Ideal Boilers FF 330 Installation And Servicing

Also see for Classic FF 330: User guide

Ideal Boilers FF 330 Installation And Servicing Manual pdf 34 page image

34SERVICINGClassic Slimline FF - Installation & Servicing70 CASING SEAL REPLACEMENTexchanger by removing the M3 screws and plates.8. Slacken 3 turns only the 4 heat exchanger / inter-panelretaining screws.9. Lift the heat exchanger / inter-panel assembly upward andforward to disengage key hole fixings. Pull the assemblydownwards to clear the water pipes from the back panel.10. Remove the 2 rubber sealing grommets from the top of theback panel to facilitate fitting the new assembly.11. Fit the new heat exchanger assembly, complete with waterpipes, and hang it on the key hole slots and screws.Retighten the screws.12. Replace the 2 rubber sealing grommets.13. Reassemble in reverse order.14. Remake all water connections, ensuring that thecompression fittings (if used) are correctly refitted.15. Fully test all functions, including water and gas soundness.69 HEAT EXCHANGER REPLACEMENTNote.Refer to Frame 7 (Boiler assembly - Exploded view) forillustration of the procedure detailed below.1. Refer to Frame 56.2. Remove the burner / air box assembly. Refer to Frame 51.3. Drain the system.4. Disconnect the water connections. If compression fittings areused then cut the pipes both above and below the fittings inorder to allow the heat exchanger assembly to be removed.Remove the heat exchanger drain plug and drain the residualwater into a suitable receptacle.5. Remove the fan / collector hood assembly.Refer to Frame 52.6. Remove the combustion chamber by unscrewing the 4 tierods.7. Remove the thermostat sensors from the pockets on the heat1. Refer to Frame 56.2. Remove the old seal from the casing surroundand thoroughly clean the casing surfaces.3. Fit the new self adhesive seals.4. Replace the boiler casing.SERVICING