Combustion Analysis Check; Cleaning The Condensing Heat Exchanger And Burner - Biasi M110B.24SM/C User Manual And Installation Instructions

Fig. 9.4
9.5

Combustion analysis check

If it is necessary to carry out a combustion analysis
remove the plugs indicated in Fig. 9.1.
Reference figures are given in the sections 4.3 or
4.4 of this manual .
If the analysis results are not within the reference
figures in the Service manual, section Gas valve ---
Adjustment.
9.6 Cleaning the condensing heat
exchanger and burner
M
D
F
H
Fig. 9.5
To remove the burner--- fan group D (Fig. 9.5):
1 Take off the front and side panels of the case.
2 Remove the sealed chamber lid.
3 Disconnect the connectors of the ignition elec-
trodes E and detection electrode F (Fig. 9.5).
26
Fig. 9.6 (right side of the fan)
4 Disconnect the rubber pipe G (Fig. 9.6).
5 Unscrew the gas connector H (Fig. 9.5).
6 Remove the fixing fork I and remove the gas
pipe J (Fig. 9.6).
M
E
Fig. 9.7 (rear view of the fan)
7 Disconnect the connector of the fan K by pres-
sing the plastic hook L placed on the rear side
of the connector (Fig. 9.7).
8 Remove the nuts M (Fig. 9.5) and the burner---
fan group D.
If you notice dirt on the coil of the condensing heat
exchanger (19 on page 14) brush out it with a
Maintenance
I
J
K
G
L
43