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PART IV: MAINTENANCE
Replacing the ignition electrode
To replace the ignition electrode, proceed as follows:
1
Remove the burner cover
2
Disconnect the electrode (E) cable (CE)
3
Remove the combustion head (see par. "Removing the combustion head")
4
Loose screw (B) that fasten the ignition electrode (E) to the burner pilot (P)
5
Remove the electrode and replace it, referring to the values quoted on figure
ATTENTION: avoid the electrode to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler operation
would be compromised. Check the electrode position after any intervention on the combustion head.
Seasonal stop
To stop the burner in the seasonal stop, proceed as follows:
1
turn the burner main switch to 0 (Off position)
2
disconnect the power mains
3
close the fuel valve 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 230V 50Hz 1 a.c./400V 50Hz 3N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
4 - Refer to the attached document "RECOMMENDATIONS FOR LMV5x CONNECTIONS"
Burner service term
- In o timal operating conditions, and with preventive maintenance, the burner can last up to 20 years.
- Upo expiry of the burner service term, it is necessary to carry out a technical diagnosis and, if necessary, an overall repair.
- he burner status is considered to be at its limit if it is technically impossible to continue using it due to non-compliance with safety
requirements or a decrease in performance.
- he owner makes the decision whether to finish using the burner, or replacing and disposing of it based on the actual state of the
appliance and any repair costs.
- Th use of the burner for other purposes after the expiry of the terms of use is strictly prohibited.
38
E
CE
B
P
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