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SolaX Power X1-HYB-LV User Manual
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SolaX Power X1-HYB-LV User Manual

SolaX Power X1-HYB-LV User Manual

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X1-HYB-LV
3.0 kW / 3.6 kW
4.0 kW / 5.0 kW / 6.0 kW
User Manual
Version 4.0
www.solaxpower.com
eManual in the QR code or
athttp://kb.solaxpower.com/

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Summary of Contents for SolaX Power X1-HYB-LV

  • Page 1 X1-HYB-LV 3.0 kW / 3.6 kW 4.0 kW / 5.0 kW / 6.0 kW User Manual Version 4.0 www.solaxpower.com eManual in the QR code or athttp://kb.solaxpower.com/...
  • Page 3 The images included in this document are solely for illustrative purposes and may differ based on the specific product models. For more detailed information, kindly visit the website of SolaX Power Network Technology (Zhejiang) Co., Ltd. at www.solaxpower.com. SolaX retains all rights for the final explanation.

  • Page 4: About This Manual

    About This Manual Scope of Validity This manual is an integral part of X1-HYB-LV series inverter. It describes the transportation, storage, installation, electrical connection, commissioning, maintenance and troubleshooting of the product. Please read it carefully before operating. This manual is valid for the following inverter models: •...

  • Page 5: Change History

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

  • Page 6: Table Of Contents

    Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Safety Instructions of PV, Inverter and Grid ...............1 1.2.1 Safety Instructions of PV ..................2 1.2.2 Safety Instructions of Inverter ................2 1.2.3 Safety Instructions of Utility Grid ..............3 Product Overview ..................4 2.1 Product Introduction ......................4 2.2 Appearance .........................4 2.3 Supported Power Grid .....................5...
  • Page 7 6.1 Unpacking ..........................27 6.2 Scope of Delivery.......................28 Mechanical Installation ................30 7.1 Dimensions for mounting ....................31 7.2 Installation procedures.....................32 Electrical Connection ................35 8.1 Terminals of Inverter ......................35 8.1.1 Cable Connections of Inverter .................37 8.2 PE Connection ........................38 8.3 AC Connection ........................41 8.4 PV Connection ........................50 8.5 Battery Power Cable Connection .................55 8.6 Communication Connection..................62...
  • Page 8 11.2.1 Downloading and Installing App ..............97 11.2.2 Operation on the SolaXCloud App ..............97 11.3 Operations on SolaXCloud Web Page.................97 Troubleshooting and Maintenance ............98 12.1 Power off ..........................98 12.2 Troubleshooting .........................98 12.3 Maintenance ........................108 12.3.1 Maintenance routines ..................109 12.4 Firmware Upgrade ......................110 Decommissioning ..................112 13.1 Disassembling the Inverter ....................112 13.2 Packing the Inverter ......................114...

  • Page 9: Safety

    Safety General Safety The series inverter has been meticulously designed and thoroughly tested to comply with all 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-HYB-LV series is an energy storage PV grid-connected inverter. It supports various intelligent solutions such as load management, battery terminals, microgrids, etc. to achieve efficient and economical energy utilization. The X1-HYB-LV series inverter can be used with different capacities of SolaX battery.

  • Page 13: Supported Power Grid

    Product Overview Supported Power Grid There are different ways of wiring for different grid systems. Three grid types, TT / TN-S / TN-C-S are shown as below: 400 V 400 V 400 V Inverter 1.L-N: 230 V; L-L: 400 V 2.L-N: 220 V;L-L: 380 V 3.L-N: 240 V;...

  • Page 14: 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 15: Working Principle

    The principle design of inverter is shown in the figure below: DC Switch PV1+ GEN_L MPPT 1 GEN_N PV1- Inverter EPS_N DC Bus Circuit EPS_L Filter Filter DC/AC PV2+ GRID_L MPPT 2 PV2- GRID_N DC SPD AC SPD BAT+ DC/DC Filter BAT- Figure 2-5 Circuit Diagram for X1-HYB-LV series inverter...

  • Page 16: Application Schemes

    Product Overview 2.5.2 Application Schemes Breaker Grid Main breaker Breaker Grid Inverter Distribution Diesel Home EPS loads Generator loads Figure 2-6 Partial home backup Breaker Grid Main breaker Breaker Grid Inverter Distribution box Diesel Whole home Generator loads Figure 2-7 Whole home backup...

