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HOMEGRID Stack'd Series Reference Manual

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Stack'd Series
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Summary of Contents for HOMEGRID Stack'd Series

  • Page 1 Stack’d Series Reference Manual...
  • Page 2 Stack’d Series HOMEGRID Technical Rev 00 07/19/2021...

  • Page 3: Table Of Contents

    Stack’d Series HOMEGRID Technical Table of Contents Safety Precautions ......................1 1.1. General warnings ......................1 1.2. Charge and discharge warnings ..................2 1.3. Transportation warnings ....................3 1.4. Disposal of lithium batteries ................... 3 1.5. Before Connecting ......................3 1.6.

  • Page 4: Safety Precautions

    Stack’d Series HOMEGRID Technical 1. Safety Precautions It is very important and necessary to read the user manual carefully before installing or using the battery. Failure to do so, or to follow any of the instructions or warnings in this document, can result in electrical shock, serious injury, or death, or can damage battery, potentially rendering it inoperable.

  • Page 5: Charge And Discharge Warnings

    Battery needs to be recharged within 12 hours, after fully discharged. Do not connect battery with PV solar wiring directly. Use only with a HOMEGRID approved BMS. If charged after the Lithium Battery was discharged below the “Discharge cut-off voltage”, or when the Lithium Battery is damaged or overcharged, the Lithium Battery can release a harmful mixture of gasses such as phosphate.

  • Page 6: Transportation Warnings

    Stack’d Series HOMEGRID Technical 1.3. Transportation warnings The battery must be transported in its original or equivalent package and in an upright position. If the battery is in its package, use soft slings to avoid damage. Do not stand below a battery when it is hoisted.

  • Page 7: In Using

    ◆ Please do not open, repair or disassemble the battery except trained technicians from HOMEGRID or authorized by HOMEGRID. We do not undertake any consequences or related responsibility which, because of violation of safety operation, or violation of design, production and equipment safety standards.

  • Page 8: Introduction

    The Stack’d Series lithium iron phosphate battery is an energy storage product developed and produced by HOMEGRID, it can be used to support reliable power for various types of equipment and systems. The Stack’d Series is especially suitable for applications of high power, limited installation space, and restricted load-bearing and long cycle life.

  • Page 9: Specifications

    Stack’d Series HOMEGRID Technical 2.3. Specifications Figure 2.1.Overall system diagram Items Parameters Model SS*-LFP***00-2A01 Main Controller Module SS-MC100-200M2 Battery Module Type SS-FS48100-16OSJ1 Battery Module Chemistry LiFePO4 Battery Module QTY* Nominal Capacity(Ah) Nominal Energy(kWh)*** 9.60 14.4 19.2 24.0 28.8 33.6 38.4 Nominal(V) 48.0...

  • Page 10: Equipment Interface Instruction

    Stack’d Series HOMEGRID Technical 2.4. Equipment Interface Instruction Figure 2.2.Main controller module positive Instructions Instructions Power switch Display screen Status code Figure 2.3. Interface definition of main controller module Instructions Instructions Address Dial Switch Reserve Inverter CAN /RS485communication port Reserve...
  • Page 11 Stack’d Series HOMEGRID Technical Power switch Power switch: turn on/off the input and output of the whole system. Display screen Display screen: the interface can observe the operation status information SOC, SOH, charging and discharging power, alarm fault indication, charging and discharging status display and system status indication of the whole system.
  • Page 12 Stack’d Series HOMEGRID Technical Dial Code Switch Address Position Definition Coding The host stack can monitor the operation of other stack systems by setting the main switch posistion Set to the slave stack 2 Set to the slave stack 3...
  • Page 13 Stack’d Series HOMEGRID Technical Port definitions RJ11 Pin Function NC(NO connect) NC(NO connect) RS232-GND RS232-TX RS232-RX RS232-GND NC(NO connect) NC(NO connect) COM communication port COM communication port: Connect the monitoring host controller to query the data and monitor the running status of the system.
  • Page 14 Stack’d Series HOMEGRID Technical Port definitions RJ45 Pin Function RS485-B RS485-A RS485-GND NC(NO connect) NC(NO connect) RS485-GND RS485-B RS485-A Inverter CAN communication port Rear panel CAN communication port: (RJ45 port) follows can protocol and RS485 protocol. For the output system information, the system master uses this interface to communicate with External inverter PC and other equipment.
  • Page 15 Stack’d Series HOMEGRID Technical RS485-B Figure 2.4. Battery module interface definition Instructions Instructions RS232 communication interface Address Dial Switch Power switch Power switch Power switch: turn on / off the input and output of the whole battery module. RS232 communication port RS232 communication port: (RJ11 port) comply with RS232 protocol (baud rate: 9600), for manufacturers or professional engineers debugging or service.
  • Page 16 Stack’d Series HOMEGRID Technical When the battery module is connected in parallel, cascading communication is required. Hardware address configuration is required for both the master module and the slave module, and the hardware address can be set by the dial switch on the board. The definition of the switch refers to the table below.

