Victron energy PMP242305010 Manuel utilisateur

MultiPlus-II 24 | 3000 | 70-32 (PMP242305010)

MultiPlus-II 48 | 3000 | 35-32 (PMP482305010)

MultiPlus-II 48 | 5000 | 70-50 (PMP482505010)

Manual

EN

Handleiding

NL

Manuel

FR

Anleitung

DE

Manual

ES

Användarhandbok

SE

Manuale

IT

Appendix

This manual describes:

Dit handboek beschrijft:

Ce manuel décrit :

Dieses Handbuch beschreibt:

Este manual describe:

Användarhandboken beskriver:

Questo manuale descrive:

MultiPlus-II 24/3000/70-32 HW rev. 1 (PMP242305010)

MultiPlus-II 48/3000/35-32 HW rev. 8 (PMP482305010)

MultiPlus-II 48/5000/70-50 HW rev. 3 (PMP482505010)

1

EN NL FR DE ES SE IT Appendix

1. SAFETY INSTRUCTIONS

In general

Please read the documentation supplied with this product first, so that you are familiar with the safety signs en directions before using

the product.

This product is designed and tested in accordance with international standards. The equipment should be used for the designated

application only.

WARNING: DANGER OF ELECTRICAL SHOCK

The product is used in combination with a permanent energy source (battery). Even if the equipment is switched off, a dangerous

electrical voltage can occur at the input and/or output terminals. Always switch the AC power off and disconnect the battery before

performing maintenance.

The product contains no internal user-serviceable parts. Do not remove the front panel and do not put the product into operation unless

all panels are fitted. All maintenance should be performed by qualified personnel.

Never use the product at sites where gas or dust explosions could occur. Refer to the specifications provided by the manufacturer of the

battery to ensure that the battery is suitable for use with this product. The battery manufacturer's safety instructions should always be

observed.

This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of

experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person

responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

WARNING: do not lift heavy objects unassisted.

Installation

Read the installation instructions before commencing installation activities. For electrical work, follow the local national wiring standard,

regulation and this installation instructions.

This product is a safety class I device (supplied with a ground terminal for safety purposes). Its AC input and/or output terminals

must be provided with uninterruptible grounding for safety purposes. An additional grounding point is located on the outside

of the product. The ground conductor should be at least 4mm². If it can be assumed that the grounding protection is damaged, the

product should be taken out of operation and prevented from accidentally being put into operation again; contact qualified maintenance

personnel.

Ensure that the connection cables are provided with fuses and circuit breakers. Never replace a protective device by a component of a

different type. Refer to the manual for the correct part.

Do not invert neutral and phase when connecting the AC.

Check before switching the device on whether the available voltage source conforms to the configuration settings of the product as

described in the manual.

Ensure that the equipment is used under the correct operating conditions. Never operate it in a wet or dusty environment.

Ensure that there is always sufficient free space around the product for ventilation, and that ventilation openings are not blocked.

Install the product in a heatproof environment. Ensure therefore that there are no chemicals, plastic parts, curtains or other textiles, etc.

in the immediate vicinity of the equipment.

This inverter is provided with an internal isolation transformer providing reinforced insulation.

Transport and storage

On storage or transport of the product, ensure that the mains supply and battery leads are disconnected.

No liability can be accepted for damage in transit if the equipment is not transported in its original packaging.

Store the product in a dry environment; the storage temperature should range from –20°C to 60°C.

Refer to the battery manufacturer's manual for information on transport, storage, charging, recharging and disposal of the battery.

2

2. DESCRIPTION

2.1 Boats, vehicles and other stand-alone applications

The basis of the MultiPlus-II is an extremely powerful sine inverter, battery charger and transfer switch in a compact casing.

Important features:

Automatic and uninterruptible switching

In the event of a supply failure or when the generating set is switched off, the MultiPlus-II will switch over to inverter operation and take

over the supply of the connected devices. This is done so quickly that operation of computers and other electronic devices is not

disturbed (Uninterruptible Power Supply or UPS functionality). This makes the MultiPlus-II highly suitable as an emergency power

system in industrial and telecommunication applications.

Two AC outputs

Besides the usual uninterruptable output (AC-out-1), an auxiliary output (AC-out-2) is available that disconnects its load in the event of

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

are several applications for AC-out-2.

Please enter “AC-out-2” in the search box on our website and find the latest information about other applications.

Three phase capability

Three units can be configured for three-phase output. Up to 6 sets of three units can be parallel connected to provide 45 kW / 54 kVA

inverter power and more than 600A charging capacity.

PowerControl – maximum use of limited AC power

The MultiPlus-II can supply a huge charging current. This implies heavy loading of the AC mains or generator. Therefore a maximum

current can be set. The MultiPlus-II then takes other power users into account, and only uses 'surplus' current for charging purposes.

