. Electrical Including PV terminals, battery and V2X terminals, grid terminals, EPS connection area terminals, communication terminals, etc.

  • 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: Figure 2-2 Supported power grid-TT TN-S Figure 2-3 Supported power grid-TN-S TN-C-S Figure 2-4 Supported power grid-TN-C-S...

  • 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: Working Principle

    PV3- PV4- Grid_N PV4+ EPS_L DC SPD EPS_N BAT1+ BAT1- DC AUX AC AUX BAT2- DC/DC POWER POWER BAT2+ Figure 2-5 Circuit diagram for X1-VAST series inverter NOTICE! • MPPT 4 is available for 8 kW and 10 kW inverters.

  • Page 17: Application Schemes

    Product Overview 2.5.2 Application Schemes PV 1 PV 2 PV 3 X1-VAST PV 4 Grid BAT1 BAT2 Breaker Main Breaker GRID ＋ － ＋ － … Breaker E-BAR Battery Battery … … Normal Loads Critical Loads … … N-BAR for critical loads N-BAR for normal loads Figure 2-6 Partial home backup for Europe NOTICE!
  • Page 18 Product Overview PV 1 PV 2 X1-VAST PV 3 PV 4 Grid L N PE L N PE BAT1 BAT2 Breaker Main Breaker GRID Breaker E-BAR Battery Battery … … Normal Loads Critical Loads … … N-BAR for critical loads N-BAR for normal loads Figure 2-7 Partial home backup for Australia NOTICE!

  • Page 19: Working State

    Product Overview Working State The series inverter has Waiting, Checking, Normal, Normal (R), EPS Checking, EPS, Fault, Idle and Standby state. Table 2-3 Description of working state State Description • The inverter is waiting for the conditions to be met in order to Waiting enter Checking state.

  • Page 20: Working Mode

    Product Overview Working mode Six working modes are available for you to choose in on-grid status, i.e Self use, Feed- in priority, Backup, Peak shaving, TOU and Manual. You can choose the working modes according to your lifestyle and environment. When the power supply from the electric power company is stopped due to a power outage, it automatically switches to EPS mode and connects to the distribution board for a specific load, thereby providing power to important electrical appliances.
  • Page 21 Product Overview Time period Inverter working status PV is sufficient (PV → load → battery → grid) • The power generated from PV prioritizes supplying the load. Any excess power is then directed towards charging the battery, and if there is still surplus electricity, it can be sold to the grid.

  • Page 22: Feed-In Priority (Priority: Loads > Grid > Battery)

    Product Overview 2.7.2 Feed-in Priority (Priority: Loads > Grid > Battery) The feed-in priority mode is suitable for areas with high feed-in subsidies. The power generated from PV is directed towards supplying the loads. Any excess power beyond the load requirements will be fed into the grid. Power Feed-in Priority (Assuming peak power from 7:00 to 23:00)

  • Page 23: Backup Mode (Priority: Loads > Battery > Grid)

    Product Overview range is 10%~100%. NOTICE! • You can set two configurable working periods: forced charging period and allowed discharging period. Please refer to "Charge & Discharge Period" for details. • In feed-in priority mode, considering whether the battery can be charged during the daytime.
  • Page 24 Product Overview Time period Inverter working status The working logic remains the same as for self-use mode. The difference lies in: • In self use mode, the battery goes into hibernation when PV input is not available and the battery SOC reaches Min SOC (on-grid min SOC).

  • Page 25: Peak Shaving Mode

    Product Overview 2.7.4 Peak Shaving Mode Peak shaving mode is set for leveling out peaks in electricity use. The system is intelligently controlled to ensure charging takes place during off-peak hours and discharging occurs during peak hours. Peak Shaving Mode Power (Assuming peak power from 7:00 to 9:00 and from 18:00 to 23:00) Battery powers the load...

  • Page 26: Tou Mode

    Product Overview ChargePowerLimits: The charging power from grid. 8000 W by default, the settable range is 0-8000 W. PeakLimits: The load consumption power from grid side. 0 W by default, the settable range: 0-60000 W. Reserved SOC: The lower limit of battery SOC required for later peak shaving period. 50% by default, the settable range is 10~100%.

  • Page 27: Eps Mode (Priority: Loads > Battery)

    Product Overview 2.7.6 EPS Mode (Priority: Loads > Battery) During a power failure, the system will provide uninterrupted power supply to the EPS loads using the power from PV and the battery. It is important to ensure that the EPS loads should not exceed the maximum output power of the battery.

  • Page 28: Manual Mode

    Product Overview 2.7.7 Manual Mode This working mode is only for the qualified personnel to perform debugging and maintenance. It includes Forced Discharge, Forced Charge and Stop Chg&Dischrg. The system will restore to the original working mode after six hours Manual mode is set. 2.7.8 Export Control Function Solar export control is a limit on the amount of energy your solar system can export into...

  • Page 29: System Overview

    System Overview System Overview SolaX Cloud PV modules X1-VAST Inverter Grid PV modules Dongle Normal loads Critical loads On-grid Inverter Meter EV-Charger Generator Battery 1 Battery 2 DataHub Adapter Box G2 Cloud Control Figure 3-1 System diagram NOTICE! • The system diagram is for illustration only , please be subject to the actual situation.
  • Page 30 Table 3-1 System item description Item Description X1-VAST series (the The X1-VAST series is an energy storage inverter that supports grid device covered in connection of a photovoltaic system. this manual) PV modules work in MPPT mode. The maximum number of MPPT...
  • Page 31 System Overview Item Description 220 V / 230 V and 240 V grid are supported. Grid SolaX Cloud is an intelligent, multifunctional monitoring platform that can be accessed either remotely or through a hard wired SolaX Cloud connection. With the SolaX Cloud, the operators and installers can always view key and up to date data.

  • Page 32: 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.(gross weight of X1-VAST: 35 kg) •...

  • Page 33: 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 34 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 35: 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 36 Preparation before Installation ≥ 30 cm ≥ 30 cm Multiple inverters Figure 5-5 Clearance requirement for multiple inverters...

  • Page 37: 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) ( ＞...

  • Page 38: Additionally Required Materials

    Preparation before Installation Additionally Required Materials Table 5-1 Additionally required wires Conductor Required Material Type Cross-section Dedicated PV wire with a voltage PV wire 6 mm² rating of 600 V Communication Network cable CAT5e 0.2 mm² wire Grid wire Three-core copper cable 16 mm²...

