Ideal Boilers Classic Combi FF 280 Installation And Servicing

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Classic Combi FF 280 - Installation 3Boiler size FF 280Gas supply connection Rc 1/2 (1/2 " BSP/t )Inlet connection Domestic Hot Water 15mm compression unionOutlet connection Domestic Hot Water 15mm compression unionFlow connection Central Heating 22mm compression unionReturn connection Central Heating 22mm compression unionSafety valve drain pipe connection 15mm copper (female)Flue terminal diameter mm (in.) 100 (4)Maximum working pressure (sealed systems) bar (psi) 2.5 (36.3)Maximum static water head m (ft.) 25 (82)Minimum static water head - open water systems m (ft.) 1.5 (5.0)Maximum domestic hot water inlet pressure bar (psi) 10.0 (145.0)Minimum domestic hot water inlet pressure bar (psi) 0.9 (13.1)Electrical supply 230 V ~ 50 HzMaximum power consumption 160WFuse rating External; 3A Internal; 2A (F)Water content Central Heating litre (gal.) 4.65 (1.0)Domestic Hot Water litre (gal.) 0.55 (0.12)Dry weight (total) kg (lb) 78.7 (173)Maximum installation weight kg (lb) Combi module - 11.4 (25.1)Boiler module - 52.6 (116)Boiler casing size Height mm (in.) 1045 (41 1/4 )Width mm (in.) 380 (15.0)Depth mm (in.) Top water connections - 300 (11 3/4 )Bottom water connections - 345 (13 1/2 )Table 1 - General DataGENERALNote. Gas consumption is calculated using a calorific value of 38.7 MJ/m 3 (1038 Btu/ft3)Domestic Hot Water MaximumBurner setting pressure (hot) mbar (in.w.g.) 16.0 (6.4)DHW output kW (Btu/h) 23.4 (80 000)DHW input kW (Btu/h) 29.3 (100 000)Gas consumption (hot) l/s (ft3/h) 0.76 (96.3)Domestic hot water flow rate at 35°C. temp. rise l/m (gpm) 9.6 (2.1)Table 3 - Performance Data - Domestic Hot WaterTable 2 - Performance Data - Central HeatingCentral Heating MaximumBurner setting pressure (hot) mbar (in.w.g.) 16.0 (6.4)Output kW (Btu/h) 23.4 (80 000)Input kW (Btu/h) 29.3 (100 000)Gas consumption (hot) l/s (ft3/h) 0.76 (96.3)