Member Jerrola
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It should be set to not auto update by default, but if you want to make sure, that your Cerbo GX’s Firmware is set to not Auto Update, go to “Settings > Firmware > Online updates“.
In the “Online Updates” menu, you will see the “Auto Update” option, which should be set to “Check Only” to disable auto updating.
You can then also manually check for updates by tapping on the “Press to check” button, which will then check for the latest stable, firmware release version online and compare it to what you currently have installed.
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When the ‘absorption’ LED is lit on your MultiPlus-II 230V, it indicates that your charger is in the absorption charging phase.
Here’s the rundown on what this means:
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Absorption Phase: This is the second stage of the battery charging process. It kicks in after the bulk charging stage, (where the main aim was to get the battery up to around 70-80% of its full charge as quickly as possible).
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Purpose: The goal here is to safely complete the charging process. It allows the battery to reach 100% charge without causing overcharging or damage. This phase ensures all cells in the battery are equally charged.
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Charging Dynamics: During absorption charging, the charger maintains a constant voltage level that’s slightly lower than the maximum charge voltage of the battery. The current gradually decreases as the battery approaches full charge.
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Duration: This phase can last a bit longer, as it’s about topping off and equalizing the charge in the battery. The time it takes depends on the battery’s capacity and its state when the absorption phase began.
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Mains Voltage Role: The charger continues to utilize the AC mains voltage, converting it to the appropriate DC level for the battery.
When your charger is in absorption mode, it’s a good sign that your batteries are nearing full charge in a controlled and safe manner. It’s an essential step for the longevity and health of your batteries, ensuring they’re fully charged and ready for use.
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Your computer’s power supply specifications indicate a wide input voltage range and adaptability to both 50Hz and 60Hz, which is typical for modern power supplies.
Considering these specs, here’s how you should approach your MultiPlus-II 230V settings:
Input Voltage Range Consideration:
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Since your computer’s power supply can tolerate voltages as low as 100V and as high as 240V, setting the MultiPlus-II’s upper voltage limit to 240V or slightly higher provides a buffer against possible voltage spikes while ensuring the power supply doesn’t shut off prematurely.
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For the lower voltage limit, the standard setting of 180V on the MultiPlus-II offers more than enough tolerance for your computer’s power supply, which can handle down to 100V.
Frequency Compatibility:
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Your computer’s power supply is compatible with both the standard 50Hz and 60Hz frequencies. The MultiPlus-II should be set to match the frequency of your local power grid, which it will pass through when AC is present. During an outage or off-grid operation, it will invert DC to AC at the set frequency (either 50Hz or 60Hz).
Current Requirements:
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The current rating of 14-7A indicates the power supply’s range of current draw depending on the input voltage; higher current at lower voltages, and lower current at higher voltages. The MultiPlus-II 230V should be able to handle these current levels easily without the need for any specific adjustments related to the current draw of your computer.
UPS Feature:
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With the UPS feature enabled on the MultiPlus-II, your computer will be protected against power interruptions, providing a continuous power supply during grid outages or transitions between grid and battery power.
PowerAssist Functionality:
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If the computer is part of a setup that includes other high-power devices and there’s a risk of overloading the AC input source, the PowerAssist feature can support the input with additional power from the battery if needed.
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The AES, or Automatic Economy Switch, is a clever feature in your MultiPlus-II 230V designed to enhance energy efficiency, especially in stand-alone configurations. When this setting is activated, it reduces the power consumption by about 20% during no-load or low-load conditions.
It achieves this by slightly ‘narrowing’ the sinusoidal voltage.
This subtle change in the voltage waveform is usually sufficient to maintain the operation of connected devices while consuming less power. It’s particularly effective when your power demand is low, such as during nighttime or when your facility or home isn’t using much electricity.
The AES feature ensures that your inverter isn’t using more power than necessary, which can be a significant advantage for energy conservation and reducing operational costs. Remember, this feature is only applicable in stand-alone configurations, not when the inverter is set up in parallel or in a 3-phase system.
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To activate the Equalisation or Forced Absorption modes on your MultiPlus-II, it’s important to follow a specific sequence, particularly with the front panel switch and the remote panel.
Ensure that all switches, including any remote and front panel switches, are set to the ‘on’ position.
Important – None of the switches should be in the ‘charger only’ mode.
The key step involves a rapid toggling action:
You need to quickly switch from ‘on’ to ‘charger only’ and back to ‘on’. This action must be performed swiftly enough to avoid lingering in the ‘off’ position, as this could inadvertently power down the unit, necessitating a restart of the procedure.
This rapid toggling action is critical in signaling the unit to enter either Equalisation or Forced Absorption modes. The process might require some familiarity, especially with the front switch on the Compact version of the unit.
The remote panel tends to be more forgiving in this regard, offering a somewhat more intuitive experience for this specific operation.
