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Maintenance
Burner
1
Clean the outside of the burner.
Flame inspection window
Clean the flame inspection window (Fig. 33).
D484
D10440
Fig. 34
Fig. 33
Boiler
Clean the boiler as indicated in its accompanying instructions in or-
der to maintain all the original combustion characteristics intact, es-
pecially the flue gas temperature and combustion chamber
pressure.
Combustion head
Open the burner and make sure that all components of the com-
bustion head are in good condition, not deformed by the high tem-
peratures, free of impurities from the surroundings and correctly
positioned.
UV flame sensor
Clean the glass cover from any dust that may have accumulated.
In order to reach the UV flame sensor, extract the sensor
1)(Fig. 34).
Burner
Check for excess wear or loose screws in the mechanisms con-
trolling the air damper and the gas butterfly valve.
Also make sure that the screws securing the electrical leads in the
burner connections are fully tightened.
Combustion
Adjust the burner if the combustion values found at the beginning
of the operation do not comply with the regulations in force, or do
not correspond to good combustion.
27
GB
20026767
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