RedEarth CopperHead User manual

CopperHead
INTEGRATED BATTERY SYSTEM—ON AND OFF-GRID
Three Phase Model

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
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For technical support: [e-mail]
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RedEarth Energy Storage is an Australian-owned and operated manufacturer of energy storage systems
Co-founded by CEO Charlie Walker, CTO Chris Winter, and non-executive director Bruce Ebzery in 2013, RedEarth Energy Storage began as a
start-up doing research and development into battery energy storage systems specifically for the Australian market.
Starting in the off-grid environment with the development of BlackMax, RedEarth has since added on-grid, commercial and industrial, and
residential systems to its suite of products, all designed to be modular and scalable to allow the end-user customer to update their systems
should their needs change.
RedEarth operates with the belief that electricity will be the primary energy source in the future, and that every business and residence can
generate more clean, green electricity than it can consume – meaning they can financially capitalise on their excess solar energy.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
15 Fienta Place, Darra BRISBANE QLD 4076 | 1800 733 637 | www.redearth.energy
3
Table of Contents
Table of Contents.................................................................................................................................... 3
Safety ..................................................................................................................................................... 4
Overview ................................................................................................................................................ 5
Dimensions and Clearance/Positioning Information ................................................................................ 6
CopperHead system overview ................................................................................................................. 7
Installation—Eight steps for installation ............................................................................................... 10
Step 1. Transporting the CopperHead ........................................................................................................ 10
Step 2. Positioning the CopperHead ........................................................................................................... 11
Step 3. Solar installation ............................................................................................................................ 11
Step 4. Electrical connections..................................................................................................................... 12
4.1 AC Connections ............................................................................................................................................................. 12
4.2 DC Connections............................................................................................................................................................. 14
4.3 PV Connections ............................................................................................................................................................. 14
4.4 Communications ........................................................................................................................................................... 15
Step 5: Turn ON and Shutdown procedure ................................................................................................. 16
Step 6: Commissioning .............................................................................................................................. 17
Step 7: Monitoring via RedEarth’s EMU App and Select.live ........................................................................ 20
Step 8: Customer Handover ....................................................................................................................... 20
Air-conditioning .................................................................................................................................... 21
Eight steps to remove/replace a failed unit ..................................................................................................... 22
Appendix A ........................................................................................................................................... 25
Single Line Diagram—Three Phase Communications ............................................................................................................... 26
Appendix B ........................................................................................................................................... 27
Technical Specifications—Selectronic SP Pro SPMC482 ........................................................................................................... 28
Technical Specifications—Fronius Symo PV inverters .............................................................................................................. 29
Technical Specifications—Battery Specifications ...................................................................................................................... 30

