PART III: MAINTENANCE
32
Checking the detection current
If the burner locks, execute the following inpesctions. To measure the detection signals refer to the diagrams in the following picture. If
the signal is less than the value shown, check the position of the detection electrode, the electrical contacts and if necessary replace
the detection electrode.
Fig. 34
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner’s main switch to 0 (Off position)
2
disconnect the power mains
3
close the fuel cock of the supply line
Burner disposal
In case of disposal, follow the instructions according to the laws in force in your country about the “Disposal of materials”.
WIRING DIAGRAMS
Refer to the attached wiring diagrams.
WARNING
1 - Electrical supply 230 V 50Hz 1N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
Wiring diagram - Progressive burners:: SE18-069
Wiring diagram - Fully-modulating burners: SE18-166;
Connector
µA DC SCALE
2
Detection electrode
Flame
Control box
Minimum detection signal
Siemens LME21-22
3 µA
