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SolaX Power X3-MEGA G2 User Manual
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SolaX Power X3-MEGA G2 User Manual

SolaX Power X3-MEGA G2 User Manual

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X3-MEGA G2
20 kW-LV / 25 kW-LV / 30 kW-LV / 35 kW-LV
40 kW / 50 kW / 60 kW
User Manual
Version 12.0
www.solaxpower.com
eManual in the QR code or
at http://kb.solaxpower.com/

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Summary of Contents for SolaX Power X3-MEGA G2

  • Page 1 X3-MEGA G2 20 kW-LV / 25 kW-LV / 30 kW-LV / 35 kW-LV 40 kW / 50 kW / 60 kW User Manual Version 12.0 www.solaxpower.com eManual in the QR code or at http://kb.solaxpower.com/...
  • Page 3 The images included in this document are solely for illustrative purposes and may differ based on the specific product models. For more detailed information, kindly visit the website of SolaX Power Network Technology (Zhejiang) Co., Ltd. at www.solaxpower.com. SolaX retains all rights for the final explanation.

  • Page 4: About This Manual

    About This Manual Scope of Validity This manual is an integral part of X3-MEGA G2 series inverter. It describes the transportation, storage, installation, electrical connection, commissioning, maintenance and troubleshooting of the product. Please read it carefully before operating. This manual is valid for the following inverter models: •...

  • Page 5: Target Group

    Target Group The installation, maintenance and grid-related setting can only be performed by qualified personnel who: • Are licensed and/or satisfy state and local regulations. • Have good knowledge of this manual and other related documents. Conventions The symbols that may be found in this manual are defined as follows. Symbol Description Indicates a hazardous situation which, if not avoided,...
  • Page 6 Version 8.0 (2023-01-22) Updated LCD description and used MC4 terminals Updated information of packing list Deleted PLC, PV Connection and UKCA information Version 7.0 (2023-07-18) Added local MODBUS parallel function description Modified Troubleshooting Added OT terminal instructions Version 6.0 (2023-02-15) Added Change History Updated 2.3 Explanation of Symbols (Modified the explanations of the symbols)

  • Page 7: Table Of Contents

    Table of Contents Safety ......................1 1.1 General Safety ........................1 1.2 Safety Instructions of PV, Inverter and Grid ...............1 1.2.1 Safety Instructions of PV ..................2 1.2.2 Safety Instructions of Inverter ................2 1.2.3 Safety Instructions of Grid .................3 Product Overview ..................4 2.1 Product Introduction ......................4 2.2 Appearance .........................6 2.3 Symbols on the Label and Inverter ................7 2.4 Working Principle .......................8...
  • Page 8 7.4.1 PV Terminal Connection Recommendations ..........37 7.4.2 Wiring Procedures ....................48 7.5 Communication Connection..................51 7.6 Monitoring Connection ....................55 System Commissioning ................57 8.1 Checking before Power-on ....................57 8.2 Powering on the System ....................57 8.3 Operation of Lockable DC Switch (for Australia Version Only) ......58 Operation on LCD ..................60 9.1 Introduction of Control Panel ..................60 9.2 Main interface ........................62...
  • Page 9 Appendix ....................104 14.1 Control Output Power with RRCR ................104 14.2 Application of Parallel Function ..................106...

  • Page 11: Safety

    Safety General Safety The series inverter has been meticulously designed and thoroughly tested to comply with the relevant state and international safety standards. Nevertheless, like all electrical and electronic equipment, safety precautions must be observed and followed during the installation of the inverter to minimize the risk of personal injury and ensure a safe installation.

  • Page 12: 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 13: Safety Instructions Of Grid

    Safety WARNING! • During operation, avoid touching any parts of the inverter other than the DC switch and LCD panel. • Never connect or disconnect the AC and DC connector while the inverter is running. • Prior to conducting any maintenance, turn off the AC and DC power and disconnect them from the inverter.

  • Page 14: Product Overview

    Product Introduction Photovoltaic grid connected system X3-MEGA G2 is a three-phase transformerless grid-connected inverter, which is an important component of photovoltaic (PV) power generation systems. The inverter converts the direct current (DC) generated by the PV strings into alternating current (AC) that meets grid requirements and feeds it into the grid.
  • Page 15 110% overloading output, with a maximum MPPT current of 32A. For safety, X3-MEGA G2 Series Inverter is built to last with an IP66 rating, protecting it from dust and water. It includes AFCI protection (optional), and surge protection devices (SPDs) for both AC and DC circuits.

  • Page 16: Appearance

    Product Overview Appearance Nameplate Panel Grounding point Electrical connection area Figure 2-3 Appearance Table 2-1 Description of appearance Item Description Nameplate clearly identifies the device type, serial number, specific Nameplate DC / AC parameters, certification, etc. Models with (L) have an LCD screen and keys. The screen displays information, and the keys are used for parameter setting.

