SAJ HS2 Series User Manual
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SAJ HS2 Series User Manual

SAJ HS2 Series User Manual

Three phase all-in-one energy storage system
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HS2/AS2 Series
HS2/AS2
Series
THREE PHASE ALL-IN-ONE ENERGY STORAGE SYSTEM
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
HS2-5~10K-T2
V0.2
AS2-5~10K-T

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  • Page 1 HS2/AS2 Series HS2/AS2 Series THREE PHASE ALL-IN-ONE ENERGY STORAGE SYSTEM 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 HS2-5~10K-T2 V0.2 AS2-5~10K-T...
  • Page 2 HS2/AS2 Series Preface Thank you for choosing SAJ product. 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

    HS2/AS2 Series TABLE OF 4.1.1 Checking the Package........................18 4.1.2 Scope of Delivery ..........................18 4.2 Installation and Position ............................... 20 CONTENTS 4.2.1 Installation Position and Clearance ..................... 20 4.2.2 Mounting Method ..........................21 4.3 Mounting Procedure ..............................22 4.3.1 Installation Tools ..........................22 4.3.2 Mounting Procedure ..........................
  • Page 4 HS2/AS2 Series 6.4.2 Local Connection ..........................59 6.4.3 Inverter Setting Review ........................61 6.5 Working Modes ................................62 6.5.1 Selecting Working Modes Procedures ..................62 6.5.2 Working Modes Instruction ......................62 6.6 Export Limit Setting................................ 63 6.6.1 APP Setting ............................64 6.7 Self-test (For Italy) ................................
  • Page 5 HS2/AS2 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: HS2-5K-T2; HS2-6K-T2; HS2-8K-T2; HS2-10K-T2; HS2-10K-T2-B; AS2-5K-T; AS2-6K-T; AS2-8K-T; AS2-10K-T; AS2-10K-T-B; 1.2 Safety Instructions DANGER · DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 6 PREPARATION ·SAJ electric shall not be liable for any loss or warranty claims arising from any unauthorized change of product which may cause fatal injury to the operator, third party or equipment performance. ·For personal and property safety, do not short-circuit the positive (+) and negative (-) electrode terminals.
  • Page 7 2.3 Battery Handling Symbol Description Operate and use the battery properly according to user manual, any attempt to modify battery without the permission from SAJ will void the Dangerous electrical voltage limit warranty for the battery. This device is directly connected to public grid, thus all work to the battery shall only be carried out by qualified personnel.
  • Page 8 HS2/AS2 Series WARNING ·If a fire has just occurred, try to disconnect the battery circuit breaker and cut off the power supply first, but only if you can do so without endangering yourself. ·If the battery is on fire, do not attempt to extinguish the fire but evacuate the crowd immediately. Potential danger of damaged battery: Chemical Hazard: Despite of its careful and professional protection design against any hazard results, rupture of battery may still occur due to mechanical damage, internal pressure etc., and may result in a leakage of battery electrolyte.
  • Page 9 HS2/AS2 Series 3.1 Application Scope of Products The product is included a hybrid inverter/ AC-coupled inverter with battery and it is applied to residential photovoltaic energy storage system. The energy storage system is able to store the energy for future use. It is built internally with a battery management system (BMS), which is used to ensure efficiency of the battery and protect the battery from operating outside its specified limitations.
  • Page 10 HS2/AS2 Series 3.4 Terminals Description Figure 3.2 HS2 Inverter unit interface (left view and right view) Figure 3.3 AS2 unit interface (left view and right view) Position Name Position Name B+/ B- port (to inverter) B+/ B- port (to inverter) Battery Switch Battery Switch DC Switch...
  • Page 11 HS2/AS2 Series 3.5 Datasheet Inverter HS2-5K-T2/ HS2-6K-T2/ HS2-8K-T2/ HS2-10K-T2/ HS2-10K-T2-B/ Model AS2-5K-T AS2-6K-T AS2-8K-T AS2-10K-T AS2-10K-T-B DC Input (For HS2-5-10K-T2 only) 15000 Max. PV Array Power [Wp]@STC 7500 9000 12000 15000 Max. DC Voltage [V] 1000 MPPT Voltage Range [V] 180~900 Rated DC Voltage [V] Figure 3.4 Battery module interface (left view &...
  • Page 12 HS2/AS2 Series HS2-5K-T2/ HS2-6K-T2/ HS2-8K-T2/ HS2-10K-T2/ HS2-10K-T2-B/ HS2-5K-T2/ HS2-6K-T2/ HS2-8K-T2/ HS2-10K-T2/ HS2-10K-T2-B/ Model Model AS2-5K-T AS2-6K-T AS2-8K-T AS2-10K-T AS2-10K-T-B AS2-5K-T AS2-6K-T AS2-8K-T AS2-10K-T AS2-10K-T-B AC Input [On-grid] Ingress Protection IP65 Rated AC Voltage/Range [V] 3L+N+PE, 220/ 380Vac, 230/ 400Vac Dimensions [H*W*D] [mm] 450*626*365 Rated Input Frequency [Hz] 50,60...

