Fronius IG Plus 100 V-1, Operating Instructions Manual

Page: 145 / 168

143
g
Maintenance
Safety
Operation in
Dusty Environ-
ments
When operating the inverter in extremely
dusty environments:
Remove the fan cover and clean the inte-
grated fly screen as required
Opening Fronius
IG Plus for Ser-
vice/Maintenance Procedure for opening the inverter for service or maintenance:
Disconnect AC and DC supply from the inverter
Open the connection area
Turn off DC main switch
Allow the capacitors to discharge (5 minutes)
Remove metal covers
If present, remove the fuse for the solar module ground
If present, remove string fuses
WARNING! An electric shock can be fatal. Danger due to grid voltage and DC
voltage from solar modules.
- The connection area should only be opened by a licensed electrician.
- The separate power stage set area should only be disconnected from the
connection area after first being disconnected from the grid power.
- The separate power stage set area should only be opened by Fronius-trained
service personnel.
Never work with live wires! Prior to all connection work, make sure that the AC
and DC wires are not charged.
The DC main switch is only used to switch off power to the power stage set. When
the DC main switch is turned off, the connection area is still energized.
WARNING! An electric shock can be fatal. Danger from residual voltage from ca-
pacitors.
You must wait until the capacitors have discharged. Discharge takes 5 minutes.
2
1
3
1
2
3
4
5
6
7