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2. DESCRIPTION
2.1 In general
The basis of the Quattro is an extremely powerful sine inverter, battery charger and automatic switch in a compact casing.
The Quattro features the following additional, often unique characteristics:
Two AC inputs; integrated switch-over system between shore voltage and generating set
The Quattro features two AC inputs (AC-in-1 and AC-in-2) for connecting two independent voltage sources. For example, two
generator sets, or a mains supply and a generator set. The Quattro automatically selects the input where voltage is present.
If voltage is present on both inputs, the Quattro selects the AC-in-1 input, to which normally the generating set is connected.
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.
Automatic and uninterruptible switching
In the event of a supply failure or when the genset is switched off, the Quattro 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 Quattro highly suitable as an emergency
power system in industrial and telecommunication applications.
Virtually unlimited power thanks to parallel operation
Up to 6 Quattro’s can operate in parallel. Six units 48/10000/140, for example, will provide 54kW / 60kVA output power and 840
Amps charging capacity.
Three phase capability
Three units can be configured for three-phase output. But that’s not all: up to 6 sets of three units can be parallel connected to
provide 162kW / 180kVA inverter power and more than 2500A charging capacity.
PowerControl maximum use of limited shore current
The Quattro can supply a huge charging current. This implies heavy loading of the shore connection or generating set. For both
AC inputs, therefore, a maximum current can be set. The Quattro then takes other power users into account, and only uses
'surplus' current for charging purposes.
- Input AC-in-1, to which usually a generating set is connected, can be set to a fixed maximum with DIP switches, with VE.Net
or with a PC, so that the generating set is never overloaded.
- Input AC-in-2 can also be set to a fixed maximum. In mobile applications (ships, vehicles), however, a variable setting by
means of a Multi Control Panel will usually be selected. In this way the maximum current can be adapted to the available shore
current in an extremely simple manner.
PowerAssist Extended use of your generating set and shore current: the Quattro “co-supply” feature
The Quattro operates in parallel with the generating set or the shore connection. A current shortfall is automatically
compensated: the Quattro draws extra power from the battery and helps along. A current surplus is used to recharge the
battery.
Three programmable relays
The Quattro is equipped with 3 programmable relays. The relays can be programmed for all kinds of other applications
however, for example as a starter relay for a generating set.
Two programmable analog/digital input/output ports
The Quattro 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.
Frequency shift
When solar inverters are connected to the output of a Multi or Quattro, the excess solar energy is used to recharge the
batteries. Once the absorption voltage is reached, the Multi or Quattro will shut down the solar inverter by shifting the output
frequency 1Hz (from 50Hz to 51Hz for example). Once battery voltage has dropped slightly, the frequency returns to normal
and the solar inverters will restart.
Built-in Battery Monitor (optional)
The ideal solution when Multi’s or Quattro’s are 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.
3
EN NL FR DE ES SV IT Appendix
Solar energy
The Quattro is extremely suitable for solar energy applications. It can be used for building autonomous systems as well as
mains-coupled systems.
Emergency power or autonomous operation on mains failure
Houses or buildings provided with solar panels or a combined micro-scale heating and power plant (a power-generating central
heating boiler) 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 in this regard, however, is that mains-coupled solar panels and/or micro-scale heating and power
plants drop out as soon as the mains supply fails. With a Quattro and batteries, this problem can be solved in a simple manner:
the Quattro can replace the mains supply during a power failure. When the sustainable energy sources produce more power
than necessary, the Quattro will use the surplus to charge the batteries; in the event of a shortfall, the Quattro will supply
additional power from its battery energy resources.
Programmable with DIP switches, VE.Net panel or personal computer
The Quattro is supplied ready for use. Three features are available for changing certain settings if desired:
- The most important settings (including parallel operation of up to three devices and 3-phase operation) can be changed in a
very simple manner, using Quattro DIP switches.
- All settings, with exception of the multi-functional relay, can be changed with a VE.Net panel.
