6isar - Installation and ServicingGENERALEcl 6064CH FlowDHW OutletCondensate DrainGas Control CH ReturnCentreline ofboiler6343 49 49 57 66DHW Inlet390 (15 3/8 ")Flueterminal278 (11")5 ( 1/4 ")100 (4")*400 (15 3/4 ")5 (1/4 ")165(6 1/2 ")Inset: Water Connections and Gas ConnectionSee insetCLEARANCES BOILER DIMENSIONS687(27")2 BOILER DIMENSIONS, SERVICES & CLEARANCESall dimensions in mm (in)The boiler connections are made on the boiler piping frame.Refer to Frames 24-26.The following minimum clearances must be maintained foroperation and servicing.Additional space will be required for installation, dependingupon site conditions.Side and Rear Fluea Provided that the flue hole is cut accurately, e.g. with a coredrill, the flue can be installed from inside the building whereFront clearanceThe minimum front clearance when built in to a cupboard is5mm (1/4") from the cupboard door but 450mm (17 3/4")overall clearance is still required, with the cupboard door open,to allow for servicing.* Bottom clearanceBottom clearance after installation can be reduced to 5mm.However, 100mm must be available for servicing.wall thicknesses do not exceed 600mm (24"). Where thespace into which the boiler is going to be installed is lessthan the length of flue required the flue must be fitted fromthe outside.Installation from inside ONLYb. If a core boring tool is to be used inside the building thespace in which the boiler is to be installed must be at leastwide enough to accommodate the tool.REAR FLUE ONLYMIN. Top clearance required = 145 mm (5 3/4")SIDE FLUE ONLYHorizontal length of flue Top clearancefrom centre line of boiler required (MIN.)to outside wall Dim. A0.5 m 160 mm (6 5/16 ")1.0 m 170 mm (6 11/16 )1.5 m 185 mm (7 1 /4 ")2.0 m 200 mm ( 7 7/8 ")2.5 m 210 mm (8 1 /4 ")3.0 m 225 mm (8 7/8 ")3.5 m 265 mm (9 1/4 ")3.5 m 250 mm (10 5/8 ")4.5 m 260 mm (10 1/4 ")5.0 m 275 mm (10 13/16 ")5.5 m 290 mm (11 3/8")6.0 m 300 mm (11 13/16 ")