  • Page 17: Working State

    Product Overview Working State The series inverter has InitMode, Checking, Normal, EPS, EPS Waiting, Waiting, Fault, Normal(Gen), and UPDATE state. Table 2-3 Description of working state State Description • The inverter is checking for the initialization information such InitMode as the model and country, the conditions to be met in order to enter Checking state.

  • Page 18: Sub Mode (Pakistan)

    Product Overview 2.7.1 SUB Mode (Pakistan) SUB mode is applicable to 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. Table 2-4 Description of SUB mode Battery Battery Charge...

  • Page 19: 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 20: 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 21: 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 22: 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 23: 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 24 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 25: 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 26: System Overview

    System Overview System Overview PV modules SolaXCloud X1-HYB-LV Dongle Grid inverter EPS Loads Home loads CT or Meter Battery Generator Cloud Control Figure 3-1 System overview diagram...
  • Page 27 Table 3-1 System item description Item Description The series inverter combines solar inverter, solar charger, AC X1-HYB-LV series charger and emergency power supply (EPS) function together with (the device covered IP65 degree of protection. The inverter can be used to optimize...

  • Page 28: Transportation And Storage

    Observe the caution signs on the packaging of inverter before transportation. • Pay attention to the weight of inverter. Be cautious to avoid injury when carrying X1-HYB-LV (gross weight: 20 kg). Four installers or lifting equipment are recommended. • Wear protective gloves when carrying the equipment by hand to prevent injuries.

  • Page 29: 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 30 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 31: 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 32 Preparation before Installation 30 cm 50 cm 30 cm 30 cm 50 cm 30 cm Multiple inverters Figure 5-5 Clearance requirement for multiple inverter...

  • Page 33: 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. Hammer drill Multimeter Measuring tape Utility knife Flat-head Marker Cross screwdriver screwdriver Allen key Crimping tool for Crimping tool Diagonal pliers Wire stripper...

  • Page 34: 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 mm² rating of 600 V Communication Network cable CAT5E 0.2 mm² wire 1 Additional PE Conventional yellow and green 4 mm²-10 mm²...

  • Page 35: Unpacking And Inspection

    Unpacking and Inspection Unpacking • The inverter undergoes 100% testing and inspection before shipping from the manufacturing facility. However, transport damage may still occur. Before unpacking the inverter, please check the outer packing materials for damage, such as holes and cracks. •...

  • Page 36: Scope Of Delivery

    Unpacking and Inspection Scope of Delivery Negative PV connectors Negative PV pin contacts Inverter Bracket Battery connection terminals Y terminals Expansion tubes OT terminal Positive PV connectors Self-tapping screws M4*12 Screws Positive PV pin contacts Washers RJ45 connectors RJ45 terminals Document Battery temperature sensor Disassembling tool for...

  • Page 37: Item Description

    Unpacking and Inspection Item Description Quantity Positive PV contacts 2 pcs Expansion tubes 3 pcs Self-tapping screws 3 pcs Washers 3 pcs Battery connection terminals 2 pcs Y terminals 9 pcs OT terminal 1 pc M4*12 Screws 4 pcs RJ45 connectors 2 pcs RJ45 terminals 4 pcs...

  • Page 38: 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 39: Dimensions For Mounting

    Mechanical Installation Dimensions for mounting Before installation, check the dimensions of the bracket and ensure that enough space is reserved for the installation and heat dissipation of the entire system. Figure 7-3 Dimensions 1 (Unit: mm) 198.5 198.5 Ø10 Figure 7-4 Dimensions 2 (Unit: mm)

  • Page 40: Installation Procedures

    Mechanical Installation Installation procedures Step 1: Align the wall mounting bracket horizontally on the wall and mark the position of the drill holes. Figure 7-5 Marking the holes NOTICE! • Take the height of the battery into account when mounting the bracket. •...
  • Page 41 Mechanical Installation Step 3: Attach the wall mounting bracket on the wall again. Insert the expansion tubes (Part E) into the holes and secure the wall bracket to the wall with self-tapping screws (Part F) . Figure 7-7 Insert the expansion tubes ST6.0 Figure 7-8 Securing the wall mounting bracket Step 4: Open the anti-static bag and take out the machine.If it is to be temporarily placed...
  • Page 42 Mechanical Installation Step 6: Secure the inverter to the wall mounting bracket with M4 screws. Tighten the M4*12 screws (Part K) on both sides. M4*12 1.5 ± 0.1 N·m Figure 7-10 Securing the inverter...

