Solax X1-Lite-LV Series User Manual

8 kw / 10 kw / 12 kw

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REV.

Description

REV.

首次发行

种梦雪

2024/04/26

1. 红色系统开关指示灯描述时写指示灯亮起，

不加颜色

2. 更新 UI 界面

种梦雪

2024/06/07

1. 更新机器裸机与整机重量

2. 删除巴西认证 INMETRO；修改 Safety

3. 逆变器拓扑改为 Non-isolated

4. 删除质保年限

5. 技术参数修改：Peak apparent power

；Switching time ；Cooling concept；

Humidity

种梦雪

2024/07/10

1. 修改 CT 连接

2. 修改故障列表

3. 增加并机内容

种梦雪

2024/11/22

增加内置 RCMU 说明、修改安装环境图示等安

规优化项

删除 RCM 标识解释

修改工作模式描述

修改指示灯说明，增加自定义安规说明、偏取

电说明、修改锂电设置项、更新部分设置等

增加发电机内容

更新故障列表部分内容

其他细节修改

曾翠兰

2024/12/09-2025/01/13

增加锂电做铅酸使用的免责声明

种梦雪

2025/03/06

描述

说明书 X1-Lite-LV 系列英文版 SolaX 02 版

浙江艾罗网络能源技术股份有限公司

料号

SolaX Power Network Technology

320101105802

(Zhejiang) Co., Ltd.

单位

页次

Description

技术要求：

1. 封面封底 157g 铜版纸覆哑膜彩打，内部纸 80g 双胶纸黑白印刷，正反打印；

2. 装订方式：胶装或骑马钉，内页大于 60 页时须胶装；

3. 未注尺寸公差按 ±3 mm；

4. 图面、字体印刷清晰、无偏移、无毛边、不起边、油墨不脱落；

5. 黑色字体颜色为 PANTONE BLACK C, 无边框，底色为白色；

6. 符合 ROHS 要求。

143 mm

X1-Lite-LV

8 kW / 10 kW / 12 kW

User Manual

Version 2.0

www.solaxpower.com

eManual in the QR code or

at http://kb.solaxpower.com/

描述

说明书 X1-Lite-LV 系列英文版 SolaX 02 版

材料

双胶纸

料号

320101105802

单位

页次

设计

种梦雪曾翠兰 2025/01/13

审核

侯坚

2025/01/13

核准

施鑫淼 2025/01/13

浙江艾罗网络能源技术股份有限公司

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Summary of Contents for Solax X1-Lite-LV Series

