Removal Of The Tree Way Diverter Valve; Removal Of The Diverter Group - Biasi RIVA ADVANCE HE M110B.24SM/C Service Manual

d
b
figure 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 (section "Removal of the elec-
tric actuator" page 17).
4 Remove the fixing spring E (Figure 8.5)
5 Remove the tree way diverter valve F by levering with a
screwdriver in as shown in Figure 8.5.
figure 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 con-
tact with foods and approved by the local water au-
thorities .
warning: 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 figure 8 .5 .
- 18 -
Three way diverTer valve
c
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 (section "Removal of the elec-
tric actuator" page 17).
4 Remove the fixing spring H (Figure 8.6) and remove the pri-
mary circuit pressure switch I.
h
i
figure 8 .6
5 Disconnect d.h.w. temperature probe, respectively K (Figure
8.7).
k
figure 8 .7
6 Unscrew the connector I (Figure 8.6), the c.h. flow connector
and the d.h.w. outlet connector.
7 Remove the d.h.w. heat exchanger (section "Removal pump"
page 15).
8 Unscrew the screws 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 .
J