  • Page 43: Electrical Connection

    Electrical Connection DANGER! • Before electrical connection, make sure the DC switch and AC breaker are disconnected. Otherwise, electrical shock may be caused by high voltage, resulting in serious personal injury or death. WARNING! • Only the qualified personnel can perform the electrical connection following the local standards and requirements.
  • Page 44 Electrical Connection Figure 8-2 Terminals of Inverter (Front perspective view) Table 8-1 Description of terminals Item Description Remarks DC switch Battery power on button Battery connection terminal Upgrade / Dongle terminal Grid connection terminal PV connection terminal (Only for X1-HYB-5.0-LV and X1- HYB-6.0-LV) Including BMS, RS485, DI, Meter, CT, COM communication terminal...

  • Page 45: Cable Connections Of Inverter

    Battery Lead-acid battery (48V) can be connected with the series Prepared by user inverter. (Optional) X1-HYB-LV Select a same model of inverter Purchased from SolaX series inverter (Optional) Monitoring Only SolaX monitoring dongle Purchased from SolaX dongle supported.

  • Page 46: Pe Connection

    Electrical Connection Item Part Description Source Select an appropriate AC switch according to the local regulations to ensure AC switch the inverter can be securely Prepared by user disconnected from the grid, EPS loads and the generator. when an emergency occurs. Table 8-3 Descriptions of cables Item Cable...
  • Page 47 Electrical Connection Table 8-4 PE cable recommended X1-HYB- X1-HYB- X1-HYB- X1-HYB- X1-HYB- Model 3.0-LV 3.6-LV 4.0-LV 5.0-LV 6.0-LV PE Cable 4-6 mm² 6-8 mm² 6-8 mm² 8-10 mm² 8-10 mm² NOTICE! • When AC cable ≤16 mm , the earthing conductor should be as thick as the AC cable. . Step 2: Pull the heat-shrink tubing over the PE cable and insert the stripped section into the OT terminal.
  • Page 48 Electrical Connection Figure 8-7 Shrinking the tubing Step 4: Find the ground connection port on the inverter, loosen the PE screw on the inverter with cross screwdriver and screw the ground wire on the inverter with a cross screwdriver. 1.5± 0.1 N·m Figure 8-8 Securing the PE cable...

  • Page 49: 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 50 Electrical Connection Table 8-5 EPS load information Type of load Equipment Start power Lamp Rated power Resistive load Rated power Hair dryer Rated power Refrigerator 3-5 times rated power Air conditioner 3-6 times rated power Inductive load Washing machine 3-5 times rated power Microwave oven 3-5 times rated power * Refer to the nominal start power of the equipment for the actual start power.
  • Page 51 Electrical Connection NOTICE! • Please refer to the table in "5.3 Additionally Required Materials" to view the recommended wire sizes for GRID, EPS, and GEN. • It is recommended to use copper wire. Non-triple or non-dual core cables shall be sealed with glue or fireproof mud.
  • Page 52 Electrical Connection Step 3: Remove the plug of Grid, GEN and EPS ports. GRID Remove Figure 8-12 Remove the plug Step 4: Find the location of the AC interface. The Grid, GEN, and EPS connection port are shown below. Grid PE L N L N L N PE Figure 8-13 Find the Location...
  • Page 53 Electrical Connection Step 5: Pass the previously prepared Grid, GEN and EPS cables through the corresponding screw caps and seals rings. The Grid, GEN, and EPS cables should go through the corresponding Grid, GEN, and EPS ports. Figure 8-14 Pass the Grid cable Figure 8-15 Pass the GEN cable Figure 8-16 Pass the EPS cable...
  • Page 54 Electrical Connection Step 6: Remove the 10 mm insulation layer at the end of the wire. Insert the Y terminals (Part I) respectively, and make sure that the stripped ends are inserted into the fork terminal, and finally use crimping pliers to press tightly. Figure 8-17 Remove the layer Figure 8-18 Insert and press the terminal...
  • Page 55 Electrical Connection Step 7: Insert the crimped cables into the corresponding L, N, and PE terminals according to the wire sequence and tighten the screws with a cross screwdriver. Twist to tighten the screw caps and seals rings. Figure 8-19 Insert the Grid cable Figure 8-20 Tighten the Grid cable Figure 8-21 Grid cable connected...
  • Page 56 Electrical Connection Figure 8-22 Insert the GEN cable Figure 8-23 Tighten the GEN cable Figure 8-24 GEN cable connected...
  • Page 57 Electrical Connection Figure 8-25 Insert the EPS cable Figure 8-26 Tighten the EPS cable Figure 8-27 EPS cable connected...