- All settings can be changed with a PC and free of charge software, downloadable from our website www.victronenergy.com
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 BatterySafe mode
If, in order to quickly charge a battery, a high charge current in combination with a high absorption voltage has been chosen,
damage due to excessive gassing will be prevented by automatically limiting the rate of voltage increase once the gassing
voltage has been reached.
Less maintenance and aging when the battery is not in use: the Storage mode
The Storage mode kicks in whenever the battery has not been subjected to discharge during 24 hours. In the Storage mode
float voltage is reduced to 2,2V/cell (13,2V for 12V battery) to minimise gassing and corrosion of the positive plates. Once a
week the voltage is raised back to the absorption level to ‘equalize’ the battery. This feature prevents stratification of the
electrolyte and sulphation, a major cause of early battery failure.
Two DC outputs for charging two batteries
The main DC terminal can supply the full output current. The second output, intended for charging a starter battery, is limited to
4A and has a slightly lower output voltage.
Increasing service life of the battery: temperature compensation
The temperature sensor (supplied with the product) serves to reduce charging voltage when battery temperature rises. This is
particularly important for maintenance-free batteries, which could otherwise dry out by overcharging.
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.
More on batteries and charging
Our book ‘Energy Unlimited’ offers further information on batteries and battery charging, and is available free of charge on our
website (see www.victronenergy.com -> Support & Downloads’ -> General Technical Information). For more information on
adaptive charging, please also refer to the General Technical Information our website.
2.3 Self consumption solar energy storage systems
When the Multi/Quattro is used in a configuration in which it will feed back energy to the grid it is required to enable grid code
compliance by selecting the grid code country setting with the VEConfigure tool.
This way the Multi/Quattro can comply to the local rules.
Once set, a password will be required to disable grid code compliance or change grid code related parameters.
If the local grid code is not supported by the Multi/Quattro an external certified interface device should be used to connect the
Multi/Quattro to the grid.
The Multi/Quattro 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, see
http://www.victronenergy.com/live/system_integration:hub4_grid_parallel
Special note for Australian customers: IEC62109.1 certification and CEC approval for off-grid use does NOT imply approval for
grid-interactive installations. Additional certification to IEC 62109.2 and AS 4777.2.2015 are required before grid-interactive
systems can be implemented. Please check Clean Energy Council website for current approvals.
5
EN NL FR DE ES SV IT Appendix
3.4 LED indications and their meaning
LED off
LED flashes
LED lights
Inverter
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 power of the inverter is
exceeded. The “overload” LED
flashes.
mains on
on
inverter on
bulk
overload
off
absorption
low battery
charger
only
float
temperature
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
The battery is almost empty.
mains on
on
inverter on
bulk
overload
off
absorption
low battery
charger
only
float
temperature
charger
inverter
The inverter is
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
8
Special indications
Set with limited input current
charger
inverter
Occurs only if PowerAssist is
disabled.
The AC voltage on AC1-in-1 or
AC-in-2 is switched through. The
AC-input current is equal to the
load current. The charger is down-
controlled to 0A.
mains on
on
inverter on
bulk
overload
off
absorption
low battery
charger
only
float
temperature
Set to supply additional current
charger
inverter
The AC voltage on AC-in-1 or
AC-in-2 is switched through, but the
load demands more current than
the mains can supply. The inverter
is now switched on to supply
additional current.
mains on
on
inverter on
bulk
overload
off
absorption
low battery
charger
only
float
temperature
11
EN NL FR DE ES SV IT Appendix
4.4 Connection options
4.4.1 Starter battery (connection terminal E, see appendix A)
The Quattro has a connection for charging a starter battery. Output current is limited to 4A.
(not available on 48V models)
4.4.2 Voltage sense (connection terminal E, see appendix A)
For compensating possible cable losses during charging, two sense wires can be connected with which the voltage direct on
the battery or on the positive and negative distribution points can be measured. Use at least wire with a cross-section of
0,75mm2.
During battery charging, the Quattro will compensate the voltage drop over the DC cables 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.