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
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4
Safety
Symbol Explanation
Refer to the operating instructions.
Indicates additional information, emphasized contents or tips that may be helpful.
Caution, risk of electric shock.
Caution, risk of danger.
Do not touch live parts until 10 minutes after disconnection from the power sources.
The wiring diagrams and installation instructions are given as a guide only and compliance to appropriate standards
is the responsibility of the installer. Relevant standards are listed below:
AS/NZS 3000:2018 Wiring rules
AS/NZS 5033:2021 (amdt 1&2) Installation and safety requirements for photovoltaic (PV) arrays
AS/NZS 4509.2:2012 Stand-alone power systems—Design
AS/NZS 1170.2:2011 Structural design actions—Wind actions
AS/NZS 1768:2007 Lightning protection
AS/NZS 3008.1.1:2017 Electrical installations—Selection of cables
AS/NZS 4777.2:2020 Grid connection of energy systems via inverters
AS/NZS 5139:2019 Electrical installations—Safety of battery systems for use with power conversion
equipment
The CopperHead must only be installed by suitably qualified personnel who have read and are familiar
with its operation and hazards.
The battery provided with this system must be charged only by the Selectronics inverter. Do not attempt
to charge the batteries with any other charger device or connect any devices directly to the DC battery
bus unless approved by RedEarth.
In the event of a fire evacuate the area and call emergency services. A dry
agent fire extinguisher should be readily available and used. DO NOT use
water.
Note: MSDS document is provided with the system and can be found at
www.redearth.energy
Do not use a damaged battery. Batteries should only be disposed of at an appropriate recycling centre.
Please contact RedEarth for advice.
A battery can present a risk of electrical shock and high short-circuit current. The following precautions
should be observed when working on batteries:
 Disconnect charging source prior to connecting or disconnecting battery terminals.
In our efforts towards constant product enhancement, this document is subject to change at any time.
Please visit http://www.redearth.energy and download the appropriate and latest version manual.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
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5
Overview
The RedEarth CopperHead is an Australian-made ready-to-run energy storage system for On or Off-Grid, three-phase
applications.
The system is designed to be easy to install and use. It is assembled and factory tested
prior to shipment and requires only limited programming on-site.
It uses Selectronics SP Pro battery inverters together with RedEarth’s TROPPO 4841
lithium batteries (LFP). As standard it is combined with Selectronic-certified Fronius
inverters making it an AC-coupled system. DC-coupled options with AERL MPPTs are
possible.
It is supplied with everything needed to connect the PV Solar array and a generator
(either 2-wire auto start or manual start), or the grid for grid-connected systems.
The CopperHead is designed to be installed outside in a shaded area. It has an IP54 rating and Is fitted with two replaceable air-
conditioners for hotter climates. A changeover switch is included in case there is a problem with the system. In this case the
loads are run solely off a generator (or the grid) until the system is operational again.
Remote monitoring is available subject to mobile phone coverage. This uses RedEarth’s EMU app. Starlink satellite Internet is an
option where no mobile coverage is available. Selectronics Select.Live monitoring Is also available.
CopperHead installations require the electrical connection of:
 The customers load – there are dedicated terminals inside the unit
to connect to.
 The AC outputs of the externally mounted Fronius PV inverters.
 Generator or Grid - there Is dedicated MCB as well as generator
auto-start and generator battery trickle charger terminals inside the
unit to connect to.
 Remote monitoring uses RedEarth's RedPi edge device as well as
Selectronics SelectLive- The RedEarth supplied RedPi has a built-in
SIM-card (requires mobile coverage), otherwise connect the internet
via LAN cable. Optional Starlink satellite connection can be arranged.
For a smooth installation, RedEarth offers installer training as well as tech-support during installation. RedEarth also requests
that the Installer contact RedEarth's Tech Support during installation once the system Is turned on. This confirms the remote
monitoring Is fully operational.
During factory testing all parameters are pre-set for correct operation between the SP Pro inverter, the Fronius PV inverters and
the battery bank. However, some parameters may need to be adjusted during installation (e.g., generator size, maintenance run
time, etc). Please consult this manual as well as the Selectronics Manual and comprehensive Selectronics website for additional
information if required.
NOTE: The CopperHead is not designed to act as a main switch board for the site, as it does not include space for additional
main & customer circuit breakers or RCDs. The MEN link and Earth connection need to be installed as per AS/NZS 3000:2018.
NOTE: Selectronics allows more complex installation options (such as dual phase or high-power grid T-connections) To Install
these, the installer should have experience with Selectronics and have received training directly from them. RedEarth primarily
supplies and supports our standard configurations.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
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6
Dimensions and Clearance/Positioning
Information
CopperHead Dimensions:
151cm H x 291cm W x 123cm D
CopperHead Weight:
1010 kg without Troppo
batteries (each battery is 42.5kg)
CopperHead Minimum
Clearance:
211cm H x 380cm W x 250cm D
This allows for opening of doors
and easy install/removal of
batteries.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
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CopperHead system overview
This is an overview of the front and rear sections of the CopperHead.
The front section contains the inverters, DC Breakers, AC switch gear, communications, and has 4 x key-lockable doors.
The rear section contains the TROPPO batteries (between 9 and 33 depending on the model) and has 3 x key-lockable doors.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
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The “AC Switchgear” shown below contains all the AC protective and isolation points as well as the changeover switch. Each
device is labelled for easy identification.
Removing the cover panel in the front section exposes all the cable connection points and switch gear wiring, as shown below
on the right.
The 22.5kW CopperHead (3x7.5kW inverters) is available with a minimum of 12 batteries (49.2kWh) up to 33 batteries (135kWh
nominal capacity). Each battery has a capacity of 4.1kWh.
An optional 15kW CopperHead is available (3x5kW inverters) can be provided with a minimum of 9 up to 33 batteries (4.1kWh
per battery), which provides from 36.9kWh to 135.3kWh nominal capacity.
The rear of the enclosure contains three bays of 19inch racks where the batteries are installed. Screws secure the batteries in
place.
NOTE: The CopperHead Is usually shipped without the batteries Installed. When installing the batteries distribute them evenly
across the three racks, starting from the top.
Due to the characteristics of RedEarth’s TROPPO lithium battery, it is possible to install additional batteries in your system at
later date. Please contact RedEarth to purchase extra TROPPO batteries.
The enclosure is pre-wired with battery cables for all 33 batteries via the bus-bar system. This makes adding additional batteries
a simple process of plugging in the spare battery cables into the connectors on top of each battery.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
15 Fienta Place, Darra BRISBANE QLD 4076 | 1800 733 637 | www.redearth.energy
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Components you receive
The CopperHead you receive on the pallet includes the following items:
 CopperHead system - pre-wired as ordered.
 Selectronic inverters installed.
 Fronius inverters as ordered.
 Troppo batteries as ordered.
 Parts Kit Box
o Sticker Kit for PV & battery.
o Glands and plain to screwed adapters for sealing the cable
entries.
o Antenna for 4G connection.
o 4 x Blanking plates for forklift holes.
o Screws for Troppo battery rack - How many?
 CopperHead Installation manual.
 CopperHead User manual.
 Selectronics SP PRO user manual.
 Fronius inverter manual.
 Air-conditioner manual.
 Battery SDS.
 Warranty Information.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
15 Fienta Place, Darra BRISBANE QLD 4076 | 1800 733 637 | www.redearth.energy
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Installation—Eight steps for installation
The CopperHead is designed to be easy to Install. It includes prewired connection points and comprehensive labelling and a
parts kit to simplify the installation.
Technical support is available directly from RedEarth during installation as required.
Selectronics also has detailed information and support available, especially for more advanced installations.
8 steps to complete your CopperHead installation:
1. Transporting – getting the system to site
2. Positioning – the system in its final location
3. Solar Installation
4. Electrical connections to the CopperHead
4.1. AC Connection
4.1.1. Load Connection
4.1.2. Generator connection
4.1.3. Generator Auto-Start and Charger
4.1.4. Generator Requirements
4.2. DC Connections
4.2.1. Battery installation and connection
4.2.2. PV Connections
4.3. Communication Connections
5. Start-up and Shutdown procedure
6. Commissioning
7. Monitoring via RedEarth’s EMU app and Selectlive
8. Customer Handover – including their access to the EMU app
Step 1. Transporting the CopperHead
The CopperHead system is supplied strapped down to a pallet. It is fully ready to run, just requiring the batteries to be installed.
The system weighs around 1010 kg without batteries. The system Is designed to be lifted by a forklift. It does not Include lifting
eyes.
For transportation foam blocks and other packaging Is used. This can be removed once the system Is In place.
WARNING: Personal Injury
Use safe lifting techniques and standard safety
equipment when working with this equipment.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
15 Fienta Place, Darra BRISBANE QLD 4076 | 1800 733 637 | www.redearth.energy
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Step 2. Positioning the CopperHead
The CopperHead is designed to be a free-standing, requiring access from all sides. RedEarth strongly recommends that it be
placed in a shaded area, for example under a solar array. Ensure the air vents on the doors are kept clear at all times.
Consider which Is the most suitable orientation for the CopperHead wrt the small see-thru access door for the main electrical
panel.
An important consideration is the access point for electrical connections. As per the images below, there are 2 access point
options - left-side and underneath the electrical panel behiind the main access door:
Step 3. Solar installation
The Fronius PV inverters supplied are Installed external to the CopperHead, and the AC output brought into the system via the
cable entry access points.
Note that the Fronius Inverters supplied are Selectronics certified, this means that in off-grid applications the total kW rating of
the Fronius Inverters can be up to 2x the total Selectronics inverter rating. For example, if the system has 3x7.5kW Selectronics
Inverters (total of 22.5kW), then up to 45kW of Selectronics-certified Fronius PV Inverters can be connected. In this case 3x15kW
or 2x20kW Fronius Inverters could be used.
The communication cable (CAT5/6) must be Installed between the Fronius Inverters and the CopperHead to allow proper
operation of the system.
IMPORTANT: Before positioning the CopperHead, be sure that there is an available area of 1700 x 3800 x 2500 (H x W
x D). This will allow a minimum of 90⁰ open door angle as well as walkway clearance.

