Victron energy Multiplus Manuale utente

MultiPlus 2kVA 230V

rev 04 - 2021

ENGLISH

Table of Contents

1. IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS ................................................... 1

2. Description ............................................................................................................................ 3

2.1. General ....................................................................................................................... 3

2.2. Battery charger .............................................................................................................. 3

2.3. Self consumption – solar energy storage systems ...................................................................... 4

3. Operation .............................................................................................................................. 5

3.1. On / Off / Charger-only Switch ............................................................................................. 5

3.2. Remote control .............................................................................................................. 5

3.3. LED Indications .............................................................................................................. 5

4. Installation ............................................................................................................................. 7

4.1. Location ...................................................................................................................... 7

4.2. Connection of the Battery cables .......................................................................................... 7

4.3. Connection of the AC cabling .............................................................................................. 8

4.4. Optional Connections ....................................................................................................... 8

4.4.1. Second Battery .................................................................................................... 8

4.4.2. Temperature Sensor .............................................................................................. 8

4.4.3. Remote Control .................................................................................................... 8

4.4.4. Programmable relay .............................................................................................. 9

4.4.5. Parallel Connection (see appendix C) .......................................................................... 9

4.4.6. Three-phase operation (see appendix D) ...................................................................... 9

5. Configuration ....................................................................................................................... 10

5.1. Standard settings: ready for use ......................................................................................... 10

5.2. Explanation of settings .................................................................................................... 10

5.3. Configuration of the MultiPlus ............................................................................................ 12

5.3.1. VE.Bus Quick Configure Setup ................................................................................ 13

5.3.2. VE.Bus System Configurator .................................................................................. 13

5.4. Configuration with DIP switches ......................................................................................... 13

5.4.1. DIP switch 1 to 3 ................................................................................................ 13

5.4.2. Exemplary settings .............................................................................................. 13

6. Maintenance ......................................................................................................................... 15

7. Trouble Shooting Table ........................................................................................................... 16

8. Technical Data ...................................................................................................................... 18

9. APPENDIX ........................................................................................................................... 20

9.1. Appendix A: overview connections ...................................................................................... 20

9.2. Appendix B: installation information ..................................................................................... 20

9.3. Appendix C: parallel connection ......................................................................................... 22

9.4. Appendix D: three-phase connection ................................................................................... 22

9.5. Appendix E: charge algorithm ............................................................................................ 22

9.6. Appendix F: temperature compensation ................................................................................ 23

9.7. Appendix G: dimensions .................................................................................................. 23

MultiPlus 2kVA 230V

1. IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE

INSTRUCTIONS

General

This manual contains important safety and operating instructions for marine unit MultiPlus.

CAUTION – To reduce risk of injury, charge only VRLA or Li-Ion rechargeable batteries. Other types of batteries may burst

causing personal injury and damage.

Do not expose charger to rain or snow.

Use of an attachment not recommended or sold by the marine unit manufacturer may result in a risk of fire, electric shock, or

injury to persons.

Do not disassemble marine unit; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may

result in a risk of electric shock or fire.

To reduce risk of electric shock, unplug marine unit from outlet before attempting any maintenance or cleaning. Turning off

controls will not reduce this risk.

WARNING: RISK OF EXPLOSIVE GASES

WORKING IN THE VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES

DURING NORMAL BATTERY OPERATION. FOR THIS REASON, IT IS OF THE UTMOST IMPORTANCE THAT EACH TIME

BEFORE SERVICING THE UNIT IN THE VICINITY OF THE BATTERY, YOU READ THIS MANUAL AND FOLLOW THE

INSTRUCTIONS EXACTLY.

To reduce risk of battery explosion, follow these instructions and those published by battery manufacturer and manufacturer of

any unit you intend to use in the vicinity of the battery. Review cautionary marking on these products and on engine.

