Victron energy MultiPlus-II Manual
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Victron energy MultiPlus-II Manual

48v 3kva 120v
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ENGLISH
MultiPlus-II 48V 3kVA 120V
Rev 01 02/2021

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Summary of Contents for Victron energy MultiPlus-II

  • Page 1 ENGLISH MultiPlus-II 48V 3kVA 120V Rev 01 02/2021...

  • Page 2: Table Of Contents

    2.3.2. Li-ion batteries ..................... 3 2.3.3. Other Li-ion batteries ..................... 3 2.3.4. More on batteries and battery charging ................. 4 2.4. ESS – Energy Storage Systems: feeding energy back into the grid (not applicable to the MultiPlus-II 12/3000/120-32) ........................4 3. Operation ..........................5 3.1.
  • Page 3 MultiPlus-II 48V 3kVA 120V C. APPENDIX C: Parallel connection ....................29 D. APPENDIX D: Three phase connection ..................30 E. APPENDIX E: Charge algorithm ....................31 F. APPENDIX F: Temperature compensation ..................32 G. APPENDIX G: Dimensions ....................... 33...

  • Page 4: Important Safety Instructions - Save These Instructions

    MultiPlus-II 48V 3kVA 120V 1. IMPORTANT SAFETY INSTRUCTIONS - Save these 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 5: Description

    Automatic and uninterruptible switching In the event of a supply failure or when the generating set is switched off, the MultiPlus-II 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).

  • Page 6: Battery Charger

    Internet connections, etc.) during a power failure. A problem is however that grid connected sustainable energy sources drop out as soon as the grid fails. With a MultiPlus-II and batteries, this problem can be solved: the MultiPlus-II can replace the grid during a power failure.

  • Page 7: More On Batteries And Battery Charging

    MultiPlus-II 12/3000/120-32) When the MultiPlus-II is used in a configuration in which it will feed back energy into the grid it is required to enable grid code compliance by selecting the appropriate grid code country setting with the VEConfigure tool.

  • Page 8: Operation

    3.3.3. Activating equalisation or forced absorption The MultiPlus-II 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’.

  • Page 9: Led Indications

    Switch once more rapidly from ‘on’ to ‘charger only’ and leave the switch in this position. 4. On the MultiPlus-II (and, if connected, on the MultiControl panel) the three LEDs ‘Bulk’, ‘Absorption’ and ‘Float’ will now flash 5 times.
  • Page 10 MultiPlus-II 48V 3kVA 120V Low battery alarm The inverter has switched off due to low battery voltage. The "low battery" LED is blinking. Temperature pre-alarm The internal temperature is reaching a critical level. The "temperature" LED is blinking. Temperature alarm The inverter has switched off due it's internal temperature being too high.
  • Page 11 MultiPlus-II 48V 3kVA 120V Bulk charging The AC input voltage is switched through and the charger operates in bulk mode. The "bulk" LED is on. BatterySafe The mains voltage is switched through and the charger is on. However, the set absorption voltage has not yet been reached. The "bulk"...
  • Page 12 MultiPlus-II 48V 3kVA 120V PowerAssist The AC input is switched through, but the load requires more current than the preset maximum input current. The inverter is switched on to supply the required additional current. The "mains on" LED is on and the "inverter" LED is blinking.

  • Page 13: Installation

    Never position the appliance directly above the batteries. The MultiPlus-II is suitable for wall mounting. A solid surface, suitable for the weight and dimensions of the product must be available (e.g., concrete, or masonry). For mounting purposes, a hook and two holes are provided at the back of the casing (see appendix G).

  • Page 14: Connection Of Battery Cables

    MultiPlus-II 48V 3kVA 120V WARNING – RISK OF EXPLOSIVE GASES) WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY OPERATION. FOR THIS REASON, IT IS OF UTMOST IMPORTANCE THAT EACH TIME BEFORE SERVICING THE UNIT IN THE VICINITY OF THEBATTERY, YOU READ THIS MANUAL AND FOLLOW THE INSTRUCTIONS EXACTLY.

  • Page 15: Connection Of The Ac Cabling

    4.3. Connection of the AC cabling The MultiPlus-II 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 16: Optional Connections

    The product can be remotely controlled in two ways. • With an external switch (connection terminal M, see appendix A). Operates only if the switch on the MultiPlus-II is set to “on”. • With a Multi Control panel (connected to one of the two RJ45 sockets L, see appendix A). Operates only if the switch on the MultiPlus-II is set to “on”.

  • Page 17: Temperature Sensor (Connection Terminal J, See

    MultiPlus-II units. • Place the MultiPlus-II units close to each other, but allow at least 10cm for ventilation purposes under, above and beside the units.

  • Page 18: Configuration

    5.1. Standard settings: ready for use On delivery, the MultiPlus-II is set to standard factory values. In general, these settings are suitable for single-unit operation. Possibly, the standard battery charging voltage is not suitable for your batteries! Refer to the manufacturer's...
  • Page 19 Instead of the AES mode, the search mode can also be chosen. If search mode is ‘on’, the power consumption in no-load operation is decreased by approx. 70%. In this mode the MultiPlus-II, 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 20 If this setting is ‘on’, the MultiPlus-II 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.

