Classic Combi FF 280 - Installation 19INSTALLATION30 PRE-PIPING 31 PRE-WIRING29 FITTING THE SIDE OUTLET PLATESNote. If the boiler is fitted closer than 25mm to the side wallthe side outletplate must befitted now.1. Split the sideoutlet plateinto 2 downthe split line.2. Fit the 2halves of theside outletplate to thewall,ensuring thatthey arebehind theboilersealing ring.28 WALL MOUNTING PLATE1. Locate two No.14 x2" screws in thewall mounting platetop fixing holes andscrew home towithin 6mm (1/4")of the wall surface.2. Engage the plate(or plate and stand-off brackets) on thescrews.3. Locate six No.14 x2" screws in thelower fixing holesand drive home all8 screws.4. Check with a spiritlevel that the plateis vertical.SIDE FLUE OUTLETSecure the 2 stand-off brackets to the wall mounting plate,using the eight M6 nuts, screws and shakeproof washersprovided, so that the plate is located BEHIND the front returnsof the brackets, as shown.Note.If the clearances above and below the boiler are less than thelength of the pipes to be fitted behind the wall mounting platethen refer to Frame 16.IMPORTANT.To ensure earth continuity, securing screws MUST be fitted inthe top holes (marked with the symbol) with the shakeproofwashers positioned under the screw heads.Installations with bottom water connections only27 FITTING THE STAND-OFF BRACKETSIMPORTANT.For installations with bottom water connections onlyThe pipe runs shown in Frame 16 must be made before theboiler is mounted on the wall.For installations with both top and bottom water connectionsIf required, connection to the system pipework may now bemade before the boiler is mounted on the wall - proceed to'Water Connections', Frame 42.The mains supply and other external wiring may now bemade, if required, before the boiler and Combi modulesare mounted on the wall.Refer to Frames 46 to 49.