Fronius Primo 208-240, Service Manual & Spare Parts List

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141
EN-US
IMPORTANT ! When installing the new PC
board, ensure that the heat transfer paste
on the modules (9) is not scratched or re-
moved.
Position the new PC board on the heat
sink
Screw the module onto the heat sink
with 4 x 4x9 mm TX20 screws (6).
Tightening torque = 0.5 Nm
Tighten the 4x 4x9 mm TX20 screws
(6) to 2.0 Nm.
Fix the PrimoPS PC board with 14 x
4x9 mm TX20 screws (5)
Tightening torque = 2 Nm.
Reattach all cables (2)–(4) to the Pri-
moPS.
(9)
3
(6)
NOTE! To avoid creating mechan-
ical stresses, the screws should
first be tightened to 0.5 Nm then
subsequently to 2.0 Nm.
4
5
(2) (3) (4) (5) (5) (5) (5) (5)
6
7