Victron energy MultiPlus 12/3000/120 – 50 Manual
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Victron energy MultiPlus 12/3000/120 – 50 Manual

Extremely powerful sine inverter, battery charger and automatic switch in a compact casing
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MultiPlus
12 | 3000 | 120 – 50 | 120V
24 | 3000 | 70 – 50 | 120V

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Summary of Contents for Victron energy MultiPlus 12/3000/120 – 50

  • Page 1 Manual MultiPlus 12 | 3000 | 120 – 50 | 120V 24 | 3000 | 70 – 50 | 120V...
  • Page 3 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...

  • Page 5: Safety Instructions

    1. SAFETY INSTRUCTIONS In general Please read the documentation supplied with this product first, so that you are familiar with the safety signs en directions before using the product. This product is designed and tested in accordance with international standards. The equipment should be used for the designated application only.

  • Page 6: Transport And Storage

    Install the product in a heatproof environment. Ensure therefore that there are no chemicals, plastic parts, curtains or other textiles, etc. in the immediate vicinity of the equipment. Transport and storage On storage or transport of the product, ensure that the mains supply and battery leads are disconnected.
  • Page 7 2. DESCRIPTION 2.1 In general The basis of the MultiPlus is an extremely powerful sine inverter, battery charger and automatic switch in a compact casing. The MultiPlus features the following additional, often unique characteristics: Automatic and uninterruptible switching In the event of a supply failure or when the generating set is switched off, the MultiPlus will switch over to inverter operation and take over the supply of the connected devices.

  • Page 8: Battery Charger

    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. Programmable with DIP switches, VE.Net panel or personal computer The MultiPlus is supplied ready for use.
  • Page 9 Learn more about batteries and battery charging To learn more about batteries and charging batteries, please refer to our book ‘Energy Unlimited’ (available free of charge from Victron Energy and downloadable from www.victronenergy.com). For more information about adaptive charging please look...

  • Page 10: Operation

    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"...
  • Page 11 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.

  • Page 12: Led Indications

    3.4 LED Indications LED off LED flashes LED illuminated Inverter Charger inverter mains on inverter on Bulk overload The inverter is on and supplies power to the load. Absorption low battery charger Float only temperature Charger inverter mains on inverter on The nominal output of the Bulk overload...
  • Page 13 Charger inverter mains on inverter on Bulk overload The inverter has switched off due to low battery voltage. absorption low battery charger Float only temperature Charger inverter mains on inverter on Bulk overload The battery is almost fully exhausted. absorption low battery charger Float...
  • Page 14 Charger inverter -If the LEDs are flashing mains on inverter on alternately, the battery is nearly exhausted and the nominal Bulk overload output is exceeded. -If "overload" and "low battery" flash simultaneously, the ripple absorption low battery voltage on the battery charger terminals is too high.
  • Page 15 Charger inverter mains on inverter on The mains voltage is switched Bulk overload through and the charger operates in absorption mode. absorption low battery charger Float only temperature Charger inverter mains on inverter on The mains voltage is switched Bulk overload through and the charger operates in float mode.

  • Page 16: Special Indications

    Special Indications PowerControl charger inverter mains on inverter on The AC input is switched through. The AC output bulk overload current is equal to the preset maximum input current. The absorption low battery charge current is reduced to 0. charger only float temperature...

  • Page 17: Installation

    4. Installation This product may only be installed by a qualified electrical engineer. 4.2 Location The product must be installed in a dry and well-ventilated area, as close as possible to the batteries. There should be a clear space of at least 10 cm (4 inch) around the appliance for cooling.

  • Page 18: Connection Of Battery Cables

    4.2 Connection of battery cables In order to utilize the full capacity of the product, batteries with sufficient capacity and battery cables with sufficient cross section should be used. See table. 12/3000/120 24/3000/70 48/3000/35 Recommended battery capacity (Ah) 400–1200 200–700 100–400 Recommended DC fuse 400A...
  • Page 19 4.3 Connection of the AC cabling The MultiPlus is a safety class I product (supplied with a ground terminal for safety purposes). Its AC input and/or output terminals and/or grounding point on the outside of the product must be provided with an uninterruptible grounding point for safety purposes.