CopperHead | Installation Manual Jan 2023
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The PV Array should be designed and installed in accordance with AS/NZS 5033 and the latest
CEC Installation guidelines. Caution should be taken in selecting PV panels and wiring method to
ensure Open Circuit Voltage (VOC) and Short Circuit Current (ISC) is not exceeded.
 PV array frame must be earthed
 Ensure that the array is within the inverter specification and polarity of the array is
correct.
 PV modules must have an IEC61730 Class A rating
WARNING: The Solar DC Isolator on the Fronius
inverters must be in the off position before any solar
panels are connected
Step 4. Electrical connections
Before any electrical connections are made, check all CopperHead internal connections are
secure and have not come loose during transport.
Ensure all breakers and isolators, as well as those supplying power to the unit, are turned
OFF.
With the CopperHead in place, rotate the handles on the doors counter clockwise to open the doors. Remove the Control covers
by unscrewing all identified screws shown in the picture. By doing this, you will have access to all AC and DC, wire connection
terminals and the “Comm’s Area”.
4.1 AC Connections
All AC cables should be brought through the 25mm or 32mm holes on the left-hand side panel or through the plate on the base
(under the Main Battery breaker). Secure with a gland (or plain-to-screwed adaptor if using corrugated conduit) and attach to
the correct terminals of the breaker as shown below.

