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MultiPlus Compact
12 | 2000 | 80-30 230V
24 | 2000 | 50-30 230V
Copyrights © 2008 Victron Energy B.V.
All Rights Reserved
This publication or parts thereof may not be reproduced in any form, by any method, for
any purpose.
For conditions of use and permission to use this manual for publication in other than the
English language, contact Victron Energy B.V.
VICTRON ENERGY B.V. MAKES NO WARRANTY, EITHER EXPRESSED OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, REGARDING
THESE VICTRON ENERGY PRODUCTS AND MAKES SUCH VICTRON ENERGY
PRODUCTS AVAILABLE SOLELY ON AN “AS IS” BASIS.
IN NO EVENT SHALL VICTRON ENERGY B.V. BE LIABLE TO ANYONE FOR
SPECIAL, COLLATERAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IN
CONNECTION WITH OR ARISING OUT OF PURCHASE OR USE OF THESE
VICTRON ENERGY PRODUCTS. THE SOLE AND EXCLUSIVE LIABILITY TO
VICTRON ENERGY B.V., REGARDLESS OF THE FORM OF ACTION, SHALL NOT
EXCEED THE PURCHASE PRICE OF THE VICTRON ENERGY PRODUCTS
DESCRIBED HERE IN.
Victron Energy B.V. reserves the right to revise and improve its products as it sees fit.
This publication describes the state of this product at the time of its publication and may
not reflect the product at all times in the future
1. SAFETY INSTRUCTIONS
General
Please familiarize yourself with the safety features and instructions by first
reading the documentation supplied with this product before using the equipment.
This product has been designed and tested in accordance with international
standards. The equipment must be used exclusively for the purpose for which it
was designed.
WARNING: ELECTRIC SHOCK HAZARD.
The product is used in conjunction with a permanent energy source (battery).
Input and/or output terminals may still be dangerously energized, even when the
equipment is switched off. Always switch off the AC supply and the battery before
carrying out maintenance or servicing the product.
The product has no internal user-serviceable components. Do not remove the
front plate or operate the product if any panels have been removed. All servicing
must be undertaken by qualified personnel.
Never use the product where there is a risk of gas or dust explosions. Consult the
battery manufacturer's information to ascertain that the product is intended for
use in conjunction with the battery. Always comply with the battery
manufacturer's safety instructions.
WARNING: Do not lift heavy loads without assistance.
Installation
Read the installation instructions in the installation manual before installing the equipment.
This is a Safety Class | product (supplied with a protective grounding terminal).
Uninterruptible protective grounding must be provided at the AC input and/or output
terminals. Alternatively the grounding point located externally on the product may be
used. Whenever it is likely that the grounding protection has been damaged, the product
must be turned off and secured against unintended operation; please contact qualified
service staff.
Ensure that the DC and AC input cables are fused and fitted with circuit breakers. Never
replace a safety component with a different Typ. Consult the manual to determine the correct
component.
Before applying power, ensure that the available power source matches the configuration
settings of the product as described in the manual.
Ensure that the equipment is used under the correct ambient conditions. Never operate the
product in a wet or dusty environment. Ensure there is adequate free space for ventilation
around the product and check that the ventilation vents are not blocked.
Ensure that the required system voltage does not exceed the product's capacity.
Transport and Storage
Ensure that the mains power and battery leads have been disconnected before storing or
transporting the product.
No liability can be accepted for any transport damage if the equipment is shipped in non-
original packaging.
Store the product in a dry environment; the storage temperature must be between -20°C and
60°C.
Consult the battery manufacturer's manual in respect of transport, storage, charging,
recharging and disposal of the battery.
2. DESCRIPTION
2.1 General
Multi Compact -functional
The MultiPlus Compact gets its name from the multiple functions it can perform. It
is a powerful true sine wave inverter, a sophisticated battery charger that features
adaptive charge technology and a high-speed AC transfer switch in a single
compact enclosure. Beside these primary functions, however, the MultiPlus
Compact has several advanced features that provide a range of new applications
as outlined below.
Uninterrupted AC power
In the event of a grid failure, or shore or generator power being disconnected, the
inverter within the Multi Compact is automatically activated and takes over supply
to the connected loads. This happens so fast (less than 20 milliseconds) that
computers and other electronic equipment will continue to operate without
disruption.
PowerControl — Dealing with limited generator or shore side power
With a Phoenix Multi Control Panel a maximum generator or shore current can be
set. The Multi Compact will then take account of other AC loads and use
whatever is extra for charging, thus preventing the generator or shore supply
from being overloaded.
PowerAssist — Boosting the capacity of shore or generator power
This feature takes the principle of PowerControl to a further dimension allowing the
MultiPlus Compact to supplement the capacity of the alternative source. Where peak
power is so often required only for a limited period, it is possible to reduce the size of
generator needed or conversely enable more to be achieved from the typically limited
shore connection. When the load reduces, the spare power is used to recharge the
battery.
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.
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.
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 not within specifacations, the inverter will
switch on.
When the switch is switched to "charger only”, only the battery charger of the
Phoenix 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 a 3-way switch or with a Multi Control panel.
The Multi Control panel has a simple rotary knob with which the maximum current
of the AC input can be set: see PowerControl and PowerAssist in Section 2.
