Replacing The Power Board - Symops Dc - Fronius Symo Service Manual

Replacing the
power board -
SymoPS DC
Removing the SymoPS DC:
(2)
(3)
(4)
(3)
Inserting the SymoPS DC:
NOTE! The SymoPS DC power board from version V1.4A_B already has an in-
tegrated overvoltage function. If the SymoPS DC replacement PC board is ver-
sion V1.4A_B or higher, any existing OVP SYMPRI overvoltage PC board must
be removed.
(1) (1)
WARNING! Observe the safety
rules (see the beginning of the
"Safety" section)
Take the inverter out of the wall bra-
1
cket and open it (see "Opening and
closing the device" and necessary
„Replacing the Overvoltage PC board"
sections)
Disconnect all cables and plug connec-
2
tions (1) and thread them out
Undo the 13/15 4x9 TX20 screws (2)
3
Undo the four 4x9 TX20 screws (3) on
4
the solar modules
Insert the screwdriver into the "Remo-
5
ve Print" hole (4) and detach the Sym-
oPS DC from the heat sink in the
direction of the arrow
Remove the SymoPS DC
6
Remove any old PCM paste residues
7
from the heat sink using a clean cloth
NOTE! Ensure you remove all
PCM paste residues
NOTE! If you are returning the
SymoPS DC, the solar modules
must also be cleaned with a clean
cloth.
- Take the PCM film from the small
parts kit
- Position it on the solar modules
and smooth it out
- Ensure that all the protective film
is removed!
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