18.5 Removal Of The Rear Insulation; Removal Of The Front Insulation Panel - Biasi RIVA ADVANCE HE M110B.24SM/C Service Manual

3 Unscrew the screws J (Fig. 18.1 )and remove the
cover of the combustion chamber.
4 Unscrew the screws K (Fig. 18.1 ) and remove the
Air---gas duct lid.
5 Remove the burner by sliding it forward.
locating tab
Fig. 18.4
6 Assemble the burner carrying out the removal
operation in reverse order. Ensure the burner is
correctly located by lining up the locating tab
(Fig. 18.4).
Fig. 18.5
burner gasket
burner gasket
Air--- gas duct gasket
Ignition and detection electrodes
Before reassembling ensure the burner gasket is
correctly located.
Warning: After cleaning or replacement as
detailed above, if it deemed necessary to
undertake a combustion analysis, refer to
the appropriate chapter Maintenance of the
installation instructions manual.
18.4

Removal of the front insulation panel

See warning note at the end of this chapter before
to remove this part.
1 Remove the Ignition and detection electrodes
(see section 18.2).
2 Remove the burner (see section 18.3).
front insulation panel
3 Remove the
4 Assemble the new front insulation carrying out
the removal operation in reverse order.
When fitting the new panel ensure that the elec-
trodes holes coincide with the holes of the com-
bustion chamber.
front insulation
Fig. 18.6
The siliconic gasket (Fig. 18.6) must be replaced if
damaged or anyway every 2 years.
The front insulation (Fig. 18.6) must be replaced if
damaged or wet
18.5 Removal of the rear insulation
See warning note at the end of this chapter before
to remove this part.
Attention: Cover the inner of the condensing heat
exchanger to avoid that dirt and debris fall in the
coil.
1 Do the operations of section 18.3 from step 1 to
step 3.
2 Unscrew the screw L, remove the washer M and
the rear insulation N (Fig. 18.7).
(Fig. 18.6).
Siliconic gasket
39