  • Page 13: Checking The Package

    4.1 Unpacking and Inspection 4.1.1 Checking the Package Although SAJ’s product have thoroughly tested and checked before delivery, it is uncertain that the product 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 14: Installation Position And Clearance

    HS2/AS2 Series 4.2 Installation Method and Position 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. Communication RJ 45 plug*1 COMM cable*1...

  • Page 15: Mounting Method

    HS2/AS2 Series 4.2.2 Mounting Method • Keep the device away from children. • 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. •...
  • Page 16 HS2/AS2 Series with locking brackets Step 4: Install the locking brackets (inverter) with screws (M6*12) onto the inverter, and then install the 4.3.2 Mounting Procedures locking brackets (wall) onto the locking brackets (inverter) with screws (M6*12). The product employs either ground mounting or wall mounting and its position is determined by the drilled holes of bracket.
  • Page 17 HS2/AS2 Series Step 5: After the battery modules installation, mark the proper positions of inverter and drill holes (10mm in Step 6: Use a rubber hammer to drive the screw fixing seat into the holes to fix the bracket，use the wrench to diameter, 65mm in depth) on those positions by using the inverter as a template.
  • Page 18 HS2/AS2 Series Wall Mounting Step 2: Mark the proper positions of mounting bracket and drill holes on those positions (14mm in diameter, Make sure that the wall is capable of mounting screws and supporting the weight of the battery pack before 65mm in depth) by using the mounting bracket as a template, and then use a rubber hammer to drive the installation.
  • Page 19 HS2/AS2 Series Step 4: Install the locking brackets (inverter) with screws (M6*12) onto the inverter, and then install the locking brackets (wall) onto the locking brackets (inverter) with screws (M6*12). Step 3: Install the battery module on the bracket, make sure the battery module position fits with the position of rubber feet on bracket, and use a screw (M4*10) to secure it with locking brackets.
  • Page 20 HS2/AS2 Series Step 5: After the battery modules installation, mark the proper positions of inverter and drill holes (10mm in Step 6: Use a rubber hammer to drive the screw fixing seat into the holes to fix the bracket，use the wrench to diameter, 65mm in depth) on those positions by using the inverter as a template.
  • Page 21 HS2/AS2 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. Note: The additional cable and OT/DT terminal should be prepared by user themselves.
  • Page 22 HS2/AS2 Series 5.2 AC Grid Wire and Backup Output Connection Remove the screw of grounding terminal and secure the additional grounding cable by insert a screw into the screw hole in the OT/DT terminal. Connect the grounding cables as the following diagram. Note: A 4 mm conductor cross-sectional area of cable is recommended for additional grounding cable.
  • Page 23 Connecting the AC/backup Notice: Do not connect multiple inverters to one AC circuit breaker. connector Table 5.2 Recommended circuit breaker specification 5.3 PV Side Connection (Applicable for HS2 Series) BACK-UP Grid Load WARNING · Make sure the PV array is well insulated to ground before connecting it to the inverter.
  • Page 24 HS2/AS2 Series 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 25 HS2/AS2 Series 5.4 Communication Connection 6.Make sure the DC switch is at OFF position Note: 1) The communication cable is one end crimped, this crimped end is for battery side connection. The Pv Array other end is for inverter side connection. Customer should crimp the other end of communication cable by themselves.
  • Page 26 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/ . Figure 5.12 Communication cable connection...
  • Page 27 HS2/AS2 Series 5.5 Connecting Battery COMM Cable 5.6 Connecting Battery Power Cable Step1: Connect link port 0 of inverter to link port 1 of battery 4 (the battery number can be varied, it should be · Power off the battery system before connecting the power cable to avoid high voltage danger depended on the number of battery modules in the system) ·...

