Ambirad DR 90 Informazioni per l'utente, istruzioni per l'installazione e la manutenzione - Pagina 10
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Stampa la paginaReplacement of Electrode set
If electrodes are damaged, they must be replaced complete with holder.
1.
Switch OFF electrical supply and gas service cock
2.
Disconnect leads from electrodes.
3.
Remove electrode set from mounting bracket by unfastening the retaining screws.
4.
Replace with new electrode set.
5.
Re-assemble and re-commission the heater.
Replacement of Burner
If the ceramic plaques are damaged, it is necessary to replace the entire burner unit.
The procedure is as follows:
M6 screw and nut
Flash shield screws
1.
Remove screws which retain the flash shield to the burners.
2.
Remove the flash shield
3.
Remove the four 6 mm nuts and bolts which retain the burner unit to the heater frame
4.
Remove burner and replace
5.
Replace the flash shield
6.
Re-commission the heater
10
Retaining screws
Electrode set
Burner
Flash shield