SAJ H2 Series User Manual
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SAJ H2 Series User Manual

Hybrid solar inverter
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H2 Series
H2
Series
SAJ 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
H2-5~10K-S3
V1.1

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  • Page 1 H2 Series Series SAJ 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 H2-5~10K-S3 V1.1...
  • Page 2 H2 Series Preface Thank you for choosing SAJ products. We are pleased to provide you first-class products and exceptional service. This manual includes information for installation, operation, maintenance, trouble shooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and wholehearted service.

  • Page 3: Table Of Contents

    H2 Series TABLE OF 4.2 Installation Method and Position ........................15 4.2.1 Installation Position and Clearance ..................15 4.2.2 Mounting Method ........................16 CONTENTS 4.3 Mounting Procedure ............................. 17 4.3.1 Installation Tools.......................... 17 4.3.2 Mounting Procedure ........................18 5. ELECTRICAL CONNECTION ......................... 21 5.1 Additional Grounding Cable ..........................
  • Page 4 H2 Series 6.4.4 Inverter Setting Review ......................46 6.4.5 Remote Monitoring ........................47 6.5 Working Modes ..............................47 6.5.1 Selecting Working Modes Procedures .................. 47 6.5.2 Working Modes Instruction ...................... 47 6.6 Export Limit Setting ............................. 48 6.6.1 APP Setting ........................... 49 6.7 Self-test (For Italy) ..............................
  • Page 5 H2 Series 1.1 Scope of Application This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ products: H2-5K-S3; H2-6K-S3; H2-7K-S3; H2-8K-S3; H2-10K-S3-A; H2-10K-S3 1.2 Safety Instructions DANGER · DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 6 SAJ is not responsible for the loss and these warranty claims. ·The SAJ inverter must only be operated with PV generator. Do not connect any other source of energy to the SAJ inverter.
  • Page 7 H2 Series 2.2 Explanations of Symbols Symbol Description Dangerous electrical voltage This device is directly connected to public grid, thus all work to the battery shall only be carried out by qualified personnel. No open flames Do not place or install near flammable or explosive materials.
  • Page 8 3.1 Application Scope of Products H2 series is a hybrid photovoltaic inverter and it is applicable to both on-grid and off-grid solar systems. The energy generated by PV system will be fed to loads first, and then the surplus energy can charge the battery for later use, if there is still excess more energy, it will be exported to the grid.
  • Page 9 H2 Series 3.3 Overview of Product Code Name DC Switch DC Input DC Input DC Input Battery Input BMS/ CAN/ EMS/ METER/ DRM CT/ Inverter Parallel port Release Valve 4G/ Wi-Fi Ground Connection Grid Backup Table 3.1 Figure 3.1 Terminals description Dimensions of inverter 3.4 Terminals Description...
  • Page 10 H2 Series 3.5 Datasheet Model H2-5K-S3 H2-6K-S3 H2-7K-S3 H2-8K-S3 H2-10K-S3-A H2-10K-S3 Max. Output Current [A] 21.7 26.1 30.5 34.8 43.5 43.5 Model H2-5K-S3 H2-6K-S3 H2-7K-S3 H2-8K-S3 H2-10K-S3-A H2-10K-S3 Peak Output Apparent Power [VA] 6000,60s 7200,60s 8400,60s 9600,60s 12000,60s 12000,60s DC Input...
  • Page 11 4.1 Unpacking and Inspection 4.1.1 Checking the Package Although SAJ’s products have thoroughly tested and checked before delivery, there is possibility that the products may suffer damages during transportation. Please check the package for any obvious signs of damage, and if such evidence is present, do not open the package and contact your dealer as soon as possible 4.1.2 Scope of Delivery...

  • Page 12: Installation Method And Position

    H2 Series 4.2 Installation Method and Position 4.2.2 Mounting Method 4.2.1 Installation Position and Clearance This device is cooled by natural convention and suggested an indoor installation or an installation under a sheltered place to prevent the product from exposure to direct sunlight, rain and snow erosion.

