73
g
1
DC+
DC-
AC
DC
+
DC
-
DC
-
DC
+
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.
SMON
SMOFF
2
1
3
IMPORTANT! When using connection distributors, insert 6 metal bolts with fuse covers in
the fuse holders. The metal bolts are included in the Fronius IG Plus scope of delivery.