Fronius MTG 2100 S, Service Manual

Page: 33 / 64

Replacing the transformer
Removing the
transformer
(2) (1) (1) (1) (2) (3) (4)
1
Open housing as described in section
"Opening the housing"
2
Unscrew the three TX25 screws (1)
from the secondary transformer leads
on the LSTMAG20 PC board
3
Unscrew the two TX25 screws (3)
from the primary transformer leads on
the LSTMAG20 PC board
4
Unscrew the 17 mm screw from the
transformer lead (3) on the current
socket
5
Disconnect the two flat connectors (4)
(5) (5)
6
Undo the two TX25 screws (5)
7
Remove the transformer
Fitting the trans-
former
(2) (2) (1)
1
Insert the transformer (1)
2
Fit the transformer (1) using two PT
5x14 mm TX25 screws (2)
Tightening torque = 2.1 Nm
33
EN