  • Page 28: System Connection Diagram

    HS2/AS2 Series 5.7 System Connection The system connection for grid system without special requirements is as below. HS2 Series Note：The backup PE line and earthing bar must be grounded properly. Otherwise, backup function may be inactive during blackout. The system connection in Germany, Australia and New Zealand is as below, the neutral cable of AC and backup side must be connected together for the safety reason.
  • Page 29 HS2/AS2 Series AS2 Series 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 Germany, Australia and New Zealand is as below, the neutral cable of AC and inactive during blackout.

  • Page 30: Installation Of Side Covers Of Battery Unit

    HS2/AS2 Series 5.8 System Connection Diagram 5.9 Installation of Side Covers of Battery Unit Install the side covers for battery module and secure it with screws (M4*25). Figure 5.16 Installing side covers for battery module 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 31: Commissioning

    HS2/AS2 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 Step 1: Press and hold the main switch for 5s, until the display is off Step 2: Turn off the circuit breaker Figure 6.1 Circuit breaker of inverter...

  • Page 32: Introduction Of Human-Computer Interface

    HS2/AS2 Series 6.2 Introduction of Human-computer Interface Solid Importing electricity from grid On 1s, off 1s Exporting electricity to grid On 1s, off 3s Not importing and exporting at all System System commissioning Off-grid After the wiring is completed, please refer to the inverter manual for system commission and operation. Solid Battery is discharging Note: Turn on the circuit breaker and main switch when using battery.

  • Page 33: Commissioning

    HS2/AS2 Series 6.3 Commissioning Start up: (1) Connect the AC circuit breaker (2) Connect the DC circuit breaker between inverter and battery (if applicable) (3) Turn ON the battery (if applicable) (4) Turn ON the DC switch on the inverter (5) Install the communication module into the inverter (6) Setup the initial setting for inverter on eSAJ Home (7) Observe the LED indicators on the inverter to ensure the inverter is running properly...

  • Page 34: Local Connection

    HS2/AS2 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” Step 5: Choose your inverter according to your inverter SN’s tail numbers Step 6: Click on the inverter to enter inverter setting Step 7: Select the corresponding country and grid code for...

  • Page 35: Inverter Setting Review

    HS2/AS2 Series 6.5 Working Modes 6.4.3 Inverter Setting Review 6.5.1 Selecting Working Modes Procedures After commissioning, the device info including device basic info, running info and event info can be viewed. Country and grid code can be viewed from initial setting. 6.5.2 Working Modes Introduction Self-consumption Mode: When the solar is sufficient, electricity generated by photovoltaic system will be supplied to load first, the surplus energy will be stored in battery, then the...

  • Page 36: Export Limit Setting

    HS2/AS2 Series Time-of-use Mode: Battery charging period and discharging period can be set , during 6.6.1 APP setting charging period, battery can only be charged, while in discharging period, battery can only be discharged, the rest of the period, battery will behave as Self-use mode. 6.6 Export Limit Setting There are two methods to control the export limit, the two methods are alternative to each other.
  • Page 37 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 38: Setting Reactive Power Control (For Australia)

    HS2/AS2 Series 6.8 Setting Reactive Power Control Fixed Reactive Power Mode (For Australia) 6.8.1 Setup Fixed Power Factor Mode & Fixed Reactive Power Mode Fixed Power Factor Mode Step 1: Select Inductive Adjustment Var or Capacitive Var according to your local grid regulation. The power range is from -60%Pn ~ 60%Pn.

  • Page 39: Setup V-Watt And Volt-Var Mode

    Curve for a Volt-Var control mode (AS4777 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, Setting procedure：...

  • Page 40: Maintenance

    The battery cannot be disposed of as household refuse. When the service life of the battery reaches to the limit, it is not required to return it to the dealer or SAJ, but it must be recycled to the special waste...
  • Page 41 HS2/AS2 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 Master AC SPD Error GFCI Device Error...
  • Page 42 HWPVCurrHighFault BMS Internal Communication Error Slave PV Voltage High Battery Module Sequence Error Slave HW Bus Volt High Please go to SAJ website for warranty conditions and terms Discharge Overcurrent Protection https://www.saj-electric.com/ Lost Communication D<->C Charge Overcurrent Protection Master Arc Device Error...

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