39
Connecting
Solar Module
Strings
Wire Cross
Section of
Solar Module
Strings
(continued)
1
1
2
1
CAUTION! Danger of damaging the inverter by overload.
Connect a maximum of 20 A to one single DC input terminal.
NOTE Only use water tight conduit fittings and conduits.
Conduit fittings and conduits are not part of the scope of delivery
for the inverter.
1
3
3
1/2 in.
2
4
5
4
6
4
2
1
*
Wire for solar module grounding
Conduit
WARNING! An electric shock can be fatal. Inadequately sized
electrical components can cause serious injuries to persons
and damage to (or loss of) property.
- Use minimum AWG 14 to maximum AWG 6, min. 167°F
(75°C), copper wire for all DC wiring connections to the
Fronius IG Plus. Voltage drop and other considerations may
dictate larger size wires be used.
- Use only solid or stranded wire. Do not use fine stranded
wire
Tightening torque:
stranded wires ................1.25 ft. lb.
solid wires ......................0.81 ft. lb.