SAJ H2 Series User Manual
SAJ H2 Series User Manual

SAJ H2 Series User Manual

Hybrid solar inverter
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Hybrid Solar Inverter User Manual
H2
Series
HYBRID SOLAR INVERTER
USER MANUAL
Tel: (86)20 66608588
Fax: (86)20 66608589
Web: www.saj-electric.com
GUANGZHOU SANJING ELECTRIC CO.,LTD
Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China
H2-(10K-30K)-(T2, T3)-AU
V0.2

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  • Page 1 Hybrid Solar Inverter User Manual Series HYBRID SOLAR INVERTER USER MANUAL Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com GUANGZHOU SANJING ELECTRIC CO.,LTD Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China H2-(10K-30K)-(T2, T3)-AU V0.2...
  • Page 2 Hybrid Solar Inverter User Manual Preface Thank you for choosing SAJ products. We are pleased to provide you first-class products and exceptional service. This manual provides information about installation, operation, maintenance, troubleshooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and whole-hearted service.
  • Page 3: Table Of Contents

    Hybrid Solar Inverter User Manual TABLE OF 4.4.2. Installing an RCD (optional) ....................................26 4.4.3. Connecting the Grid and Backup Loads ................................. 26 CONTENTS 4.5. Assembling the Communication Connection ..............................28 4.6. Connecting the BMS ......................................30 4.7. Assembling the PV-side Electrical Connection ............................. 32 4.8.
  • Page 4 Hybrid Solar Inverter User Manual 8.1. Recycling and Disposal ......................................60 8.2. Transportation ........................................60 8.3. Warranty ..........................................60 8.4. Contacting Support ......................................60 8.5. Trademark ..........................................60...
  • Page 5: Application Scope

    Hybrid Solar Inverter User Manual 1.1. Application Scope This user manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ hybrid solar inverters: H2-10K-T3-AU H2-12K-T3-AU H2-15K-T2-AU H2-15K-T3-AU H2-20K-T2-AU H2-20K-T3-AU H2-25K-T3-AU H2-30K-T3-AU Please read the user manual carefully before any installation, operation and maintenance and follow the instruction during installation and operation.
  • Page 6: Symbol Explanation

    • SAJ electric shall not be liable for any loss or warranty claims arising from any unauthorized CAUTION: Risk of electric shock from energy stored in capacitor. Do not remove cover until 5...
  • Page 7: Safe Handling

    Hybrid Solar Inverter User Manual NOTICE • Public utility only. • The inverter is designed to feed AC power directly to the public utility power grid; do not connect AC output of the inverter to any private AC equipment. 1.3. Safe Handling ⚫...
  • Page 8: General Introduction

    Hybrid Solar Inverter User Manual 2.1. General Introduction The H2 series inverter is a hybrid photovoltaic inverter which is applicable to both on-grid and off-grid solar systems. The energy generated by the photovoltaic (PV) system will be fed to loads first, the surplus energy will charge the battery for later use, and if there is still excess more energy, it will be exported to the grid.
  • Page 9 Hybrid Solar Inverter User Manual 2.2. Unpacking 2.3. Dimension Pluggable terminal block PV connectors Waterproof Hexagon Philips bolt 2-pin *2 Mounting bracket H2 inverter *1 T3*6 *2 communication group M5*12 screw *5 3-pin *1 T2*4 *2 terminal cover *1 6-pin *1 Positive battery connector *2 Waterproof AC...
  • Page 10: Data Sheet

