16.2 To remove the burner unit.
1.
Remove the fascia as in section 16.1.
2.
Remove the two screws to the side of the burner
unit.
3.
Support the inlet ‘T’ connector to avoid straining the
pipework and disconnect the appliance from the inlet ‘T’
connector.
4.
Detach the burner unit from the hotbox by lifting clear
5.
Replace in the reverse order.
16.3 To remove the pilot unit.
1.
Remove the burner unit (See section 16.2).
2.
If lying the burner on its back, ensure that the work
surface is suitably protected. This will avoid damage
to the work surface. Detach the pilot pipe from the
pilot unit.
3.
Detach the thermocouple from the gas valve.
4.
Detach the electrode lead from the underside of
the electrode tab.
6.
Remove the two screws securing the pilot unit
(See figure 29).
7.
Refit in the reverse order.
Note:
1.
The pilot unit is an atmosphere
sensing device. It must be replaced as a
whole assembly. Its individual components are not separately replaceable.
16.4 To remove the gas valve.
(See figure 30).
1.
Remove the burner unit (See
section 16.2).
2.
If lying the burner on its back,
ensure that the work surface is
suitably protected. This will avoid
damage to the work surface. Turn
the burner unit upside down.
Detach the thermocouple from
the tap.
3.
Detach the pilot pipe from the
tap.
4.
Detach the inlet pipe.
5.
Detach the injector pipe.
6.
Detach the electrode lead from
the base of the electrode.
Page 31
INSTALLER GUIDE
©
Baxi Heating U.K. Limited 2007.
Figure 29. Pilot unit removal
Figure 28. Fascia removal
Figure 30. Gas valve (Viewed from rear with
burner turned over)
