Combustion Chamber Insulation Replacement - IDEAL HE15 Installation And Servicing

65 COMBUsTION ChAMBER INsULATION REpLACEMENT

INsULATION NOW sUppLIED As ONE pIECE WhICh Is FLExIBLE AND EAsy TO shApE AND INsTALL
Ideal Boilers recommends that, for your own comfort and safety and to
comply with good working practice, the procedure described below is
followed:
1. Refer to 'Replacement of Components' Frame.
2. Remove the boiler front and sealing panels. Refer to 'Boiler Front
Panel Removal' and 'Boiler Sealing Panel Removal' Frame.
3. Remove the fan / venturi assembly. Refer to 'Fan and Venturi
Assembly removal and cleaning' Frame.
4. Remove the burner. Refer to 'Burner removal and cleaning' Frame.
5. Remove the ignition electrode. Refer to 'Ignition Electrode
replacement' Frame.
6. Remove the flame detection electrode. Refer to 'Flame Detection
electrode replacement' Frame.
7. Remove the front and rear ionisation probes and discard.
Prior to removal of the board the following protective equipment should
be worn:
- Face mask supplied with the spare part.
- gloves supplied with the spare part.
8. Damp down the combustion chamber area containing the
insulation boards.
9. Remove the split pin and washer from the RHS of the combustion
chamber and discard.
10. Remove the insulation boards. The replacement one piece
insulation board is supplied in a plastic bag. This bag should be
retained and the discarded boards should now be placed into it.
Old Style Insulation
LH Side
10
Front
Combustion
chamber
6
5
mexico HE -
Installation & Servicing
Servicing
11. Sweep any dampened particles and place in the plastic bag.
12. Fit new insulation board -
(a) Locate and align the insulation with the electrode holes and
(b) Push the flexible material into the corners of the combustion
(c) Interlock the insulation piece along the back wall of the
(d) Again push the flexible material into the corners of the
(e) Secure the insulation by replacing the ionisation probes with
Note. The insulation is designed to be interlocking and should be fitted
as shown.
13. Remove the gloves and face mask and place them in the plastic
bag.
14. Wash your hands and any areas of skin which may have come into
contact with any of the particles from the insulation board.
Note. Seal the plastic bag and dispose of it and its contents into a
commercial tip.
15. Reassemble in reverse order.
16. Check operation of the boiler. Refer to 'General Checks' Frames.
New Style Insulation
9
Rear
7
RH Side
Combustion
(hE15, hE18 and hE24 only)
position the insulation into the combustion chamber.
chamber ensuring it is flat and flush against the combustion
chamber wall.
combustion chamber.
combustion chamber ensuring it is flat and flush against the
combustion chamber wall.
those supplied in the kit. Note that ionisation probes are a
serviceable component and require inspecting annually.
Insulation
chamber
Ionisation
Probes
esp9466
41