GivEnergy 8.2kWh LiFePO4 Battery Installation Guide

GivEnergy 8.2kWh LiFePO4 Battery Installation Guide

Note

The information included in this document is accurate at the time of publication. However, the product is subject to change without prior notice.

For Australian customers and consumers, the installation of this units should adhere to the requirements of AS 5139 Electrical Installations – Safety of Battery Systems for use with Power Conversion Equipment.

Introduction

Technical Specifications

Inverter Compatibility with the Giv-Bat8.2

Giv-Bat8.2’sBattery Management System (BMS) is designed to be compatible and used only with the approved GivEnergy and ESA inverters detailed in Table 2 below.

Table 2:

HY5.0; Giv- AC2.0; Giv-AC3.0; ESA-3600; ESA-5000.
Retrofit systems (existing string inverter of any brand)| Giv-AC3.0

Packing List

• Specification of external DC breaker’s shall be no smaller than 80A

General Battery Information

(Refer to Capture 1 below for matching the Item numbers above)

Capture 1:

Installation

CAUTION
Heavy object.
Team lift required.

For Australian customers, the installation should adhere to the requirements of AS 5139 Electrical installations – Safety of battery systems for use with power conversion equipment.

Wall Mount Installation

• Wall mounting battery rack and the accessories are supplied together with the battery unit – see item ‘E’ in Section 1.3 – Packing List.

• The thickness of the supporting wall for the battery must be not less than 120mm and of construction strength material such as brick or concrete.

• Place the wall mount rack onto the wall and mark the position of the rack holes on the wall surface. Please ensure the rack is positioned horizontally.

• Drill six Φ 10mm Diameter holes at the marked points with a minimum depth of 75mm. Refer also Capture 2 below.

• Fix the wall mount rack by fastening the six expansion bolts onto the wall and into the drilled holes. Carefully place the battery on the rack, as shown in Capture 2.

• Allow a minimum gap of 300mm surrounding the battery case to be free of any other objects or equipment.

• Products can be used indoors and outdoors. For indoor installation, no objectsshould be placed within the 300mm clearance distances as specified in Capture 2 below. This includes heat sources and any other equipment/wall/structure. Outdoor installation should be in a cool place and not exposed to direct sunlight.

• All installations should ensure adequate ventilation around the unit (minimum 300mm spacing) free of other objects and equipment. In particular, do not install the battery unit in direct air pathway of any other equipment extracting hot air – such as heaters, air-conditioners, compressors etc.

• All battery installations should be kept at a minimum distance of 1.5m from any other
  heat source or device producing heat – excluding other GivEnergy batteries and
  suitable inverters.

• Outdoor application should be suitable for the battery’s IP65 rating. Units require mounting in a cool place (with shading) and not exposed to direct sunlight. Avoid water spraying or splashing onto the units back and side panels from garden hosing.

• The battery should be always be installed and maintained only by approved and accredited installers or technicians.

Capture 2: Wall mounting bracket and clearance distances

Precautions: During installation and connection of the battery to the inverter

• Before connecting the inverter to the battery, you must install a separate DC isolator (not less than 80A) between the inverter and battery. This essential isolator will ensure that the inverter can be securely disconnected during maintenance.

DANGER

Reverse polarity will damage the inverter!!!

What Not To Do

Please read and comply with all of the following general conditions of installation and use of the battery

• DO NOT throw the battery into fire or water.
• DO NOT heat the battery or mount it in conditions that potentially expose it to temperatures beyond 45 ℃
• DO NOT use the battery when it becomes excessively hot, bulges, deforms or leaks.
• DO NOT puncture the battery by nails or other sharp objects.
• DO NOT throw, stamp on, impact or hit the battery.
• DO NOT open or try to repair the battery when it is defective. Warranty will become invalid if the battery is repaired or disassembled by unapproved technicians or installers.
• DO NOT use the battery when temperature exceed 45 ℃.

Connecting the Battery to the Inverter

Battery +/- cable (DC connection)

The red and black battery cables (DC) will be connected from the labelled battery terminals (BAT+/BAT-) in the battery unit through the DC circuit breaker to the battery terminals at the inverter, as shown in the Capture’s 3 & 4 below. Refer the following instructions (A to E) for mounting the DC cables to the Battery;-

A) Unscrew the waterproof terminal
B) Thread the cable through the waterproof terminal
C) Fix the cables with torque of 1.2-1.5NM
D) Tighten the waterproof terminal clockwise
E) Note: An external DC isolator is required within the power circuit between the approved inverter and battery with a recommended rating of 80Amps (per set of external power cables).

Capture 3:
DC connections from battery to inverter

Inverter Battery

Capture 4: DC connection inside the battery unit

BMS – RS 485 Communication

The RS485 cable provided is to be used to link the BMS software between the inverter and battery to enable communications between the devices. The RS485 cable will run from the communications (‘comms’) port of the battery to the port in the inverter.

