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Summary of Contents for marvelTech MHSI-3K-02HP1
- Page 1 MHSI-02HP1-3~8KW USER MANUAL...
- Page 2 1. Preface 1.1 Overview 2. Safety Instructions 2.1 Safety Notes 2.2 Statement 2.3 Important Safety Matters 2.4 Symbols Explanation 3. Product Introduction 3.1 Basic Features 3.2 Appearance Introduction 3.3 Display Interface 3.4 Packing List 4. Product Installation 4.1 Selection of Installation Location 4.2 Mounting the Inverter (standard bracket) 4.3 Mounting the Inverter ( Including L-shaped plate ) 4.4 Electrical Connection...
- Page 3 1 Preface 1.1 Overview This manual is an integral part of Marvel MHSI-02HP1-3~8KWseries single-phase high-voltage hybrid inverters (hereinafter referred to as the hybrid inverters). It mainly introduces the as sembly, installation, electrical connection, debugging, maintenance and troubleshooting of the products. Before installing and using hybrid inverters, please read this manual carefully, understand the safety information and be familiar with the functions and characteristics of hybrid inverters.
- Page 4 ④Damages caused by failure to comply with the instructions and safety warnings in the 2 Safety Instructions products and documents. ⑤Damages caused by running in an environment that doesn't meet the requirements which 2.1 Safety Notes stated in the documents. ①Before installation, you should read this manual carefully and follow the instructions in this manual strictly.
- Page 5 Used to transmit the safety warning information about equipment or environment, if not avoided, it may cause equipment damage, data loss, equipment performance degrada Grounding symbol, the inverter casing needs to be properly grounded. tion or other unpredictable results. "Attention" does not involve personal injury. Attention Used to highlight important information, best practices and tips, etc.
- Page 6 3 Product Introduction Symbol Description 3.1 Basic Features The surface is hot during operation and no touch is allowed. 3.1.1 Function Electric shock hazard, it is strictly forbidden to use the person to Marvel MHSIis also known as hybrid inverter or storage inverter, which is mainly used to combine the disassemble the inverter casing.
- Page 7 3.1.4 Schematic Diagram of Hybrid System Loads will discharge to supply loads, and the grid The hybrid solar system is usually composed of the PV array, hybrid inverter, lithium battery, will join in if the battery is not enough to supply loads and power grid.
- Page 8 Loads Inverter will use power from PV and battery to supply loads in the predetermined period Loads When the loads consumption is more than the Pmax, the power exceeded Pmax from the grid. and battery secondly, if not enough. Inverter Inverter Battery Grid...
- Page 9 3.2 Appearance Introduction 3.2.3 Inverter bottom view 3.2.1 Inverter front view Battery Input Terminal Com2 Port 550mm Logo DC Switch (Optional) Back Rail Display Com1 Port DC Input Terminal Figure 3-5 Bottom view 3.2.4 Inverter back view Figure 3- 3 Front view 3.2.2 Inverter side view Back Rail 175mm...
- Page 10 3.3 Display Interface Item Indicator Status Description The inverter is running normally. Battery Level Indicator The monitoring device is not connected to the router or is Power Indicator not connected to the base station. Grid Indicator Alarm The monitoring device is connected to the router or con Alarm Indicator Indicator nected to the base station but not connected to the server.
- Page 11 Expansion Bolt PV Terminal Back-Up Terminal On-Grid Terminal Back Up AC Terminal×1 On Grid AC Terminal×1 Cord End Terminal×4 Cord End Terminal×4 Expansion Bolt× 5 PV Terminal× 2 Monitoring Device (Optional) L-shaped Plate (Optional) AC Cover Meter Meter with 1 CT×1 Monitoring Device ×...
- Page 12 4 Product Installation 4.1 Selection of Installation Location Warning The series is designed with IP65 protection for indoor and outdoor in stallations. When selecting an inverter installation location, the following factors should be considered: 4.1.2 The requirements for inverter installation spacing are shown in Figure 4-2: ①The wall on which the inverter is mounted must be strong and can withstand the weight of the inverter for a long time.
