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Installation and Operation Manual
Gecko
• Whole home backup option
• On-grid and off-grid homes
• 1-phase and 3-phase homes
• RedEarth Private Power Plant ready
CERTIFIED
RedEarth's Gecko systems offer
Australian-made scalability, making
them an excellent and enduring
investment for your home. Available
in both single and three-phase
configurations, the Gecko provides
a range of power outputs tailored to
.
accommodate your specific needs
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Summary of Contents for RedEarth GCK-5-1 Series
- Page 1 Installation and Operation Manual Gecko • Whole home backup option • On-grid and off-grid homes • 1-phase and 3-phase homes • RedEarth Private Power Plant ready CERTIFIED RedEarth’s Gecko systems offer Australian-made scalability, making them an excellent and enduring investment for your home. Available in both single and three-phase configurations, the Gecko provides...
- Page 2 The battery provided with this system must only be charged by the Deye inverter or the V2G (vehicle to grid) charger supplied by RedEarth. Do not attempt to charge the batteries with any other charging device or connect any devices directly to the DC battery bus unless approved by RedEarth.
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Page 3: Table Of Contents
Gecko – Installation and Operation Manual Table of Contents Overview .....................................5 Dimensions & positioning information ........................7 Gecko components description ..........................8 The 8 steps to complete installation and customer handover ..............12 Step 1. Transport ....................................12 Step 2. Positioning ....................................13 Step 3. - Page 4 Gecko – Installation and Operation Manual Page 4 of 41 Issue date: 28/05/2024. Version 1.4...
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Page 5: Overview
For the homeowner, it minimises electricity bills, optimises electricity usage (including electric vehicle charging) and reduces the home’s carbon footprint. RedEarth also provides the option of ongoing manufacturer support and benefits for 10 years after the Gecko has been installed, by joining RedEarth's Optimum program. - Page 6 Additionally, you contribute to a sustainable future by significantly reducing energy waste and, over time, effectively eliminating power bills. RedEarth also offers the smartest EV charging solutions, even including a V2G (vehicle-to-grid) option. The decision to "RedEarth-ify" your home is not just an investment in the present but a forward- thinking step towards financial security, eco-...
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Page 7: Dimensions & Positioning Information
Note: this excludes the inverter (see below) the battery enclosure and the inverter Gecko Inverter sizes and weights together with battery capacity options available (For other inverter specifications please speak to your RedEarth sales representative): Single-Phase 5KW Inverter Single-Phase 8KW inverter... -
Page 8: Gecko Components Description
Under the lid access is available to the DC bus bars, MCCB Main Battery Breaker terminals, Earth cable, RedEarth's remote monitoring system and the holes for the glands to pass all the cables out of the battery enclosure and up to the inverter. - Page 9 Parts kit along with cable lugs so the cable length can be cut to the correct length based on the final location of the inverter. This section also includes RedEarth’s remote monitoring equipment (if ordered) It is pre-configured in the factory for the supplied inverter, making it a RedEarth-certified inverter. The monitoring equipment is powered directly from the 48Vdc battery via the supplied DC/DC converter.
- Page 10 The Gecko is supplied with documentation and a parts kit box to complete the installation. Documentation Gecko QSG (Quick Start Guide) RedEarth Tech Bulletins - to quickly explain the most common Installer FAQs. Gecko Installation manual Feed-in meter manual (Eastron) (optional) Inverter manual –...
- Page 11 2 x battery cables (35mm2 or 70mm2) depending on the inverter size 2 x cable lugs for the unterminated ends of the battery cables Inverter Box: Inverter as ordered (RedEarth-certified) MC4 Connectors—(with brand to match the MC4 brand used on the inverter itself) Inverter mounting bracket and hardware.
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Page 12: The 8 Steps To Complete Installation And Customer Handover
A QSG (Quick Start Guide) and Tech Bulletins are also available to simplify installation. Technical support is available directly from RedEarth during installation if required. Contact details are included at the back of this manual. -
Page 13: Step 2. Positioning
Gecko – Installation and Operation Manual Step 2. Positioning The Gecko is designed as a freestanding weatherproof system (IP43). It should be installed in a shaded area to minimise the chance of overheating. If the system overheats past 45degC the power output will start to derate until it reaches 60degC at which point It will shut down. -
Page 14: Step 3. Solar Installation
Gecko – Installation and Operation Manual Step 3. Solar installation PV Racking & Solar panels 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 the wiring method to ensure Open Circuit Voltage (V ) and Short Circuit Current (I ) ratings of... - Page 15 Gecko – Installation and Operation Manual PV String Input Data for 8kW Gecko 1-Phase Max. DC input power (W) 1,200W Max. DC input voltage (V) Start-up voltage (V) MPPT voltage range (V) 150-425 Max. operating PV input current (A) 26+26 Max.
