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B2 Series Battery
B2
Series
HIGH VOLTAGE BATTERY
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
B2-5.0-25.0-HV1
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Summary of Contents for SAJ B2 Series
- Page 1 B2 Series Battery Series HIGH VOLTAGE BATTERY 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 B2-5.0-25.0-HV1 {=2*{page}-1}...
- Page 2 B2 Series Battery Preface Thank you for choosing SAJ battery. 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.
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Page 3: Table Of Contents
B2 Series Battery TABLE OF 4.1.1 Checking the Package ........................16 4.1.2 Scope of Delivery ..........................16 4.2 Installation and Position ............................... 17 CONTENTS 4.2.1 Installation Position and Clearance ....................17 4.2.2 Mounting Method ..........................19 4.3 Mounting Procedure ..............................20 4.3.1 Installation Tools .......................... - Page 4 B2 Series Battery 1.1 Scope of Application This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ products: B2-5.0-HV1; B2-10.0-HV1; B2-15.0-HV1; B2-20.0-HV1; B2-25.0-HV1; 1.2 Safety Instructions DANGER · DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
- Page 5 ·During installation of the battery B2 high voltage battery, circuit breaker must be disconnected from the battery pack wiring. ·The battery B2 can only be used as a set with SAJ's H2 high voltage series storage inverter, otherwise it cannot be used...
- Page 6 B2 Series Battery 2.2 Explanations of Symbols 2.3 Battery Handling Operate and use the battery properly according to user manual, any attempt to modify battery without the permission from SAJ will void the limit Symbol Description warranty for the battery.
- Page 7 B2 Series Battery ·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.
- Page 8 B2 Series Battery 3.1 Application Scope of Products The battery B2 is applied to residential photovoltaic storage system. The battery 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. B2 battery is a high voltage battery system.
- Page 9 B2 Series Battery 3.3 Overview of Products B+/B- port (to battery module) Circuit breaker Display BAT+- port (for parallel connection) Main switch Communication port (to battery module) Ground Communication port (for parallel connection) Table 3.1 Battery control unit interface Figure 3.2 Dimensions of battery control unit and battery module 3.4 Battery Terminals Description...
- Page 10 B2 Series Battery 3.5 Datasheet Model B2-5.0-HV1 B2-10.0-HV1 B2-15.0-HV1 B2-20.0-HV1 B2-25.0-HV1 Battery Module BU2-5.0-HV1 (1P32S 102.4V50Ah) No. of Modules Rated Energy [kWh] 10.0 15.0 20.0 25.0 Usable Energy [kWh] 13.5 18.0 22.5 Dimension (H*W*D)[mm] 261*626*365 522*626*365 783*626*365 1044*626*365 1305*626*365 Weight [kg] 50.5...
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Page 11: Checking The Package
4.1 Unpacking and Inspection 4.1.1 Checking the Package Although SAJ’s battery have thoroughly tested and checked before delivery, it is uncertain that the battery 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 Position And Clearance
B2 Series Battery Battery Module Package Please reserve enough clearance around the battery to ensure a good air circulation at the installation area. Because poor air ventilation will affect the working performance of internal electronic components and shorten the service life of the system. -
Page 13: Mounting Method
B2 Series Battery 4.2.2 Mounting Method Note: When installing outdoors, the height of the battery from the ground should be considered to prevent the battery from soaking in water. The specific height is determined by the site environment. 4.3 Mounting Procedure 4.3.1 Installation Tools... -
Page 14: Mounting Procedure
B2 Series Battery 4.3.2 Mounting Procedures Step 4: After the battery modules installation, mark the proper positions of battery control unit and drill holes (13mm in diameter, 65mm in depth) on those positions by using the battery control unit as a template. Remove The battery employs either ground mounting or wall mounting and its position is determined by the drilled the rubber feet for the top battery module before installing battery control unit. - Page 15 B2 Series Battery Wall Mounting Step 5: Use a rubber hammer to drive the screw fixing seat into the holes to fix the bracket，use the wrench to tighten the screws (M10*80 screw) to secure the battery control unit. Secure the locking bracket and battery Make sure that the wall is capable of mounting screws and supporting the weight of the battery pack before control unit with a screw (M6*12).
- Page 16 B2 Series Battery Step 4: After the battery modules installation, mark the proper positions of mounting bracket and drill holes (13mm in diameter, 65mm in depth) on those positions by using the mounting bracket as a template. Remove the rubber feet for the top battery module before installing battery control unit.
- Page 17 B2 Series Battery Step 5: Use a rubber hammer to drive the screw fixing seat into the holes to fix the bracket，use the wrench to tighten the screws (M10*80 screw) to secure the battery control unit, secure the locking bracket and battery control unit with a screw (M6*12).
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Page 18: Electrical Connection
B2 Series Battery 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 19: Connecting Battery Comm Cable
B2 Series Battery 5.2 Connecting Battery COMM Cable 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. -
Page 20: Connecting Battery Power Cable
B2 Series Battery 5.3 Connecting Battery Power Cable 5.4 Connecting Battery to Inverter Please follow the following diagram to connect battery and inverter. WARNING · Power off the battery system before connecting the power cable to avoid high voltage danger ·... -
Page 21: Communication Inteface
B2 Series Battery 5.5 Communication Interface 5.6 Installation of Side Covers Note: 1) The communication cable is one end crimped, this crimped end is for battery side connection. The Install the side covers for battery control unit and battery module and secure it with screws (M4*25). -
Page 22: Commissioning
B2 Series Battery 6.1 Start Up and Shut Down the Battery 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 hole the main switch for 5s, until the display is off... -
Page 23: Introduction Of Human-Computer Interface
B2 Series Battery 6.2 Introduction of Human-computer Interface 6.3 Commissioning Please refer to inverter manual for eSolar APP download and system commissioning. Please select SAJ for System commissioning battery brand. After the wiring is completed, please refer to the inverter manual for system commission and operation. -
Page 24: Battery Maintanence
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 lithium... - Page 25 B2 Series Battery Troubleshooting Code Error Name Common Cause Remedy 1. Communication error between battery control unit and battery module 1. Check if communication 2. Did not install RJ45 BMS internal cable is connected properly plug, therefore battery communication error 2.
- Page 26 Warranty 1. Pre-charge relay 1. Replace pre-charge relay damaged 2. Replace pre-charge Pre-charge error 2. Pre-charge resistor Please go to SAJ website for warranty conditions and terms resistor open-circuit https://www.saj-electric.com/ 3. Replace BMS 3. BMS damaged Battery module has Insulation error...