    Hybrid Solar Inverter User Manual H2-12K-T3-AU H2-20K-T2-AU Model H2-10K-T3-AU H2-15K-T2-AU H2-15K-T3-AU 2.4. Datasheet Total Harmonic Distortion [THDi] <3% Over voltage Category (OVC) AC Input [On-grid] H2-(10K-20K)-(T2, T3)-AU Rated AC Voltage/Range [V] 3+N+PE, 220/380, 230/400, 240/415; 180 - 280/312 - 485 Rated Input Frequency [Hz] 50, 60 H2-12K-T3-AU...
  • Page 11 Hybrid Solar Inverter User Manual H2-12K-T3-AU H2-20K-T2-AU H2-30K-T3-AU Model H2-10K-T3-AU H2-15K-T2-AU H2-15K-T3-AU Model H2-20K-T3-AU H2-25K-T3-AU Ambient Humidity 0 - 100%, non-condensing Max. AC Output Current to Utility Grid [A] 31.9 39.9 43.4 Altitude 4000m (>3000m Power Derating) Current Inrush [A] Noise [dBA] <50 Max.
  • Page 12 Hybrid Solar Inverter User Manual H2-30K-T3-AU Model H2-20K-T3-AU H2-25K-T3-AU AC Connection Terminal block Battery Connection Quick connector Display LED+App Communication Wi-Fi/Ethernet/4G (Optional) General Parameters Topology Non-isolated Operating Temperature Range -40℃ to +60℃ (45℃ and above with derating) Cooling Method Intelligent fan cooling Ambient Humidity (non-condensing) 0 - 100% Altitude...
  • Page 13: Installation Instructions

    Hybrid Solar Inverter User Manual DANGER • Dangerous to life due to potential fire or electricity shock. • Do not install the inverter near any inflammable or explosive items. NOTICE • This equipment meets the pollution degree. • Inappropriate or the harmonized installation environment may jeopardize the life span of the inverter. •...
  • Page 14: Mounting Procedure

    Hybrid Solar Inverter User Manual 3.2. Mounting Procedure ⚫ Install the device vertically. Do not install it forward-tilted, horizontally or upside down. 3.2.1. Installation Tools Installation tools include but are not limited to the following recommended ones. Please use other auxiliary tools on site if necessary.
  • Page 15: Mounting Procedures

    Hybrid Solar Inverter User Manual 3.2.2. Mounting Procedures Install the mounting bracket to the wall. ① Drill four holes in the mark positions on the wall. Place the mounting bracket horizontally onto the wall by using a gradienter and mark the four holes on the wall.
  • Page 16: Safety Instructions

    Hybrid Solar Inverter User Manual 4.1. Safety Instructions Electrical connection must only be operated on by professional technicians. Please keep in mind that the inverter is a bi-power supply equipment. Before connection, necessary protective equipment must be employed by technicians including insulating gloves, insulating shoes and safety helmet. DANGER •...
  • Page 17: Connecting The Grounding Cable

    Hybrid Solar Inverter User Manual 4.4. Assembling the AC-side Electrical Connection Callout Name Description DC SWITCH Direct current (DC) switch. You can turn it to OFF or ON position. 4.4.1. Installing a Circuit Breaker MPPT1 PV input For safety operation and regulation compliance, install air circuit breaker between the grid and the inverter. MPPT2 PV input MPPT3...
  • Page 18: Assembling The Communication Connection

    Hybrid Solar Inverter User Manual Procedure Open the waterproof cover, loosen the nut from the cable gland on the waterproof cover, insert the AC cable through the AC waterproof hole. Tighten the nut back to the cable gland. Connect the cables to the conductors L1, L2, L3, N, and PE. Secure the waterproof cover to the inverter. L1 L2 L3 N PE BACK-UP 4.5.
  • Page 19: Connecting The Bms

    Hybrid Solar Inverter User Manual ⚫ SAJ battery has the detection mechanism to report the insulation fault alarm. After system startup and EMS/METER RS485_PC1/RS485_PC2 commissioning, if a battery insulation error occurs, an error code <112> will be reported on the Elekeeper DRM1/5 App.
  • Page 20: Assembling The Pv-Side Electrical Connection

    Hybrid Solar Inverter User Manual ⚫ The inverter cannot be used with functionally earthed PV arrays. ⚫ A positive connector and a negative connector are provided in the accessory bag. Tighten the nuts on the positive and negative cable connectors. Before you start ⚫...
  • Page 21 Hybrid Solar Inverter User Manual Use a 3-mm wide-bladed screwdriver to strip the insulation layer around 8 to 10 mm length from one end of each cable. Insert the cables ends to the sleeves. Use a crimping plier to assembly the cable ends. Insert the assembled cables ends into the positive and negative connectors.
  • Page 22: Installing The Communication Module

