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Victron energy MultiPlus 12/800/35 - User Manual

Victron energy MultiPlus 12/800/35
120 pages
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Anleitung
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Appendix
MultiPlus 800VA
12 | 800 | 35 220-240V
24 | 800 | 16 220-240V
48 | 800 | 9 220-240V

Questions and Answers

  • T
    tiffany34Jul 31, 2025
    Why is my Victron Energy Inverter charger not functioning?
    • J
      julianwalkerJul 31, 2025
      The charger might not be functioning because the AC input voltage or frequency is out of range. Ensure that the input voltage is between 185Vac and 265Vac, and that the frequency matches the setting.
  • M
    Margaret HillAug 4, 2025
    How to fix Victron Energy Inverter that fails to operate?
    • S
      scott80Aug 4, 2025
      If the Victron Energy Inverter fails to operate, disconnect mains voltage, switch the front switch off, wait 4 seconds, and then switch the front switch on.
  • C
    castrokimAug 9, 2025
    What to do if my Victron energy MultiPlus 12/800/35 Inverter fails to operate when switched on?
    • T
      tterrellAug 9, 2025
      If the Victron Energy Inverter fails to operate when switched on, it might be because the battery voltage is too high or too low. Ensure that the battery voltage is within the correct value.
  • D
    Donna ChristensenAug 13, 2025
    Why is my Victron energy MultiPlus 12/800/35 Inverter battery overcharged?
    • D
      David CopelandAug 13, 2025
      Your Victron Energy Inverter battery may be overcharged due to several reasons: * The absorption voltage is set incorrectly: Adjust the absorption voltage to the correct value. * The float voltage is set incorrectly: Adjust the float voltage to the correct value. * 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.
  • N
    nhigginsAug 18, 2025
    What to do if Victron Energy Inverter battery charge current drops to 0 when the absorption voltage is reached?
    • R
      Randall RivasAug 18, 2025
      If the battery charge current drops to 0 when the absorption voltage is reached, it may be due to: 1. Battery overtemperature (> 50°C): Allow the battery to cool down, place the battery in a cool environment, and check for shorted cells. 2. Faulty battery temperature sensor: Unplug the battery temperature sensor from the MultiPlus, reset the MultiPlus by switching it off, 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.
  • W
    weaverdavidAug 22, 2025
    What to do if the alarm LED flashes on my Victron Energy Inverter?
    • S
      Stephanie JordanAug 22, 2025
      If the alarm LED is flashing, this could indicate several pre-alarm conditions: * The DC input voltage is low: Charge the battery or check the battery connections. * The ambient temperature is too high: Place the inverter in a cool and well-ventilated room, or reduce the load. * The load on the inverter is higher than the nominal load: Reduce the load. * Voltage ripple on the DC input exceeds 1.25Vrms: Check the battery cables and terminals and the battery capacity; increase if necessary. * Low battery voltage and excessive load: Charge the batteries, reduce the load, install batteries with a higher capacity, and use shorter and/or thicker battery cables.
  • H
    Holly BaldwinAug 26, 2025
    What to do if my Victron energy MultiPlus 12/800/35 Inverter battery is not being charged fully?
    • M
      Marie ThomasAug 26, 2025
      If the battery is not being charged fully, consider the following: * Incorrect charging current: Set the charging current at between 0.1 and 0.2x battery capacity. * Defective battery connection: Check the battery terminals. * Incorrect absorption voltage: Adjust the absorption voltage to the correct value. * Incorrect float voltage: Adjust the float voltage to the correct value. * Defective internal DC fuse: The inverter is damaged.

Summary

SAFETY INSTRUCTIONS

General

General safety precautions and product usage guidelines.

Installation

Instructions and safety measures for installing the product.

Transport and Storage

DESCRIPTION

2.1 General

General overview of the MultiPlus's multi-functional capabilities.

2.2 Battery charger

Details about the adaptive 4-stage battery charging system.

OPERATION

3.1 On; Off; Charger-only Switch

Operation modes using the on/off/charger-only switch.

3.2 Remote control

Options for remotely controlling the MultiPlus unit.

3.3 LED Indications

Explanation of the meaning of different LED indicator lights on the unit.

INSTALLATION

4.1 Location

Recommendations for choosing a suitable installation location.

4.2 Connection of the Battery cables

Instructions for correctly connecting the DC battery cables.

4.3 Connection of the AC cabling

Detailed steps for connecting the AC input and output cables.

4.4 Optional Connections

Details on making various optional connections to the unit.

CONFIGURATION

5.1 Standard settings: ready for use

Default factory settings and their suitability for single-unit operation.

5.2 Explanation of settings

Detailed explanation of various configurable settings.

5.3 Configuration by computer

How to configure settings using computer software.

5.4 Configuration with DIP switches

How to configure settings using the unit's DIP switches.

MAINTENANCE

TROUBLE SHOOTING TABLE

TECHNICAL DATA

Victron energy MultiPlus 12/800/35 Specifications

General IconGeneral
ModelMultiPlus 12/800/35
Output Power800 VA
Continuous AC Power700 W
Output Voltage230 VAC
Efficiency90%
Battery Voltage12 V
Charge Current35 A
Maximum AC Input Current16 A
Output Frequency50 Hz
ProtectionOverload

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