PowerAssist – Extended use of generator or shore current: the MultiPlus-II “co-supply” feature

This feature takes the principle of PowerControl to a further dimension allowing the MultiPlus-II to supplement the capacity of the

alternative source. Where peak power is often required only for a limited period, the MultiPlus-II will make sure that insufficient AC

mains or generator power is immediately compensated for by power from the battery. When the load reduces, the spare power is used

to recharge the battery.

Programmable relay

The MultiPlus is equipped with a programmable relay. The relay can be programmed for different applications, for example as a starter

relay for a generator.

External current transformer (optional)

External current transformer option to implement PowerControl and PowerAssist with external current sensing.

Programmable analog/digital input/output ports (Aux in 1 and Aux in 2, see appendix)

The MultiPlus is equipped with 2 analog/digital input/output ports.

These ports can be used for several purposes. One application is communication with the BMS of a lithium-ion battery.

2.2 On-grid and off-grid systems combined with PV

External current transformer (optional)

When used in a grid-parallel topology the internal current transformer cannot measure the current to or from the mains. In this case an

external current transformer has to be used. See appendix.

Frequency shift

When solar inverters are connected to the output of a MultiPlus-II, excess solar energy is used to recharge the batteries. Once the

absorption voltage is reached, charge current will reduce and excess energy will be fed back into the mains. If the mains is not

available, the MultiPlus-II will slightly increase the AC frequency to reduce the output of the solar inverter.

Built-in Battery Monitor

The ideal solution when the MultiPlus-II is part of a hybrid system (diesel generator, inverter/chargers, storage battery, and alternative

energy). The built-in battery monitor can be set to start and stop the generator:

- Start at a preset % discharge level, and/or

- start (with a preset delay) at a preset battery voltage, and/or

- start (with a preset delay) at a preset load level.

- Stop at a preset battery voltage, or

- stop (with a preset delay) after the bulk charge phase has been completed, and/or

- stop (with a preset delay) at a preset load level.

Autonomous operation when the grid fails

Houses or buildings with solar panels or a combined micro-scale heating and power plant or other sustainable energy sources have a

potential autonomous energy supply which can be used for powering essential equipment (central heating pumps, refrigerators, deep

freeze units, Internet connections, etc.) during a power failure. A problem is however that grid connected sustainable energy sources

drop out as soon as the grid fails. With a MultiPlus-II and batteries, this problem can be solved: the MultiPlus-II can replace the grid

during a power failure. When the sustainable energy sources produce more power than needed, the MultiPlus-II will use the surplus to

charge the batteries; in the event of a shortfall, the MultiPlus-II will supply additional power from the battery.

Programmable

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

3

EN NL FR DE ES SE IT Appendix

2.3 Battery charger

2.3.1 Lead-acid batteries

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 2,2V/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.

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.

Battery voltage and 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.

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 (12V and 24V models only).

2.3.2 Li-ion batteries

Victron LiFePO4 Smart batteries

Use the VE.Bus BMS

2.3.3 Other Li-ion batteries

Please see https://www.victronenergy.com/live/battery_compatibility:start

2.3.4 More on batteries and battery 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 on our website.

2.4 ESS – Energy Storage Systems: feeding energy back into the grid

When the MultiPlus-II is used in a configuration in which it will feed back energy into the grid it is required to enable grid code

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

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 MultiPlus-II an external certified interface device should be used to connect the MultiPlus-II

to the grid.

The MultiPlus-II 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,

Special note regarding NRS-097 (South Africa)

1. The maximum allowed impedance of the network is 0.28Ω + j0.18Ω

2. The inverter is fulfilling the unbalance requirement in case of multiple single phase units only when the Color Control GX is

part of the installation.

Special notes regarding AS 4777.2 (Australia/New Zealand)

1. 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 the Clean Energy Council website for current approvals.

2. DRM – Demand Response Mode

When the AS4777.2 grid code has been selected in VEconfigure, DRM 0 functionality is available on port AUX1 (see

appendix A.

To enable grid connection, a resistance of between 5kOhm and 16kOhm must be present between the terminals of port AUX1

(marked + and - ). The MultiPlus-II will disconnect from the grid in case of an open circuit or a short circuit between the

terminals of port AUX1. The maximum voltage that may be present between the terminals of port AUX1 is 5V.

Alternatively, if DRM 0 is not required, this functionality can be disabled with VEConfigure.

4

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 rejected, the inverter will switch on.

When the switch is switched to ‘charger only’, only the battery charger of the Multi 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 either a 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.