Page 1 2. 装订方式：胶装或骑马钉，内页大于 60 页时须胶装； 3. 未注尺寸公差按 ±3 mm； 4. 图面、字体印刷清晰、无偏移、无毛边、不起边、油墨不脱落；设计种梦雪曾翠兰 2025/01/13 5. 黑色字体颜色为 PANTONE BLACK C, 无边框，底色为白色；描述说明书 X1-Lite-LV 系列英文版 SolaX 02 版 6. 符合 ROHS 要求。审核侯坚 2025/01/13 描述说明书 X1-Lite-LV 系列英文版 SolaX 02 版...
Page 3 X1-Lite-LV 8 kW / 10 kW / 12 kW User Manual Version 2.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
Page 5 Unless otherwise specified in the contract, the contents, information, and recommendations presented in this document are provided "as is" by SolaX. We do not provide any warranties, guarantees, or representations, whether express or implied.
Page 6: About This Manual
About This Manual Scope of Validity This manual is an integral part of X1-Lite-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 7: 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 8: Table Of Contents
Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Safety Instructions of PV, Inverter, Grid and Battery ..........2 1.2.1 Safety Instructions of PV ..................2 1.2.2 Safety Instructions of Inverter ................3 1.2.3 Safety Instructions of Utility Grid ..............4 1.2.4 Safety Instructions of Battery ................4 Product Overview ..................5 2.1 Product Introduction ......................5 2.2 Appearance .........................5...
Page 9 Unpacking and Inspection ..............28 6.1 Unpacking ..........................28 6.2 Scope of Delivery.......................29 Mechanical Installation ................31 7.1 Dimensions for mounting ....................32 7.2 Installation procedures.....................33 Electrical Connection ................36 8.1 Terminals of Inverter ......................37 8.2 PE Connection ........................38 8.3 EPS, GEN and GRID Connection ..................40 8.4 PV Connection ........................47 8.5 Battery Power Cable Connection .................51 8.6 COM Communication Connection ................57...
Page 10 10.10 Parallel Setting .........................98 Operation on SolaX App and Web ............99 11.1 Introduction of SolaXCloud ....................99 11.2 Operation Guide on SolaXCloud App .................99 11.2.1 Downloading and Installing App ..............99 11.2.2 Operations on App ....................99 11.3 Operations on SolaXCloud Webpage ................99 Troubleshooting and Maintenance ............100...
Page 11: Safety
The safety instructions in this document serve as supplementary guidelines to local laws and regulations. SolaX shall not be liable for any consequences resulting from the violation of the storage, transportation, installation, and operation regulations outlined in this document. Such consequences include, but are not limited to: •...
Page 12: Safety Instructions Of Pv, Inverter, Grid And Battery
Safety Safety Instructions of PV, Inverter, Grid and Battery Save these important safety instructions. Failure to follow these safety instructions may result in damage to the inverter and injury or even loss of life. 1.2.1 Safety Instructions of PV DANGER! Potential risk of lethal electric shock associated with the photovoltaic (PV) system •...
Page 13: Safety Instructions Of Inverter
Safety 1.2.2 Safety Instructions of Inverter DANGER! Potential risk of lethal electric shock associated with the inverter • Only operate the inverter if it is in a technically faultless condition. Operating a faulty inverter may lead to electric shock or fire. •...
Page 14: Safety Instructions Of Utility Grid
1.2.4 Safety Instructions of Battery WARNING! • SolaX assumes no responsibility for any problems arising from the use of third-party lithium batteries connected as lead-acid batteries. • Prohibit the use of SolaX lithium battery in Lead-acid mode. Any consequences arising from the use of lead-acid mode shall be borne by users themselves, and...
Page 15: Product Overview
Product Overview Product Introduction The X1-Lite-LV series inverter is an energy storage PV grid-connected inverter. It supports various intelligent solutions to achieve efficient and economical energy utilization. Appearance Nameplate LCD panel DC switch Electrical connection area Figure 2-1 Appearance Table 2-1 Description of appearance...
Page 16: 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 17: 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 18: Working Principle
EPS_N Filter PV3- Filter PV4- PV5+ PV MPPT3 Grid_L PV6+ DC/DC PV5- Grid_N PV6- DC SPD AC SPD BAT+ DC/DC Filter BAT- Figure 2-5 Circuit Diagram for X1-Lite-LV series inverter NOTICE! • MPPT 3 is available for 12 kW inverter.
Page 19: Application Schemes
Product Overview 2.5.2 Application Schemes Battery PV Module DC Breaker PV 1/2 PV 3/4 X1-Lite-LV PV 5/6 GRID Grid L N PE PE N L AC Breaker AC Breaker AC Breaker E-BAR Diesel Generator Normal Loads Critical Loads Figure 2-6 Partial home backup for most countries Working State The series inverter has INIT, IDLE, START, RUN and STOP state.
Page 20: Working Mode
Product Overview Working Mode There are different work modes of the inverter based on different needs. Applicable areas Work modes SUB mode, SBU mode, MKS/EPS mode and Pakistan Force time use mode Countries other than Pakistan (including Back up mode, Self consumption mode, and Vietnam, India, South Africa, etc.) Force time use mode For how to set the working mode, please refer to...
Page 21: Sbu Mode (Pakistan)
Product Overview 2.7.2 SBU Mode (Pakistan) This mode is applicable to Pakistan and 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 nighttime electricity consumption.
Page 22: Mks/Eps Mode (Pakistan)
