Enertech Bentone BFG1, Installation And Maintenance Instruction

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36 Bentone BFG1
6.1.1 List of components
A1 Gas burner control S7
Huvudbrytare
A3 Valve, leak tester,
Dungs VPS504 (optional) S8
Lufttryckvakt
B1 Ionization electrode S9
Gas pressure switch
U2 UV-detector QRC (LME23...) S30
External reset (optional)
F1 Operating fuse T1
Ignition transformer
H1 Lamp, low capacity Y1
Gas solenoid valve 1
M1 Burner motor Y2
Gas solenoid valve 2
M2 Damper Motor STM6SF-L X3
Plug-in contact, burner
P1 Time meter, total operating
time X4
Plug-in contact, boiler
P2 Time meter, high capacity,
total operating time X5
Plug-in contact, stage 2,
burner
S3 Control thermostat X6
Plug-in contact, stage 2,
boiler
S4 Temperature limiter X17
Plug-in contact, burner
external reset (optional)
S6 Control thermostat, stage 2 X18
Plug-in contact, boiler
external reset (optional)
6.1.2 Function LME...
1. Operating switch ON-Thermostat ON-Gas pressure switch
ON
A check that the air pressure switch does not indicate fan pressure
is carried out
2. Burner motor starts
A check that the air pressure switch indicates sufficient fan pressure
is carried out
3. The ignition spark is created
4. The gas solenoid valve is open
The gas is ignited. The ionisation electrode now indicates a flame
5. The safety time expires
The ignition spark ceases. The safety period ceases. If the spark is
missing or it disappears after this time limit, the gas burner control is
blocked
6. Operating position
The burner is in operating position and can now change over to
full load if the operating switch and the thermostat for full load are
in positon ON. The burner can alternate between full and low load
depending on set temperature.
7. Stop
If the gas burner control is blocked
Red light in the gas burner control is lit. The burner is restarted by
pushing the reset button