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SOLINTEG INTEG M M2HS-3K-30 User Manual

Hybrid inverter
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M
Integ
Hybrid Inverter
M 2 H S - 3 / 3 . 6 / 4 . 2 / 4 . 6 / 5 / 6 K- 3 0
User Manual
ENGLISH VERSION

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Summary of Contents for SOLINTEG INTEG M M2HS-3K-30

  • Page 1 Integ Hybrid Inverter M 2 H S - 3 / 3 . 6 / 4 . 2 / 4 . 6 / 5 / 6 K- 3 0 User Manual ENGLISH VERSION...

  • Page 3: Table Of Contents

    About This Manual 1.1 Purpose ........................5 1.2 How to Use This Manual ..................5 1.3 Target Groups ......................5 1.4 Symbols ........................5 1.5 Revision Record ....................... 6 Safety Instructions 2.1 Statement ........................7 2.2 Personnel Safety ...................... 7 2.3 General Safety Statements ..................
  • Page 4 6.9 Communication Connection ................55 Commissioning 7.1 App Preparation .....................69 7.2 Inspection Before Commissioning ..............69 7.3 Commissioning Procedure .................69 7.4 Stop the Inverter ....................70 Operation 8.1 Indicator ........................71 8.2 OLED Display ......................72 8.3 Button ........................72 8.4 Screen Menu ......................73 8.5 Auto Test ........................83 8.6 Reactive Power ......................85 8.7 Active Power ......................87 8.8 Check Firmware Version ..................88...

  • Page 5: About This Manual

    The products, services or features purchased are subject to the commercial contracts and terms of Solinteg. All or part of the products, services or features described in this document may not be within the scope of purchase. This document serves only as a guide to use, and all statements, information and recommendations in this document do not constitute any express or implied guarantee.

  • Page 6: Revision Record

    User Manual M2HS-3~6K series Indicates a hazard with a high level of risk that, if not avoided, will result in death or serious injury. DANGER Indicates a hazard with a medium level of risk that, if not avoided, could result in death or serious injury. WARNING Indicates a hazard with a low level of risk that, if not avoided, could result in minor or moderate injury.

  • Page 7: Safety Instructions

    Please read this manual carefully before transporting, storing, installing, operating, using and maintaining the equipment, adhere to safety cautions in this manual and equipment. Solinteg Power Co., Ltd. has the right not to undertake quality assurance in any of the following circumstances: ① Damages caused by improper transportation.

  • Page 8: General Safety Statements

    User Manual M2HS-3~6K series ⑤ Do not touch the equipment during the operation since the temperature of some parts of the equipment may exceed 60℃ . Touch after the equipment cooling down. ⑥ Install the equipment out of reach of children and small animals. 2.3 General Safety Statements ① Please strictly follow the content of the manual for proper operation. ② Please strictly comply with local regulations for electrical connections. ③ Please disconnect the electricity while installing the equipment. Live-line operation is prohibited. ④ Please ground the equipment prior to installation. When removing the equipment, detach the grounding protective wire as the final step. ⑤ Please select proper cable size according to the local regulation and requirements from this manual. ⑥ During the installation of the device, ensure that the cables are firmly connected and the screws are tightened properly. ⑦ Any cable damages must be replaced by a professional to avoid risks. ⑧ Please disconnect the power source before connection of power or communication cables. Live-line operation is strictly prohibited.

  • Page 9: Product Description

    User Manual M2HS-3~6K series Product Description The Solinteg M2HS-3~6K series inverter is also known as single-phase hybrid inverter or single-phase storage inverter, which is mainly used to combine the PV array, lithium battery, loads and power grid to realize intelligent power management and dispatching. The M2HS-3~6K series hybrid inverter includes 6 models which are listed below: M2HS- 3K-30，M2HS-3.6K-30，M2HS-4.2K-30，M2HS-4.6K-30，M2HS-5K-30，M2HS-6K-30. The M2HS-3~6K inverter is available in two versions. Version 1: Features a Integral Battery Plug terminal on the left side for quick connection to Solinteg EBA batteries. Consult the Solinteg service team for details on EBA batteries. Version 2: The Integral Battery Plug terminal on the left side is not included. 3.1 System Overview...

  • Page 10: Appearance

    Hanger Used to hang the inverter on the wall-mounting bracket. Integral Battery Plug(optional) Used for quick connection of the Solinteg EBA series batteries. DC switch Used to safely disconnect the DC circuit. Used for connecting stacked Solinteg EBS series batteries or Battery input terminal pre-matched batteries from other brands.

  • Page 11: Symbols On The Inverter

    User Manual M2HS-3~6K series 3.3 Symbols on the Inverter Symbol Description TÜV mark of conformity. CE mark, the inverter complies with the requirements of the applicable CE guidelines. RCM mark To avoid the potential effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment, end- users of electrical and electronic equipment should understand the meaning of the crossed-out wheeled bin symbol.

