SAJ B2 Series User Manual

Rechargeable li-ion battery module

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User manual (26 pages)

User manual (32 pages)

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B2 Series Battery

Series

RECHARGEABLE LI-ION BATTERY MODULE

USER MANUAL

Tel: (86)20 66608588

Fax: (86)20 66608589

Web: www.saj-electric.com

B2-5.0-LV1 B2-5.0-LV2

GUANGZHOU SANJING ELECTRIC CO.,LTD

Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China

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V1.1

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Page 1 B2 Series Battery Series RECHARGEABLE LI-ION BATTERY MODULE USER MANUAL Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com B2-5.0-LV1 B2-5.0-LV2 GUANGZHOU SANJING ELECTRIC CO.,LTD Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China {=2*{page}-1} V1.1...
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.
Page 3: Table Of Contents
B2 Series Battery TABLE OF 4.2 Installation Requirements ............................ 17 4.2.1 Position and Clearance ......................17 4.2.2 Mounting Method ........................18 CONTENTS 4.2.3 Environment Requirements ...................... 18 4.3 Mounting Procedure ............................. 19 4.3.1 Installation Tools .......................... 19 4.3.2 Mounting Procedure ........................19 5.
Page 4: Application Scope
B2 Series Battery 1.1 Application Scope This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ products: B2-5.0-LV1; B2-5.0-LV2 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 B2 low voltage battery, circuit breaker must be disconnected from the battery pack wiring. ·The battery can only be used as a set with SAJ's H1 series hybrid solar inverter, otherwise it cannot be used normally.
Page 6: Explanations Of Symbols
Operate and use the battery properly according to user manual, any attempt to modify battery without the Symbol Description permission from SAJ will void the limit warranty for the battery. Dangerous electrical voltage • The battery must be installed at a suitable location with sufficient ventilation.
Page 7 B2 Series Battery 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.
Page 8: Product Information
B2 Series Battery 3.1 Application Typology Diagram The B2 series low voltage battery is applied to residential photovoltaic storage system. The battery is equipped with a built-in battery management system (BMS), which functions to ensure efficiency of the battery and protect the battery from operating out of its specified limitations.
Page 9: Component Description
B2 Series Battery 3.3 Dimensions Callout Name ① Breather valve ② CAN1 ③ CAN2 ④ Ground ⑤ Display ⑥ Main switch ⑦ BAT+ port ⑧ Circuit breaker ⑨ BAT- port Table 3.1 Figure 3.2 Battery components description Dimensions of battery (unit: mm) 3.5 Datasheet...
Page 10 B2 Series Battery Model B2-5.0-LV1 B2-5.0-LV2 Operating temperature Charging: 0～50℃; Discharging: -10～50℃ Storage temperature -20~45℃ (≤1 month); 0~35℃ (≤6 months) Cooling method Natural convection Ambient humidity 0～95% non-condensing Operating altitude [m] ≤2000 Ingress Protection IP65 Installation type Wall-mounted or ground-mounted installation...
Page 11: Unpacking And Inspection
4.1 Unpacking and Inspection 4.1.1 Checking the Package Although SAJ’s batteries have thoroughly tested and checked before delivery, 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.
Page 12: Installation Requirements
B2 Series Battery 4.2 Installation Requirements 4.2.2 Mounting Method 4.2.1 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 battery from exposure to direct sunlight, rain and snow erosion.
Page 13: Mounting Procedure
B2 Series Battery Step 1: To install the foot cup, you need to screw it down to the base. • When installing the battery at the garage, please keep it away from drive way. • Keep the battery from water sources such as taps, sewer pipes and sprinklers to prevent water seepage.
Page 14 B2 Series Battery Figure 4.7 Figure 4.6 Installing the battery packs Drilling holes and inserting Step 7: Remove the locating rubber pad of the topmost battery pack, cover the top coverboard on the top screw fixing seats on the wall battery pack, align the oval holes of the coverboard with the threaded holes of the battery pack, and fix the board with M4*10 screws.
