Victron energy MultiPlus Compact 12/24V 800VA, 1200VA, 1600VA 230V Le manuel du propriétaire

Manual

EN

Handleiding

NL

Manue

l

FR

Anleitung

DE

Manual

ES

Appendix

MultiPlus Compact

12 | 800 | 35-16 230V 24 | 800 | 16-16 230V

12 | 1200 | 50-16 230V 24 | 1200 | 25-16 230V

12 | 1600 | 70-16 230V 24 | 1600 | 40-16 230V

1

EN NL FR DE ES Appendix

1. SAFETY INSTRUCTIONS

General

Please familiarize yourself with the safety features and instructions by first reading the

documentation supplied with this product before using the equipment. This product has

been designed and tested in accordance with international standards. The equipment

must be used exclusively for the purpose for which it was designed.

WARNING: ELECTRIC SHOCK HAZARD.

The product is used in conjunction with a permanent energy source (battery). Input and/or

output terminals may still be dangerously energized, even when the equipment is

switched off. Always switch off the AC supply and the battery before carrying out

maintenance or servicing the product.

The product has no internal user-serviceable components. Do not remove the front plate

or operate the product if any panels have been removed. All servicing must be

undertaken by qualified personnel.

Never use the product where there is a risk of gas or dust explosions. Consult the battery

manufacturer's information to ascertain that the product is intended for use in conjunction

with the battery. Always comply with the battery manufacturer's safety instructions.

WARNING: Do not lift heavy loads without assistance.

Installation

Read the installation instructions in the installation manual before installing the equipment.

This is a Safety Class I product (supplied with a protective grounding terminal).

Uninterruptible protective grounding must be provided at the AC input and/or output

terminals. Alternatively the grounding point located externally on the product may be

used. Whenever it is likely that the grounding protection has been damaged, the product must

be turned off and secured against unintended operation; please contact qualified service staff.

Ensure that the DC and AC input cables are fused and fitted with circuit breakers. Never

replace a safety component with a different type. Consult the manual to determine the correct

component.

Before applying power, ensure that the available power source matches the configuration

settings of the product as described in the manual.

2

Ensure that the equipment is used under the correct ambient conditions. Never operate the

product in a wet or dusty environment. Ensure there is adequate free space for ventilation

around the product and check that the ventilation vents are not blocked.

Ensure that the required system voltage does not exceed the product's capacity.

Transport and Storage

Ensure that the mains power and battery leads have been disconnected before storing or

transporting the product.

No liability can be accepted for any transport damage if the equipment is shipped in non-

original packaging.

Store the product in a dry environment; the storage temperature must be between -20°C and

60°C.

Consult the battery manufacturer's manual in respect of transport, storage, charging,

recharging and disposal of the battery.

3

EN NL FR DE ES Appendix

2. DESCRIPTION

2.1 General

MultiPlus Compact-functional

The MultiPlus Compact gets its name from the multiple functions it can perform. It is a

powerful true sine wave inverter, a sophisticated battery charger that features adaptive

charge technology and a high-speed AC transfer switch in a single compact enclosure.

Beside these primary functions, however, the MultiPlus Compact has several advanced

features that provide a range of new applications as outlined below.

Uninterrupted AC power

In the event of a grid failure, or shore or generator power being disconnected, the inverter

within the MultiPlus Compact is automatically activated and takes over supply to the

connected loads. This happens so fast (less than 20 milliseconds) that computers and

other electronic equipment will continue to operate without disruption.

Parallel and 3-phase operation capability

Up to 6 inverters can operate in parallel to achieve higher power output.

Operation in 3-phase configuration is also possible.

PowerControl – Dealing with limited generator or shore side power

With a Multi Control Panel a maximum generator or shore current can be set. The

MultiPlus Compact will then take account of other AC loads and use whatever is extra for

charging, thus preventing the generator or shore supply from being overloaded.

