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• The silicon seal on the front wall of the
combustion chamber Fig. 10.9 and the
seal on the air/gas pipe cover (Fig. 10.10)
must be replaced if worn.
Fig. 10.9
• The detection electrode R in Fig. 10.9 also
functions as a sensor for the correct drain-
age of the condensate.
Should the mentioned electrode come
into contact with the condensate water
present within the combustion chamber
it sends the boiler into safety lockout.
Therefore, should the insulation be wet or
deteriorated, provide for the substitution
of the same.
Remove any limescale from the
detection electrode and replace
it if worn.
Caution: After any periodical servicing
or disturbance the combustion chamber
silicon seal Fig. 10.9 and the Air-gas duct
gasket (Fig. 10.10) must be fully inspected
and replaced at the discretion of the service
engineer.
After any disturbance to the chamber door
seal the appliance must undergo a full ana-
lytical combustion performance check.
MAINTENANCE
R
Fig. 10.10
Fig. 10.11
If the condensate primary exchanger ele-
ments are dirty (notable only after removing
the burner body), brush them using a bristle
brush and remove the dirt using a suction
device.
The burner does not require any particular
maintenance, just remove dust using a bris-
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