Page 15 B2 Series Battery Wall-Mounted Installation Ensure that the wall is capable of mounting screws and supporting the weight of the battery pack before installation. For safety reason, solid wall is recommended for wall-mounted installation, and cavity wall and timber wall are not allowed to install the battery system.
Page 16 B2 Series Battery Figure 4.11 Figure 4.12 Drilling holes and inserting Installing battery packs screw fixing seats on the wall Step 7: Remove the locating rubber pad of the topmost battery pack, put the coverboard on the top battery pack, align the oval holes of the cover board with the threaded holes of the battery pack, and fix the coverboard Step 4: Put the battery pack on the wall bracket and fix the battery pack on the wall bracket with locking with M4*10 screws.
Page 17: 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 18 B2 Series Battery 5.2 Connecting Battery Communication Cable Remove the screw of grounding port and secure the additional grounding cable. Connect the grounding ports of the two adjacent battery packs with a grounding wire. The grounding port at the bottom of the upper battery...
Page 19 B2 Series Battery Two stacks of battery packs: Detailed connection methods： Step 1: Before connecting the communication cable, unscrew the nut of CAN1 cable from the screw shell, and Step 1: Connect CAN2 of the upper batteries to CAN1 of the lower batteries.
Page 20 · Power off the battery system before connecting the power cable to avoid voltage danger · · The electrical connection of B2 series low voltage battery system must be operated by qualified technicians in Battery 3 accordance with local and national power grid standards and regulations.
Page 21: Connecting Battery To Inverter
B2 Series Battery 5.4 Connecting Battery to Inverter Two stacks of battery packs: Please follow the following diagrams to connect battery and inverter. One stack of battery packs: Power cable: Connect the B+ port of the top battery pack from the left stack with the B+ port of the inverter.
Page 22: Pinout Description Of Rj45
B2 Series Battery Callout Color Name 5.5 Pinout Description of RJ45 Blank Blank ① The communication cable is one end crimped, this crimped end is for battery side connection. The Blank other end is for inverter side connection. Customer should crimp the other end of communication cable by themselves.
Page 23: Commissioning
B2 Series Battery 6.1 Start Up and Shut Down After the wiring is completed, refer to the inverter manual for system commissioning and operation. 6.1.1 Start Up Step 1: Turn on the circuit breaker. Step 2: Press and hold the main switch for 2-3 seconds until the display is on.
Page 24: Introduction Of Display
The display of B2-5.0-LV1 series battery has a nonluminous decorative green ring ( ) on the left while the For eSolar APP downloading and detailed system commissioning information, refer to the inverter manual. display of B2-5.0-LV2 series battery does not. Select SAJ for battery brand during commissioning. Display Status Description Steady on The battery is in normal state.
Page 25: Transportation And Storage
B2 Series Battery 7.1 Transportation Lithium batteries are dangerous goods. Passed the test of UN38.3, this product meets the transportation requirements for dangerous goods for lithium batteries. After the installation of the battery on site, the original packaging (contains the lithium battery identification) should be kept. When the battery needs to be returned to the factory for repair, please pack the battery with the original packaging to reduce unnecessary trouble.
Page 26: Maintenance
B2 Series Battery limit, it is not required to return it to the dealer or SAJ, but it must be recycled to the special waste lithium •Check whether there are flammable objects around the battery module. battery recycling station in the area.
Page 27: Troubleshooting & Warranty
B2 Series Battery Troubleshooting Code Error Name Common Cause Remedy 1. Communication error between battery control unit and battery module 1. Check if the communication cable is 2. The RJ45 plug was BMS internal connected properly. not installed, therefore communication error battery control unit 2.
Page 28: Warranty
Battery module voltage Check if the model of Voltage inconsistency are inconsistent. battery module is correct. Please go to SAJ website for warranty conditions and terms: 1. Circuit breaker is https://www.saj-electric.com/ open. Circuit breaker is open Replace circuit breaker.

This manual is also suitable for:

B2-5.0-lv1 B2-5.0-lv2