Operating Mode - elco VL 04.540 DP Notice D'emploi

Commissioning

Operating mode

THERMOSTATIC CUT-OFF
SAFETY UNIT TEST
AIR: - FUEL OIL:
START
AIR: - FUEL OIL:
PREVENTILATION: 20 s
AIR: - FUEL OIL: -
ELECTRODE FIR.
AIR: - FUEL OIL:
SAFETY
AIR: - FUEL OIL:
FLAME FAILURE
AIR: - FUEL OIL:
OPERATION
AIR: - FUEL OIL:
The burner is ready for operation
The boiler thermostat requests heat.
Burner start flowchart:
The burner starts with the following functional sequence:
- Air valve is forced open for preventilation. Air:...................................
- Fan motor on......................................................................................
- 20 second preventilation. : the remaining time is displayed...............
- The air throttle switches to the ignition position. Air: .................................
- Ignition on ..........................................................................................
- Valves on. ..........................................................................................
- 3-second safety delay.
- Flame formation. ................................................................................
Once the safety delay is over, the ignition transformer supply is cut off.
• During the stabilisation time, the burner remains in the ignition position.
The burner is operational and set according to the pre-set output range with the
display
Air only shows or
Fuel oil only shows or
07/2009 - Art. Nr. 4200 1023 3700A
or
en
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