Baxi Ecogen 24/1.0 Installation & Servicing Instructions Manual page 61

Fig. 61 & Fig. 62
14.10 Supplementary Burner/Heat Exchanger Insulation (Fig. 62)
1. Remove the electrode leads, noting their positions. Also remove the electrodes as described in section 14.2.
2. Undo the screws securing the manifold to the venturi and the nuts holding the burner door to the heat exchanger. Draw the assembly away from the heat exchanger.
3. Inspect and remove the burner door insulation.
4. Fit the new insulation carefully over the burner and align it with the slots for the electrodes.
5. Inspect the rear insulation, replace if cracked or broken. It is retained by a small screw and a large washer. Undo the screw carefully, remove the insulation and fit new
insulation. Clean any debris from the heat exchanger ­ preferably with a vacuum cleaner.
6. Examine the burner door seal and replace if necessary.
7. Reassemble in reverse order.
page 63
14.11 Central Heating Flow & Return Temperature Sensors (Figs. 63 & 64)
1. Disconnect the connections.
2. Remove the retaining screws
3. Fit new sensor and reassemble in the reverse order.
14.12 Overheat Thermostat (Fig. 63)
1. Pull the connectors off the thermostat.