Riello Residence Aqua

7 (*) The energy efficiency class range of this product category is between D and A+++ (**) The energy efficiency class range of this product category is between F and A+ (***) High temperature regime: 60°C in return and 80°C in flow of the boiler. (****)Low temperature regime: for condensing boilers 30°C, for low temperature boilers 37°C, for other heating appliances 50°C return temperature. (A) With standard twin system or with adapter (B) Up to 33+33 m with compact twin flue gas system ENERGY LABEL SPECIFICATIONS (according with the ErP Directive) UoM RESIDENCE AQUA 25 BIS Seasonal heating energy efficiency class D → A+++ (*) A DHW Energy efficiency class F → A+ (**) A Rated heat output according to ErP pnominal pnominal kW 19 Seasonal heating energy efficiency ŋ s % 93 USEFUL HEAT OUTPUT At rated heat output and at high temperature regime (***) P4 kW 19,4 At 30% rated heat output and at low temperature regime (****) P1 kW 6,5 USEFUL EFFICIENCY At rated heat output and at high temperature regime (***) ŋ 4 % 87,3 At 30% rated heat output and at low temperature regime (****) ŋ1 % 98,5 AUXILIARY ELECTRICITY CONSUMPTION At full load elmax W 32 At partial load elmin W 12 In Stand-by mode PSB W 3 OTHER PARAMETERS Heat losses in stand-by mode Pstby W 30 Annual energy consumption QHE GJ 42 Sound power level, indoors LWA dB 50 NOx emissions NOx mg/kWh 22 FOR COMBI BOILERS - BOILER WITH DOSSERET Declared load profile XL Energy efficiency of DHW ŋ wh % 80 Daily electricity consumption Qelec kWh 0,286 Daily fuel consumption Qfuel kWh 24,268 Annual electricity consumption AEC kWh 63 Annual fuel consumption DCW GJ 18 OTHER TECHNICAL SPECIFICATIONS CH INPUT (max-min) kW 20 - 3,10 DHW Nominal INPUT (max-min) kW 25 - 3,10 Supply voltage-Frequency V-Hz 230-50 Degree of protection IP IPX5D NOx class 6 CH Maximum pressure-temperature bar - °C 3 - 90 Pump: maximum available head (at a flow rate of 1000 l/h) mbar 340 Membrane expansion vessel l 8 DHW Max pressure bar 8 DHW production at ΔT = 25°C / 30°C / 35°C l/min 14,3 / 11,9 / 10,2 Minimum DHW flow rate l/min 2 GAS, HYDRAULIC CONNECTIONS Gas pressure rating (G20-G31) mbar 20- 37 Heating inlet-outlet/Gas inlet Ø 3/4'' Domestic water inlet-outlet/Boiler flow-return Ø 1/2'' WEIGHT Net weight of boiler kg 31 Net weight of the cylinder kg 18,6 FLUE GAS PIPES AND AIR INTAKE Max length for concentric flues (Ø60-100 mm) m 5,85 Max length for twin flues (Ø80-80 mm) m 52+52 (A) (B) VALUES RELATED TO DHW PERFORMANCE WITH DHW TANK IN CASE OF DOSSERET KIT INSTALLATION DHW tank type Ø Stainless steel DHW tank layout Ø Vertical Heat exchanger layout Ø External plates Vnom, actual DHW content I 31 Domestic hot water temperature selection field °C 37-60 Amount of water withdrawal in 10' with minimum ΔT 30°C I 145 Maximum operating pressure of the boiler bar 10 Vbu, non-solar storage volume I 31 Specific flow rate according to EN13203-1 I/min 14,5 TECHNICAL DATA