4.4.3 Temperature sensor (connection terminal E, 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.
4.4.4 Remote control
The Quattro can be remotely controlled in two ways:
- With an external switch (connection terminal H, see appendix A). Operates only if the switch on the Quattro is set to “on”.
- With a remote control panel (connected to one of the two RJ48 sockets B, see appendix A). Operates only if the switch on the
Quattro is set to “on”.
Using the remote control panel, only the current limit for AC-in-2 can be set (in regard to PowerControl and PowerAssist).
The current limit for AC-in-1 can be set with DIP switches or by means of software.
Only one remote control can be connected, i.e. either a switch or a remote control panel.
4.4.5. Programmable relays (connection terminal I and E (K1 and K2), see appendix A
The Quattro is equipped with 3 programmable relays. The relay that controls terminal I is set as an alarm relay (default setting).
The relays can be programmed for all kinds of other applications, for example to start a generator (VEConfigure software
needed).
4.4.6 Auxiliary AC output (AC-out-2)
Besides the usual uninterruptable output (AC-out-1), a second output (AC-out-2) is available that disconnects its load in the
event of battery operation. Example: an electric boiler or air conditioner that is allowed to operate only if the genset is running or
shore power is available.
In case of battery operation, AC-out-2 is switched off immediately. After the AC supply has become available, AC-out-2 is
reconnected with a delay of 2 minutes, this allow a genset to stabilise prior to connecting a heavy load.
4.4.7 Connecting Quattro’s in parallel (see appendix C)
The Quattro can be connected in parallel with several identical devices. To this end, a connection is established between the
devices by means of standard RJ45 UTP cables. The system (one or more Quattro’s plus optional control panel) will require
subsequent configuration (see Section 5).
In the event of connecting Quattro units in parallel, the following requirements must be met:
- A maximum of 6 units connected in parallel.
- Only identical devices with the same power ratings may be connected in parallel.
- Battery capacity should be sufficient.
- 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 Quattro units.
- Place the Quattro units close to each other, but allow at least 10 cm for ventilation purposes under, above and beside the
units.
- UTP cables must be connected directly from one unit to the other (and to the remote panel). Connection/splitter boxes are not
permitted.
- A battery-temperature sensor need only be connected to one unit in the system. If the temperature of several batteries is to be
measured, you can also connect the sensors of other Quattro units in the system (with a maximum of one sensor per Quattro).
Temperature compensation during battery charging responds to the sensor indicating the highest temperature.
- Voltage sensing must be connected to the master (see Section 5.5.1.4).
- Only one remote control means (panel or switch) can be connected to the system.
4.4.8 Three-phase configuration (see appendix C)
Quattro’s 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 (Quattro’s plus an optional control panel) will
require subsequent configuration (see Section 5).
Pre-requisites: see Section 4.4.7.
Note: the Quattro is not suitable for 3-phase delta (Δ) configuration.
13
EN NL FR DE ES SV IT Appendix
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 (only for Quattro units with 120V output voltage)
- create a 3-phase system.
To this end, the devices must be mutually connected with RJ45 UTP cables. Standard device settings, however, are such that
each device operates in stand-alone operation. Reconfiguration of the devices is therefore required.
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. Not adjustable with DIP switches. Applicable in stand-alone configuration only.
Search Mode
Instead of the AES mode, the search mode can also be chosen (with help of VEConfigure only).
If search mode is ‘on’, the power consumption in no-load operation is decreased by approx. 70%. In this mode the Quattro,
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)
Not adjustable with DIP switches. Applicable in stand-alone configuration only.
Ground relay (see appendix B)
With this relay (E) the neutral conductor of the AC output is grounded to the casing when the back feed safety relays in the AC-
in-1 and the AC-in-2 inputs are open. This ensures the correct operation of earth leakage circuit breakers in the outputs.
- If a non-grounded output is required during inverter operation, this function must be turned off. (See also Section 4.5)
Not adjustable with DIP switches.
