Fronius IG Plus 100 V-1, Operating Instructions Manual

Page: 67 / 168

65
g
CAUTION! Danger of damaging the inverter by overload.
- Only connect a maximum of 20 A to an individual DC terminal.
- Connect the DC+ cable to the right connection block of the inverter's DC ter-
minals.
- Connect the DC- cable to the left connection block of the inverter's DC termi-
nals.
- Identify the reversed polarity with (+) and (-) according to step 10
Tightening torque of terminals:
1.2 - 1.5 Nm
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 solar module strings: the voltage should be a
max. of 600 V, the difference between the individual solar module strings should be a
max. of 10 V.
DC-
DC+
9
DC-
DC+
DC +
DC -
DC-
DC+
DC -
DC +
DC
+
1
DC
-
2
DC -
DC +
3
4
10
SM
ON
SM
OFF
2
1
3
11
max. 600 V
12