  • Page 12: Operation Modes

    M2HS-3~6K series 3.4 Operation Modes Solinteg M2HS Hybrid inverter has the following six basic operation modes: General Mode, Peak Shifting, Feed-in Mode, Backup Mode, ToU Mode, Off-grid Mode. Users can set the operation mode through the inverter display menu, monitoring web and monitoring App.
  • Page 13 User Manual M2HS-3~6K series Peak Shifting Loads EXPmax(kVA): Expected Max. import power from the utility grid. PV generation supply priority: PV powers load, battery and utility grid sequentially. Grid Loads EXPmax(kVA): Expected Max. import power from the utility grid. Load consumption priority: PV, utility grid(EXPmax) and battery sequentially.
  • Page 14 User Manual M2HS-3~6K series Feed-in Mode Loads When the PV power is sufficient, it will be dispatched in the following sequence: loads first, the grid second, and the battery last. PV→Loads→Grid→Battery Grid Loads When the PV power is insufficient, the PV and the battery will supply loads together.
  • Page 15 User Manual M2HS-3~6K series Backup Mode Loads In this operation mode, the inverter will use power from the PV and the grid to charge the battery until it is fully charged, and any excess power will supply the loads. The battery will not discharge as long as the grid is available.
  • Page 16 User Manual M2HS-3~6K series ToU Mode Users can set different operation modes within a time group. The modes available for setting within a Time of Use (ToU) time group include General Mode, Battery Charge, PV Charging, Peak Shifting, Feed-in Mode, and Battery Discharge.
  • Page 17 User Manual M2HS-3~6K series Off-grid Mode Back-up Loads In the off-grid mode, when the PV power is sufficient, it will supply the back-up loads first and then charge the battery if there's surplus power. PV→Back-up Loads→Battery No Grid Back-up Loads When the power from PV is insufficient, the battery will discharge to supply back-up loads together with PV.

  • Page 18: Back-Up/Off-Grid Statement

    The M2HS-3~6K inverter, when operating in Off-grid mode, it will automatically stop the power supply to the Back-up side if there is no available energy from the PV or the battery. Solinteg is not liable for CAUTION any responsibility for any consequences arising from non-compliance with this instruction.

  • Page 19: Power Derating Statement

    User Manual M2HS-3~6K series up. To guarantee the the loads can start and run properly, avoid from starting the following typical devices simultaneously. Load Load Name Reason Characteristic During load start-up, the high inrush current demanded could exceed the inverter's peak High inrush current output capacity. Even if the load's current at start-up Chainsaws, pumps, among others. power rating is within the inverter's specified (Motor loads) Off-grid operational capabilities, successful...

  • Page 20: Unpacking And Storage

    The device is thoroughly tested and strictly inspected before delivery. Nonetheless, damage may still occur during shipping. For this reason, please conduct a thorough inspection after receiving the device. Please contact Solinteg or the transport company in case of any damage or incompleteness, and provide photos to facilitate services.

  • Page 21: Storage Considerations

    User Manual M2HS-3~6K series COM2 multi-function connector (1 pcs) CT connector (1 pcs) COM3 multi-function connector (1 pcs) User Manual 10m meter communication cable (1 pcs) Grounding OT terminal (1 pcs) User Manual 3m BMS communication cable (1pcs) 4.2 Storage Considerations ① Please store the inverter in the original packages.

  • Page 22: Installation

    User Manual M2HS-3~6K series Installation 5.1 Location ① The M2HS-3~6K series inverters are designed with IP65 protection enclosure for indoor and outdoor installations. ② The inverter must be mounted on a wall capable of bearing its weight. ③ Please do not install the inverter on drywall or any other wall with poor sound insulation. ④ Install the inverter at eye level for easy inspection of screen data and further mainte- nance. ⑤ The inverter must be installed out of reaching for children. ⑥ The inverter should be installed in a well-ventilated environment for good heat dissipation. ⑦ The inverter should be installed in a place where the temperature is between -30° C and +60° C, and the humidity is between 0% and 100%. ⑧ The inverter should be installed in a location that is not over 3000 meters in altitude. ⑨ Do not expose the inverter to direct sunlight, nor to rain or snow. Do not put flammable and explosive articles around the inverter. WARNING...
  • Page 23 User Manual M2HS-3~6K series 5.1.1 Installation Spacing Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation. ≥500mm ≥300mm ≥300mm ≥500mm In case of multiple inverters, reserve specific clearance between the inverters. ≥300mm ≥300mm ≥300mm ≥300mm 5.1.2 Installation Angle Install the inverter vertically.

  • Page 24: Installation Tools & Materials

    User Manual M2HS-3~6K series 5.2 Installation Tools & Materials When installing the inverter, please wear professional protective equipment. Electric Drill Electric Screw Driver Hammer Cross Screw Driver Tape Measure Goggle Mark Pencil Spirit Level Insulation Gloves 5.3 Mounting the Inverter ① Level the assembled inverter bracket by using the level, and mark the positions for drilling holes on the wall. Drill the holes by using a hammer drill.