  • Page 58: 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 59 Electrical Connection Wiring procedures Step 1: Turn off the DC switch, prepare a 4 mm² PV cable, and find the PV (+) connectors (Part A) and PV (-) connectors (Part C) in the package. Strip approx. 7 mm of the cable insulation.
  • Page 60 Electrical Connection WARNING! • To mitigate the risk of fire, it is crucial to utilize a dedicated crimping tool specifically designed for PV installations to ensure secure and reliable connections. Step 3: Thread the PV cable through swivel nut and insert the cable into the PV connector until a "Click"...
  • Page 61 Electrical Connection Step 4: Use a multimeter to measure the positive and negative voltage of the assembled PV connectors. Make sure the open circuit voltage does not exceed the input limit of 500 V. Figure 8-34 Measuring the voltage of PV connectors NOTICE! •...
  • Page 62 Electrical Connection Disassembling the PV cable Use the disassembling tool for PV terminal to disassemble it. Then remove the PV cable, and slightly pull it out.

  • Page 63: Battery Power Cable Connection

    Electrical Connection Battery Power Cable Connection Requirements for battery connection • Required battery » The series inverter system can be equipped with low voltage lithium battery and lead acid battery. • Battery Breaker » Before connecting the battery, a non-polar DC MCB must be installed to ensure safety.
  • Page 64 Electrical Connection Non-polar DC MCB Communication line connection Power line connection CAN/RS485 Low voltage lithium battery Figure 8-36 Lithium battery connection diagram Non-polar Temperature sensor connection DC MCB Power line connection Lead-acid battery Figure 8-37 Lead-acid battery connection diagram...
  • Page 65 Electrical Connection Battery connection steps Step 1: Prepare a 16-25 mm² or 35-50 mm² battery power cable. Strip approx. 10 mm of the cable insulation. 16-25 mm (3.0 kW to 4.0 kW) 35-50 mm (5.0 kW to 6.0 kW) Figure 8-38 Stripping the battery cable Step 2: Insert the stripped cables into the Battery connection terminals (Part H) respectively and crimp the terminals tightly.
  • Page 66 Electrical Connection • For battery connection from 3.0 kW to 4.0 kW Step 4: Remove the sealing cover of the plug. Figure 8-41 Remove the sealing cover Step 5: Pass the previously assembled cables through the corresponding swivel nut. Find the battery interface, insert the positive cable into BAT+ port and the negative cable to BAT-port.
  • Page 67 Electrical Connection Step 7: Use cross screwdriver to tighten the screw. Twist to tighten the swivel nut. 5.0±0.1 N·m Figure 8-44 Tighten the cable • For battery connection from 5.0 kW to 6.0 kW Step 4: Remove the plug. Figure 8-45 Remove the plug Step 5: Pass the previously assembled cables through the corresponding swivel nut.
  • Page 68 Electrical Connection Step 6: Find the battery interface, remove the screw. insert the positive cable into BAT+ port and the negative cable to BAT-port. Remove 5.0±0.1 N·m Figure 8-47 Remove the screw Step 7: Use cross screwdriver to tighten the screw. Twist to tighten the swivel nut. 5.0±0.1 N·m Figure 8-48 Tighten the cable WARNING!
  • Page 69 Electrical Connection Battery temperature sensor connection steps Step 1: Find the battery temperature sensor (Part O) in the accessory bag. Step 2: Disassemble the swivel nut on COM1/2/3. Pass the battery temperature sensor through the COM port and insert the RJ45 connector of the battery temperature sensor into the BMS port located inside the inverter.