For the appropriate DIP switch settings, see sect. 5.5.1.
3.3 Equalisation and forced absorption
3.3.1 Equalisation
Traction batteries may require regular equalisation charging. In the equalisation mode,
the MultiPlus will charge with increased voltage for one hour (1V above the absorption
voltage for a 12V battery, 2V for a 24V battery). The charging current is then limited to
1/4 of the set value. The “bulk™ and “absorption” LEDs flash intermittently.
Equalisation mode supplies a higher charging voltage than most DC
consuming devices can cope with. These devices must be disconnected
before additional charging takes place.
3.3.2 Forced absorption
Under certain circumstances, it can be desirable to charge the battery for a fixed time
at absorption voltage level. In Forced Absorption mode, the MultiPlus will charge at the
normal absorption voltage level during the set maximum absorption time. The “absorption”
LED will be ‘on’.
3.3.3 Activating equalisation or forced absorption
The MultiPlus can be put into both these states from the remote panel as well as with the
front panel switch, provided that all switches (front, remote and panel) are set to “on” and no
switches are set to “charger only”.
In order to put the MultiPlus in this state, the procedure below should be followed.
If the switch is not in the required position after following this procedure, it can be switched
over quickly once. This will not change the charging state.
NOTE: Switching from “on” to “charger only” and vice versa, as described below, must be done quickly.
The switch must be toggled such that the intermediate position is ‘skipped’, as it were. If the switch
remains in the “off” position even for a short time, the device may be turned off. In that case, the
procedure must be restarted at step 1. A certain degree of familiarisation is required when using the front
switch on the Compact in particular. When using the remote panel, this is less critical.
Procedure:
1. Check whether all switches (i.e. front switch, remote switch or remote panel switch if present)
are in the “on” position.
2. Activating equalisation or forced absorption is only meaningful if the normal charging cycle is
completed (charger is in 'Float').
3. To activate:
a. Switch rapidly from “on” to “charger only” and leave the switch in this position for % to 2
seconds.
b. Switch rapidly back from “charger only” to “on” and leave the switch in this position for % to
2 seconds.
c. Switch once more rapidly from “on” to “charger only” and leave the switch in this position.
4. On the MultiPlus the three LEDs “Inverter”, “Charger” and “Alarm” will now flash 5 times.
If a MultiControl panel is connected, on the panel the LEDs “bulk”, “absorption” and “float” will
also flash 5 times.
5. Subsequently, on the MultiPlus the LEDs “Bulk”, “Absorption” and “Float” will each light during
2 seconds.
If a MultiControl panel is connected, on the panel the LEDs “bulk”, “absorption” and “float” will
also each light during 2 seconds.
6. a. If the switch on the MultiPlus is set to “on” while the “Bulk” LED lights, the charger will switch
to equalisation.
Similarly, if the switch on the MultiControl panel is set to “on” while the “Bulk” LED lights, the
charger will switch to equalisation.
b. If the switch on the MultiPlus is set to “on” while the “Absorption” LED lights, the charger will
switch to forced absorption.
Similarly, if the switch on the MultiControl panel is set to “on” while the “Absorption” LED lights,
the charger will switch to forced absorption.
c. If the switch on the MultiPlus is set to “on” after the three LED sequence has finished, the
charger will switch to “Float”.
Similarly, if the switch on the MultiControl panel is set to “on” after the three LED sequence
has finished, the charger will switch to “float”.
d. If the switch is has not been moved, the MultiPlus will remain in ‘charger only’ mode and
switch to “Float”.
3.4 LED Indications
O LED off
ZE LED flashes
@ LED illuminated
Inverter
inverter ©
on
The inverter is switched on and
charger О I supplies power to the load. Battery
off operation.
alarm O
charger only
. The inverter is switched on and supplies
Inverter o on power to the load.
charger O off Pre alarm: overload, or
alarm + battery voltage low, or
charger only inverter temperature high
The inverter is switched off.
inverter o on Alarm: overload, or
charger O IN battery voltage low, or
В off inverter temperature hig, or
alarm e DC ripple voltage on battery
charger only | terminal was too high.
Charger
inverter O
on The AC input voltage is switched through
charger o off and the charger operates in bulk or
alarm О absorption mode.
charger only
inverter on The AC input voltage is switched through
charger e a and the charger is switched off.
off The battery charger can not reach battery
alarm o end voltage (bulk protection mode).
charger only
inverter O
on The AC input voltage is switched through
charger o off and the charger operates in bulk or
alarm O absorption mode.
charger only
inverter O on
charger Y The AC input voltage is switched through
off and the charger operates in float mode.
alarm O
charger only
Remote Control panel (optional)
Power Control and PowerAssist indication
inverteron 3% O mains on
overload O O bulk
low battery O О absorption
temperature O O float
on @ charger only
off
Note: When the LED's “overload” and “low battery” are on simultaneously, the Multi(Plus) or
Inverter Compact has switched off due to excessive DC ripple voltage.
4. INSTALLATION
/ 1 \ This product should be installed by a qualified electrician.
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.
Excessively high ambient temperature will result in the following:
Reduced service life.
Reduced charging current.
Reduced peak capacity, or shutdown of the inverter.
