Fronius IG Plus 70 V-2 - Solar Module Ground at Negative Pole: Connecting Solar Module Strings

48
Tightening torque of terminals:
1.2 - 1.5 Nm
Tightening torque of hexagon nut on the
connection distributor:
max. 15 Nm
1
DC+
DC-
AC
9
SMON
SMOFF
2
1
3
10
IMPORTANT!
- Set the jumper from the 'SM
ON
' position to the 'SM
OFF
' position for correct measure-
ment results
- Check the polarity and voltage of the DC cables strings: The voltage should be a max.
of 600 V.
max. 600 V
11
2
1
3
SMON
SMOFF
12