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Victron MultiPlus 12 2000 80-32 Manual

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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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