Replacing my Magnum MS2024PAE with Victron

learaviator
learaviator Registered Users Posts: 16 ✭✭
in Off Grid Solar & Battery Systems #1
I have a Magnum inverter at my off-grid property, 240V, with each leg running 120V to my house. Nothing in the house is 240V. I will never have anything 240V. I purchased a Victron Inverter, one recommended by NAZ and find now that it only produces one 120V leg. It is a Victron MultiPlus-II
Inverter & charger 5000 Watts, 24 Volts DC, 120Volts AC, 95 Amp, PMP242505110. I can't believe they did not recommend 2 X 120V OR a 240V inverter, they know what system I have, and I told them as well. I guess some of my fault for not researching it better. 

I do not want to tie both legs together in the house and run them with the one 120V output. This does not seem to be a good idea, maybe I am wrong? I have verified all of the neutrals and I do not see an issue with shared neutrals.

I am mainly going from the Magnum to the Victron because I have a Victron Charge controller and a Cerbo GX to monitor the system and I would like to see the inverter on it as well.  My plan was to leave the Magnum as installed as a backup system. 

I suppose I could just buy a second Magnum, easy enough to replace if the original broke down. But, I would like to monitor the inverter on Victron Connect. 

I guess I could also buy a second Inverter like the one I have and run two of them at 120V for each line. 

I do not find a Victron 4 or 5000 watt, 240V inverter unless I am missing it? Is there a different brand that would communicate with the Cerbo GX? 

I see a 230V Quattro but I do not believe that is what I want either? 

 Running EVERYTHING in the house at one time, I measure 29 amps on one leg and 19 in the other. I can balance that better.  No big loads, gas dryer, gas stove, evaporative cooling, small freezer, new refrigerator, new washer and dryer. All LED lighting. 

Thank you for any input. 





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  • SumPower
    SumPower Registered Users Posts: 135 ✭✭
    #2
    The victron mutliplus2 is a good purchase.
     From the statement above about not having any 240 volt loads, I might have tried to sell you the same thing.

    But I know better.

    Due diligence is everyones responsibility, so talk to NAZ and explore your options with them. They have always been good to deal with.

    The Victron environment is robust and full of features, very stable and the ease of use combined with the monitoring capability makes it one of the best systems in the market. 

    With already having a Cerbo-GX and Victron charge controller,
    I would recommend purchasing another to pair it for 120/240 volt split phase to cover all your loads. Even though you say you will never have any 240 Volt appliances, you still need a way to cover your loads on each leg. Just make sure that NAZ matches the Multiplus2 that will pair correctly with the one you all ready have.

    The 230 volt quattro is still an option if NAZ would take back the Multiplus2. But then you would need an autotransformer to derive a neutral. 

    Dean




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