Fronius IG Plus 3.0-1 Operating Instructions Manual page 60

Solar Module
Ground at
Positive Pole:
Connecting
Solar Module
Strings
(continued)
Tightening torque for solid and stranded
wires
CAUTION! Danger of damaging the inverter by overload.
Connect a maximum of 20 A to one single DC input terminal.
5
1
5
4
3
NOTE
Form a min. 4 in. wire loop using all wires.
2
1/2 in.
4
6
Tightening torque:
stranded wires ................ 1.25 ft. lb.
solid wires ...................... 0.81 ft. lb.
Check both the polarity and the
open circuit voltage.
The DC Voltage must not exceed
600 V, regardless of temperature.
1.33 ft. lb.
Tightening torque for solid and stranded
wires
50
* Wire for solar module grounding
NOTE Connecting the
DC wiring with the wrong
polarity may cause dama-
ge to the inverter.
1.33 ft. lb.