Product Overview Battery Charging And Battery state Power Supply Situation Discharging Situation First PV/PV+grid/grid → battery, then PV +battery → load • The battery will continued to be charged by the charging source until With Charge to Full on, it reaches the float voltage, then the battery first charge inverter will work off-grid two minutes then discharge...
Page 23: Force Time Use Mode (Pakistan)
Product Overview 2.7.4 Force Time Use Mode (Pakistan) This mode is suitable for application with peak and valley price difference . When the price of electricity is high, the battery is discharged to supply the load, and when the price of electricity is low, the battery is charged from PV or the grid to reach full capacity.
Page 24: Back Up Mode (Other Countries)
Product Overview 2.7.5 Back Up Mode (Other Countries) Back up mode is applicable to countries other than Pakistan. This mode uses the energy storage system as a backup power source and is suitable for applications with frequent power outages or wish to feed excess electricity generated by PV into the grid.
Page 25: Self Consumption Mode (Other Countries)
Product Overview 2.7.6 Self Consumption Mode (Other Countries) This mode is applicable to countries other than Pakistan and 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.
Page 26 Product Overview Table 2-10 Description of Self Consumption mode - Load First and Battery First Option PV State Power Supply Situation PV → load > battery • PV prioritizes supplying power to the load. If PV is sufficient the PV output exceeds the load demand, the surplus energy is used to charge the battery.
Page 27: Force Time Use Mode (Other Countries)
Product Overview 2.7.7 Force Time Use Mode (Other Countries) This mode is suitable for application with peak and valley price difference . When the price of electricity is high, the battery is discharged to supply the load, and when the price of electricity is low, the battery is charged from PV or the grid to reach full capacity*.
Page 28: System Overview
Table 3-1 System item description Item Description X1-Lite-LV series inverter (the device The X1-Lite-LV series inverter is an energy storage inverter that covered in this supports grid connection of photovoltaic system. manual) PV modules work in MPPT mode. The maximum number of MPPT PV modules is two for 8 kW and 10 kW inverters and three for 12 kW inverters.
Page 29 System Overview Item Description SolaX PV-Genset solution ensures optimum interaction between the photovoltaics and diesel generator, which saves fuel, lowers Generator energy costs and ensures a stable and reliable power supply. 220 V / 230 V and 240 V grid are supported.
Page 30: 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 31: 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 32 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 33: 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 thick layer of decoration), it must be strengthened additionally.
Page 34 Preparation before Installation ≥35 cm ≥35 cm ≥60 cm ≥35 cm ≥35 cm ≥100 cm ≥100 cm ≥60 cm ≥35 cm ≥35 cm ≥120 cm ≥120 cm Multiple inverters Figure 5-5 Clearance requirement for multiple inverters...
Page 35: 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 36: 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 4-6 mm² rating of 600 V Communication Network cable CAT5E 0.2 mm² wire Battery power Conventional copper wire 35-50 mm²...
Page 37 Preparation before Installation Table 5-4 Wire and breaker recommended for GEN connection Model 8 kW 10 kW 12 kW Wire 10 mm² 16 mm² 16 mm² (copper) Circuit 60 A 80 A 100 A breaker...
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 Negative PV connector Positive PV connector Inverter Bracket & PV pin contact & PV pin contact Battery connection terminal Battery temperature Disassembling tool Y terminal OT terminal sensor for PV terminal Washer RJ45 terminal Expansion tube RJ45 connector M4*L12 screw...
Page 40 Unpacking and Inspection Item Description Quantity Remark Disassembling tool for 1 pc PV terminal Battery connection 4 pcs terminal For Grid, EPS, GEN Y terminal 9 pcs connection OT terminal 1 pc For grounding M4*L12 screw 2 pcs For fixing the inverter M6*L14 screw 1 pc For grounding...
Page 41: Mechanical Installation
Mechanical Installation WARNING! • Only qualified personnel are allowed to perform the mechanical installation following local laws and regulations. • Check the existing power cables or other piping in the wall to prevent electric shock or other damage. • Use insulated tools and wear personal protective equipment throughout the installation and maintenance process.
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. The minimum distance between the ground and the inverter is 1200 mm. 374 mm Figure 7-5 Marking the holes Step 2: Set the wall mounting bracket aside and drill holes with Ø10 drill bit.
Page 44 Mechanical Installation 1.5±0.1 N·m Figure 7-8 Securing the wall mounting bracket Step 4: If the inverter needs to be temporarily placed on the ground, use foam or other protective materials to protect it against potential damages. 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 Step 5: Use M4*12 screws (Part K) to secure the inverter on both sides. M4*L12 1.5±0.1 N·m Figure 7-11 Securing the inverter...
Page 46: 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 47: Terminals Of Inverter
