Victron energy MultiPlus-II GX Manuel utilisateur
MultiPlus-II GX
ENGLISH
Table of Contents
1. Product Manual ....................................................................................................................... 4
2. Latest Documentation ............................................................................................................... 5
3. Safety Instructions ................................................................................................................... 6
3.1. Transport and storage .................................................................................................... 6
4. Safe Installation ...................................................................................................................... 7
5. Product Description ................................................................................................................. 8
5.1. Features applying to all applications .................................................................................. 8
5.1.1. GX LCD display ................................................................................................... 8
5.1.2. BMS-Can Connections .......................................................................................... 8
5.1.3. Ethernet and Wifi ................................................................................................ 8
5.1.4. Automatic and uninterruptible switching ................................................................... 8
5.1.5. Two AC outputs .................................................................................................. 8
5.1.6. Three phase capability .......................................................................................... 8
5.1.7. PowerControl – maximum use of limited AC power ...................................................... 8
5.1.8. PowerAssist – Extended use of generator or shore current ............................................ 8
5.1.9. Programmable .................................................................................................... 8
5.1.10. Programmable relay ........................................................................................... 8
5.1.11. External current transformer (option) ...................................................................... 8
5.1.12. Programmable analog/digital input/output ports (Aux in 1 and Aux in 2, see appendix) ......... 8
5.2. Features specific on-grid and off-grid systems combined with PV .............................................. 8
5.2.1. External current transformer (optional) ..................................................................... 9
5.2.2. Frequency shift .................................................................................................. 9
5.2.3. Built-in Battery Monitor ......................................................................................... 9
5.2.4. Autonomous operation when the grid fails ................................................................. 9
5.3. Battery charger ............................................................................................................. 9
5.3.1. Lead-acid batteries .............................................................................................. 9
5.3.2. Li-ion batteries ................................................................................................... 9
5.3.3. Other Li-ion batteries ......................................................................................... 10
5.3.4. More on batteries and battery charging ................................................................... 10
5.4. ESS – Energy Storage Systems: feeding energy back into the grid ........................................... 10
6. Operation ............................................................................................................................ 11
6.1. On/Off/Charger Only Switch ........................................................................................... 11
7. GX LCD Interface ................................................................................................................... 12
7.1. On/off behaviour ......................................................................................................... 12
7.2. Push button behaviour .................................................................................................. 12
7.3. Information displayed ................................................................................................... 12
7.4. Error Code Display ...................................................................................................... 12
8. Accessing Connection Points: see appendix A ............................................................................... 13
9. Installation ........................................................................................................................... 14
9.1. Location ................................................................................................................... 14
9.2. Connection of battery cables .......................................................................................... 14
9.3. Battery Connection Procedure ........................................................................................ 14
9.4. Connection of the AC cabling ......................................................................................... 15
9.5. Optional Connections ................................................................................................... 16
9.5.1. Remote Control ................................................................................................ 16
9.5.2. Programmable relay ........................................................................................... 16
9.5.3. Programmable analog/digital input/output ports ........................................................ 16
9.5.4. Voltage sense (connection terminal J, see Appendix A) ............................................... 16
9.5.5. Temperature sensor (connection terminal J, see Appendix A) ....................................... 17
9.5.6. Parallel Connection ........................................................................................... 17
9.5.7. Three-phase operation ........................................................................................ 17
9.5.8. Connection to the VRM Portal ............................................................................... 17
10. Configuration ...................................................................................................................... 18
10.1. Standard settings: ready for use ....................................................................................... 18
10.2. Explanation of settings ................................................................................................ 18
10.2.1. Equalisation ................................................................................................... 20
11. Configuring the Product ......................................................................................................... 22
11.1. VEConfigure PC software ............................................................................................. 22
11.2. VE.Bus Quick Configure Setup ...................................................................................... 22
11.3. VE.Bus System Configurator ........................................................................................... 22
12. Maintenance ....................................................................................................................... 23
13. Error Indications .................................................................................................................. 24
13.1. General error indications ............................................................................................. 24
13.2. VE.Bus error codes .................................................................................................... 25
14. Technical Specifications ........................................................................................................ 26
15. Appendix ............................................................................................................................ 28
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15.1. Appendix A : Connection Overview ................................................................................. 28
15.2. Appendix B : Block Diagram ............................................................................................ 29
15.3. Appendix C : Parallel Connections .................................................................................. 30
15.4. Appendix D : Three Phase Connections ........................................................................... 30
15.5. Appendix E : Charge Characteristic ................................................................................ 31
15.5.1. 4-stage charging: ............................................................................................. 31
15.6. Appendix F : Temperature Compensation ......................................................................... 32
15.7. Appendix G : Dimensions ............................................................................................. 32
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1. Product Manual
Introduction
The Victron integrates the following elements:
• A powerful MultiPlus-II inverter/charger
• A GX card with a 2x 16 character display
These elements come prewired, and preconfigured together inside a single unit. This simplifies installation, saving
time and money.
