Fronius Selectiva 2100 Service Manual page 118

118
(+)
(-)
(8) (7)
Before replacing the primary power
8
module, the primary rectifier should be
checked - the value of the diode path
must be between 200 mV and 800 mV
(L1)
(L2)
(L3)
Replacing the primary rectifier:
(8)
Undo the five 5x10 TX25 screws (7) on
1
the cable connections to the primary
rectifier
Undo the two 5x16 TX25 screws (8)
2
and remove the primary rectifier
Clean the cooling element, making
3
sure to remove all the heat transfer
medium residue
Remove the blister packaging from the
4
primary rectifier
NOTE! The PCM material of the
primary rectifier must not be
scratched or removed