Bedienungsanleitung Victron MultiPlus 48 3000 35-16 (Seite 15 von 164) (Deutsch, Englisch, Holländisch, Französisch, Spanisch, Schwedisch)

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AC input current limit

These are the current limit settings for which PowerControl and PowerAssist come into operation.

PowerAssist setting range:

- From 2,3 A to 16 A for models with 16 A transfer capacity

- From 5,3 A to 50 A for models with 50 A transfer capacity

Factory setting: the maximum value (16 A or 50 A).

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

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.

Dynamic current limiter

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

generators, engine rpm is reduced in case of low load: 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 start supplying extra power at a low generator output level and gradually allow the generator to

supply more, until the set current limit is reached. This allows the generator engine to get up to speed.

This setting is also often used for ‘classical’ 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.

Note: when WeakAC is on, the maximum charge current is reduced by approximately 20 %.

Not adjustable with DIP switches.

BoostFactor

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

Not adjustable with DIP switches.

Programmable relays

The models with 16 A transfer capacity (see section 4) are equipped with one programmable relay that by default is set as an alarm

relay. The relay can be programmed for all kinds of other applications however, for example as a starter relay for a generator.

The models with 50 A transfer capacity are equipped with three programmable relays. Not adjustable with DIP switches.

Auxiliary AC output (AC-out-2)

Besides the uninterruptable output, a second output (AC-out-2) is available that disconnects its load in the event of battery operation.

Example: an electric boiler or air conditioner that is allowed to operate only if the genset is running or shore power is available.

In case of battery operation, AC-out-2 is switched off immediately. After the AC supply has become available, AC-out-2 is reconnected

with a delay of 2 minutes, this to allow a genset to stabilise prior to connecting a heavy load.

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Victron MultiPlus 48 3000 35-16 Seite 15

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