  • 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. RCM mark. The inverter complies with the requirements of the applicable RCM guidelines.

  • Page 18: Working Principle

    Product Overview Working Principle The inverter is equipped with multi-channel MPPT for DC input to ensure maximum power even under different photovoltaic input conditions. The inverter unit converts DC into AC that meets the requirements of the power grid and feeds it into the power grid. Surge protection can be realized with SPDs on the DC and AC side.
  • Page 19 Product Overview PV1+ DC/DC Input EMI PV2+ Boost circuit PV1- PV2- PV3+ DC/DC PV4+ Input EMI Boost circuit PV3- PV4- PV5+ DC/DC Input EMI PV6+ Boost circuit PV5- PV6- DC switch 1 DC SPD DC/AC inverter circuit PV7+ DC/DC PV8+ Input EMI Boost circuit PV7-...

  • Page 20: Working State

    Product Overview Working State State Description After powering on, the inverter enters the Waiting state. • When the inverter detects sufficient photovoltaic input voltage, it enters the Checking state. Waiting • If the inverter detects a fault, it enters the Stop state. •...

  • Page 21: Transportation And Storage

    Pay attention to the weight of the inverter. Carry the inverters by the required number of personnel or with a forklift as specified by local regulations. The gross weight range of the X3-MEGA G2 series inverters is 52 kg ~ 54 kg. •...

  • Page 22: 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 device safety, service life and performance. It has the IP66 ingress protection, which allows it to be installed outdoor. The installation position shall be convenient for wiring connection, operation and maintenance.

  • Page 23: Installation Carrier Requirement

    Preparation before Installation Sea breeze Inverter 500 m 1000 m Figure 4-1 Recommended installation position Sea breeze Inverter 500 m 1000 m Figure 4-2 Incorrect installation position NOTICE! • For outdoor installation, precautions against direct sunlight, rain exposure and snow accumulation are recommended.

  • Page 24: Clearance Requirement

    Preparation before Installation Inverter 20 kW 25 kW 30 kW 35 kW 40 kW 50 kW 60 kW Weight (kg) 43.5 Figure 4-3 Installation carrier requirement 4.1.3 Clearance Requirement To guarantee proper heat dissipation and ease of disassembly, the minimum space around the inverter must meet the standards indicated below.

  • Page 25: 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 Measuring tape Utility knife (drill bit: Ø12 and Ø10 mm (≥...

  • Page 26: Additionally Required Materials

    Preparation before Installation Additionally Required Materials Table 4-1 Additionally required wires Conductor Cross- Cable No. Required Material Type Section Length Dedicated PV wire, PV cable copper, complying with 4-6 mm² ≤200 m 1,500 V standard Five-core copper wire 35 mm² ~ 50 mm² ≤200 m AC cable Five-core aluminium wire 50 mm²...

  • Page 27: Unpacking And Inspection

    Unpacking and Inspection Unpacking • The inverter undergoes 100% testing and inspection before delivery. However, damages may still occur during transportation. Before unpacking, please carefully check the external packaging for any signs of damage, such as punctures or cracks. • Unpacking the inverter according to the following figure.

  • Page 28: Scope Of Delivery

    Unpacking and Inspection Scope of Delivery Inverter Bracket Communication connector Positive PV dustproof buckle Positive PV connector & Negative PV connector & Negative PV dustproof buckle Positive PV pin contact Negative PV pin contact Disassembling tool for PV terminal M8 × L80 Expansion bolt T30 internal hex wrench M8 Screw Documents...
  • Page 29 Unpacking and Inspection Item Description Quantity Remark • 6 pairs for 20 kW Positive PV connector • 8 pairs for 25 kW & 40 kW • 10 pairs for 30 kW, 35 kW & 50 kW Positive PV pin contact •...

  • Page 30: Mechanical Installation

    Mechanical Installation WARNING! • Only qualified personnel are allowed to perform the mechanical installation in accordance with local laws and regulations. • Check the existing power cables or other piping in the wall to prevent electric shock or other damage. •...
  • Page 31 • Tighten the screws to the torque specified in this document. Otherwise, the inverter may be damaged. This damage is not coved by the warranty. NOTICE! • X3-MEGA G2 series inverters support two mounting methods: Stand-mounting and Wall-mounting. Select an appropriate installation mode based on the actual environment.