3.3 Equalisation and forced absorption

3.3.1 Equalisation

Traction batteries require regular additional charging. In the equalisation mode, the MultiPlus-II 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-II will charge at the normal absorption voltage level during the set maximum absorption time. The ‘absorption’

LED lights.

3.3.3 Activating equalisation or forced absorption

The MultiPlus-II 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-II 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 back, 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-II (and, if connected, on the MultiControl panel) the three LEDs ‘Bulk’, ‘Absorption’ and ‘Float’ will now flash 5 times.

5. Subsequently, the LEDs ‘Bulk’, ‘Absorption’ and ‘Float’ will each light during 2 seconds.

a. If the switch is set to ‘on’ while the ‘Bulk’ LED lights, the charger will switch to equalisation.

b. If the switch is set to ‘on’ while the ‘Absorption’ LED lights, the charger will switch to forced absorption.

c. If the switch is set to ‘on’ after the three LED sequence has finished, the charger will switch to ‘Float’.

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

5

EN NL FR DE ES SE IT Appendix

3.4 LED Indications

LED off

LED flashes

LED illuminated

Inverter

Charger

Inverter

The inverter is on and supplies

power to the load.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The nominal output of the inverter is

exceeded. The ‘overload’ LED

flashes

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The inverter is switched off due to

overload or short circuit.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The battery is almost fully

exhausted.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The inverter has switched off due to

low battery voltage.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The internal temperature is reaching

a critical level.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

6

Charger

Inverter

The inverter has switched off due to

the electronics temperature being

too high.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

-If the LEDs are flashing alternately,

the battery is nearly exhausted and

the nominal output is exceeded.

-If ‘overload’ and ‘low battery’ flash

simultaneously, the ripple voltage

on the battery terminals is too high.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The inverter switched off due to

excess ripple voltage on the battery

terminals.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Battery Charger

Charger

Inverter

The AC input voltage is switched

through and the charger operates in

bulk mode.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The mains voltage is switched

through and the charger is on.

The set absorption voltage,

however, has not yet been reached.

(BatterySafe mode)

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The mains voltage is switched

through and the charger operates in

absorption mode.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

7

EN NL FR DE ES SE IT Appendix

Charger

Inverter

The mains voltage is switched

through and the charger operates in

float mode.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Charger

Inverter

The mains voltage is switched

through and the charger operates in

equalize mode.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Special Indications

PowerControl

Charger

Inverter

The AC input is switched through.

The AC output current is equal to

the preset maximum input current.

The charge current is reduced to 0.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

Power Assist

Charger

Inverter

The AC input is switched through

but the load requires more current

than the preset maximum input

current. The inverter is switched on

to supply the required additional

current.

Mains on

on

Inverter on

Bulk

Overload

off

Absorption

Low battery

charger

only

Float

Temperature

For more error codes see section 7.3

8

4. INSTALLATION

This product may only be installed by a qualified electrical engineer.

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 10 cm around the appliance for cooling.

Excessively high ambient temperature will result in the following:

• Reduced service life.

• Reduced charging current.

• Reduced peak capacity, or shutdown of the inverter.

Never position the appliance directly above the batteries.

The MultiPlus-II is suitable for wall mounting. A solid surface, suitable for the weight and dimensions of the product must be available

(e.g., concrete, or masonry). For mounting purposes, a hook and two holes are provided at the back of the casing (see appendix G).

The device can be fitted either horizontally or vertically. For optimal cooling, vertical fitting is preferred.

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

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

4.2 Connection of battery cables

In order to utilize the full capacity of the product, batteries with sufficient capacity and battery cables with sufficient cross section should

be used. See table.

24/3000/70

48/3000/35

48/5000/70

Recommended battery capacity (Ah)

200-700

100–400

200-800

Recommended DC fuse

300A

125 A

200A

Recommended cross section (mm2)

per + and - connection terminal

0 – 5 m

50mm2

35 mm

2

70 mm

2

5 – 10 m

95mm2

70 mm

2

2x70mm

2

Remark: Internal resistance is the important factor when working with low capacity batteries. Please consult your supplier or the relevant

sections of our book ‘Energy Unlimited’, downloadable from our website.

Procedure

Proceed as follows to connect the battery cables:

Use a torque wrench with insulated box spanner in order to avoid shorting the

battery.

Recommended torque: 12 Nm (M8 nut)

Avoid shorting the battery cables.

• Undo the two screws at the bottom of the enclosure and remove the service panel.

• Connect the battery cables: see Appendix A.

• Tighten the nuts well for minimal contact resistance.

9

EN NL FR DE ES SE IT Appendix

4.3 Connection of the AC cabling

The MultiPlus-II is a safety class I product (supplied with a ground terminal

for safety purposes). Its AC input and/or output terminals and/or

grounding point on the outside of the product must be provided with

an uninterruptible grounding point for safety purposes.

