SAJ H2 Series Configuration Instructions

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Configuration

Configuration Instructions

H2 Series

HS2/AS2 Series

HS3/AS3 Series

V1.0

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Page 3 We make constant improvements on the products and their documentation. This manual is subject to change without notice; these changes will be incorporated in new editions of the publication. To access the latest documentation, visit the SAJ website at https://www.saj-electric.com/.
Page 4 Table of Contents About this document ......................................7 Required devices ........................................8 System connection: single-phase hybrid inverter ............................. 9 3.1. One hybrid inverter..........................................9 3.1.1. In single-phase grid ........................................ 9 3.1.2. In three-phase grid ....................................... 11 3.2. Multiple hybrid inverters, one EMS (parallel connection) ............................12 3.2.1.
Page 5 4.3.3. External 250A/500A CT connection (current ＞ 100 A, CT prepared by users) .................. 31 Meter address settings ......................................32 5.1. Three-phase meter ..........................................32 System commissioning ......................................34 6.1. Install the App ............................................34 6.2. Log in to the App..........................................34 6.3.
Page 6 6.14. For Germany and Austria ..................................... 86 6.14.1. Set the RCR power control function ................................. 86 6.15. For the United Kingdom ...................................... 87 6.15.1. Configure the G100 settings ....................................87 6.16. For Italy ............................................ 88 6.16.1. Run the self-test ........................................88 V1.0 ©...
Page 7 1. About this document This document provides the guidance on how to configure the SAJ inverters, mainly covering the required devices, system connections, meter address settings, and system commissioning using elekeeper App. It is designed for the following SAJ inverter models: H2 series ⚫...
Page 8 2. Required devices H2 series storage inverter and BU2 series battery; or BC2 series battery control unit ⚫ HS2/AS2 series hybrid inverter and BU2 series battery ⚫ HS3/AS3 series hybrid inverter and BU3 series battery; or BC3 battery combiner box ⚫...
Page 10 The following HS3/AS3 inverters provide CT ports (RJ45) and thus no smart meter is required: HS3-5K-S2-(W,G)-PX-AU/HS3-6K-S2-(W,G)-P ⚫ AS3-5K-S-(W,G)-PX-AU/AS3-6K-S-(W,G)-PX-AU ⚫ AS3-(3K-6K)-S-(W,G)-PX ⚫ V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 12 ⚫ AS2-(3K-6K)-S Connect the communication cables from the RS485 port on the inverter to the corresponding terminals on the SAJ eManager. If the RS485 port is not available on the inverter, use the EMS/Meter port. From the RS485 or EMS/Meter port on the inverter...
Page 14 External CT connection (current > 63 A) in the single-phase grid You can use 100A/50mA or 250A/50mA CTs, depending on the plant capacity. (Plant capacity = The greater value of the total inverter power or the total on-grid load power) V1.0 ©...
Page 15 3.2.2. LAN connection (up to 10 inverters) External CT connection (current > 63 A) in the single-phase grid Supported inverter models: HS3-(3K-6K)-S2 series ⚫ You can use 250A/50mA or 500A/50mA CTs, depending on the plant capacity. (Plant capacity = The greater value of the total inverter power or the total on-grid load power) V1.0 ©...
Page 17 3.3. One hybrid inverter, one solar inverter (AC-coupling connection) Before connection, contact SAJ technical support to check whether the connection is applicable to your inverter model. 3.3.1. In single-phase grid Internal 80 A CT connection (current ≤ 80 A) V1.0...
Page 19 The following HS3 and AS3 inverters provide CT ports (RJ45) and thus no smart meter is required: HS3-5K-S2-(W,G)-PX-AU/HS3-6K-S2-(W,G)-P ⚫ AS3-5K-S-(W,G)-P -AU/AS3-6K-S-(W,G)-P ⚫ AS3-(3K-6K)-S-(W,G)-PX ⚫ Note: Connect the CT on the inverter side to the PV-CT port on the inverter. Connect the CT on the grid side to the GRID-CT port on the inverter. V1.0 ©...
Page 23 4.2. Multiple hybrid inverter, one EMS (parallel connection) Before connection, contact SAJ technical support to check whether the connection is applicable to your inverter model. 4.2.1. RS485 connection (up to 6 inverters) Supported inverter models: H2-(5K-10K)-T2 ⚫ HS2-(5K-10K)-T2 ⚫ ⚫...
Page 25 External CT connection (current > 63 A) in the three-phase grid You can use 100A/50mA or 250A/50mA CTs, depending on the plant capacity. (Plant capacity = The greater value of the total inverter power or the total on-grid load power) V1.0 ©...
Page 26 4.2.2. LAN connection (up to 10 inverters) Supported inverter models: H2-(10K-30K)-(T2, T3) ⚫ HS3-(3K-12K)-T2 series (To plan the parallel scenario for HS3 series, contact SAJ first.) ⚫ V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 28 External CT connection (current > 63 A) in the three-phase grid You can use 100A/50mA or 250A/50mA CTs, depending on the plant capacity. (Plant capacity = The greater value of the total inverter power or the total on-grid load power) V1.0 ©...