- Page 13 4.2 Mounting the Inverter (Standard bracket) Before drilling, make sure to avoid the buried water tube and electric wires in the wall to 4.2.1 Wall bracket installation avoid danger. Warning Dimensions of wall bracket, see Figure 4-4: 300mm wall with expansion screws by using a cross screwdriver, as shown in Figure 4-6: 150mm 150mm 150mm...
- Page 14 ② 4.3 Mounting the Inverter（Including L-shaped plate） Bracket assembly 4.3.1 Wall bracket installation plate to the mounting bracket. Dimensions of wall bracket, see Figure 4-8: 300mm 150mm 150mm Figure 4-10 Bracket assembly 150mm ③ Use an electrical driller with 10mm diameter bit to drill 5 holes in the wall with 80mm depth. Figure 4-8 Dimensions of wall bracket Before drilling, make sure to avoid any buried water tube and electric wires in the wall.
- Page 15 4.4 Electrical Connection 4.3.2 Mounting the inverter A high voltage in the conductive part of the inverter may cause an electric shock. When the L-shaped plate (The lock is purchased separately). See Figure 4-12 for details: performing any installation on the inverter, make sure that the AC and DC sides of the inverter are completely de-energized.
- Page 16 Single inverter wiring diagram This diagram is an example without special requirement on electrical wiring connection. Neutral line of AC supply can be isolated or switched. To Battery AC Breaker 1(L) AC Breaker 4(N) AC Breaker To Meter 5(L-S1) Meter 6(L-S2) Power Meter Figure 4-8...
- Page 17 This diagram is an example for Australia and New Zealand. Neutral line of AC supply must 4.4.2 External ground connection not be isolated or switched. Connect the inverter and ground bar through PE wire to achieve the purpose of grounding protection.
- Page 18 ③Disassemble the connector in the accessory bag, as shown in Figure 4-18: 4.4.3 Inverter PV string connection 1. The following principles must be considered when making electrical connections to the inverter: ①Disconnect the AC breaker on the grid side. ②The DC switch of the inverter must be turned to the "OFF" position. ③The number and type of the PV panels connected in the two strings of one MPPT must be same.
- Page 19 4.4.4 Inverter battery connection 1. The following principles must be considered when making battery connection: Open-end Wrench ①Disconnect the AC breaker on the grid side. ②Disconnect the breaker on the battery side. ③Turn the inverter DC switch to the “OFF” position. ④Make sure the maximum input voltage of battery is within the inverter limitation (135~750V).
- Page 20 ①Before making the battery connector, please make sure the polarity of the cable is correct. ②Use a multimeter to measure the voltage of the battery pack and make sure the voltage Warning is within the inverter limitation and the polarity is correct. ⑥Insert the positive and negative connector into the inverter battery terminals respectively, and a “click”...
- Page 21 The recommended AC cable and AC breaker for series single-phase hybrid inverter are as Figure 4-28: shown in the following table: Conductor core section Model Outside diameter (mm) Breaker (A) (mm²) MHSI-3K-02HP1 12-18 4-10 ON-GRID MHSI-3.6K-02HP1 12-18 4-10 BACK-UP MHSI-4.2K-02HP1...
- Page 22 ⑥Lock the AC connector cover to the inverter with screws, as shown in Figure 4-32: ④ Lock the well-pressed cord end terminals into the AC connector in the accessory bag and make sure the cables sequence is in line with the mark on the connector, as shown in Figure 4-30: Figure 4-32 Figure 4-30...
- Page 23 Main Switch/Breaker Function Grid Switch/Breaker NULL L/N connect to grid to detect Normal Loads Figure 4-34 CT connection diagram power grid voltage NULL CT installation direction and phase sequence should strictly follow the instruction in the user manual, otherwise, the inverter may not be working normally. Attention L-S1 The CT has to be corresponding with the port in the meter, and the connection between...