  • Page 70: Communication Connection

    Electrical Connection Communication Connection PARALLEL_1 PARALLEL_2 METER/CT CONTACT (optional) Table 8-6 Definition of communication ports Port PIN Definition Port PIN Definition CAN_H CAN_H PARALLEL_1 PARALLEL_2 CAN_L CAN_L SYNC_1 SYNC_1 SYNC_2 SYNC_2 CT1-1 DO_1 DO_2 RS485_A Meter/CT CONTACT RS485_B CT1-2 DRM1/5 DI_1 DRM2/6 DI_2...

  • Page 71: Ct/Meter Port Connnection

    Electrical Connection Port PIN Definition Port PIN Definition BMS_485B BMS_485A BMS_CANH BMS_CANL WAKEUP BAT_TEMP 8.6.1 CT/meter port connnection 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.
  • Page 72 Electrical Connection • CT connection diagram Inverter Grid E-BAR Home Loads The arrow on CT must point to the grid side. Inverter Grid L wire Figure 8-51 CT connection diagram...
  • Page 73 Electrical Connection • Meter connection diagram Inverter Grid Home Loads Grid Figure 8-52 Meter connection diagram NOTICE! • If two meters are to be connected in the system, the communication cables of the meters should be connected in parallel. For example, the 485A of one meter should be connected with the 485A of the other meter, and the 485B of one meter should be connected with the 485B of the other meter.
  • Page 74 Electrical Connection • Pin definition for CT/Meter 1 2 3 4 5 6 7 8 Pin Definition CT1-1 RS485_A RS485_B CT1-2 NOTICE! • Only one of the Meter and CT connections can be selected. Meter cable goes to pin terminal 4 and 5, while the CT cable goes to pin terminals 1 and 8. CT/Meter connection steps Step 1: Remove the plug.
  • Page 75 Electrical Connection NOTICE! • It is recommanded to use CAT5 Cable. Step 3: For meter connection, insert one side of the cable (with no terminal) into the inverter, and the other side of the cable into the waterproof distribution box. Figure 8-55 Insert one side of the cable into the inverter waterproof distribution box...
  • Page 76 Electrical Connection CT connection without RJ45 connector Figure 8-58 Insert the other side of the cable into the CT connection Step 4 : For CT connection with RJ45 connector, connect the A terminal to the Meter/CT port of the inverter, tighten the waterproof screw and connect the B terminal to the RJ45 connector (Part L) .

  • Page 77: Bms/Drm/Com Port Connnection

    Electrical Connection 8.6.2 BMS/DRM/COM port connnection BMS/DRM/COM connection steps Step 1: Remove the plug. Pass the cable through the corresponding screw caps and seals rings. Strip the insulation layer (length: 15mm) at one end of the cable. Crimp a RJ45 terminal at the same end of the cable. Figure 8-61 Prepare the cable Table 8-7 CAT5 wiring order White with orange stripes...

  • Page 78: Parallel Connection

    Electrical Connection Figure 8-63 Insert the cable NOTICE! • After the BMS communication between the battery and the inverter is finished, the battery will work normally. 8.6.3 Parallel Connection The inverter provides the parallel connection function. One inverter will be set as the Master inverter to control other Slave inverters in the system.
  • Page 79 Electrical Connection Figure 8-64 Prepare the cable Table 8-8 CAT5 wiring order White with orange stripes White with blue stripes Orange Green White with green stripes White with brown stripes Blue Brown NOTICE! • It is recommanded to use CAT5 Cable. •...
  • Page 80 Electrical Connection DO_1 DO_2 Figure 8-66 Insert the cable Step 3: Slide to close the lower cover. Use cross screwdriver to tighten the screws on both sides of the inverter. Figure 8-67 Close the lower cover and tighten the screws...

  • Page 81: Monitoring Connection

    Electrical Connection Monitoring Connection The inverter provides a Upgrade/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 82 Electrical Connection Monitoring wiring procedure Wi-Fi mode: Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 8-70 Assembling the dongle Plug the dongle to the inverter. Figure 8-71 Dongle connection procedure CAUTION! • The buckles on the inverter and dongle must be on the same side. Otherwise, the dongle may be damaged.
  • Page 83 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 8-72 Disassembling the waterproof connector Assemble the dongle. M2.5 0.8 ± 0.1 N·m Figure 8-73 Assembling the dongle Plug the dongle to the inverter.

