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0006080304_201107
1 - Handwheel clamp screw
2 - Air damper control handwheel.
1
ST
flame air regulation.
3 - Lock nut
4 - Air control scew for 2
nd
flame
5 - Plug for access to screw regulating fuel pressure for the 1
st
flame
DETAIL FOR MODEL BT 17 - 35 SPN
N° BT 8605/1
USING THE BURNER
The burner operates on a fully automatic basis. Turning on the
main switch and control panel switch turns the burner ON. Burner
operation is governed by the controls described in “Description
of Operation”.
The “shutdown” position is a safety position to which the burner
sets itself automatically when some burner or system components
is operating improperly. It is therefore good practice to make sure
that there are no anomalies before “resetting” the burner. The
burner can stay in the shutdown position indefinitely.
Shutdowns may be caused by transitory faults (a little water in the
fuel, air bubbles in the piping etc.). In such cases the burner restarts
easily when reset. When, however, shutdowns occur repeatedly (3 -
4 times) do not attempt any more restarts; check there is fuel in the
tank and contact the local After-Sale Service to have the fault dealt
with properly. To reset the unit press the appropriate push-button.
MAINTENANCE
The burner requires no special maintenance. It is, however, good
practice, at least at the end of the heating season, to carry out the
following tasks:
1) Remove and wash the filters, the nozzle, the diffuser
disc and the ignition electrodes with solvents
(petrol, trichlorethylene, naphta). Do not use metallic objects
to clean the nozzle (use wood or plastic).
2) Clean the photoresistances.
3) Have the boiler cleaned and, if necessary, the flue.
N.B. The nozzle (or nozzles) must be replaced at least every two he-
ating seasons. This may be necessary even more frequently.
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