Page 29 4.3. One hybrid inverter, one solar inverter (AC-coupling connection) Before connection, contact SAJ technical support to check whether the connection is applicable to your inverter model. 4.3.1. Internal 80A CT connection (current ≤ 80 A) V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 32 5. Meter address settings If two meters are used, the inverter-side meter address must be set to 2. Do NOT change the default address 1 of the grid-side meter. 5.1. Three-phase meter V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 33 DTSU666 Button Description Confirmation or cursor shift (when input digits) Exit → To set a three-phase meter, perform the following operations: Power on once once once once once Measure display Shift Shift twice once once twice once thrice Password correct, enter the setting interface Power on the meter and enter the “Measure display”...
Page 34 6. System commissioning The elekeeper (used to be called eSAJ Home) App can be used for both nearby and remote monitoring. It communicates with different devices through Bluetooth or Ethernet connection. Note: The detailed operations on the App might vary, depending on the version you are using. 6.1.
Page 35 — No account? Apply for a new account for login. Tap the three-dot icon on the top right corner. Choose the language and network node based on your needs. Tap Register. Choose whether you are an owner, an installer, or a distributor. Note: For commissioning convenience, it is suggested that the owner account be applied by the installer.
Page 36 6.3. Perform the initialization settings Depending on whether the ESS uses an SAJ eManager, choose one of the following manners: Without an SAJ eManager: Go to the initialization settings in section 6.3.1 "On the inverter". ⚫ With an SAJ eManager: Go to the initialization settings in section 6.3.2 "On the eManager".
Page 39 Meter and system schematic Set Wiring based on the actual system configurations. The left figures illustrate three examples of the system schematic settings. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 40 For models that support a direct CT connection, set the wiring method as follows: One CT: Applicable to single inverter scenario ⚫ Two CTs: Applicable to AC-coupling scenario ⚫ V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 41 Export limit settings Set the values per your needs. ⚫ Total power: If this option is selected and the power value is set (for example, 1000 W), the maximum power exported from the whole system to the grid is 1000 W. ⚫...
Page 42 Working mode ⚫ Self-Consumption Mode: The generated PV energy is provided to the devices in order: loads > batteries > grid Time-of-use Pricing Mode: ⚫ The battery charges or discharges during the specified period. Use this mode to set the battery' grid import or export power based on local peak and valley prices.
Page 44 Charging station setting This page is displayed only if a charging pile has been installed with the inverter. If a charging station has been connected, select Yes. Then, tap Next. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 45 AFCI function This page is displayed only if your inverter provides the AFCI function. You can choose whether to enable this function and tap Next. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 46 Country and grid compliance Country: Set it to your desired country. ⚫ Grid Compliance: It is set automatically after you selected the country. ⚫ Note: For Australia: AS4777_AustraliaA: For large interconnected power system. For example, all Australian networks other than those specified below. AS4777_AustraliaB: For small interconnected power systems.
Page 48 6.3.2. On the eManager Before you start Enable the Bluetooth function on your mobile phone. Procedure On the Service page, tap Remote Configuration. Tap Bluetooth and then Next. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 49 xxxxx Choose your EMS device (eManager: ) from the device list. Then, tap Initialization. xxxxx Note: are the last five digits of the serial number (SN) of your EMS device. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 50 Network configuration Select Ethernet, 4G, or WiFi according to your needs. Set the related parameters. The following figure takes Ethernet as an example. Note: To use Ethernet, make sure that the Ethernet cable is connected from the ETH port on the eManager to the LAN port on the router.
Page 51 Device configuration Check mapping between inverter and parallelling manner by referring to sections 3.2.1 and 3.2.2. Choose one of the parallelling connection followings: ⚫ RS485 connection (up to 6 inverters) To add an inverter, locate its RS485 connection (RS485_1, RS485_2, or RS485_3), tap Add device, and scan the SN barcode or QR code.
Page 57 Name the policy. In the following screenshot, Test is used as an example. In the Time sharing strategy setting area, per your needs, set Charge, Discharge, or Standby for different periods in each day. Notes: You can set a maximum of 12 periods for one day and set different work statuses (charging, discharging, and standby) for each period.
Page 59 To apply policies, select weekly or monthly for temporal strategy. weekly: Set a policy for each week. ⚫ ⚫ monthly: Set a policy for each month. No impact: One policy is used in all days for a month. Working days, weekends: Different policies can be used in working days and weekends for a month. Working days, Saturdays, Sundays: Different policies can be used in working days, Saturdays, and Sundays for a month.
Page 60 Select the created policy template for the periods. You can select Single modification to set the policy for each period one by one; or you can select Modify all to apply the same policy to all periods. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 62 Security settings Select Country and Grid Compliance. For Grid Compliance, select the value according to your setpoint (region of installation). Taking Australia as an example: ⚫ AS4777_AustraliaA: For large interconnected power systems. For example, all Australian networks other than those specified below.