  • Page 32: 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 6-3 Dimensions of inverter (Unit: mm) Figure 6-4 Dimensions of bracket (Unit: mm) Installation Procedures Stand-mounting Step 1:...
  • Page 33 Mechanical Installation Step 2: Remove the bracket and drill holes with a Ø10 drill bit in accordance with the marks. Figure 6-6 Drilling holes Step 3: Secure the bracket to the stand using the M8 × L40 bolt kits. Transverse section Flat washer M8 ×...
  • Page 34 Mechanical Installation Step 4: Lift the inverter using one of two methods: four installers directly hold it on both sides, or install two lifting rings on each side and lift it using those rings. Method 1 Method 2 Figure 6-9 Lifting the inverter Step 5: Hang the inverter on the bracket and secure the inverter on both sides with M8 screws (part K).
  • Page 35 Mechanical Installation Wall-mounting Step 1: Use the bracket as a template for marking the positions of drilling holes on the wall with a spirit level and a marker. Figure 6-12 Marking the holes Step 2: Use a Ø12 drill to drill holes in accordance with the marks. The depth of the holes shall be at least 65 mm.
  • Page 36 Mechanical Installation Transverse section Spring washer M8 × L80 bolt Flat washer M8 nut Bracket Figure 6-15 Transverse section 8.0-10.0 N·m Figure 6-16 Securing the bracket Step 4: Lift the inverter using one of two methods: four installers directly hold it on both sides, or install two lifting rings on each side and lift it using those rings.
  • Page 37 Mechanical Installation Step 5: Hang the inverter on the bracket and secure the inverter on both sides with M8 screws (part K). Figure 6-18 Hanging the inverter 7.0-8.5 N·m Figure 6-19 Securing the inverter...

  • Page 38: 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 39: Cable Connections Of Inverter

    Electrical Connection Table 7-1 Description of terminals Decisive Item Description Remarks voltage class Disconnect the PV input when DC switch necessary PV terminal connecting to PV PV terminals DVC-C module. Firmware upgrading and data Dongle DVC-A transmission Communication terminal for RS485, DVC-A DRM, Meter AC terminal connecting to power...
  • Page 40 Electrical Connection Table 7-2 Descriptions of connected part Item Part Description Source A PV string is composed of the PV modules connected in series. The number of input Prepared PV strings PV strings varies in accordance with by user different models. (Optional) SolaX SolaX DataHub is supported.

  • Page 41: Pe Connection

    Electrical Connection PE Connection The uncharged metal parts in the photovoltaic power generation system, including the photovoltaic substrate bracket and the metal shell of the inverter, should be reliably grounded. The grounding part of multiple inverters and photovoltaic array shall be connected to the same grounding bus to establish reliable equipotential connection.
  • Page 42 Electrical Connection Step 3: Crimp it with crimping tool, pull the heat-shrink tubing over the stripped section of the OT terminal and use a heat gun to shrink it so that it can be firmly contacted with the terminal. Figure 7-5 Crimping the cable Figure 7-6 Shrinking the tubing Step 4: Remove the M8 screw on the inverter with Philips screwdriver, then connect the assembled PE cable to the grounding point of the inverter, and secure it with the...

  • Page 43: Ac Connection

    Electrical Connection AC Connection WARNING! • Ensure electrical connection design meets local national and local standards. • The PE cable of the inverter must be reliably grounded. NOTICE! • Before connecting the inverter to the grid, approval must be received by local utility as required by national and state interconnection regulations.
  • Page 44 Electrical Connection Select the appropriate OT terminal and blue, red and yellow and green cable with proper length, and use wire stripper to strip 15 mm insulation layer of the AC cable end. Figure 7-9 Stripping the AC cable Insert the AC cable through fastening head and AC protective shield, and pre- tighten the fastening head.
  • Page 45 Electrical Connection Pull the heat-shrink tubing over AC cable. Insert the stripped section into OT terminal, crimp with crimping tool and pull the heat shrink tubing over the crimped section of OT terminal. Use the heat gun to shrink it so that they are in firm contact with OT terminal.
  • Page 46 Electrical Connection Loosen the fastening head and clockwise screw in the screws (with the torque of 1 N·m) to fix the AC protective shield with cross screwdriver. Then tighten the fastening head. Figure 7-14 Loosening the fastening head 1.0 N·m Figure 7-15 Tightening the fastening head...

