Replacing The 4K5 External Fan - Fronius Symo 3.0-3-S Serviceanleitung

Replacing the 4k5 Removing the External Fan:
External Fan
88
(4) (3) (4) (5) (3) (4)
(1) (2)
Refit the hidden fuse (5) removed pre-
1
viously
Insert the new DC disconnector and
2
mount using four 4x9 TX20 screws (4)
[2 Nm]
NOTE!
If the two left PE contacts (5) of the ter-
minal block are not required, tighten
these to 1.6 Nm.
Mount the strain-relief device using
3
two 4x20 TX20 screws (3)
[3–4 revolutions]
Insert the control switch and shaft (2)
3
and secure it with the retaining clip (1)
WARNING!
Take safety precautions.
Observe the safety rules – DC voltage
present!
Connect the AC and DC lines to the
5
terminal block of the DC disconnector
Place the inverter in the wall bracket
6
(see "Opening and Closing the
Device")