PowerAssist – Boosting the capacity of shore or generator power

This feature takes the principle of PowerControl to a further dimension allowing the MultiPlus

Compact to supplement the capacity of the alternative source. Where peak power is so often

required only for a limited period, it is possible to reduce the size of generator needed or

conversely enable more to be achieved from the typically limited shore connection. When the

load reduces, the spare power is used to recharge the battery.

Programmable relay

The MultiPlus is equipped with a 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.

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.

4

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 2,2V/cell (13,2V for 12V 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 4A 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.

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

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.

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.

5

EN NL FR DE ES Appendix

3. OPERATION

3.1 On/Off/Charger Only Switch

When switched to "on", the product is fully functional. The inverter will come into

operation and the LED "inverter on" will light up.

An AC voltage connected to the "AC in" terminal will be switched through to the "AC out"

terminal, if within specifications. The inverter will switch off, the "mains on" LED will light

up and the charger commences charging. The "bulk", "absorption" or "float" LEDs will light

up, depending on the charger mode.

If the voltage at the "AC-in" terminal is not within specifacations, the inverter will switch

on.

When the switch is switched to "charger only", only the battery charger of the MultiPlus

will operate (if mains voltage is present). In this mode input voltage also is switched

through to the "AC out" terminal.

NOTE: When only the charger function is required, ensure that the switch is switched to

"charger only". This prevents the inverter from being switched on if the mains voltage is

lost, thus preventing your batteries from running flat.

3.2 Remote control

Remote control is possible with a 3-way switch or with a Multi Control panel.

The Multi Control panel has a simple rotary knob with which the maximum current of the AC

input can be set: see PowerControl and PowerAssist in Section 2.

For the appropriate DIP switch settings, see sect. 5.5.1.

3.3 Equalisation and forced absorption

3.3.1 Equalisation

Traction batteries may require regular equalisation charging. In the equalisation mode, the

MultiPlus will charge with increased voltage for one hour (1V above the absorption voltage for

a 12V battery, 2V for a 24V battery). The charging current is then limited to 1/4 of the set

value. The “bulk” and “absorption” LEDs flash intermittently.

Equalisation mode supplies a higher charging voltage than most DC consuming

devices can cope with. These devices must be disconnected before additional

charging takes place.

3.3.2 Forced absorption

Under certain circumstances, it can be desirable to charge the battery for a fixed time at

absorption voltage level. In Forced Absorption mode, the MultiPlus will charge at the normal

absorption voltage level during the set maximum absorption time. The “absorption” LED will

be ‘on’.

6

3.3.3 Activating equalisation or forced absorption

The MultiPlus can be put into both these states from the remote panel as well as with the front

panel switch, provided that all switches (front, remote and panel) are set to “on” and no

switches are set to “charger only”.

In order to put the MultiPlus in this state, the procedure below should be followed.

If the switch is not in the required position after following this procedure, it can be switched

over quickly once. This will not change the charging state.

NOTE: Switching from “on” to “charger only” and vice versa, as described below, must be done quickly. The

switch must be toggled such that the intermediate position is 'skipped', as it were. If the switch remains in

the “off” position even for a short time, the device may be turned off. In that case, the procedure must be

restarted at step 1. A certain degree of familiarisation is required when using the front switch on the

Compact in particular. When using the remote panel, this is less critical.

Procedure:

1. Check whether all switches (i.e. front switch, remote switch or remote panel switch if present) are in the

“on” position.

2. Activating equalisation or forced absorption is only meaningful if the normal charging cycle is completed

(charger is in 'Float').

3. To activate:

a. Switch rapidly from “on” to “charger only” and leave the switch in this position for ½ to 2 seconds.

b. Switch rapidly back from “charger only” to “on” and leave the switch in this position for ½ to 2 seconds.

c. Switch once more rapidly from “on” to “charger only” and leave the switch in this position.

4. On the MultiPlus the three LEDs “Inverter”, “Charger” and “Alarm” will now flash 5 times.

If a MultiControl panel is connected, on the panel the LEDs “bulk”, “absorption” and “float” will also flash 5

times.

5. Subsequently, on the MultiPlus the LEDs “Bulk”, “Absorption” and “Float” will each light during 2

seconds.

