SAJ H2 Series User Manual
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SAJ H2 Series User Manual

Hybrid solar inverter
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Hybrid Solar Inverter User Manual
H2
Series
HYBRID SOLAR INVERTER
USER MANUAL
H2-(5K-10K)-T2
Tel: (86)20 66608588
Fax: (86)20 66608589
Web: www.saj-electric.com
GUANGZHOU SANJING ELECTRIC
Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China
V1.2

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  • Page 1 Hybrid Solar Inverter User Manual Series HYBRID SOLAR INVERTER USER MANUAL H2-(5K-10K)-T2 Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com GUANGZHOU SANJING ELECTRIC Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China V1.2...
  • 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 CONTENTS 4.5.2. Installing the Communication Module ..............................25 4.6. Connecting the BMS ........................................26 4.7. Assembling the PV-side Electrical Connection ..............................30 SAFETY PRECAUTIONS ......................................1 4.8. Earth Fault Alarm .......................................... 32 1.1. Application Scope ........................................... 2 4.9.
  • Page 4 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: ⚫ H2-5K-T2 ⚫ H2-6K-T2 ⚫ H2-8K-T2 ⚫ H2-10K-T2 Please read the user manual carefully before any installation, operation and maintenance and follow the instruction during installation and operation.
  • Page 5 1.2.2. Symbol Explanation • 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 6 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 7 Hybrid Solar Inverter User Manual 2.4. Datasheet H2-(5K, 6K, 8K, 10K)-T2 MODEL H2-5K-T2 H2-6K-T2 H2-8K-T2 H2-10K-T2 M6*50 screw *4 Communication module *1 Smart meter *1 Current transformer *3 M5*12 screw *2 Plastic expansion tube *4 PV String Input Gasket *4 Max.
  • Page 8 Hybrid Solar Inverter User Manual MODEL H2-5K-T2 H2-6K-T2 H2-8K-T 2 H2-10K-T2 Total Harmonic Distortion of Voltage <3% Peak Output Apparent Power [VA] 10000, 60s 12000, 60s 16000, 60s 16500, 60s Efficiency Max. Efficiency 98.0% Euro Efficiency 97.6% MPPT Efficiency >99.9% Max.
  • Page 9 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 10 Hybrid Solar Inverter User Manual 3.1. Installing the Inverter Mark positions for the four holes of the mounting bracket on the wall. Note: If required, reserve enough distance at the inverter bottom for installing the metal cable conduits. √ √ ×...
  • Page 11 Hybrid Solar Inverter User Manual Install the mounting bracket to the wall. ① Drill four holes in the mark positions on the wall. ② Align the holes in the mounting bracket to the drilled holes in the wall. ③ Use a rubber mallet to insert the plastic expansion bolts into the holes. ④...
  • Page 12 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 13 4.4.3. Connecting the Smart Meter About this task To buy a smart meter, contact SAJ for more details. By using a SAJ-recommended smart meter, many functions can be implemented, such as the export limitation function. Connect the smart meter as shown below: Note: If the length of the RJ45 cable between the inverter and the meter exceeds 20 meters, install a 120Ω...
  • Page 14 Hybrid Solar Inverter User Manual Procedure Open the cable gland, insert cables through the hole, and connect the cables to the L1, L2, L3, PE, and N terminals. ATTENTION: (Australia only) Do NOT connect the PE terminal of the BACK-UP port. ATTENTION: If the grid cables are not connected correctly, an error “Master Grid Phase Error”...
  • Page 15 Hybrid Solar Inverter User Manual BMS/CAN DRMs RS485 DRM 1/5 DRM 2/6 DRM 3/7 CANH DRM 4/8 CANL RefGen 6 Com/DRM 0 7 RS485-A2+ 8 RS485-B2- EMS/METER PORT0 PORT1 1 RS485-A1+ 2 RS485-B1- Procedure Loosen the waterproof cover from the inverter. Loosen the nut from the cable gland on the waterproof cover.

  • Page 16: Connecting The Bms

    4.5.2. Installing the Communication Module -- End About this task 4.6. Connecting the BMS 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. About this task Name Description For connections to lithium batteries, no breaker is required between the batteries and the inverter.
  • Page 17 Hybrid Solar Inverter User Manual ⚫ Prepare the cables according to the below specifications: Tighten the nuts on the positive and negative cable connectors. Specification Range Recommend value Conductor cross-sectional area of cables (mm² ) 4.0 – 6.0 External diameter (mm) 4.0 –...

  • Page 18: Assembling The Pv-Side Electrical Connection

    Hybrid Solar Inverter User Manual 4.7. Assembling the PV-side Electrical Connection Depending on your battery types, the cable connection might be different, as shown below. Inverter About this task ⚫ The inverter cannot be used with functionally earthed PV arrays. BMS/CAN BAT+ BAT- ⚫...

  • Page 19: Earth Fault Alarm

    Hybrid Solar Inverter User Manual Procedure Insert the positive and negative cables through the hole in the waterproof cover. (This cover has been used in battery connection.) Use a 3-mm wide-bladed screwdriver to strip the insulation layer around 8 to 10 mm length from one M4*10 end of each cable.

  • Page 20: System Application Diagram

    Hybrid Solar Inverter User Manual NOTES: 4.10. System Application Diagram The sequence of the grid cable must be connected correctly; otherwise, an error “Master Grid Phase ⚫ CT wire Corresponding port in the meter Error” will be occurred. For details, refer to Chapter 7 “Troubleshooting”. If this error occurs, switch the IA (white) position of L2 and L3 cables.

  • Page 21: 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 22: Shutting Down The Inverter

    Hybrid Solar Inverter User Manual 5.2. Shutting Down the Inverter LED icon Status Description The inverter is powered off. Automatic shutdown Breathing The inverter is in initial state or standby state. The inverter will be automatically shut down when all the following conditions are met: Solid on The inverter is running properly.

  • Page 23: 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 24 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 25: 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 26: 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 27: 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 28 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 29 Hybrid Solar Inverter User Manual Code Fault Information Code Fault Information Master Relay Error Master Fan1 Error Master EEPROM Error Master Fan2 Error Master Temperature High Error Master Fan3 Error Master Temperature Low Error Master Fan4 Error Lost Communication M<->S Lost Communication between Master and Meter GFCI Device Error Lost Communication between M<->S...

  • Page 30: Port

    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:

H2-5k-t2H2-6k-t2H2-8k-t2H2-10k-t2

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