DESCRIPTION OF THE CONTROL PANEL OF THE BURNER
YEARLY INSPECTION
Periodic inspection of the burner (combustion head, electrodes, etc.) must be carried out by authorised personnel once
or twice a year, depending of use.
Before carrying out maintenance inspection on the burner, it is advisable to check its general condition and carry out
the following operations:
- Disconnect the burner from the power supply (remove the plug).
- Close the gas cock.
- Remove the burner cover, clean the fan and air intake.
- Clean the combustion head and check the position of the electrodes.
- Re-assemble the parts.
- Check the seal on the gas pipe fittings.
- Check the flue.
- Restart the burner.
- Check the combustion parameters (CO
BEFORE EACH INTERVENTION CHECK:
- That the system is supplied with power and the burner connected.
- That the gas pressure is correct and the gas cock open.
- That the control systems are correctly connected.
If all these conditions are present, start the burner by pressing the release button. Check the burner cycle.
THE BURNER WILL NOT START:
- Check the switch, thermostats, motor, gas pressure.
THE BURNER PREVENTILATES AND LOCKS AT THE END OF THE CYCLE:
- Check the air pressure and fan.
- Check the air pressure switch.
THE BURNER PREVENTILATES AND WILL NOT IGNITE:
- Check the assembly and position of electrodes.
- Check the ignition cable.
- Check the ignition transformer.
- Check the safety devices.
THE BURNER STARTS UP AND LOCKS AFTER THE SAFETY TIME LIMIT:
- Check that the phase and neutral wires are correctly connected.
- Check the gas electrovalves.
- Check the position of the detection electrode and its connection.
- Check the detection electrode.
- Check the safety devices.
THE BURNER STARTS UP AND LOCKS AFTER RUNNING FOR A FEW MINUTES:
- Check the pressure regulator and the gas filter.
- Check the gas pressure with an ammeter.
- Check the detection value (min 3 µA LGB22, 1,5µA DMG 972).
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I
0
MAINTENANCE
= 9.5 to 9.8),(O = less than 75 ppm).
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LB 472 Blu 1700.1÷2000.1 P AB B
1
1 - fuse
2
2 - termal lock-out lamp
3 - 1 st. stage working lamp
3
4 - 2 nd. stage working lamp
4
5 - high-low flame switch
5
6 - main switch I / O
7 - reset key
6