Baxi Megaflo System 15 HE Installation And Servicing Instructions page 36

Burner
7.5 ± 1
Electrode Position
Electrode
Leads
Fig. 66
Venturi
Gas Inlet Pipe
Fig. 65
36
© Baxi Heating UK Ltd 2007
Viewing Window
10 ± 1
Fan, Collector and Cover
Assembly
Injector
13.0 Servicing
13.1
7. Undo the nut on the gas inlet pipe to the venturi (Fig. 65)
and pull the sensing pipe off the fan.
8. Disconnect the electrode leads, noting their position, and
the fan electrical plugs (Fig. 66).
4 ± 0.5
9. Undo the four nuts retaining the combustion box cover
to the heat exchanger.
10. Carefully draw the fan, collector and cover assembly
forward, being careful to retain the injector in the venturi
(Figs. 65 & 66).
11. Clean any debris from the heat exchanger and check
that the gaps between the tubes are clear.
12. Inspect the burner, electrodes position and insulation,
cleaning or replacing if necessary. Clean any dirt or dust
from the air box.
13. Reassemble in reverse order.
NOTE: The sensing pipe must be reconnected to the
fan, not the venturi.
Annual Servicing (Cont)