Page 64 6.4. (Optional) Set the battery brand If your ESS uses SAJ batteries, skip this step. Choose Battery Settings > Battery Brand. Select the battery brand and tap Save. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 68 6.6. View the inverter firmware version (Installer only) To view the country and grid compliance, perform as follows: Display Board Version: advanced RISC machine (ARM) version ⚫ Control Board Version: digital signal processor (DSP) version ⚫ V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 69 6.7. Configure the communication module About this task If you want to remotely monitor the energy storage system and view the device statistics (for example, when you are away from home), connect the communication module installed on the inverter to your home network. Procedure On the Device List page, select your communication module according to its SN.
Page 73 Apply for an account for the end user. Tap Register the owner’s account. Input the username, country or region, time zone, E-mail, password. Tap Register. Tap Create Plant for Owner. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 74 Configure the plant details based on your actual conditions. Configure the plant owner details. Tap Create plant. Add the required devices for this plant: Scan the SN of each device and tap Next. The devices include inverters, batteries, and/or an EV charger.
Page 75 6.9. View the plant details On the home page, tap Plant. Search for the required plant and then tap the plant. On the main page of the plant, view the following plant information: ⚫ Data update time: In this example, the data has been updated three minutes ago. ⚫...
Page 76 To view the detailed information of the devices in this plant, tap the device icon on the image. Note: The EV charger is optional, depending on your system configuration. The following takes the EV charger as an example. On the main page of the EV charger, view the charging mode, charging duration, and charging amount. Tap Details on the upper right corner of the page.
Page 77 6.10. (Optional) Set the battery heating function This setting applies to BU3 series battery which operates normally between -30℃ to +50℃. When the heating function is enabled, heating starts and stops under specific temperature conditions to optimize the battery charging and discharging performance. Mode Heating starts Heating stops...
Page 78 Full performance T<21.2℃ T=23.7℃ No heating On the HS3 inverter device page, tap Battery Settings. Select the battery pack. On Battery heating, perform as follows: Disable the heating function; ⚫ ⚫ Modify or add a new heating task; Note: A heating task requires settings of the heating duration, date, and mode. A maximum of seven heating tasks can be set. ⚫...
Page 79 6.11. (Optional) Enable the AFCI function If you want to enable or disable the AFCI function, on the inverter device page, tap AFCI settings. On the AFCI settings page, choose to enable or disable the detailed settings. V1.0 © Sanjing, 2024-2025. All rights reserved.
Page 80 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 aware of the impact of such modifications.
Page 82 6.13. For Australia and New Zealand 6.13.1. View the V-Watt and Volt-Var modes About this task This inverter complies with AS/NZS 4777.2: 2020 for power quality response modes. It meets DNSPs' grid connection rules and requirements for the volt-watt and volt-var settings in different regions. Curve for a Volt-Watt response mode (AS4777 Series) Curve for a Volt-Var control mode (AS4777 Series) V1.0...
Page 85 6.13.2. Configure the DRM settings If you have set Country to Australia in the initialization process, according to local regulations, you can set the demand response mode (DRM) as follows: On the inverter device page, tap DRM Settings. Set the required parameters. V1.0 ©...
Page 86 6.14. For Germany and Austria 6.14.1. Set the RCR power control function About this task If you have set Country to Germany or Austria in the initialization process, and the total power of the plant exceeds 25 kW, you can set the ripple control receiver (RCR) power control function.
Page 87 6.15. For the United Kingdom 6.15.1. Configure the G100 settings About this task If you have set Country to UK in the initialization process, according to local regulations, you can set the G100 function as follows: On the inverter device page, tap G100 Settings. Enter the password if required. Set the required parameters. Note: If a message is displayed, prompting you to upgrade the firmware, you need to upgrade the inverter firmware before the G100 settings.
Page 88 6.16. For Italy 6.16.1. Run the self-test About this task Italian Standard CEI0-21 requires a self-test function for all inverters connected to the utility grid. The self-test ensures that the inverter can be disconnected from the grid when required. During the self-test, the inverter will check the reaction time for over-frequency, under-frequency, over-voltage, and under-voltage. If the self-test failed, the inverter stops providing the electricity to the grid.
Page 91 Tel: (86)20 66608588 Fax: (86)20 66608589 Website: www.saj-electric.com Add: SAJ Innovation Park, No.9, Lizhishan Road, Science City, Guangzhou High-tech Zone, Guangdong, P.R.China GUANGZHOU SANJING ELECTRIC CO.,LTD V1.0 V1.0 © Sanjing, 2024-2025. All rights reserved.

SAJ H2 Series Configuration Instructions

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