Ecoflam MAIOR P 150.1 AB HS Notice D'emploi page 8

EN
Function
­ General safety functions
Description of functions
When the system is switched on for the
first time, after a power failure or safety
shutdown, after a lack of fuel or after the
system has been out of operation for 24
hours, the pre-ventilation period of 25
seconds begins.
During pre­purge period:
- blower pressure is monitored.
- the combustion chamber is monitored for
flame signals.
At the end of the pre­purge period:
- ignition is switched on.
- main and safety valve are opened.
- burner starts.
Monitoring
The flame is monitored by an
photoresistor. The burner switches to lock-
out if it doesn't survey the light of the
flame.
Safety functions
- If no flame is produced when the burner
is started, the burner will be switched off at
the end of the safety period, lasting no
more than 5 seconds, and the oil valve will
close.
- If the flame goes out during operation,
the oil supply is interrupted within one
second. A restart takes place. Once the
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burner starts, operation is continued.
Otherwise, a safety lock-out occours.
- If there is a lack of air during
preventilation or operation, a safety lock-
out occours.
- If there is a lack of oil, the burner does
not begin operation or switches off.
In the event of controller shutdown
- Controller thermostat interrupts heat
request.
- Oil solenoid valves close.
- Flame goes out.
- Burner motor switches off.
- Burner is ready for operation.
101
HS
M
M1
102
106
104
Y1
103
T1
118
Y3
Y2
M1 Burner motor
HS Hydraulic system
T1 Trasformatore
Y1 Solenoid valve
Y2 Solenoid valve
Y3 Solenoid valve
101 Blower / Fan
102 Oil pump
103 Air damper
104 Oil pressure regulator
105 Hoses
106 Filter
118 Nozzle
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