Riello Start

TECHNICAL DATA START ENERGY LABELLING SPECIFICATIONS (according to ErP regulations) uom 25 C 30 C 15 R ( * ) 25 R ( * ) Seasonal space heating energy efficiency class A A A A Water heating energy efficiency class A A - - Rated heat output pnominal kW 19 24 15 19 Seasonal space heating energy efficiency ŋ s % 93 93 93 93 USEFUL HEAT OUTPUT At rated heat output, high-temperature regime (**) P4 kW 19,4 24,4 14,5 19,4 At 30% of rated heat output and low-temperature regime (***) P1 kW 6,5 8,2 4,9 6,5 USEFUL EFFICIENCY At rated heat output and high-temperature regime (**) ŋ 4 % 87,3 87,6 87,1 87,3 At 30%of rated heat output and low-temperature regime (***) ŋ 1 % 98,5 98,2 98,7 98,5 AUXILIARY ELECTRICITY CONSUMPTION At full load elmax W 32 38 32 32 At part load elmin W 12 12 12 12 In Stand-by mode PSB W 3 3 3 3 OTHER PARAMETERS Stand-by heat losses Pstby W 30 30 30 30 Annual energy consumption QHE GJ 42 56 42 42 Sound power level, indoors LWA dB 50 53 50 50 NOx emissions NOx mg/kWh 22 22 22 22 FOR COMBINATION HEATERS Declared load profile XL XL - - DHW energy efficiency ŋwh % 84 84 - - Daily electricity consumption Qelec kWh 0,133 0,152 - - Daily fuel consumption Qfuel kWh 23,183 23,306 - - Annual electricity consumption AEC kWh 29 33 - - Annual fuel consumption AFC GJ 18 18 - - OTHER SPECIFICATIONS CH heat INPUT (max-min) kW 20,0 - 3,1 25,0 - 3,95 15,0 - 3,1 20,0 - 3,1 DHW heat nominal INPUT (max-min) kW 25,0 - 3,1 30,0 - 3,95 25,0 - 3,1 25,0 - 3,1 Power supply voltage V-Hz 230 - 50 230 - 50 230 - 50 230 - 50 Degree of protection IP IPX5D IPX5D IPX5D IPX5D NOx class 6 6 6 6 CH Max pressure-temperature bar-°C 3-90 3-90 3-90 3-90 Pump: max available head (flow rate 1000 l/h) mbar 408 408 408 408 Membrane expansion tank l 8 8 8 8 DHW Max pressure bar 8 8 - - DHW production at Δ T = 25°C / 30°C / 35°C l/min 14,3/11,9/10,2 17,2/14,3/12,3 - - DHW minimum flow rate l/min 2 2 - - HYDRAULIC AND GAS CONNECTIONS Inlet gas pressure (G20-G31) mbar 20-37 20-37 20 -37 20 -37 CH Flow - Return / Gas inlet Ø 3/4" 3/4'' 3/4'' 3/4'' DHW Inlet - Outlet / DHW tank Flow - Return Ø 1/2" 1/2'' 3/4'' 1/2'' DIMENSIONS, WEIGHT Boiler dimensions (HxWxD) mm 700x400x275 700x400x275 700x400x275 700x400x275 Net weight kg 28,5 30 27,5 29 FLUE OPTIONS AND LENGTHS Max length for concentric flue (Ø 60 -100mm) m 5,85 4,85 5,85 5,85 Max length for twin flue (Ø 80 + 80 mm) m 33+33 (A) 27+27 (B) 33+33 (A) 33+33 (A) (*) The ‘Only heating’ models are supplied with a three-ways valve. Filling tap is not available. (**) High-temperature regime means: 60°C Return and 80°C Flow of the boiler. (***) Low temperature regime means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature (at heater inlet). (A) Up to 52+52 via twin flue adapter with air inlet swelling position (available as an accessory) (B) Up to 45+45 via twin flue adapter with air inlet swelling position (available as an accessory)