Ideal Boilers Classic FF 340 LF Installation And Servicing Manual

Also see for Classic FF 340 LF: User guide

16Classic FF 340 - 360 LF - Installation & ServicingINSTALLATIONREAR FLUE OUTLET15 CUTTING THE FLUE - wall thicknesses of 114 to 600mmNote.If the stand-off brackets are used it is essential that30mm is added to the measured wall thickness whenmarking the flue (to allow for the thickness of the brackets).1. Measure and note the wall thickness X.2. Mark the wall thickness onto the flue.3. To ensure the tube is cut square, mark the flue all theway round.4. Cut to length X, using the cardboard ring for support.5. Remove cardboard ring and remove any burrs.16 FITTING THE BOILER SEALING RING TO THE FLUE2. Drill 3 holes 3.2mm ( 1/8 ") dia. through the outer flue ductand boiler sealing ring. Do NOT drill the inner flueduct .3. Insert the self-tapping screws, provided, in order to fix theboiler sealing ring in position.1. Fit the boiler sealing ring inside the outer flue duct. Ensurethe boiler sealing ring is fully engaged.Ensure the notch aligns with the groove on the outer flueduct. This ensures correct alignment of the flue terminal.4. Stick the self-adhesivefoam strip, provided in thehardware pack, onto theflue immediately behindthe boiler sealing ring.18 WALL MOUNTING PLATE1. Fix the mounting plate to the wall with the No.14 x 50mm woodscrews.2. If downward routing of pipes is required then the downwardrouting pipe brackets and M8 spacer (supplied in the DownwardPiping Kit) should be fitted to the wall mounting plate now.3. Fit the bottom 2 screws to secure the bracket(s) to the wall,through the wall mounting plate.4. Check with a spirit level that the plate is vertical.17 FITTING THE FLUE ASSEMBLY1. Insert the flue extension tube into the flue assembly.2. Insert the flue assembly through the hole far enough to allowthe rubber seal to unfold completely and form an adequateseal on the outside wall.3. Ensure the notch is at the top. This will aid the location ofthe studs into the boiler back panel.1Cla 183123NOTCHNOTCH