Unit installation

17.5 To remove the burner from the burner module.
 Remove the complete burner module as in section 17.4.
 Support the injector elbow and unscrew the pipe nut from its base.
 The burner bracket is secured to the front cover by four screws. Remove these
screws.
 The burner and its bracket can now be lifted clear of the module.
 If replacing the burner unscrew the two nuts securing the burner bracket to the
burner. Remove the burner.
 Replace in the reverse order.
17.6 To remove the injector.
 Remove the complete burner module as in section 17.4
 Support the injector elbow and unscrew the pipe nut from its base.
 The burner bracket is secured to the front cover by four screws. Remove these
screws.
 The burner and its bracket can now be lifted clear of the module.
 Unscrew the injector from the burner.
 Replace in the reverse order.
17.7 To remove the pilot unit.
(See figure 38).
Note: The Pilot unit must be replaced as a
whole assembly. Its individual components are
not separately replaceable.
 Remove the complete burner module as in
section 17.4
 Remove the electrode lead at the pilot. Do
this by holding the lead as close to the
electrode as possible. This will limit the
possibility of damaging the lead connection.
 Unscrew the nut connecting the pilot to the
pilot pipe.
 Unscrew the thermocouple at the rear of the
gas valve.
 Unscrew the two screws securing the pilot to the module front.
 If the pilot gasket is damaged in any way it must be replaced.
 Replace in reverse order.
INSTALLER GUIDE
Figure 38. Pilot fixings.
© Baxi Heating U.K. Limited 2009.
Page 38