  • Page 47: Pv Connection

    Electrical Connection PV Connection WARNING! • Before connecting the inverter, ensure that the open-circuit voltage of the PV string does not exceed 1100 V under any circumstances (pay special attention to the impact of the low-temperature VOC temperature coefficient of the modules); otherwise, it may damage the inverter.
  • Page 48 Electrical Connection Models DC SWITCH 1 DC SWITCH 2 30 / 35 / 50 kW PV1-PV6 PV7-PV10 25 / 40 kW PV1-PV4 PV7-PV10 20 kW PV1-PV4 PV9-PV10...
  • Page 49 Electrical Connection PV terminal configuration for 60 kW When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: • PV strings should be evenly distributed across the two DC switches controlling the PV terminals. •...
  • Page 50 Electrical Connection Figure 7-20 Configuration for 5 Strings Input: Connect to PV2, PV4, PV6, PV10, PV12 terminals Figure 7-21 Configuration for 6 Strings Input: Connect to PV2, PV4, PV6, PV8, PV10, PV12 terminals. Figure 7-22 Configuration for 7 Strings Input: Connect to PV1, PV2, PV4, PV6, PV8, PV10, PV12 terminals.
  • Page 51 Electrical Connection Figure 7-24 Configuration for 9 Strings Input: Connect to PV1, PV2, PV4, PV5, PV6, PV8, PV10, PV11, PV12 terminals. Figure 7-25 Configuration for 10 Strings Input: Connect to PV1, PV2, PV4, PV5, PV6, PV8, PV9, PV10, PV11, PV12 terminals. Figure 7-26 Configuration for 11 Strings Input: Connect to PV1, PV2, PV3, PV4, PV5, PV6, PV8, PV9, PV10, PV11, PV12 terminals.
  • Page 52 Electrical Connection PV terminal configuration for 30 / 35 / 50 kW When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: • PV strings should be evenly distributed across the two DC switches controlling the PV terminals.
  • Page 53 Electrical Connection Figure 7-32 Configuration for 5 Strings Input: Connect to PV2, PV4, PV6, PV8, PV10 terminals Figure 7-33 Configuration for 6 Strings Input: Connect to PV1, PV2, PV4, PV6, PV8, PV10 terminals. Figure 7-34 Configuration for 7 Strings Input: Connect to PV1, PV2, PV4, PV6, PV8, PV9, PV10 terminals.
  • Page 54 Electrical Connection Figure 7-36 Configuration for 9 Strings Input: Connect to PV1, PV2, PV3, PV4, PV6, PV7, PV8, PV9, PV10 terminals. Figure 7-37 Configuration for 10 Strings Input: Connect to all terminals. PV terminal configuration for 25 / 40 kW When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: •...
  • Page 55 Electrical Connection Figure 7-40 Configuration for 3 Strings Input: Connect to PV2, PV4, PV10 terminals. Figure 7-41 Configuration for 4 Strings Input: Connect to PV2, PV4, PV8, PV10 terminals. Figure 7-42 Configuration for 5 Strings Input: Connect to PV1, PV2, PV4, PV8, PV10 terminals Figure 7-43 Configuration for 6 Strings Input: Connect to PV1, PV2, PV4, PV8, PV9, PV10 terminals.
  • Page 56 Electrical Connection Figure 7-44 Configuration for 7 Strings Input: Connect to PV1, PV2, PV3, PV4, PV8, PV9, PV10 terminals. Figure 7-45 Configuration for 8 Strings Input: Connect to all terminals. PV terminal configuration for 20 kW When the PV strings are not fully connected, the recommended selection for the PV terminals are as follows: •...
  • Page 57 Electrical Connection Figure 7-48 Configuration for 3 Strings Input: Connect to PV2, PV4, PV10 terminals. Figure 7-49 Configuration for 4 Strings Input: Connect to PV1, PV2, PV4, PV10 terminals. Figure 7-50 Configuration for 5 Strings Input: Connect to PV1, PV2, PV4, PV9, PV10 terminals Figure 7-51 Configuration for 6 Strings Input: Connect to all terminals.

  • Page 58: Wiring Procedures

    Electrical Connection 7.4.2 Wiring Procedures Step 1: Strip off the insulation of the PV cables to an appropriate length. 4 ~ 6 mm2 Figure 7-52 Stripping the PV cable Step 2: Insert the stripped cable into the PV pin contact (part C and E). Figure 7-53 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 B and D). Figure 7-55 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 multimeter are correct or PV connectors are correctly assembled. Step 7: Remove the PV terminal caps and connect the assembled PV connectors to the corresponding terminals until there is an audible "Click".

  • Page 61: Communication Connection

    Electrical Connection Communication Connection Communication signal definition Figure 7-60 Communication port pin number Table 7-5 Communication port pin definition Port Definition Remark RS485A IN+ RS485B IN Inverter RS485 Reserved networking or RS485-1 connect the data RS485A OUT+ collector RS485B OUT Reserved RS485A METER RS485B METER...
  • Page 62 Electrical Connection Connection steps of communication cable Step 1: Select 0.5-0.75 mm2 conductor and use wire stripper to strip 12-14 mm insulation layer of the cable end and insert the insulated cord end terminal to the cable end. ENY0512 nylon terminal for 0.5 mm² conductor; ENY7512 nylon terminal for 0.75 mm²...
  • Page 63 Electrical Connection component body accordingly. housing body seal part Figure 7-64 Routing the COM cable Step 5: Push the terminal-inserted housing into the body. There will be a slight sound of “Click”, which indicates the connection is completed. Plug the cable into the housing component in accordance with the pin definition in table 7-4 Communication port pin...
  • Page 64 Electrical Connection Step 7: Keep the buttons on both sides pressed and connect it to the COM terminal of the inverter. There will be a slight sound of “Click” if it is correctly connected. Inverter COM terminal Click! Figure 7-67 Connecting to COM terminal...

