Fronius Fronius IG Plus 100, Operating Instructions Manual

Page: 59 / 157

51
6
10mm
After disconnecting the DC main switch cable:
-
Connect the DC+ cable to the DC- connection as per work step 5
- Connect the DC- cable to the DC+ connection as per work step 5
5
2
1
1
3
Solar Module
Ground at
Positive Pole:
Connecting
Solar Module
Strings
(continued)
NOTE Identify the reversed polarity accordingly with (+) and (-).
Important
- Set the jumper from the ‘SM
ON
’ position to the ‘SM
OFF
’ position for
correct measurement 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.
8
3
1
2
SM
ON
SM
OFF
CAUTION! Danger of damaging the inverter by overload.
- Only connect a maximum of 20 A to an individual DC termi-
nal.
- Connect the DC+ cable to the right connection of the
inverter’s DC terminal.
- Connect the DC- cable to the left connection of the
inverter’s DC terminal.
7
Tightening torque 1,2 - 1,5 Nm