  • Page 39: 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 40: Scope Of Delivery

    Unpacking and Inspection Scope of Delivery Positioning cardboard Cable protective cover Inverter Wall-mounting bracket Positive PV connector Positive & Negative Negative PV connector M5 screw Positive PV pin contact PV dustproof buckle Negative PV pin contact Communication Negative & Positive Disassembling tool signal connector battery connector...
  • Page 41 Unpacking and Inspection Item Quantity Remark For locating the holes of the wall- mounting bracket Positioning 1 pc cardboard For estimating the installation space For fixing the inverter M5 screw 3 pcs For fixing the cable protective cover 3 pcs for 5 kW and 6 Positive PV connector 4 pcs for 8 kW and 10...
  • Page 42 Unpacking and Inspection Item Quantity Remark Communication 2 pcs For Parallel and DRM connection signal connector 16 mm² R-type 6 pcs For Grid and EPS connection terminal 4 mm² R-type 2 pcs For grounding terminal Self-tapping For wall-mounting bracket 3 pcs screw installation For wall-mounting bracket...

  • Page 43: 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 44: 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. 111.5 111.5 Ø12 Ø10 Ø10 without cable protective cover Figure 7-3 Dimensions (European version) (Unit: mm) 111.5 111.5...

  • Page 45: Installation Procedures

    Mechanical Installation Installation procedures Step 1: Horizontally align the positioning cardboard with the wall, plan the installation area of the inverter and the position of the holes of the wall-mounting bracket. The distance between the inverter terminals and the ground must be at least 60 cm, recommended distance is 140 cm.
  • Page 46 Mechanical Installation Step 3: Set the positioning cardboard and wall mounting bracket aside and drill holes with Ø10 drill bit. The depth of the holes should be 80 mm. Ø10 drill bit Depth: >80 mm Figure 7-7 Drilling holes Step 4: Take the expansion tubes (Part O) from the accessory bag, then knock them into the holes by rubber mallet.
  • Page 47 Mechanical Installation Step 6: Take out the inverter. If the inverter needs to be temporarily placed on the ground, use foam or other protective materials to protect it against potential damages. The bottom terminal should not come into contact with the ground or any other object that could cause damage to the terminal.

  • Page 48: 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 49: Overview Of Electrical Connection

    Electrical Connection Overview of Electrical Connection 8.1.1 Terminals of Inverter Figure 8-1 Terminals of Inverter Table 8-1 Description of terminals Item Description Remarks DC switch PV1, PV2 and PV3 terminals for 5 and 6 kW inverters; PV1, PV2, PV3 PV connection terminal and PV4 terminals for 8 and 10 kW inverters Battery / V2X connection terminal...

  • Page 50: Cable Connections Of Inverter

    Battery/V2X connection T-BAT-SYS-HV-S2.5/3.6; V2X Purchased terminal BAT & V2X can be connected with the from SolaX (V2X: To be series inverter. released) Parallel X1-VAST series Purchased connection Select a same model of inverter inverter from SolaX terminal...
  • Page 51 Electrical Connection Item Terminal Part Description Source Monitoring Only SolaX monitoring dongle Purchased Dongle terminal dongle, and USB supported. from SolaX for upgrading Power grid scheduling device (only Select the devices that meet Prepared connection applicable the power grid scheduling by user terminal to Australia and...
  • Page 52 Electrical Connection Item Terminal Part Description Source Select an appropriate AC switch according to the local regulations to ensure the inverter can be securely Grid/EPS disconnected from the grid Prepared connection AC switch when an emergency occurs. by user terminal Refer to "5.3 Additionally Required Materials"...

  • Page 53: 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. 4 mm Figure 8-3 Striping the PE cable Step 2: Cut the length of heat shrink tubing as shown below.
  • Page 54 Electrical Connection Step 3: Crimp it with crimping tool, pull the heat-shrink tubing over the stripped section of the R-type 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 Figure 8-6 Shrinking the tubing Step 4: Remove the PE screw on the inverter with Allen key.
  • Page 55 Electrical Connection Step 5: Connect the assembled PE cable to the grounding point of the inverter, and secure it with the original screw. (Torque: 3.0±0.1 N·m) 3.0±0.1 N·m Figure 8-8 Securing the PE cable Step 6: Connect the other end of the PE cable to the PE bar on the grid inlet wire. NOTICE! •...

  • Page 56: 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 57 Electrical Connection » For inductive loads such as refrigerators, air conditioner, washing machine, etc., ensure that their start power does not exceed the EPS peak power of the inverter. Table 8-4 EPS load information Type of load Equipment Start power Lamp Rated power Resistive load...
  • Page 58 Electrical Connection Step 2: Remove the dustproof cover of the Grid&EPS terminal. Figure 8-10 Removing the dustproof cover Step 3: Disassemble the Grid&EPS terminal waterproof cover (Part R) as shown below. There are two waterproof rings with different inner diameter. You can choose the suitable waterproof ring according to the cable diameter purchased by yourself.
  • Page 59 Electrical Connection Step 5: Cut the length of heat shrink tubing (Part W) as shown below. Pull the heat-shrink tubing over the cable. Insert the conductors L, N, and the grounding conductor into the 16 mm2 R-type terminals (Part L). Use the hydraulic crimping tool to crimp it.
  • Page 60 Electrical Connection Step 7: Fasten the metal cover on the connector enclosure into the terminal body, tighten the metal cover screw (0.5± 0.1 N·m) using a flat-head screwdriver, then lock the swivel nut. 0.5±0.1 N·m Figure 8-16 Installing the AC connector to inverter DANGER! •...

  • Page 61: 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 DC switch and AC breaker are disconnected, and that the PV module output is securely isolated from the ground.
  • Page 62 Electrical Connection Wiring procedures Step 1: Strip the insulation of the PV cables to an appropriate length. 6 mm Figure 8-17 Stripping the PV cable Step 2: Insert the stripped cable into the PV pin contact (Part C&E). Make sure the PV cable and PV pin contact are of the same polarity.
  • Page 63 Electrical Connection Step 4: Thread the PV cable through swivel nut and insert the cable into the Positive & Negative PV connector (Part B&D). Figure 8-20 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.
  • Page 64 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: Remove the PV terminal caps and connect the assembled PV connectors to the corresponding terminals until there is an audible "Click".

