3.
The fascia is held in place by four retaining plates at
the back of the fascia. These slot into four retaining
brackets on the hotbox. To remove the fascia, hold the
sides of the fascia and lift upward and forward. The
fascia should lift clear of the hotbox. Do not lift too high
before pulling clear as the bottom of the fascia will foul
the control knob (See figure 29).
4.
Replace in the reverse order.
15.2 To remove the burner unit.
1.
Remove the fascia as in section 15.1.
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.
15.3 To remove the pilot unit.
1.
Remove the burner unit (See section 15.2).
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 30).
7.
Refit in the reverse order.
Note:
The pilot unit is an atmosphere sensing device. It must be replaced as a
whole assembly. Its individual components are not separately replaceable.
15.4 To remove the gas valve.
(See figure 31).
1.
Remove the burner unit (See section 15.2).
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.
Page 32
INSTALLER GUIDE
©
Baxi Heating U.K. Limited 2009
.
Figure 29. Fascia removal
Figure 30. Pilot unit removal