Fronius IG Plus 3.0-1 - Solar Module Ground at Positive Pole: Inserting String Fuses into the Fronius IG Plus

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10
3
1
2
SMON
SMOFF
12
Solar Module
Ground at
Positive Pole:
Connecting
Solar Module
Strings
(continued)
SMON
SMOFF
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 DC-
voltage must not exceed 600 V, the difference between the individual
solar module strings should be less than 10 V.
Important The Fronius IG Plus is shipped with conductive slugs in the
fuseholders. Series fusing may be required depending on the type of PV
module used in the system. See NEC 690.9.
Select string fuses according to the information from the solar module
manufacturer or as per ‘Criteria for the Proper Selection of String
Fuses’ (max. 20 A per single DC input terminal)
Important
- Follow all solar module safety instructions
- Follow all solar module manufacturer requirements
Solar Module
Ground at
Positive Pole:
Inserting
String fuses
into the Froni-
us IG Plus
1