  • Page 65: Battery/V2X Power Cable Connection

    Electrical Connection Battery/V2X Power Cable Connection DANGER! • Before connecting the cables, make sure the breaker, power button (if any) and DC switch (if any) of battery is OFF. • Always ensure correct polarity. Never reverse the polarity of the battery cables as this will result in inverter damage.
  • Page 66 Electrical Connection Wiring procedures Step 1: Strip the insulation of the battery power cable to an appropriate length. 8 mm Figure 8-25 Stripping the battery cable Step 2: Insert the stripped cable into the battery pin contact. Make sure that the stripped cable and the battery pin contact are of the same polarity.
  • Page 67 Electrical Connection buckle buckle click! Figure 8-28 Fastening the buckle Figure 8-29 Tightening the swivel nut Step 4: Remove the battery terminal caps and connect the assembled battery connectors (Part H&I) to corresponding terminals until there is an audible "Click". Figure 8-30 Connecting the battery connector WARNING! •...

  • Page 68: Com Communication Connection

    Electrical Connection COM Communication Connection 8.6.1 Pin Assignment of COM Terminal The COM terminal is used for Meter or CT connection via METER/CT communication terminal; SolaX internal device connection via EVC/RTU485; battery communication via BMS1 and BMS2 terminal; generator and DC bidirectional EV-Charger via V2X terminal. EVC/RTU485 METER/CT 1: /...

  • Page 69: Meter/Ct Connection

    Electrical Connection 8.6.2 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 Electrical Connection Meter/CT wiring procedure Step 1: Thread the communication cable through the COM connector. (You can also crimp the RJ45 terminals first, then thread the cable through the COM connector) Figure 8-31 Threading the communication cable Step 2: Strip and crimp the communication cable. »...
  • Page 71 Electrical Connection Table 8-5 Pin number and color PIN No. Color PIN No. Color 1 2 3 4 5 6 7 8 Orange-White Blue-White Orange Green Green-White Brown-White Blue Brown » For meter connection a. Strip around 15 mm wire insulation off one end of the communication cable.

  • Page 72: Evc/Rtu485 Communication Connection

    Electrical Connection Step 3: Insert the RJ45 terminal into the CT/Meter port, and then secure the waterproof connector. An audible "Click" will be heard if it is successfully connected. Figure 8-36 Connecting cable to the Meter/CT port 8.6.3 EVC/RTU485 Communication Connection The inverter supports communication with EV-Charger, DataHub etc via EVC/RTU485 terminal.

  • Page 73: Bms Communication Connection

    Electrical Connection 8.6.4 BMS Communication Connection Through BMS1 and BMS2 communication terminal, the inverter can be connected to two independent batteries of different capacities. The model of each battery string must be the same. BMS connection diagram *For detailed connection on the battery side, please see documentation of the battery manufacturer.

  • Page 74: V2X Communication Connection

    Electrical Connection 8.6.5 V2X Communication Connection V2X terminal is designed to support generator and DC bidirectional EV-Charger connection through dry contact. For generator, please refer to "15.1 Application of Generator" for specific application. V2X pin assignment Table 8-6 V2X pin assignment Pin assignment Description DI_A...

  • Page 75: Com Communication Connection Wiring Procedure

    Electrical Connection 8.6.7 COM communication connection wiring procedure Step 1: Loosen the securing screw on COM connector, and then hold the latches on both sides of the connector to pull it out from the enclosure. Figure 8-38 Removing the connector enclosure Step 2: Loosen the swivel nut on the enclosure, and then remove the sealing plugs from the cable support sleeve as needed.
  • Page 76 Electrical Connection Step 3: Thread the network cables • Method one ： Thread the network cables with RJ45 connectors. Directly thread the cable through the swivel nut and connector enclosure in sequence. (Do not thread the cable through the cable support sleeve at this time.) Figure 8-40 Threading the cables with RJ45 terminals •...
  • Page 77 Electrical Connection Insert the stripped section into the RJ45 terminals. Crimp it tightly with a crimping tool for RJ45. Pay attention to the pin order of RJ45 terminals. Use a network cable tester to check if the cable has been correctly and properly crimped before connecting to inverter.
  • Page 78 Electrical Connection Step 5: Secure the assembled connector on COM terminal. Install the connector enclosure back into the COM terminal. Install the cable support sleeve into the enclosure. Tighten M3 screw to secure it. (Torque: 0.6 ± 0.1 N·m) Tighten the swivel nut to finish the COM wiring connection. 0.6 ±...

  • Page 79: Parallel And Drm Communication Connection

    Electrical Connection PARALLEL and DRM Communication Connection 8.7.1 Pin Assignment of PARALLEL and DRM Terminal PARALLEL terminal is used for inverter parallel, DRM terminal is used to control the inverter to response. PARALLEL Table 8-7 Pin assignment of PARALLEL and DRM terminal Pin assignment PARALLEL terminal Parallel_485A...

  • Page 80: Parallel Connection

    Electrical Connection Pin assignment GND_COM GND_COM 8.7.2 Parallel Connection The inverter provides the parallel connection function. One inverter will be set as the Master inverter to control the other Slave inverter in the system. For details, please refer to "15.6 Application of Parallel Function".
  • Page 81 Electrical Connection To enhance safety and reduce the risk of injury, you can install the shut down switch in a readily accessible location through DRM connection. In the event of an emergency, the shut down switch can be easily reached and pressed to promptly switch off the entire system, ensuring a swift response and preventing further harm.

  • Page 82: Parallel And Drm Communication Connection Wiring Procedure

    Electrical Connection 8.7.4 PARALLEL and DRM communication connection wiring procedure Step 1: Loosen the waterproof caps of the PARALLEL and DRM terminals. You can remove or keep the waterproof cap. It is recommended to keep the waterproof cap, you can reinstall it if you choose not to connect the cable. Keep the waterproof cap Remove the waterproof cap Figure 8-48 Loosening the waterproof cap...
  • Page 83 Electrical Connection • Method two ： Thread the network cables without RJ45 terminals. Thread the cables without RJ45 terminals through the swivel nut, cable support sleeve, and connector enclosure in sequence and then strip the insulation of these cables to an appropriate length. Figure 8-51 Threading the cables and stripping the insulation Insert the stripped section into the RJ45 terminals.
  • Page 84 Electrical Connection Step 4: Secure the assembled PARALLEL and DRM connector on PARALLEL and DRM terminals. Install the connector enclosure back into the PARALLEL and DRM terminals. Install the cable support sleeve into the enclosure. Tighten the swivel nut to finish the PARALLEL and DRM wiring connection. Figure 8-53 Securing the connector Figure 8-54 Connector connected...