This document explains:
• Features
• Behaviour
• Specifications
• Limitations
• Installation instructions
• Troubleshooting steps
You must read it to understand how to use your product safely and reliably.
This manual applies to:
• MultiPlus-II GX 48/3000/35-32
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3. Safety Instructions
Please read the documentation supplied with this product first, so that you are familiar with the safety signs and directions before
using the product. This product is designed and tested in accordance with international standards. The product 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 product 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 product 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 product by a person
responsible for their safety. Children should be supervised to ensure that they do not play with the product.
WARNING
Do not lift heavy objects unassisted
3.1. 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.
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4. Safe 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 termi-
nals must be provided with uninterruptible grounding for safety purposes. An additional grounding point bonded to the
chassis is located inside the terminal cover of the product. See Appendix A.
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 compo-
nent of a different type. Refer to the connection of battery cables section of 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 tex-
tiles, etc. in the immediate vicinity of the equipment.
This inverter is provided with an internal isolation transformer providing reinforced insulation.
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5. Product Description
The basis of the product is an extremely powerful sine inverter, battery charger and transfer switch in a compact casing. It is suit-
ed for use in Marine, Automotive, as well as stationary land-based applications.
5.1. Features applying to all applications
5.1.1. GX LCD display
A backlit 2 x 16 character display screen shows system parameters.
5.1.2. BMS-Can Connections
The BMS-Can connection allows connecting of compatible 500 kbps CAN-bus BMS batteries. VE.Can products as for example
Victron MPPT Solar Chargers, or a Lynx Shunt VE.Can are NOT supported.
5.1.3. Ethernet and Wifi
Ethernet and Wifi connections allow for local and remote system monitoring, as well as connection to Victron's free VRM portal for
long term system performance information.
5.1.4. Automatic and uninterruptible switching
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, refriger-
ators, 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 the product and batteries, this problem can be solved: the product can
replace the grid during a power failure. When the sustainable energy sources produce more power than needed, the product
will use the surplus to charge the batteries; in the event of a shortfall, the product will supply additional power from the battery.
5.1.5. Two AC outputs
Besides the usual uninterruptible 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.
5.1.6. Three phase capability
The unit can be connected with others and configured for three-phase output. Up to 6 sets of three can be parallel connected to
provide 45 kW / 54 kVA inverter power and more than 600A charging capacity.
5.1.7. PowerControl – maximum use of limited AC power
The product can supply a huge charging current. This implies heavy loading of the AC mains or generator. Therefore a maximum
current can be set. The product then takes other power users into account, and only uses 'surplus' current for charging purposes.
5.1.8. PowerAssist – Extended use of generator or shore current
This feature takes the principle of PowerControl to a further dimension allowing the product to supplement the capacity of the
alternative source. Where peak power is often required only for a limited period, the product 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.
5.1.9. Programmable
All settings can be changed with a PC and free of charge software, downloadable from our website www.victronenergy.com. See
this manual for more information - https://docs.victronenergy.com/veconfigure.html
5.1.10. Programmable relay
The product is equipped with a programmable relay. The relay can be programmed for different applications, for example as
a starter relay for a generator.
5.1.11. External current transformer (option)
External current transformer option to implement PowerControl and PowerAssist with external current sensing
5.1.12. Programmable analog/digital input/output ports (Aux in 1 and Aux in 2, see appendix)
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.
5.2. Features specific on-grid and off-grid systems combined with PV
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5.2.1. 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 A. Contact your Victron Distributor for further information
about this installation type
5.2.2. Frequency shift
When solar inverters are connected to the AC-output of the product, 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 product will slightly increase the AC frequency to reduce the output of the solar inverter.
5.2.3. Built-in Battery Monitor
The ideal solution when the product 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.
5.2.4. 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, refriger-
ators, 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 the product and batteries, this problem can be solved: the product can
replace the grid during a power failure. When the sustainable energy sources produce more power than needed, the product
will use the surplus to charge the batteries; in the event of a shortfall, the product will supply additional power from the battery.
5.3. Battery charger
5.3.1. 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.
5.3.2. Li-ion batteries
Victron LiFePO4 Smart batteries
Use the VE.Bus BMS
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5.3.3. Other Li-ion batteries
Please see https://www.victronenergy.com/live/battery_compatibility:start
5.3.4. 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: www.victronenergy.com/support-and-downloads/whitepapers.
For more information on adaptive charging, please also refer to the General Technical Information on our website.
5.4. ESS – Energy Storage Systems: feeding energy back into the grid
When the product is used in a configuration in which it will feed back energy into the grid it is required to enable grid code compli-
ance 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. Contact your Vic-
tron Distributor if you require this password.
Depending on the grid code there are several reactive Power control modes:
• Fixed cos φ
• Cos φ as function of P
• Fixed Q
• Q as function of input voltage
If the local grid code is not supported by the product an external certified interface device should be used to connect the product
to the grid.
The product 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. Certification and CEC approval for off-grid use does NOT imply approval for grid-interactive installations. Additional certifica-
tion 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 product 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.
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