Victron energy MultiPlus-II 24/3000/70-50 Manual
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Victron energy MultiPlus-II 24/3000/70-50 Manual

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ENGLISH
MultiPlus-II 12V/24V/48V 3kVA
120V
Rev 01 08/2022

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Summary of Contents for Victron energy MultiPlus-II 24/3000/70-50

  • Page 1 ENGLISH MultiPlus-II 12V/24V/48V 3kVA 120V Rev 01 08/2022...

  • Page 2: Table Of Contents

    MultiPlus-II 12V/24V/48V 3kVA 120V Table of Contents 1. IMPORTANT SAFETY INSTRUCTIONS - Save these instructions! ............1 2. Description ..........................3 2.1. Boats, vehicles and other stand-alone applications ..............3 2.2. On-grid and off-grid systems combined with PV ................. 3 2.3.
  • Page 3 MultiPlus-II 12V/24V/48V 3kVA 120V C. Parallel connection ........................ 31 D. Three phase connection ......................32 E. Charge algorithm ........................33 F. Temperature compensation ...................... 34 G. Dimensions ......................... 35...

  • Page 4: Important Safety Instructions - Save These Instructions

    MultiPlus-II 12V/24V/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 MultiPlus-II 12V/24V/48V 3kVA 120V Refer to the battery manufacturer's manual for information on transport, storage, charging, recharging, and disposal of the battery. Symbol on the enclosure Symbol on the enclosure Caution, hot surface Caution, risk of electric shock Refer to the operating instructions IP21 Protected from touch by fingers and objects greater than 12 millimetres.

  • Page 6: Description

    MultiPlus-II 12V/24V/48V 3kVA 120V 2. Description 2.1. Boats, vehicles and other stand-alone applications The basis of the MultiPlus-II is an extremely powerful sine inverter, battery charger and transfer switch in a compact casing. Important features: 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.

  • Page 7: Battery Charger

    MultiPlus-II 12V/24V/48V 3kVA 120V - 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. Autonomous operation when the grid fails Houses or buildings with solar panels or a combined micro-scale heating and power plant 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.

  • Page 8: Ess - Energy Storage Systems: Feeding Energy Back Into The Grid (Not Applicable To The Multiplus-Ii 12/3000/120-32)

    MultiPlus-II 12V/24V/48V 3kVA 120V 2.4. ESS – Energy Storage Systems: feeding energy back into the grid (not applicable to the 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 9: Operation

    MultiPlus-II 12V/24V/48V 3kVA 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 ‘mains on’...

  • Page 10: Led Indications

    MultiPlus-II 12V/24V/48V 3kVA 120V b. Switch rapidly back from ‘charger only’ to ‘on’ and leave the switch in this position for ½ to 2 seconds. c. Switch once more rapidly from ‘on’ to ‘charger only’ and leave the switch in this position. 4.
  • Page 11 MultiPlus-II 12V/24V/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 12 MultiPlus-II 12V/24V/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 13: Shut Down Procedure

    MultiPlus-II 12V/24V/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. For more error codes see section 7.3 For the latest and most up to date information about the blink codes, please refer to the Victron Toolkit app.

  • Page 14: Installation

    MultiPlus-II 12V/24V/48V 3kVA 120V 4. Installation This product may only be installed by a qualified electrical engineer. 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 10 cm around the appliance for cooling.

  • Page 15: Connection Of Battery Cables

    MultiPlus-II 12V/24V/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 16: Connection Of The Ac Cabling

    MultiPlus-II 12V/24V/48V 3kVA 120V Recommended battery capacity (Ah) 400–1200 200-700 100-400 Recommended DC fuse 400 A 300 A 125 A Recommended cross section (mm2 ) per + and - connection terminal *, ** 0 – 5 m*** 2x AWG 1/0 AWG 1/0 AWG 2 5 –...

  • Page 17: Optional Connections

    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. Victron Energy recommends to use the Blue Sea systems GFCI circuit breakersPN.

  • Page 18: Voltage Sense (Connection Terminal J, See

    MultiPlus-II 12V/24V/48V 3kVA 120V These ports can be used for several purposes. One application is communication with the BMS of a lithium-ion battery. 4.4.4. Voltage sense (connection terminal J, see appendix A) For compensating possible cable losses during charging, two sense wires can be connected with which the voltage directly on the battery or on the positive and negative distribution points can be measured.