  • Page 13: Mounting Procedure

    H2 Series 4.3.2 Mounting Procedures • Do not install the device at daily working or living arears, including but not limited to the following areas: bedroom, lounge, living room, study, toilet, bathroom, theater and attic. 1. Mark the Positions of the Drill Holes on the Rear Panel •...
  • Page 14 H2 Series 4. Mount the Inverter 4- ∅ 8 Carefully mount the inverter into the rear panel as shown in Figure 4.7. Make sure that the rear part of the equipment is closely mounted into the rear panel. Figure 4.5 Drill holes for installation Figure 4.7...

  • Page 15: Electrical Connection

    H2 Series 5.1 Additional Grounding Cable Electrical connection must only be operated by professional technicians. Before connection, necessary protective equipment must be employed by technicians, including insulating gloves, insulating shoes and safety helmet. WARNING · Connect this additional grounding cable before other electrical connection.

  • Page 16: Ac Grid Wire And Backup Output Connection

    H2 Series Figure 5.2 Figure 5.3 Connecting the additional Thread the cables grounding cable Step 2: Fix the cables according to conductor marks of L, N and PE. 5.2 AC Grid Wire and Backup Output Connection Cable cross-sectional area（mm²） Range...

  • Page 17: Multiple Inverter Combinations

    H2 Series 5.2.2 Earth Fault Alarm Step 3: Secure all parts of the grid and backup connector tightly. This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring. If an Earth Fault Alarm occurs, the ring light will be lit up in red and error code <31> will be displayed on LED panel 1 until the error being solved and inverter functioning properly.

  • Page 18: Pv Connector Assembly

    H2 Series 5.3.1 PV Connector Assembly 3. Assembly the positive and negative cables with corresponding crimping pliers. WARNING Dangerous to life due to electric shock when live components or DC cables are touched. · The PV panel string will produce lethal high voltage when exposed to sunlight. Touching live DC cables results in death or lethal injures.

  • Page 19: Communication Connection

    H2 Series 6.Make sure the DC switch is at OFF position 5.4 Communication Connection Note: 1) Confirm that the DC switch is OFF during installation to avoid short circuit caused by wrong operation during battery wiring. 2) Please use the battery cable in original package.

  • Page 20: Connecting Battery Power Cable

    H2 Series Plug in the communication module to 4G/WIFI port and secure the module by rotating the nut. 1. 4G/Wi-Fi port could be externally connected with eSolar 4G module, eSolar Wi-Fi module or eSolar AIO3 module, for operation in details please refer to communication module Quick Installation Guide in https://www.saj-electric.com/ .
  • Page 21 H2 Series 3.Fix the battery cable on the battery copper terminal by positive and negative in order. Figure 5.14 Open the waterproof cover 2.Strip off the insulation skin of DC cable, the core is exposed to 15mm, Figure 5.15 • Open the spring using a 3mm wide bladed screwdriver Connecting battery power cables •...

  • Page 22: System Connection

    H2 Series 5.8 System Connection The system connection for grid system without special requirements is as below. Note：The backup PE line and earthing bar must be grounded properly. Otherwise, backup function may be The system connection in Australia and New Zealand is as below, the neutral cable of AC and backup side inactive during blackout.

  • Page 23: System Connection Diagram

    H2 Series 5.9 System Connection Diagram Note: If the RS485 cable length between inverter and meter is longer than 20m, please install the 120Ω resistor in port 24&25 of the meter. 5.10 AFCI (Optional) 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: Start Up And Shut Down The Energy Storage System

    H2 Series 6.1 Start Up and Shut Down the Energy Storage System 6.1.1 Start Up Step 1: Turn on the circuit breaker Step 2: Press and hold the main switch for 2-3s，until the display is on 6.1.2 Shut Down Automatically shut down, when the solar light intensity is not strong enough during sunrise and sunset or the output voltage of photovoltaic system is less than the minimum input power of inverter, inverter will shut down automatically.