PERSONAL PRECAUTIONS

i. Someone should be within range of your voice or close enough to come to your aid when you work near a lead-acid battery.

ii. Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing, or eyes.

iii. Wear complete eye protection and clothing protection. Avoid touching eyes while working near battery.

iv. If battery acid contacts skin or clothing, wash immediately with soap and water. If acid enters eye, immediately flood eye with

running cold water for at least 10 min and get medical attention immediately.

v. NEVER smoke or allow a spark or flame in the vicinity of the battery or engine.

vi. Be extra cautious to reduce risk of dropping a metal tool onto battery. It might spark or short-circuit battery or other electrical

part that may cause explosion.

vii. Remove personal metal items such as rings, bracelets, necklaces, and watches when working with a lead-acid battery. A

lead-acid battery can produce a short-circuit current high enough to weld a ring or the like to metal, causing a severe burn.

viii. NEVER charge a frozen battery.

ix. If necessary to remove battery from vessel, always remove grounded terminal from battery first. Make sure all accessories in

the vessels are off, so as not to cause an arc.

x. Be sure area around battery is well ventilated.

xi. Clean battery terminals. Be careful to keep corrosion from coming in contact with eyes.

xii. Study all battery manufacturer’s specific precautions such as removing or not removing cell caps while charging and

recommended rates of charge.

xiii. Add distilled water in each cell until battery acid reaches level specified by battery manufacturer. This helps purge excessive

gas from cells. Do not overfill. For a battery without cell caps, carefully follow manufacturer’s recharging instructions.

MARINE UNIT LOCATION

i. Locate marine unit away from battery in a separate, well ventilated compartment.

ii. Never place marine unit directly above battery; gases from battery will corrode and damage marine unit.

iii. Never allow battery acid to drip on marine unit when reading gravity or filling battery.

MultiPlus 2kVA 230V

Page 1

IMPORTANT SAFETY INSTRUCTIONS -

SAVE THESE INSTRUCTIONS

iv. Do not operate marine unit in a closed-in area or restrict ventilation in any way.

DC CONNECTION PRECAUTIONS

Connect and disconnect DC output connections only after setting any marine unit switches to off position and removing AC cord

from electric outlet or opening AC disconnect.

EXTERNAL CONNECTIONS TO CHARGER SHALL COMPLY WITH THE UNITED STATES COAST GUARD ELECTRICAL

REGULATIONS (33CFR183, SUB PART I).

GROUNDING INSTRUCTIONS

This marine unit should be connected to a grounded, metal, permanent wiring system; or an equipment-grounding conductor

should be run with circuit conductors and connected to equipment-grounding terminal or lead on unit. Connections to unit should

comply with all local codes and ordinances.

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.

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.

Never try to charge non-rechargeable - or frozen batteries.

The converter/inverter is intended to recharge batteries. The battery that is connected to this product is only suitable if it complies

with the given battery standard for that battery type and is provided with a battery management system that will monitor and

control the electrical and thermal health of the battery during charging. When installing this converter/inverter, the battery is to be

verified as in compliance with the applicable battery standard.

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

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 or fitted with circuit breakers.

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 -40°C and 70°C.

Consult the battery manufacturer's manual in respect of transport, storage, charging, recharging and disposal of the battery.

MultiPlus 2kVA 230V

Page 2

IMPORTANT SAFETY INSTRUCTIONS -

SAVE THESE INSTRUCTIONS

2. Description

2.1. General

Multifunctional

The MultiPlus 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 enclosure. Beside these

primary functions, however, the MultiPlus 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 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 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.

Preventing damage due to excessive gassing: the Battery Safe 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

1A 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.

MultiPlus 2kVA 230V

Page 3 Description

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 on our website.

2.3. Self consumption – solar energy storage systems

When the MultiPlus 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.

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 an external certified interface device should be used to connect the

MultiPlus 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.

