Battery Charger - Victron energy 12/3000/120-50/30 Manuel

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Programmable with DIP sw itches, VE.Net panel or personal computer
The Quattro is supplied ready for use. Three features are available for changing certain settings if desired:
- The most important settings (including parallel operation of up to three devices and 3-phase operation) can be changed in a
very simple manner, using Quattro DIP sw itches.
- All settings, w ith exception of the multi-functional relay, can be changed w ith a VE.Net panel.
- All settings can be changed w ith a PC and free of charge software, downloadable from our w ebsite www.victronenergy.com

2.2 Battery charger

Adaptive 4-stage charging characteristics: bulk – absorption – float – storage
The microprocessor-driven adaptive battery management system can be adjusted for various types of batteries. The adaptive
function automatically adapts the charging process to battery use.
The right amount of charge: variable absorption time
In the event of slight battery discharge, absorption is kept short to prevent overcharging and excessive gas formation. After
deep discharging, the absorption time is automatically extended in order to fully charge the battery.
Preventing damage due to excessive gassing: the BatterySafe mode
If, in order to quickly charge a battery, a high charge current in combination w ith a high absorption voltage has been chosen,
damage due to excessive gassing will be prevented by automatically limiting the rate of voltage increase once the gassing
voltage has been reached.
Less m aintenance and aging when the battery is not in use: the Storage m ode
The Storage mode kicks in w henever the battery has not been subjected to discharge during 24 hours. In the Storage mode
float voltage is reduced to 2,2V/cell (13,2V for 12V battery) to minimise gassing and corrosion of the positive plates. Once a
w eek the voltage is raised back to the absorption level to 'equalize' the battery. This feature prevents stratification of the
electrolyte and sulphation, a major cause of early battery failure.
Tw o DC outputs for charging two batteries
The main DC terminal can supply the full output current. The second output, intended for charging a starter battery, is limited to
4A and has a slightly low er output voltage.
Increasing service life of the battery: temperature compensation
The temperature sensor (supplied w ith the product) serves to reduce charging voltage w hen battery temperature rises. This is
particularly important for maintenance-free batteries, which could otherwise dry out by overcharging.
Battery voltage sense: the correct charge voltage
Voltage loss due to cable resistance can be compensated by using the voltage sense facility to measure voltage directly on the
DC bus or on the battery terminals.
More on batteries and charging
Our book 'Energy Unlimited' offers further information on batteries and battery charging, and is available free of charge on our
w ebsite (see www.victronenergy.com -> Support & Dow nloads' -> General Technical Information). For more information on
adaptive charging, please also refer to the General Technical Information our w ebsite.
2.3 Self consumption – solar energy storage systems
When the Multi/Quattro is used in a configuration in w hich it w ill feed back energy to the grid it is required to enable grid code
compliance by selecting the grid code country setting w ith the VEConfigure tool.
This w ay the Multi/Quattro can comply to the local rules.
Once set, a password will be required to disable grid code compliance or change grid code related parameters.
If the local grid code is not supported by the Multi/Quattro an external certified interface device should be used to connect the
Multi/Quattro to the grid.
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