HOMEGRID Stack'd Series Manuale utente

Stack’d Series

Reference Manual

Rev 1.61

12/24/2021

Table of Contents

1. SafetyPrecautions ............................................................................................................ 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. During Use ...................................................................................................................... 4

2. Introduction...................................................................................................................... 5

2.1. Lithium iron phosphate Battery....................................................................................... 5

2.2. Stack’dSeriesFeatures ..................................................................................................... 5

2.3. Specifications .................................................................................................................. 6

2.4. EquipmentInterfaceInstruction........................................................................................ 7

3. How to use the Monitoring Software Ems Tools .......................................................... 16

3.1. Monitoring Software Ems Tools connection ................................................................ 16

4. How to match communication with Inverter ................................................................. 20

4.1. Supported brands........................................................................................................... 20

4.2. Inverter matching list .................................................................................................... 20

4.3. Connection with inverter............................................................................................... 21

5. Safe handling of lithium batteries Guide ....................................................................... 22

5.1. Schematic Diagram of Solution .................................................................................... 22

5.2. Unpacking the system ................................................................................................... 22

5.3. Precautions before installation ...................................................................................... 23

5.4. Tools.............................................................................................................................. 23

5.5. Safety Gear.................................................................................................................... 23

6. Installation ..................................................................................................................... 24

6.1. Package Items................................................................................................................ 24

6.2. Installation Location...................................................................................................... 25

6.3. Parallel Installation........................................................................................................ 26

7. Trouble Shooting Steps.................................................................................................. 31

7.1. Problem determination based on ................................................................................... 31

7.2. Preliminary determination steps.................................................................................... 31

7.3. The battery cannot be charged or discharged................................................................ 31

8. Storage, Transportation and Emergency Situations....................................................... 32

8.1. Storage........................................................................................................................... 32

8.2. Transportation ............................................................................................................... 32

8.3. Emergency Situations.................................................................................................... 32

Stack’d Series HOMEGRID Technical

Page 1 Chapter 1: Safety Precautions

1. Safety Precautions

It is very important to read the user manual carefully before installing or using 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. Installing the battery incorrectly can permanently damage

battery or rendering it inoperable.

1.1. General warnings

Any internal lithium ion cell material such as electrolyte or powder on the skin or

in the eyes must be flushed with plenty of clean water immediately. Then seek

medical assistance. Any material spilled on clothing should be rinsed out with

water

Explosion and fire hazard. Terminals of the Li-ion Battery are always alive;

therefore, do not place items or tools on the Li-ion Battery. Avoid short circuits, over

discharges and high charge currents. Use insulated tools. Do not wear any metallic

items such as watches, bracelets, etc. In case of fire; you must use a type D, foam or

CO2 fire extinguisher.

Do not open or dismantle the battery. Electrolyte is very corrosive. In normal

working conditions you will not have any contact with the electrolyte. If the

battery casing is damaged do not touch the exposed electrolyte or powder

because it is corrosive.

For more information about this product, please visit the official website:

http://www.homegridenergy.com

Work on a Li-ion Battery should be carried out by qualified personnel only.

While working on the Li-ion Battery wear protective eyeglasses and clothing.

Li-ion batteries are heavy. If involved in an traffic accident they can become

a projectile! Ensure adequate and secure mounting and always use suitable

handling equipment for transportation.

Handle with care because this lithium ion battery is sensitive to mechanical forces

Do not expose bare cables outs, all the battery terminals must be disconnected

Do not place in an area used by at a children or pets.

Do not use cleaning solvents to clean battery.

Do not expose battery to flammable or harsh chemicals or vapors.

Stack’d Series HOMEGRID Technical

Page 2 Chapter 1: Safety Precautions

1.2. Charge and discharge warnings

If the battery is stored for long time, it is required to charge them every six months,

and the SOC should be no less than 90%.

Use only with BMS approved by the supplier.

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.

The temperature range for battery charging is0°C to 55°C. Charging the battery at

temperatures outside this range may cause severe damage to the battery or reduce

battery life expectancy.