CopperHead | Installation Manual Jan 2023
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The cables are then connected to the correct terminals
on the MCBs and Earth and Neutral bus bars as shown
below.
The AC cables from the externally Installed Fronius PV
inverters are connected to the dedicated PV inverter
MCBs. Up to three PV Inverters can be connected to the
3-phase breakers that are pre-installed for this purpose,
as shown.
4.1.1 Load connection
The three active cables are terminated into the bottom
of the Load circuit breaker, as shown. Earth and Neutral
must be terminated into the respective busbars.
NOTE: All other devices are already connected as per SLD
available in the back of this manual.
NOTE:: See SLDs in the back of this manual.
4.1.2 Generator connection
For a generator both the Active and Neutral wires must
terminate into the bottom of the generator circuit
breaker. Earth must be terminated into an empty slot in
the Earth Bar.
If the Grid Is used in place of a generator, then the
Neutral wire must not be switched.
4.1.3 Generator Auto-Start and Charger
The CopperHead contains a 12volt trickle charger to keep the generator's starter
battery charged as well as a 2-wire AutoStart feature. There are four terminals in the
Comms area of the CopperHead. These terminals are shown in the Image at right and
can be identified as,
 Gen Start: Dry contact
The two terminals on the left must be connected to a cable to activate the
generator 2-wire auto-start.
 Positive Terminal (charger)
The third terminal from the left must be connected to the positive (+12V)
terminal of the generator’s battery.
 Negative Terminal (charger)
The fourth terminal from the left terminal must be connected to the
negative (0V) terminal of the generator’s battery.
Connect these to the appropriate points on the generator.

