116
Replacing PC board ground fuses
Replacing PC
board ground fus-
es
Open both cabinet doors
Remove right lower cover plate by re-
moving the TX 25 screws (1)
Remove fuse (3) and / or plastic slugs
and keep them for the new PC board
Disconnect lines (5) (flathead screwdri-
ver)
Remove TX 20 screws (4) and PC
board
Install new PC board and secure using
TX 20 screws (4) - 2.5 Nm
Reinsert all fuses from the old PC
board
Connect lines (5) - 1.5 Nm
Turn on the circuit breaker (2)
Install cover plate using TX 25 screws
(1) - 2.5 Nm
(1) (1)
WARNING! An electric shock can
be fatal. Danger from grid voltage
and DC voltage from solar mod-
ules.
Prior to all work on the inverter,
make sure that the AC and DC
wires are not charged.
1
2
(4)
(5)
(4)
(4)
(4)
(5)
(3)
CAUTION! Never install two con-
ductive fuses / slugs on the PC
board ground fuse - it can cause a
short circuit.
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