Never mount the appliance directly above the batteries.
The product is suitable for wall mounting. For mounting see appendix A.
The appliance can be mounted horizontally as well as vertically; vertical mounting
is preferable. The vertical position offers optimum cooling.
/N The interior of the product must remain accessible after installation.
Try and keep the distance between the product and the battery to a minimum in
order to minimize cable voltage losses.
For safety purposes, this product should be installed in a heat-resistant
environment if it is used with equipment where a substantial amount of
power is to be converted. You should prevent the presence of e.g.
chemicals, synthetic components, curtains or other textiles, etc., in the
immediate vicinity.
4.2 Connection of Battery cables
In order to fully utilize the full capacity of the product, batteries with sufficient capacity and
battery cables with sufficient cross section should be used. See table.
24/2000 12/2000
Recommended
cross section (mm?)
24/2000 12/2000
Recommended
battery capacity (Ah) 200-500 | 350 — 1000
Remark: Internal resistance is the important factor when working with low capacity batteries.
Please consult your supplier or the relevant sections of our book “electricity on board”,
downloadable from our website.
Procedure
Proceed as follows to connect the battery cables:
Use an insulated box spanner in order to avoid shorting the battery.
Avoid shorting the battery cables.
Connect the battery cables: the + (red) on the left and the - (black) on the right, to the
battery see appendix A.
Reverse polarity connection (+ to — and — to +) will cause damage to the product. (Safety
fuse inside the Multi Compact can be damaged)
Secure the nuts tightly in order to reduce the contact resistance as much as possible.
10
4.3 Connection of the AC cabling
This is a Safety Class | 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
— In a fixed installation, an uninterruptable grounding can be
closes. This ensures the correct operation of an earth leakage circuit
N breaker that is connected to the output.
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.
The mains -input & output terminal connector can be found on the bottom of the Multi
Compact, see appendix A.
AC-in
The AC input must be protected by a fuse or magnetic circuit breaker rated
at 30A 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
With its PowerAssist feature the Multi 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 30A this means that the output can supply up to 30 + 9 = 39A.
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. The maximum rating of the fuse or circuit
breaker is 40A.
11
4.4 Optional Connections
A number of optional connections are possible:
Undo the four screws at the front of the enclosure and remove the front panel.
4.4.1 Second Battery
The MultiPlus Compact has a connection (+) for charging a starter battery. For connection
see appendix A.
4.4.2 Temperature Sensor
The temperature sensor supplied with the product may be used for temperature-
compensated charging. The sensor is insulated and must be mounted on the batteries minus
pole. Default output voltages for Float and Absorption are at 25°C. In adjust mode
temperature compensation is disabled.
15.0 30
14.5 29
14.0 28
13.5 27
13.0 26
25 Volts
24
23
22
21
20
Volts 12.5
12.0
11.5
11.0
10.5
10.0
O 5 10 15 20 25 30 35 40 45 50 55 60
Battery temperature
4.4.3 Remote Control panel & remote on/off switch
The product can be remotely controlled in two ways:
- With an external 3-way switch
- With a Multi Control Panel
Please see section 5.5.1. for appropriate DIP switch settings.
4.4.4. Programmable relay
The MultiPlus is equipped with a multi-functional relay that by default is programmed as an
alarm relay. The relay can be programmed for all kinds of other applications however, for
example to start a generator (VEConfigure software needed).
Near the connection terminals an LED illuminates when the relay is activated (refer to S, see
appendix A).
12
4.4.5 Parallel Connection
The MultiPlus can be connected in parallel with several identical devices. To this
end, a connection is established between the devices by means of standard
RJ45 UTP cables. The system (one or more Multis plus optional control panel)
will require subsequent configuration (see Section 5).
In the event of connecting MultiPlus units in parallel, the following requirements
must be met:
A maximum of six units connected in parallel.
Only identical devices may be connected in parallel.
The DC connection cables to the devices must be of equal length and cross-section.
If a positive and a negative DC distribution point is used, the cross-section of the
connection between the batteries and the DC distribution point must at least equal the
sum of the required cross-sections of the connections between the distribution point
and the MultiPlus units.
Place the MultiPlus units close to each other, but allow at least 10 cm for ventilation
purposes under, above and beside the units.
UTP cables must be connected directly from one unit to the other (and to the remote
panel). Connection/splitter boxes are not permitted.
A battery-temperature sensor need only be connected to one unit in the system. If the
temperature of several batteries is to be measured, you can also connect the sensors
of other MultiPlus units in the system (with a maximum of one sensor per MultiPlus).
Temperature compensation during battery charging responds to the sensor indicating
the highest temperature.
Voltage sensing must be connected to the master (see Section 5.5.1.4).
If more than three units are connected in parallel in one system, a dongle is required
(see Section 5).
Only one remote control means (panel or switch) can be connected to the system.
4.4.6 Three-phase operation
The MultiPlus can also be used in 3-phase 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 (Multis plus an optional control panel) will require
subsequently configuration (see Section 5).
Pre-requisites: see Section 4.4.6.
13
5. CONFIGURATION
Settings may only be changed by a qualified engineer
Carefully read the instructions before changes are made.
Batteries should be placed in a dry and well-ventilated area during charging.
