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
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
V0.0

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Summary of Contents for SAJ H2 Series

  • 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 V0.0...
  • 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 4.4.2. Installing an RCD (optional) ....................................22 4.4.3. Connecting the Grid and Backup Loads ................................. 22 CONTENTS 4.5. Assembling the Communication Connection ..............................24 4.6. Connecting the BMS ......................................26 4.7. Assembling the PV-side Electrical Connection ............................. 28 4.8.

  • Page 4: 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 5: Symbol Explanation

    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: 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 7: Data Sheet

    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 8 Hybrid Solar Inverter User Manual Model H2-10K-T3-AU H2-12K-T3-AU H2-15K-T2-AU H2-15K-T3-AU H2-20K-T2-AU Model H2-10K-T3-AU H2-12K-T3-AU H2-15K-T2-AU H2-15K-T3-AU H2-20K-T2-AU Max. Output Current [A] 14.5 17.4 21.8 21.8 29.0 DC Input 30000,3s Max. PV Array Power [Wp]@STC 20000 24000 30000 30000 30000 Peak Output Apparent Power [VA] 15000,3S 18000,3S 22500,3s...
  • Page 9 Hybrid Solar Inverter User Manual Model H2-20K-T3-AU H2-25K-T3-AU H2-30K-T3-AU Model H2-20K-T3-AU H2-25K-T3-AU H2-30K-T3-AU Max. Output Current [A] 29.0 36.3 43.5 DC Input Max. PV Array Power [Wp]@STC 40000 45000 45000 Peak Output Apparent Power [VA] 30000,3s 37500,3s 45000,3s Rated AC Voltage/Range [V] 3+N+PE, 220/380, 230/400, 240/415;...

  • Page 10: 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 11: Mounting Procedure

    Hybrid Solar Inverter User Manual 3.2. Mounting Procedure 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. Multimeter Marker Measuring tape Utility knife Measurement Phillips screwdriver ⚫...

  • Page 12: Mounting Procedures

    Hybrid Solar Inverter User Manual 3.2.2. Mounting Procedures Install the mounting bracket to the wall. Place the mounting bracket horizontally onto the wall by using a gradienter and mark the four holes on the wall. ① Drill four holes in the mark positions on the wall. ②...

  • Page 13: 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 14: Installing An Rcd (Optional)

    Hybrid Solar Inverter User Manual 4.4. Assembling the AC-side Electrical Connection Code 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 15: Assembling The Communication Connection

    Hybrid Solar Inverter User Manual Open the waterproof cover, loosen the nut from the cable gland on the waterproof cover, insert the AC Tighten the nut back to the cable gland. cable through the AC waterproof hole. Connect the cables to the conductors L1, L2, L3, N, and PE. Secure the waterproof cover to the inverter. (M4*10mm screw;...

  • Page 16: Connecting The Bms

    Hybrid Solar Inverter User Manual 4.6. Connecting the BMS EMS/METER RS485_PC1/RS485_PC2 DRM1/5 About this task DRM2/6 Prerequisite DRM3/7 DRM4/8 ⚫ The battery management system (BMS) (including the battery control unit and battery packs) has been RefGen installed. Com/DRM0 ⚫ The BMS is powered off. RS485-A RS485-A RS485-B...

  • Page 17: Assembling The Pv-Side Electrical Connection

    Hybrid Solar Inverter User Manual 4.7. Assembling the PV-side Electrical Connection Insert the assembled cable ends into the blue positive and negative battery connectors. Then, gently pull the cables backwards to ensure that they are firmly connected. About this task ⚫...
  • Page 18 Hybrid Solar Inverter User Manual Procedure Insert the positive and negative cables through the hole in the waterproof cover. 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.

  • Page 19: Installing The Communication Module

    1. 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. Earth Fault Alarm This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring.

  • Page 20: System Application Diagram

    Hybrid Solar Inverter User Manual 4.11. System Application Diagram The system connection for the 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 inactive during blackout. CT wire Corresponding port in the meter IA (white)

  • 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 Description Description LED indicator Status LED indicator Status Both meter and BMS communication are lost Communication LED off Inverter power off Solid Connected Breathing Inverter is at initial state or standby state On 1s, off 1s Connecting Disconnected Cloud...

  • Page 23: Commissioning

    Hybrid Solar Inverter User Manual 6.1. Installing the eSAJ Home App The 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 “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. 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 25: Setting The Protection Parameters

    Hybrid Solar Inverter User Manual 6.3. Setting the Protection Parameters Corresponding modification of protection parameters will take effect only after saving. Example:...

  • Page 26: Reviewing The Inverter Settings

    Hybrid Solar Inverter User Manual 6.4. Reviewing the Inverter Settings 6.6. 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 ⚫...

  • Page 27: Configuring The Export Limit

    Hybrid Solar Inverter User Manual 6.7. Configuring the Export Limit Fixed power factor mode 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 28 (AS4777 Series) Notes: Regarding to the power rate limitation mode, SAJ sets the product WGra to 16.67% Pn by default Figure 6. 1 in the following cases according to the requirements of 3.3.5.2 as 4777.2: 2020. Curve for a Volt-Var control mode (AS4777 Series) Soft ramp up after connection.

  • Page 29: Troubleshooting

    Hybrid Solar Inverter User Manual Troubleshooting Code Fault Information Code Fault Information Master Relay Error Master Bus Voltage Low Master EEPROM Error Master Grid Phase Lost Master Temperature High Error Master PV Voltage High Master Temperature Low Error Master Islanding Error Lost Communication M<->S Master HW Bus Voltage High GFCI Device Error...
  • Page 30 Hybrid Solar Inverter User Manual Code Fault Information Slave Frequency Low Slave No Grid Error Slave PV Input Mode Error Slave HW PV Curr High Slave PV Voltage High Slave HW Bus Volt High Lost Communication D<->C Master Arc Device Error Master PV Mode Error Authority expires DRM0 Error...

  • Page 31: 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:

H2-10k-t3-auH2-12k-t3-auH2-15k-t2-auH2-15k-t3-auH2-20k-t2-auH2-20k-t3-au ... Show all

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