Fan Replacement; Burner Replacement - IDEAL HE15 Installation And Servicing

53 FAN REpLACEMENT

1. Refer to Frame 51.
2. Remove the boiler front panels and inner
sealing panel. Refer to Frames 44 and 45.
3. Unscrew the gas pipe union connection to
the injector housing.
4. Unscrew and remove the screw retaining
the fan mounting bracket.
5. Remove the fan and venturi assembly.
6. Disconnect the electrical leads from the
fan.
7. Remove the 3 screws and remove the
venturi assembly, noting the orientation of
the venturi in relation to the fan body.
8. Transfer the venturi assembly to the new
fan, replacing the gasket if evidence of
damage or deterioration is visible.
9. Fit the new fan / venturi assembly.
10. Reassemble the boiler in reverse order,
taking care not to over tighten the screw
on the fan mounting bracket.
11. Check the operation of the boiler. Refer to
Frame 51.

54 BURNER REpLACEMENT

1. Refer to Frame 51.
2. Remove the boiler front panels and inner
sealing panel. Refer to Frames 44 and 45.
3. Remove the fan assembly. Refer to Frame 53
(no's 3 to 6.)
4. Remove the 6 fixings securing the burner (the
3 screws at the rear are extended to ease
access).
5. Lift off the burner from the combustion
chamber.
6. Fit the new burner, replacing any damaged or
deteriorating sealing gasket.
7. Reassemble in reverse order.
8. Check the operation of the boiler. Refer to
Frame 51.
Note. Take care not to disturb the burner
ionisation probes at the front and rear of
the combustion chamber. (burner earth
pins are at the front only on the HE30 and
HE36)
36
Servicing
6
4
4
Orifice plate
7
Gasket
mxhe7748
hE24 shown
mexico HE -
Installation & Servicing
3
5
6
ionisation
probes