Replacing String Fuses; Safety; Preparation; Finally - Fronius String Control 100/12 Bedienungsanleitung

Replacing String Fuses

Safety

Preparation

1
2
3
4
5
6
7
Replacing String
Fuses
1
3

Finally...

1
2
3
4
WARNING! Work performed incorrectly can cause serious injury and damage.
Only trained and qualified personnel may carry out the activities described in the
following. Follow the safety rules in these operating instructions.
WARNING! An electric shock can be fatal. Danger from DC voltage from solar
modules.
- Make sure that the input and output sides in front of the device are not
charged before conducting maintenance work.
- Never remove a fuse while it is under load.
Interrupt the connection to the AC supply lines using the inverter AC disconnector
Disconnect solar module strings from the Fronius String Control 100/12
Attach a clearly legible and easy-to-understand warning sign to prevent anyone from
switching it back on or from reconnecting any open or interrupted connections
Check to make sure that solar module strings are not charged
Short circuit the solar module strings
Remove the cover
Test the fuse holder at the terminals for continuity
NOTE! Only use fuses for solar modules that meet the proper requirements for
string fuses.
Fuse dimensions: Diameter 10 x 38 mm
Find out and rectify the cause of the defective fuse
Reattach the cover
Remove the short circuit of the solar module strings
Disconnect solar module strings from the Fronius String Control 100/12
Reestablish the connection to the AC supply lines using the inverter AC disconnector
2
89