The comms port in the inverter is labelled as BMS+/BMS and is shown in thebelow sections 2.3.2.1 (Hybrid Inverter) and 2.3.2.2 (AC Couple Inverter).

The comms port in the battery is labelled as shown in the below section 2.3.2.3 (Battery Unit)

Please ensure the correct polarity of the comms cable as incorrect polarity will cause miscommunication between the inverter and battery BMS – resulting in functionality and reporting errors. Use the modular green plugs supplied in the battery pack for termination and slotting into the appropriate comms port on the inverter and battery devices. For multiple battery packs installations also refer to section 2.4.

Location of the RS485 Communication Port on the Hybrid Inverter.

Location of RS485 Communication Port on the AC Couple Inverter.

Location of the RS485 Communication Port on the Battery Pack.

Grounding connection

The Battery must be grounded by 10mm earthing cable. The grounding point on the battery can be seen in Capture 2.4.1 below. Earthing from the battery to the inverters earth connectors is acceptable.

Capture 2.4.1 – Battery Earthing Point

Connecting Multiple Batteries to the Inverter

The Giv-Bat8.2 is a modular design enabling up to four battery packs to be connected per inverter. For wiring additional battery packs, see the below Capture 2.5.1 below – diagraming the power cable connection and BMS instructions. Note: An external 2 Pole DC Isolator is required between the parallel connections. The recommended rating is 80A. Refer also Captures 2.5.2 & 2.5.3 below for graphic illustration.

Capture 2.5.1:
Power Cable Connections and BMS Instructions

Capture 2.5.2:
DC Power Connection on Primary and Secondary (Master and Slave) Batteries

Capture 2.5.3:

Communication connection:
Either battery can act as Primary or Secondary level. Primary battery should have a communication cable connected to inverter, and the secondary battery has a cable connected to primary battery. Please use the communication cable to connect the Portal 485 to the inverter BMS+ & BMS-

Please also ensure the Dim Switch coding below is set correctly according to the corresponding number of battery packs installed.

Capture 2.5.4 below outlines the appropriate number settings for the installation of multiple battery packs.

Capture 2.5.4

Dim Switch Settings for Multiple Battery Packs

Battery start up/shut down procedure

Turning on the battery

Before opening the battery, it is necessary to carefully check whether the direct connection between the battery and the inverter is correct. After confirming that there is no error,

1. Close/turn on the DC SWITCH (isolator)
2. Press and hold down the battery’s ON/OFF button to status off (‘System Switch’ – refer Section 1.4). Press only until you hear a beeping sound
3. The status light on the battery will turn green when properly turned on..

Turning off the battery

If the battery needs to be turned off, complete the following

1. Press the battery’s ON/OFF button (‘System Switch’ – refer Section 1.4) for FIVE seconds
2. The battery will emit a long beep once – when heard, depress and release the battery’s ON/OFF button
3. A red light will appear indicating the battery has been turned off
4. After turning off the battery, please turn off the DC SWITCH (isolator).

LED indicators

The LED indicators on the front of the battery will indicate battery’s status (see Table

1. and the (SOC) current charge level (see Table 2).

Table 1: LED working status

electric quantity indication
error| Red| According to electric quantity indication

Table 2 Description of battery capacity indication (SOC)

**** Battery SOC %| 0～25%| ON| OFF| OFF| OFF
25～50%| ON| ON| OFF| OFF
50～75%| ON| ON| ON| OFF
75～100%| **** ON| **** ON| **** ON| **** ON

Check the running state of the battery

Once the battery and inverter communications have been confirmed as properly connected and functional, ensure both the battery and inverter are switched on. The GivEnergy monitoring portal will display and confirm the correct functioning of the battery.

Viewing the monitoring portal will enable you to verify the valid running state of the battery. There are two options to access the portal;-

1. Follow the Wi-Fi set up instructions in section 2.8.1.
2. Go to http://www.givenergy.cloud and enter the username and password issued by your supplier. You will be prompted to

a. Enter the ‘view interface’
b. Enter the inverter serial number (detailed on the side label of the suitable inverter)
c. Click on the “BATT Cell” option on the top menu.
d. As per the Capture 2.8 below, the activity and Voltage readings for each of the battery cells will be displayed in real time readings.

Capture 2.8:
Monitoring Portal Screen Shot of the Battery’s Cell Activity

Monitoring Features

The GivEnergy Monitoring portal will give you real time (every 5 mins) and historical data reporting on the energy relating to the PV generation, household consumption, the battery storage, charging and discharging activity and importing and exporting with the grid.

Many other features of the portal such as monitoring grid voltages, battery temperature, individual cell state of charge status etc can also be observed. It is essential you maintain constant WiFi connection to view these features and maintain warranty coverage.