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Page 16: Pv Connection Points
Gecko – Installation and Operation Manual These could be laid out as 2 strings of 11 panels in parallel going to the higher-rated MPPT, and 1 sting of 11 panels going to the other MPPT. In this case a maximum of 33x400W of this specification panels could be connected = 13.2kW of PV panels. - Page 17 Gecko system can correctly manage this extra AC- coupled PV system (consult RedEarth Tech support), and it is also essential that the AC coupled PV power rating does not exceed a 1:1 relationship to the Gecko inverter size (5kW or 8kW for 1-phase or 12KW for 3- phase).
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Page 18: Main Switchboard Wiring & Feed-In Meter Installation
Gecko – Installation and Operation Manual Main Switchboard wiring & Feed-in Meter Installation 4.2.1 Whole home backup (requires sufficient inverter size) If the whole home is being backed up by the Gecko (all circuits – which is what happens in every off-grid system) then there is no need to separate the circuits in the switchboard. - Page 19 Gecko – Installation and Operation Manual Connecting the CT/s with a meter For situations where the distance is too great to simply run the CT directly to the MSB. The meters supplied in the parts kit are shown below (3-phase and 1-phase meters and CT) Three-Phase Meter One-Phase Meter Page 19 of 41...
- Page 20 Gecko – Installation and Operation Manual Meter connection: Be sure to power the meter from the side that turns off during a grid power outage and have the CTs clipped in between the Electricity Meter and the Main Circuit Breaker (with the ARROW pointing towards the Gecko system - see image). The communication cable from the feed-in meter to the Gecko system can be made using 2 wires of a CAT5 or CAT6 cable.
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Page 21: Troppo Battery Installation And Connection To The Inverter
Troppo battery installation and connection to the inverter on track here The Gecko has been tested and commissioned at the RedEarth factory. The batteries are then removed for transportation/positioning. Follow the procedure below to correctly re-install the batteries. This Gecko system operates at 48Vdc nominal, and batteries are connected in parallel to increase capacity, maintaining 48Vdc nominal. - Page 22 Note: if the system is not full of batteries, then some of the battery cables will remain unconnected. These are available for connecting additional batteries in the future. This is what makes the RedEarth Gecko system genuinely battery ready.
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Page 23: Earth Fault Alarm
The Earth fault alarm is built into the system. If an earth fault is detected, then a loud audible alarm will sound from the inverter. The end customer needs to contact the installer to investigate the PV installation. If the customer has signed up to RedEarth Optimum, then the alarm signal will also be sent to RedEarth. Solar connection The Gecko systems each have two Maximum Power Point Trackers (MPPTs) The PV string configuration has been discussed explained previously in Step 3. -
Page 24: Communications Connection For Remote Monitoring
ON/OFF button of the inverter, as shown above. Communications connection for remote monitoring If the RedEarth 4G RUT remote monitoring module has been included, then it is pre-wired into the top of the Gecko battery enclosure. It runs directly off the 48V battery bank via a 48v to 12V DC/DC converter Both the RUT and DC/DC converter are shown at right. -
Page 25: Step 5. Understanding The Turn On/Shutdown Procedure
Gecko – Installation and Operation Manual The two wires are then connected to the terminals inside the inverter. These are located on the inverter PCB above the DC connection points and appear as pictured on the right. If in doubt, consult the relevant inverter manual provided in the parts kit. -
Page 26: Step 6: Commissioning The Gecko
4G remote monitoring system (if included). The RedEarth settings can be accessed directly on the screen or via the local mode login on the Deye CLOUD app that can be downloaded from the app stores. -
Page 27: Gecko Fault Codes
Gecko – Installation and Operation Manual Gecko Fault Codes Solutions Error Description code When inverter is in Split phase(120/240Vac) or three- phase system (120/208Vac) system, the backup load GFDI _Relay Failure port N line needs to connect ground; If the fault still exists, please contact us for help. When the grid type and frequency changed it will report F13;... - Page 28 Gecko – Installation and Operation Manual Grid voltage fault Check the AC voltage is in the range of standard voltage in specification; Check whether grid AC cables are firmly and correctly AC line low voltage connected; Seek help from us, if cannot go back to normal state. Grid frequency out of range Check the frequency is in the range of specification or not;...