  • Page 85: 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+LAN dongle. 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 86 Electrical Connection Monitoring wiring procedure Wi-Fi mode: Assemble the dongle (Part V). M2.5 0.8 ± 0.1 N·m Figure 8-57 Assembling the dongle Plug the dongle to the inverter. Figure 8-58 Dongle connection procedure CAUTION! • The buckles on the inverter and dongle must be on the same side. Otherwise, the dongle may be damaged.
  • Page 87 Electrical 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 8-59 Disassembling the waterproof connector Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 8-60 Assembling the dongle Plug the dongle to the inverter.

  • Page 88: Cable Protective Cover Installation (Australian Version Only)

    Electrical Connection Cable protective cover installation (Australian version only) After the mechanical installation and all electrical connections have been completed, you can install the cable protective cover. Step 1: Take the cable protective cover out of the carton, rotate the support frame to open it, then remove the buffer material.
  • Page 89 Electrical Connection Figure 8-64 Locking the protective mask Step 3: Push the cable protective cover vertically in the direction of the inverter port. Figure 8-65 Pushing in the cable protective cover Step 4: Press the Ø3.8 mm cylinder buckles on the cable protective cover into the corresponding holes on the inverter, make sure the cable protective cover hang on the inverter.
  • Page 90 Electrical Connection Figure 8-67 Left side cable protective cover installation Step 5: Take the M5 screws (Part A) from the accessory bag, then tighten the M5 screws. 2.0±0.3 N·m Figure 8-68 Left side cable protective cover installation 2.0±0.3 N·m Figure 8-69 Right side cable protective cover installation...

  • Page 91: System Commissioning

    System Commissioning 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 92 System Commissioning Step 4: Switch on the AC breaker and wait for the inverter to power on. After powering on the inverter, you can check whether Meter/CT is correctly connected. » If CT is connected, please perform the Meter/CT Check on the LCD screen to check the correct connection.

  • Page 93: 10 Operation On Lcd

    10 Operation on LCD 10.1 Introduction of Control Panel Status or error information Timely output power Power Today 0.0KWh Energy of today Battery Battery SOC Normal Battery connection status Battery indicator light Operating indicator light Error indicator light Down Enter Figure 10-1 Control Panel •...
  • Page 94 Operation on LCD One of the battery terminals is Solid display connected normally at least. Both of the battery terminals Blinking are disconnected or connected abnormally. Table 10-2 Definition of keys Definition Exit from the current interface or function ESC key Move the cursor to the upper part or increase the value Up key Move the cursor to the lower part or decrease the value...

  • Page 95: Introduction Of Menu Interface

    Operation on LCD 10.2 Introduction of Menu Interface "System ON/OFF" "Mode Select" "System Status" Menu "Parallel Status" "History Data" "Setting" "About" There are seven submenus in the menu that can be selected for relevant setting operations. • System ON/OFF: Switch on and off the inverter. •...
  • Page 96 Operation on LCD • System Status: Display the real-time value of PV, battery, etc. Including MPPT, Battery 1, Battery 2, On-grid, EPS , Meter/CT and COMM Status. MPPT Battery1 Battery2 On-grid System Status Meter/CT COMM Status Parallel Status: Display all the status data from master inverter when the inverters •...
  • Page 97 Operation on LCD Safety Code AS4777 Setting Main Breaker Limit Export Control Power Limit FRT Function Grid Parameters Power Factor On-grid Settings Pu Function BAT Settings Pgrid Bias EPS Setting DRM Function Parallel Settings OFPL_Setting Peripheral Settings UFPL_Setting Meter/CT Settings MicroGrid Charger Advance Setting...

  • Page 98: System On/Off

    Operation on LCD 10.3 System ON/OFF Setting path: Menu>System ON/OFF Select ON or OFF to switch on and off the inverter. The interface is displayed OFF by default. When you select ON, the inverter stars running and display System ON. ====System ON/OFF==== Switch >...
  • Page 99 Operation on LCD Self Use: Same working logic with "Self Use Mode", but it is not limited by the charging and discharging time slots. The priority of PV: Loads > Battery > Grid. Min Soc: Default: 10% ==TOU== ==Self-Use== Current Mode: Min Soc: Self-Use Battery off: The battery neither charges nor discharges.

  • Page 100: System Status

    Operation on LCD Discharging: If allowed by the battery, the system outputs a specified power from the grid based on the set output percentage, controlling the power at the AC port. You need to set the RatePower (%) through Web or App when choosing Discharging mode.
  • Page 101 Operation on LCD • EPS status: Information contains apparent power, voltage, current, active power and frequency of EPS terminal when it is disconnected from the grid. ====System Status==== =======EPS ======= 0.00V >EPS 0.00A Meter/CT 0.00VA ======Frequency====== Freq 0.00Hz • Meter/CT status: Information contains feed-in power detected by the connected meter or CT.

  • Page 102: Parallel Status

    Operation on LCD 10.6 Parallel Status Displaying path: Menu>Parallel Status Here you can check the parallel status, the number of all inverters and slave inverter. =====Parallel Status===== ====System Status==== >ALL >Parallel Status Slave History Data 10.7 History Data Displaying path: Menu>History Data After entering the History Data interface, the status of On-grid, EPS, Meter/CT_1, Meter/ CT_2, Error Log will be displayed on the LCD as follows: •...
  • Page 103 Operation on LCD EPS: A record of the output electric energy of the inverter totay and the total, • when it is disconnected from grid (through EPS terminal). =====History Data===== >EPS Meter/CT_1 Meter/CT_2 ========EPS======== ========EPS======== >Today >Total 0.0kWh 0.0kWh • Meter/CT_1: The total electricity fed into or taken from the grid since the inverter activated for the first time and on that day (detected by Meter/CT).