5.1 Standard settings: ready for use
On delivery, the MultiPlus is set to standard factory values. In general, these settings are
suitable for single-unit operation.
Warning: Possibly, the standard battery charging voltage is not suitable for your
batteries. Refer to the manufacturer's documentation, or to your battery supplier.
Standard MultiPlus factory settings
Inverter frequency
Input frequency range
Input voltage range
Inverter voltage
Stand-alone / parallel / 3-phase
Search mode
Ground relay
Charger on/ off
Battery charge curve
Charge current
Battery type
Automatic equalisation charging
Absorption voltage
Absorption time
Float voltage
Storage voltage
Repeated absorption time
Absorption repeat interval
Bulk protection
AC input current limit
UPS feature
Dynamic current limiter
WeakAC
BoostFactor
Multi-functional relay
PowerAssist
14
50 Hz
45 - 65 Hz
180 - 265 VAC
230 VAC
stand-alone
off
on
on
four-stage adaptive with BatterySafe mode
75% of the maximum charge current
Victron Gel Deep Discharge (also suitable for Victron AGM
Deep Discharge)
off
14.4 / 28.8v
up to 8 hours (depending on bulk time)
13.8 / 27.6\/
13.2 / 26.4V (not adjustable)
1 hour
7 days
on
16A (= adjustable current limit for PowerControl and
PowerAssist functions)
on
off
off
2
alarm function
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: 50Hz; 60Hz
Input frequency range
Input frequency range accepted by the MultiPlus. The MultiPlus synchronises
within this range with the AC input frequency. The output frequency is then equal
to the input frequency.
Adjustability: 45 — 65 Hz; 45 — 55 Hz; 55 — 65 Hz
Input voltage range
Voltage range accepted by the MultiPlus. The MultiPlus synchronises within this
range with the AC input voltage. The output voltage is then equal to the input
voltage.
Adjustability:
Lower limit: 180 - 230V
Upper limit: 230 - 270V
Inverter voltage
Output voltage of the MultiPlus in battery operation.
Adjustability: 210 — 245V
Stand-alone / parallel operation / 2-3 phase setting
Using several devices, it is possible to:
increase total inverter power (several devices in parallel)
create a split-phase system
create a 3-phase system.
The standard product settings are for standalone operation. For parallel, three phase
or split phase operation see section 4.6.6 and 4.6.7.
Search Mode (Applicable in stand-alone configuration only)
If search mode is ‘on’, the power consumption in no-load operation is decreased by
approx. 70%. In this mode the Compact, when operating in inverter mode, is switched
off in case of no load or very low load, and switches on every two seconds for a short
period. If the output current exceeds a set level, the inverter will continue to operate. If
not, the inverter will shut down again.
The Search Mode can be set with a DIP switch.
The Search Mode “shut down” and “remain on” load levels can be set with VEConfigure.
The standard settings are:
Shut down: 40 Watt (linear load)
Turn on: 100 Watt (linear load)
15
AES (Automatic Economy Switch)
Instead of the search mode, the AES can also be chosen (with help of VEConfigure only).
If this setting is turned ‘on’, the power consumption in no-load operation and with low loads is
decreased by approx. 20%, by slightly 'narrowing' the sinusoidal voltage. Not adjustable with
DIP switches. Applicable in stand-alone configuration only.
Ground relay (see appendix B)
With this relay (H), the neutral conductor of the AC output is grounded to the chassis when
the back feed safety relay is open. This ensures the correct operation of earth leakage circuit
breakers in the output.
If a non-grounded output is required during inverter operation, this function must be turned
off. (See also Section 4.5)
Not adjustable with DIP switches.
Battery charge curve
The standard setting is ‘Four-stage adaptive with BatterySafe mode’. See Section 2 for a
description.
This is the recommended charge curve. See the help files in the software configuration
programs for other features.
Battery type
The standard setting is the most suitable for Victron Gel Deep Discharge, Gel Exide A200,
and tubular plate stationary batteries (OPzS). This setting can also be used for many other
batteries: e.g. Victron AGM Deep Discharge and other AGM batteries, and many types of
flat-plate open batteries. Four charging voltages can be set with DIP switches.
Automatic equalisation charging
This setting is intended for tubular plate traction batteries. During absorption the voltage limit
increases to 2,83V/cell (34V for a 24V battery) once the charge current has tapered down to
less than 10% of the set maximum current.
Not adjustable with DIP switches.
See tubular plate traction battery charge curve’ in VEConfigure.
Absorption time
The absortion time depends on the bulk time (adaptive charge curve), so that the battery is
optimally charged. If the fixed’ charging characteristic is selected, the absorption time is
fixed. For most batteries, a maximum absorption time of eight hours is suitable. If an extra
high absorption voltage is selected for rapid charging (only possible for open, flooded
batteries!), four hours is preferable. With DIP switches, a time of eight or four hours can be
set. For the adaptive charge curve, this determines the maximum absorption time.
Storage voltage, Repeated Absorption Time, Absorption Repeat Interval
See Section 2. Not adjustable with DIP switches.
16
Bulk Protection
When this setting is ‘on’, the bulk charging time is limited to 10 hours. A longer
charging time could indicate a system error (e.g. a battery cell short-circuit). Not
adjustable with DIP switches.
