EN
Service
Maintenance
Burner and boiler servicing must only
be carried out by qualified personell.
The system operator is advised to take
out a service contract to guarantee
regular servicing.
Attention
• Disconnect the electrical supply before
carrying out any maintenance or
cleaning work.
• The blast tube and firing head may be
hot.
Checking the exhaust gas temperature
• Check the flue gas temperature at
regular intervals.
• Clean the boiler if the flue gas
14
temperature is more than 30°C above
the value measured at the time of
commissioning.
• To simplify the check, use a flue gas
temperature indicator.
Maintenance on the burner
• Check gas supply components (tubes,
lines) and their connections for leaks
or signs of wear, replace if necessary.
• Check electrical connections and
connection cables for damage,
replace if necessary.
• Check gas filter, clean or replace as
necessary.
• Clean fan wheel and housing and
check for damage.
• Check and clean the mixing unit.
• Check ignition electrodes block,
readjust or replace as necessary.
• Start burner, check flue gas data,
correct burner settings if necessary.
• Check the setting for air pressure
switch and gas pressostat.
• Check the gas train settings.
• Carry out an operating check.
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