Cleaning - Biasi Activ A 12OV Service Manual

17 Loosen the connection Q and remove the pipe R
(Fig. 5.4) from the Condensing heat exchanger.
18 Unscrew the screws S .
19 Remove the fan---burner group.
M
Fig. 5.4
Unscrew the screws T and remove the plate U
20
(Fig. 5.5).
21 Remove the forks V and remove the condensate
trap W moving it downwards (Fig. 5.4).
Fig. 5.5
22 Loosen the screws X (Fig. 5.4 --- Fig. 5.2)
Unscrew the screws Y (Fig. 5.2).
23
24 Remove the Condensing heat exchanger slightly
move it upwards, turn it frontwards freeing it from
the below screws X (Fig. 5.4 --- Fig. 5.2) and then
extract it forwards.
V
25 Reassemble the Condensing heat exchanger
carrying out the removal operations in reverse
Q
order.
Ensure to tighten the screws S --- Fig. 5.2 firmly
X
5.3

Cleaning

R
If there are deposits of dirt between the fins of the Con-
W
densing heat exchanger, clean with a bristle paintbrush
and remove the dust with a hoover.
D
Warning: After cleaning or replacement as
detailed above, it is deemed necessary to
undertake a combustion analysis as detailed
in chapter 8.3 section 11.
U
T
Condensing heat exchanger
11