AC input current limit
These are the current limit settings at which PowerControl and PowerAssist come
into operation. The factory setting is 16A.
See Section 2, the book 'Energy Unlimited’, or the many descriptions of this
unique feature on our website www.victronenergy.com .
Remark: lowest allowable current setting for PowerAssist: 2,7A.
(2,7A per unit in case of parallel operation)
UPS feature
If this setting is ‘on’ and AC on the input fails, the MultiPlus switches to inverter
operation practically without interruption. The MultiPlus can therefore be used as
an Uninterruptible Power Supply (UPS) for sensitive equipment such as
computers or communication systems.
The output voltage of some small generator sets is too unstable and distorted for
using this setting* — the MultiPlus would continually switch to inverter operation.
For this reason, the setting can be turned off. The MultiPlus will then respond less
quickly to AC input voltage deviations. The switchover time to inverter operation
is consequently slightly longer, but most equipment (most computers, clocks or
household equipment) is not adversely impacted.
Recommendation: Turn the UPS feature off if the MultiPlus fails to synchronise, or
continually switches back to inverter operation.
*In general, the UPS setting can be left ‘on’ if the MultiPlus is connected to a generator
with a ‘synchronous AVR regulated alternator’.
The UPS mode may have to be set to ‘off if the MultiPlus is connected to a generator
with a ‘synchronous capacitor regulated alternator’ or an asynchronous alternator.
Dynamic current limiter
Intended for generators, the AC voltage being generated by means of a static inverter
(so-called ‘inverter’ generators). In these generators, rpm is down-controlled if the load
is low: this reduces noise, fuel consumption and pollution. A disadvantage is that the
output voltage will drop severely or even completely fail in the event of a sudden load
increase. More load can only be supplied after the engine is up to speed.
If this setting is ‘on’, the MultiPlus will start supplying extra power at a low generator
output level and gradually allow the generator to supply more, until the set current limit
is reached. This allows the generator engine to get up to speed.
This setting is also often used for ‘classic’ generators that respond slowly to sudden
load variation.
17
WeakAC
Strong distortion of the input voltage can result in the charger hardly operating or not
operating at all. If WeakAC is set, the charger will also accept a strongly distorted voltage, at
the cost of greater distortion of the input current.
Recommendation: Turn WeakAC on if the charger is hardly charging or not charging at all
(which is quite rare!l). Also turn on the dynamic current limiter simultaneously, and reduce the
maximum charging current to prevent overloading the generator if necessary.
Not adjustable with DIP switches.
BoostFactor
Change this setting only after consulting with Victron Energy or with an engineer trained by
Victron Energy!
Not adjustable with DIP switches.
Programmable relay
By default, the multi-functional relay is set as an alarm relay, i.e. the relay will de-energise in
the event of an alarm or a pre-alarm (inverter almost too hot, ripple on the input almost too
high, battery voltage almost too low).
Not adjustable with DIP switches.
Near the connection terminals an LED illuminates when the relay is activated (refer to S, see
appendix A).
18
5.3 Configuration by computer
All settings can be changed by means of a computer or with a VE.Net panel
(except for the multi-functional relay and the VirtualSwitch when using VE.Net).
Some settings can be changed with DIP switches (see Section 5.2).
For changing settings with the computer, the following is required:
e VEConfigurell software: can be downloaded free of charge at
www.victronenergy.com.
e A RJ45 UTP cable and the MK2.2b RS485-to-RS232 interface. If the
computer has no RS232 connection, but does have USB, a RS232-to-USB
interface cable is needed. Both are available from Victron Energy.
5.3.1 VE.Bus Quick Configure Setup
VE.Bus Quick Configure Setup is a software program with which one Compact
unit or systems with a maximum of three Compact units (parallel or three phase
operation) can be configured in a simple manner. VEConfigurell forms part of this
program.
The software free can be downloaded free of charge at www.victronenergy.com.
For connection to the computer, a RJ45 UTP cable and the MK2.2b RS485-to-
RS232 interface is required.
If the computer has no RS232 connection, but does have USB, a RS232-to-USB
interface cable is needed. Both are available from Victron Energy.
5.3.2 VE.Bus System Configurator and dongle
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 . VEConfigurell forms part of
this program.
The system can be configured without a dongle, and will be fully functional during 15
minutes (as a demonstration facility). For permanent use, a dongle — available at
additional charge — is required.
For connection to the computer, a RJ45 UTP cable and the MK2.2b RS485-to-RS232
interface is required.
If the computer has no RS232 connection, but does have USB, a RS232-to-USB
interface cable is needed. Both are available from Victron Energy.
5.4 Configuration with a VE.Net panel
To this end, a VE.Net panel and the VE.Net to VE.Bus converter are required.
With VE.Net you can set all parameters, with the exception of the multi-functional relay
and the VirtualSwitch.
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5.5 Configuration with DIP switches
Some settings can be changed with DIP switches
Procedure:
a) Turn the Compact on, preferably without load and without AC voltage on the inputs. The
Compact will then operate in inverter mode.
b) Set the dipswitches as required.
c) Store the settings by moving Dip switch 8 to “on” and back to “off”.