    Either an eSolar 4G module, eSolar Wi-Fi module, or eSolar AIO3 module can be connected to the 4G/WIFI port. For operation details, refer to the documentation shipped in the module package or go to https://www.saj-electric.com/ for downloads. 4.9. Connect the Smart Meter Connect the smart meter as shown in section 4.11 “System Application Diagram”.
  • Page 23: System Application Diagram

    Hybrid Solar Inverter User Manual 4.11. System Application Diagram CT wire Corresponding port in the meter IA (white) IA (blue) IB (white) IB (blue) IC (white) IC (blue) 4.12. AFCI The inverter is equipped with arc-fault circuit interrupter (AFCI). With AFCI protection, when there is an arc signal on the DC side due to aging of the cable or loose contact, inverter can quickly detect and cut off the power to prevent fire, making the PV system run more safely.
  • Page 24: Startup And Shutdown

    Hybrid Solar Inverter User Manual 5.1. Starting the Inverter Prerequisite ⚫ The circuit breaker on the AC side is connected properly. ⚫ The DC circuit breaker is connected properly (if applicable). Procedure Unlock the DC switch and turn it on. Turn on the battery switch (if applicable).
  • Page 25: Shutting Down The Inverter

    Hybrid Solar Inverter User Manual Description LED indicator Status On 1s, off 1s Meter communication is good, BMS communication is lost Description LED indicator Status On 1s, off 3s Meter communication is lost, BMS communication is good The inverter is powered off. Both meter and BMS communication are lost Communication Solid on...
  • Page 26: Commissioning

    Hybrid Solar Inverter User Manual 6.1. Installing the App The Elekeeper (used to be called eSAJ Home) App can be used for both nearby and remote monitoring. It supports Bluetooth/4G or Bluetooth/Wi-Fi to communicate with the device. On your mobile phone, search for “Elekeeper” in the App store and download the App. 6.2.
  • Page 27 Hybrid Solar Inverter User Manual If you do not have an account, register first. a. Tap Register. Choose whether you are an owner or an installer or distributor. b. Follow the instructions on the screen to complete the registration. Use the account and password to log in to the App. Go to the Tool interface and select Remote Configuration.
  • Page 28: Setting The Protection Parameters

    Hybrid Solar Inverter User Manual 6.3. Setting the Protection Parameters 6.4. Viewing the Country and Grid Compliance The following parameters are set based on local safety rules and regulations. You can view or change the country and grid compliance after initialization. Example: Corresponding modification of protection parameters will take effect only after saving.
  • Page 29: Viewing The Inverter Settings

    Hybrid Solar Inverter User Manual 6.5. Viewing the Inverter Settings 6.7. Selecting the Working Mode After the above configurations, view the device information. Select one of the working modes based on your needs: ⚫ Device info: Basic Info, Running Info, and Event Info On Basic Info: You can view the inverter firmware version, including Display Board Version (ARM) and Control Board Version.
  • Page 30: Configuring The Export Limit

    In typical household scenarios, no need to change these default parameter values. If you really need to change them, before any modifications, contact SAJ for consultation and ensure that you have necessary electric knowledge and are fully...
  • Page 31 For example, AS4777 series setting is as shown below. Notes: Regarding to the power rate limitation mode, SAJ sets the product WGra to 16.67% Pn by default in the following cases Figure 6. 1 according to the requirements of 3.3.5.2 as 4777.2: 2020.
  • Page 32: Routine Maintenance

    7.1. Routine Maintenance To ensure that the system can operate properly for a long term, routine maintenance is recommended. To purchase the routine maintenance service, contact the installer, distributor, or SAJ after sales. Check item Check method...
  • Page 33: Error Code

    Hybrid Solar Inverter User Manual parameters are correctly set during Master Phase3 Voltage Low Lost Com. H<->S Err operation. Lost Communication between Grid Voltage 10Min High inverter and PV Meter Electrical Check whether cables 6 months after the first commissioning Off Grid Output Voltage Low Slave Phase1 Voltage High connection...
  • Page 34: Appendix

    Call for assistance: For SAJ support telephone numbers, see https://www.saj-electric.com/locations for your region support details. Head Quarter: Guangzhou Sanjing Electric Co., Ltd. Address: SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. APPENDIX Tel: +86 20 6660 8588 Website: https://www.saj-electric.com/ 8.5.

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