14Classic RS - Installation & ServicingINSTALLATIONTop cover plate Flue collector hoodWall mounting plateBoiler flue ductLIFT HERELIFT HERELIFT HERELIFT HEREClas 1999Flue AlignmentIt ismostimportantthat theboiler isinstalledin theverticalpositionThe wall must be of suitable load-bearing capacity1. Lift the boiler onto the wall mounting plate, entering theprojecting flue duct into the opening cut in the wall, andlowering the 2 slots in the boiler back panel onto the angledtabs on the top of the wall mounting plate.DO NOT USE THE BURNER ASSEMBLY FOR LIFTING.Do NOT use theburner assemblyfor lifting14 MOUNTING THE BOILERA. Air duct jointB. Flue duct jointFLUE TERMINAL SHOWN IN POSITION1. Remove the 2 securing screws (6) and separate theterminal grille (5), terminal flue duct (4) and terminal airduct (3).2. Smear sealant around outer the perimeter of the terminalair duct at the opposite end to the brackets and on themating face of the boiler air duct (use one sachet ofsealant).3. Push the terminal air duct fully in until the fixing bracketscontact the wall face.4. Make good between the wall and duct, from OUTSIDEof the building.5. From OUTSIDE of the building, pass the terminal flueduct through the wall opening and slide it over the boilerflue duct. Locate it as shown.6. Seal the flue duct joint (B) with the remaining sachet ofsealant provided.7. Fasten the terminal grille to the flue and air ducts, usingthe 2 securing screws (6) provided.5.Terminal grille.6.Terminal grille securing screwsLegend1.Boiler air duct.2.Boiler flue duct.3.Terminal air duct.4.Terminal flue duct.15 FITTING THE FLUE ASSEMBLYFLUE TERMINAL ASSEMBLY2. Adjust the flue to its horizontalposition by tilting the boiler forward atthe bottom then turning the jackingscrew. Release and check alignmentwith a spirit level. Secure the jackingscrew with a No.10 x 50 mm woodscrew.3. Fit the top cover plate in positionabove the boiler air duct with the 2No.10 x 50 mm screws provided.INSTALLATION