  • Page 84: 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 85 System Commissioning Step 3: Turn on the DC switch and check the LCD screen. » If the LCD screen is not on, turn off the DC switch and check whether the PV polarity is connected correctly. » If the error of any channel of PV is displayed on LCD, turn off the DC switch and check the corresponding channel of PV connection.

  • Page 86: 10 Operation On Lcd

    10 Operation on LCD 10.1 Introduction of Control Panel LCD Screen Operating indicator light Battery indicator light Down Enter Error indicator light Figure 10-1 Control Panel of the inverter • In a normal state, the PV, Inverter, Load, Grid and Battery information will be displayed.

  • Page 87: Introduction Of Menu Interface

    Operation on LCD NOTICE! • While upgrading, the green, blue and red indicator lights will flash in turns, indicating that the upgrade is in progress. Table 10-2 Definition of keys Definition ESC key Exit from the current interface or function Up key Move the cursor to the upper part or increase the value Down key...
  • Page 88 Operation on LCD PV: Display the PV information of the system, containing input voltage, current • and power situation of each MPPT. • Battery: Display the power, voltage, current, temperature and SOC status of battery. Tap the BMS Detail, you can see the battery's SN number and Version. •...
  • Page 89 Operation on LCD Settings: After tapping the setting icon on the upper right corner, you can enter • the submenus interface. There are eight submenus in the menu that can be selected for relevant setting operations. » Work Mode: Select the working mode of the inverter, including Work mode for Pakistan : SUB, SBU, MKS/EPS and Force Time Use and Work mode for other countries: Back Up, Self Consumption and Force Time Use.

  • Page 90: Work Mode

    Operation on LCD 10.3 Work Mode Please refer to "2.7 Working Mode" for working logic of these modes. Selecting path: Menu> >Work Mode Work Mode for Pakistan To select the Pakistan work modes, please tap "Country" on the Basic interface >...
  • Page 91 Operation on LCD » Return to SBU Mode: (For lead acid battery) Default: 54.0 V, range: 42.0~58.0 V (For Lithium battery) Default: 100%, range: 20~100%. Return MKS/EPS Force Time Use MKS/EPS (IF SOLAR POWER PRESENT) Return to SUB Mode 46.0V 54.0V Return to SBU Mode •...
  • Page 92 Operation on LCD » Return to Utility Voltage/SOC: When the voltage/SOC is lower than the setted value, the battery starts to charge. (For lead acid battery) Default: 46 V, range: 42~47 V; (For Lithium battery) Default: 20%, range: 10~80%. » Return to Battery Voltage/SOC: When the voltage/SOC is higher than the setted value, the battery starts to discharge.

  • Page 93: Export Control

    Operation on LCD » Discharge Stop VOL/SOC: When the battery voltage/SOC is lower than the set value, the battery will stop discharging. (For lead acid battery) Default: 42.0 V, range: 40.0~52.0 V (For Lithium battery) Default: 10%, range: 10~40%. » Max Charge Power: Maximum allowable discharge power.

  • Page 94: Battery Setting

    Operation on LCD 10.5 Battery Setting Setting path: Menu> >Battery Setting • Battery Type: Select the battery type according to the actual battery used. Country Battery type Option Lead Acid AGM, FLD, TBL Pakistan Lithium SolaX-LV, Cyclone, Volta, SC_Li User User (User defined) Lead Acid Lead Acid...
  • Page 95 Operation on LCD » Lithium battery: Max Charge Current: Default: 10 A, range: 2~120 A Max Discharge Current: Default: 100 A, range: 2~120 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.

  • Page 96: About

    Operation on LCD 10.6 About Setting path: Menu> >About Here you can check the basic information of the inverter. 10.7 Smart Load Setting path: Menu> >Smart Load The generator port has three options: • None: No device is connected to the generator port; Return Smart Load None...

  • Page 97: Setting

    Operation on LCD Return Smart Load None Load Generator Smart Load Battery o Voltage 48.0V Smart Load Battery on Voltage 52.0V • Generator: The generator port is connected to the generator. For the details, please refer to "15.1 Application of Generator".
  • Page 98 Operation on LCD • Setting Country This inverter provides multiple countries for customers to choose from according to the installation site. • Setting Grid Code After the Country is set, select the applicable Grid Code. There are several standards to choose from, please refer to the LCD screen on the inverter. (May be changed or added without notice.) In addition, the inverter has a user defined option which allows you to customize relevant parameters with a wider range.