Electrical Connection Terminals of Inverter Figure 8-1 Terminals of Inverter Table 8-1 Description of terminals Item Description Remarks PV1 ~ PV4 terminals for 8 and 10 kW PV connection terminal inverter; PV1 ~ PV6 terminals for 12 kW inverter Battery connection terminal Including DI/COM, DO, BMS, COM communication terminal DRM, METER/CT_1, METER/CT_2,...
Page 48: 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. 10 ~16 mm2 Figure 8-2 Stripping the PE cable Step 2: Pull the heat-shrink tubing over the PE cable and insert the stripped section into...
Page 49 Electrical Connection Step 3: Crimp it with crimping tool, pull the heat-shrink tubing over the crimped section and use a heat gun to shrink it so that it can be firmly contacted with the terminal. Figure 8-4 Crimping the cable Figure 8-5 Shrinking the tubing Step 4: Connect the assembled PE cable to the grounding point of the inverter, and secure it with the M6*14 screw (Part L) in the packing list.
Page 50: Eps, Gen And Grid Connection
Electrical Connection EPS, GEN and GRID 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 51 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 8-2 EPS load information Type of load Equipment Start power Lamp Rated power Resistive load...
Page 52 Electrical Connection Figure 8-8 Stripping cables Step 2: Use crimping tool to crimp it. Make sure the conductors are correctly assigned and firmly seated in the Y terminals. Crimping tool Figure 8-9 Crimping the conductors Step 3: Use a cross screwdriver to loosen the M6 screws on both sides of the inverter. Then remove the lower cover of the inverter.(Torque: 3±0.3 N·m) M6*L14 3±0.3 N·m...
Page 53 Electrical Connection Figure 8-11 Removing the lower cover Step 4: Disassemble EPS, GEN and GRID ports. And remove the plugs and sealing cover as shown below. It is recommended to seal unused plugs with fireproof putty. GRID Figure 8-12 Removing the plugs For Grid, remove the sealing cover of the plug For EPS and GEN, remove the plug...
Page 54 Electrical Connection Step 5: Find the location of EPS, GEN and GRID connection port. GRID Figure 8-14 Finding the location Step 6: Thread EPS, GEN and Grid cables through the corresponding EPS, GEN and Grid ports. Figure 8-15 Threading the EPS cable Figure 8-16 Threading the GEN cable...
Page 55 Electrical Connection Figure 8-17 Threading the GRID cable Step 7: Loose the M6 screws to insert the crimped conductors. (Torque: 3±0.3 N·m) Figure 8-18 Loosening the EPS screws Figure 8-19 Loosening the GEN screws Figure 8-20 Loosening the GRID screws...
Page 56 Electrical Connection Step 8: Insert the crimped conductors L, N, and grounding conductor into the terminals according to the wire sequence and tighten the screws with a cross screwdriver (Torque: 3±0.3N·m). Then tighten the swivel nut. Figure 8-21 Connecting the EPS cable Figure 8-22 Connecting the GEN cable Figure 8-23 Connecting the GRID cable DANGER!
Page 57: 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 58 Electrical Connection Wiring procedures Step 1: Strip the insulation of the PV cables to an appropriate length. 4-6 mm2 Figure 8-24 Stripping the PV cable Step 2: Insert the stripped cable into the PV pin contact (Part B&D). Figure 8-25 Inserting the PV pin contact Step 3: Make sure the PV cable and PV pin contact are of the same polarity.
Page 59 Electrical Connection Step 4: Thread the PV cable through swivel nut and insert the cable into the PV connector (Part A&C) . Figure 8-27 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 60 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 is correct or PV connectors are not mistakenly connected. Step 7: Remove the PV terminal caps and connect the assembled PV connectors to corresponding terminals until there is an audible "Click".
Page 61: Battery Power Cable Connection
Nominal voltage of DC breaker should be larger than Voltage maximum voltage of battery. Current (A) • Battery configuration information » X1-Lite-LV series inverter matches with SolaX low voltage battery TP-LD53, TP-LD150. A single inverter can match with maximum 16 batteries.
Page 62 Electrical Connection Battery connection diagram Power cable connection Breaker BMS cable connection Low voltage lithium battery Figure 8-32 Lithium battery connection diagram...
Page 63 Electrical Connection Power cable connection Breaker Temperature sensor connection Lead-acid battery Figure 8-33 Lead-acid battery connection diagram Wiring procedures Step 1: Strip the insulation of the battery power cable to an appropriate length. 10 mm Figure 8-34 Stripping the battery cable...
Page 64 Electrical Connection Step 2: Insert the stripped cable into the battery connection terminal (Part H). Use crimping tool for battery to crimp it. Figure 8-35 Inserting the battery connection terminal Step 3: Disassemble the BAT+ and BAT- ports. Then remove the plug. ＋...
Page 65 Electrical Connection Step 4: Thread the battery cable through swivel nut and the battery terminal. Recommend 35~50 mm² copper wire Figure 8-38 Removing the plug Step 5: Remove the M8 screws to connect the battery cable. (Torque: 5±0.5N·m) Remove the screw Figure 8-39 Removing the screws Step 6: Insert the positive cable into BAT+ port and the negative cable to BAT-port.
Page 66 Electrical Connection Battery temperature sensor wiring procedures Step 1: Find the battery temperature sensor (Part F) in the accessory bag. Step 2: Disassemble the COM1/2/3 terminal. You can select any port from COM1/2/3. Pass the battery temperature sensor through the COM port and insert the RJ45 terminal of the battery temperature sensor into the BMS port located inside the inverter.
Page 67: Com Communication Connection
