132
Opening Fro-
nius IG Plus
for Service/
Maintenance
Procedure for opening the Fronius IG Plus for service or maintenance:
1. Disconnect the AC and DC supply from the inverter
2. Open the connection area
3. Turn off DC main switch
4. Allow the capacitors to discharge (5 minutes)
5. Remove metal covers
6. Remove the plastic dividers
7. Remove string fuses
8. Disconnect DC wire
9. Disconnect AC wire
When operating the inverter in
extremely dusty environments:
Remove the fan cover and clean
the integrated fly screen as re-
quired
Operation in
Dusty Envi-
ronments
2
1
3
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