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Bentone B40 MF/B45-2 MF
For installers
E1P
Y1
I
N
Y1
1
L
V1
3. FUNCTION DESCRIPTION
3.1 B40 MF 1-stage burner
When the installation calls for heat, the burner's preheater starts to heat the
oil. Once the oil reaches the set temperature, the burner receives the signal
to start. Hot oil is flushed throughout the burner's oil system.
After the end of the blow period, the solenoid valve (Y1) receives voltage
and closes. The oil pressure builds up in the nozzle holder and the cut valve
(V1) opens. The oil is atomised in the nozzle and ignited. A small amount of
oil and the nozzle assembly compressed air flow is channelled back to the
return side of the pump through the leak oil line (L).
Once the installation has reached the desired temperature, a solenoid valve
(Y1) is rendered without power and then opened; cut valve (V1) is then
closed. This process extinguishes the burner flame. In the same process, oil
heating is also interrupted.
P Oil pump
E1 Preheater
I Nozzle assembly
L Leak pipe
N1 Nozzle 1
Y1 Solenoid valve 1 NO
V1 Cut valve
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