SAJ H2 Series User Manual
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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
H2-(3K-6K)-S2
GUANGZHOU SANJING ELECTRIC
Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China
V1.0

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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 H2-(3K-6K)-S2 GUANGZHOU SANJING ELECTRIC Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China V1.0...
  • 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 CONTENTS 4.3.1. Installing a Circuit Breaker ......................................12 4.3.2. Installing an RCD (optional) ....................................... 12 4.4.1. Connecting the Smart Meter ..................................12 SAFETY PRECAUTIONS ......................................1 4.3.3. Connecting the Grid and Backup Loads ..............................12 1.1.
  • Page 4 Hybrid Solar Inverter User Manual 8.2. Transportation ..........................................29 8.3. Warranty ............................................29 8.4. Contacting Support ........................................29 8.5. Trademark ............................................29...

  • Page 5: Safety Precautions

    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: ⚫ H2-3K-S2 ⚫ H2-3.6K-S2 ⚫ H2-4K-S2 ⚫ H2-5K-S2 ⚫ H2-6K-S2 Illustrations in this documentation might look different from your product.

  • Page 6: Symbol Explanation

    Do not stay close to the inverter while there are severe weather conditions including storm, lighting, etc. • Before opening the housing, the SAJ inverter must be disconnected from the grid and PV generator; you must wait for at least five minutes to let the energy storage capacitors completely discharged after disconnecting from power source.

  • Page 7: Product Information

    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 H2 inverter can significantly improve the self-consumption rate of the solar energy and lower the dependency on the grid.

  • Page 8: Package Contents

    Hybrid Solar Inverter User Manual 2.3. Package contents 2.4. Dimension When you receive your package, verify that the shipment contains everything that you expected to receive. Contact after sales if there are missing or damaged components. The package includes the following items: Inverter *1 Smart meter *1 Current transformer *1...

  • Page 9: Ports

    Hybrid Solar Inverter User Manual 2.5. Ports 2.6. Datasheet Model H2-3K-S2 H2-3.6K-S2 H2-4K-S2 H2-5K-S2 H2-6K-S2 PV String Input Max. PV Array Power [Wp]@STC 4500 5400 6000 7500 9000 Max. DC Voltage[V] MPPT Voltage range [V] 90 - 500 Nominal DC Voltage [V] Start Voltage/Min.
  • Page 10 Hybrid Solar Inverter User Manual Model H2-3K-S2 H2-3.6K-S2 H2-4K-S2 H2-5K-S2 H2-6K-S2 Model H2-3K-S2 H2-3.6K-S2 H2-4K-S2 H2-5K-S2 H2-6K-S2 Grid Frequency / Range [Hz] 50, 60 Battery Quick Connector Total Harmonic Distortion [THDi] < 3% (at nominal power) AC Output Plug-in connector Power Factor [cos φ] 0.8 leading –...

  • Page 11: Installation

    Hybrid Solar Inverter User Manual 3.1. Precautions For safety, be sure to read all the safety instructions carefully prior to any works and observe the appropriate rules and regulations of the country or region where you installed the energy storage system. DANGER •...

  • Page 12: Installation Location Requirements

    Reserve enough clearance around the inverter to ensure a good air circulation at the installation area, Although SAJ’s products have thoroughly tested and checked before delivery, there is possibility that the especially when multiple inverters need to be installed in the same area.

  • Page 13: Preparing Installation Tools

    Hybrid Solar Inverter User Manual 3.4. Preparing Installation Tools 3.5. Installing the Inverter Installation tools include but are not limited to the following recommended ones. Please use other auxiliary Mark positions for the four holes of the mounting bracket on the wall. tools on site if necessary.
  • Page 14 Hybrid Solar Inverter User Manual Install the mounting bracket to the wall. Carefully mount the inverter into the mounting bracket. Tighten the screw to secure the inverter. ① Drill four holes in the mark positions on the wall. ② Use a rubber mallet to insert the plastic expansion bolts into the holes. ③...

  • Page 15: Electrical Connection

    Hybrid Solar Inverter User Manual 4.1. Safety Instructions Electrical connection must only be operated on by professional technicians. Operators must be aware 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 16: Installing A Circuit Breaker

    To buy a smart meter, contact SAJ for more details. the screw hole in the OT/DT terminal. Connect the grounding cables as the following diagram. By using a SAJ-recommended smart meter, many functions can be implemented, such as the export limitation function.

  • Page 17: Assembling The Communication Connection

    Hybrid Solar Inverter User Manual 4.4. Assembling the Communication Connection Procedure Strip the insulation (8 – 10 mm length) on the cable ends. 4.4.1. Connecting the Communication Cables Loosen the cable gland of the AC waterproof cover. About this task Insert AC cables through the cable gland.