  • Page 20: Optional Connections

    4.4 Optional Connections A number of optional connections are possible(see appendix A) 4.4.1 Second Battery The MultiPlus has a connection for charging a starter battery. 4.4.2 Voltage Sense Two sense wires may be connected to compensate possible battery cable losses during charging.
  • Page 21 4.4.6 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 MultiPlus units plus optional control panel) will require subsequent configuration (see Section 5).
  • Page 22 5. Configuration Settings may only be changed by a qualified electrical engineer. Read the instructions thoroughly before implementing changes. During setting of the charger, the AC input must be removed. 5.1 Standard settings: ready for use On delivery, the MultiPlus is set to standard factory values. In general, these settings are suitable for single-unit operation.
  • Page 23 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;...
  • Page 24 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 MultiPlus, 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.
  • Page 25 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.
  • Page 26 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. Multi-functional relay By default, the multi-functional relay is set as an alarm relay, i.e.
  • Page 27 • 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 systems with a maximum of three MultiPlus units (parallel or three phase operation) can be configured in a simple manner.
  • Page 28 5.5 Configuration with DIP switches A number of settings can be changed using DIP switches (see appendix A, position This is done as follows: Turn the MultiPlus on, preferably without load en without AC voltage on the input. The MultiPlus will then operate in inverter mode. Step 1: Setting the DIP switches for: - the required current limitation of the AC input.
  • Page 29 5.5.1 Step 1 5.5.1.1 Current limitation AC input (default: 50A) If the current demand (MultiPlus load + battery charger) threatens to exceed the set AC input current, the MultiPlus will first reduce its charging current (PowerControl), and subsequently supply additional power from the battery (PowerAssist), if needed.
  • Page 30 5.5.1.3 Battery 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.
  • Page 31 5.5.1.4 Stand-alone, parallel, 3-phase and split phase operation Using DIP switches ds2 and ds1, three system configurations can be selected. NOTE: - When configuring a parallel, 3-phase or split phase system, all related devices should be interconnected using RJ45 UTP cables (see appendix C, D). All devices must be turned on.
  • Page 32 DIP switches ds2 and ds1 are reserved for the selection of stand-alone, parallel 3-phase operation Stand-alone operation Step 1: Setting ds2 and ds1 for stand-alone operation DS-8 AC input Set as desired DS-7 AC input Set as desired DS-6 AC input Set as desired DS-5 AES Set as desired...
  • Page 33 Parallel operation (appendix C) Step 1: Setting ds2 and ds1 for parallel operation Master Slave 1 Slave 2 (optional) DS-8 AC input DS-8 na DS-8 na DS-7 AC input DS-7 na DS-7 na DS-6 AC input DS-6 na DS-6 na DS-5 AES DS-5 na DS-5 na...
  • Page 34 Master Slave 1 Slave 2 DS-8 na (30A panel) DS-8 na DS-8 na DS-7 na (30A panel) DS-7 na DS-7 na DS-6 na (30A panel) DS-6 na DS-6 na DS-5 AES na DS-5 na DS-5 na DS-4 Ch. current 3x70A DS-4 na DS-4 na DS-3 Ch.
  • Page 35 Three phase operation (appendix D) Step 1: Setting ds2 and ds1 for 3-phase operation Leader (L1) Follower (L2) Follower (L3) DS-8 AC input DS-8 Set DS-8 Set DS-7 AC input DS-7 Set DS-7 Set DS-6 AC input DS-6 Set DS-6 Set DS-5 AES DS-5 na DS-5 na...
  • Page 36 Split phase operation (see figure 2a and 2b) Step 1: Setting ds2 and ds1 for 2-phase (= split phase) operation Leader (L1) Follower (L2) DS-8 AC input DS-8 Set DS-7 Set DS-7 AC input DS-6 Set DS-6 AC input DS-5 na DS-5 AES DS-4 na DS-4 Ch.
  • Page 37 5.5.2 Step 2: Other settings Parellel operation: the remaining settings are not relevant (na) for slaves. Three Phase or split phase: some of the remaining settings are not relevant for followers (L2, L3). These settings are imposed on the whole system by the leader L1.
  • Page 38 Step 2: Exemplary settings for stand-alone mode Example 1 is the factory setting. Note: since factory settings are entered by computer, all DIP switches of a new product are set to ‘off’ and do not reflect the actual settings in the microprocessor. DS-8 Ch.
  • Page 39 Step 2: Exemplary setting for parallel mode In this example, the master is configured according to factory settings. The slaves do not require setting! Master Slave 1 Slave 2 DS-8 Ch. voltage(GEL 14,4V) DS-8 na DS-8 na DS-7 Ch. voltage(GEL 14,4V) on DS-7 na DS-7 na DS-6 Absorption time (8 h)

  • Page 40: Maintenance

    Step 2: Exemplary setting for 3-phase mode In this example the leader is configured according to factory settings. Leader (L1) Follower (L2) Follower (L3) DS-8 Ch. Volt. GEL 14,4V DS-8 na DS-8 na DS-7 Ch. Volt. GEL 14,4V DS-7 na DS-7 na DS-6 Absorption time (8 h) DS-6 na...