  • Page 25: External Ground Connection

    User Manual M2HS-3~6K series ③ Lift the inverter and align the mounting bolts on the inverter with the grooves on the backplate bracket. Following the direction of the arrow, first move downward, then to the left to slide the mounting bolts into the grooves, thus completing the installation. Rear view ④ Secure the inverter with M5 screws. 5.4 External Ground Connection Connect the inverter and ground bar through PE wire to achieve the purpose of grounding protection. Please always remember wiring the PE wire before wiring other wires. Do not connect the N-wire as a protective ground wire to the inverter casing.
  • Page 26 User Manual M2HS-3~6K series According to the French UTE C15-712-1 standard, the inverter's grounding conductor should be connected to the equipotential bonding point via a conductor with a minimum cross-sectional area of CAUTION 6mm² of copper (Cu) or an equivalent conductor (PE conductor), and it should also be connected to the protective conductor of the AC part.

  • Page 27: Electrical Connection

    User Manual M2HS-3~6K series Electrical Connection 6.1 Safety Instructions When installing the inverter, please make sure that both the AC and DC sides of the inverter are completely de-energized to prevent high voltage in the conductive parts of the inverter from causing injury to DANGER personnel or damage to equipment.
  • Page 28 User Manual M2HS-3~6K series Do not use other brands or other types of terminals other than the terminals in the accessory package. Solinteg has the right to refuse all CAUTION damages caused by the mixed-use of terminals. Moisture and dust can damage the inverter, ensure the cable gland is securely tightened during installation.

  • Page 29: Electrical Wiring Diagram

    M2HS-3~6K series 6.2 Electrical Wiring Diagram System Connection Diagram This diagram shows Solinteg M2HS-3~6K series hybrid inverter wiring structure and composition, concerning the real project, the installation and wiring have to be in line with the local standards. Inverter connects with Smart Meter...
  • Page 30 User Manual M2HS-3~6K series Inverter connects with a single CT AC Breaker AC Breaker...
  • Page 31 User Manual M2HS-3~6K series Electrical Connection Diagram This diagram is an example without special requirement on electrical wiring connection. Neutral line of AC supply can be isolated or switched. Applicable to most countries. Inverter connects with Smart Meter BACK-UP ON-GRID 1(L1) 2(L2) 3(L3)
  • Page 32 User Manual M2HS-3~6K series Inverter connects with a single CT ON-GRID BACK-UP...
  • Page 33 User Manual M2HS-3~6K series This diagram is an example for Australia and New Zealand. Neutral line of AC supply must not be isolated or switched, and the neutral line of grid side and Back-up side must be connected together according to the wiring rules AS/NZS_3000. Otherwise, BACK-UP func- tion will not work. Inverter connects with Smart Meter BACK-UP ON-GRID 1(L1) 2(L2) 3(L3) 4(N) 5(L1-S1) 6(L1-S2) 7(L2-S1) 8(L2-S2) 9(L3-S1) 10(L3-S2) 11(PE)
  • Page 34 User Manual M2HS-3~6K series Inverter connects with a single CT BACK-UP ON-GRID...
  • Page 35 User Manual M2HS-3~6K series With an integrated universal residual current communication module, the inverter will disconnect immediately from the mains once a fault current with a value exceeding the limit is detected. However if an external residual current device (RCD) (type A is recommended) is manda- tory, the switch must be triggered at the residual current 300mA. RCD of other specifications can also be used according to local standard. The electrical wiring diagram provides the following recommendations for the selection of circuit breakers and residual current devices (RCD). Please select based on actual site conditions and local regulations M2HS- M2HS- M2HS-...

  • Page 36: Preparation Of Wiring Tools And Materials

    User Manual M2HS-3~6K series 6.3 Preparation of Wiring Tools and Materials Before proceeding with electrical connections, please prepare the following items: ① Inverter accessory kit. ② Wiring tools: Wire strippers Wire cutters Crimping pliers RJ45 connector crimping pliers Multimeter Screwdriver (DC range >1100V) ③ Cables: AC cables, DC cables, communication cables, grounding cables. (Please prepare suitable cables according to actual conditions.) 6.4 AC Connection Before making the connection of AC cable, please confirm all DC & AC power source are disconnected from the inverter.
  • Page 37 User Manual M2HS-3~6K series The Solinteg M2HS-3~6K series single-phase hybrid inverter applies to the single-phase power grid with a voltage of 220V/230V/240V and NOTE a frequency of 50/60Hz. Connect the inverter to the grid only after getting an approval from the local electric power company.
  • Page 38 User Manual M2HS-3~6K series 6.4.2 Wiring Procedure High voltage may be present in inverter! DANGER Ensure all cables are voltage-free before electrical connection. DANGER Do not connect the AC circuit breaker until all inverter electrical connections are completed. DANGER Please distinguish the On-grid and Back-up connector, and don't mix up the On-grid connector and Back-up connector when making the NOTE connection.
  • Page 39 User Manual M2HS-3~6K series ③ Insert the stripped end of the three wires into the corresponding hole of the terminal head. Tighten the screws using an allen socket wrench to secure the cables. Please try to pull out the cable to make sure it is well connected. Allen Ke y ④ According to the arrow direction push the threaded sleeve to make it connected with the AC terminal head and then rotate the cable gland clockwise to lock it. ⑤ Connect the AC connector to the inverter AC terminal. Push the connector to the end, the slight click shows that the connection is in the place.
  • Page 40 User Manual M2HS-3~6K series Back-up AC side ① Take the Back-up AC connector out of the accessory bag and disassemble it. Press ② According to the section 6.4.1, select an appropriate cable, peel the insulation sleeve of AC cable off for 30mm, and peel off the end of L/N/PE wires for 10mm.(the multi- coremulti-strand copper wire cable needs to be riveted to the cord end terminal). 10mm 30mm ③ Insert the stripped end of the three wires into the corresponding hole of the terminal head. Tighten the screws using an allen socket wrench to secure the cables. Please try to pull out the cable to make sure it is well connected. Allen Key...
  • Page 41 User Manual M2HS-3~6K series ④ According to the arrow direction push the threaded sleeve to make it connected with the AC terminal head and then rotate the cable gland clockwise to lock it. ⑤ Connect the AC connector to the inverter AC terminal. Push the connector to the end, the slight click shows that the connection is in the place. Remove AC terminal Rotate the interface bolt counterclockwise to unlock, and then pull out the AC connector. First, use a flathead screwdriver to push the termina in the direction of the arrowl . Then rotate the interface bolt counterclockwise to unlock, and pull out the connector.