The MultiPlus-II 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.

Recommended torque: 1,6 Nm

The terminal blocks can be found on the printed circuit board, see Appendix A.

Do not invert neutral and phase when connecting the AC.

The inverter does incorporate a mains frequency isolating transformer. This precludes the possibility of DC current at any AC port.

Therefore type A RCD’s can be used.

• AC-in

The AC input cable can be connected to the terminal block ‘AC–in’.

From left to right: “N” (neutral), “PE” (earth) and “L” (phase)

The AC input must be protected by a fuse or magnetic circuit breaker rated at 32A or less, and cable cross-section must

be sized accordingly. If the input AC supply is rated at a lower value, the fuse or magnetic circuit breaker should be down sized

accordingly.

• AC-out-1

The AC output cable can be connected directly to the terminal block ‘AC-out’.

From left to right: “N” (neutral), “PE” (earth) and “L” (phase)

With its PowerAssist feature the Multi can add up to 3kVA (that is 3000 / 230 = 13A) to the output during periods of peak power

requirement. Together with a maximum input current of 32A this means that the output can supply up to 32 + 13 = 45 A.

An earth leakage circuit breaker and a fuse or circuit breaker rated to support the expected load must be included in series with the

output, and cable cross-section must be sized accordingly.

• AC-out-2

A second output is available that disconnects its load in the event of battery operation. On these terminals, equipment is connected

that may only operate if AC voltage is available on AC-in-1, e.g. an electric boiler or an air conditioner. The load on AC-out-2 is

disconnected immediately when the Quattro switches to battery operation. After AC power becomes available on AC-in-1, the load

on AC-out-2 will be reconnected with a delay of approximately 2 minutes. This to allow a genset to stabilise.

4.4 Optional Connections

A number of optional connections are possible:

4.4.1 Remote Control

The product can be remotely controlled in two ways.

• With an external switch (connection terminal M, see appendix A). Operates only if the switch on the MultiPlus-II is set to “on”.

• With a Multi Control panel (connected to one of the two RJ45 sockets L, see appendix A). Operates only if the switch on the

MultiPlus-II is set to “on”.

4.4.2. Programmable relay

The product is equipped with a programmable relay.

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

4.4.3 Programmable analog/digital input/output ports

The product is equipped with 2 analog/digital input/output ports.

These ports can be used for several purposes. One application is communication with the BMS of a lithium-ion battery.

4.4.4 Starter battery (connection terminal L, see appendix A)

The Multiplus-II has a connection for charging a starter battery. Output current is limited to 4A.

10

4.4.5 Voltage sense (connection terminal G, see appendix A)

For compensating possible cable losses during charging, two sense wires can be connected with which the voltage directly on the

battery or on the positive and negative distribution points can be measured. Use wire with a cross-section of 0,75mm².

During battery charging, the Quattro will compensate the voltage drop over the DC cables up to a maximum of 1 Volt (i.e. 1V over the

positive connection and 1V over the negative connection). If the voltage drop threatens to become larger than 1V, the charging current

is limited in such a way that the voltage drop remains limited to 1V.

4.4.6 Temperature sensor (connection terminal G, see appendix A)

For temperature-compensated charging, the temperature sensor (supplied with the Quattro) can be connected. The sensor is isolated

and must be fitted to the negative terminal of the battery.

4.4.7 Parallel Connection

Up to six identical units can be connected in parallel. When connecting MultiPlus-II units in parallel, the following requirements must be

met:

• All units must be connected to the same battery

• 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-II units.

• Place the MultiPlus-II units close to each other, but allow at least 10cm for ventilation purposes under, above and beside the units.

• It is essential the negative battery terminal between the units is always connected. A fuse or circuit breaker is not allowed.

• UTP cables must be connected directly from one unit to the other (and to the remote panel). Connection or splitter boxes are not

permitted.

• Always interconnect the negative battery cables before placing the UTP cables.

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

4.4.8 Three-phase operation

The MultiPlus-II 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-II plus an optional control panel) will require

subsequently configuration (see Section 5).

Pre-requisites: see Section 4.4.5.

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

2. When the AS4777.2 grid code has been selected in VEConfigure, only 2 units in parallel per phase are allowed in a three

phase system.

11

EN NL FR DE ES SE IT Appendix

5. CONFIGURATION

This section is intended mainly for stand-alone applications

For grid connected Energy Storage Systems (ESS) please see https://www.victronenergy.com/live/ess:start

• Settings may only be changed by a qualified electrical engineer.

• Read the instructions thoroughly before implementing changes.

• During setting of the charger, the AC input must be removed.