  • Page 19: Configuration

    MultiPlus-II 12V/24V/48V 3kVA 120V 5. Configuration This section is intended mainly for stand-alone applications. 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.
  • Page 20 MultiPlus-II 12V/24V/48V 3kVA 120V Adjustability: 50 Hz; 60 Hz Input frequency range Input frequency range accepted by the MultiPlus-II. The MultiPlus-II synchronises within this range with the AC input frequency. The output frequency is then equal to the input frequency. Adjustability: 45 –...
  • Page 21 MultiPlus-II 12V/24V/48V 3kVA 120V 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 flooded batteries.

  • Page 22: 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 23: Maintenance

    MultiPlus-II 12V/24V/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 20 Maintenance...

  • Page 24: Error Indications

    MultiPlus-II 12V/24V/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 7.1.

  • Page 25: Special Led Indications

    MultiPlus-II 12V/24V/48V 3kVA 120V Problem Cause Solution The charger does not MultiPlus-II is in ‘Bulk protection’ Check your batteries. operate. mode thus, the maximum bulk You can reset the error mode charging time of 10 hours is ‘Bulk’ LED flashes and by switching off and back on the exceeded.

  • Page 26: Ve.bus Led Indications

    MultiPlus-II 12V/24V/48V 3kVA 120V Absorption and float The battery temperature as measured has an extremely unlikely value. The sensor is LEDs 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 27 MultiPlus-II 12V/24V/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 Bulk LED off Absorption LED flashing...
  • Page 28 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 25 Error Indications...

  • Page 29: Technical Specifications

    MultiPlus-II 12V/24V/48V 3kVA 120V 8. Technical Specifications MultiPlus-II 12/3000/120-50 24/3000/70-50 48/3000/35-30 PowerControl & PowerAssist Transfer switch 50 A Maximum AC input current 50 A INVERTER DC Input voltage range 9,5 – 17 V 19 - 33 V 38 - 66 V Output when in inverter mode Output voltage: 120 VAC ±...
  • Page 30 MultiPlus-II 12V/24V/48V 3kVA 120V MultiPlus-II 12/3000/120-50 24/3000/70-50 48/3000/35-30 Weight 19 kg (42 lb) Dimensions (hxwxd) mm 578 x 277 x 148 536 x 277 x 147 536 x 277 x 147 (23 x 11 x 6 inch) (21 x 11 x 6 inch) (21 x 11 x 6 inch) STANDARDS Safety...

  • Page 31: Connection Overview

    MultiPlus-II 12V/24V/48V 3kVA 120V 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 32 MultiPlus-II 12V/24V/48V 3kVA 120V Terminal for: top to bottom: 1. 12V 100mA 2. Programmable contact K1 open collector 70V 100mA 3. External ground relay + 4. External ground relay – 5. Aux input 1 + 6. Aux input 1 – 7.

  • Page 33: Block Diagram

    MultiPlus-II 12V/24V/48V 3kVA 120V Appendix B. Block diagram * See table in Chapter 4.2 ‘Recommended DC fuse’ Page 30 Block diagram...

  • Page 34: Parallel Connection

    MultiPlus-II 12V/24V/48V 3kVA 120V Appendix C. Parallel connection Page 31 Parallel connection...

  • Page 35: Three Phase Connection

    MultiPlus-II 12V/24V/48V 3kVA 120V Appendix D. Three phase connection Page 32 Three phase connection...

  • Page 36: Charge Algorithm

    MultiPlus-II 12V/24V/48V 3kVA 120V 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 37: Temperature Compensation

    MultiPlus-II 12V/24V/48V 3kVA 120V Appendix F. Temperature compensation 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 34 Temperature compensation...

  • Page 38: Dimensions

    MultiPlus-II 12V/24V/48V 3kVA 120V Appendix G. Dimensions Page 35 Dimensions...
  • Page 39 MultiPlus-II 12V/24V/48V 3kVA 120V Page 36 Dimensions...

This manual is also suitable for:

Multiplus-ii 12/3000/120-50Multiplus-ii 48/3000/35-30

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