  • Page 99: 10.8.2 Advance Setting

    Operation on LCD Setting Date Time You can set the current date and time of the installation site. Return Basic Setting Mute Battery Sleep Lcd Sleep Date Time 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.
  • Page 100 Operation on LCD After tapping the Advance interface, you need to enter the password, the default password is "2014". × Please Enter Password Return Return Return Advanced Setting Setting Advanced Setting Please enter four Arabic numerals Active Active Reactive Check Power Reset ×...
  • Page 101 Operation on LCD Setting Reactive Power Control There are four modes can be selected: PF Mode, Fix Q Power, PF_P Mode and QU 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 102 Operation on LCD • CT: The Meter/CT port is connected to CT; » CT Direction: Here you can set the direction of CT to Positive or Negative connection according to the actual situation. » CT Sensitivity: Here you can set the sensitivity level of CT. There are three levels to choose from: Level1 / Level2 / Level3.
  • Page 103 Operation on LCD • Ex485 Modbus Address: Default: 1. Range:1~127 Setting Check Parameters • AI_En: choose it to enable the active islanding function; • ExFanCheck_En: choose it to enable the external fan failure detection function; Reset Setting Here you can reset value of Comm Module and Meter1/CT1; Clear history record and energy records;...

  • Page 104: History Errors

    Operation on LCD Setting EPS Control Here you can set the battery min. SOC in off-grid (EPS) mode for lithium batteries. » Min SOC: If the battery SOC falls below this value, the battery will stop discharging. Default: 10%. Range: 10%~25%. »...

  • Page 105: 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 106: 12 Troubleshooting And Maintenance

    12 Troubleshooting and Maintenance 12.1 Power off Turn off the system 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 107 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 108 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code The grid voltage exceeds the allowable value 1 • Check whether the grid voltage is within the normal working range. The grid voltage exceeds the allowable value 2 • Check whether the grid voltage is within the normal working range.
  • Page 109 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code BST1 Software BST1 software overcurrent • Please contact the after-sales personnel. BST2 Software BST2 software overcurrent • Please contact the after-sales personnel. BST1 hardware overcurrent • Please contact the after-sales personnel. BST2 hardware overcurrent Tz Protect Fault •...
  • Page 110 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Inverter relay fault INV Relay Fault • Please contact the after-sales personnel. EPS Overload Soft start AC voltage failed. Fault • Please contact the after-sales personnel. Inverter software overcurrent INV SW OCP •...
  • Page 111 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code High Ambient High ambient temperature fault Temp • Check whether the fan works normally. Battery positive copper plate over temperature fault • Check whether the battery power cables can stand the Bat Plate Hot (+) maximum battery current.
  • Page 112 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code High temperature fault. Overtemp Fault • Stop using the battery and wait for the temperature to recover. Self-test fault. Self-check Fault • Check the battery failure and contact the after-sales personnel. Main Relay Main positive relay sticking fault.
  • Page 113 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Intermediate network communication fault. • Check the communication line between the batteries. Mid Comm Fault If this fault still occurs after reinserting the line, please contact the after-sales personnel. Voltage Sensor Voltage sensor fault.
  • Page 114 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Battery charging power derating Bat Chrg De-rate • Ensure that the battery charging power is within the normal range. Battery discharge power derating Bat Dischrg De- • Ensure that the battery discharge power is within the rate normal range.
  • Page 115 Troubleshooting and Maintenance Error Fault Diagnosis and Solutions Code Meter loss METER FAULT • Please check if the meter is connected or if the meter communication line works normally. CT loss MISS CT FAULT • Please check if the CT is connected. Communication loss between inverter and battery management system equipment.

  • Page 116: Maintenance

    Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions • Check if the battery is connected correctly. • Check if the battery parameter on the LCD screen No readings on displays normally. battery (on App or • Check if the monitoring module works normally. Web) •...

  • Page 117: Maintenance Routines

    Troubleshooting and Maintenance 12.3.1 Maintenance routines Table 12-2 Proposal of Maintenance Item Check notes Maintenance interval Safety check • Check the items mentioned in section 1 Every 12 months “Safety” • The safety check shall be performed by manufacturer’s qualified person who has adequate training, knowledge, and practical experience.