5.1 Standard settings: ready for use

On delivery, the MultiPlus-II 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-II 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

AES (Automatic Economy Switch) off

Ground relay on

Charger on/ off on

Battery charge curve four-stage adaptive with BatterySafe mode

Charging current 100% of the maximum charging current

Battery type Victron Gel Deep Discharge (also suitable for Victron AGM Deep Discharge)

Automatic equalisation charging off

Absorption voltage 28.8V / 57.6V

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

Float voltage 27.6V / 55.2V

Storage voltage 26.4V / 52.8V (not adjustable)

Repeated absorption time 1 hour

Absorption repeat interval 7 days

Bulk protection on

AC input current limit 32A (= adjustable current limit for PowerControl and PowerAssist functions)

UPS feature on

Dynamic current limiter off

WeakAC off

BoostFactor 2

Programmable relay alarm function

PowerAssist on

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: 50 Hz; 60 Hz

Input frequency range

Input frequency range accepted by the MultiPlus-II. The MultiPlus-II 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-II. The MultiPlus-II synchronises within this range with the AC input. The output voltage is then

equal to the input voltage.

Adjustability: Lower limit: 180 – 230V

Upper limit: 230 – 270V

Note: the standard lower limit setting of 180V is intended for connection to a weak mains supply, or to a generator with unstable AC

output. This setting may result in a system shut down when connected to a ‘brushless, self excited, externally voltage regulated,

synchronous AC generator’ (synchronous AVR generator). Most generators rated at 10kVA or more are synchronous AVR generators.

The shut down is initiated when the generator is stopped and revs down while the AVR simultaneously ‘tries’ to keep the output voltage

of the generator at 230V.

The solution is to increase the lower limit setting to 210VAC (the output of AVR generators is generally very stable), or to disconnect the

MultiPlus-II from the generator when a generator stop signal is given (with help of an AC contactor installed in series with the generator).

12

Inverter voltage

Output voltage of the MultiPlus-II 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 with a separate autotransformer: see VE autotransformer datasheet and manual

• create a 3-phase system.

The standard product settings are for standalone operation. For parallel, three-phase or split phase operation see section 5.3.

AES (Automatic Economy Switch)

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. Applicable in stand-alone configuration only.

Search Mode

Instead of the AES mode, the search mode can also be chosen. If search mode is ‘on’, the power consumption in no-load operation is

decreased by approx. 70%. In this mode the MultiPlus-II, 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 ‘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)

Ground relay (see appendix B)

With this relay, the neutral conductor of the AC output is grounded to the chassis when the back feed safety relays are open. This

ensures the correct operation of earth leakage circuit breakers in the output. If required an external ground relay can be connected (for a

split-phase system with a separate autotransformer). See appendix A.

Battery charge algorithm

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

This is the recommended charge algorithm for lead acid batteries. 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 flooded batteries.

With VEConfigure the charge algorithm can be adjusted to charge any battery type (Nickel Cadmium batteries, Lithium-ion batteries)

Absorption time

In case of the standard setting ‘Four-stage adaptive with BatterySafe mode’ the absortion time depends on the bulk time (adaptive

charge curve), so that the battery is optimally charged.

Automatic equalisation charging

This setting is intended for flooded tubular plate traction or OPzS 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.

Storage voltage, Repeated Absorption Time, Absorption Repeat Interval

See Section 2.

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).

AC input current limit

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

PowerAssist setting range: from 5,3 A to 32 A.

Factory setting: the maximum value (32 A).

UPS feature

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

The output voltage of some small generator sets is too unstable and distorted for using this setting – the MultiPlus-II would continually

switch to inverter operation. For this reason, the setting can be turned off. The MultiPlus-II 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-II fails to synchronise, or continually switches back to inverter operation.

13

EN NL FR DE ES SE IT Appendix

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-II 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.

Weak AC

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%.

BoostFactor

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

Programmable relay

The MultiPlus is equipped with three programmable relays. The relay can be programmed for all kinds of other applications, for example

as a starter relay for a generator.

Auxiliary AC output (AC-out-2)

Intended for non-critical loads and directly connected to the AC input. With current measurement circuit to enable PowerAssist.

5.3 Configuring the MultiPlus-II

The following hardware is required:

A MK3-USB (VE.Bus to USB) interface.

Alternatively, the Interface MK2.2b (VE.Bus to RS232) can be used (RJ45 UTP cable needed).

5.3.1 VE.Bus Quick Configure Setup

VE.Bus Quick Configure Setup is a software program with which systems with a maximum of three Multis (parallel or three phase

operation) can be configured in a simple manner.

The software can be downloaded free of charge at www.victronenergy.com.