  • Page 104: Setting

    Operation on LCD • Error Log: Display the recent six error messages. Information contains date and time error happened, error code and error description. =====History Data===== =====Error Log===== Meter/CT_2 2024-06-16 09:22 >Error Log GridLostFault IE03 10.8 Setting Settings includes User Settings and Advanced Settings. 10.8.1 User Setting Setting path: Menu>Setting ("0 0 0 0 ")>User Setting...
  • Page 105 Operation on LCD Setting EPS Mute When the inverter is running in EPS Mode, you can choose whether the buzzer is turned on or not. • Select Yes, the buzzer mutes. Select NO, the buzzer will sound every 4 seconds when the battery SOC is > EPS •...
  • Page 106 Operation on LCD Setting Feed-in Priority Please refer to "2.7.2 Feed-in Priority" for working logic of this mode. • Min SOC: Default: 10%; range: 10%~100% » The minimum SOC of the battery. The battery will not discharge power when the SOC of the battery reaches this value. =====User Setting===== ====Feedin Priority==== Self Use Mode...
  • Page 107 Operation on LCD Setting Chg&Dischg Period Here you can set the Forced Chg Period and Allowed Dischg Period. If two charging and discharging periods are needed, enable the Function Control to activate the Chg&Dischg Period2. Chg&Dischg Period: You can set the charge and discharge time according to •...
  • Page 108 Operation on LCD Setting Peak shaving mode Please refer to "2.7.4 Peak Shaving Mode" for working logic of this mode. • DisChgPeriod1: To set ShavingStartTime, ShavingEndTime and PeakLimits. DisChgPeriod1 can be regarded as Peak shaving period. This period should be set to cover load peaks.
  • Page 109 Operation on LCD » MAX_SOC: Default: 50%; range: 10%-100% Inverter will take grid energy to charge battery until battery SOC reaches this value. ==Peak shaving mode== ===ChargeFromGrid=== >ChargeFromGrid ChargeFromGrid Reserved_SOC > Enable < ===ChargeFromGrid=== ===ChargeFromGrid=== ChargePowerLimits >MAX_SOC 8000W • Reserved_SOC: Default: 50%; range: 10%-100% »...

  • Page 110: 10.8.2 Advanced Setting

    Operation on LCD 10.8.2 Advanced Setting Setting path: Menu>Setting>Advance Setting NOTICE! • All the adjustable parameters including safety code, grid parameter, export control, etc. can be modified under the permissions of installer password. Unauthorized use of the installer password by unauthorized persons can lead to incorrect parameters being inputted, resulting in power generation loss or violation of local regulation.
  • Page 111 Operation on LCD Set the Soft Limit value and Hard Limit value for Export Control and General Control. The figure below will take the setup of Export Control as an example. Soft/Hard Limit Value: Default: 4999W; range: 0-15000W ====Export Control==== ====Export Control==== >Soft Limit >Hard Limit...
  • Page 112 Operation on LCD NOTICE! • Under Safety Code AS4777.2, Export Control is in the path of Advance Setting > AS4777 Setting. You can set the Soft Limit and Hard Limit of Export Control to control the power output to grid. Please refer to section "AS4777 Setting"...
  • Page 113 Operation on LCD Setting Grid parameters Setting path: Menu>Setting>Advance Setting>On-grid Settings The default value is the specified value under the current safety regulations. The contents will be displayed according to the requirements of local laws and regulations. Please refer to the actual contents displayed on the LCD screen on the inverter. ====Grid Parameters==== >Overvoltage_L1 Undervoltage_L1...
  • Page 114 Operation on LCD P1 PF P2 PF P3 PF P4 PF Power 1 Curve Power 2 Power 3 Power 4 PflockInPoint PflockOutPoint 3Tua SetQuPower1 SetQuPower2 SetQuPower3 SetQuPower4 QuRespondV1 QuRespondV2 Q(u) QuRespondV3 QuRespondV4 3Tua QuDelayTimer QuLockEn Fixed Q Power Q Power Reactive power control, reactive power standard curve cos φ...
  • Page 115 Operation on LCD cos φ Leading 0.9/0.95 *) P/PEmax 0.9/0.95 *) Lagging Figure 10-2 Curve A *) If the grid-connected power of the inverter ≤ 4.6 kW, the Power Factor is 0.95 at 1.0 power; if the grid-connected power of the inverter > 4.6 kW, the Power Factor is 0.90 at 1.0 power.
  • Page 116 Operation on LCD cos φ Leading P/PEmax Lagging Figure 10-4 Curve C • Reactive power control, reactive power standard curve Q= f(V) Qmax V1=1.10Vn V2=1.08Vn=QuVlowRate V3=0.90Vn V4=0.92Vn=QuVlowRate -Qmax Figure 10-5 Curve Q= f(V) Figure 10-6 Setting Pu Function Setting path: Menu>Setting>Advance Setting>On-grid Settings (Applicable to specific countries, please refer to local grid requirements.) The Pu function is a volt-watt response mode required by certain national standards such as AS/NZS 4777.2.
  • Page 117 Operation on LCD For AS/NZS 4777.2, the curve required for the volt-watt mode can be referred to the below curve. INVERTER VOLTAGE, V Figure 10-7 Curve for P(u) Setting Pgrid Bias Setting path: Menu>Setting>Advance Setting>On-grid Settings This function is disabled by default. When the inverter has no power output: Check the Meter/CT value in Menu>System Status>Meter/CT when the function is disabled.
  • Page 118 Operation on LCD OFPL_Setting Setting path: Menu>Setting>Advance Setting>On-grid Settings When the output frequency of an inverter exceeds the specified maximum value, the inverter will automatically lower the output frequency, to avoid damages to the device and occurrence of accidents. OFPL (Over Frequency Power Limit) is lowering the output frequency of an inverter, to control the ouput power.
  • Page 119 Operation on LCD Setting Charger Setting path: Menu>Setting>Advance Setting>Battery Settings The inverter is compatible with lithium-ion battery. You can set the charge & discharge parameters of battery. If one string battery is connected to only one battery port, the LCD will display single battery control.
  • Page 120 Operation on LCD Setting Battery Heating Setting path: Menu>Setting>Advance Setting>Battery Settings This function is disabled by default and is only valid when the battery has the heating function. You can enable Battery Heating function to make the battery heated. And set the heating period.
  • Page 121 Operation on LCD EPS Setting Setting path: Menu>Setting>Advance Setting Select and enter EPS Setting interface and set Frequency, Min SOC , Min ESC SOC, Super- Backup and UPS Switch in EPS mode. Frequency: Default: 50 Hz. Output frequency of EPS •...
  • Page 122 Operation on LCD Parallel Setting If a parallel operation is required, you can set it with Parallel Setting. Status shows whether the inverter is in parallel status. Free means the inverter is not in parallel. Master means the inverter has been set in parallel and has become the master inverter.
  • Page 123 Operation on LCD » Setting Charg Period and Allowed Disc Period Charg Period Start/End Time: Default: 00:00; range: 00:00~23:59 Allowed Disc Period Start Time: Default: 00:00; range: 00:00~23:59 Allowed Disc Period End Time: Default: 23:59; range: 00:00~23:59 Chrg&DischrgPeriod2 has the same setting logic as Forced Charg Period and Allowed Disc Period.
  • Page 124 Operation on LCD After entering into the Dry Control interface, you can set MAX Charge, Start Gen Method, Max Run Time, Min Rest Time, Allow Work Time, Charge and Discharge Period (Refer to Setting ATS Control "Setting Forced Charg Period and Allowed Disc Period"...
  • Page 125 Operation on LCD » Setting Allow Work Time Start Time: Default: 00:00; range: 00:00~23:59 Stop Time: Default: 23:59; range: 00:00~23:59 =====ExternalGen===== =====ExternalGen===== Allow Work Allow Work > start time > stop time 00:00 23:59 » Setting Gen Min Power:Default: 500W; range: 0~60000W ====ExternalGen==== Gen Min Power 500W...
  • Page 126 Operation on LCD Setting MicroGrid Setting path: Menu>Setting>Advance Setting Here you can Enable the function of MicroGrid. Default: Disable =====MicroGrid===== Micro Grid >Disable< Setting Global MPPT You can set the shadow tracking speed with four options, which are Off, Low, Middle, and High.
  • Page 127 Operation on LCD Setting ShutDown ShutDown is an Enable Switch, it determins whether to allow the external switch to turn on and off the inverter. If you want to use the external switch, you can Enable this function. Default: Disable =====ShutDown===== ShutDown: >Disable<...