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4.1.4 Generator Requirements
For the SPMC482 (7.5kW), the recommended generator size for 3-phase applications by Selectronic is 42kVA.
Please ensure that your generator meets or exceeds the following specifications:
 Generator waveform THD: < 10%.
 Generator Vrms range: 180 ~ 264Vac
 Generator voltage crest factor (Vpeak/Vrms): < 1.6
 Generator peak voltage: <380V
 Frequency range: 45Hz ~ 55Hz
 Frequency slew rate: <0.3Hz/sec
4.2 DC Connections
4.2.1 Battery Connection
The batteries are located in the rear of the unit. RedEarth's Troppo-4841 lithium batteries are used.
These are usually supplied separately for ease of transportation and must be installed correctly.
 To install a battery ensure they are all the same voltage (usually 53.3V) by turning them on Turn them off again
 Next, slide them into the shelves. Distribute then evenly between the shelves, starting at the top.
 Install the screws (from the parts kit) into the pre-Installed cage nuts to hold the batteries in place.
 Attach the short earth cable between the batteries.
 Next, connect the battery cables by push the black Amphenol plug onto the black Amphenol terminal of the battery. Do
the same with the red Amphenol battery cable.
 Note, there Is no communication cable required for the Troppo-4841 battery as they are self-managed.
4.3 PV Connections
The solar PV inverters are all attached external to the system. The AC cables, as well as the communication cable are brought into
the CopperHead through the 25, or 32mm holes on the left-hand side of the unit using the supplied plain to screwed adapters, or
through the plate on the bottom left-hand side of the CopperHead (as shown in 'Positioning the CopperHead').
NOTE: Care is required when selecting a generator for use with your CopperHead. If the
voltage, frequency, or current waveforms of the generator are not of a high enough quality,
then it will be rejected by the Selectronics inverter.

CopperHead | Installation Manual Jan 2023
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For technical support: [e-mail]
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4.4 Communications
The CopperHead has RedEarth’s RedPi edge device installed. It includes a 4G
SIM card and provides for easy monitoring of the system operation via
RedEarth's EMU app on a mobile phone.
The equipment is located on the side of the electrical panel behind the main
door of the CopperHead.
For the 4G monitoring to work the included antenna must be installed in an area
where there is sufficient mobile phone coverage. The cable of the antenna can
pass into the enclosure via the 16mm gland on the top left-side of the
CopperHead and be screwed into the top of the RUT240 modem as shown.
Note that if there is no mobile phone coverage, but there is a hard-wired
internet connection available, this can be used by passing the Cat5/6 cable
through one of the holes in the side of the CopperHead and connecting it to the
LAN terminal on the RUT240 device as shown here. RedEarth can also assist in
obtaining a Starlink satellite internet connection.
NOTE: once a connection is established you can contact RedEarth Tech Support
([phone]) to confirm that remote monitoring is functioning.

CopperHead | Installation Manual Jan 2023
RedEarth Energy Storage
For sales enquiries contact [e-mail]
For technical support: [e-mail]
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Step 5: Turn ON and Shutdown procedure
Power-up
To power up the system follow the steps below:
1. Turn on all the individual DC battery breakers on each TROPPO battery prior to turning on
the Main Battery Breaker. Wait for approximately 10 seconds. (pre-charging the Selectronics
capacitors)
2. Turn on the Main Battery Breaker.
3. Turn on the PV isolator located under each Fronius.
Before step 4, confirm the Selectronics inverters are powered up but not
inverting (outputting AC power).
4. Starting with the left-most Selectronics inverter, which is the
MASTER inverter, turn them ON by pressing and holding the
“ON” button on the top right-hand-side of the inverter.
5. Turn on all AC circuit breakers.
Shutdown
The following shutdown procedure should be followed. This procedure is also displayed on a sticker placed between the
inverters.
NOTE: The power-up and shutdown
procedures are the same, only in the reverse

