Replacing String Fuses - Fronius IG Plus 30 V-1 Operating Instructions Manual

Replacing String Fuses

Safety
Preparation
1
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.
1
AC
OFF
2
3
4
1
2
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