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The ‘AC Input Control’ settings in the VictronConnect app offer granular control over how your MultiPlus inverter/charger manages AC input. Here’s what each option in this section does:
Conditional AC input connection: When this is enabled, the inverter can default to ‘island mode,’ which means it won’t automatically connect to AC input. This is useful for systems that primarily rely on solar or battery power and only connect to AC input under certain conditions.
Load condition: This setting allows you to define conditions based on load for the inverter/charger to connect to the AC input. For example, it can connect when the load exceeds a certain threshold or disconnect when the load drops below a set point.
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Connect when load is higher than: The inverter will connect to AC input when the load exceeds the specified wattage, which helps manage energy sources more efficiently.
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Disconnect when load is lower than: Conversely, it will disconnect from AC input when the load drops below the defined level, allowing you to prioritize battery or renewable energy usage.
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Delay before connection/disconnection: These options introduce a delay before the inverter connects or disconnects from the AC input based on load conditions. This helps to avoid rapid switching in response to short-term load fluctuations.
Battery conditions: Similar to load conditions, these settings determine when the inverter will connect to AC input based on the battery’s state of charge (SOC) or voltage.
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Connect when SOC drops below: The inverter will connect to AC input to charge the batteries when their SOC falls below the set percentage.
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Connect when battery voltage drops below: If the battery voltage falls below the specified level, the inverter will connect to AC input, ensuring the batteries are charged and preventing deep discharge.
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Disconnect AC input on: You can choose to have the inverter disconnect from AC input based on battery voltage or SOC, setting a specific threshold that, when exceeded, will cause the inverter to stop drawing power from AC input.
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Delay before disconnection: This setting adds a delay before the inverter disconnects from the AC input after a condition is met. It’s used to prevent disconnection due to short-term anomalies or spikes in voltage or SOC.
These settings are particularly important for ensuring that the inverter/charger operates according to your energy strategy, whether it’s prioritizing renewable sources, managing battery health, or ensuring a backup power supply is available when needed.
NOTE: Adjustments to these settings should be made with a clear understanding of your system’s capabilities and your power management goals.
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