Installation Manual

28
Connection Diagram & Connection Area
All terminals are suitable for multi conductor applications. Possible wire combinations according the following list!
Fronius Primo 208-240
Energy-
meter
AC ~ distribution
panel
DC = disconnect
DC = terminal block
DC = (+)
DC = (-)
PV frame ground
L1
L2
N
Grounding terminal
Grounding electrode terminal *
L1
N
L2
Main grounding system
Lockable AC ~
disconnect
switch (optional)
Ungrounded solar modules
MPPT2
MPPT1
Cu / Al Cu
max. Class 4
DC = (+) DC = (-) AC ~
DC = Disconnect
Cu: min. AWG 14 - max. AWG 6
Al : AWG 6
15.93 lb-in / 1.33 ft. lb. / 1.8 Nm
Sense
MPPT1 MPPT2