3 phase configuration combining Multi RS Solar 450/80 with 450/100?

DIY
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1

I’ve a Multi RS Solar 450/80 installed (with the single MPPT) and I’m looking to build a 3 phase system. Can I pair this unit with 2 newer Multi RS Solar 450/100 (with double MPPT)?

I’d pair it with the same, but I can’t find any 450/80 for sale anymore.

2

Usual rules for a 3 phase set up are same model and firmware…so it depends on the internal inverter model being the same.