21
Equip the derivation cables from the string panel with the connectors type MC4, as shown in Picture 13A.
Picture 13A - Derivation cables from the string panel equipped with MC4 connectors
Label the cables deriving from the panels strings (string 1, string 2, if available string 3) and connect them to the
connectors placed on the back side of the storage system (Picture 14).
Restore the connection of the strings and check with a tester that on each line (string) just connected is available
a current lower than 950 Vdc (Picture 14A).
Picture 14A – Restore of the strings and check that on the connectors MC4: V < 950 Vdc
ON: V <950 Vdc
