Fronius IG Plus 35 - Page 47

39
Solar Module
Ground at
Negative Pole:
Connecting
Solar Module
Strings
(continued)
Important
- Set the jumper from the ‘SMON’ position to the ‘SMOFF’ 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.
Important
- When connecting solar module strings, you should use metal bolts or
string fuses with fuse covers in the fuse holder depending on the solar
module manufacturer instructions.
The metal bolts are included in the Fronius IG Plus scope of delivery.
- Place metal bolts with fuse covers in the fuse holders for unoccupied
DC+ terminals.
8
1
3
2
SMOFF
7
max. 600 V
SMON
CAUTION! Danger of damaging the inverter by overload.
- Only connect a maximum of 20 A to an individual DC termi-
nal.
- Connect the DC+ and DC- cables to the correct DC+ and
DC- terminals on the inverter.
5
6
3
1
2
SMON
SMOFF
Tightening torque 1,2 - 1,5 Nm