  • Page 65: Monitoring Connection

    Electrical Connection Monitoring Connection The series of inverters supports the connection of Wi-Fi, LAN, and 4G monitoring modules. Plug Dongle into USB port at the bottom of the inverter. After the DC side and AC side is powered on, the APP and inverter can be connected. Remember to keep the “QR Code"...
  • Page 66 Electrical Connection • LAN connection If Wi-Fi isn’t suitable, the LAN dongle enables users to connect to the network via an ethernet cable. Ethernet allows for a much more stable connection with less interference. Cloud Router Figure 7-69 LAN mode connection diagram •...

  • Page 67: System Commissioning

    System Commissioning Checking before Power-on • The device is installed correctly and securely; • All the DC breakers and AC breakers are OFF; • All AC cables, DC cables and communication cables are connected correctly and securely; • All the connectors which are not used should be sealed by covers. •...

  • Page 68: Operation Of Lockable Dc Switch (For Australia Version Only)

    System Commissioning Operation of Lockable DC Switch (for Australia Version Only) NOTICE! • The Australian version DC switch is a lockable DC switch to prevent accidental switching on during maintenance, the lock needs to be prepared by the user. The lockable DC switch includes 3 states: ON, OFF, and OFF+Lock. The DC switch is in the OFF state by default.
  • Page 69 System Commissioning • Lock the DC switch Rotate the DC switch to OFF state, then rotate the DC switch to the left side; Push the position indicated by the arrow upward (as shown in the diagram below). (Optional) After pushing the position upward, choose to lock the DC switch with a lock.

  • Page 70: Operation On Lcd

    Operation on LCD Introduction of Control Panel LCD panel Power (kW) XXXXXX Down Enter Figure 9-1 Control panel • In normal state, the Power, TodayEnergy, TotalEnergy and Status information will be displayed. You can press the keys to switch information. •...
  • Page 71 Operation on LCD LED indicators Communication Alarm indicator indicator DC connection Grid connection indicator indicator Figure 9-2 Control panel Table 9-2 Definition of indicators Status Definition Communication The inverter communication is normal. indicator (Blue) Flash No communication data is sent or received for a long time. The inverter is in grid-connected state.

  • Page 72: Main Interface

    Operation on LCD Main interface >Status Status >Meter 24/02/08 10:10 Power(kW) >History XXXX.XXX Enter TodayEnergy(kWh) >Settings XXXX.X TotalEnergy(kWh) >About XXXX.X >GridProtection(Chile) /RED(Cyprus)* The main interface (Level 1) is the default interface, the inverter will automatically jump to this interface when the system started up successfully or not operated for a period of time. Status shows the time and the current status “Waiting”, “Checking”,“Running”, “Fault”...

  • Page 73: Status

    Operation on LCD Status Status Ua xxx.xV xxx.xA Status Ub xxx.xV xxx.xA >Grid Status Uc xxx.xV xxx.xA Freq xx.xxHz >Status MPPT1_V xxx.xV MPPT1_I xxx.xA >Solar ..MPPT12_V xxx.xV MPPT12_I xxx.xA The status function contains Grid and Solar. Press Up and Down to select and press Enter to confirm the selection.

  • Page 74: Meter

    Operation on LCD Meter Pgrid/Meter xxxxx.xxxx kW Total Import >Meter xxxxx kWh Total Export xxxxx kWh The user can check the active power received from the meter and import/export energy by this function. There are three parameters: Pgrid/Meter, Total Import and Total Export. Press Up and Down to review the values.

  • Page 75: Using Users' Password

    Operation on LCD 9.6.1 Using Users' Password >Language >Language > English < >Y2022-M03-D22 >Date Time H11: M 35 SET >RS485 Addr > 1 < The sections in this diagram are the same >RS485 Baud whether accessed > 9600 < >password == 0000 with the end-user >Communication password or the...
  • Page 76 Operation on LCD Communication RS485 Addr: the modbus address of the external communication protocol. RS485 Baud: The baud rate of the external communication protocol. At present,4800, 9600 and 19200 are supported, and the default is 9600. With this function, the inverter can communicate with the computer, through which the operating status of the inverter can be monitored.

