Replacing The Dc Disconnector - Fronius Symo 3.0-3-S Serviceanleitung

Replacing the DC Removing the DC disconnector:
disconnector
Inserting the DC disconnector:
108
(1) (2)
(4) (3) (4) (5) (3) (4)
(4) (3) (4) (5) (3) (4)
WARNING! Observe the safety
rules (see the beginning of the
"Safety" section)
Remove the inverter from the wall bra-
1
cket (see "Opening and closing the de-
vice")
WARNING! Take safety precau-
tions. Observe the safety rules -
DC voltage present!
Disconnect the AC and DC leads from
2
the terminal block of the DC dis-
connector
Remove the retaining clip (1) and con-
3
trol switch with shaft (2)
Undo the two 4x20 TX20 screws (3)
4
and remove the strain relief clamp
Undo the four 4x9 TX20 screws (4) and
5
remove the DC disconnector
Remove the hidden fuse (5)
6
Reinsert the removed hidden fuse (5)
1
Insert the new DC disconnector and
2
secure it with four 4x9 TX20 screws (4)
[2 Nm]
NOTE! If the two PE contacts (5)
to the left of the terminal block are
not required, close them by torqu-
ing them to 1.6 Nm.
Fix the strain relief clamp using two
3
4x20 TX20 screws (3)
[3-4 turns]