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

d
E
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 "Removal of the electric
actuator" page 19).
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.
- 20 -
ThREE WAy dIvERTER vALvE
C

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 "Removal of the elec-
tric actuator" page 19).
4 Remove the fixing spring I (Figure 8.6) and remove the pri-
mary circuit flow switch J.
J
I
figure 8.6
5 Disconnect d.h.w. temperature probe K.
L
figure 8.7
6 Unscrew the connector L (Figure 8.7), the c.h. flow connector
and the d.h.w. outlet connector.
7 Remove the d.h.w. heat exchanger (see "Removal" 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
m