If a MultiControl panel is connected, on the panel the LEDs “Bulk”, “Absorption” and “Float” will also each

light during 2 seconds.

6.

a. If the switch on the MultiPlus is set to “on” while the “Bulk” LED lights, the charger will switch to

equalisation.

Similarly, if the switch on the MultiControl panel is set to “on” while the “Bulk” LED lights, the charger will

switch to equalisation.

b. If the switch on the MultiPlus is set to “on” while the “Absorption” LED lights, the charger will switch to

forced absorption.

Similarly, if the switch on the MultiControl panel is set to “on” while the “Absorption” LED lights, the charger

will switch to forced absorption.

c. If the switch on the MultiPlus is set to “on” after the three LED sequence has finished, the charger will

switch to “Float”.

Similarly, if the switch on the MultiControl panel is set to “on” after the three LED sequence has finished,

the charger will switch to “float”.

d. If the switch has not been moved, the MultiPlus will remain in ‘charger only’ mode and switch to “Float”.

7

EN NL FR DE ES Appendix

3.4 LED Indications

Inverter

The inverter is switched on and supplies

power to the load. Battery operation.

inverter

on

charger

off

alarm

charger only

The inverter is switched on and supplies

power to the load.

Pre alarm: overload, or

battery voltage low, or

inverter temperature high

inverter

on

charger

off

alarm

charger only

Charger

The AC input voltage is switched through

and the charger operates in bulk or

absorption mode.

inverter

on

charger

off

alarm

charger only

The AC input voltage is switched through

and the charger is switched off.

The battery charger can not reach battery

end voltage (bulk protection mode).

inverter

on

charger

off

alarm

charger only

LED off

LED flashes

LED illuminated

inverter

On

charger

off

alarm

charger only

The inverter is switched off.

Alarm: overload, or battery voltage low, or

inverter temperature high, or DC ripple

voltage on battery terminal was too high.

8

The AC input voltage is switched through

and the charger operates in bulk or

absorption mode.

inverter

on

charger

off

alarm

charger only

The AC input voltage is switched through

and the charger operates in float mode.

inverter

on

charger

off

alarm

charger only

Remote Control panel (optional)

Power Control and PowerAssist indication

inverter on

mains on

overload

bulk

low battery

absorption

temperature

float

on

charger only

off

Note: When the LED’s “overload” and “low battery” are on simultaneously, the Multi(Plus) or

Inverter Compact has switched off due to excessive DC ripple voltage.

9

EN NL FR DE ES Appendix

4. INSTALLATION

4.1 Location

The product must be installed in a dry and well-ventilated area, as close as possible to

the batteries. There should be a clear space of at least 10cm around the appliance for

cooling.

The product is suitable for wall mounting. For mounting see appendix A.

The appliance can be mounted horizontally as well as vertically; vertical mounting is

preferable. The vertical position offers optimum cooling.

The interior of the product must remain accessible after installation.

Try and keep the distance between the product and the battery to a minimum in order to

minimize cable voltage losses.

For safety purposes, this product should be installed in a heat-resistant

environment if it is used with equipment where a substantial amount of power is

to be converted. You should prevent the presence of e.g. chemicals, synthetic

components, curtains or other textiles, etc., in the immediate vicinity.

This product should be installed by a qualified electrician.

Excessively high ambient temperature will result in the following:

Reduced service life.

Reduced charging current.

Reduced peak capacity, or shutdown of the inverter.

Never mount the appliance directly above the batteries.

10

4.2 Connection of Battery cables

In order to fully utilize the full capacity of the product, batteries with sufficient capacity and

battery cables with sufficient cross section should be used. See table.

24/800

24/1200

24/1600

12/800

12/1200

12/1600

Preassembled

cable length 1.5 m

(mm

2)

10 16 25 16 25 35

Recommended

cross section (mm

2

)

1,5

1

 5 m

16

25

35

50

70

5  10 m

35

50

70

100

140

24/800

24/1200

12/800

12/1200

12/1600

24/1600

Recommended

battery capacity (Ah)

40 – 200 40 – 400 100 – 400 150 – 700 200 – 700

Remark: Internal resistance is the important factor when working with low capacity batteries.

