SAJ B1 Series User Manual
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SAJ B1 Series User Manual

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Summary of Contents for SAJ B1 Series

  • Page 1 Series - 1 -...

  • Page 2: Table Of Contents

    Series Content CHAPTER 1 SAFETY PRECAUTIONS ....- 2 - ........- 2 - 1.1 S AFETY NSTRUCTIONS ......... - 4 - 1.2 E XPLANATIONS OF YMBOLS ........- 5 - 1.3 E MERGENCY SITUATION CHAPTER 2 PRODUCT INTRODUCTION ....- 7 - ......

  • Page 3: Chapter 1 Safety Precautions

    Chapter 1 Safety Precautions The User Manual describes system configuration and detailed procedures for installation, operation and maintenance of B1 Series Inverter Battery. However, this manual does not include any information about inverters that the battery may be applied to. Please read the User Manual before using this product.
  • Page 4 ·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.

  • Page 5: Explanations Of Symbols

    ·During installation of the battery B1, circuit breaker must be disconnected from the battery pack wiring. ·The battery B1 can only be used as a set with SAJ's AS1 and H1 series storage inverter, otherwise it cannot be used normally.

  • Page 6: Emergency Situation

    Series 1.3 Emergency situation Despite of its strict and professional protection design against any hazard results, damage of the battery may still occur. If a small amount of battery electrolyte is released due to a serious damage of the outer casing; or if the battery explodes due to not being treated timely after a fire breaks out nearby, and leaks out poisonous gases such as carbon monoxide, carbon dioxide and etc., the following actions are recommended:...
  • Page 7 Series Potential danger of damaged battery: Chemical Hazard: Despite of its strict and professional protection design against any hazard results, rupture of battery shall may still occur due to mechanical damage, internal pressure and etc., and may result in a leakage of battery electrolyte.

  • Page 8: Chapter 2 Product Introduction

    Series Chapter 2 Product Introduction 2.1 Application Scope of Products The battery B1 is applied to domestic photovoltaic storage system. The battery is built eternally with a battery management system (BMS), which is used to ensure efficiency of the battery and to avoid phenomena of overcharge or over-discharge. The battery employs modular design for easy installation and wiring, and can be used by up to 3 parallel devices.

  • Page 9: Datasheet

    Series 2.3 Datasheet B1-5.1-48 Type B1-5.1-48 Electrical Characteristics Total Energy Capacity[Wh] 5120 Usable Capacity [Wh] 4600 Rated Voltage [V] 51.2 Voltage range [V] 42~58.4 ≤90% Depth Of Discharge[DOD] ≥6000 Cycle Life Max.Charge Current [A] Max.Discharge Current [A] Physical Parameters Battery Type Lithium ion Communication Operating Temperature Range...

  • Page 10: Chapter 3 Instructions For Installation

    Series Chapter 3 Instructions for installation 3.1 Items in the package Battery pack Wall bracket mounting bolts set *6 Cables Ethernet cable&RJ45 plug User Manual - 9 -...

  • Page 11: Installation Position

    Series 3.2 Installation Position 3.2.1 The battery dimensions shown as follows Figure 3.1 B1-5.1-48 External view and dimension 3.2.2 Installation Position This device is cooled by natural convention and an indoor installation is recommended or an installation under a sheltered place to prevent the battery from exposure to direct sun, rain and snow erosion.
  • Page 12 Series 3.2.3 Mounting Method A vertical mounting is recommended and the battery accepts tilted backwards by max.15°. Never mount the battery horizontally or upside down. √ √ × × × Figure 3.3 Mounting method Please make sure the battery pack is at all times exposed to the air. Poor air circulation will affect the performance of internal electronic components and shorten the service life of battery.

