Bedienungsanleitung Victron MultiPlus 48 3000 35-16 (Seite 5 von 164) (Deutsch, Englisch, Holländisch, Französisch, Spanisch, Schwedisch)

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Programmable with DIP switches, VE.Net panel or personal computer

The MultiPlus is supplied ready for use. Three features are available for changing certain settings if desired:

─ The most important settings can be changed in a very simple manner, using DIP switches.

─ All settings, with exception of the multi-functional relay, can be changed with a VE.Net panel.

─ All settings can be changed with a PC and free of charge software, downloadable from our website www.victronenergy.com

2.2 Battery charger

Adaptive 4-stage charge algorithm: 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 with 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 maintenance and aging when the battery is not in use: the Storage mode

The Storage mode kicks in whenever the battery has not been subjected to discharge during 24 hours. In the Storage mode float

voltage is reduced to 2,2 V/cell (13,2 V for 12 V battery) to minimise gassing and corrosion of the positive plates. Once a week 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.

Two 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 4 A and

has a slightly lower output voltage.

Increasing service life of the battery: temperature compensation

The temperature sensor (supplied with the product) serves to reduce charging voltage when 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 website

(see www.victronenergy.com  Support & Downloads’  General Technical Information). For more information on adaptive charging,

please also refer to the General Technical Information our website.

2.3 Self consumption – solar energy storage systems

For more information see our white paper Self Consumption or Grid independence with the Victron Energy Storage Hub.

The appropriate software can be downloaded from our website.

When the Multi/Quattro is used in a configuration in which it will feed back energy to the grid it is required to enable grid code

compliance by selecting the grid code country setting with the VEConfigure tool.

This way 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.

The Multi/Quattro can also be used as a bidirectional inverter operating parallel to the grid, integrated into a customer designed system

(PLC or other) that takes care of the control-loop and grid measurement, see

http://www.victronenergy.com/live/system_integration:hub4_grid_parallel

Special note for Australian customers: IEC62109.1 certification and CEC approval for off-grid use does NOT imply approval for grid-

interactive installations. Additional certification to IEC 62109.2 and AS 4777.2.2015 are required before grid-interactive systems can be

implemented. Please check Clean Energy Council website for current approvals.

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