Please consult your supplier or the relevant sections of our book “electricity on board”,

downloadable from our website.

Procedure

Proceed as follows to connect the battery cables:

Use an insulated box spanner in order to avoid shorting the battery.

Avoid shorting the battery cables.

Connect the battery cables: the + (red) and the - (black), to the battery see appendix A.

Reverse polarity connection (+ to – and – to +) will cause damage to the product. (Safety fuse

inside the MultiPlus Compact can be damaged)

Secure the nuts tightly in order to reduce the contact resistance as much as possible.

11

EN NL FR DE ES Appendix

4.3 Connection of the AC cabling

The mains -input & output terminal connector can be found on the bottom of the MultiPlus

Compact, see appendix A. The shore or mains cable must be connected to the connector

with a three-wire cable. Use a three-wire cable with a flexible core and a cross section of

2.5mm².

Procedure

Proceed as follows to connect the AC cables:

The AC output cable can be connected directly to the male-connector. (the connector pulls

out!)

The terminal points are indicated clearly. From left to right: “N” (neutral), earth, and “L1”

(phase).

The AC input cable can be connected directly to the female-connector. (the connector pulls

out!)

The terminal points are indicated clearly. From left to right: “L1” (phase), earth, and “N”

(neutral).

Push the "input" connector into the AC-in connector (near to rear-side).

Push the "output" connector into the AC-out connector (near to front-side).

This is a Safety Class I product (supplied with a protective grounding terminal).

Uninterruptible protective grounding must be provided at the AC input

and/or output terminals and/or chassis grounding point located externally

on the product.

The MultiPlus is provided with a ground relay (relay H, see appendix B) that

automatically connects the Neutral output to the chassis if no external AC

supply is available. If an external AC supply is provided, the ground relay H

will open before the input safety relay closes. This ensures the correct

operation of an earth leakage circuit breaker that is connected to the output.

- In a fixed installation, an uninterruptable grounding can be secured by means

of the grounding wire of the AC input. Otherwise the casing must be grounded.

- In a mobile installation (for example, with a shore current plug), interrupting

the shore connection will simultaneously disconnect the grounding connection.

In that case, the casing must be connected to the chassis (of the vehicle) or to

the hull or grounding plate (of the boat).

- In case of a boat, direct connection to the shore ground is not recommended

because of potential galvanic corrosion. The solution to this is using an isolation

transformer.

12

4.4 Optional Connections

A number of optional connections are possible:

Undo the four screws at the front of the enclosure and remove the front panel.

4.4.1 Second Battery

The MultiPlus Compact has a connection (+) for charging a starter battery. For connection see

appendix 1

4.4.2 Temperature Sensor

The temperature sensor supplied with the product may be used for temperature-compensated

charging. The sensor is insulated and must be mounted on the batteries minus pole. Default

output voltages for Float and Absorption are at 25°C. In adjust mode temperature

compensation is disabled.

10.0

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

15.0

0 5 10 15 20 25 30 35 40 45 50 55 60

Battery temperature

Volts

20

21

22

23

24

25

26

27

28

29

30

Volts

4.4.3 Remote Control

The product can be remotely controlled in two ways:

- With an external 3-way switch

- With a Multi Control Panel

Please see section 5.5.1. for appropriate DIP switch settings.

4.4.4. Programmable relay

The MultiPlus is equipped with a multi-functional relay that by default is programmed as an

alarm relay. The relay can be programmed for all kinds of other applications however, for

example to start a generator (VEConfigure software needed).

Near the connection terminals an LED illuminates when the relay is activated (refer to S, see

appendix A)

13

EN NL FR DE ES Appendix

4.4.5 Parallel Connection

The MultiPlus can be connected in parallel with several identical devices. To this end, a

connection is established between the devices by means of standard RJ45 UTP cables.