  • Page 17: Sleep And Wake Up

    Stack’d Series HOMEGRID Technical 2.5. Sleep and Wake up 2.5.1 Sleep 1) The main controller module will turn off the main relay when the battery module has a charging and discharging MOS fault. 2) When the battery module has the output of under voltage protection battery shutdown, the main controller closes the main relay.

  • Page 18: How To Match Communication With Inverter

    Stack’d Series HOMEGRID Technical 3. How to match communication with inverter 3.1. Supported brands At present, the energy storage products of our company have completed matching tests with some series of inverters from the following brands, and we will continue matching tests with inverters of other companies.

  • Page 19: Connection With Inverter

    Stack’d Series HOMEGRID Technical 3.3. Connection with inverter This section will introduce how to connect the Stack’d Series products. Inverter manufacturers may upgrade their products, resulting in hardware communication interface changes. If communication is not possible in the application according to the following wiring method, please contact with us.

  • Page 20: Safe Handling Of Lithium Batteries Guide

    Stack’d Series HOMEGRID Technical 4.Safe handling of lithium batteries Guide 4.1. Schematic Diagram of Solution Figure 4.1. Schematic diagram of solution 4.2. Familiar with system Be careful when unpacking the system. The whole system is heavy. Do not lift it with a pole.

  • Page 21: Tools

    Stack’d Series HOMEGRID Technical to the operation Safety of installation personnel, please pay attention to these precautions. 4.4. Tools The following tools are required to install the battery pack: Wire cutter Cable clamp Screw Driver NOTE: ● Use properly insulated tools to prevent accidental electric shock or short circuits. If insulated tools are not available, cover the entire exposed metal surfaces of the available tools, except their tips, with electrical tape.

  • Page 22: Installation

    Stack’d Series HOMEGRID Technical 5.Installation 5.1. Package Items Unpacking and check the Packing List: 1) Connector Each system will be equipped with a positive connector and a negative connector. The two connectors are not connected to the cable, and users can wire according to the actual application needs.

  • Page 23: Parallel Installation

    Stack’d Series HOMEGRID Technical ◆ There is no mandatory ventilation requirements for battery module, but please avoid installation in confined area. Aeration shall avoid high salinity, humidity, or temperature. CAUTION If the ambient temperature is outside the operating range, the battery pack stops operating to protect, itself.
  • Page 24 Stack’d Series HOMEGRID Technical (3) The master controller address should be set to "1" for communication between the master controller and the inverter. The master controller switch should be turned off before connecting with the inverter. NOTE: ●Before starting the system, the operator should strictly check the connection terminal to ensure that the terminal is firmly connected, check whether the battery address is set correctly, and whether the inverter switches are in the off state.
  • Page 25 Stack’d Series HOMEGRID Technical check the no fault alarm on the display screen. System startup complete. (3) The master address of the slave is "2" and the parallel port is connected to the communication cable of the host parallel port. The upper controller can monitor the parallel port.

  • Page 26: Troubleshooting Steps

    Disconnect the power cables, measure voltage on power side, if the voltage is 53~54V, restart the battery, connect the power cable and try again, if this still does not work, turn off battery and contact distributor or HomeGrid warranty support. 2) Unable to discharge: Disconnect the power cables and measure voltage on battery side, if it is under 44V, charge the battery;...

  • Page 27: Storage,Transportation And Emergency Situations

    Damaged batteries are dangerous and must be handled with the utmost care. They are not fit for use and may pose a danger to people or property. If the battery pack seems to be damaged, pack it in its original container, and then return it to HOMEGRID or an authorized dealer. NOTE: Damaged batteries may leak electrolyte or produce flammable gas.
  • Page 28 Stack’d Series HOMEGRID Technical Address: 1350 Wigwam Parkway, Henderson, NV 89074 Email: info@homegridenergy.com Official website: www.homegridenergy.com Page 25 Contact...

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