- If required an external ground relay can be connected (for a split-phase system with a separate autotransformer).
See appendix A.
Charging characteristics
The standard setting is ‘Four-stage adaptive with BatterySafe mode’. See Section 2 for a description.
This is the best charging characteristic. See the help files in the software configuration programs for other features.
‘Fixed’ mode can be selected with DIP switches.
Battery type
The standard setting is the most suitable for Victron Gel Deep Discharge, Gel Exide A200, and tubular plate stationary batteries
(OPzS). This setting can also be used for many other batteries: e.g. Victron AGM Deep Discharge and other AGM batteries,
and many types of flat-plate open batteries. Four charging voltages can be set with DIP switches.
Automatic equalisation charging
This setting is intended for tubular plate traction batteries. During absorption the voltage limit increases to 2,83V/cell (34V for a
24V battery) once the charge current has tapered down to less than 10% of the set maximum current.
Not adjustable with DIP switches.
See ’tubular plate traction battery charge curve’ in VEConfigure.
Absorption time
This depends on the bulk time (adaptive charging characteristic), so that the battery is optimally charged. If the ‘fixed’ charging
characteristic is selected, the absorption time is fixed. For most batteries, a maximum absorption time of eight hours is suitable.
If an extra high absorption voltage is selected for rapid charging (only possible for open, flooded batteries!), four hours is
preferable. With DIP switches, a time of eight or four hours can be set. For the adaptive charging characteristic, this determines
the maximum absorption time.
Storage voltage, Repeated Absorption Time, Absorption Repeat Interval
See Section 2. Not adjustable with DIP switches.
Bulk Protection
When this setting is ‘on’, the bulk charging time is limited to 10 hours. A longer charging time could indicate a system error (e.g.
a battery cell short-circuit). Not adjustable with DIP switches.
16
5.5 Configuration with DIP switches
Introduction
A number of settings can be changed using DIP switches (see appendix A, position M).
Note: When changing settings with dipswitches in a parallel or split-phase/3-phase system one should be aware that not all
settings are relevant on all Quattros. This because some settings will be dictated by the Master or Leader.
Some settings are only relevant in the Master/Leader (ie they are not relevant in a slave or in a follower). Other settings are not
relevant for slaves but are relevant for followers.
A note on used terminology:
A system in which more than one Quattro is used to create a single AC phase is called a parallel system. In this case one of the
Quattros will control the whole phase, this one is called the master. The others, called slaves, will just listen to the master to
determine their action.
It is also possible to create more AC phases (split-phase or 3-phase) with 2 or 3 Quattros. In this case the Quattro in Phase L1
is called the Leader. The Quattro in phase L2 (and L3 if available) will generate the same AC frequency but will follow L1 with a
fixed phase shift. These Quattros are called followers.
If more Quattros are used per phase in a split-phase or 3-phase system (for instance 6 Quattros used to build a 3-phase
system with 2 Quattros per phase) then the Leader of the system is also the Master of phase L1. The Followers in phase L2
and L3 will also take the Master role in phase L2 and L3. All others will be slaves.
Setting up parallel or split-phase/3-phase systems should be done by software, see paragraph 5.3.
TIP: If you don’t want to bother about a Quattro being a master/slave/follower then the easiest and most straight forward
way is to set all settings identically on all Quattros.
General procedure:
Turn the Quattro on, preferably unloaded en without AC voltage on the inputs. The Quattro will then operate in inverter mode.
Step 1: Set the DIP switches for:
- the required current limitation of the AC input. (not relevant for slaves)
- limitation of the charging current. (only relevant for Master/Leader)
Press the 'Up' button for 2 seconds (upper button to the right of the DIP switches, see appendix A, position K) to store the
settings after the required values have been set. You can now re-use the DIP switches to apply the remaining settings (step 2).
