17.1 Checking the aeration setting of the burner.
1.
The aeration shutter is factory set and should not require adjustment. If the shutter
is not as shown in figure 38 and requires adjustment, loosen the two aeration shutter
screws, slide the aeration shutter to the position shown in figure 38 and tighten the
fixing screws.
17.2 To remove the ignition microswitch.
(See figures 39 & 40).
‘Dream’ and ‘Heritage’ models.
1.
Remove the bottom front cover and the fire
front casting.
‘Opulent’ model.
1.
Remove the fascia as in section 17.4
2.
Disconnect the leads from the ignition
microswitch (The lower of the two microswitches
(See figure 39).
3.
Detach the microswitch and
insulation pad by removing two
screws.
4.
Replace in the reverse order. Check
that the microswitch operates correctly
by fully closing it and observing that
there are sparks at the pilot electrode.
17.3 To remove the gas shut-off
microswitch.
(See figures 39 & 40).
‘Dream’ and ‘Heritage’ models.
1.
Remove the bottom front cover
and the fire front casting.
‘Opulent’ model.
1.
Remove the fascia as in section 17.4
2.
Loosen the thermocouple nut to free the
microswitch leads and pull the leads clear of
the thermocouple interrupter block (See
figure 40).
3.
Detach the bridging bracket, microswitch
assembly by removing two screws (See
figure 39).
4.
Replace in the reverse order. When
refitting the leads to the interrupter block,
Page 40
©
Baxi Heating U.K. Limited 2009.
INSTALLER GUIDE
Figure 40. Thermocouple interrupter
block
Figure 39. Microswitches
Figure 38. Aeration shutter setting