5.5.1. DIP switch 1 and 2
Default setting: to operate the product with the “On/Off/Charger Only” switch
ds 1: “off”
ds 2: “on”
The default setting is required when using the “On/Off/Charger Only” switch in the front
panel.
Setting for remote operation with a Multi Control Panel:
ds 1: “on”
ds 2: “off”
This setting is required when a Multi Control Panel is connected.
The Multi Control panel must be connected to one of the two RJ48 sockets B, see appendix
A.
Setting for remote operation with a 3-way switch:
ds 1: “off”
ds 2: “off”
This setting is required when a 3-way switch is connected.
The 3-way switch must be wired to terminal L, see appendix A.
Only one remote control can be connected, i.e. either a switch or a remote control
panel.
In both cases the switch on the product itself should be “on”.
5.5.2. DIP switch 3 to 7
These DIP switches can be used to set:
- Battery charge voltage and Absorption time
- Inverter frequency
- Search mode
- AC input current limit 16A or 30A
20
ds3-ds4: Setting charge voltages
. Absorption
ds3-ds4 olerption Flos e ee ge Time Suitable for
9 9 9 (hours)
ds3=off Gel Victron Deep
= 14.4 13.8 13.2 Discharge
d > of 28.8 27.6 26.4 8 Gel Exide A200
(default) | 575 55.2 52.8 AGM Victron Deep
Discharge
Gel Victron Long
dS3=on | 14.1 13.8 13.2 Life (OPzV)
dS4=off 28.2 27.6 26.4 8 Gel Exide A600
56.4 55.2 52.8 (OPZV)
Gel MK battery
AGM Victron Deep
dS3-off 14.7 13.8 13.2 Tubular plate or
dS4=on a o E > OPzS batteries in
semi-float mode
AGM spiral cell
dS3=on | 150 13.8 13.2 Tubular plate or
dS4=on 30.0 27.6 26.4 6 OPZS batteries in
60.0 55.2 52.8 cyclic mode
Batteries with high antimony content can typically be charged with a lower absorption
voltage than batteries with low antimony content. (Please refer to our book “Electricity
on Board” downloadable from our website www.victronenergy.com for details and
suggestions about charging batteries). Contact your battery supplier for the correct
charge voltages and change (with VE-configure) the voltage settings if required.
The default charge current setting is 75% of the maximum charge current. This current
will be too high for most applications.
For most battery types the optimal charge current is 0.1-0.2x the battery capacity.
ds5: Inverter frequency off = 50Hz on = 60Hz
ds6: Search Mode off = off on = on
ds7: AC input current limit off = 16 Amp on = 30 Amp
Store the settings by moving Dip switch 8 to “on” and back to “off”.
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5.5.3 Exemplary settings
Example 1 is the factory setting
ds-1 ds-1 ds-1 оп
ds-2 Panel option ~~ on ||| ds-2 on ds-2
ds-3 Ch. voltage ds-3 ds-3 on
ds-4 Ch. voltage ds-4 on ds-4 on
ds-5 Frequency ds-5 ds-5 on
ds-6 Search mode ds-6 ds-6 on
ds-7 AC-in Limit ds-7 on ds-7
ds-8 Store setting ds-8 ds-8
Example 1: (factory setting) Example 2 Example 3
1 No panel or remote 1 No panel or remote | 1 Panel or remote
switch connected switch connected switch connected
2 No panel or remote 2 No panel or remote |? Panel or remote
switch connected switch connected switch connected
3,4 GEL 14.4 V 3,4 AGM 14,7V 3,4 Tubular plate 15V
5 Frequency: 50Hz 5 Frequency: 50Hz 5 Frequency: 60Hz
6 Search mode off 6 Search mode off 6 Search mode on
7 AC-in Limit 16 Amp 7 AC-in Limit 30 Amp | 7 AC-in Limit 16 Amp
8 store setting: off—> on— off 8 store setting: off—> on— off 8 store setting: off—> on— off
Store the settings (ds-3 to ds-7) by changing switch ds-8 from ‘off’ to ‘on’, and then back to
off.
The LED's ‘charger’ and ‘alarm’ will flash to indicate acceptance of the settings.
6 Maintenance
The Compact 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.
22
7. TROUBLE SHOOTING TABLE
Proceed as follows for quick detection of common faults.
DC loads must be disconnected from the batteries and the AC loads must be
disconnected from the inverter before the inverter and/ or battery charger is
tested.
Consult your Victron Energy dealer if the fault cannot be resolved.
Problem
Cause
Solution
The inverter fails
to operate when
The battery voltage is too
high or too low.
Ensure that the battery
voltage is within the correct
switched on. value.
The inverter fails Processor in no function- Disconnect mains voltage.
to operate mode. Switch Front switch off,
wait 4 seconds
Switch front switch on.
The alarm LED
flashes.
Pre-alarm alt. 1. The DC
input voltage is low.
Charge the battery or
check the battery
connections.
The alarm LED
flashes
Pre-alarm alt. 2. The
ambient temperature is too
high.
Place the inverter in a cool
and well-ventilated room,
or reduce the load.
The alarm LED
flashes.
Pre-alarm alt. 3. The load
on the inverter is higher
than the nominal load.
Reduce the load.
The alarm LED
flashes.