Step 2: other settings, set the dipswitches for:
- Charge voltages (only relevant for Master/Leader)
- Absorption time (only relevant for Master/Leader)
- Adaptive charging (only relevant for Master/Leader)
- Dynamic current limiter (not relevant for slaves)
- UPS function (not relevant for slaves)
- converter voltage (not relevant for slaves)
- converter frequency (only relevant for Master/Leader)
Press the 'Down' button for 2 seconds (lower button to the right of the DIP switches) to store the settings after the dipswitches
have been set in the correct position. You can now leave the DIP switches in the selected positions, so that the ’other settings’
can always be recovered.
Remark:
- The DIP switch functions are described in 'top to bottom' order. Since the uppermost DIP switch has the highest number (8),
descriptions start with the switch numbered 8.
Detailed instruction:
5.5.1 Step 1
5.5.1.1 Current limitation AC inputs (default: AC-in-1: 50A, AC-in-2: 16A)
If the current demand (Quattro load + battery charger) threatens to exceed the set current, the Quattro will first reduce its
charging current (PowerControl), and subsequently supply additional power from the battery (PowerAssist), if needed.
The AC-in-1 current limit (the generator) can be set to eight different values by means of DIP switches.
The AC-in-2 current limit can be set to two different values by means of DIP switches. With a Multi Control Panel, a variable
current limit can be set for the AC-in-2 input.
17
EN NL FR DE ES SV IT Appendix
Procedure
AC-in-1 can be set using DIP switches ds8, ds7 and ds6 (default setting: 50A).
Procedure: set the DIP switches to the required value:
ds8 ds7 ds6
off off off = 6,3A (PowerAssist 11A, PowerControl 6A)
off off on = 10A (PowerAssist 11A, PowerControl 10A)
off on off = 12A (2.8kVA at 230V)
off on on = 16A (3.7kVA at 230V)
on off off = 20A (4.6kVA at 230V)
on off on = 25A (5,7kVA at 230V)
on on off = 30A (6,9kVA at 230V)
on on on = 50A (11,5kVA at 230V)
More than 50A: with VEConfigure software
Remark: Manufacturer-specified continuous power ratings for small generators are sometimes inclined to be rather
optimistic. In that case, the current limit should be set to a much lower value than would otherwise be
required on the basis of manufacturer-specified data.
AC-in-2 can be set in two steps using DIP switch ds5 (default setting: 16A).
Procedure: set ds5 to the required value:
ds5
off = 16A
on = 30A
More than 30A: with VEConfigure software or Digital Multi Control Panel
5.5.1.2 Charge current limitation (default setting 75%)
For maximum battery life, a charge current of 10% to 20% of the capacity in Ah should be applied.
Example: optimal charge current of a 24V/500Ah battery bank: 50A to 100A.
The temperature sensor supplied automatically adjusts the charging voltage to the battery temperature.
If faster charging and a subsequent higher current is required:
- the temperature sensor supplied should be fitted to the battery, since fast charging can lead to a considerable temperature
rise of the battery bank. The charging voltage is adapted to the higher temperature (i.e. lowered) by means of the temperature
sensor.
- the bulk charging time will sometimes be so short that a fixed absorption time would be more satisfactory (‘fixed’ absorption
time, see ds5, step 2).
Procedure
The battery charging current can be set in four steps, using DIP switches ds4 and ds3 (default setting: 75%).
ds4 ds3
off off = 25%
off on = 50%
on off = 75%
on on = 100%
Note: when WeakAC is on, the maximum charge current is reduced from 100% to approximately 80%.
5.5.1.3 DIP switches ds2 and ds1 are not used during step 1.
IMPORTANT NOTE:
If the last 3 digits of the Multi firmware is in the 100 range (so the firmware number is xxxx1xx (with x any numer))
then ds1 & ds2 are used to set a Multi in stand-alone, parallel or three-phase. Please consult the appropriate manual.
20
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.
7.1 General error indications
Problem
Cause
Solution
Quattro 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).
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 185 VAC and 265 VAC, and that
the frequency is within the range set (default setting 45-65Hz).
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 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.