The temperature range for battery discharging is -20°C to 55°C. Discharging the

battery at temperatures outside this range may cause severe damage to the battery or

reduce battery life expectancy.

Do not drop, deform, impact, or cut with a sharp object.

Do not power wash the battery or get wet. Direct sunlight must be avoided at

Do not use a damaged battery.

Please contact the supplier within 24 hours if there is something abnormal.

Do not paint any part of battery; include any internal or external components.

Battery needs to be recharged within 12 hours, after fully discharged.

Do not connect battery with PV solar wiring directly.

Do not place any foreign objects into any part of battery.

The warranty will be void for direct or indirect damage due to items above.

Stack’d Series HOMEGRID Technical

Page 3 Chapter 1: Safety Precautions

1.3. Transportation warnings

NOTE

：

●Batteries are tested according to UN Handbook of Tests and Criteria, part III, sub section 38.3

(ST/SG/AC.10/11/Rev.5).

●For transport the batteries belong to the category UN3480, Class 9, Packaging Group II and have to be

transported according to this regulation. This means that for land and sea transport (ADR, RID & IMDG)

they have to be packed according to packaging instruction P903 and for air transport (IATA) according to

packaging instruction P965. The original packaging complies with these instructions.

1.4. Disposal of lithium batteries

1.5. Before Connecting

◆After unpacking, please check product and packing list first, if product is damaged or lack of

parts, please contact your distributor.

◆Before installation, be sure to turn off the grid power and make sure the battery is in off mode.

◆Wiring must be correct, do not reverse the positive and negative cables, also ensure no short

circuits with the external device.

◆DO NOT connect the battery and AC power directly.

◆The embedded BMS in the battery is designed for 48V DC, DO NOT connect battery in

series.

◆Battery system must be well grounded, and the resistance must be less than 1oumu;

◆Make sure the grounding connection set correctly before operation.

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.

Never lift the battery at the terminals or the BMS communication cables, only lift the

battery at the handles.

Batteries marked with the recycling symbol must be processed via a recognized

recycling agency. By agreement, they may be returned to the manufacturer.

Batteries must not be mixed with domestic or industrial waste.

Do not throw a battery into fire.

Stack’d Series HOMEGRID Technical

Page 4 Chapter 1: Safety Precautions

◆Please ensure the inverter and other equipment are compatible.

◆Keep the battery away from water and fire.

1.6. During Use

◆If the battery system needs to be moved or repaired, the power must be turned off on the

controller and each battery module is switched off.

◆DO NOT connect this battery with any different type or manufacturer of battery.

◆DO NOT connect the batteries with faulty or incompatible inverter.

◆DO NOT disassemble the battery.

◆In case of fire, only use dry powder fire extinguisher, liquid fire extinguishers are prohibi

Stack’d Series HOMEGRID Technical

Page 5 Chapter3: How to use Monitoring Software EMS Tools

2. 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.

The Stack’d Series has a built-in BMS battery management system, which can manage and

monitor cell’s information including voltage, current and temperature. The BMS can also help

extend the cycle life by balancing cells during charging and discharging.

Multiple battery stacks are allowed to be connected in parallel to expand capacity and power to

meet almost any requirement.

2.1. Lithium iron phosphate Battery

The lithium iron phosphate battery (LiFePO4 or LFP) is the safest lithium battery. A single LFP

cell has a nominal voltage of 3.2V. A 48V LFP battery consists of 15 cells connected in series.

LFP is the chemistry of choice for very demanding applications. Some of its features are:

◆Safety- LFP is the safest Li-Ion battery and does not propagate thermal run away.

◆High round trip efficiency.

◆High energy density - More capacity with less weight and volume.

◆High charge and discharge currents - Fast charge and discharges are possible.

◆Flexible charge voltages.

The lithium iron phosphate battery is therefore the chemistry of choice for a range of very

demanding applications.

2.2. Stack’d Series Features

◆The whole module is non-toxic, pollution-free and environment-friendly;

◆Cathode material is made from LiFePO4 for safety, performance, and long cycle life;

◆Battery management system (BMS) has many protection functions including over-discharge,

over-charge, over-current, and high/low temperature;

◆The system will automatically manage charge and discharge state and balance current and

voltage of each cell;

◆Flexible configuration, multiple battery modules can be internal for expanding voltage and

Capacity.

