Bedienungsanleitung Victron MultiPlus 12 2000 80-32 (Seite 13 von 25) (Englisch)

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suitable. If an extra high absorption voltage is selected for rapid charging (only possible for open, flooded batteries!), four hours is

preferable. With DIP switches, a time of eight or four hours can be set. For the adaptive charge curve, this determines the

maximum absorption time.

Storage voltage, Repeated Absorption Time, Absorption Repeat Interval

See Section 2.

Bulk Protection

Default setting: off. When this setting is ‘on’, the bulk charging time is limited to 10 hours. A longer charging time could indicate a

system error (e.g. a battery cell short-circuit).

AC input current limit

These are the current limit settings at which PowerControl and PowerAssist come into operation. The factory setting is 16A.

See Section 2, the book 'Energy Unlimited', or the many descriptions of this unique feature on our website

www.victronenergy.com .

Remark: lowest allowable current setting for PowerAssist: 2,7A.

(2,7A per unit in case of parallel operation)

UPS feature

If this setting is ‘on’ and AC on the input fails, the MultiPlus switches to inverter operation practically without interruption. The

MultiPlus can therefore be used as an Uninterruptible Power Supply (UPS) for sensitive equipment such as computers or

communication systems. The output voltage of some small generator sets is too unstable and distorted for using this setting* –

the MultiPlus would continually switch to inverter operation. For this reason, the setting can be turned off. The MultiPlus will then

respond less quickly to AC input voltage deviations. The switchover time to inverter operation is consequently slightly longer, but

most equipment (most computers, clocks or household equipment) is not adversely impacted. Recommendation: Turn the UPS

feature off if the MultiPlus fails to synchronise, or continually switches back to inverter operation.

*In general, the UPS setting can be left ‘on’ if the MultiPlus is connected to a generator with a ‘synchronous AVR regulated

alternator’.

The UPS mode may have to be set to ‘off’ if the MultiPlus is connected to a generator with a ‘synchronous capacitor regulated

alternator’ or an asynchronous alternator.

Dynamic current limiter

Intended for generators, the AC voltage being generated by means of a static inverter (so-called ‘inverter’ generators). In these

generators, rpm is down-controlled if the load is low: this reduces noise, fuel consumption and pollution. A disadvantage is that

the output voltage will drop severely or even completely fail in the event of a sudden load increase.

More load can only be supplied after the engine is up to speed.

If this setting is ‘on’, the MultiPlus will reduce charge current until the set current limit is reached. This allows the generator engine

to get up to speed.

This setting is also often used for ‘classic’ generators that respond slowly to sudden load variation.

WeakAC

Strong distortion of the input voltage can result in the charger hardly operating or not operating at all. If WeakAC is set, the

charger will also accept a strongly distorted voltage, at the cost of greater distortion of the input current.

Recommendation: Turn WeakAC on if the charger is hardly charging or not charging at all (which is quite rare!). Also turn on the

dynamic current limiter simultaneously and reduce the maximum charging current to prevent overloading the generator if

necessary.

BoostFactor

Change this setting only after consulting with Victron Energy or with an engineer trained by Victron Energy!

Programmable relay

By default, the programmable relay is set as an alarm relay, i.e. the relay will de-energise in the event of an alarm or a pre-alarm

(inverter almost too hot, ripple on the input almost too high, battery voltage almost too low).

VEConfigure software

With VEConfigure software the relay can also be programmed for other purposes, for example to provide a generator starting

signal.

5.3. Configuration of the MultiPlus

The following hardware is required:

MultiPlus 2kVA 230V

Page 11 Configuration

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