  • Page 128: About

    Operation on LCD • Reset Wifi =======Reset======= ======Reset Wifi====== Reset Meter/CT Reset INV Energy >Reset >Reset Wifi > Yes < • Factory Reset =======Reset======= =====Factory Reset===== Reset INV Energy Reset Wifi >Reset >Factory Reset > Yes < Advanced Password You can reset the advanced password here. 10.9 About Displaying path: Menu >...

  • Page 129: 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 130: Operations On App

    Operation on SolaX App and Web 11.2.2 Operations on App For instructions on related operations, see the Documents on the SolaXCloud App. Figure 11-1 App guide on SolaXCloud NOTICE! • The App pages above are from the SolaXCloud App V6.0.0., which might change with version update and should be subject to the actual situations.

  • Page 131: 12 Troubleshooting And Maintenance

    12 Troubleshooting and Maintenance 12.1 Power off Turn off the system by System ON/OFF on LCD screen. Turn off the AC switch between the inverter and the power grid. Set the DC switch to OFF. Switch off the battery or the breaker, button, DC switch of the battery (see documentation of the battery manufacturer).
  • Page 132 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 03 Grid Volt Fault Power grid overvoltage or undervoltage • Wait a moment, if the utility returns to normal, the system will reconnect. • Please check if the grid voltage is within normal range.
  • Page 133 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 13 Isolation Fault Insulation fault • Please check the wire insulation for damage. • Wait for a while to check if it's back to normal. • Contact SolaX for help. IE 14 Temp Over Fault Temperature out of range...
  • Page 134 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 23 OtherDeviceFault Other device fault • Contact SolaX for help. IE 24 Missed CT Fault CT fault • Check if the CT is connected correctly. • Contact SolaX for help. IE 25 InterCommsFault Internal communication fault...
  • Page 135 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 35 Parallel Fault • Check the connection of communication and PE cables, and check the settings for matching resistance. • Contact SolaX for help. IE 36 HardLimitFault Australia power overrun fault •...
  • Page 136 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 111 ARMParaComFIt ARM parameter communication fault • Check that the communication cables of inverters are well connected and the baud rate of COMM setting of inverters are the same. • Contact SolaX for help if it can not return to normal.
  • Page 137 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions BE 13 BMS1_VolSen Battery voltage sensor fault • Contact SolaX for help. BMS2_VolSen BE 14 BMS1_TempSen Temperature sensor fault • Restart the battery. BMS2_TempSen • Contact SolaX for help. BE 15 BMS1_CurSen Battery current sensor fault •...
  • Page 138 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions BMS1 Tempdiff Battery temperature sensor malfunction BE 26 • Contact SolaX for help. BMS2 Tempdiff BMS1_BreakFault Battery broken-line fault BE 27 • Contact SolaX for help. BMS2_BreakFault BMS1_FlashFault Battery flash fault BE 28 •...
  • Page 139 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions • Check if the load is connected correctly. • Check if the power of load on the LCD screen No readings on displays normally. Load (on App or • Check if the monitoring module works normally. Web) •...

  • Page 140: Maintenance

    Troubleshooting and Maintenance 12.3 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 141: Upgrading Firmware

    Troubleshooting and Maintenance 12.3.2 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 142 Troubleshooting and Maintenance ===Upgrade Selection=== ====Upgrade (ARM)==== >ARM Cancel >OK Select and confirm the firmware version, and then tap the Enter key to start updating. ARM update takes about 20 seconds, and DSP update takes about 2 minutes. ====Upgrade (ARM)==== ====Upgrade (ARM)==== >XXX.XXXXX.X1_VAST_ ARM_VXXX.XX_XXXX.bin...

  • Page 143: 13 Decommissioning

    13 Decommissioning 13.1 Disassembling the Inverter WARNING! • Strictly follow the steps below to disassemble the inverter. • Only use the dedicated disassembling tool for PV terminal delivered with the inverter to disassemble the PV connector. Step 1: Turn off the system by System ON/OFF to OFF state on LCD screen. Step 2: Disconnect the external AC breaker of the inverter.
  • Page 144 Decommissioning Step 6: (Optional) Disassembling the dustproof buckles: use disassembling tool for PV terminal to disassemble the dustproof buckles as shown below. Figure 13-4 Disassembling the dustproof buckles Step 7: Slightly pull out the dongle module. Step 8: Disconnect the battery connectors: Insert the flat-head screwdriver into the notch of connectors and slightly pull the connectors.
  • Page 145 Decommissioning Step 10: Disconnect the COM connector: Loosen the swivel nut of the COM connector and loosen M3 screw of the communication connector by Phillips head screwdriver. Pinch the tabs on the sides of the connector and pull the connector at the same time to remove it.

  • Page 146: Packing The Inverter

    Decommissioning 13.2 Packing the Inverter • Use the original packaging materials if available. Figure 13-9 Packing the inverter (Australian version with cable protective cover) Figure 13-10 Packing the inverter (Australian version without cable protective cover) • If the original packing material is not available, use the packing material which meets the following requirements: »...