Configuring the Wifi

The WiFi device is to be connected at the time when the battery’s suitable inverter is installed.

The Communications Device

The USB Dongle comes in a varieties – WiFi or 4G. WiFi modules typically have a serial number that starts with ‘W’, and 4G typically start with ‘G’. Only the WiFi version is available in Australia.

You can also tell the difference by removing the blue rubber cap at the base of the device and taking a look inside. WiFi modules have a small reset button, whereas 3G modules

Configuring the WiFi Module

Powering the WiFi Module

Insert the WiFi module into the USB port on the underside of the GivEnergy Hybrid Inverter. The inverter must be powered in order for the setup to take place. If you don’t currently have access to an inverter that is switched on, you may plug it in to a computer like you would any other USB device. Once the dongle receives power, it will start to flash slowly.

Connecting to the WiFi Module using your Computer

If the module is flashing, this means that it’s ready to be configured. Open up your list of wireless

Networks and find the network with the same name as the serial number of the dongle.

Click connect. Once connected you will no longer have an internet connection anymore. Confirming this will also test if you have connected properly with the dongle.

Connecting the WiFi Module to the Internet

Open up a web browser (we recommend Google Chrome) and type in 10.10.100.254. You should be prompted to enter credentials to access this page. By default, the username and password are both ‘admin’. This can be reconfigured later for security, if you or the end user wishes for this to be changed.

If the page loads in another language, click ‘English’ in the top-left corner to change it.

Click ‘STA Interface Setting’ on the left to configure the dongle, and the following page will load. Click ‘Search’ next to AP’s SSID at the top of the page and look for the wireless network you wish for the dongle to connect to. If you can’t find the network you’re looking for, press refresh.

If selected correctly, the SSID will populate the AP’s SSID field. Ensure the correctsecurity mode is selected (typically WPA2PSK) and enter the device’s password in the ‘Pass Phrase’ field. Click ‘Apply’ to confirm these settings.

Changing the security settings on the WiFi Module

Select ‘AP Interface Setting’ on the left of the page. This brings up the page to configure the security settings for the dongle itself.

Change the ‘Security Mode’ to WPA2-PSK.

Once the box appears, please enter the passcode that will be used to connect to the Dongle in the future.

By default, this is set to
12345678

You may set this to whatever the customer wishes, but please make sure that this password is written down somewhere as it will be necessary to connect to the Dongle again.

Once you have entered the correctsettings, click apply.

If you wish to change the login username and password for the Dongle, select ‘Device Management’ on the left- hand side. Here you may change ‘Account’ and ‘Password’ for increased security. As with the above, please make sure you write this down if you change it. Click ‘Apply’ to confirm these changes. Press the ‘Restart’ button to restart the dongle, and wait a few seconds for it to start back up.

Checking the WiFi Dongle is connected to the internet

If all of the previous settings were configured correctly, your computer should no longer be connected to the dongle.

Connect to the Dongle using the same steps listed in .2.2. This time, you’ll need to enter the password for the dongle, as set on ‘AP Settings Interface’ in .2.4. The device should now display as ‘secured’ among the list of nearby WiFi networks.

Once connected, you should be able to connect to the internet as you normally would on another WiFi network. Confirm that the dongle has been currently configured by loading a web page in a web browser (whilst connected to the dongle).

Safety

Fire

Warning

• This document should be fully read before any approved technician installs or maintains the unit. All safety and installation instructions need to be fully adhered to avoid harm or injury or damage to the unit and preservation of warranty coverage.
• This equipment can involve risk of electric shock and leaked gases – so all handling and general precautions outlined in this manual need to be followed.
• In case of fire, make sure there is ABC or carbon dioxide fire extinguishers nearby.
• Do not use water to put out the fire.
• The battery pack may catch fire when heated above 150 ° C. If there is a fire at the place where the battery is installed, please carry out the following operations:
  • Extinguish the fire, putting it out before the battery catches on fire.
  • If the battery catches on fire, do not attempt to extinguish it. In this event, evacuate all people form the vicinity IMMEDIATELY.
• If the battery is damaged, please contact the GivEnergy hotline or your dealer for assistance as soon as possible. If it is safe, disconnect the battery at the DC isolator point and using the batteries’ on/off switch. Any battery damage is potentially dangerous and must be handled with great care.
• If flooding occurs, ensure the unit is completely shut down and do not re-start until the battery and surrounding areas are completely dry
• Only authorised GivEnergy sellers and their technicians should install, service, maintain or remove the unit – check with GivEnergy UK (Australia) hotline if in doubt,
• In case of doubt regarding any of the above risks, please consult the authorized distributor or the GivEnergy hotline.