5.3.2 VE.Bus System Configurator

For configuring advanced applications and/or systems with four or more Multis, VE.Bus System Configurator software must be used.

The software can be downloaded free of charge at www.victronenergy.com .

14

6. MAINTENANCE

The MultiPlus-II does not require specific maintenance. It will suffice to check all connections once a year. Avoid moisture and

oil/soot/vapours, and keep the device clean.

7. ERROR INDICATIONS

With the procedures below, most errors can be quickly identified. If an error cannot be resolved, please refer to your Victron Energy

supplier.

We recommend to use the toolkit app to link LED alarm codes to a description of the problem/alarm, see

https://www.victronenergy.com/support-and-downloads/software#victron-toolkit-app

7.1 General error indications

Problem

Cause

Solution

No output voltage on

AC-out-2.

MultiPlus-II in inverter mode

Multi will not switch over to

generator or mains

operation.

Circuit breaker or fuse in the

AC-in input is open as a result of

overload.

Remove overload or short

circuit on AC-out-1 or AC-out-

2, and reset fuse/breaker.

Inverter operation not

initiated when switched on.

The battery voltage is

excessively high or too low. No

voltage on DC connection.

Ensure that the battery voltage

is within the correct range.

‘Low battery’ LED flashes.

The battery voltage is low.

Charge the battery or check

the battery connections.

‘Low battery’ LED lights.

The converter switches off

because the battery voltage is

too low.

Charge the battery or check

the battery connections.

‘Overload’ LED flashes.

The converter load is higher than

the nominal load.

Reduce the load.

‘Overload’ LED lights.

The converter is switched off due

to excessively high load.

Reduce the load.

‘Temperature’ LED flashes

or lights.

The environmental temperature

is high, or the load is too high.

Install the converter in cool

and well-ventilated

environment, or reduce the

load.

‘Low battery’ and ‘overload’

LEDs flash intermittently.

Low battery voltage and

excessively high load.

Charge the batteries,

disconnect or reduce the load,

or install higher capacity

batteries. Fit shorter and/or

thicker battery cables.

‘Low battery’ and ‘overload’

LEDs flash simultaneously.

Ripple voltage on the DC

connection exceeds 1,5Vrms.

Check the battery cables and

battery connections. Check

whether battery capacity is

sufficiently high, and increase

this if necessary.

‘Low battery’ and ‘overload’

LEDs light.

The inverter is switched off due

to an excessively high ripple

voltage on the input.

Install batteries with a larger

capacity. Fit shorter and/or

thicker battery cables, and

reset the inverter (switch off,

and then on again).

15

EN NL FR DE ES SE IT Appendix

One alarm LED

lights and the

second flashes.

The inverter is switched off due to

alarm activation by the lighted LED.

The flashing LED indicates that the

inverter was about to switch off due

to the related alarm.

Check this table for appropriate

measures in regard to this alarm

state.

The charger does

not operate.

The AC input voltage or frequency is

not within the range set.

Ensure that the AC input is between

185VAC and 265VAC, and that the

frequency is within the range set

(default setting 45-65 Hz).

Circuit breaker or fuse in the

AC-in input is open as a result of

overload.

Remove overload or short circuit on

AC-out-1 or AC-out-2, and reset

fuse/breaker.

The battery fuse has blown.

Replace the battery fuse.

The distortion or the AC input voltage is

too large (generally generator supply).

Turn the settings WeakAC and

dynamic current limiter on.

The charger does

not operate.

‘Bulk’ LED flashes

and

‘Mains on’ LED

illuminates.

MultiPlus-II is in ‘Bulk protection’ mode

thus, the maximum bulk charging time

of 10 hours is exceeded.

Such a long charging time could

indicate a system error (e.g. a battery

cell short-circuit).

Check your batteries.

NOTE:

You can reset the error mode by

switching off and back on the

MultiPlus-II.

The standard MultiPlus-II factory

setting of the ’Bulk protection’ mode

is switched on. The ‘Bulk protection’

mode can be switched off with help of

VEConfigure only.

The battery is not

completely charged.

Charging current excessively high,

causing premature absorption phase.

Set the charging current to a level

between 0.1 and 0.2 times the battery

capacity.

Poor battery connection.

Check the battery connections.

The absorption voltage has been set to

an incorrect level (too low).

Set the absorption voltage to the

correct level.

The float voltage has been set to an

incorrect level (too low).

Set the float voltage to the correct

level.

The available charging time is too short

to fully charge the battery.

Select a longer charging time or

higher charging current.

The absorption time is too short. For

adaptive charging this can be caused

by an extremely high charging current

with respect to battery capacity, so that

bulk time is insufficient.

Reduce the charging current or select

the ‘fixed’ charging characteristics.

The battery is

overcharged.

