Remeha Selecta
60
Procedure:
1. Isolate the electrical power supply to the boiler.
2. Close the boiler gas isolation valve.
3. Remove the front casing cover by unscrewing the 2 screws and lifting the panel off
the top plate.
4. Remove the HT cable/cap from the ignition electrode (check and replace if nec-
esary).
5. Disconnect the earth wire from the ignition electrode.
6. Remove, clean and re-set or replace if necessary the ignition electrode and gasket.
7. Disconnect the electrical connection from the fan.
8. Loosen the union nut from the gas pipe on the bottom of the gas block.
9. Release and remove the 9 nuts on the front of the heat exchanger.
10. Remove the front plate from the heat exchanger complete with fan, venturi and
burner taking care not to damage the burner face.
Attention:
Check
the cord gasket between the front plate and the insulating plate
between the front plate and the heat exchanger. If either is damaged or hardened they
must be replaced.
11. Clean the heat exchanger with the cleaning tool (option - available fron Broag).
12. Clean burner assembly with small paint brush or low pressure compressed air.
13. Clean inspection glass.
14. Remove siphon, clean, refill with clean water and re-fit.
To inspect/clean the venturi, disconnect the venturi from the fan:
15. Remove the screws on the inlet side of the fan.
16. Using a soft brush, remove loose dust particles from the venturi and fan before
reassembling
it.
17. Refit all removed parts in reverse order replacing gaskets where found necessary.
18. Check for gas soundness.
19. Put the appliance back in service.
20. Fire up boiler and re-check the combustion and adjust as necessary (
see Par.
11.2.1 and 11.2.2
)
21. Complete commissioning report.
Содержание Selecta
Страница 61: ...61 Fig 30 Sensor resistance graph pdf...
