Retrofitting a surge protection device on Fronius Eco and Fronius Symo 10 – 20 kW

/ BOS cost savings due to easy retrofitting of SPD / no extra boxes needed - saves BOS costs / Easy and fast to retrofit - saves time / Readymade retrofit kit from Fronius is available ATTENTION: RETROFITTING SURGE PROTECTION DEVICE ON FRONIUS SYMO DIFFERS FROM THIS VIDEO. PLEASE INFORM YOURSELF ABOUT THE EXACT WIRING HERE: https://www.fronius.com/~/downloads/S...