Electrical Connection COM Communication Connection 8.6.1 Pin Assignment of COM Terminal The COM terminal is used for generator state detection, rapid shutdown and remote monitoring via DI/COM terminal, generator start-up via DO terminal, battery communication via BMS terminal, controlling the device response via DRM terminal, Meter and CT connection via METER/CT_1 and METER/CT_2 terminal, parallel connection via PAR_1 and PAR_2 terminal.
Page 68: Di/Com Connection
Electrical Connection METER/CT_1 METER/CT_2 1: / 1: / 2: / 2: / 3: CT1_1 3: CT2_1 4: METER_485A 4: METER_485A 5: METER_485B 5: METER_485B 6: CT1_2 6: CT2_2 7: / 7: / 8: / 8: / PAR_1 PAR_2 1: GND 1: GND 2: PARA_SYNC1 2: PARA_SYNC1...
Page 69: Do Connection
Electrical Connection 8.6.3 DO Connection DO terminal is designed to support generator start-up through dry contact output. DO pin assignment Table 8-4 DO pin assignment Pin assignment DO2_1 DO2_2 For generator start-up DO1_1 (dry contact output) For generator start-up DO1_2 (dry contact output) 8.6.4 BMS Communication Connection...
Page 70: Meter/Ct Connection
• Smart meters must be authorized by our company. Unauthorized meter may be incompatible with the inverter, thereby resulting in inverter damage and working mode malfunction. SolaX will not be responsible for the impact caused by the use of other appliances.
Page 71 Electrical Connection Meter/CT connection diagram NOTICE! • The following diagrams take SolaX authorized DTSU666 meter connection for example. • If you have other power generation equipment (such as an inverter) at home and wants to monitor both equipment, our inverter provides Meter 2 communication function to monitor the power generation equipment.
Page 72 Electrical Connection • CT connection diagram Grid METER/CT Home loads The arrow on CT must point to the grid side. Inverter Grid L wire Grid Figure 8-46 CT connection diagram...
Page 73: Parallel Connection
Electrical Connection Meter/CT_1 pin assignment Pin assignment For CT connection CT1_1 METER_485A For Meter connection METER_485B For CT connection CT1_2 Meter/CT_2 pin assignment Pin assignment For CT connection CT2_1 METER_485A For Meter connection METER_485B For CT connection CT2_2 8.6.7 Parallel Connection The inverter provides the parallel connection function.
Page 74: Wiring Procedure Of Com Communication Connection
Electrical Connection 8.6.8 Wiring procedure of COM Communication Connection Meter/CT wiring procedure Step 1: Disassemble the COM port, then remove the plug. For communication connection, you can select any port from COM1/2/3. For unused terminals, keep the plug to protect the terminal. Remove the plug Figure 8-47 Removing the plug Step 2: Crimp RJ45 terminal (Part P).
Page 75 Electrical Connection Step 3: For Meter connection. Insert one side of the cable (with RJ45 terminal) into the Meter/CT port of the inverter, and the other side into the Meter. Then tighten the swivel nut. Figure 8-49 Inserting the cable into the Meter/CT port waterproof distribution box Figure 8-50 Inserting the cable into the Meter...
Page 76 Electrical Connection Step 4: For CT connection without RJ45 connector. Insert the cable with RJ45 terminal side into the Meter/CT port of the inverter. Then tighten the swivel nut. Figure 8-51 Inserting the cable into the Meter/CT port Figure 8-52 Tightening the swivel nut...
Page 77 Electrical Connection Step 5: For CT connection with RJ45 connector. Insert one side of the cable into the Meter/CT port of the inverter, and the other side into the RJ45 connector. Then insert the RJ45 terminal of the CT into the RJ45 connector. Then tighten the swivel nut.
Page 78 Electrical Connection wiring procedure DI/COM, BMS, DO, DRM Step 1: Thread the cable into the swivel nut, clamping jaw and cable support sleeve. Strip the insulation layer (length: 15mm) at one end of the cable. Crimp RJ45 terminal at the same end of the cable. Pay attention to the pin order of RJ45 terminal. Use a network cable tester to check if the cable has been correctly and properly crimped before connecting to inverter.
Page 79 Electrical Connection DI/COM DO DRM (optional) Figure 8-58 Finding the DI/COM, BMS, DO, DRM port Step 3: Insert the assembled cable into the corresponding ports, then tighten the swivel nut. DI/COM DO DRM (optional) Figure 8-59 Connecting the DI/COM, BMS, DO, DRM port...
Page 80 Electrical Connection wiring procedure Parallel PAR_2 PAR_1 PAR_2 PAR_1 PAR_1 PAR_1 PAR_2 PAR_2 Recommended Parallel connection diagram Figure 8-60 Parallel connection diagram NOTICE! • Parallel network cable is in the accessory bag.
Page 81 Electrical Connection Close the lower cover Step 1: Put the lower cover back to the inverter. Use cross screwdriver to tighten the screws on both sides. (Torque: 3±0.3 N·m) Figure 8-61 Put the lower cover back M6*L14 3±0.3 N·m Figure 8-62 Tighten the screws Step 2: Install the two decorative buckles (Part S) to the two screws form the accessory bag.
Page 82: 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 (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 83 Electrical Connection Monitoring wiring procedure Wi-Fi mode: Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 8-66 Assembling the dongle Plug the dongle to the inverter. Figure 8-67 Dongle connection procedure CAUTION! • The buckles on the inverter and dongle must be on the same side. Otherwise, the dongle may be damaged.
Page 84 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 8-68 Disassembling the waterproof connector Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 8-69 Assembling the dongle Plug the dongle to the inverter.