  • Page 147: 14 Technical Data

    14 Technical Data • PV Input Model X1-VAST-5K X1-VAST-6K X1-VAST-8K X1-VAST-10K Max. recommended PV power¹ [W] 10000 12000 16000 20000 Max PV voltage [d.c. V] Nominal DC operating voltage [d.c. V] MPPT voltage range [d.c. V] 40-560 MPPT full power voltage range [d.c. V] 90-560 105-560 105-500...
  • Page 148 Technical Data • Battery Model X1-VAST-5K X1-VAST-6K X1-VAST-8K X1-VAST-10K Battery type Lithium-ion battery Battery voltage range [d.c. V] 80-480 Max. continuous charge/ discharge 25 /25 for 2 strings current [d.c. A] * 30 for 1 string Communication interface CAN/RS485 Reverse connection protection If two string batteries are connected to the two battery ports separately, the maximum charge / discharge of each battery is 25A;...
  • Page 149 Technical Data • General Data Model X1-VAST-5K X1-VAST-6K X1-VAST-8K X1-VAST-10K Dimensions (W/H/D) [mm] 577*372*101 Dimensions of packing (W/H/D) [mm] 590*400*180 Net weight [kg] Gross weight * [kg] Heat dissipation treatment Natural cooling Noise emission (typical) [dB] < 35 Storage temperature range [℃ ] -40 to +65 Operating ambient temperature -35 to +60 (derating at 45)

  • Page 150: 15 Appendix

    15 Appendix 15.1 Application of Generator 15.1.1 Introduction of generator application When utility power supply is unavailable, the system can seamlessly switch to the generator for power supply and continue the collaboration with the energy storage system to ensure the uninterrupted operation of the load. In this case, the generator functions as the utility grid to supply power for the load, and the hybrid inverter converts the solar energy to electricity.
  • Page 151 Appendix Wiring connection diagram Cloud Inverter Meter Grid Critical loads Common loads Generator Figure 15-1 ATS control wiring diagram Inverter settings for ATS control mode Select Main>Setting>Advance Setting>ExternalGen>ATS Control. =====ExternalGen===== >Function Control ATS Control Set the relative parameters as below in accordance with actual needs. »...

  • Page 152: Dry Contact Mode

    Appendix =====ExternalGen===== =====ExternalGen===== >Forced Charg Period >Allowed Disc Period Start Time Start Time 00:00 00:00 =====ExternalGen===== =====ExternalGen===== >Forced Charg Period >Allowed Disc Period End Time End Time 00:00 00:00 » Charge from Gen and Charge battery to: The SOC which allows the system charging from generator.
  • Page 153 Appendix Inverter connection for dry contact mode • Connection terminal-V2X terminal Figure 15-3 Connection terminal for generator • Connection pins-Pin 7 and Pin 8 Table 15-1 Connection pins for generator Application Generator V2X_ V2X_ Assignment DI_A DI_B DO2_A DO2_B DO_A DO_B CANH CANL...
  • Page 154 Appendix » Switch on/off SOC: the option is activated when you select Reference SOC for Start Gen Method. The inverter will turn on the generator when the battery reaches the set Switch on SOC and turn it off when the battery reaches the set Switch off SOC.

  • Page 155: Application Of Adapter Box G2

    Appendix 15.2 Application of Adapter Box G2 15.2.1 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 156: Communication Connection With Inverter

    Appendix 15.2.3 Communication connection with inverter • Connection terminal-HEATPUMP terminal HEATPUMP Figure 15-5 Connection terminal for Adapter Box G2 • Connection pins Table 15-2 Pin-to-pin connection for inverter and Adapter Box G2 HEATPUMP terminal of inverter RS485_INV terminal of Adapter Box G2 Pin assignment Pin assignment 485A...

  • Page 157: Settings For Adapter Box G2

    Appendix 15.2.4 Settings for Adapter Box G2 Select Main>Setting>Advance Setting>Internal485; Select the AdapBox G2 and set the Baud Rate and corresponding Address. The default Baud Rate is 19200. =====Internal485===== =====Internal485===== =====Internal485===== >Function Control >Baud Rate >AdapBoxG2 Addr: AdapBoxG2 19200 NOTICE! •...

  • Page 158: Application Of Ev-Charger

    Appendix 15.3 Application of EV-Charger 15.3.1 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 159: Communication Connection With Inverter

    Appendix 15.3.3 Communication connection with inverter • Connection terminal-EVC/RTU485 terminal EVC/RTU485 Figure 15-8 Connection terminal for EV-Charger • Connection pins Table 15-3 Pin-to-pin connection for inverter and EV-Charger EVC/RTU485 terminal of inverter COM terminal of EV-Charger Pin assignment Pin assignment 485A 485B •...

  • Page 160: Setting For Ev-Charger

    Appendix 15.3.4 Setting for EV-Charger Select Main>Setting>Advance Setting>Internal485; Select the EV Charger and set the Baud Rate and corresponding Address. The default Baud Rate is 19200. =====Internal485===== =====Internal485===== =====Internal485===== >Function Control >Baud Rate >EV Charger Addr: EV Charger 19200 NOTICE! •...

  • Page 161: Application Of Datahub

    Besides, it can work with SolaXCloud to monitor all inverters, allowing for real-time data display and device management. In the entire system, a maximum of 60 X1-VAST series inverters can be connected to the DataHub.

  • Page 162: Communication Connection With Inverter

    Appendix 15.4.3 Communication connection with inverter • Connection terminal-EVC/RTU485 terminal EVC/RTU485 Figure 15-11 Connectiong terminal for DataHub • Connection pins Table 15-4 Pin-to-pin connection for inverter and DataHub EVC/RTU485 terminal of inverter RS485-1 terminal of DataHub Pin assignment Pin assignment 485A 485B •...

  • Page 163: Settings For Datahub

    Appendix 15.4.4 Settings for DataHub Select Main>Setting>Advance Setting>Internal485; Select the DataHub and set the Baud Rate and corresponding Address. =====Internal485===== =====Internal485===== =====Internal485===== >Function Control >Baud Rate >Datahub Addr: Datahub 19200 NOTICE! • The baud rate, communication protocol and verification method of the inverters connected to the same terminal of DataHub must be consistent, and the communication addresses of the inverters must be consecutive and not repeated.

  • Page 164: Application Of Micro-Grid

    Appendix 15.5 Application of Micro-grid 15.5.1 Introduction of Micro-grid application Micro-grid is the function that making hybrid inverter simulate the grid to active on-grid inverter during off-grid by connecting on-grid inverter to hybrid inverter's EPS terminal. 15.5.2 Wiring conenction diagram On-grid inverter Cloud Meter...

