Is it necessary to install SPD to protect my X3-Mega-G2 inverter?

To protect the DC system, surge suppression device (SPD type2) should be fitted at the inverter end of the DC cabling and at the array located between the inverter and the PV generator, if the voltage protection level (VP) of the surge arresters is greater than 1100 V, an additional SPD type 2 is required for surge protection for electrical devices.
To protect the AC system, surge suppression devices (SPD type2) should be fitted at the main incoming point of AC supply (at the consumer’s cutout) , located between the inverter and the meter / distribution system; SPD (test impulse D1) for signal line according to EN 61632-1.