CopperHead | Installation Manual Jan 2023
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Step 6: Commissioning
The CopperHead has been commissioned and tested in RedEarth’s factory
to confirm correct operation of the system prior to shipment. This is based
on the system specifications provided when it was ordered, (e.g., the
specific sizes of Fronius inverters required as well as number of batteries
and whether it is configured as an on-grid or off-grid installation).
However, some last-minute parameter adjustments may be required (e.g.,
generator size or weekly run-time to exercise the generator). Carefully
follow the procedure below on how to make these alterations without
compromising the existing configuration.
NOTE: The following procedure must be done by a qualified person.
NOTE: The program Selectronic SP Link is required to make these parameter
changes and can be downloaded from Selectronics’ web page
(http://www.selectronic.com.au/)
6.1 Step One
With the system powered up, connect a computer to the Selectronic SP Pro
(master) using the USB cable supplied in the Parts kit as shown at right.
6.2 Step Two
Open the program “Selectronic SP Link”. The following page will appear:
6.3 Step Three

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Click on the “Connection” tab and then on “Connect”.
The program will request you to “Save Site” before proceeding. Fill in a site name and then click “Save Site”.

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6.4 Step Four
Click on “Configuration Settings” tab and then on the “Get SP PRO’s Configuration” button to download existing settings from
the SP Pro to your laptop.
6.5 Step Five
Adjust the required parameters (any altered settings will be highlighted in yellow) and then click on the “Configure SP PRO”
button to send the new settings back to the SP Pro.
NOTE: In case of a factory reset on the parameters, the installer may contact RedEarth Energy Storage and by providing the
CopperHead’s serial number (on the QR code sticker) request the configuration file.

CopperHead | Installation Manual Jan 2023
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For technical support: [e-mail]
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Step 7: Monitoring via RedEarth’s EMU
App and Select.live
7.1 RedEarth EMU App monitoring
RedEarth’s pre-installed RedPi edge device includes a 4G SIM card and provides for easy
monitoring of the system operation using your mobile phone.
NOTE: Remote monitoring assumes that you have mobile phone coverage and that
your system was connected during installation.
To setup monitoring via the EMU App follow the steps below.
Download the RedEarth EMU app for Android or iPhone.
Open the app then scan the QRcode using the app. Make an installer account by
following the directions in the app. Then enter the installer email address.
If you require any assistance, please call RedEarth Tech support.
7.2 Select.live monitoring
Contact RedEarth Tech support if you want to use the Select.live portal.
Step 8: Customer Handover
Before handing the system over to the customer ensure the following items are completed:
 A MEN link is installed as required.
 The system is correctly earthed, either via the customer’s local earth or through a locally installed earth stake.
 If a 2-wire auto-start generator is connected, ensure that it can be started by the CopperHead. Also ensure the supplied
Victron battery charger is connected to the generator starter battery.
 Confirm that when the bypass switch is in By-pass mode the generator provides power directly to the customers loads
 The battery and DC terminal connections are tight. (Check during installation)
 Ensure any spare holes In the system are sealed to minimise the entry of vermin etc.
Handover to customer
 Confirm that the customer has scanned the QR code and entered their information, including an email address. Have
the customer download RedEarth’s EMU App. They will be able to register their system and begin monitoring it
immediately in the app. Otherwise, provide the customer’s contact details to RedEarth to complete onboarding the
customer at a later time.
 Explain to the customer how the system operates and demonstrate the operation of the generator auto-start.
 Also demonstrate the operation and effect of the By-pass switch, which runs all loads from the generator.
 Obtain any customer signatures required for claiming STC’s
Finally, provide the required documentation to RedEarth. This also ensures the full RedEarth warranty applies.