  • Page 41: Error Indications

    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 No output voltage on MultiPlus in inverter mode Remove overload or short AC-out-2.
  • Page 42 One alarm LED lights The inverter is switched off Check this table for and the second flashes. due to alarm activation by the appropriate measures in lighted LED. The flashing LED regard to this alarm state. indicates that the inverter was about to switch off due to the related alarm.
  • Page 43 The battery is not Charging current excessively Set the charging current to a completely charged. high, causing premature level between 0.1 and 0.2 times absorption phase. the battery capacity. Poor battery connection. Check the battery connections. The absorption voltage has been Set the absorption voltage to the set to an incorrect level (too low).
  • Page 44 7.2 Special LED indications (for the normal LED indications, see section 3.4) Bulk and absorption LEDs flash synchronously Voltage sense error. The voltage (simultaneously). measured at the voltage sense connection deviates too much (more than 7V) from the voltage on the positive and negative connection of the device.
  • Page 45 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.
  • Page 46 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. Is the "inverter on" LED flashing? If not, then there is no VE.Bus error code. 2.
  • Page 47 3) Switch on all other devices one by one until device. the error message reoccurs. 4) Update the firmware in the last device that was switched on. Internal error. Should not occur. Switch all equipment off, and then on again. Contact Victron Energy if the problem persists.

  • Page 48: Technical Specifications

    8. Technical specifications 12 Volt 12/3000/120 – 50 120V MultiPlus 24 Volt 24/3000/70 – 50 120V PowerControl / PowerAssist Transfer switch Minimum PowerAssist current INVERTER Input voltage range 9,5 – 17 V 19 – 33 V Output Output voltage: 120 VAC ± 2% Frequency 60 Hz ±...
  • Page 49 1) Can be adjusted to 50Hz 2) Protection a. Output short circuit b. Overload c. Battery voltage too high d. Battery voltage too low e. Temperature too high f. 120VAC on inverter output g. Input voltage ripple too high 3) Non linear load, crest factor 3:1 4) At 25 °...

  • Page 51: Appendix A Overview Connections

    www.victronenergy.com APPENDIX A Overview connections...
  • Page 52 A AC input: (left to right) L (phase), N (neutral), PE (ground). B 2x RJ45 connector for remote control and/or parallel / three-phase operation C AC output: (left to right) ) L (phase), N (neutral), PE (ground). E Battery minus. Battery plus.

  • Page 53: Appendix B: Block Diagram

    www.victronenergy.com APPENDIX B: Block diagram See table in section 4.2...

  • Page 54: Appendix C: Parallel Connection

    APPENDIX C: Parallel connection SLAVE Unit 3 SLAVE Unit 2 MASTER Unit 1 Panel BAT- BAT- BAT- BAT+ BAT+ BAT+ PE OUT AC OUT AC OUT To load PE IN AC IN AC IN...

  • Page 55: Appendix D: Three Phase Connection

    www.victronenergy.com APPENDIX D: Three phase connection Follower Unit 3 Follower Unit 2 MASTER Unit 1 Panel BAT- BAT- BAT- BAT+ BAT+ BAT+ PE OUT AC OUT AC OUT AC OUT AC OUT To load PE IN AC IN AC IN AC IN AC IN...

  • Page 56: Appendix E: Charge Characteristic

    APPENDIX E: Charge characteristic C h a rg e c u rre n t 1 2 0 % 1 0 0 % 8 0 % A m p s 6 0 % 4 0 % 2 0 % T i m e V o l ts C h a rg e v o lta g e T i m e...

  • Page 57: Appendix F: Temperature Compensation

    www.victronenergy.com APPENDIX F: Temperature compensation 15.0 14.5 14.0 13.5 13.0 Volts Volts 12.5 12.0 11.5 11.0 10.5 10.0 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.

  • Page 58: Appendix G: Dimensions

    APPENDIX G: Dimensions...
  • Page 59 www.victronenergy.com...
  • Page 61 www.victronenergy.com...
  • Page 62 Distributor: Serial number: Version : 00 Date : 11 February 2009 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...

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Multiplus 24/3000/70 – 50

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