  • Page 18: Installing The Communication Module

    Insert the communication module to the 4G/WIFI port. Secure the module by rotating the nut. -- End 4.4.2. Installing the Communication Module -- End About this task H2 series hybrid inverter has an RS232 communication port integrated. For the USB port with the Wi-Fi module, refer to the Wi-Fi module user manual.

  • Page 19: Connecting The Bms

    Hybrid Solar Inverter User Manual 4.5. Connecting the BMS Insert the cable ends to the corresponding sleeves. Use a crimping plier to assembly the cable ends. About this task ⚫ Read the safety instructions first before operations. WARNING The electrical connection of high voltage battery systems must be operated by qualified technicians in accordance with Insert the assembled cable ends into the blue positive and negative battery connectors.

  • Page 20: Assembling The Pv-Side Electrical Connection

    Hybrid Solar Inverter User Manual Connect the cables from the BMS to the BAT+ and BAT- ports on the inverter. 4.6. Assembling the PV-side Electrical Connection -- End About this task Depending on your battery types, the cable connection might be different, as shown below. Inverter Read the safety instructions first before operations.
  • Page 21 Hybrid Solar Inverter User Manual Prerequisite Procedure ⚫ The PV array is properly insulated to ground before it is connected to the inverter. Insert the positive and negative cables through the hole in the PV/battery cover. (This cover has been used in battery connection.) ⚫...

  • Page 22: Earth Fault Alarm

    Hybrid Solar Inverter User Manual 4.7. Earth Fault Alarm Connect the positive and negative cable connectors into the positive and negative PV ports on the inverter. After you hear a “click” sound, the cables are firmly connected. This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an earth fault alarm occurs, the ring light on the inverter LED panel will be lit up in red and an error code <31>...

  • Page 23: System Application Diagram

    Hybrid Solar Inverter User Manual 4.10. Multi-Inverter Combinations 4.9. System Application Diagram CT wire Corresponding port in the meter IA (white) IA (blue) The inverter should not be installed in multiple phase combinations. If any such multiple inverter combination is not tested, it should not be used or external devices should be used in accordance with the requirements of AS/NZS 4777.1 NOTES: ⚫...

  • 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 LED icon Status Description Solid on In good communication with both the BMS and the meter The inverter is powered off. On 1s, off 1s In communication with the meter but lost communication with the Breathing* The inverter is in initial state or standby state.

  • Page 26: Commissioning

    Hybrid Solar Inverter User Manual 6.1. Installing the eSAJ Home App The eSAJ Home App can be sued 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 “eSAJ Home” 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. Click 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. Reviewing the Inverter Settings Corresponding modification of protection parameters will take effect only after saving. After the above configurations, view the device information. Example: ⚫ Device info: Basic Info, Running Info, and Event Info ⚫...

  • Page 29: Configuring The Export Limit

    Hybrid Solar Inverter User Manual 6.7. Configuring the Export Limit Two methods are available to control the export limit. You can use either of them to implement the export limit settings. Method 1: Export limitation setting is to control the export electricity to the grid. Method 2: Generation limit is to control the electricity generated by the inverter.

  • Page 30: Setting The V-Watt And Volt-Var Modes

    Hybrid Solar Inverter User Manual 6.8.2 Setting the V-Watt and Volt-Var Modes Fixed power factor mode This inverter complies with AS/NZS 4777.2: 2020 for power quality response modes. The inverter satisfies different regions of DNSPs' grid connection rules requirements for volt-watt and volt-var Settings. e.g.: AS4777 series setting as shown below.
  • Page 31 Click V-Watt/V-Var to enter the DNSPs settings. Choose a suitable state regulation from the drop-down list. Notes: Regarding to the power rate limitation mode, SAJ sets the product WGra to 16.67% Pn by default in the following cases according to the requirements of 3.3.5.2 as 4777.2: 2020. Soft ramp up after connection.

  • Page 32: Troubleshooting

    Hybrid Solar Inverter User Manual For any errors reported as below, contact the after-sales for service support. The operations and maintenance must be performed by authorized technicians. Code Fault Information Code Fault Information Code Fault Information Master Relay Error Bus Voltage Balance Error Slave Phase1 Voltage Low Master EEPROM Error Master Bus Voltage High...

  • Page 33: Appendix

    Check the product warranty conditions and terms on the SAJ website: https://www.saj-electric.com/ 8.4. Contacting Support Guangzhou Sanjing Electric Co., Ltd. Address: SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. Postcode: 510663 Website: https://www.saj-electric.com/ Technical Support & Service...

This manual is also suitable for:

H2-3k-s2H2-3.6k-s2H2-4k-s2H2-5k-s2H2-6k-s2

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