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Sacolar STR 5.5L User Manual

A1 battery system
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User Manual
Residential Energy Storage
STR 5.5L - A1 Battery System
Version:1.0

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Summary of Contents for Sacolar STR 5.5L

  • Page 1 User Manual Residential Energy Storage STR 5.5L - A1 Battery System Version:1.0...
  • Page 2 This document describes the installation, electrical connection, operation, commission, maintenance and troubleshooting of STR 5.5L-A1 Battery System (hereafter simply put STR 5.5L). Before installing and operating STR 5.5L-A1, ensure that you are familiar with product features, functions, and safety precautions provided in this document.

  • Page 3: Table Of Contents

    Table of Contents 1 Product Overview ..........................1 1.1 Product Description ..........................1 1.2 Appearance ............................1 1.2.1 Dimension （unit：mm） ........................1 1.2.2 Introduction to the battery operation panel ..................2 1.3 Function and Introduction ........................4 1.4 Battery software upgrade ........................5 1.4.1 Upgrade via USB ..........................

  • Page 4: Product Overview

    1 Product Overview Product Description Each STR 5.5L consists of 106Ah cells which form 51.2V voltage battery module and 16 serial connection (1P16S). A Single cluster can connect up to 12 batteries in parallel to reach 60KWh. In order to meet the needs of customers' household power supply, it is combined with the inverter into a household photovoltaic energy storage system, with protection functions such as overcharge, over discharge, overcurrent, overtemperature and short circuit.

  • Page 5: Introduction To The Battery Operation Panel

    1.2.2 Introduction to the battery operation panel Figure 2: Introduction to the battery operation panel Location Port Function Turn the battery on and off ON/OFF Display battery alarm status Display running status Display battery SOC status LINK-In/LINK- Link-out for multi-cluster in parallel communication; Link-in for multi-cluster in parallel communication inverter CAN communication Relay output/input...
  • Page 6 address Battery1 Battery2 Battery3 Battery4 Battery5 Battery6 Battery7 Battery8 Battery9 Battery10 Battery11 Battery12 Note: When the battery module is used independently, refer Table 1. When the battery modules are connected in parallel, please refer to Table 1. For other battery modules connected in parallel, see Table 1.

  • Page 7: Function And Introduction

    Function and Introduction Function Description APP Display and Display BMS Information and Upgrade Upgrade 2 Circuits, with Isolation, one for Battery Parallel Communication, one Communication for the Inverter Communication Battery Parallel Up to 12 Cells Connected in Parallel SOC Algorithm Dynamic SOC Estimation for Battery Packs Based on different temperature, The evaluation capacity of voltage and SOP Algorithm...

  • Page 8: Battery Software Upgrade

    Battery software upgrade 1.4.1 Upgrade via USB Copy the upgrade file into the U disk.  Battery off, access U disk.  Start the battery and successfully enter the upgrade state, the ALM and RUM two leds will  blink for 3 seconds at the same time. The battery LED light flashes in the mode of running horse light, indicating that the upgrade ...

  • Page 9: Safety Precautions

    Please use the matching or recommended professional lithium battery charger.  Stop using the battery if it has abnormal conditions such as odor, discoloration, noise, liquid  leakage, or serious deformation. If electrolyte leaks into the skin or eyes, flush with water and seek immediate medical attention. ...

  • Page 10: Warning Labels

    2.3 Warning Labels Symbols Description Do not dispose in trash Lithiumion battery can be recycled Certification in European union area Electric shock hazard Explosive gas May leak corrosive electrolyte Heavy enough to cause severe injury Keep the Pack away from children...

  • Page 11: Emergency Responses

    Make sure the battery polarity well connected Do not expose to fire Operate as the Manual Figure 4: Nameplate 2.4 Emergency Responses Manufacturer takes foreseeable risk scenarios into consideration and is designed to reduce hazards and dangers. However, if the following situation occurs, do as below: Description and Action Situation Occurs...

  • Page 12: Storage And Transportation

    Wet Packs If BATTERY is flooded or submerged, do not access it. Contact Sacolar or distributor for technical assistance immediately. Damaged BATTERYS are dangerous and must be handled with Damaged special attention. They are no longer suitable for use and may PACKS cause danger to people.

  • Page 13: Transportation Requirement

    3.2 Transportation Requirement PACK has been certified in UN38.3 (Section 38.3 of the sixth Revised Edition of the Recommendations on the Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance Test of the Rules for the Inspection of Packaging for Exporting Dangerous Goods).

  • Page 14: Installation Required Tools

    4.2 Installation Required Tools The following tools are required to install the BATTERY: 5mm Allen key Wrench Screw Driver Multi-meter Tap Measure It is recommended to wear the following safety gear when dealing with the BATTERY. Insulated Glove Safety Goggle Safety Shoes 4.3 Check 4.3.1 Pre-installation Check...

  • Page 15: Check Packing List

    4.3.2 Check Packing List STR 5.5L-A1 Battery Pack (Standard) STR 5.5L-A1 Kit package (Optional) Item No. Part Name Quantity Item No. Part Name Quantity STR 5.5L-A1Battery 1 pcs Battery Bracket 4 pcs Pack 1 pcs Screw bolt 4 pcs User Manual...

  • Page 16: Installation

    Installation 4.4.1 Battery Placement Please install indoors and ensure the level of the ground. The maximum quantity of stacking battery pack is 6, only support to horizontally mounted. Make sure the batteries are mounted in the correct orientation. Please refer to the picture below (√...

