Removal Of The Tree Way Diverter Valve; Removal Of The Diverter Group - Biasi Activ A 25C Service Manual

Fig. 8.4
8.4

Removal of the tree 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 section 8.3).
Remove the fixing spring E (Fig. 8.5)
4
5 Remove the tree way diverter valve F by levering
with a screwdriver in as shown in Fig. 8.5.
Fig. 8.5
Reassemble the tree way diverter valve carrying out the
removal operations in the reverse order.
Warning: to lubricate the O-- ring gaskets
exclusively use a silicone base grease
compatible to be in contact with foods and
approved by the local water Authorities.
Attention. When reassembling the tree way diverter
valve be sure that the tree way diverter is correctly
oriented by matching the reference G with the notch
of the water group Fig. 8.5
C
B
D
F
G
E
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 (see section 8.3).
4 Remove the fixing spring H (Fig. 8.6) and remove
the primary circuit pressure switch I.
I
H
M
L
Fig. 8.6
5 Disconnect d.h.w. temperature probe, respect-
ively J (Fig. 8.7).
J
Fig. 8.7
6 Unscrew the connector K (Fig. 8.6), the c.h. flow
connector and the d.h.w. outlet connector.
7 Remove the d.h.w. heat exchanger (see section
6.2).
8 Remove the fork L and move away the pipe M
(Fig. 8.6).
9 Unscrew the screws N and remove the diverter
group (Fig. 8.6).
10 Reassemble the diverter group carrying out the
removal operations in the reverse order.
Warning: to lubricate the O-- ring gaskets
exclusively use a silicone base grease
compatible to be in contact with foods and
approved by the local water Authorities.
Three way diverter valve
N
K
17