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MultiPlus 2kVA 120V
rev 04 - 09/2021

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  • Page 1 ENGLISH MultiPlus 2kVA 120V rev 04 - 09/2021...
  • Page 2: Table Of Contents

    MultiPlus 2kVA 120V Table of Contents 1. IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS ........... 1 2. Description ..........................3 2.1. General ........................3 2.2. Battery charger ......................3 2.3. Self consumption – solar energy storage systems ..............4 3. Operation ..........................5 3.1.
  • Page 3: Important Safety Instructions - Save These Instructions

    MultiPlus 2kVA 120V 1. IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS General This manual contains important safety and operating instructions for marine unit MultiPlus. CAUTION – To reduce risk of injury, charge only VRLA or Li-Ion rechargeable batteries. Other types of batteries may burst causing personal injury and damage.
  • Page 4 MultiPlus 2kVA 120V iv. Do not operate marine unit in a closed-in area or restrict ventilation in any way. DC CONNECTION PRECAUTIONS Connect and disconnect DC output connections only after setting any marine unit switches to off position and removing AC cord from electric outlet or opening AC disconnect.
  • Page 5: Description

    MultiPlus 2kVA 120V 2. Description 2.1. General Multifunctional The MultiPlus gets its name from the multiple functions it can perform. It is a powerful true sine wave inverter, a sophisticated battery charger that features adaptive charge technology and a high-speed AC transfer switch in a single enclosure. Beside these primary functions, however, the MultiPlus has several advanced features that provide a range of new applications as outlined below.
  • Page 6: Self Consumption - Solar Energy Storage Systems

    MultiPlus 2kVA 120V More on batteries and charging Our book ‘Energy Unlimited’ offers further information on batteries and battery charging, and is available free of charge on our website (see www.victronenergy.com → Support & Downloads’ → General Technical Information). For more information on adaptive charging, please also refer to the General Technical Information on our website.
  • Page 7: Operation

    MultiPlus 2kVA 120V 3. Operation 3.1. On / Off / Charger-only Switch When switched to ‘on’, the product is fully functional. The inverter will come into operation and the LED ‘inverter on’ will light up. An AC voltage connected to the ‘AC in’ terminal will be switched through to the ‘AC out’ terminal, if within specifications. The inverter will switch off, the ‘Charger’...
  • Page 8 MultiPlus 2kVA 120V On / Off / Charger-only switch = On The AC input voltage is switched through and the charger operates in float mode. On / Off / Charger-only switch = On. PowerControl and PowerAssist: The AC input is switched through and the charge current is zero. The inverter is switched on and, in case of PowerAssist, assists the AC input by supplying additional power to the load (see section 2.1).
  • Page 9: Installation

    MultiPlus 2kVA 120V 4. Installation This product should be installed by a qualified electrician. CAUTION – To reduce risk of injury, charge only VRLA or Li-Ion batteries. Other types of batteries may burst causing personal injury and damage! 4.1. Location The product must be installed in a dry and well-ventilated area, as close as possible to the batteries.
  • Page 10: Connection Of The Ac Cabling

    MultiPlus 2kVA 120V 4.3. Connection of the AC cabling This is a Safety Class I product (supplied with a protective grounding terminal). Uninterruptible protective grounding must be provided at the AC input and/or output terminals and/or chassis grounding point located externally on the product. The MultiPlus is provided with a ground relay (relay H, see appendix B) that automatically connects the Neutral output to the chassis if no external AC supply is available.
  • Page 11: Programmable Relay

    MultiPlus 2kVA 120V 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). 4.4.5.
  • Page 12: Configuration

    MultiPlus 2kVA 120V 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.
  • Page 13 MultiPlus 2kVA 120V 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 – 65Hz; 55 – 65Hz; 45 – 55Hz Input voltage range Voltage range accepted by the MultiPlus.
  • Page 14: Configuration Of The Multiplus