The absorption voltage is set to an

incorrect level (too high).

Set the absorption voltage to the

correct level.

The float voltage is set to an incorrect

level (too high).

Set the float voltage to the correct

level.

Poor battery condition.

Replace the battery.

The battery temperature is too high

(due to poor ventilation, excessively

high environmental temperature, or

excessively high charging current).

Improve ventilation, install batteries

in a cooler environment, reduce the

charging current, and connect the

temperature sensor.

The charging

current drops to 0

as soon as the

absorption phase

initiates.

The battery is over-heated (>50°C)

─ Install the battery in a cooler

environment

─ Reduce the charging current

─ Check whether one of the

battery cells has an internal

short circuit

Defective battery temperature sensor

Disconnect the temperature sensor

plug in the MultiPlus-II. If charging

functions correctly after

approximately 1 minute, the

temperature sensor should be

replaced.

16

7.2 Special LED indications

(for the normal LED indications, see section 3.4)

‘Mains on’ flashes and there is no output voltage.

The device is in ‘charger only’ operation and mains supply is present. The

device rejects the mains supply or is still synchronising.

Bulk and absorption LEDs flash synchronously

(simultaneously).

Voltage sense error. The voltage measured at the voltage sense connection

deviates too much (more than 7V) from the voltage on the positive and

negative connection of the device. There is probably a connection error.

The device will remain in normal operation.

NOTE: If the "inverter on" LED flashes in phase opposition, this is a VE.Bus

error code (see further on).

Absorption and float LEDs flash synchronously

(simultaneously).

The battery temperature as measured has an extremely unlikely value. The

sensor is probably defective or has been incorrectly connected. The device

will remain in normal operation.

NOTE: If the "inverter on" LED flashes in phase opposition, this a VE.Bus

error code (see further on).

7.3 VE.Bus LED indications

Equipment included in a VE.Bus system (a parallel or 3-phase arrangement) can provide so-called VE.Bus LED indications. These LED

indications can be subdivided into two groups: OK codes and error codes.

7.3.1 VE.Bus OK codes

If the internal status of a device is in order but the device cannot yet be started because one or more other devices in the system

indicate an error status, the devices that are in order will indicate an OK code. This facilitates error tracing in a VE.Bus system, since

devices not requiring attention are easily identified as such.

Important: OK codes will only be displayed if a device is not in inverter or charging operation!

• A flashing ‘bulk’ LED indicates that the device can perform inverter operation.

• A flashing ‘float’ LED indicates that the device can perform charging operation.

NOTE: In principle, all other LEDs must be off. If this is not the case, the code is not an OK code.

However, the following exceptions apply:

• The special LED indications above can occur together with the OK codes.

• The ‘low battery’ LED can function together with the OK code that indicates that the device can charge.

7.3.2 VE.Bus error codes

A VE.Bus system can display various error codes. These codes are displayed with the ‘inverter on’, ‘bulk’, ‘absorption’ and ‘float’ LEDs.

To interpret a VE.Bus error code correctly, the following procedure should be followed:

1. The device should be in error (no AC output).

2. Is the ‘inverter on’ LED flashing? If not, then there is no VE.Bus error code.

3. If one or more of the LEDs ‘bulk’, ‘absorption’ or ‘float’ flashes, then this flash must be in phase opposition to the ‘inverter on’ LED,

i.e. the flashing LEDs are off if the ‘inverter on’ LED is on, and vice versa. If this is not the case, then there is no VE.Bus error

code.

4. Check the ‘bulk’ LED, and determine which of the three tables below should be used.

5. Select the correct column and row (depending on the ‘absorption’ and ‘float’ LEDs), and determine the error code.

6. Determine the meaning of the code in the tables below.

17

EN NL FR DE ES SE IT Appendix

All of the conditions below must be met!:

1. The device is in error! (No AC output)

2. Inverter LED flashes (in opposition to any flashing of the Bulk, Absorption or Float LED)

3. At least one of the LEDs Bulk, Absorption and Float is on or flashing

Bulk LED off Bulk LED flashes Bulk LED on

Absorption LED Absorption LED Absorption LED

off

flashing

on

off

flashing

on

off

flashing

on

Float LED

off 0 3 6

Float LED

Off 9 12 15

Float LE

D

off 18 21 24

flashing 1 4 7 flashing 10 13 16 flashing 19 22 25

on 2 5 8 On 11 14 17 on 20 23 26

Bulk LED

Absorption LED

Float LED

Code Meaning: Cause/solution:

1

Device is switched off because one of

the other phases in the system has

switched off.

Check the failing phase.

3 Not all, or more than, the expected

devices were found in the system.

The system is not properly configured. Reconfigure the system.