Pre-alarm alt. 4. Voltage
ripple on the DC input
exceeds 1.25Vrms.
Check the battery cables
and terminals.
Check the battery capacity;
increase if necessary.
The alarm LED
flashes
intermittantly.
Pre-alarm alt. 5. Low
battery voltage and
excessive load.
Charge the batteries,
reduce the load or install
batteries with a higher
capacity. Use shorter
and/or thicker battery
cables.
The alarm LED is
on
The inverter did cut out
following a pre-alarm.
Check the table for the
appropriate course of
action.
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Problem Cause Solution
The charger is not [The AC input voltage or frequency |Ensure that the input voltage is
functioning is out of range. between 185 Vac and 265 Vac,
and that the frequency matches
the setting.
The thermal circuit breaker has
tripped.
Reset the 30 A thermal circuit
breaker.
The battery is not
being charged fully.
Incorrect charging current.
Set the charging current at
between 0.1 and 0.2x battery
capacity.
A defective battery connection.
Check the battery terminals.
The absorption voltage has been
set to an incorrect value.
Adjust the absorption voltage to
the correct value.
The float voltage has been set to
an incorrect value.
Adjust the float voltage to the
correct value.
The internal DC fuse is defective.
Inverter is damaged.
The battery is
The absorption voltage has been
Adjust the absorption voltage to
current drops to O
when the absorption
voltage is reached
(> 50%C)
overcharged. set to an incorrect value. the correct value.
The float voltage has been set to |Adjust the float voltage to the
an incorrect value. correct value.
A defective battery. Replace the battery.
The battery is too small. Reduce the charging current or
use a battery with a higher
capacity.
The battery is too hot. Connect a temperature sensor.
Battery charge Alt. 1: Battery overtemperature - Allow battery to cool down
- Place battery in a cool
environment
- Check for shorted cells
Alt 2: Battery temperature sensor
faulty
Unplug battery temperature
sensor from the Multi.
Reset the Multi by switching it off,
then wait for 4 seconds and
switch it on again
If the Multi now charges normally,
the battery temperature sensor is
faulty and needs to be replaced
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8. TECHNICAL DATA
12/2000/80-30 24/2000/50-30
MultiPlus 230V 230V
PowerControl / PowerAssist Yes Yes
Transfer switch (A) 30 30
Minimum PowerAssist current (A) 2,7 2,7
INVERTER
Input voltage range (V DC) 9,5 — 17 19 — 33
Output voltage: 230 VAC + 2%
Output Frequency: 50 Hz + 0,1% (1)
Cont. output power at 25 °C (VA) (5) 2000 2000
Cont. output power at 25 °C (W) 1600 1600
Cont. output power at 40 °C (W) 1450 1450
Peak power (W) 3500 4000
Maximum efficiency (%) 93 94
Zero-load power (W) 10 10
Zero load power in search mode (W) 3 3
CHARGER
Input voltage range: 187-265 VAC
AC Input Input frequency: 45 — 65 Hz Power factor: 1
Charge voltage 'absorption' (V DC) 14,4 / 28,8 28,8
Charge voltage 'float' (V DC) 13,8/27,6 27,6
Storage mode (V DC) 13,2/26,4 26,4
Charge current house battery (A) (4) 80 50
Charge current starter battery (A) 4
Battery temperature sensor yes
GENERAL
Multi purpose relay (6) yes
Protection (2) a-g
Common Characteristics
Operating temp. range: -20 to +50°C (fan assisted
cooling) Humidity (non condensing) : max 95%
ENCLOSURE
Common Characteristics
Material & Colour: aluminium (blue RAL 5012)
Protection category: IP 21
Battery-connection Bolts M8
230 V AC-connection WAGO CAGE CLAMPA® connector 6 mm?, 10 AWG
Weight (kg) 12
Dimensions (hxwxd in mm) 520 x 255 x 125
STANDARDS
Safety EN 60335-1, EN 60335-2-29
Emission / Immunity
EN55014-1, EN 55014-2, EN 61000-3-3
25
1) Can be adjusted to 60Hz and to 240V
2) Protection
a. Output short circuit
b. Overload
c. Battery voltage too high
d. Battery voltage too low
. Temperature too high
230VAC on inverter output
. Input voltage ripple too high
3) Non linear load, crest factor 3:1
4) At 25 °C ambient
5) Multi purpose relay which can be set for general alarm, DC undervoltage or genset start signal function
DO
©
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APPENDIX A: Connection overview
APPENDIX A: Connection overview
A | AC input line L1 and neutral (N)
B | 2x RJ45 connector for remote panel and/or parallel and 3-phase operation.
C | AC output line L1 and neutral (N).
D | AC input circuit breaker
F | M8 battery minus connection.
G | Starter battery positive (TR CHARGE). (starter battery minus: use battery minus
cable for connection).
H | Terminals for (left to right): temperature sensor positive, temperature sensor minus.
| | M8 battery positive connection.
L | Connector for remote switch:
Short right and middle terminal to switch “on”.
Short left and middle terminal to switch to “charger only”.
M | DIP switches for set-up mode.