Shipping

The product should be used within standard and practical provisions. Avoid any inappropriate actions endangering its physical wellbeing such as throwing, dropping or potential for collision with other objects. Potential dangerous environmental conditions such as exposure to rain, strong radiation, corrosion / erosion and or any exposure to strong vibrations need to be avoided during transportation.

Storage

Store the devise indoors and only in an environment with an ambient air temperature between -20C to +50C, and with an the average monthly relative humidity of less than 90%. Ambient air conditions also include areas free of corrosion and flammable and explosive gases and liquids. Storage warehouses should also be ventilated, free of alkaline, acidic substances and other corrosive gases. All storage facilities should be free of any mechanical vibration, shock, direct sunlight and strong electromagnetic fields.

Handling and Lifting the Battery

The GivEnergy Battery unit is heavy – we recommend using suitable lifting equipment when moving and handling the unit. Handling the with the appropriate equipment and/or precautions will prevent unit damage and handler injury.

Troubleshooting

There are no user serviceable parts in the battery. Please do not attempt to open the battery unless you are qualified to do so. Contact the GivEnergy Technical Team if you encountered any issues during installation/service/operation.

offering the normaloperating temperature range (between -10℃ and 50℃)
2| Current : If current is greater than 80A, battery protection will turn on i.e. The battery will stopcharging/discharging| Check whether the current is too large or not, if it is, modifications on power supply side will be necessary.
3| High Voltage : If the charging voltage rises above 57.2V, battery protection will turn oni.e. The battery will shut downand stop charging/discharging.| Check whether voltage is too high or not, if it is, change the settings on power supply side.
4| When the battery discharges to 44.5V or less, battery protection will turn on i.e. The battery willstop charging/discharging| Charge the battery for some time, the red status light will turn off. This can be sourced by PV, the grid or other power sources – refer to your distributor.
5| The battery failing to be charged| Disconnect the power cables, measure the voltage on power side, if the voltage is 53~54V, then connect the power cable and restart the battery. If it still does not charge, turn off battery and contact the distributor.
6.| The battery cannot be discharged| Disconnect the power cables and measure the voltage on battery side, if it is under 44.5V, please charge the battery; if voltage is above 48V and still cannot discharge,turn off the battery and contact the distributor.
7| No status/SOC lights on the battery| Manually turn on the battery by pressing the on/off button for 5 seconds. Check the Voltage of the battery terminals. If it is less than 40V, contact the distributor.
8| Battery status light is RED| 1.  Check the BMS cable for polarity and continuity2.  Check battery internals to ensure they are free from any water/foreign materials/corrosion.Ø  If status light remains RED, contact distributor.

Maintenance and Cleaning

Checking Heat Dissipation

If the battery regularly reduces its output power due to continued high temperatures, please improve the heat dissipation conditions. Ensure the safe distance from other heat sources is maintained.

You may also need to clean the heat sink, or look for other obstructions. Always maintain safe ventilation precautions as outlined above.

Cleaning the Battery

If the battery is dirty, please shut down completely the battery (see section 2.6.2) and inverter before undertaking any cleaning activity.

The battery’s enclosure lid can be cleaned with a lint free cloth, soap and water(to dampen the cloth only). Avoid using cleaning solvents or chemicals. Whilst cleaning the unit, pelase ensure no objects are leaned, stacked or hang from the battery.

Checking the DC Switch

Check for externally visible damage and discoloration of the breaker and the cables at regular intervals eg monthly. If there are any signs of visible damage to the breaker, or visible discoloration or damage to the cables, contact the installer or GivEnergy (UK) Aust P/L directly.

Maintenance – Ventilation and charging the battery

The battery must be free from any debris or objects – in particular at the ventilation points of the casing.

The only other maintenance activity recommended for the GivEnergy battery is to undertake a complete charge and discharge of the battery (eg from the grid where possible) every six months. If you are unable to perform this, then on request, your distributor can facilitate this through the monitoring portal.

It is essential you maintain constant WiFi connection (attached to the compatible inverter) to view the monitoring features on the GivEnergy portal and to maintain warranty coverage.

Warranty

GivEnergy UK Co and the OEM “JMHing Pty Ltd” (‘Manufacturer’) are jointly the manufacturers of the ‘GivEnergy’ range of battery packs.

GivEnergy UK (Aust) P/L (‘Distributor’) is the Manufacturer’s distributor in Australia. For the purpose of this Warranty, both the Manufacturer and Distributor are jointly referred to as the supplier (‘the Supplier’) of the product.

The Supplier (i.e. via its Distributor) at Level 9, 540 Collins Street, Melbourne 3000warrants that your product is (a) of acceptable quality and (b) does not have any latent defects.

Please refer to the separate warranty documentation for full terms and conditions of the GivEnergy 8.2 battery warranty.

References

• givenergy.cloud

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