  • Page 77: Using Installer Password

    Operation on LCD 9.6.2 Using Installer password >Country >Safety >VDE4105 >System State >System ON/OFF > ON < >Mode Select >PV Connection > Disable < >PV Connection > Multi < >Control Power 100.0 % >Export Control >Meter reverse > Disable < >Active Power >Export Mode >...
  • Page 78 Operation on LCD System ON/OFF ON means the inverter is in running state which is the default state. OFF means that the inverter stops running and only the LCD screen is on. ===ON/OFF=== >System state >ON< PV connection The user can select the PV connection type by this function. ==PV Mode== >PV connection >Multi<...
  • Page 79 Operation on LCD Hard Limit operates differently. When enabled, it sets a threshold value; if the grid- connected power exceeds this value, the machine will disconnect and report an error. ==Export SoftHard== > Soft Limit > Enable < ==Export Control Choose== ==Export SoftHard== >Soft Limit >Soft Limit value...
  • Page 80 Operation on LCD Reactive power >Q Mode >Disable< >Q Mode >Q Set >Reactive Power >Fixed QPower< 30.0 % >Q Mode >PF Set >PF Mode< > 0.800 < This interface is used to set the reactive power. Please set the value according to the requirement of utility grid.
  • Page 81 Operation on LCD >O/V Stage1 > VacOvp1stTime >Grid Protection >Voltage 350.0V 10.00S >U/VStage1 >VacUvp1stTime 150.0V 10.00S >O/V Stage2 >VacOvp2ndTime 350.0V 10.00S >U/V Stage2 > VacUvp2ndTime 150.0V 10.00S > O/V Stage3 > VacOvp3rdTime 350.0 V 10.00S >U/V Stage3 > VacUvp3rdTime 150.0V 10.00S >...
  • Page 82 Operation on LCD >O/V Stage1 > FacOfp1stTime >Frequency >Grid Protection 52.00Hz 10.00S >U/F Stage1 >FacUfp1stTime 48.00Hz 10.00S >O/F Stage2 >FacOfp2ndTime 53.00Hz 10.00S >U/F Stage2 > FacUfp2ndTime 48.00Hz 10.00S > O/F Stage3 > FacOfp3rdTime 52.00Hz 10.00S >U/F Stage3 > FacUfp3rdTime 48.00Hz 10.00S >...
  • Page 83 Operation on LCD >LVRT >Grid Protection >H/L VRT >LVRT 5 -T >LVRT > xxx.xxx S < > Enable < >>LVRT 1 -% >LVRT 6 -T > xxx% V < > xxx.xxx S < >LVRT T4 -T > LVRT 2 -% >xxx.xxx S<...
  • Page 84 Operation on LCD >UF/OF >Grid Protection >Curve Set >PF(p) >Q(u) >P(U) Function >Var-Watt >PF(p) >UF/OF >fULCO >UfDroopRate >PF-Watt >PowerRatio2 50.00 Hz 30.00 % > Disable < >fPmin >EntryDelayTime >PF(p)_3Tau >PowerRatio3 50.00 Hz 10 S 3tau = 0 S >OfDroopRate >ExitDelayTime >EntryVolt >PowerFactor1 30.00 %...
  • Page 85 Operation on LCD >P(u) Function >Q(u) >Q(u) >QuQ1 >P(u) Function >Pu_PowerRatio2 > Disable < 0.01 % > Disable < 50 % >Q(u)_3Tau >PuGridV1 >Pu_PowerRatio3 >QuQ2 200.0 V 3tau = 0 S 50 % 0.01 % >QuGridV1 >PuGridV2 >Pu_PowerRatio4 >QuQ3 200.0 V 200.0 V 0.01 % 50 %...
  • Page 86 Operation on LCD Usually end user do not need to set the grid protection. All default value have been set before leaving factory according to safety rules. If reset is needed, any changes should be made according to the requirements of local grid. ==Grid Protection== >Voltage ARC checks...
  • Page 87 Operation on LCD Checks >DRM Fuction >Anti-PID >Ground Check > Enable < > Enable < > Enable < >Checks >SVG >DI Fuction >Fan Check > Enable < > Disable < > Enable < >MPPT Fuse State > Enter < (Displayed only under Korea safety) >Local Command >Self Test Italy >...
  • Page 88 Operation on LCD All test interfaces are as follows: Uvp(59.S2) Uvp(27.S1) Uvp(27.S2) Ofp(81>.S1) SUCCESS/FAIL SUCCESS/FAIL SUCCESS/FAIL SUCCESS/FAIL xxx.xV xxx.xV xxx.xV xx.xxHz xxx ms xxx ms xxx ms xxxms Vo_R: xxx.xV Vo_R: xxx.xV Vo_R: xxx.xV Fo_R: xx.xxHz To_R: xxxms To_R: xxxms To_R: xxxms To_R:...
  • Page 89 Operation on LCD System reset Enter >Reset? Reset Factory >Factory Reset Yes/No Done Enter >Reset? Reset Module >Reset Wifi Yes/No Done Enter >Reset? Reset ErrorLogs >System Reset >Reset ErrorLog Yes/No Done Enter >Reset? Reset Energy >Reset Energy Yes/No Done Enter >Reset? Reset Meter >Reset Meter...