The system (one or more MultiPlus units plus optional control panel) will require

subsequent configuration (see Section 5).

In the event of connecting MultiPlus units in parallel, the following requirements must be

met:

- A maximum of six units connected in parallel.

- Only identical devices may be connected in parallel.

- The DC connection cables to the devices must be of equal length and cross-section.

- If a positive and a negative DC distribution point is used, the cross-section of the connection between

the batteries and the DC distribution point must at least equal the sum of the required cross-sections of

the connections between the distribution point and the MultiPlus units.

- Place the MultiPlus units close to each other, but allow at least 10 cm for ventilation purposes under,

above and beside the units.

- UTP cables must be connected directly from one unit to the other (and to the remote panel).

Connection/splitter boxes are not permitted.

- A battery-temperature sensor need only be connected to one unit in the system. If the temperature of

several batteries is to be measured, you can also connect the sensors of other MultiPlus units in the

system (with a maximum of one sensor per MultiPlus). Temperature compensation during battery

charging responds to the sensor indicating the highest temperature.

- If more than three units are connected in parallel in one system, a dongle is required (see Section 5).

- Only one remote control means (panel or switch) can be connected to the system.

4.4.6 Three-phase operation (see appendix D)

The MultiPlus can also be used in 3-phase wye (Y) configuration. To this end, a

connection between the devices is made by means of standard RJ45 UTP cables (the

same as for parallel operation). The system (MultiPlus units plus an optional control panel) will

require subsequently configuration (see Section 5).

Pre-requisites: see Section 4.4.5.

Note: the MultiPlus is not suitable for 3-phase delta (Δ) configuration.

14

5. CONFIGURATION

Settings may only be changed by a qualified engineer

Carefully read the instructions before changes are made.

Batteries should be placed in a dry and well-ventilated area during charging.

5.1 Standard settings: ready for use

On delivery, the MultiPlus is set to standard factory values. In general, these settings are

suitable for single-unit operation.

Warning: Possibly, the standard battery charging voltage is not suitable for your

batteries! Refer to the manufacturer's documentation, or to your battery supplier!

Standard MultiPlus factory settings

Inverter frequency 50 Hz

Input frequency range 45 - 65 Hz

Input voltage range 180 - 265 VAC

Inverter voltage 230 VAC

Stand-alone / parallel / 3-phase stand-alone

Search mode off

Ground relay on

Charger on/ off on

Battery charge curve four-stage adaptive with BatterySafe mode

Charge current 75% of the maximum charge current

Victron Gel Deep Discharge (also suitable

for Victron AGM Deep Discharge)

Automatic equalisation charging off

Absorption voltage 14.4 / 28.8v

Absorption time up to 8 hours (depending on bulk time)

Float voltage 13.8 / 27.6V

Storage voltage 13.2 / 26.4V (not adjustable)

Repeated absorption time 1 hour

Absorption repeat interval 7 days

Bulk protection on

AC input current limit 12A (= adjustable current limit for PowerControl and

PowerAssist functions)

UPS feature on

Dynamic current limiter off

WeakAC off

BoostFactor 2

PowerAssist on

Programmable relay alarm function

15

EN NL FR DE ES Appendix

5.2 Explanation of settings

Settings that are not self-explanatory are described briefly below. For further information,

please refer to the help files in the software configuration programs (see Section 5.3).

Inverter frequency

Output frequency if no AC is present at the input.

Adjustability: 50Hz; 60Hz

Input frequency range

Input frequency range accepted by the MultiPlus. The MultiPlus synchronises within this

range with the AC input frequency. The output frequency is then equal to the input

frequency.

Adjustability: 45 – 65 Hz; 45 – 55 Hz; 55 – 65 Hz

Input voltage range

Voltage range accepted by the MultiPlus. The MultiPlus synchronises within this range

with the AC input voltage. The output voltage is then equal to the input voltage.

Adjustability:

Lower limit: 180 - 230V

Upper limit: 230 - 270V

Inverter voltage

Output voltage of the MultiPlus in battery operation.

