100
000443BG-F
8 - Maintenance
Replacing the input fuses (version -FS)
Using fuses with inappropriate specications may irreparably damage the unit. Any conse-
quential damage to the inverter is not covered by the warranty.
In case of damage of one or more input fuses, the inverter (not being able to monitor the sta-
tus of fuses) will continue to export energy to the grid without signaling any alarm.
The input fuses
13
must be replaced when:
1. One or more input fuses have been damaged.
2. The fuses tted on the inverter are not appropriate for the emplo-
yed photovoltaic system.
The following table shows the specications of the replacement fuse.
Mechanical dimensions 10x38mm
Nominal voltage 1000Vdc
Nominal current 20A max.
Standard IEC60269-6
To replace the input fuses
13
follow the procedure below:
1. Disconnect the AC line by opening any external disconnect switches.
2. Disconnect the DC line by opening the disconnect switch
08
integrated
in the inverter
By only opening the integrated DC disconnect switch
08
in the inverter, the fuse board is still
maintained at the input voltage. Disconnect any external disconnect switches on the DC line
or obscure the photovoltaic panels, then disconnect the input quick t connectors.
3. Remove the inverter’s front panel by unscrewing the screws on the
panel with the Torx T20 wrench provided.
4. Use a multimeter to ensure that no voltage is present between the
positive and negative poles of the DC inputs.
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