  • Page 42: Pv String Connection

    User Manual M2HS-3~6K series 6.5 PV String Connection When exposed to sunlight, the PV array generates dangerous high DC voltage. Please operate according to our instructions, or it will result in DANGER danger to life. Do not reverse the positive and negative poles of the PV string. Please check the polarity of the PV string first, and after ensuring the correct polarity, connect the PV string to the corresponding terminals of the WARNING...
  • Page 43 User Manual M2HS-3~6K series 6.5.1 PV Side Requirements Preparation of Materials Please select the appropriate cable specifications based on actual conditions. The recommended specifications are as follows: Name Outer diameter Conductor cross-section DC Cable 5.9-8.8 mm 4 mm （12AWG）or 6mm （10AWG） System Layout of Units with external DC Switch ① Local standards or regulations may require that PV systems install an external DC switch on the DC side of the inverter to ensure isolation.

  • Page 44: Assembling The Pv Connector

    User Manual M2HS-3~6K series 6.5.2 Wiring Procedure Before assembling the DC connector, make sure that the cable polarity is correct. WARNING Assembling the PV Connector ① Peel off the DC cable insulation sleeve for 7 mm. ② Disassemble the PV connector in the accessory bag. Please distinguish U-profile pin (PV terminal) and O-profile pin (Battery terminal). Recommended for crimping U-profile pin with "Phoenix NOTE CRIMPFOX-RC 10 - Indent crimping pliers"...
  • Page 45 User Manual M2HS-3~6K series ④ Insert the positive and negative cables into the corresponding positive and negative connectors, pull back the DC cable to ensure that the terminal is tightly attached in the connector. ⑤ To ensure proper sealing of the terminal, use an open-end wrench to securely tighten the nut to the end. Open-end Wrench Installing the PV Connector ① Rotate the DC switch to "OFF" position. ② Check whether the cable polarity of the PV string is correct. The maximum input voltage for the PV string is 550V. If the voltage of PV string ranges from 550V to 580V, the inverter will enter standby mode. Exceeding 580V will result in inverter damage. 550.0 ＋ ﹣...

  • Page 46: Battery Connection

    For details on the battery side connections and configurations, consult the instructions supplied by the battery manufacturer. When connecting the Solinteg EBA battery using the integral battery plug, please refer to the EBA battery manual for the connection method.
  • Page 47 NOTE The inverter only works with batteries listed in our compatibility list; otherwise, the system will not function properly. For a list of compatible batteries with our inverters, please contact the Solinteg NOTE service team to obtain it. 6.6.1 Battery Side Requirements The M2HS-3~6K inverter is compatible with high-voltage lithium iron phosphate (LFP) batteries equipped with a BMS (Battery Management System) module.
  • Page 48 User Manual M2HS-3~6K series ① Peel off the battery cable insulation sleeve for 10 mm. 10mm ② Disassemble the battery connector in the accessory bag. 10mm 10mm Please distinguish U-profile pin (PV terminal) and O-profile pin (Battery terminal). Recommended for crimping O-profile pin with "Phoenix NOTE CRIMPFOX 10S - Square crimping pliers" ③ Insert the battery cable through into the metal terminal of the connector and press the terminal with a professional crimping plier (pull back the cable with some power to check if the terminal is well connected to the cable). 6-16 mm² Phoenix CRIMPFOX 10S...