◆Adaptative self-cooling reduced system noise;

◆The module has low self-discharge, up to 6 months without charging, no memory effect,

excellent performance of low discharge;

◆Working temperature range is from -20℃to 55℃, (Charging 0℃~55℃; discharging -

20℃~55℃ ) with excellent discharge performance and cycle life;

◆Small volume, plug-in embedded design module, easy to install and maintain;

Stack’d Series HOMEGRID Technical

Page 6 Chapter3: How to use Monitoring Software EMS Tools

2.3. Specifications

Figure2.3.1Overallsystemdiagram

No. Items Parameters

1 Model PF5-LFP***00-2A01

2 Main Controller Module HG-MC100-200M2

3 Battery Module Type HG-FS48100-15OSJ1

4 Battery Module Chemistry LiFePO4

5 Battery Module QTY 2 3 4 5 6 7 8

6 Nominal Capacity(Ah) 200 300 400 500 600 700 800

7 Nominal Energy(kWh)*** 9.60 14.4 19.2 24.0 28.8 33.6 38.4

8 Voltage

Nominal(V) 48.0

Recommend

Charging(V)

53.25

Max.Charging(V) 55.5

Discharge Cut-off(V)

40.5

9 Current

Max.Charging(A) 180 270 300 300 300 300 300

Max.Discharging(A)

180 270 300 300 300 300 300

Peak for 10s(A) 300 300 500 500 500 500 500

10 Weight (Approx.) 230lbs 325lbs 420lbs 515lbs 610lbs 705lbs 800lbs

Dimensions

(H*W=29”*D=15.75”)

24.2” 29.4 35.2” 41” 46.8” 52.6” 58.4”

12 Communication RS485, CAN

13 Cycle Life 6000 times@80%DOD

14 Designed Calendar Life ≥10 years

15 Safety Function

Over-charge, Over-discharge, Over-current, Low/High-temperature, Low-

voltage, Short-circuit Protections

16 Parallel Capability Maximum 15Stacks (Recommended 6 Stacks)

Stack’d Series HOMEGRID Technical

Page 7 Chapter3: How to use Monitoring Software EMS Tools

2.4. Equipment Interface Instruction

Figure2.4.1Controllermodulepositive

No. Instructions NO. Instructions

1 Animated streamline 6 Battery state of health (SOH)

2 Discharge power 7 Numerical percentage

3 Charging power 8 Number of modules

4 Numerical information 9 Fault (error)

5 Battery state of charge (SOC) 10 Alarm (warning)

2 3 4 56

Figure2.4.2Controllermodulepositive

No. Instructions NO. Instructions

Power switch

Hardware version

Current voltage level

Energy throughput

3 Software version 6 Capacity of a new battery

910

Stack’d Series HOMEGRID Technical

Page 8 Chapter3: How to use Monitoring Software EMS Tools

Figure2.4.3Interface definition of Controller module

No. Instructions No. Instructions

1 Inverter protocol dialing switch 9 Parallel communication port B

2 Imped. SET (Reserved) 10 Parallel communication port A

3 Address Dial Switch 11 Inverter CAN communication port

4 Dry Contact (Reserved) 12 Inverter RS485communication port

5 Inverter CAN/ RS485communication port 13 CAN upgrade communication port

6 Hall Current (Reserved) 14 RS232 communication interface

7 Reserved 15 Charge discharge negative electrode

8 Reserved 16 Charge discharge positive electrode

Power switch: turn on/off the input and output of the whole system.

Display screen: the interface can observe the operation status information SOC, SOH,

charging/discharging power, alarm fault indication, charging and discharging status, and system

status of the whole system.

Status code: The code will only be displayed on fault, during if the system is normal the code

will not be shown. The definition of alarm is shown in the table below：

4 7 8 9 10

2 3

5 6 11 12 13 14

Power switch

Display screen

Status code

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