Page 85: 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 86 System Commissioning Step 5: Turn on the DC switch at the left side of the inverter. Step 6: If the battery is connected, but PV and Grid are not connected. Press and hold the battery button until the screen is on. If PV or Grid is connected, skip this step. Step 7: Turn on the system button at the left side of the inverter, the light on the system button will light up.
Page 87: 10 Operation On Lcd
10 Operation on LCD 10.1 Introduction of Control Panel LCD screen Operating indicator light Error indicator light Battery indicator light Down Enter Breathing light Figure 10-1 Control Panel • While upgrading, the green, blue and red indicator lights will flash in turns and the breathing light also flashes the three colour in turns, indicating that the upgrade is in progress.
Page 88 Operation on LCD Table 10-1 Definition of indicators LED indicator Status Definition The inverter is in grid-connected Solid green operation state or off-grid operation state. The inverter is in the process of Green blinking Operating powering on. The inverter is in a fault or manual Light off shutdown state.
Page 89: Introduction Of Menu Interface
MPPT. • Battery: Display the information of battery. Information contains the power, voltage, current, temperature and SOC status. Tap the BMS detail (Only available for SolaX Lithium battery), you can see the battery's SN number and Version.
Page 90 Operation on LCD • Grid: Information contains the voltage, current, output power, and frequency of Grid terminal. And information of feed-in and consumption power today and total. • Load: Information contains the total load, the voltage, current and frequency of load.
Page 91 Operation on LCD » Export Control: Set whether or not feeding power to the grid (Including No Export and Export) and Max Utility Charge Current. No Export Export Control Export Max Utility Charge Current » Battery Settings: Select Battery Type and set Charge Source. Battery Type Battery Settings Charge Source...
Page 92: Work Mode
Operation on LCD 10.3 Work Mode Please refer to "2.7 Working Mode" for introduction and working logic of the work modes. Setting path: >Work Mode After entering into the default menu, select the Setting icon, then you can set work mode for Pakistan and work mode for other countries as follows: Work Mode for Pakistan To select the Pakistan work modes, please tap "Country"...
Page 93 Operation on LCD MKS/EPS • » Return to SUB Mode: (For lead acid battery) Default: 42.0 V, range: 40.0~56.0 V; (For Lithium battery) Default: 20%, range: 10~80%. » Return to SBU Mode: (For lead acid battery) Default: 58.0 V, range: 44.0~58.0 V (For Lithium battery) Default: 100%, range: 25~100%.
Page 94 Operation on LCD Work Mode for other countries There are three work modes for other countries: Back Up, Self Consumption and Force Time Use. Back Up • Return Back Up Self Comp Force Time Use Back Up • Self Consumption »...
Page 95 Operation on LCD Force Time Use • For most countries, the setting interfaces are as below: » Charge Period: You can set three charge periods (start time and end time) here and set the charge source (PV Only, PV Then Grid, PV and Grid). »...
Page 96: Export Control
>Battery Setting Battery Type: Select the battery type according to the actual battery used. • Country Battery type Option Lead Acid AGM, FLD, TBL SolaX-LV, Pylon, Volta, Lemoen, Pakistan Lithium Lanni, Soluna User User (User defined) Lead Acid Lead Acid...
Page 97 Max Discharge Current: Default: 250 A, range: 2~250 A Bat Online Cnt: Display the number of batteries connected. Battery Parallel Mode (Only for SolaX-LV): Set up the battery parallel mode. Alone: Each battery is connected to the inverter separately. Converge: All the batteries is converged to the BMS.
Page 98: About
Operation on LCD » User: Here you can set the parameters of the battery according to your actual needs. Max Charge Voltage: Default: 58.8 V, range: 49.0~60.0 V Min Discharge Voltage: Default: 42.0 V, range: 40.0~47.0 V Float Charge Voltage: Default: 54.4 V, range: 49.0~59.0 V Max Charge Current: Default: 250 A, range: 2~250 A Max Discharge Current: Default: 250 A, range: 2~250 A Return...
Page 99: Smart Load
Operation on LCD 10.7 Smart Load Setting path: >Smart Load The generator port has three options: • None: No device is connected to the generator port; Return Smart Load None Load Generator Load: The generator port is connected to a load; •...
Page 100: Setting
• 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. • The setup will vary from different safety codes.
Page 101 Operation on LCD Return Basic Setting Country PAKISTAN Grid Code PAKISTAN Language English Setting Off-Grid Mute When the inverter is running in off-grid (EPS) Mode, you can choose whether the buzzer is turned on or not. • Turn ON, the buzzer mutes. •...
Page 102: 10.8.2 Advanced Setting
Operation on LCD Setting DI Option You can set whether to enable the DI Option or not. None means disable the function. Emerg Stop means enable the function for emergency stop. Setting DO1 Option You can set whether to enable the DO1 Option or not. None means disable the function. Generator means enable the function to allow communication with the generator.
Page 103 Operation on LCD After entering into the Advance interface, you can set Grid Protection, Active Power Control, Reactive Power Control, PV Connection, Meter/CT State, Com-Parameters, Check Parameters, Reset, New Password and EPS Control here. Return Return Advanced Setting Advanced Setting Active Reactive Grid...