  • Page 49: Meter And Ct Connection

    The communication between battery and inverter is RJ45 interface cable. For detailed connection instructions, refer to Section 6.9.3 "Battery Communication". 6.7 Meter and CT Connection Solinteg M2HS-3~6K hybrid system requires the installation of a smart meter and current transformers (CTs) to enable functions such as load consumption, power limit, and power dispatching. Solinteg offers two wiring methods.
  • Page 50 User Manual M2HS-3~6K series 6.7.1 M2HS-3~6K Connection with a Single CT The inverter connects to the CT via the bottom CT terminal. The CT should be installed on the L line between the grid and the On-grid side load. Please refer to the following schematic diagram for connecting the CT. Utility Grid 002456 Utility meter for...
  • Page 51 User Manual M2HS-3~6K series There are three different models of CT. When placing an order, customers should select the appropriate CT based on actual conditions, including the load and the power rating of the inverter. Specification Inside diameter Rated input current CT Ratio D16-120A φ...
  • Page 52 S2(Yellow) Load Grid AC Breaker Loads Use only smart meters compatible with Solinteg systems. Connecting non-approved meters may result in certain features not functioning NOTE properly. Install a circuit breaker in the AC side loop of the smart meter. NOTE Please install the CT following the arrow marking on it (Loads→Grid).
  • Page 53 User Manual M2HS-3~6K series The terminals definitions for the Solinteg RMM single-phase smart meter are as follows Item Definition Function L/N connect to grid to detect power grid voltage *-S1 To detect the CT current and direction Ground connection RS485-1 RS485 RS485-2 Communicate with hybrid inverter Type-C The wiring diagram is as follows:...

  • Page 54: Communication Module Connection

    The communication between meter and inverter is RJ45 interface cable. For detailed connection instructions, refer to Section 6.9.2 "Meter Communication". 6.8 Communication Module Connection The Solinteg M2HS-3~6K inverter is currently only work with the R2MD communication module. The communication module is shipped together with the inverter in the accessory box.

  • Page 55: Communication Connection

    User Manual M2HS-3~6K series 6.9 Communication Connection The M2HS-3~6K inverter communicates with external devices through the ports in COM2 and COM3. Port definitions for the COM2 multi-function connector FRONT BACK Port Function Remark EMS 485A Communicate with the EMS device EMS 485B Stop+ Connect the Emergency Stop device.
  • Page 56 M2HS-3~6K series Port definitions for the COM3 multi-function connector FRONT BACK Port Function Remark Solink1 For parallel system communication between Solinteg hybrid inverters, or RJ45 for connections with other Solinteg devices Solink2 BMS1 Communicate with the battery RJ45 BMS2 Reserved Synchronization signal termination resistor for parallel systems.
  • Page 57 User Manual M2HS-3~6K series RJ45 terminal connection sequence and definition as below: Color Solink 1 Solink 2 BMS 1 BMS 2 DRED/RCR Meter Orange & White Sync+ Sync+ RS485_A3 DRM1/5 Orange Sync- Sync- RS485_B3 DRM2/6 Green & White Power- Power- Encode_B DRM3/7 RS485_B2...
  • Page 58 User Manual M2HS-3~6K series 6.9.1 Wiring Procedure Assembling the Multi-function Connector ① Unscrew the swivel nut from the connector. COM2 COM3 ② Take out the terminal block. Press COM2 Press COM3 ③ Remove the seal and lead the cable through the cable gland. COM2 COM3...
  • Page 59 User Manual M2HS-3~6K series COM2 Connector Wiring The COM2 connector contains quick-connect (spring-loaded/screwless) ports and RJ45 ports. The following steps are for wiring the quick-connect ports. ① Thread the cable of appropriate length through the swivel nut and the housing. Remove the cable jacket and strip the wire insulation. Cross-sectional Area 0.5~1.5mm 55mm ② (Optional) When using a multi-core multi-strand copper wire cable, twist the wires together by hand into a bundle and then press them into the terminal. In case of single- strand copper wire, skip this step.
  • Page 60 User Manual M2HS-3~6K series ③ In accordance with the terminal specifications, use a flathead screwdriver to press down the clamp on the wiring terminal, insert the cable into the terminal's aperture, and then release the clamp to complete the connection. Loosen Press ④ Pull the wires outward to check whether they are firmly installed. Insert the terminal block into the connector until it snaps into place with an audible click. Click...
  • Page 61 User Manual M2HS-3~6K series COM3 Connector Wiring The COM3 connector contains only RJ45 ports. ① Use an RJ45 crimping tool to attach an RJ45 connector. ② Thread the RJ45 plug of appropriate length through the swivel nut, and insert it into the open side of the rubber gasket. Insert one side of the RJ45 plug into the RJ45 port of terminal block. Open side Click ③ Insert another side of the communication cable into the communication port of the external device. Insert the COM2 and COM3 connectors into the corresponding ports of the inverter.
  • Page 62 M2HS-3~6K series 6.9.2 Meter Communication The inverter communicates with the smart meter through the RS485 communication line. The communication cable is shipped together with the inverter in the accessories box. NOTE The wiring diagram is as follows. Solinteg RMM Meter COM2 RJ45 terminal of Meter connection sequence and definition as below: RJ45 Color METER Orange & White Orange Green &...
  • Page 63 User Manual M2HS-3~6K series 6.9.3 Battery Communication The inverter communicates with the BMS of the battery through the CAN communication line. RJ45 terminal of BMS 1 connection sequence and definition as below: RJ 45 Color BMS 1 Orange & White RS485_A3 Orange RS485_B3...
  • Page 64 The EV charger should be well grounded. Otherwise, it will affect the communication between the EV charger and the inverter. CAUTION The EV charger should be Solinteg ECA-B single-phase series . NOTE The wiring diagram is as follows: RS 485...
  • Page 65 DRED DRED (Demand Response Enabling Device) interface is special reserved for Australia and New Zealand according to their safety regulation, and Solinteg doesn't provide the DRED device for the customer. The inverter supports the demand response modes as specified in the standard AS/NZS 4777.
  • Page 66 M2HS-3~6K series RCR (Ripple Control Receiver) interface is special reserved for Germany and some other European countries according to their safety regulation, and Solinteg doesn't provide the RCR device for the customer. In Germany and some European areas, a ripple control receiver is used to convert a power grid dispatching signal to a dry contact signal.
  • Page 67 (NO) or normally closed (NC) contact according to NOTE their system requirements. 6.9.7 Load Control When paired with additional control device, Solinteg M2HS-3~6K inverter can achieve load control functions, including control for SG-ready heat pumps. For more details on additional control device, please contact Solinteg service team.
  • Page 68 User Manual M2HS-3~6K series 6.9.8 Parallel System The following instances demonstrate wrong practices in parallel operation. Back-up Loads ① Back-up sides of inverters cannot connect in ② Single PV string cannot connect to multiple parallel. inverters. ③ One meter cannot be connected to multiple ④ One battery bank cannot be connected to inverters.