MultiPlus 2kVA 230V

Page 4 Description

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 ‘Charger’ LED will light up and the charger commences charging. If the voltage at the ‘AC-in’ terminal is

not within specifications, 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 also is switched through to the ‘AC out’ terminal.

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 the batteries from running flat.

3.2. Remote control

Remote control is possible with 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 in Section 2.

3.3. LED Indications

LED off

LED flashes

LED illuminated

Inverter/Charger

On / Off / Charger-only switch = On

The inverter is switched on and supplies power to the load.

On / Off / Charger-only switch = Charger only

The inverter is switched on and supplies power to the load.

Pre-alarm: overload, or

battery voltage low, or

inverter temperature high

On / Off / Charger-only switch = On

The inverter is switched off due to one of the following alarms:

overload, or

battery voltage low, or

inverter temperature high, or

DC ripple voltage too high.

MultiPlus 2kVA 230V

Page 5 Operation

On / Off / Charger-only switch = On

The AC input voltage is switched through and the charger operates in float mode.

On / Off / Charger-only switch = On. PowerControl and PowerAssist:

The AC input is switched through and the charge current is zero.

The inverter is switched on and, in case of PowerAssist, assists the AC input by supplying

additional power to the load (see section 2.1).

On / Off / Charger-only switch = On. Energy Storage System (ESS):

The AC input voltage is switched through. The inverter is switched on and supplies power to the

load, or excess power to the mains.

Charger only

On / Off / Charger-only switch = Charger only

The AC input voltage is switched through and the charger operates in bulk or absorption mode.

On / Off / Charger-only switch = Charger only

The AC input is switched through and the charger operates in float or storage mode.

The MultiPlus will shut down if four abnormal events occur within 30 seconds. The MultiPlus can be reset by

switching to Off and then to On.

MultiPlus 2kVA 230V

Page 6 Operation

4. Installation

This product should be installed by a qualified electrician.

CAUTION – To reduce risk of injury, charge only VRLA or Li-Ion batteries. Other types of batteries may burst

causing personal injury and damage!

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.

1. Excessively high ambient temperature will result in the following:

• Reduced service life

• Reduced charging current.

• Reduced peak capacity, or shutdown of the inverter.

2. Never mount the product directly above the batteries.

For mounting see G

For safety purposes, this product should be installed in a heat-resistant environment. Prevent the presence of

e.g. chemicals, synthetic components, curtains or other textiles, etc., in the immediate vicinity.

4.2. Connection of the Battery cables

NO internal DC Fuses.

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 below:

12/2000/80 24/2000/50 48/2000/25

Recommended battery capacity (Ah) 350-1000 200–500 100-250

Recommended DC fuse 300A 200A 100A

Recommended cross section (mm2)

per + and - connection terminal

0 – 5 m 70mm-2 35 mm2 25 mm2

5 – 10 m 95mm2 70 mm2 50mm2

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.

All servicing must be undertaken by qualified personnel.

MultiPlus 2kVA 230V

Page 7 Installation

4.3. Connection of the AC cabling

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, 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, 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.

The mains input & output terminal connector can be found on the bottom of the MultiPlus, 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 at least 6 mm². Recommended torque: 1,6 Nm

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

The AC input must be protected by a fuse or magnetic circuit breaker rated at 32A, 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

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 MultiPlus can add up to 2kVA (that is 2000 / 230 = 9A) 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 + 9 = 41 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.

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 Multi has a connection (+) for charging a starter battery. For connection see appendix A.

Trickle charge output is protected by automatic overcurrent & overload protection (trip current 1A Imax= 5,5A)

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 battery minus pole. Default output voltages for Float and Absorption are at 25°C. In adjust mode

temperature compensation is disabled.

4.4.3. Remote Control

The product can be remotely controlled in two ways:

• With an external on/off switch (Remove Link “Remote Switch connector H”)

• With a Multi Control Panel

Please see section 5.4 for appropriate DIP switch settings.

MultiPlus 2kVA 230V

Page 8 Installation

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