Removal Of The Three Way Diverter Valve; Removal Of The Diverter Group - Biasi Advance Plus 25C ERP Service Manual

D
C
Figure 8 .4

8 .4 Removal of the three way diverter valve

1 Remove the front and both side case panels.
2 Empty the primary circuit and the D.H.W. circuit of the boiler.
3 Remove the electric actuator (see "8.3 Removal of the elec-
tric actuator" on page 18).
4 Remove the fixing spring "F" (Figure 8.5)
5 Remove the three way diverter valve "G" by levering with a
screwdriver in as shown in Figure 8.5.
G
F
H
Figure 8 .5
Reassemble the three way diverter valve carrying out the remov-
al operations in the reverse order.
Warning: to lubricate the O-ring gaskets exclusively
use a silicone base grease compatible to be in con-
tact with foods and approved by the local water Au-
thorities .
Attention . When reassembling the three way diverter valve
be sure that the three way diverter is correctly oriented
by matching the reference "H" with the notch of the water
group Figure 8 .5 .

8 .5 Removal of the diverter group

1 Remove the front and both side case panels.
2 Empty the primary circuit and the D.H.W. circuit of the boiler.
3 Remove the electric actuator (section "8.3 Removal of the
electric actuator" on page 18).
4 Remove the fixing spring "I" (Figure 8.6) and remove the pri-
THREE WAY DIVERTER VALVE
E
mary circuit pressure switch "J".
J
I
Figure 8 .6
5 Disconnect D.H.W. temperature probe "K".
L
M
Figure 8 .7
6 Unscrew the connector "L" (Figure 8.7), the C.H. flow con-
nector and the D.H.W. outlet connector.
7 Remove the D.H.W. heat exchanger (see "6.2 Removal" on
page 16).
8 Unscrew the screw "M" and remove the diverter group.
9 Reassemble the diverter group carrying out the removal op-
erations in the reverse order.
Warning: to lubricate the O-ring gaskets exclusively
use a silicone base grease compatible to be in con-
tact with foods and approved by the local water Au-
thorities .
K
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