OPERATING DESCRIPTION
Switching on the main switch of the electrical switchboard and
if the thermostats are on, voltage reaches the control box which
then starts up the burner.
This turns on the fan motor for preventilation of the combustion
chamber.
The ignition transformer then comes on, and 2 seconds later the
diesel shut-off valve open.
The combustion air can be adjusted manually using the air dam-
per (see section “SWITCHING ON and REGULATION”).
The presence of the flame, detected by the control device, permi
-
ts continuation and completion of ignition, turning off the ignition
transformer.
If the flame is absent during operation, the control box repeats the
ignition cycle three times, which may be followed by a lock-out if
the flame is not detected.
The “safety lock-out” condition is indicated by the red LED under
the reset button.
To reset the control box from its safety position, keep the reset
button -9 of the control box pressed in for 1 second.
CAUTION / WARNING
For the burners fitted with a preheater, motor activation de
-
pends on the consent of the preheater thermostat.
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ENGLISH
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Summary of Contents for BTL 3
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