  • Page 25: Commissioning

    H2 Series Description LED indicator Status Description LED indicator Status On 1s, off 3s Meter communication is lost, BMS communication is good Communication LED off Inverter power off Both meter and BMS communication are lost Solid Connected Breathing Inverter is at initial state or standby state...

  • Page 26: Local Connection

    H2 Series 6.4.2 Local Connection Step 1: Open eSAJ APP and click on the dot icon on the top right corner Step 2: Select “Local Connection” Step 3: Enter password “123456” Step 4: Click on “Bluetooth” and activate the Bluetooth function on your phone, then click on “Next”...

  • Page 27: Protection Parameter Setting

    H2 Series 6.4.4 Inverter Setting Review After commissioning, the device info including device basic info, running info and event info can be viewed. Country and grid code ，power quality response modes and grid connection settings can be viewed from initial setting.

  • Page 28: Remote Monitoring

    H2 Series battery can only be charged, until SOC reaches reserved value, the battery will be stopped charging; when SOC is larger 6.4.5 Remote Monitoring than SOC setting value, battery will behave as Self-use mode. Connect the internet via the eSolar AIO3 module, and upload the inverter data onto the...

  • Page 29: App Setting

    Step 3: You can choose self-test item required. Individual self-test time is approx. 5 minutes. All self-test time is approx. 40 minutes. After the self-test is completed, you can save the test report. If self-test is failed, please contact with SAJ or your...

  • Page 30: Setting Reactive Power Control (For Australia)

    H2 Series 6.8 Setting Reactive Power Control (For Australia) 6.8.1 Setup Fixed Power Factor Mode & Fixed Reactive Power Mode Fixed Power Factor Mode Step 1: Select Power Adjustment and enter password “201561”. Step 2: Select Capacitive Power Factor or Inductive Power Factor according to your local grid regulation. The power factor...

  • Page 31: Setup V-Watt And Volt-Var Mode

    H2 Series Fixed Reactive Power Mode Figure 6.2 Curve for a Volt-Watt response mode (AS4777 Series) Figure 6.3 Curve for a Volt-Var control mode (AS4777 Series) Step 1: Select Inductive Adjustment Var or Capacitive Var according to your local grid regulation. The power range is from Setting procedure：...
  • Page 32 H2 Series Note: With regard to the Power rate limit 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. 1. Soft ramp up after connect. 2. Reconnect or soft ramp up/down following a response to frequency disturbance.

  • Page 33: Transportation And Disposal

    H2 Series 7.1 Transportation Take care of the product during transportation and storage, keep less than 4 cartons of inverter in one stack. 7.2 Recycling and Disposal This device should not be disposed as residential waste. An inverter that has reached the end of its life and is not required to be returned to your dealer, it must be disposed carefully by an approved collection and recycling facility in your area.

  • Page 34: Routine Maintenance

    H2 Series Inverter Cleaning Clean the enclosure lid and LED indicator of the inverter with moistened cloth with clear water only. Do not use any cleaning agents as it may damage the components. Heat Sink Cleaning Clean the heat sinks with dry cloth or air blower. Do not clean the heat sink with water or cleaning agents.
  • Page 35 H2 Series Troubleshooting Code Fault Information Code Fault Information Master Islanding Error Master Relay Error Master HW Bus Voltage High Master EEPROM Error Master HW PV Current High Master Temperature High Error Master Self-Test Failed Master Temperature Low Error Master HW Inv Current High Lost Communication M<->S...
  • Page 36 Slave PV Input Mode Error Warranty Slave HW PV Curr High Slave PV Voltage High Slave HW Bus Volt High Please go to SAJ website for warranty conditions and terms Lost Communication D<->C https://www.saj-electric.com/ Master Arc Device Error Master PV Mode Error...

This manual is also suitable for:

H2-5k-s3H2-6k-s3H2-7k-s3H2-8k-s3H2-10k-s3-aH2-10k-s3

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