OPERATING DESCRIPTION
The burner operates fully automatically: it is activated by switching on
the main switch and the control panel switch.
Burner operation is managed by command and control electronic de
-
vices.
The “lock-out” position is a safety position that the burner automatically
assumes when a burner or system component is not working properly.
Make sure that there are no faults in the heating plant before re-activa
-
ting the burner by 'resetting it'.
The burner may stay in the lock position without any time limits.
To reset it, press the specific button (RESET).
Lock-outs may also be caused by temporary faults; in these cases if it
is reset, the burner will start up without any difficulties.
If lockings continue to occur (3-4 times), do not continue with the ope-
ration and, after having checked that the fuel arrives to the burner, ask
the intervention of the after-sales service in your area.
The cyclic relay equipment carries out the ignition program by starting
the fan motor for the pre-ventilation phase.
The burner remains in maximum supply position until the temperature
or pressure modulation probe reaches the value set for the boiler.
When the temperature or pressure in the boiler decreases, the modula
-
tion probe detects a variation in boiler load and automatically requests
the fuel and combustion air supply regulation to the servomotor.
With this procedure the burner changes the fuel and combustion air
supply according to the amount of heat required by the boiler.
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