  • Page 21: Configuring The Multiplus-Ii

    When WeakAC is on, the maximum charge current is reduced by approximately 20%. BoostFactor Change this setting only after consulting with Victron Energy or with an engineer trained by Victron Energy! Programmable relay The relay can be programmed for all kinds of other applications, for example as a starter relay for a generator.

  • Page 22: Maintenance

    MultiPlus-II 48V 3kVA 120V 6. Maintenance The MultiPlus-II 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. Page 19 Maintenance...

  • Page 23: Error Indications

    MultiPlus-II 48V 3kVA 120V 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. We recommend to use the toolkit app to link LED alarm codes to a description of the problem/alarm, see https:// www.victronenergy.com/support-and-downloads/software#victron-toolkit-app...

  • Page 24: Special Led Indications

    MultiPlus-II. Such a long charging time could indicate a system error (e.g. a The standard MultiPlus-II factory setting of the ’Bulk battery cell short-circuit). protection’ mode is switched on. The ‘Bulk protection’ mode can be switched off with help of VEConfigure only.

  • Page 25: Ve.bus Led Indications

    MultiPlus-II 48V 3kVA 120V Absorption and float LEDs The battery temperature as measured has an extremely unlikely value. The sensor is flash synchronously probably defective or has been incorrectly connected. The device will remain in normal (simultaneously). operation. If the "inverter on" LED flashes in phase opposition, this a VE.Bus error code (see further on).
  • Page 26 MultiPlus-II 48V 3kVA 120V All of the conditions below must be met!: 1. The device is in error! (No AC output) 2. Inverter LED flashes (in opposition to any flashing of the Bulk, Absorption or Float LED) 3. At least one of the LEDs Bulk, Absorption and Float is on or flashing...
  • Page 27 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 24 Error Indications...

  • Page 28: Technical Specifications

    MultiPlus-II 48V 3kVA 120V 8. Technical Specifications MultiPlus-II 48V 3kVA 120V PowerControl & PowerAssist Transfer switch 50 A Maximum AC input current 50 A INVERTER DC Input voltage range 38 - 66 V Output when in inverter mode Output voltage: 120 VAC ± 2% Frequency: 60 Hz ±...
  • Page 29 MultiPlus-II 48V 3kVA 120V MultiPlus-II 48V 3kVA 120V 120/240 V AC-connection Screw terminals 13 mm² (6 AWG) Weight 19 kg Dimensions (hxwxd) mm 536 x 275 x 147 STANDARDS Safety EN-IEC 60335-1, EN-IEC 60335-2-29 Emission, Immunity EN 55014-1, EN 55014-2...

  • Page 30: Appendix A: Connection Overview

    MultiPlus-II 48V 3kVA 120V Appendix A. APPENDIX A: Connection overview Load connection. AC out1. Left to right: N (neutral), PE (earth/ground), L (phase) Load connection. AC out2. Left to right: N (neutral), PE (earth/ground), L (phase) AC input: Left to right: N (neutral), PE (earth/ground), L (phase) Alarm contact: (left to right) NO, NC, COM.

  • Page 31: Appendix B: Block Diagram

    MultiPlus-II 48V 3kVA 120V Appendix B. APPENDIX B: Block diagram * See table in Chapter 4.2 ‘Recommended DC fuse’ Page 28 APPENDIX B: Block diagram...

  • Page 32: Appendix C: Parallel Connection

    MultiPlus-II 48V 3kVA 120V Appendix C. APPENDIX C: Parallel connection Page 29 APPENDIX C: Parallel connection...

  • Page 33: Appendix D: Three Phase Connection

    MultiPlus-II 48V 3kVA 120V Appendix D. APPENDIX D: Three phase connection Page 30 APPENDIX D: Three phase connection...

  • Page 34: Appendix E: Charge Algorithm

    MultiPlus-II 48V 3kVA 120V Appendix E. APPENDIX E: Charge algorithm 4-stage charging: Bulk Entered when charger is started. Constant current is applied until nominal battery voltage is reached, depending on temperature and input voltage, after which constant power is applied up to the point where excessive gassing is starting (14.4 V resp. 28.8 V, temperature compensated).

  • Page 35: Appendix F: Temperature Compensation

    MultiPlus-II 48V 3kVA 120V Appendix F. APPENDIX F: Temperature compensation EN 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.

  • Page 36: Appendix G: Dimensions

    MultiPlus-II 48V 3kVA 120V Appendix G. APPENDIX G: Dimensions Dimension Drawing - MultiPlus-II PMP482305100 MultiPlus-II 48/3000/35-50 120V 6.2(3x) 32.5 6(4x) 87.5 87.5 49.4 Dimensions in mm Page 33 APPENDIX G: Dimensions...

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Pmp482305100

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