Check The Pressure Of The Heating Expansion Vessel - Biasi Inovia 25S ERP User Manual And Installation Instructions

Fig. 9.13
• The detection electrode R in Fig. 9.13 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.
Fig. 9.14
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-
MAINTENANCE
tle brush.
More specific maintenance will be valuated
and carried out by an Authorised Assistance
Centre Technician.
R
Caution: After any periodical servicing
or disturbance the combustion chamber
silicon seal Fig. 9.13 and the Air-gas duct
gasket (Fig. 9.15) must be fully inspected
and replaced at the discretion of the service
engineer.
After any disturbance to the chamber door
seal the appiance must undergo a full ana-
lytical combustion performance check.
Fig. 9.15
9.7
Drain the heating circuit as described in
section "Emptying the c.h. system" to page
Attention, to reassemble repeat
the operations carried out in re-
verse order. Be careful not to
damage the OR gasket of the
gas pipe when inserting the pipe
in Air box.
After any service operation on
the components of the gas cir-
cuit check all the connections
for gas leaks.
Check the pressure of the
heating expansion vessel
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