17
18.7
primary combustion air adjustment
To adjust the primary combustion air, turn the
screw as shown on the drawing by means of a 6
mm. Allen wrench. To increase the airflow, turn
it to the right and to decrease it, turn it to the
left.
18.8
combustion line adjustment
To adjust the combustion line, unscrew the combustion line blocking screw "BL". Turn the line
adjustment screw "RL" to the right to increase the airflow and to the left to decrease it. After the
adjustment has been made, screw the combustion line blocking screw "BL".
BL
RL
+
-
3 mm
0
1
18.9
correct positioning of ignition electrodes
To assure a good ignition of the burner Domestic, it is necessary to respect the measures shown in the
drawing. Besides, before mounting the flame tube again, make sure that the blocking screws of the
electrodes have been fixed.
2/3 mm
3 mm
18.10
oil pressure adjustment
To adjust the pressure of the oil pump, turn the screw (1) to the right in order to increase it and to the
left in order to decrease it.
10
0
Содержание SIRENA CAL HFD
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