Table of Contents
Advertisement
page 28).
2 Remove the front insulation panel by sliding it forward (Figure
11.4).
3 Assemble the new front insulation carrying out the removal
operation in reverse order. When fitting the new panel ensure
that the electrodes holes coincide with the holes of the com-
bustion chamber.
Siliconic
gasket
Figure 11 .4
Caution:
After any periodical servicing or disturbance the combustion
chamber silicon seal (Figure 11.4) and the Air-gas duct gasket
(Figure 11.3) must be fully inspected and replaced at the discre-
tion of the service engineer.
After any disturbance to the chamber door seal the appiance
must undergo a full analytical combustion performance check.
11 .5 Removal of the burner
Warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent .
1 Remove the air box and the fan (see section "10.2 Removal
of the Air box and the Fan" on page 27).
2 Remove the Ignition and detection electrodes (see section
"11.2 Removal of the Ignition and detection electrodes" on
page 28).
3 Unscrew the screws "H" (Figure 11.1) and remove the cover
of the combustion chamber.
4 Remove the front insulation panel (see section "11.4 Remov-
al of the front insulation panel" on page 28).
5 Unscrew the screws "K" (Figure 11.5) and remove the burner.
6 Assemble the burner carrying out the removal operation in
reverse order. Ensure the burner is correctly located by lining
up the locating tab (Figure 11.5).
IGNITION AND DETECTION ELECTRODES
Combustion
chamber gasket
Front insulation
Burner
gasket
Figure 11 .5
Before reassembling ensure the burner gasket is correctly
located .
Warning: After cleaning or replacement as detailed
above, it is deemed necessary to undertake a com-
bustion analysis as detailed in section "8 .3 Adjust-
ment" on page 22) .
11 .6 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 "11.5 Removal of the burner" on
page 29 from step 1 to step 3.
2 Remove the insulation "L" by pulling it towards the boiler front
(Hung it with a screwdriver tip) (Figure 11.6).
L
Figure 11 .6
Locating tab
Burner
K
- 29 -
Advertisement
Table of Contents
