Unit installation

will only fit to the correct motor terminals.
17.6 To remove the burner from the burner module.
 Remove the complete burner module as in section 17.5
 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.
 When replacing, make sure that the wiring loom runs above and to the right of the
battery box and behind the control valve (See figure 51). The motor lead connectors
are two different sizes. They will only fit to the correct motor terminals.
17.7 To remove the injector.
 Remove the complete burner module as in section 17.5
 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.
 When replacing, make sure that the wiring loom runs above and to the right of the
battery box and behind the control valve (See figure 51). The motor lead connectors
are two different sizes. They will only fit to the correct motor terminals.
17.8 To remove the pilot unit.
(See figure 52).
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 17.5
 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.
Page 43
© Baxi Heating U.K. Limited 2009.
INSTALLER GUIDE
Figure 52. Pilot fixings.