Adjustability: 210 – 245V

Stand-alone / parallel operation / 2-3 phase setting

Using several devices, it is possible to:

increase total inverter power (several devices in parallel)

create a split-phase system

create a 3-phase system.

The standard product settings are for standalone operation. For parallel, three phase or split

phase operation see section 4.4.5 and 4.4.6.

Search Mode (Applicable in stand-alone configuration only)

If search mode is ‘on’, the power consumption in no-load operation is decreased by approx.

70%. In this mode the Compact, when operating in inverter mode, is switched off in case of no

load or very low load, and switches on every two seconds for a short period. If the output

current exceeds a set level, the inverter will continue to operate. If not, the inverter will shut

down again.

The Search Mode can be set with a DIP switch.

The Search Mode “shut down” and “remain on” load levels can be set with VEConfigure.

The standard settings are:

Shut down: 40 Watt (linear load)

Turn on: 100 Watt (linear load)

16

AES (Automatic Economy Switch)

Instead of the search mode, the AES mode can also be chosen (with help of VEConfigure

only).

If this setting is turned ‘on’, the power consumption in no-load operation and with low loads is

decreased by approx. 20%, by slightly 'narrowing' the sinusoidal voltage.

Not adjustable with DIP switches.

Applicable in stand-alone configuration only.

Ground relay (see appendix B)

With this relay (H), the neutral conductor of the AC output is grounded to the chassis when the

back feed safety relay is open. This ensures the correct operation of earth leakage circuit

breakers in the output.

If a non-grounded output is required during inverter operation, this function must be turned off.

(See also Section 4.5)

Not adjustable with DIP switches.

Battery charge curve

The standard setting is ‘Four-stage adaptive with BatterySafe mode’. See Section 2 for a

description.

This is the recommended charge curve. See the help files in the software configuration

programs for other features.

Battery type

The standard setting is the most suitable for Victron Gel Deep Discharge, Gel Exide A200,

and tubular plate stationary batteries (OPzS). This setting can also be used for many other

batteries: e.g. Victron AGM Deep Discharge and other AGM batteries, and many types of flat-

plate open batteries. Four charging voltages can be set with DIP switches.

Automatic equalisation charging

This setting is intended for tubular plate traction batteries. During absorption the voltage limit

increases to 2,83V/cell (34V for a 24V battery) once the charge current has tapered down to

less than 10% of the set maximum current.

Not adjustable with DIP switches.

See ’tubular plate traction battery charge curve’ in VEConfigure.

Absorption time

The absortion time depends on the bulk time (adaptive charge curve), so that the battery is

optimally charged. If the ‘fixed’ charging characteristic is selected, the absorption time is fixed.

For most batteries, a maximum absorption time of eight hours is 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. Not adjustable with DIP switches.

17

EN NL FR DE ES Appendix

Bulk Protection

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). Not adjustable with

DIP switches.

AC input current limit

These are the current limit settings at which PowerControl and PowerAssist come into

operation. The factory setting is 12A.

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 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 ‘classic’ generators that respond slowly to sudden load

variation.

18

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.

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 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).

Not adjustable with DIP switches.

Near the connection terminals an LED illuminates when the relay is activated (refer to S, see

appendix A)

VEConfigure software

With VEConfigure software the relay can also be programmed for other purposes, for example

to provide a generator starting signal.

With VEConfigure, several other special application modes of operation can be programmed.

Example: A house or an office connected to the public mains, fitted with solar panels with

energy storage in batteries.

The batteries are used to prevent return delivery to the mains. During the day, redundant solar

energy is stored in batteries. This energy is used in the evenings and at night. An energy

shortfall is compensated by the mains. The MultiPlus converts the battery DC voltage to AC.

The power is always less than or equal to the power consumption, so that return delivery to

the mains does not occur. In the event of mains failure, the MultiPlus isolates the premises

from the mains, which become autonomous (self-sufficient). In this way, a solar energy

installation or a combined micro-scale heating and power plant can be economically used in

areas with an unreliable mains supply and/or financially unfavourable energy-return

conditions.

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