  • Page 13: Mounting Procedure

    Series Figure 3.4 Installation position 3.3 Mounting Procedure 3.3.1 Positioning the drilled holes for bracket The battery B1 uses free-standing installation and its position is determined by the drilled holes of bracket，Unit: mm. Figure 3.5 Bracket for B1-5.1-48 (Slave machine) Make sure that the wall is capable of mounting screws and supporting the weight of the battery pack before installation.
  • Page 14 Series installation of the device is successful, the distance between master and slave machine, slave and slave machine shall at least meet the following requirements: Figure 3.7 Distance between brackets - 13 -...
  • Page 15 Series Fix the brackets in the marked position with hex screws。 Figure 3.8 Mounting the brackets During installation of the device, please install the slave machines first then the master machines, in order to avoid a failure of installation due to a lack of space between the master machine and the salve machines.
  • Page 16 Series Figure 3.9 Installation of the master and slave machines One master machine can be matched with up to three more batteries. During the installation of the project, it is necessary to consider whether space shall be reserved to add new battery packs in the future. The expansion diagram is as follows.

  • Page 17: Chapter4 Electrical Connection

    Series Chapter4 Electrical Connection 4.1 Specifications for Electrical Interface Figure 4.1 B1-5.1-4 Interface Code Name BMS switch Battery switch C、c BAT+port D、d BMS LINK port E、e BAT-port Table 4.1 Interface instruction - 16 -...

  • Page 18: Slave Connection

    Series 4.2 Slave connection Make sure that the circuit breaker is off, remove the right wiring cover screw and pull out the BMS switch cable then place the cover aside. Figure 4.2 Removing wiring cover Remove the flange nut head counterclockwise, and remove it when there is a hole plug, as shown in the figure below.

  • Page 19: Communication Interface

    Series Only 3 cables are required (BAT+-BAT, BAT--BAT-, LINK-LINK) to connect a slave. Be careful when connecting. Do not reverse the positive and negative terminals. Figure 4.4 Connection diagram 4.3 Communication interface Take out the Ethernet cable from the battery packaging. Note: Pass the cable through the waterproof jacket firstly and then crimp the RJ45 plug.
  • Page 20 Series Figure 4.5 Interface definition Code Name blank blank blank blank blank blank RS485A RS485B Table 4.2 Interface pin description Attention ·Please use the original matching battery cable ·Do not connect one B1 battery to two inverters at the same time ·The waterproof sheath must be tightened after wiring to prevent rain water from entering the interior - 19 -...

  • Page 21: Install The Right Cover

    Series 4.4 Install the right cover Use the screw previously removed to lock the cover plate. Torque is recommended 14kgf.cm. Figure 4.6 Install the right cover 4.5 Ground Connection After penetrating the external hex head screw through OT terminal of the grounding line, screw in the grounding port of inverter enclosure in clockwise direction.

  • Page 22: Chapter 5 Debugging Instructions

    Series Figure 4.7 Ground connection Chapter 5 Debugging Instructions System Commissioning After the wiring is completed, please refer to the AS1 series or H1 series manual for system operation. Note: Turn on the battery switch and BMS switch when using the B1 battery. Chapter 6 Battery maintenance 6.1 Transportation Lithium batteries are dangerous goods.

  • Page 23: Storage

    Series 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 24 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 battery recycling station in the area.

  • Page 25: Chapter 7 Contact Saj

    Series Chapter 7 Contact SAJ Guangzhou Sanjing Electric Co., Ltd. SAJ Innovation Park, No.9, Lizhishan Road, Guangzhou Science City, Guangdong, P.R.China. Web: http: //www.saj-electric.com Technical Support & Service Tel:+86 20 6660 8588 Fax:+86 20 6660 8589 E-mail: service@saj-electric.com International Sales...

  • Page 26: Warranty Card

    Series Warranty Card The installer should fill in the second form while installing the inverter. For warranty claim, please complete the below forms and send this page to SAJ, attached with the Customer’s invoice. For customer to fill in Name:...
  • Page 27 Series For installer to fill in Modules used: Modules per string: No. of string: Installation company: Contractor license number: Company: City: Country: Zip: Tel: Fax: E-mail: Signature: Date: - 26 -...
  • Page 28 Series - 27 -...

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B1-5.1-48

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