Installation Guide

19
Connection Diagram & Connection Area
All terminals are suitable for multi conductor applications. Possible wire combinations according the following list!
Fronius Symo
Energy-
meter
AC ~ distribution
panel
DC = disconnect
DC = terminal block
DC = (+)
DC = (-)
PV frame ground
L1
L2
L3
N
Grounding terminal
Grounding electrode terminal *
L1
N
L2
L3
Main grounding system
Lockable AC ~
disconnect
switch
Cu / Al Cu
max. Class 4
DC = (+) DC = (-) AC ~
Cu: min. AWG 14 - max. AWG 6
Al : AWG 6
15.93 lb-in / 1.33 ft. lb. / 1.8 Nm
DC = Disconnect
Wire Size (AWG) Wire Material
8AWG and 10 AWG Copper (CU) - stranded and solid
8AWG and 12 AWG Copper (CU) - stranded and stranded
Copper (CU) - stranded and solid
8AWG and 14 AWG Copper (CU) - stranded and stranded
Copper (CU) - stranded and solid