Ideal Boilers Classic Combi FF 280 Installation And Servicing

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Classic Combi FF 280 - Installation6GENERAL2 BOILER DIMENSIONS / SERVICESFlue length Accessories Product no.Up to 600 B pack 1 off 111 492600 to 1800 B pack 1 off + D pack 1 off 111 492 +111 4931800 to 3000 B pack 1 off + D pack 2 off 111 492 +111 493, 2 offAll dimensions in mm (in.)It is MOST important that the boiler is installed in avertical position.3 DETERMINING THE FLUE LENGTHDimension X: Wall thickness (top water connections)orX plus 45mm (bottom water connections)Dimension Y: Wall thickness plus boiler spacingIMPORTANT. The direction of the water connections, i.e. tothe top or bottom of the boiler, must be decided BEFOREdetermining the flue length and position.FLUE KITSPack B: supplied as standard.Pack D: optional extension kit for side flue or rear flue outlet.Refer to 'Flue Extension Ducts'1. A maximum of 2 extension ducts (plus the standard flueduct) may be used together.2. Flue extensions of greater than 1m (39") should besupported with the bracket provided. If the stand-offbrackets have been used it is necessary, in order to keepthe flue aligned, to use the spacer bracket with thesupport bracket.Dimension Side Flue Rear FlueA 425mm 390mmB 25mm 5mmflue side both sides40mmnon-flue sideAdditional space willbe required forinstallation,depending upon siteconditions.Side Flue onlyProvided that the fluehole is cut accurately,e.g. with a core drill,The following minimum clearances must be maintained foroperation and servicing (see diagram).BOILER CLEARANCESthe flue can be installed from inside the building, up to 610mm(24") but, with flue lengths greater than the width of the boiler, thespace in which the boiler is to be installed must be at least equalto the flue length plus the length of the terminal grille.Installation from insideONLYIf a core boring tool is to beused inside the building thespace in which the boiler isto be installed must be atleast wide enough toaccommodate the tool.All installationsOnce the boiler has beeninstalled, the sideclearances may be reducedto 5mm.Front clearance; 450mm(17 3/4 ") from the front ofthe boiler casing. Minimumfront clearance when built into cupboard is 75mm (3")2. DHW outlet3. Safety valve drain4. CH return5. CH flowLEGEND1. DHW inlet