    BoostFactor Change this setting only after consulting with Victron Energy or with an engineer trained by Victron Energy! Programmable relay By default, the programmable 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).
  • Page 15: Ve.bus Quick Configure Setup

    MultiPlus 2kVA 120V A MK3-USB (VE.Bus to USB) interface. Alternatively, the Interface MK2.2b (VE.Bus to RS232) can be used (RJ45 UTP cable needed). 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 MultiPlusses (parallel or three phase operation) can be configured in a simple manner.
  • Page 16 MultiPlus 2kVA 120V DS-1 DS-1 DS-1 Charge DS-2 DS-2 voltage DS-2 DS-3 DS-2 Charge voltage DS-3 Charge voltage Example 1: (factory setting) Example 2 Example 3 GEL 14.4 V Gel Victron Long Life Tubular plate 15V Li-ion (LiFePO4) Search mode off Search mode off Search mode off 3 Store setting: off→...
  • Page 17: Maintenance

    MultiPlus 2kVA 120V 6. Maintenance The MultiPlus does not require specific maintenance. All maintenance should be performed by qualified personnel. Avoid moisture and oil/soot/vapours, and keep the device clean. Page 15 Maintenance...
  • Page 18: 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...
  • Page 19 MultiPlus 2kVA 120V Problem Cause Solution Alt 2: Battery temperature sensor faulty Unplug battery temperature sensor from the MultiPlus. Reset the MultiPlus by switching it off, then wait for 4 seconds and switch it on again. If the MultiPlus now charges normally, the battery temperature sensor is faulty and needs to be replaced.
  • Page 20: Technical Data

    MultiPlus 2kVA 120V 8. Technical Data MultiPlus 12/2000/80 MultiPlus 24/2000/50 MultiPlus 48/2000/25 PowerControl / PowerAssist Transfer switch INVERTER Input voltage range 9,5 – 17V 19 – 33V 38– 66V Output Output voltage: 120VAC ± 2% Frequency: 60Hz ± 0,1% (1) Cont.
  • Page 21 MultiPlus 2kVA 120V MultiPlus 12/2000/80 MultiPlus 24/2000/50 MultiPlus 48/2000/25 1) Can be adjusted to 60Hz and to 240V 3) Non-linear load, crest factor 3:1 2) Protection 4) At 25°C ambient a. Output short circuit 5) Programmable relay which can be set for: b.
  • Page 22: Appendix

    MultiPlus 2kVA 120V 9. APPENDIX 9.1. Appendix A: overview connections DIP switch Remove cover On/off/charger only switch VE.BUS Communications port Temperature sensor Alarm contact Batterie Minus Starter battery plus Remote control Mains IN Mains/converter OUT Battery plus Earth connection 9.2. Appendix B: installation information Page 20 APPENDIX...
  • Page 23: Appendix C: Parallel Connection

    MultiPlus 2kVA 120V Input Output Ground in– and output connected to chassis Backfeed safety relay Ground relay (closed when backfeed is open) Bidirectional converter Chassis on input/output ground terminals should be permanently connected to ground 9.3. Appendix C: parallel connection Page 21 APPENDIX...
  • Page 24: Appendix D: Three-Phase Connection

    MultiPlus 2kVA 120V 9.4. Appendix D: three-phase connection 9.5. Appendix E: charge algorithm Page 22 APPENDIX...
  • Page 25: Appendix F: Temperature Compensation

    MultiPlus 2kVA 120V 4-stage charging: Bulk: Entered when charger is started. Constant current is applied until the gassing voltage is reached (14.4V resp. 28.8V, temperature compensated). Battery Safe: If, in order to quickly charge a battery, a high charge current in combination with a high absorption voltage has been chosen, the Multi will prevent damage due to excessive gassing by automatically limiting the rate of voltage increase once the gassing voltage has been reached.
  • Page 26: Appendix G: Dimensions

    MultiPlus 2kVA 120V 9.7. Appendix G: dimensions Page 24 APPENDIX...

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Multiplus 2kva 120v

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