Communication cable error. Check the cables and switch all equipment off,

and then on again.

4 No other device whatsoever detected. Check the communication cables.

5 Overvoltage on AC-out. Check the AC cables.

10 System time synchronisation problem

occurred.

Should not occur in correctly installed equipment. Check the communication

cables.

14 Device cannot transmit data. Check the communication cables (there may be a short circuit).

17

One of the devices has assumed

‘master’ status because the original

master failed.

Check the failing unit. Check the communication cables.

18 Overvoltage has occurred. Check AC cables.

22 This device cannot function as ‘slave’. This device is an obsolete and unsuitable model. It should be replaced.

24 Switch-over system protection initiated.

Should not occur in correctly installed equipment. Switch all equipment off,

and then on again. If the problem recurs, check the installation.

Possible solution: increase lower limit of AC input voltage to 210 VAC

(factory setting is 180 VAC)

25

Firmware incompatibility. The firmware

of one the connected devices is not

sufficiently up to date to operate in

conjunction with this device.

1) Switch all equipment off.

2) Switch the device returning this error message on.

3) Switch on all other devices one by one until the error message reoccurs.

4) Update the firmware in the last device that was switched on.

26 Internal error. Should not occur. Switch all equipment off, and then on again. Contact

Victron Energy if the problem persists.

18

8. TECHNICAL SPECIFICATIONS

MultiPlus-II 24/3000/70-32 48/3000/35-32 48/5000/70-50

PowerControl / PowerAssist

Yes

AC input

Input voltage range: 187-265 VAC Input frequency: 45 – 65 Hz

Maximum feed through current 32A 50A

INVERTER

Input voltage range

19 – 33 V

38 – 66 V

Output (1)

Output voltage: 230 VAC ± 2% Frequency: 50 Hz ± 0,1%

Cont. output power at 25°C / 77°F (3)

3000 VA

5000VA

Cont. output power at 25°C / 77°F

2400 W

4000W

Cont. output power at 40°C / 104°F

2200 W

3700W

Cont. output power at 65°C / 150°F

1700 W

3000W

Maximum feed-in power

2470W/2500VA

4400W/4500VA

Peak power

5500 W

9000W

Maximum efficiency

94%

95 %

96%

Zero-load power 13W 11 W 18W

Zero-load power in AES mode

9W

7 W

12W

Zero-load power in Search mode

3W

2 W

2W

CHARGER

Input voltage range: 187-265 VAC Input frequency: 45 – 55 Hz Power factor: 1

Charge voltage 'absorption'

28,8V

57,6 V

Charge voltage 'float'

27,6V

55,2 V

Storage mode

26,4V

52,8 V

Charge current house battery (4)

70A

35A

70A

GENERAL

Auxiliary output Yes (32 A) Default setting: switches off when in inverter mode

External AC current sensor (optional)

50A

100A

Programmable relay

(5)

Yes

Protection (2)

a - g

VE.Bus communication port

For parallel and three phase operation, remote monitoring and system integration

General purpose com. port

Yes, 2x

Common Characteristics Operating temp.: -40 to +65°C (-40 – 150°F) (fan assisted cooling)

Humidity (non-condensing): max 95%

ENCLOSURE

Material & Colour

Steel, blue RAL 5012 Protection category: IP22 Pollution degree 2, OVC3

Battery-connection

M8 bolts

230 V AC-connections

Screw terminals 13 mm² (6 AWG)

Weight

18 kg

29kg

Dimensions (hxwxd)

506 x 275 x 147 mm

565 x 323 x 148 mm

STANDARDS

Safety

EN 60335-1, EN 60335-2-29, IEC62109-1, IEC62109-2

Emission / Immunity EN 55014-1, EN 55014-2, EN-IEC 61000-3-2, EN-IEC 61000-3-3

IEC 61000-6-1, EN 61000-6-2, EN 61000-6-3

Uninterruptible power supply

IEC 62040-1, AS 62040.1.1

Anti-islanding VDE-AR-N 4105, G59/3-2, G83/2, AS/NZS 4777.2, UTE C15-712-1, C10/11, RD 1699-RD

413, TOR D4

1) Can be adjusted to 60 Hz; 120V 60 Hz on request

2) Protection

a. Output short circuit

b. Overload

c. Battery voltage too high

d. Battery voltage too low

e. Temperature too high

f. 230 VAC on inverter output

g. Input voltage ripple too high

3) Non linear load, crest factor 3:1

4) At 25°C ambient

5) Programmable relay which can be set for general

alarm, DC undervoltage or genset start/stop function

AC rating: 230V / 4A

DC rating: 4A up to 35VDC and 1A upto 60VDC

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Victron energy PMP242305010 Manuel utilisateur

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