16
Before performing adjustments, it is necessary to prime the fule pump accroding to the next procedure:
1
remove the burner cover;
2
remove the solenoid valve coil
B
on pump
P
(Fig. 10) to avoid the light oil to get into the combustion chamber;
3
start the burner up by means of the main switch and by means of the thermostats\pressure switches series;
4
r
remove the detection probe
FR
(Fig. 10) and light it up;
5
bleed the air from the
M
pressure gauge port of the pump (
P
), slightly loosing the cao and without removing it (Fig. 10);
Caution: The nozzle flow rate at 12bar must be higher than the flow rate referred to the burner minimum output.
Fig. 11
6
Turn the burner off;
7
replace the detection probe into its slot;
8
reconnect the
B
coil on the pump (Fig. 8);
9
turn the burner on; if it locks out, press the unlock pushbutton (
PS
- Fig. 12) placed in the burner upper side and repeat the proce-
dure.
10 The oil flow rate depends on the chosen nozzle .
FR
Fig. 10
P
B
VBS
M
B
B
M
PS
Fig. 12
