RedEarth DropBear User manual

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 1 of 20 Issue Date 28/07/2020
DropBear
Battery Energy Storage System
- On or Off-Grid -
(Single Phase)
Installation Manual

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 2 of 20 Issue Date 28/07/2020
RedEarth Energy Storage Ltd
15 Fienta Place
Darra – QLD 4076
Australia
Tel: [phone]
Email: [email protected]
Web: www.redearth.energy

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 3 of 20 Issue Date 28/07/2020
Safety procedures
WARNING: Working inside of the DropBear system is restricted to qualified personnel.
Installers must be qualified electricians with CEC accreditation for Solar and Battery.
The DropBear must only be installed by suitably qualified personnel.
Many of the procedures covered in the INSTALLATION sections of this manual have
inherent risks. Whilst the DropBear is designed to be safe, including residual current
device and double insulated cables, the voltages connected or generated by the
equipment are hazardous and potentially fatal.
The wiring diagrams and installation instructions are given as a guide only and
compliance to appropriate standards is the responsibility of the installer. Such
standards are listed below:
AS/NZS 3000:2018
Wiring rules
AS/NZS 5033:2014 (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 4777.1:2016
Grid connection of energy systems via
inverters-Installation requirements
AS/NZS1768:2007
Lightning protection
AS/NZS 3008.1.1:2017
Electrical installations – Selection of cables
AS/NZS 5139:2019
Electrical installations-Safety of battery
systems for use with power conversion
equipment
In our efforts towards constant product enhancement, this document is subject to
change at any time. Please visit www.redearth.energy
and download the
appropriate and latest version manual.
If installing within 1km from coastal line, DropBear must be indoors

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 4 of 20 Issue Date 28/07/2020
Your RedEarth DropBear is an AC coupled ready-to-run energy storage system for On or Off-Grid
applications. It comprises of a Fronius Primo Solar MPPT inverter, Selectronic SP Pro Battery
inverter, self-managed lithium batteries and is fully assembled and factory tested. It is ready to
connect a PV Solar array and generator with either auto or manual start.
The DropBear is designed to be installed indoors or outside in a shaded and weather protected
environment against a wall. A changeover switch is included in case of system failure. In this case
the loads can then be run off a generator until the system is operational again.
RedEarth Energy can provide remote monitoring, technical support and service to ensure ongoing
operation of your DropBear. You can also access remote monitoring to view your consumption
online.
DropBear installations require the electrical connection of;
•The customers load – there are dedicated terminals inside the unit to connect to.
•Two arrays of PV solar panels which can be installed with different orientations.
•Generator - there are dedicated power, auto-start and battery charger terminals
inside the unit to connect to.
•Monitoring - The installer will need to connect the system to the internet via LAN
cable or 4G SIM-card. The details on how to set this up are explained in the
INSTALLATION - MONITORING section of this manual.
For a smooth installation, RedEarth offers installation training as well as a tech-support phone line
for any assistance regarding installation.
Note: The DropBear is not designed
to act as a main switch board for the
premises, 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.
The DropBear undergoes factory
testing and commissioning at
RedEarth’s headquarters before
shipping. All parameters are pre-set for correct operation between the SP Pro inverter, the Fronius
and the battery bank. However, some parameters may need to be adjusted during installation (eg.
generator size, maintenance run, etc). Please consult DropBear Commissioning section in this
manual as well as the Selectronic Manual.
Overview

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 5 of 20 Issue Date 28/07/2020
DropBear Weight: 205kg without any Lithium batteries (42kg per battery)
Dimensions: 200.5 cm H x 131.4 cm W x 65.6 cm D
Physical Specifications
DropBear Minimum Clearance
Dimensions: 210 cm H x 166.7 cm W x 117.4 cm D

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 6 of 20 Issue Date 28/07/2020
Inside:
The DropBear has two main areas, one for the batteries and the other for the switches and
electronic equipment. Each section has a key-lockable double door.
The top enclosure contains all of the electric-electronic equipment, switches and AC connection
terminals.
The “AC Breakers” window shown below contains all the AC protective and isolation points and
the changeover switch. Each device is labelled for easy identification. Labels can be seen in the
picture below.
Components

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 7 of 20 Issue Date 28/07/2020
Behind the control panel, the following items are found:
The bottom enclosure consists of a robust and perforated base to support full weight of the
batteries and a front and rear rail to secure the batteries in place.
Because of lithium batteries properties, it is possible to install additional batteries in your system at
any time, please contact RedEarth for further details.
Components

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 8 of 20 Issue Date 28/07/2020
Attached to the top of this chamber there are two fully enclosed battery busbars with the correct
number of battery cables.
The DropBear comes fully equipped with the following items.
•DropBear pre-wired enclosure
•Selectronic inverter
•Fronius Primo inverter
•Parts Kit Box
o2x Wall mount bracket
oVarious screws/ Dyna-bolts for fixing base and wall
brackets
oPV and Battery Sticker Kit
oGlands and plain to screwed adapters
oMC4 connectors
oAerial for 4G
connection
•DropBear Installation Manual
•DropBear User Manual
•SP PRO user manual
•Fronius manual
•Battery Specifications
•Warranty Information
Components

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 9 of 20 Issue Date 28/07/2020
Transporting:
The DropBear system is supplied strapped down to a pallet.
It is fully ready to run. The system weighs around 205kg
without batteries. The system requires lifting equipment to
be removed from the pallet and placed in position.
The base of the system has spaces for either a forklift or a
standard trolley jack to be used.
If the DropBear is too heavy to manage the Inverters and
batteries can be removed and then replaced once the
system is in position. Each battery module weighs 42kg and
up to 12 can be installed in the system.
The DropBear is designed to be placed against a wall in a
shaded and weather protected area with the system
securely connected to the wall with the wall bracket
included. Air inlet vents are on the side and base of the
system. Do not block them, ensure they are kept clear at all
times
Step 1: Securing in position
At installation position, mark a height of 1925mm from the floor.
As shown in the picture on the left, this mark indicates the
centre of the large hole. The two brackets should be spaced so
that they securely fastened to the
wall (eg. wall studs).
The wall bracket has two sets of
different size holes “A”s and “B”s.
As illustrated (right), set “A” is for
screwing into a wall stud with the
screws (supplied) and set “B” is for a solid concrete/ brick wall to be
secured with Dyna-bolts (supplied).
Installation
IMPORTANT: Before positioning the DropBear, be sure
that there is an available area of 2100 x 1667 x 1174 (H x
W x D). This will allow a minimum of 90⁰ open door angle
as well as lateral ventilation.

DropBear_Installation Manual
RE_PROD_0011 Version #2 Page 10 of 20 Issue Date 28/07/2020
Once wall brackets are firmly attached to the wall, move the DropBear into place with the help of a
trolley jack (or forklift) lifting it high enough to clear the bracket and slide in behind it.
On the base of the DropBear, there is a hole at the front on each side. These holes are for
securing the base with supplied Dyna-bolts, then plug these holes with supplied 25mm plugs to
limit pest ingress.
Masking tape is strategically positioned in between the doors and the unit. These are common
rubbing spots and the purpose of the tape is to avoid paint chipping during transportation. This can
now be removed.
With the DropBear in place, rotate the handles on the top and bottom door counter-clockwise to
open the doors. Remove the Control covers by unscrewing all identified screws in above picture.
By doing this, you will have access to all AC and DC, wire connection terminals and the “Comm’s
Area”.
Installation