  • Page 90: About

    Operation on LCD New password Press Enter to enter the password setting interface, press Up and Down when it is flashing, then press Enter to confirm the set value. Finally, select SET and press Enter to confirm the password. The user can set the new password here. Users need to increase or decrease the word by pressing Up or Down button.

  • Page 91: 10 Operation On Solax App And Web

    10 Operation on SolaX App and Web 10.1 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 92: Operations On Solaxcloud Web Page

    Operation on SolaX App and Web Figure 10-2 Online help on SolaXCloud NOTICE! • The screen shots in this chapter correspond to the SolaXCloud App V6.2.0, which might change with version update and should be subject to the actual situations. 10.3 Operations on SolaXCloud Web Page Open a browser and enter www.solaxcloud.com to complete registration, login, add site...

  • Page 93: 11 Troubleshooting And Maintenance

    11 Troubleshooting and Maintenance 11.1 Power off Turn off the system by System ON/OFF on LCD screen. Switch off the DC and AC switch/breaker and disconnect the inverter from DC Input and AC output. Wait for 5 minutes for de-energizing. WARNING! •...
  • Page 94 Troubleshooting and Maintenance Table 11-1 Troubleshooting list Error Code Fault Diagnosis and Solutions IE 00 ISO_Fail PV insulation impedance below safety value 1. Check the PV string impedance to ground, if there is a short circuit or insufficient insulation please rectify the short circuit point;...
  • Page 95 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 20 PV_VolHigh PV input voltage is higher than the allowable value (PV1-PV12 respectively represents 1-12 PV over voltage) 1. Check the string configuration, reduce the number of PV modules in series, ensure that the open circuit voltage of the string does not exceed the specification requirements, and after the PV array is configured correctly, the inverter alarm will disappear...
  • Page 96 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 53 GridVol_UP1 The grid voltage is lower than the allowable value 1. If it occurs occasionally, it may be a short time abnormality of the power grid, the inverter will return to normal operation after detecting the power grid is normal, no manual intervention is required;...
  • Page 97 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 57 GridFreq_OP1 Grid frequency exceeds allowable value 1. If it occurs occasionally, it may be a short time abnormality of the power grid, the inverter will return to normal operation after detecting the power grid is normal, no manual intervention is required;...
  • Page 98 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 61 PBus_FSW_OVP Bus software over-voltage 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention; 2.
  • Page 99 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 68 SunPWR_Weak Low PV power 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention; 2.
  • Page 100 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 76 Inv_SC_Err Inverter peak over current fault 1. The inverter monitors the external working conditions in real time, and the inverter will resume normal operation after the fault disappears, without manual intervention;...
  • Page 101 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 82 AC_TB_NTC_OTP The AC terminal temperature is higher than the allowable value 1. Check if the inverter installation location is well ventilated and the ambient temperature is not beyond the maximum permissible ambient temperature range, if the ventilation is not good or the ambient temperature is too high, please improve the ventilation and heat dissipation condition;...
  • Page 102 Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions IE 92 Comm_CAN_Err Internal CAN failure 1. If the abnormality is introduced by an external fault, the inverter automatically resumes normal operation after the fault disappears without manual intervention; 2. If this alarm occurs frequently, please contact the installer.

  • Page 103: Maintenance

    Troubleshooting and Maintenance Error Code Fault Diagnosis and Solutions Screen on but no Contact SolaX for help. content display 11.3 Maintenance Regular maintenance is required for the inverter. Please check and maintain the following items based on the instructions below to ensure the optimal performance of the inverter. For inverters working in inferior conditions, more frequent maintenance is required.
  • Page 104 Troubleshooting and Maintenance Item Check notes Maintenance interval • Check if there is any damage on the inverter. General status • Check if there is any abnormal sound when the Every 6 months of inverter inverter is running. • Check that if the cooling fans on the rear of inverter are covered by dirts, and the device Cooling fans Every time as-needed...
  • Page 105 Troubleshooting and Maintenance Step 3: Remove the screw from the fan bracket and disconnect the cables. Figure 11-2 Disconnecting the cables Step 4: Pull out the fan bracket. Figure 11-3 Pulling out the fan bracket Step 5: Clean and repair the fan. Step 6: Restore the installation of fan bracket and tighten the fixing screws.

  • Page 106: Upgrading Firmware

    Troubleshooting and Maintenance 11.4 Upgrading Firmware WARNING! • Make sure that the type and format of the firmware file are correct. Do not modify the file name. Otherwise, the inverter may not work properly. • Do not modify the folder name and file path where the firmware files are located, as this may cause the upgrade to fail.
  • Page 107 Troubleshooting and Maintenance NOTICE! • If upgrading succeeds, the communication indicator (blue) turns off and other indicators are on. • If upgrading fails, only alarm indicator (red) is on. Please contact our service support for solutions. • For inverters with LCD Screen: During upgrading process, users can see the steps of the upgrade displayed on the LCD screen.