Page 104 Operation on LCD Setting Reactive Power Control There are four modes can be selected: PF Mode, Fix Q Power, PF_P Mode and Q(U) Mode. 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 local grid requirements.
Page 105 Operation on LCD Here you can set Meter/CT1 State and Meter/CT2 State based on the actual application. CT1 is enabled by default in Meter/CT1 State. None is set by default in Meter/CT2 State. If need to change, select from the upper right and for CT and Meter you need to touch the small square to confirm the selection.
Page 106 Operation on LCD • None: No meter or CT is connected to the Meter/CT port. Return Meter/CT1 State None Setting Com parameters You can select the baud rate and set the address of the external communication protocol for communicating with external equipment. »...
Page 107 Operation on LCD Setting Reset Here you can reset value of Comm Module and Meter1/CT1, Meter2/CT2; clear history record and energy records ; and restore to the factory set. Setting New password Here you can reset the advanced password. × New Advance Password Return Advanced Setting...
Page 108: History Errors
Operation on LCD 10.9 History Errors Displaying path: >History Errors After entering the History Errors interface, the data of history errors will be displayed on the LCD. Information contains error code, error description and the date and time the error happened.
Page 109: 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 110: 12 Troubleshooting And Maintenance
App, and then refer to the suggestions below. For further assistance, contact SolaX Customer Service. Please provide the model and SN of the inverter, and be prepared to describe the system installation details.
Page 111 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code 1.05 times overload • Turn off high-power load. EPS Overload 1.25 times overload Fault • Turn off high-power load. 1.5 times overload • Turn off high-power load. Overload self-locking Overload Self- •...
Page 112 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Battery type configuration error Bat Type Error • Turn off PV, battery and power grid, restart inverter, and confirm whether the battery type is correct. Battery voltage is too high Bat Voltage Fault •...
Page 113 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code The grid voltage exceeds the allowable value 3 • Check whether the grid voltage is within the normal working range. Grid Voltage Fault The grid voltage is lower than the allowable value 3. •...
Page 114 • Please contact the after-sales personnel. During on-grid operation, DC component of the inverter DCI OCP Fault exceeds the permissible value. • Contact SolaX for help. During off-grid operation, DC component of the inverter DCV OVP Fault exceeds the permissible value.
Page 115 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Inverter frequent overcurrent alarm INV Frequent • Wait for a while to see if it returns to normal. Check whether the inverter current works in the normal range. Inverter overcurrent fault INV DM OCP •...
Page 116 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code The master and slave inverters failed to synchronize when starting and during operation • Check whether the PV, Grid, and battery connections Para Sync Fault of the master and slave inverters are consistent. If not, reconnect and make sure they are consistent.
Page 117 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Temp Sample Temperature sampling fault. Fault • Please contact the after-sales personnel. System fault. System Fault • Please contact the after-sales personnel. Over-discharge current fault. Dischrg • Stop using the battery and wait for it to recover or restart Overcurrent the battery.
Page 118 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Charging request fault. Charge Request • Check if the inverter is correctly supplying power to the Fault battery. Insulation fault. Insulation Fault • Please contact the after-sales personnel. Bat Volt Out Battery voltage overrun Limit •...
Page 119 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code PV De-rate, Curr Current limiting Limit • Ensure that the current works within the normal range. Internal fan failed. Inter Fan Fault • Check whether there is any foreign matter inside the fan. External fan1 failure FAN1Fault •...
Page 120 No readings after • Check if the arrow on the CT points at Grid. CT connection • Contact SolaX for help if it can not return to normal. • Check if the load is connected correctly. • Check if the power of load on the LCD screen No readings on displays normally.
Page 121: Maintenance
For inverters working in inferior conditions, more frequent maintenance is required. Please keep maintenance records. WARNING! • Only qualified person can perform the maintenance for the inverter. • Only spare parts and accessories authorized by SolaX can be used for maintenance. 12.3.1 Maintenance routines Table 12-2 Proposal of Maintenance...
Page 122: Upgrading Firmware
Troubleshooting and Maintenance Item Check notes Maintenance interval Grounding • Check if the grounding cables are firmly Every 12 months reliability connected to the grounding terminals. Use a ground resistance tester to test the grounding resistance from the inverter enclosure to the PE bar in the power distribution box.
Page 123 Troubleshooting and Maintenance » X1LiteLV_8_12kW_Vxxx.xx.bin » X1LiteLV_8_12kW_lap.txt Upgrade steps Plug the U disk into the upgrading port below: If the Dongle is connected to the port, please remove the dongle first. After the U disk is plugged in, the system will start upgrading, and the three indicator lights and the breathing light will flash in turns.
