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Sunwoda Atrix Series Manual
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Sunwoda Atrix Series Manual

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Victron & Sunwoda Energy
1. Product & system compatibility
Battery
SunESS Series
Appearance
ESS
Module
capacity
Module limit
Max
capacity
1.1 Offgrid, Backup and Energy Storage Systems
Victron + Sunwoda Energy can be used for the following system types:
 Off-grid
 Grid Backup
 Energy Storage Systems (ESS) - Self Consumption
1.2 A GX-device is required, eg Cerbo GX
It is essential to use the CAN-bus connection of the GX device (e.g. Cerbo
GX) - this communicates the keep-alive signal, charge and discharge limits,
error codes and state of charge (SOC %) between the batteries and the
system.
yes
5kWh
12
60kWh
Atrix Series
yes
5kWh
24
120kWh
Monawall
series
yes
5kWh
24
120kWh

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Summary of Contents for Sunwoda Atrix Series

  • Page 1 120kWh 120kWh capacity 1.1 Offgrid, Backup and Energy Storage Systems Victron + Sunwoda Energy can be used for the following system types:  Off-grid  Grid Backup  Energy Storage Systems (ESS) - Self Consumption 1.2 A GX-device is required, eg Cerbo GX It is essential to use the CAN-bus connection of the GX device (e.g.
  • Page 2 When used with Sunwoda Energy series batteries, the minimum supported firmware version for the GX device is v2.91. It is recommended to use the latest firmware version on new installations and when trouble shooting issues. 1.3 All Multi, MultiPlus, MultiGrid and Quattro are compatible As long as you are using the appropriate model for the nominal battery voltage, all VE.Bus inverters and inverter/chargers are compatible.
  • Page 3 You must have the minimum number of battery modules to supply the inverters startup inrush surge currents that charge the capacitors when the inverter is first connected, this occurs prior to any loads being connected. There is also the subsequent potential current demands of the loads connected to the inverter.
  • Page 4 CAN-bus BMS (500 kbit/s) CAN-profile in the GX device. Menu path: Settings → Services → VE.CAN port. The sunwoda battery will be shown in the device list. If you have multiple batteries a single entry will show up, which...
  • Page 5 Next, go to Settings, DVCC, and configure as follows: Venus Settings → System Setup Parameter Value DVCC Shared Voltage Sense Shared Temperature Sense The parameters option within the battery page shows the battery charge and discharge limits as communicated to the DVCC system by the BMS.
  • Page 6 For example, If each battery is rated to 50A charge current, and the menu shows a 300A charge current limit ( 300 / 50 = 6 ) means there are 6 Sunwoda Energy battery modules connected.
  • Page 7 CAN products such as VE.Can MPPT (250 kbit/s) and an Sunwoda Energy battery BMS-Can CAN-bus (500 kbit/s) together on the CCGX. As the Sunwoda battery must be connected, you will need to use the port for that. This will mean no data is collected from the VE.Can MPPT, nor can the CCGX control it.
  • Page 8 ESS system, please review the ESS Quickstart guide and Design and Installation Manual. The settings that are specific to the Sunwoda Energy battery in the VEConfigure ESS Assistant are below: Select the externally managed Lithium battery option...
  • Page 9 47V. Restart offset: 1.2 V (Default) 5.5 Battery Protection In normal operation, the charge parameter limits are set by the Sunwoda Energy battery and communicated through the system by the GX device to the inverter/charger and MPPT.

  • Page 10: Example Wiring Diagram

    6. VE.Direct MPPT Settings In normal operation the MPPT charge characteristics are governed by the GX device via DVCC, with instructions from the connected Sunwoda Energy battery. Use Victron Connect for Solar Charger configuration.The settings below are a precautionary measure only:...

  • Page 11: Troubleshooting

    2 minutes the inverter will start up again, power the DC bus, powering up the GX device, and then powering up the battery, and the system will recover. Step 1. Check that the Sunwoda battery is visible on the GX device list...
  • Page 12 Check the Max Charge Voltage parameter. This voltage parameter is sent, together with the other three parameters, by the Sunwoda system via the CAN-bus cable. They are visible on the GX device: Device List → sunwoda battery → Parameters menu. Step 3. Check the Sunwoda Energy manual The Sunwoda Energy manual contains additional diagnostic and troubleshooting information.
  • Page 13 In off-grid, the inverter can draw more than the 50A limit to run the loads, make sure you have sufficient batteries installed to keep the load per battery around this limit. 9.2 During charging ,the Charge Current Limit(CCL) is less than 100A The battery dynamically adjusts the CCL according to the temperature.

  • Page 14: Further Information

    (if available on that model) to find which battery might be out of balance with the others. 2: Contact your Sunwoda Energy dealer for further assistance (they can provide additional software to see individual cell level data), or assist with other potential solutions.