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This is to the minds at Victron (@mvader @johannes). I am considering a move from dual 3k multiplus to the 6k RS or a 5k multiplus 2. I have read all the data sheets but I want to know what the brains at Victron would choose if they had to start two motor loads (air conditioners)? I know the RS is a high frequency design that may not start motors as well as the LF designs, but it has other benefits I would like to have. Any thoughts would be appreciated.
I think a conclusive answer will only come from more information.
Like how large are the air cons. Are they inverter started or the older type? What is their max load rating? Are they still in decent condition?
Have you data logger your system with both starting up at the same time? The most important figure is their peak draw here to know whether you are within the system capability.
These are questions best answered by a technician or an installer in your area. As most will only recommend something only after seeing a site.
Safe to say though that of 2x3kva parellel can start them up and not overload, then so can a 6kva.