Page 124: 13 Decommissioning
13 Decommissioning 13.1 Disassembling the Inverter WARNING! • Strictly follow the steps below to disassemble the inverter. • Only use the dedicated removal tool to disassemble the AC connector, PV connector, battery connector and communication connector. Step 1: Turn off the system by ON/OFF on LCD screen. Step 2: Disconnect the external breakers of the inverter.
Page 125 Decommissioning Step 6: Slightly pull out the dongle module. Step 7: Disconnect the battery connectors: remove the M8 screws and loosen the swivel nuts, and slightly pull the connectors. (Torque: 15±1 N·m) Figure 13-2 Removing the battery connector Step 8: Disconnect EPS, GEN and GRID connector: remove the M6 screws and loosen the swivel nuts, and slightly pull the connectors.
Page 126: Packing The Inverter
Decommissioning 13.2 Packing the Inverter • Use the original packaging materials if available. Figure 13-4 Packing the inverter • If the original packing material is not available, use the packing material which meets the following requirements: » Suitable for the weight and dimension of product »...
Page 127: 14 Technical Data
14 Technical Data DC input Model X1-Lite-8K-LV X1-Lite-10K-LV X1-Lite-12K-LV Max. recommended PV power [W] 16000 20000 24000 Max PV voltage [d.c. V] Nominal DC operating voltage [d.c. V] MPPT voltage range [d.c. V] 50-550 MPPT full power voltage range [d.c. V] 180-500 200-500 180-500...
Page 128 Technical Data Model X1-Lite-8K-LV X1-Lite-10K-LV X1-Lite-12K-LV AC output & input Max. GEN input / output current [a.c. A] AC connection L / N / PE Battery Model X1-Lite-8K-LV X1-Lite-10K-LV X1-Lite-12K-LV Battery type Lithium / Lead-Acid Battery voltage range [d.c. V] 40-60 Nominal battery voltage [d.c.
Page 129 Technical Data EPS (Off-grid) output Model X1-Lite-8K-LV X1-Lite-10K-LV X1-Lite-12K-LV Rated EPS apparent power [VA] 8000 10000 12000 Nominal EPS voltage [a.c. V] Frequency 50/60 Rated EPS current [a.c. A] 34.8 43.5 52.2 Peak apparent power [VA, s] 3 16000, 10 20000, 10 24000, 10 Switching time (typical value) [ms]...
Page 130: 15 Appendix
15 Appendix 15.1 Application of Parallel Function 15.1.1 Introduction of Parallel Application The series inverters supports parallel operation in both Grid and EPS modes. It supports up to 10 units in the parallel system. This function will be released in quarter 1 of 2025. 15.1.2 Notice for Parallel Application •...
Page 131: System Wiring Diagram
Appendix NOTICE! • The communication cable length between two parallel inverters should not exceed 2 meters, and the total cable length of all parallel inverters should not exceed 15 meters. • When multiple inverters are connected in parallel, they can share one battery cluster. For details about the wiring procedures, please refer to the corresponding user manual of the battery.
Page 132: System Wiring Procedure
Appendix 15.1.4 System Wiring Procedure Power cable wiring-Grid and EPS terminal Grid terminal of Master and Slave inverter: L connects to L and N connects to N, EPS terminal of Master and Slave inverter: L connects to L and N connects to N, All PE cable connects to the same E-BAR nearby.
Page 133 Appendix Communication cable wiring-COM terminal and COM terminal Use standard network cables for Master-Slave inverter connection. Master inverter Parallel-2 connects to Slave 1 inverter Parallel-1. Slave 1 inverter Parallel-2 connects to Slave 2 inverter Parallel-1. Meter/CT connects to Meter/CT-1 or Meter/CT-2 terminal of the Master inverter. The following wiring is taken Meter/CT-1 terminal as an example.
Page 134: Settings For Parallel Connection
Appendix 15.1.5 Settings for Parallel Connection Parallel setting >Parallel Setting Setting path: The series inverters support up to 10 units in the parallel system. Master/Slaver Settings: You can set the state of inverter to Single or Parallel. • When parallel, the state of inverter can be set to Master/Slave. Select Master for the master inverter and Slave 1~9 for the slave inverters.
Page 135: Application Of Generator
Appendix 15.2 Application of Generator 15.2.1 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 136: Dry Contact Mode
Appendix 15.2.3 Dry Contact Mode In this operating mode, users can intelligently control the system by establishing a dry contact connection between the inverter and the generator. It allows for adjustments to multiple parameters so that the system can meet the requirements of different scenarios. Wiring connection diagram Inverter SolaXCloud...
Page 137 Appendix • Connection pins Table 15-1 Connection pins for generator Assignment Description DO1_1 For generator connection DO1_2 • Connection steps: Please refer to "8.3 EPS, GEN and GRID Connection" & "8.6 COM Communication Connection" for specific wire making and connection. Inverter settings for dry contact mode Setting path: >Smart Load>Generator...
Page 138 Appendix » Gen Charge Stop SOC: When the battery SOC is more than this set value, the generator will stop charging the battery. Default: 80%, range: 22%~100% » Max Power Obtain From Gen: Maximum battery charging power from the generator. You can decide whether to enable this setting by touching to select the square on the right side.
Page 139: 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 140 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. 320101105802...

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