  • Page 69: Commissioning

    User Manual M2HS-3~6K series Commissioning 7.1 App Preparation ① Install the Cloud monitoring App with latest version. ② Register an account on the Cloud monitoring App. If you have got the account and password from the distributor/installer or Solinteg, skip this step. 7.2 Inspection Before Commissioning Check the following items before starting the inverter: ① All equipment has been reliably installed. ② DC switch and AC circuit breaker are in the "OFF" position. ③ The ground cable is properly and reliably connected. ④ The AC cable is properly and reliably connected. ⑤ The DC cable is properly and reliably connected. ⑥ The communication cable is properly and reliably connected. ⑦ The vacant terminals are sealed. ⑧ No foreign items, such as tools, are left on the top of the machine or in the junction box (if there is). ⑨ The AC circuit breaker is selected in accordance with the requirements of this manual and local standards.

  • Page 70: Stop The Inverter

    User Manual M2HS-3~6K series ⑥ After the inverter is started, please refer to the [Quick Installation Guide] for instructions on network configuration and other settings. If the inverter does not work properly, check the country code and battery ID Settings. ① Select the safety code suitable for the country (region) where the NOTE inverter is installed at. ② Select the battery ID suitable for the battery is installed. CT AUTO TEST FUNCTION M2HS-3~6K hybrid inverter has the function of detecting the installa- tion direction and phase sequence of CT.

  • Page 71: Operation

    Green The inverter communicates with EMS or Master Flashing inverter through RS485 or CAN. Communication Indicator The inverter isn't communicating with Solinteg Orange Always on smart meter. Always on The inverter isn't communicating with the BMS. Display the inverter's operational status, parameter settings, etc.

  • Page 72: Oled Display

    User Manual M2HS-3~6K series 8.2 OLED Display Main Screen Item Description Display the inverter's basic information, operating status, parameter settings, etc. Display the battery SOC (State of Charge). Status code of inverter. Please refer to Section 10.1 "Status code in waiting". 8.3 Button Symbol Button...

  • Page 73: Screen Menu

    User Manual M2HS-3~6K series 8.4 Screen Menu 8.4.1 Main Screen Inverter in On-grid status: V-Ipv½ BAT Parameter *Inverter Grid Voltage 600V 500V Working Status 230V 500V Charg. Ppv1/2 6000W 5000W Product Frequency Grid Current Model 50Hz Wait Inverter in Off-grid status: V-Ipv½...
  • Page 74 User Manual M2HS-3~6K series Item Description V-lp1/2 PV input voltage and current of each MPPT Ppv1/2 PV input power of each MPPT BAT Parameter Battery Parameter Charg Battery charge Dischg Battery discharge Gird Voltage Single-phase AC voltage (On-Grid status) Backup Voltage Single-phase AC voltage (Off-Grid status) Grid Current Inverter output current (On-Grid status).
  • Page 75 User Manual M2HS-3~6K series 8.4.2 Setting Menu Inverter OLED Screen Menu OffGrid SOCProt OffGrid SOCProt Safety Set Safety Set OffGrid EndSOC OffGrid EndSOC Battery_ID Set Battery_ID Set FW Version FW Version Auto Test Auto Test WorkMode Set WorkMode Set Serial Number Serial Number Auto Test Rec Auto Test Rec...

  • Page 76: System Info

    User Manual M2HS-3~6K series After setting, select "Yes" to save the settings, or select "No" to cancel the operation or not save the settings. NOTE Save the result? Save the result? ***After setting, ***After setting, Select “Yes” to save the result. Select “Yes”...
  • Page 77 User Manual M2HS-3~6K series General Set RSSI RSSI *RSSI *RSSI <General> <General> Modbus Addr Modbus Addr Modbus Addr Modbus Addr General Set General Set <General> <General> Time Set Time Set Time Set Time Set 12:00:00 12:00:00 <General> <General> <General> <General> <General>...