The standard Quattro 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 Quattro. If charging
functions correctly after approximately 1 minute, the temperature
sensor should be replaced.
21
EN NL FR DE ES SV IT Appendix
7.2 Special LED indications
(for the normal LED indications, see section 3.4)
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).
"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.
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.
23
EN NL FR DE ES SV IT Appendix
8. TECHNICAL SPECIFICATION
Quattro
12/5000/220-100/100
24/5000/120-100/100
48/5000/70-100/100
24/8000/200-100/100
48/8000/110-100/100
48/10000/140-
100/100
48/15000/200-
100/100
PowerControl / PowerAssist
Yes
Integrated Transfer switch
Yes
AC inputs (2x)
Input voltage range: 187-265 VAC Input frequency: 45 65 Hz Power factor: 1
Maximum feed through current (A)
2x100
2x100
2x100
2x100
INVERTER
Input voltage range (V DC)
9,5 17V 19 33V 38 66V
Output
(1)
Output voltage: 230 VAC ± 2% Frequency: 50 Hz ± 0,1%
Cont. output power at 25°C (VA)
(3)
5000
8000
10000
15000
Cont. output power at 25°C (W)
4000
6500
8000
12000
Cont. output power at 40°C (W)
3700
5500
6500
10000
Cont. output power at 65°C (W)
3000
3600
4500
7000
Peak power (W)
10000
16000
20000
25000
Maximum efficiency (%)
94 / 94 / 95
94 / 96
96
96
Zero load power (W)
30 / 30 / 35
45 / 50
55
80
Zero load power in AES mode (W)
20 / 25 / 30
30 / 30
35
50
Zero load power in Search mode (W)
10 / 10 / 15
10 / 20
20
30
CHARGER
Charge voltage 'absorption' (V DC)
14,4 / 28,8 / 57,6
28,8 / 57,6
57,6
57,6
Charge voltage 'float' (V DC)
13,8 / 27,6 / 55,2
27,6 / 55,2
55,2
55,2
Storage mode (V DC)
13,2 / 26,4 / 52,8
26,4 / 52,8
52,8
52,8
Charge current house battery (A) (4)
220 / 120 / 70
200 / 110
140
200
Charge current starter battery (A)
4 (12V and 24V models only)
Battery temperature sensor
Yes
GENERAL
Auxiliary output (A) (5)
50
50
50
50
Programmable relay (6)
3x
3x
3x
3x
Protection (2)
a-g
VE.Bus communication port
For parallel and three phase operation, remote monitoring and system integration
General purpose com. port
2x
2x
2x
2x
Remote on-off
Yes
Common Characteristics
Operating temp.: -40 to +65˚C Humidity (non-condensing): max. 95%
ENCLOSURE
Common Characteristics
Material & Colour: aluminium (blue RAL 5012) Protection category: IP 21
Battery-connection
Four M8 bolts (2 plus and 2 minus connections)
230 V AC-connection
Bolts M6
Bolts M6
Bolts M6
Bolts M6
Weight (kg)
34 / 30 / 30
45 / 41
45
72
Dimensions (hxwxd in mm)
470 x 350 x 280
444 x 328 x 240
444 x 328 x 240
470 x 350 x 280 470 x 350 x 280 572 x 488 x 344
STANDARDS
Safety
EN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1
Emission, Immunity
EN 55014-1, EN 55014-2, EN-IEC 61000-3-2, EN-IEC 61000-3-3, EN-IEC 61000-6-3, EN-IEC 61000-6-2, EN-
IEC 61000-6-1
Vehicles, aftermarket
12V and 24V models: EN 50498
Anti-islanding
See our website
1) Can be adjusted to 60 HZ; 120 V 60 Hz
on request
2) Protection key:
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) Switches off when no external AC source available
6) Programmable relay that can a.o. be set for general alarm,
DC under voltage or genset start/stop function
AC rating: 230 V / 4 A
DC rating: 4 A up to 35 VDC, 1 A up to 60 VDC
19


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