  • Page 165: Working Modes

    Grid and EPS connection on X1-VAST series inverter. 15.5.5 Cable connection (On-grid inverter) Please connect the AC cable of on-grid inverter to the EPS terminal of X1-VAST series inverter. Please refer to the user manual of specific on-grid inverter.

  • Page 166: Cable Connection (Meter)

    Appendix 15.5.6 Cable connection (Meter) 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. Inverter On-grid inverter Figure 15-14 Connection diagram of Meter on EPS terminal •...

  • Page 167: Application Of Parallel Function

    Appendix 15.6 Application of Parallel Function 15.6.1 Introduction of parallel application The series inverters supports parallel operation in both Grid and EPS modes. It supports up to 2 units in the parallel system. 15.6.2 Notice for parallel application • All inverters should be of the same software version. •...

  • Page 168: System Wiring Diagram

    Appendix 15.6.3 System wiring diagram (Slave) Figure 15-15 System wiring diagram...

  • Page 169: System Wiring Procedure

    Appendix 15.6.4 System wiring procedure Power cable wiring-Grid and EPS terminal Grid termial of Master and Slave inverter: L connects to L and N connects to N, EPS termial of Master and Slave inverter: L connects to L and N connects to N, PE cable connects to the E-BAR nearby.
  • Page 170 Appendix Meter Communication cable wiring-COM terminal and COM terminal Use standard network cables for Master-Slave inverter connection. Master inverter Parallel connects to Slave inverter Parallel. Meter/CT connects to Meter/CT terminal of the Master inverter. Please refer to "COM communication connection wiring procedure" Inverter (Slave) Inverter (Master) Meter/CT...

  • Page 171: Settings For Parallel Connection

    Appendix 15.6.5 Settings for parallel connection Parallel setting Setting path: Main>Setting>Advance Setting>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 and connect the meter to Master inverter, enter the setting page of the Master inverter LCD screen, select the Parallel Setting, and select Master;...
  • Page 172 Appendix Parallel display Displaying path: Main>Parallel Status NOTICE! • Once inverter enters parallel system, the Today yield will be replaced by Parallel. In Parallel Status interface, the whole system power and individual slave inverter power can be obtained in Parallel Status interface of master inverter. The number displayed in the Parallel Status interface refers to the total number of online inverters, for example two inverters in parallel in the below figure.

  • Page 173: Application Of Meter/Ct

    Appendix 15.7 Application of Meter/CT 15.7.1 CT/Meter Connection Scenarios X1-VAST inverter series can be connected to a CT, a direct-connected meter, or a CT- connected meter. It also supports a Meter 2 function for you to monitor another power generation equipment at home. Followings are the detailed wiring and setting procedures of these scenarios.
  • Page 174 Appendix INV/Load Grid Grid Load Figure 15-1 System wiring with CT * The arrow on the CT must point at the public grid. *The emergency load is connected to the EPS terminal of the inverter, which is not shown in the diagram.
  • Page 175 Appendix Wiring Procedure Step 1: Clip the CT to the L cable of the grid. Make sure the arrow on the CT is pointing to the grid side from the inverter. L wire Inverter Grid Figure 15-2 Clipping CT to grid cables Step 2: Use the RJ45 coupler to connect the extension communication cable and the Waterproof distribution box...

  • Page 176: Connection Of Direct-Connected Meter

    Appendix 15.7.3 Connection of Direct-connected Meter NOTICE! • SolaX DDSU666 is used for example. Load Grid Figure 15-3 System wiring with SolaX DDSU666 *Terminal 1 and 2 of the meter must be connected to the grid side, and termimnal 3 and 4 be connected to the inverter side of the system.
  • Page 177 Appendix Meter Terminal Definition Table 15-1 Terminal defintion of DDSU666 Terminal No. Definition Description Voltage input and output terminal, connected to the L 1, 3 wire Phase N voltage input and output terminal, connected 2, 4 to the N wire RS485A RS485 terminal A RS485B...
  • Page 178 Appendix Step 3: Connect the conductors to terminal 24 and 25 of the meter. Waterproof distribution box Figure 15-7 Connecting inverter to DDSU666 Setting Procedure After connecting meter to the inverter, you need to enable it on the inverter before it can be used.

  • Page 179: Connection Of Ct-Connected Meter

    Appendix 15.7.4 Connection of CT-connected Meter NOTICE! • SolaX DDSU666-CT is used for example. • The CT referred to in this section is the CT delivered with DDSU666-CT. Inverter Grid Grid Main breaker Load Figure 15-9 System wiring with SolaX DDSU666-CT *The arrow on the CT must point at the inverter side.
  • Page 180 Appendix Meter Terminal Definition Table 15-2 Terminal defintion of SolaX DDSU666-CT Terminal No. Definition Description Voltage input terminal, connected to the L wire Phase N voltage input terminal, connected to the N wire Current input terminal, connected to S1 wire of CT Current output terminal, connected to S2 wire of CT RS485A RS485 terminal A...
  • Page 181 Appendix Step 4: Strip 15 mm wire insulation off the other end of the communication cable. Figure 15-11 Stripping communication cable for meter Step 5: Connect the conductors to terminal 24 and 25 of the meter. Waterproof distribution box Figure 15-12 Connecting inverter to meter Setting Procedure After connecting meter to the inverter, you need to enable it on the inverter before it can be used.

  • Page 182: Connection Of Two Meters

    Appendix 15.7.5 Connection of Two Meters If you have another power generation equipment (such as an inverter) at home and wants to monitor both equipment, our inverter provides a Meter 2 Communication function to monitor the other power generation equipment. NOTICE! •...
  • Page 183 Appendix RJ45 splitter adapter Meter 1 Load Grid Other power generation equipment Meter 2 Figure 15-15 Connecting to double direct-connected meters Wiring Procedure Step 1: Follow the above steps to connect the meter, CT and inverter. Step 2: Connect the RJ45 terminals to the RJ45 splitter adapter.
  • Page 184 Appendix Setting Procedure After connecting the CT and meter to the inverter, you need to set parameters on the inverter LCD before the they can work normally for the system. Step 1: Select Advance Settings > Meter/CT Setting. Step 2: Set the Meter/CT: »...
  • Page 185 Appendix Related Operation Setting Meter/CT Check • Installation Check: It is for checking whether the meter/CT has been correctly connected. It is vital to the normal function of the whole system. Therefore, we recommend performing installation check after connecting the meter/CT. Select Meter/CT Setting >...
  • Page 186 Contact Information UNITED KINGDOM AUSTRALIA 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 187 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. 320101109200...

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