Riello RLE

7 TECHNICAL FEATURES ENERGY LABELLING SPECIFICATIONS (according to ErP regulations) UoM 25 KIS 28 KIS Seasonal space heating energy efficiency class D → A +++ (1) A A Water heating energy efficiency class F → A + (2) A A Rated heat output pnominal kW 19 23 Seasonal space heating energy efficiency ŋ s % 92 92 USEFUL HEAT OUTPUT At rated heat output, high-temperature regime (*) P4 kW 19,3 22,8 At 30% of rated heat output and low-temperature regime (**) P1 kW 6,4 7,6 USEFUL EFFICIENCY At rated heat output and high-temperature regime (*) ŋ 4 % 87,1 87,3 At 30% of rated heat output and low-temperature regime (**) ŋ 1 % 93,5 96,7 AUXILIARY ELECTRICITY CONSUMPTION At full load elmax W 17 18 At partial load elmin W 11 12 In Stand-by mode PSB W 1,56 2,8 OTHER PARAMETERS Stand-by heat losses Pstby W 56,2 54,7 Annual energy consumption QHE GJ 38 42,7 Sound power level, indoors LWA dB 48 51 NOx emissions NOx mg/kWh 36,75 45,1 FOR COMBI BOILERS Declared load profile XL XL Water heating energy efficiency ŋ wh % 85 84 Daily electricity consumption Qelec kWh 0,218 0,216 Daily fuel consumption Qfuel kWh 22,8 23,1 Annual electricity consumption AEC kWh 48 47 Annual fuel consumption AFC GJ 17 17 OTHER SPECIFICATIONS CH Heat INPUT (max-min) kW 20,0 - 4,7 23,6 - 4,7 DHW heat nominal INPUT (max-min) kW 25,0 - 4,7 29,1 - 4,7 Power supply voltage V-Hz 230-50 230-50 Degree of protection IP IPX4D IPX4D NOx class 6 6 CH Max pressure-temperature bar-°C 3-91 3-91 Pump: max available head (flow rate 1000 l/h) mbar 246 246 Membrane expansion tank l 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 - Minimun DHW flow rate l/min 2 2 - GAS CONNECTIONS Inlet gas pressure (G20) mbar 20 20 CH Flow - Return / Gas inlet Ø 3/4'' 3/4'' DHW Inlet - Outlet / DHW tank Flow - Return Ø 1/2'' 1/2'' DIMENSIONS, WEIGHT Boiler dimensions (HxWxD) mm 700x400x300 700x400x300 Net weight kg 31 31 FLUE PIPES AND AIR INTAKE Max length for concentric flue (Ø60-100mm) m 9 9 Max length for twin flue (Ø80+80 mm) m 25 + 25 25 + 25 (1) The energy efficiency class range of this product category is from D up to A +++ . (2) The energy efficiency class range of this product category is from F up to A + . * High-temperature regime means: 60°C Return and 80°C Flow of the boiler. ** Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature (at heater inlet).