  • Page 118: Firmware Upgrade

    Troubleshooting and Maintenance 12.4 Firmware Upgrade 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 119 Troubleshooting and Maintenance Figure 12-2 Plug in the U disk NOTICE! • The USB disk can be plugged in when the inverter is in normal status.

  • Page 120: 13 Decommissioning

    13 Decommissioning 13.1 Disassembling the Inverter WARNING! • Strictly follow the steps below to disassemble the inverter. • Only use the dedicated removal tool delivered with the inverter to disassemble PV connector. Step 1: Turn off the system on LCD screen. Step 2: Disconnect the external AC and EPS breaker of the inverter.
  • Page 121 Decommissioning Step 6: Use the disassembling tool for PV terminal to disassemble the PV cables. Then remove the PV cables, and slightly pull out the cables. Figure 13-2 Disassembling the PV cables Step 7: Remove the lower cover of the inverter, measure whether there is AC voltage. If not, remove the cables from Grid, GEN and EPS port.

  • Page 122: Packing The Inverter

    Decommissioning 13.2 Packing the Inverter • Load the inverter into the original packing material if possible. • If the original packing material is not available, use the packing material which meets the following requirements: » Suitable for the weight of product »...

  • Page 123: 14 Technical Data

    14 Technical Data • DC input X1-HYB- X1-HYB- X1-HYB- X1-HYB- X1-HYB- Model 3.0-LV 3.6-LV 4.0-LV 5.0-LV 6.0-LV Max. PV array power [Wp] 6000 7200 8000 10000 12000 Max. PV Voltage [d.c.V] Start output voltage [V] Nominal input voltage [V] MPPT voltage range [d.c.V] 80 ~ 520 No.
  • Page 124 Technical Data • EPS output X1-HYB- X1-HYB- X1-HYB- X1-HYB- X1-HYB- Model 3.0-LV 3.6-LV 4.0-LV 5.0-LV 6.0-LV Nominal output power [W] 3000 3600 4000 5000 6000 Peak apparent power [VA] 2 times the rated power, 10s Nominal Output Current [A] 15.7 17.4 21.7 26.1...
  • Page 125 Technical Data • Protection device X1-HYB- X1-HYB- X1-HYB- X1-HYB- X1-HYB- Model 3.0-LV 3.6-LV 4.0-LV 5.0-LV 6.0-LV Anti-Islanding Protection PV String Input Reverse Polarity Protection Insulation Resistor Detection Residual Current Monitoring Unit Output Over Current Protection Output Short Protection Output Over Voltage Protection Surge Protection AC Type II/DC Type II Battery Terminal Temp Protection...

  • Page 126: 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 127 Appendix Wiring connection diagram Generator E-BAR Figure 15-1 Dry contact wiring diagram Inverter connection for dry contact mode • Connection terminal - DO of DRY CONTACT terminal CONTACT Figure 15-2 Connection terminal for generator...
  • Page 128 Appendix • Connection pins Table 15-1 Connection pins for generator Assignment Description DO_1 For generator connection DO_2 • Connection steps: Please refer to "8.6.4 Dry-contact output connection" specific wire making and connection. Inverter settings for dry contact mode Setting path: Menu> >Smart Load>Generator Gen Rated Power: Set the rated power of the generator based on the actual •...

  • Page 129: Application Of Parallel Function

    Appendix » 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. Default: 0 W, range:0~65535 W Return Return Smart Load Smart Load None Load...

  • Page 130: System Wiring Diagram

    Appendix • Once slave inverter exits from the system and be running as an independent unit (the network cable is disconnected simultaneously), its all setting will be re- activated. • The parallel system is extremely complex and requires a large number of cables to be connected.

  • Page 131: System Wiring Procedure

    Appendix Inverter Inverter Inverter (Master) (Slave) (Slave) GRID GRID GRID CT2 CT3 Grid L2 L3 L2 L3 Home Loads Battery EPS Loads Figure 15-4 System wiring diagram 2 15.2.4 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 132 Appendix Communication cable wiring-COM terminal • Parallel connection. 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 connects to COM communication terminal of the Master inverter. Please refer to "8.6.1 CT/meter port connnection".

  • Page 133: Settings For Parallel Connection

    Appendix 15.2.5 Settings for parallel connection Parallel setting Setting path: Menu> >Parallel Setting 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 134: 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 136 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. 320101069504...

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