Fronius IG Plus 100 V-1, Operating Instructions Manual

Page: 62 / 168

60
Solar Module Ground at Negative Pole for Fronius IG
Plus
General Some manufacturers of solar modules stipulate that the module must be grounded.
IMPORTANT: Take into account the following points if a solar module ground is required:
- Specifications of the solar module manufacturer regarding polarity and required type
of solar module ground
- National provisions
Solar Module
Ground at Nega-
tive Pole
Example:
Solar module ground at negative pole with
fuse or high ohm resistor
(1) Solar module
(2) Inverter
(3) Fuse / High ohm resistor
Solar Module
Ground at Nega-
tive Pole for Fro-
nius IG Plus You can ground solar modules in the Fronius IG Plus using a fuse or a high ohm resistor.
Fuse holder on the Fronius IG Plus for the
solar module ground
Fronius recommends a fuse with 1 A and a
dimension of 10 x 38 mm for solar module
grounding.
For solar module grounding using a high
ohm resistor, Fronius exclusively recom-
mends the "100 kohm Grounding Kit" opti-
on.
DC+
DC-
N
PE
(1)
(2)
=
~
=
~
L
(3)