question

flashfire78 avatar image
flashfire78 asked

Multi RS Solar 48/6000 no full ESS assistant?

Hi, After trying to get Remote VeConfigure working (Enabled two way comms etc) to install the ESS assistant on the Multi RS Solar 48/6000 I am now getting mixed messaging about if this is even possible:


If I follow the ESS design and installation manual: (https://www.victronenergy.com/media/pg/Energy_Storage_System/en/ess-introduction---features.html) chapter 1.2 Components refers to the following link: https://www.victronenergy.com/inverters-chargers of where the Multi RS 48/6000 is listed.


The Victron Connect application on the phone also lists an "ESS" section where I can select 4 mode's: Optimized with/ w/o battery life, keep batteries charged and external control


At the local dealer I explained I already have installed an ET112 energy meter for measuring AC solar and an ET340 energy meter and the main grid feed-in to be able to allow for phase compensation (see 7.2. Single-phase ESS in a three-phase system in the ESS manual). According to the dealer this should be possible.

Can anyone clarify if I can use this Multi for full ESS capability? I can see Battery, Inverter, Energy meters in the Venus GS, The ESS screen in the Venus Gx keeps showing: "ESS wizard not found"


Looking forward to your feedback!

ESSMulti RSinverter rs
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4 Answers
mondeoman avatar image
mondeoman answered ·

I was also very interested in this topic. Unfortunately, there is no documentation and there's very little information available.

I believe that the Multi RS has a limited ESS capability. I don't think it allows connection of an external grid meter or AC coupling at AC Input side.
I have come to believe that it supports ESS only for loads connected at its output, powered through the inverter and DC coupled PV (connected to the inverter PV input). It might also support AC Coupled ESS but for AC inverters connected at its output.

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Guy Stewart (Victron Community Manager) avatar image
Guy Stewart (Victron Community Manager) answered ·

Hi @Flashfire78,

The Multi RS is currently in the testing for compliance phase for ESS installations, and as of today is not yet supported.

The Multi RS does not have grid code approval / certification for anywhere in the world.

The ESS implementation of the Multi RS will be different to the VE.Bus Inverter/Chargers (i.e MultiPlus-II).

When it is ready to be launched, it will be managed through VictronConnect, and will not require (or support) the loading of the ESS assistant through the VE.Bus based VEConfigure.

Apologies for the lack of clarity in the documentation - my intention was to catch the ambiguity of the changing situation with the front page warning notice in the Multi RS manual that all installations needed consultation with Victron Dealer - as support will be phased in over time for various areas, and with various firmware updates.

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flashfire78 avatar image
flashfire78 answered ·

Good morning @Guy Stewart (Victron Community Manager) and thank you for the reply. Great to hear it is in the testing phase and the background, it is a great piece of kit, very powerful and silent. Indeed lack of clarity where even the Victron dealer had challenges with. I am in contact with them to see what can be done to switch back to the original design: A Multiplus2 with a separate MPPT. Kind Regards, Bas

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juf avatar image
juf answered ·

Hello,

I will push up this threat and ask for any news about the full ESS and Grid Code implementation for the Multi RS?

Is there any progress?

Thanks for answers.

Jens

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