  • Page 108: 12 Decommissioning

    12 Decommissioning 12.1 Disassembling the Inverter WARNING! Strictly follow the steps below to disassemble the inverter. • Only use the dedicated removal tool delivered with the inverter to disassemble the PV connector. • Before dismantling the inverter, please be sure to turn off the DC switch and AC breaker, and then unplug the PV and AC cables, otherwise it will lead to an electric shock hazard.
  • Page 109 Decommissioning Step 3: Slightly pull out the dongle module. Step 4: Open the AC protective shield and disconnect the AC connectors. Step 5: Disconnect communication and optional connection wirings. For releasing the communication cable, please keep the buttons on the two sides, pressed and pull out the cable to make it unlocked.

  • Page 110: Packing The Inverter

    Decommissioning 12.2 Packing the Inverter • Use the original packaging materials if available. Figure 12-4 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 111: 13 Technical Data

    13 Technical Data • DC Input X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- 40K-G2(L) 50K-G2(L) 60K-G2(L) Model 20K-G2-LV 25K-G2-LV 30K-G2-LV 35K-G2-LV X3-MGA- X3-MGA- X3-MGA- 40K-G2 50K-G2 60K-G2 Max. PV array input 37.5 52.5 power [kWp] Max. PV input voltage 1100 1100 1100 [d.c.
  • Page 112 Technical Data X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- 40K-G2(L) 50K-G2(L) 60K-G2(L) Model 20K-G2-LV 25K-G2-LV 30K-G2-LV 35K-G2-LV X3-MGA- X3-MGA- X3-MGA- 40K-G2 50K-G2 60K-G2 Maximum output overcurrent protection [a.c. A] • Efficiency, Safety and Protection X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- 40K-G2(L) 50K-G2(L)
  • Page 113 Technical Data • Standard X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- X3-MGA- 40K-G2(L) 50K-G2(L) 60K-G2(L) Model 20K-G2-LV 25K-G2-LV 30K-G2-LV 35K-G2-LV X3-MGA- X3-MGA- X3-MGA- 40K-G2 50K-G2 60K-G2 Safety IEC/EN 62109-1; IEC/EN 62109-2; NB/T 32004 EN/IEC 61000; NB/T 32004 VDE4105; EN 50549; AS 4777.2; VDE4105; IEC 61727; IEC 62116; IEC 61683; IEC 60068; Certification EN 50530;...
  • Page 114 14 Appendix 14.1 Control Output Power with RRCR The inverter can be connected to a RRCR (Radio Ripple Control Receiver) in order to dynamically control the output power of all the inverters. Users can control and limit the active power on the LCD by setting the active power limitation, which is a fixed power limit as a percentage, i.e.
  • Page 115 Appendix COM port COM port COM port COM port Active Cos(φ) Pin 11 Pin 12 Pin 13 Pin 14 power Short circuit with RG / 0 Short circuit 100% with RG / 0 • Fixed power control setting procedure Enter Active Power page, choose “Enable” to activate the function. >Active Power >RRCR >...
  • Page 116 Appendix 14.2 Application of Parallel Function Datahub parallel connection The series inverter provides the parallel connection function when connected with Datahub, which could support at most 60 inverters to parallel in one system and can control zero injection to the grid with a meter installed in the main circuit. In this parallel system, the Datahub will be the master of the system, and all the inverters are the slaves.
  • Page 117 Appendix NOTICE! Datahub Installation Guide. • For details on the wiring operation of Datahub, see Modbus parallel connection The device offers master-slave parallel connection for up to 10 devices, with one serving as the master and the others as slaves. A 485 communication wire must be attached directly to the inverter.
  • Page 118 Appendix Port Definition RS485A IN+ RS485B IN- RS485-1 RS485A OUT+ RS485A OUT- RS485A METER RS485-2 RS485B METER Setting procedure • Slave setup: The slave device needs to set its Modbus address and baud rate. Set the Modbus address of the slave device on the power station to 2 ~ 11 (up to 10 devices are supported at present) and the baud rate to 9600.

  • Page 119: Contact Information

    Contact Information UNITED KINGDOM AUSTRALIA Unit C-D Riversdale House, Riversdale 21 Nicholas Dr, Dandenong South VIC 3175 Road, Atherstone, CV9 1FA +61 1300 476 529 +44 (0) 2476 586 998 service@solaxpower.com.au service.uk@solaxpower.com TURKEY GERMANY Fevzi Çakmak mah. aslım cd. no 88 A Am Tullnaupark 8, 90402 Nürnberg, Karatay / Konya / Türkiye Germany...
  • Page 120 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. 320101031412...

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