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Page 29: Test The Operation Of The Complete System Prior To Handover To The Customer
1. Have the customer scan the QR code and register their system. This allows them to monitor their system once they have downloaded the RedEarth EMU app. It also registers their warranty and sets their system up to benefit from RedEarth’s Private Power Plant software. Without doing this it is difficult for RedEarth to provide technical support and the installer will be required to provide all... - Page 30 Gecko – Installation and Operation Manual 3. Explain to the customer how their system operates and demonstrate what happens during an outage, by turning off the Main grid breaker to the house and observing the Backup operation. (for on-grid installations) Confirm that the correct circuits are supported. (Note that there may be a short delay before the Backup circuits activate after the grid is disconnected from the home) 4.
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Page 31: Services And Options Available For Your Gecko
Services for your Gecko: As a RedEarth Gecko system owner you have the choice of joining RedEarth's customer community. You just need to sign up to our Optimum support service via RedEarth's EMU app that you use to monitor your system. -
Page 32: Technical Support
To reach our customer service and tech support team, you can contact: • RedEarth office: Dial 1800 733 637 and press Option 2. If our support team are currently engaged in other calls or on-site visits, kindly leave a short message to ensure a prompt call back. •... -
Page 33: Single Line Diagram-Power (1-Phase And 3-Phase Versions)
Gecko – Installation and Operation Manual Appendix A Single Line Diagram Page 33 of 41 Issue date: 28/05/2024. Version 1.4... -
Page 34: Single Line Diagram-Communications (1-Phase And 3-Phase Are The Same)
Gecko – Installation and Operation Manual Single Line Diagram—Communications (1-phase and 3-phase are the same) Page 34 of 41 Issue date: 28/05/2024. Version 1.4... -
Page 35: Single Line Diagram-Main Switchboard (1-Phase And 3-Phase Versions)
Gecko – Installation and Operation Manual Single Line Diagram—Main Switchboard (1-phase and 3-phase versions) Page 35 of 41 Issue date: 28/05/2024. Version 1.4... - Page 36 Gecko – Installation and Operation Manual Page 36 of 41 Issue date: 28/05/2024. Version 1.4...
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Page 37: Technical Specifications - Gecko Systems
10 years (AU & NZ and South Pacific region) * The Gecko system is designed to only use the RedEarth Troppo-4841 lithium-ion battery (LFP). ** The Nominal Energy Capacity depends on the number of Troppo-4841 batteries installed in the Gecko system. The model numbers reflect the total battery capacity installed in the system. -
Page 38: Troppo-4841 Battery Specifications
Ask RedEarth for advice and support from 4.1kWh to 100kWh+ Series connection Only designed to operate in nominal 48Vdc systems- ask RedEarth for support Not designed for series connection Expected calendar Life @25ºC RedEarth warranty 10 years - see warranty document for details >10 years when used as per warranty terms... - Page 39 Physical characteristics Installer information Battery mounting options RedEarth can provide pre-wired VAULT battery racks. RedEarth also has a range of certified In a standard 19” rack or free-standing fully pre-wired inverter battery systems for both on- and off-grid applications. horizontally, vertically or on either side Bolt-on wings provided to secure the battery in any standard 19"...
- Page 40 Gecko – Installation and Operation Manual Short-circuit Current (I 0.4 kA 0.8 kA 1.2 kA 1.6 kA 2.0 kA 2.4 kA 2.8 kA 3.2 kA UN Number 3481 Page 40 of 41 Issue date: 28/05/2024. Version 1.4...
- Page 41 Gecko – Installation and Operation Manual Page 41 of 41 Issue date: 28/05/2024. Version 1.4...
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Questions and answers
I have a Red earth Gecko - was wondering if it is possible to fill with power from grid when its wintery and possible storm is coming. Works great in outages obviously only if the battery is charged.
Yes, the RedEarth GCK-5-1 Series Gecko can be charged from the grid, as it includes connections to the grid and supports on-grid operation. This allows it to be charged during winter storms when solar generation may be limited.
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