  • Page 17: Single Battery Installation

    4.4.3 Single battery installation Make sure the battery is in off mode and the battery circuit breaker is off.  Ensure there are no tangled cables after battery wiring.  Step 1 ：Fix the ground wire to the ground terminal with an M4 screw and fix the other end to the inverter.

  • Page 18: Battery Pack Capacity Expansion Installation

    When connecting the power cord, make sure that the OT terminals are oriented correctly. Don’t stack two OT terminals on one power port. Figure6: Single Battery Installation Diagram The battery is not allowed to be wired in the running state, and battery should all be off before installation.
  • Page 19 Step 1: Connect network cable Insert the network cable A into the inverter port of battery 1, and the other end insert into the BMS network port of the inverter. Connect the LINK-OUT connector of battery 1 and the LINK-IN connector of battery 2 using network cable B.

  • Page 20: Battery Pack Power Expansion Installation

    Please install the communication line first, then plug the unused communication port and USB port with the dust cover, and finally install the power cable. We recommend installing a circuit breaker between the inverter and the battery. For the specifications of the circuit breaker, we recommend using a molded case circuit breaker with a rated operating voltage greater than 80Vdc and a rated operating current greater than 200A.

  • Page 21: Battery Pack Capacity Expansion And Power Expansion Installation

    Figure 8：Installation diagram for power expansion The battery is not allowed to be wired in the running state, and make sure all batteries are in off mode before installation. Refer to Figure 8 for power cable wiring. Please install the communication line first, then plug the unused communication port and USB port with the dust cover, and finally install the power cable.
  • Page 22 4.4.6 Battery pack capacity expansion and power expansion installation Ensure all batteries are in off mode and the battery circuit breaker is off. Ensure there are no tangled cables after the battery wiring. Support up to 12 battery packs connected in parallel to form a 33KW expanded energy storage system.
  • Page 23 Figure 9: Installation diagram for capacity expansion and power expansion Battery 4 Figure 10：Inserting the shorting cap The battery is not allowed to be wired in the running state, and the battery should all be off before installation. Refer to Figure 9 for power cable wiring. Please install the communication line first, then plug the unused communication port and USB port with the dust cover, and finally install the power cable.
  • Page 24 When there are 2 battery packs per cluster: Address Remark Total number of batteries 9-10 11-12 Battery1 Battery2 Battery3 Battery4 Battery5 Battery6 Battery7 Battery8 Battery9 Battery10 Battery11 Battery12 When there are 3 battery packs per cluster: Total number of batteries Address Remark Battery1...
  • Page 25 When there are 4 battery packs per cluster: Total number of batteries Address Remark Battery1 Battery2 Battery3 Battery4 Battery5 Battery6 Battery7 Battery8 Battery9 Battery10 Battery11 Battery12 When there are 5 battery packs per cluster: Total number of batteries Address Remark Battery1 Battery2 Battery3...

  • Page 26: Stackable Installation With Bracket Support

    4.4.7 Stackable Installation with Bracket Support Check and confirm the battery is powered off and battery breakers are turned off before any process. Step 1 Prepare support brackets. Step 2 Set the battery into 2 pcs of brackets from the rear. Step 3 Stack battery packs with brackets and fasten screws.

  • Page 27: Power On And Off The Battery

    5 Power on and off the Battery The installation and use of batteries involve much specialized knowledge. Therefore, technicians  should be given appropriate technical training and obtain operational certificates in compliance with local laws and regulations. Please ensure technicians have obtained training certificate before operation.

  • Page 28: Maintenance Guide

    6 Maintenance Guide 6.1 Preparation Tools like safety gloves, cross head driver and socket wrench should be prepared.  Turn off and turn on new BATTERY  If the PACK is power-off. Press power button for 1 second to turn If the PACK is power-on.
  • Page 29 There is no safety threat and user should stop using battery Check if inverter and battery communication terminal is External CAN Communication loss well connected Communication between inverter and If inverter and PACK cannot failure battery communicate when the communication wire is confirmed well connected, user should contact installer to repair battery...

  • Page 30: Technical Specifications

    7 Technical Specifications Functional parameters of STR 5.5L - A1 battery are as shown below: Items Specification Battery Module STR-5.5L-A1 Nominal Voltage 51.2V Rated Capacity/Energy 106Ah/5.5kWh Operating Voltage 40 – 58.4V Max. charging current (25℃) 100A Max. discharging current (25℃)
  • Page 31 Appendix 1 SOC indicator Status Items LED1 LED2 LED3 LED4 LED5 (t=500m (t=500m (t=500m (t=500m (t=500 (t=500m (t=500m (t=500m (t=500 20%- Charge (t=500m (t=500m (t=500 40%- (t=500m (t=500 60%- (t=500 80%- 100% 100%- 79%- 59%- Discharge 39%- 19%- (t=500m 100%- 79%- 59%- Idle...
  • Page 32 voltage Total voltage over (t=1s) voltage Cell under voltage (t=1s) alarm Cell over voltage alarm (t=1s) Alarm before power (t=1s) Charge over current (t=1s) Discharge over current (t=1s) 1 grade Interior CAN (t=1s) communication failure Large internal and (t=1s) external voltage difference Low charging (t=1s)
  • Page 33 Parallel versions are inconsistent Parallel failure Large voltage difference for internal and external MOS control failure low charging temperature low discharging temperature High charging temperature High discharging temperature Charging over power Discharging over power Same address failure Pre-charge timeout Pre-charge short circuit AFE disconnected Cell dropout Temperature dropout...
  • Page 34 Discharge overcurrent grade 2 MOS high temperature alarm Excessive differential voltage Excessive differential temperature note ： Indicates always on t=500ms indicates the flashing interval 500ms t=1s indicates the flashing interval 1s...

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