P | Programmable relay
Terminals for (left to right): Multi-functional relay NO - COM - NC
Q | Cabinet GND terminal
R | PE (ground) terminals
S | Indicator Programmable relay
LED illuminates when relay is activated
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APPENDIX B: Installation information
Installation information
CAC input (shore
Phoenix Multi
Compact chassis
supply)
thermal circuit breaker
|
D input
5 1556
L
Te
D O
>
em
D N E output
F
Ground in — G
and output Backfeed
connected Safety relay
to chassis
? HP
| ОС №:е — |||
NL
hat
J
Bidirectional
converter
Ground relay
(dosed when backfeed
Is open)
I J
HE
Chassis on
input'outpui
ground terminals
should be permanently
connected to ground
To battery
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APPENDIX B: Installation information
NL F D ES
C| Thermische Fusible d;entrée Thermischer Uberstrom- | Fusible de entrada
ingangszekering (thermique) schutzschalter (térmico)
D| Ingang Entrée Netzeingang Entrada
E | Uitgang Sortie Verbracherausgang Salida
F | Aardverbinding naar Liaison a la terre du Verbindung Conexión a tierra de la
behuizing boitier Landstromerde / carcasa
geháuse
G| Veiligheidsrelais (AC Relais de sécurité Rúckstromschutzrelais Relé de segurida
ingang) (antie-retour entrée)
H| Aardrelais (sluit Relais de mise a la terre Erdungsrelais (Kontakt Relé de puesta a tierra
wanneer G opent) (fermé quand G est geschlossen, wenn (cerrado cuando G esta
ouvert) Kontakt des Rúckstrom- abierto)
schutzrelais 6ffnet)
| | DC zekering Fusible DC ANL-Gleichstrom- Fusible CC
sicherung
J | Dubbelwerkende Convertisseur Wandler-Lader Conversor bidireccional
omvormer bidirectionnel verbindung
Behuizing moet Mise a la terre Schutzerdungs- Puesta a tierra
permanent met de aarde
zijn verbonden
permanente du boitier
anschluss am Geháuse,
muss mit dem Chassis
eines Fahrzeugs oder
dem Erdungspunkt
eines Bootes verbunden
sein.
permanente de la
carcasa
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APPENDIX C: Parallel connection
Slave UnA Ci Clare Ue 3 а
Il | | |
Ape ap
— - -8 = =
+ [5 + 6
на не на 5 не
= 5 N = = fl 2 Ч = | il “a |
Bat Bat at + Bat - Eat Bat
ao o END
PE OUT
FEAL IMLA
Ас!
ACIMM
ACOUT MN
AS CUT LY
APPENDIX D: Three-phase connection
Follower L3
|
Рава! ña | | а.
РЕ AC OUT
AG OUT L3
AC OUT L2
AC OUT Li
AC OUT N
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APPENDIX E: Charge curve
120%
100%
80%
Amps 60%
40%
20%
0%
Charge current
Time
Bulk hours
Volts
Charge voltage
64 32
16 Battery Safe
mode
60 30 15
56 28 14 0 x Bulk-hours or
52 26 13
вы /
12
мг VA
11
40 20
10% > < — — — —
Absorption 1 day 7 days Time
4-stage charging:
7 days
reduced float
— «== 1 hour Repeated Absorption
Bulk-mode: Entered when charger is started. Constant current is applied until the gassing voltage is reached (14.4V
resp. 28.8V, temperature compensated).
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, the Multi Compact / MultiPlus Compact will prevent damage due to excessive gassing by
automatically limiting the rate of voltage increase once the gassing voltage has been reached. The Battery Safe Mode is
part of the calculated absorption time.
Absorption-mode: A constant voltage period to fully charge the battery. The absorption time is equal to 20x bulk time
or the set maximum absorption time, whichever comes first.
Float-mode: Float voltage is applied to keep the battery fully charged and to protect it against self-discharge.Reduced
Float: After one day of Float charge a reduced Float charge is applied. This is 13,2V resp. 26,4V (for 12V and 24V
charger). This will limit water loss to a minimum when the battery is stored for the winter season.After an adjustable
time (default = 7 days) the charger will enter Repeated Absorption-mode for an adjustable time (default = 1 hour).
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APPENDIX F: Temperature compensation
15.0
14.5
14.0
13.5
13.0
Volts 12.5
12.0
11.5
11.0
10.5
10.0
Volts
0 5 10 15 20 25 30 35 40 45 50 55 60
Battery temperature
Default output voltages for Float and Absorption are at 25°C.
Reduced Float voltage follows Float voltage and Raised Absorption voltage follows Absorption
voltage.
In adjust mode temperature compensation does not apply.
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255m
Mounting holes
Bevestigings galen
Trous de fixation
Befestigungslóche
& 6mm max.
Dimensions
Afmetingen
Dimensions
Abmessungen
Eh EE su,
Mounting plate
Montageplaat
Plaque de montage
Montageplatte
Victron Energy Blue Power
Distributor:
( N
_ J
Serial number:
Version : 10
Date : 01 June 2015
Victron Energy B.V.
De Paal 35 | 1351 JG Almere
PO Box 50016 | 1305 AA Almere | The Netherlands
General phone : +31 (0)36 535 97 00
Customer support desk . +31 (0)36 535 97 03
Fax +31 (0)36 535 97 40
E-mail . sales Qvictronenergy.com
www.victronenergy.com
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