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© 2017 KOSTAL Solar Electric GmbH
Maintenance
Replacing AC/DC overvoltage protection
1.
De-energise the inverter Ch. 4.3
2.
Open the inverter.
3.
Replace overvoltage protection on the AC and/or
DC side.
The overvoltage protection is coded
(by means of a pin on the base and module base)
and cannot be inserted the other way round. Note
the coding at the plug-in positions.
Fig. 62: Installation positions for DC overvoltage protection
1
Overvoltage protection for DC side 4 x
2
Overvoltage protection for DC side 1 x
PE
Fig. 63: Installation positions for AC overvoltage protection
1
Overvoltage protection for AC side 3 x
H
Overvoltage protection installed
DANGER
RISK OF DEATH DUE TO ELECTRI-
CAL SHOCK AND DISCHARGE!
Always de-energise the device
during installation and before
maintenance and repairs, and
secure it against being switched
back on.
Ch. 4.3 Important! After de-ener-
gising the device, wait five minutes
for the capacitors to discharge.
INFO
Note the manufacturer's installation
and assembly instructions for the
overvoltage protection.
The following types are approved for
the overvoltage protection and can
be ordered from the KOSTAL online
shop:
DC side:
4 x MOD PV SCI 600 DG (10334450)
1 x MOD PV 600 (10334451)
AC side:
3 x MOD 275 (10324116)
Defective modules are shown in red
in the module's viewing window.
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