  • Page 78: Advanced Set

    User Manual M2HS-3~6K series Advanced Set Advanced InPut Incorrect Password Verify Fail **** Correct <Advanced> <Advanced> <Advanced> Safety Set Safety Set Safety Set Safety Set Safety Code 1 Safety Code 2 Safety Code N <Advanced> <Advanced> <Advanced> Battery_ID Set Battery_ID Set Battery_ID Set Battery_ID Set Battery ID 1...
  • Page 79 User Manual M2HS-3~6K series From the previous page <Advanced> <Advanced> OffGrid SOCProt OffGrid SOCProt OffGrid SOCProt <Advanced> OffGrid EndSOC OffGrid EndSOC Auto Test Auto Test <Advanced> <Advanced> <Advanced> System Maint. System Maint. System Maint. System Maint. Restart Stop Startup <Advanced> <Advanced>...
  • Page 80 Item Description Please select the safety code according to local regulatory requirements, or Safety Set contact the installer or Solinteg service team (service@solinteg.com). Select the battery model. Battery_ID Set Select the correct battery ID. Otherwise, communication between the inverter and the battery will be abnormal.
  • Page 81 User Manual M2HS-3~6K series Item Description When operating off-grid, after overload protection, the inverter will stop the Offgrid ReCon output on the back-up side and then restart within the set time period. Set max allowed power from grid (under the condition of Peakload Shifting is SetMaxGrid on).
  • Page 82 User Manual M2HS-3~6K series Item Description The N and PE shorting function on the Back-up side in the off-grid operation N-PE Check status. Shadow Scan MPPT Shadow Scan Function Switch. Select the control mode for the digital input signal, OFF: Disable. DI Ctrl DRM: Demand Response Modes (for Australia and New Zealand).

  • Page 83: Auto Test

    User Manual M2HS-3~6K series 8.5 Auto Test This function is disabled by default, and will be only functional in the safety code of Italy. Auto Test can be enabled through the inverter's screen menu. The Auto Test will start when the correct test item is selected, and the test result will be displayed on the screen when it finished.
  • Page 84 User Manual M2HS-3~6K series View test records for auto test: Select the relevant test items, and after waiting for a period, the test records will be displayed. Auto Test <Advanced> Auto Test Record <Advanced> IPS Item Test Null <Advanced> 59.S1 Test VacSet:253.0V IPS Item Vac: 236.2V...

  • Page 85: Reactive Power

    This mode can be enabled via configuration software. It is enabled by default in some regions, such as AU, DE market. For information on how to change default setpoints please contact Solinteg service team. Descriptions of reactive power regulation mode:...
  • Page 86 User Manual M2HS-3~6K series 8.6.3 "Qt" Mode In the Qt mode, system reactive power is fixed, and the inverter outputs reactive power based on the Fixed Q (in Pn%) ratio. The setting range of the reactive power ratio is -60%~60%, corresponding to the ranges of inductive and capacitive reactive power regulation respectively.

  • Page 87: Active Power

    User Manual M2HS-3~6K series Parameter Explanation Range QU_V1 Grid voltage limit at P1 on the Q(U) mode curve 80%~100% QU_Q1 Value of Q/Sn at P1 on the Q (U) mode curve 0~60% QU_V2 Grid voltage limit at P2 on the Q(U) mode curve 80%~100% QU_Q2 Value of Q/Sn at P2 on the Q (U) mode curve...

  • Page 88: Check Firmware Version

    User Manual M2HS-3~6K series P/Sn PU_P1 PU-P2 Grid Voltage PU-V1 PU-V2 8.8 Check Firmware Version The flow chart how to check firmware version on OLED display is following: FM Version Main Screen System Info FW Version V1.00 8.9 Grid Parameter The inverter can check and adjust grid code, reactive and active modes setpoints via monitoring platform.
  • Page 89 User Manual M2HS-3~6K series ② Enter "Basic parameters" menu and check "Safety code settings" (Grid Code). ③ Enter "Protection Parameters" and "Grid Connection Parameter" menu under "Grid Connection Parameter" and check grid protection settings setpoints.
  • Page 90 User Manual M2HS-3~6K series ④ Enter "Reactive mode" menu under "Reactive power control" menu and check reactive mode setpoints.
  • Page 91 User Manual M2HS-3~6K series ⑤ Enter "Voltage related active power P(U)" menu and check active mode setpoints. ⑥ Once the installers or operators have finished modifying the relevant parameters, they need to enter a password after clicking "Set" Please reach out to Solinteg or the installer for the password.

  • Page 92: Di Ctrl

    Please enter the password to adjust grid code, protection parameters setpoints, grid connection parameter setpoints, reactive modes and active modes setpoints. To obtain the password, please contact Solinteg. Once the grid code and setpoints have been set at CAUTION commissioning, these settings will be locked and cannot be edited unless a password is entered.

  • Page 93: Monitoring

    For instructions on using the R2MD, please refer to the [Quick Installation Guide]. 9.2 Cloud Monitoring IntegHub APP Solinteg inverter provides a communication port that can collect and transmit data from the inverter to Solinteg monitoring platform via an external communication module. IntegHub APP also includes a local Bluetooth configuration function.

