Fronius IG Plus 30 V-1 - Solar Module Ground at Negative Pole: Connecting Solar Module Strings with a Cable Cross Section

56
Solar Module Ground at Negative Pole: Connecting
Solar Module Strings with a Cable Cross Section >
16 mm²
General The following steps are only necessary when the solar module manufacturer requires a so-
lar module ground at the negative pole.
As an option, you can also connect DC cables to the inverter with a cross section > 16 mm²,
e.g., when the DC cables from the solar modules are combined outside of the inverter into
a large string.
Additional com-
ponents required
The following additional components are required for connecting DC cables with a cross
section > 16 mm²:
- 2 M32 metric screw joints (degree of
protection min. IP45)
- 2 connection distributors
*)
Metric screw joints and connection dis-
tributors are available from Fronius as
an option.
- 2 M10 cable lugs
Select cable lugs that match the availa-
ble DC cables
- 2 M10 hexagon nuts
Solar module
ground at nega-
tive pole: Con-
necting solar
module strings
with a cable cross
section > 16 mm²
*)
3
1
2
4
1
6 x
1
2