87
Maintenance
Maintenance details
CAUTION:
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before carrying out maintenance or
repair works on the boiler.
Ventilator unit and burner cassette
(see illustration)
-
remove the fast clip on the venturi
(1) and the gas valve (2) and
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-
Disconnect the electrical
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Direction (B).
- Now lift the complete fan unit (7)
with the upper tray and remove it in
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