  • Page 94: Troubleshooting

    User Manual M2HS-3~6K series Troubleshooting Solinteg M2HS-3~6K series hybrid inverter is designed in accordance with grid operation standards, and conform to the requirements of safety and EMC. The inverter had passed a series of rigorous tests to ensure it runs sustainably and reliably before shipment. 10.1 Status Code in Waiting Code Description WorkMode Abnormal Emergency Stop DC Abnormal Mains Abnormal OffGrid Disable Battery Abnormal Enable Stop Command Low SOC or No PV OffGrid Cmd PowerLimit OverFreq PowerLimit...

  • Page 95: Error Message And Solution

    User Manual M2HS-3~6K series 10.2 Error Message and Solution When a fault occurs, the corresponding error message will be shown on the OLED display, and in this case, the inverter might stop feeding into grid. The fault messages and their corresponding troubleshooting methods are listed below: Error Message Description...
  • Page 96 User Manual M2HS-3~6K series Error Message Description Solution 1.Restart the inverter. Comm. Sampling Fault AD port sampling interrpution. 2.Seek help from the installer or manufacturer. 1.Check if the DC input voltage is out of range. BAT Voltage Fault Battery voltage exceeds the upper limit. 2.Check if the battery shuts down when the fault occurs.
  • Page 97 User Manual M2HS-3~6K series Error Message Description Solution 1.Check whether the ground cable wiring is correct. The ground cable is losse or in poor N-PE Check Fault connection on back-up side. 2.If grounding is unnecessary, N-PE check function can be disabled. 1.Restart the inverter.
  • Page 98 User Manual M2HS-3~6K series Error Message Description Solution The internal fan is borken, the power Check whether the fan is blocked by External Fan Fault supply is insufficient. foreign matters, clean them if necessary. 1.Check whether the DC input voltage exceeds the limit.

  • Page 99: Operation And Maintenance

    DC side of the inverter, if you want to maintain the DC side, you must stop the power and disconnect the DC switch before maintenance. Any arbitrary replacement of internal components is forbidden. Please seek help from Solinteg for maintenance support. Otherwise, CAUTION Solinteg will not take any responsibility.

  • Page 100: Battery Maintenance

    User Manual M2HS-3~6K series Routine maintenance: Items Methods Period System clean Check dust or foreign matter on the heat-sink, air inlet and outlet. Once 6-12 months Electrical connection Check whether the cables are in good connection. Once 6-12 months Check whether all the terminals and ports are properly sealed. Seal inspection Once a year Reseal the cable hole if it is aging or not sealed.

  • Page 101: Common Questions

    3. Can low-voltage batteries be connected to the hybird inverter? Answer: No, only high-voltage lithium (LiFePO4) batteries that are compatible with Solinteg M2HS-3~6K hybrid inverter can be connected. 4. Can 18A high current PV modules be connected to the hybird inverter ? Answer: Yes.

  • Page 102: Appendix

    User Manual M2HS-3~6K series Appendix 13.1 Technical Parameters M2HS- M2HS- M2HS- M2HS- M2HS- M2HS- 3K-30 3.6K-30 4.2K-30 4.6K-30 5K-30 6K-30 PV Input Start-up voltage (V) Max. PV input voltage 580* 580* 580* 580* 580* 580* (V)* Rated PV input voltage Operating voltage 70-550* 70-550*...
  • Page 103 User Manual M2HS-3~6K series M2HS- M2HS- M2HS- M2HS- M2HS- M2HS- 3K-30 3.6K-30 4.2K-30 4.6K-30 5K-30 6K-30 Grid Side/On-grid Rated output power (kW) Max. output power (kW) Rated output apparent power (kVA) Max. output apparent power (kVA) Rated output voltage L/N/PE, 220/230/240V Rated output 50/60 frequency (Hz)
  • Page 104 User Manual M2HS-3~6K series M2HS- M2HS- M2HS- M2HS- M2HS- M2HS- 3K-30 3.6K-30 4.2K-30 4.6K-30 5K-30 6K-30 Rated output apparent power (kVA) Max. output apparent power (kVA) Rated output current 13.6/13/12.5 16.4/15.7/15 19.1/18.3/17.5 20.9/20/19.2 22.7/21.7/20.8 27.3/26.1/25 Max. output current (A) 13.6 16.4 19.1 20.9...
  • Page 105 User Manual M2HS-3~6K series M2HS- M2HS- M2HS- M2HS- M2HS- M2HS- 3K-30 3.6K-30 4.2K-30 4.6K-30 5K-30 6K-30 AC over-voltage Integrated protection Overload protection Integrated AC short-circuit Integrated protection General Data Over voltage category II(PV+Battery), III(Mains) Dimensions (mm) 445×400×197(W*H*D) Weight (KG) Ingress protection IP65 IP65 IP65...

  • Page 106: Contact Information

    • Serial number of the device • Date of the device • Fault code/name • Brief description of the problem China (HQ) Wuxi Solinteg Power Co., Ltd. Address: Building 10, No. 52-2 Changjiang South Road, Xinwu District, Wuxi, China Website:www.solinteg.com Service Mail: service@solinteg.com...
  • Page 107 www.solinteg.com...

This manual is also suitable for:

Integ m m2hs-3.6k-30Integ m m2hs-4.2k-30Integ m m2hs-4.6k-30Integ m m2hs-5k-30Integ m m2hs-6k-30

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