- Page 24 4.5 Communication Connection 4.5.1 Communication wiring illustration Type All communication ports are hidden behind the communication terminal at the bottom of METER Communicate with Meter inverter which including Meter port, CAN port, BMS port, EMS port, RLYOUT port, DRED port, as shown in Figure 4-37、4-38.
- Page 25 4.5.3 Communication between inverter and battery 4.5.2 Communication between inverter and meter The communication between meter and inverter is an RJ45 interface cable. A 3M length battery communication The communication between meter and inverter is an RJ45 interface cable. A 10M length meter communication cable is already attached to the inverter when you received it, and you just need to insert it to the BMS cable is already attached to the inverter when you received it and this cable could be extended up to 100M.
- Page 26 ①An EMS communication cable needs to be connected when to control the operation of a hybrid inverter through the EMS, and communication between EMS and inverter is RS485. Inverter Figure 4-45 DRED terminal ： RS485_B RS485_A RS485_B RS485_A COM/DRMO REFGEN DRM4/8 DRM3/7 DRM2/6...
- Page 27 ： 5 Start and Stop 5.1 Start Inverter COM/DRMO REFGEN When starting the inverter, follow these steps: ①Turn the DC switch in the inverter bottom to the “ON” position. 4.6 Monitoring Device Installation ②Turn on the lithium battery switch. hybrid inverter can be monitored through either WiFi Plug the WiFi module into the Com1 port in the bottom of inverter by following the ④The inverter will start to check the DC and AC input parameters and self-check, and if ev direction the side with indicator is up (as shown in Figure 4-47).
- Page 28 6.1.2 LAN/WIFI Setting 6 General Operation DHCP ON 6.1 Display Operation Gateway LAN Reset DHCP Set IP Address Subnet Mask DNS Address Address When the inverter is turned on, the following interfaces will be displayed on the OLED display, Setting Setting Setting Setting...
- Page 29 Abbreviation Complete Name Inverter Display Abbreviation and Complete Name Reference Table E-Day Daily Energy Generation Abbreviation Complete Name E-Total Total Energy Generation Work Mode Current Work Mode / Work Mode Setting H-Total Total Generating Hours Peakload Shifting Peakload Shifting Function Switch System Info System Infomation SetMaxGrid kVA...
- Page 30 6.2 Auto-Test The auto test will start when the correct test item is selected, and the test result will be displayed This function is disabled by default, and only will be functional in the safety code of Italy. on the screen when it finished. If the test success, it will display “Test Pass”, otherwise will display “Test Fail”.
- Page 31 7 Troubleshooting Error Message Solution 7.1 Fault Messages ① Check if part of the PV array is sheltered. single-phase hybrid inverter is designed in accordance with grid PV Power Low operation standard, and conform to the requirements of the safety and EMC. The inverter had passed a series of rigorous tests to ensure it runs sustainably and reliably before ship - ment.
- Page 32 7.2 Maintenance Error Message Solution Risk of inverter damage or personal injury due to incorrect service! Always keep in mind that the inverter is powered by dual sources: PV strings and utility grid. Before any service work, observe the following procedure. ①...
- Page 33 MHSI-5K-02HP1 MHSI-6K-02HP1 MHSI-7K-02HP1 MHSI-8K-02HP1 Model MHSI-4.6K-02HP1 Model MHSI-4.6K-02HP1 MHSI-5K-02HP1 MHSI-6K-02HP1 MHSI-7K-02HP1 MHSI-8K-02HP1 Efficiency PV Input PV Input 97.6% 97.6% 97.6% 97.6% 97.6% Start-up Voltage (V) 97.0% 97.0% 97.0% 97.0% 97.0% Max. DC Input Voltage (V) 98.0% 98.0% 98.0% 98.0% 98.0% Rated DC Input Voltage (V) 96.6% 96.6%...
- Page 34 ①Max apparent power from the grid means the maximum power imported from the utility grid used to satisfy the backup loads and charge the battery. ② and the duration of the overload is relating to the overload power.
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