Unit P 24 kW P 28 kW Heating Characteristics Rated heat power kW 24 Heating seasonal efficiency class A A Heating seasonal efficiency (?s) 92% 93 Maximum heat power (50

30°C) (P4) kW 20 25,9 Minimum heat output (50

30°C) kW 6,6 7,7 Rated heat power efficiency (50

30°C) (?4) Rated heat power at 30% partial load (P1) kW 6.1 8 Efficiency at 30% partial load (?1) 97% 97.4% Heating temperature setting range °C 30

75 30

75 Expansion tank volume lt 8 8 Maximum working pressure bar 3 3 Hot Water Specifications Hot water load profile XL XL Hot water seasonal efficiency class A A Hot water efficiency 86% 85 Domestic water adjustment range °C 35

55 (35%)

55 Minimum water flow rate lt/min 1.7 1.7 Maximum hot water flow rate (?T=30°C) lt/min 11.5 13.4 Maximum hot water pressure bar 10 10 Minimum hot water pressure bar 0.3 0.3 Other Features Sound power dB(A) 50 53 Electrical supply 230V/50Hz 230V/50Hz Electrical protection class IPX5D IPX5D Standard flue size mm 60/100 60/100 Dimensions (hxgxd) mm 626x400x270 626x400x270 Net weight kg 25.6 26.5 NOx class 6 6 Annual electricity consumption kWh 46 43